Documentation Code

jQuery Plugin: jKit

A very easy to use, cross platform jQuery UI toolkit that’s still small in size, has the features you need and doesn’t get in your way.

Put jQuery and jKit on all your pages and HTML becomes so much better. And the best thing? You really don’t have to be a programmer to create a trully amazing website!

jKit has 99% of all the features you ever need. You don’t have to check out dozens of plugins, learn how to use them, only to find out they don’t work in a specific browser.

And even if jKit doesn’t have that one feature you need right now, jKit is fully extendable with plugins and command replacements, all that and your API always stays the same.

  • (c) 2012/2013 by Fredi Bach
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License

jKit is open source and MIT licensed. For more informations read the license.txt file

Basic Usage

Inside your head tag or at the bottom of your page before the closing body tag:

<script src="js/jquery-1.9.1.min.js"></script>
<script src="js/jquery.easing.1.3.js"></script>
<script src="js/jquery.jkit.1.2.1.min.js"></script>
<script type="text/javascript">
    $(document).ready(function(){
        $('body').jKit();
    });
</script>

On your HTML elements:

<p data-jkit="[hide:delay=2000;speed=500]">
    Hidden after two seconds
</p>

The Source

Create our plugins local scope, make sure $ is mapped to jQuery and guarantee that undefined really is undefined.

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(function($, undefined) {

Create our main function with the following parameters:

  • element contains the DOM element where jKit is applied to
  • options is either a string with a single command name or a JavaScript object with all options or undefined
  • moreoptions is optionally used in case options contains the a command string and contains the options object
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    $.jKit = function(element, options, moreoptions) {

Define all plugin defaults. These can be overwritten by the plugins options set on init.

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        var defaults = {

First we set some general defaults:

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            prefix: 'jkit',
            dataAttribute: 'data-jkit',
            activeClass: 'active',
            errorClass: 'error',
            successClass: 'success',
            ignoreFocus: false,
            ignoreViewport: false,
            keyNavigation: true,
            touchNavigation: true,
            plugins: {},
            replacements: {},
            delimiter: ',',
            loadminified: true,
  codeblock: macros

Now we set some default macros for often used command/parameter combinations:

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            macros: {
                'hide-if-empty': 'binding:selector=this;source=text;mode=css.display',
                'smooth-blink': 'loop:speed1=2000;duration1=250;speed2=250;duration2=2000'
            },
  codeblock: /macros

Next we’re defining all the default options for each command. You can get a good overview of them on the official cheat sheet.

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            commands: {}
        };

Set an alias to this so that we can use it everywhere inside our plugin:

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        var plugin = this;

Create an object for the plugin settings:

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        plugin.settings = {};

Create an opject to store all jKit command implementations

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        plugin.commands = {};

Array to stor all command execution so that we can find out if something was already executed

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        plugin.executions = {};

And while were’re at it, cache the DOM element:

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        var $element = $(element),
            element = element;

In case we are just applying a single command, we need to take the options from the moreoptions parameter:

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        if (typeof options == 'string'){
            var singlecommand = options;
            if (moreoptions == undefined){
                moreoptions = {};
            }
            options = moreoptions;
        }

For a few things, we need some local plugin variables and objects, let’s set them now:

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        var startX, startY;
        var windowhasfocus = true;
        var uid = 0;
        var commandkeys = {};

We want to know if the current window is in focus or not, we can do this with the window object (just not in IE7 & 8):

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        if ($.support.htmlSerialize || $.support.opacity){
            $(window).focus(function() {
                windowhasfocus = true;
            }).blur(function() {
                windowhasfocus = false;
            });
        }

Plugin Functions

The following collection of functions are internally used. There is a way to call them with an external script, but you should know what you’re doing! Here’s an exmaple:

$('body').data('jKit').executeCommand('body', 'lightbox');

The above code would call the plugin.executeCommand() function.

init

The init function is called on plugin init and sets up all the stuff we need.

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        plugin.init = function($el){

In case this function is called without a specific DOM node, use the plugins main DOM element:

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            if ($el == undefined) $el = $element;

Extend the plugin defaults with the applied options:

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            plugin.settings = $.extend({}, defaults, options);
            var s = plugin.settings;
            if (singlecommand != undefined){

If this is an initialization of a single command, all we have to do is execute that one command:

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                plugin.executeCommand($el, singlecommand, options);
            } else {

It’s now time to find all DOM nodes that want to execute a jKit command. You can either use the data-jkit attribute, or the rel attribute. However, we strongly recommend to use the data-jkit attribute! The rel attribute support will probably removed at some point.

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                $el.find("*[rel^=jKit], *["+s.dataAttribute+"]").each( function(){
                    var that = this;

Get the rel or data-jkit attribute and extract all individual commands (they have to be inside square brackets):

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                    var rel = $(this).attr('rel');
                    var data = $(this).attr(s.dataAttribute);
                    if (data != undefined){
                        rel = $.trim(data).substring(1);
                    } else {
                        rel = $.trim(rel).substring(5);
                    }
                    rel = rel.substring(0, rel.length-1);
                    rel = rel.replace(/]s+[/g, "][");
                    relsplit = rel.split('][');

Now look at each command seperately:

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                    $.each( relsplit, function(index, value){

First convert all the escaped characters into internal jKit strings. Later we convert them back and unescape them.

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                        value = value
                                    .replace(/\=/g,'|jkit-eq|')
                                    .replace(/\:/g,'|jkit-dp|')
                                    .replace(/\;/g,'|jkit-sc|')
                                    .replace(/\[/g,'|jkit-sbo|')
                                    .replace(/\]/g,'|jkit-sbc|')
                                    .replace(/\*/g,'|jkit-st|')
                                    .replace(/\ /g,'|jkit-sp|');
                        value = $.trim(value);

Is this a macro call? Let’s check if we find a macro with this name:

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                        if (s.macros[value] != undefined) value = s.macros[value];

Now it’s time to parse the options:

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                        var options = plugin.parseOptions(value);

It’s still possible that this is a macro, just with changed options. Let’s check that and apply the macro if needed:

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                        if (s.macros[options.type] != undefined){
                            var macrooptions = plugin.parseOptions(s.macros[options.type]);
                            options.type = macrooptions.type;
                            options = $.extend({}, macrooptions, options);
                        }

If this is a macro definition, add the current command string to the macros array:

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                        if (options.type == 'macro' && relsplit[index-1] != undefined){
                            plugin.settings.macros[options.name] = relsplit[index-1];

If this is the special repeat command, parse the options and than add it to the delivered event handler:

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                        } else if (options.type == 'repeat' && relsplit[index-1] != undefined){
                            var prevoptions = plugin.parseOptions(relsplit[index-1]);
                            $el.on( options.onevent, function(){
                                if (options.delay == undefined) options.delay = 0;
                                setTimeout( function(){
                                    plugin.executeCommand($(that), prevoptions.type, prevoptions);
                                }, options.delay);
                            });
                        } else {

Looks like this isn’t one of the special use commands, so lets execute one of the regular ones.

If the targets option is set, we first have to find out to which target nodes we have to apply the command:

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                            var targets = [];
                            if (options.target != undefined){
                                var targetsplit = options.target.split('.');
                                targetsplit = [targetsplit.shift(), targetsplit.join('.')]
                                if (targetsplit[1] == undefined){
                                    targetsplit[1] = '*';
                                }
                                switch(targetsplit[0]){
                                    case 'children':
                                        $(that).children(targetsplit[1]).each( function(){
                                            targets.push(this);
                                        });
                                        break;
                                    case 'each':
                                        $(that).find(targetsplit[1]).each( function(){
                                            targets.push(this);
                                        });
                                        break;
                                    default:
                                        targets.push(that);
                                }
                            } else {
                                targets.push(that);
                            }
                            $.each( targets, function(i,v){

First parse all dynamic options. They are declared like this:

[command:myoption={rand|0-1000}]
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                                var thisoptions = plugin.parseDynamicOptions(options);

Now it’s time to find out what the command key is for this specific command call. This can be set either by the commandkey option, the dot syntax or if both are not set, we take the elements id attribute or as a last option, we just generate an unique id.

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                                if (thisoptions.commandkey == undefined){
                                    var id = $(that).attr("id");
                                    if (id != undefined){
                                        thisoptions.commandkey = id;
                                    } else {
                                        thisoptions.commandkey = s.prefix+'-uid-'+(++uid);
                                    }
                                }

Now as we have the commandkey, we store it in the plugins commandkey array together with some other useful information for later use:

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                                if (thisoptions.commandkey != undefined){
                                    commandkeys[thisoptions.commandkey] = {
                                        'el': v,
                                        'options': thisoptions,
                                        'execs': 0
                                    };
                                }

Next we need to check if we have to immediately execute the command or if we have to execute it later on a specific event:

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                                if (thisoptions.onevent !== undefined || thisoptions.andonevent !== undefined){
                                    var events = [];
                                    if (thisoptions.onevent !== undefined) events.push(thisoptions.onevent);
                                    if (thisoptions.andonevent !== undefined) events.push(thisoptions.andonevent);
                                    var e = events.join(' ');
                                    $el.on( e, function(){
                                        if (s.replacements[thisoptions.type] != undefined && typeof(s.replacements[thisoptions.type]) === "function"){
                                            s.replacements[thisoptions.type].call(plugin, v, thisoptions.type, thisoptions);
                                        } else {
                                            plugin.executeCommand(v, thisoptions.type, thisoptions);
                                        }
                                    });
                                }
                                if (thisoptions.onevent === undefined){

If this is a command that follows another command we need to make sure that the command before this one in the command chain has already been executed:

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                                    if (relsplit[index-1] != undefined){
                                        var prevcmd = '';
                                        if (relsplit[(index-1)] != undefined){
                                            var prevoptions = plugin.parseOptions(relsplit[index-1]);
                                            prevcmd = prevoptions.type + '.' + thisoptions.commandkey + '.executed';
                                        }
                                        if (prevcmd != '' && plugin.executions[prevoptions.type + '.' + thisoptions.commandkey + '.executed'] === undefined){
                                            $el.on( prevcmd, function(){
                                                if (s.replacements[thisoptions.type] != undefined && typeof(s.replacements[thisoptions.type]) === "function"){
                                                    s.replacements[thisoptions.type].call(plugin, v, thisoptions.type, thisoptions);
                                                } else {
                                                    plugin.executeCommand(v, thisoptions.type, thisoptions);
                                                }
                                            });
                                        } else {
                                            if (s.replacements[thisoptions.type] != undefined && typeof(s.replacements[thisoptions.type]) === "function"){
                                                s.replacements[thisoptions.type].call(plugin, v, thisoptions.type, thisoptions);
                                            } else {
                                                plugin.executeCommand(v, thisoptions.type, thisoptions);
                                            }
                                        }
                                    } else {

If we don’t have an event set, we execute it immediately. Wee need to check if a command replacement for this command is available and if yes, call it.

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                                        if (s.replacements[thisoptions.type] != undefined && typeof(s.replacements[thisoptions.type]) === "function"){
                                            s.replacements[thisoptions.type].call(plugin, v, thisoptions.type, thisoptions);
                                        } else {
                                            plugin.executeCommand(v, thisoptions.type, thisoptions);
                                        }
                                    }
                                }
                            });
                        }
                    });
                });
            }
        };

applyMacro

The applyMacro function lets us execute predefined macros.

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        plugin.applyMacro = function($el, macro){
            var s = plugin.settings;
            if (s.macros[macro] != undefined){
                var value = s.macros[macro];
                var options = plugin.parseOptions(value);
                if (s.replacements[options.type] != undefined && typeof(s.replacements[options.type]) === "function"){
                    s.replacements[options.type].call(plugin, $el, options.type, options);
                } else {
                    plugin.executeCommand($el, options.type, options);
                }
            }
        };

parseOptions

The parseOptions function takes a command string and creates an array out of it with all options. It automatically detects the command type and command key. An input string can look like this (optionally with additional spaces and newlines):

mycommand.mykey:firstoption=value1;secondoption=value2
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        plugin.parseOptions = function(string){
            var relsplit = string.split(':');
            var commandsplit = relsplit[0].split('.');
            var options = { 'type': $.trim(commandsplit[0]) };
            if (commandsplit[1] !== undefined){
                options['commandkey'] = commandsplit[1];
            }
            if (options.execute == undefined){
                options.execute = 'always';
            }
            if (relsplit.length > 1){
                var optionssplit = relsplit[1].split(';');
                $.each( optionssplit, function(key, value){
                    var optionssplit2 = value.split('=');
                    options[$.trim(optionssplit2[0])] = $.trim(optionssplit2[1]);
                });
            }
            return options;
        };

fixSpeed

The fixSpeed function is used to make sure that a speed option has a correct value, either “slow”, “fast” or an integer.

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        plugin.fixSpeed = function(speed){
            if (speed != 'fast' && speed != 'slow'){
                speed = parseInt(speed);
            }
            return speed;
        };

parseDynamicOptions

The parseDynamicOptions looks for dynamic options that look like this:

[command:myoption={rand|0-1000}]

Currently only the random options are supported, but more stuff is planned, like increase or decrease.

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        plugin.parseDynamicOptions = function(options){
            var parsedoptions = {};
            for (index in options){
                var v = options[index];
                if (v !== undefined && v.indexOf("{") > -1 && v.indexOf("|") > 0 && v.indexOf("}") > 1){
                    var option = '';
                    var dyn = false;
                    var dynstr = '';
                    var parse = false;
                    for (var i=0; i<=(v.length-1);i++){
                        if (!dyn && v.charAt(i) == '{'){
                            dyn = true;
                        } else if (dyn && v.charAt(i) == '}'){
                            dyn = false;
                            parse = true;
                        }
                        if (dyn || parse){
                            dynstr += v.charAt(i);
                            if (parse){
                                dynstr = dynstr.slice(1, -1);
                                var dynsplit = dynstr.split('|');
                                if (dynsplit[0] == 'rand'){
                                    var valsplit = dynsplit[1].split('-');
                                    option += plugin.getRandom(Number(valsplit[0]), Number(valsplit[1]));
                                }
                                parse = false;
                                dynstr = '';
                            }
                        } else {
                            option += v.charAt(i);
                        }
                    }
                    parsedoptions[index] = option;
                } else {
                    parsedoptions[index] = v;
                }
            }
            return parsedoptions;
        }

getRandom

The getRandom function simply generates a random number between a minimum number and a maximum number.

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        plugin.getRandom = function(min, max) {
            if(min > max) {
                return -1;
            }
            if(min == max) {
                return min;
            }
            var r;
            do {
                r = Math.random();
            }
            while(r == 1.0);
            return min + parseInt(r * (max-min+1));
        }

findElementTag

The findElementTag function makes it possible to find the tag name of a specific element in a previously defined structure. This makes it possible to write agnostic HTML for tab or similar structures. For example on the tab command, both this structures would be succesfully detected:

div (container)
    div (element)
        h3 (title)
        div (content)
ul (container)
    li (element)
        h2 (title)
        p (content)

Check the tab command to get an example of how to use the function.

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        plugin.findElementTag = function($container, selector, pos, defaultval){
            var output = '';
            if ( pos !== undefined && !isNaN(pos) && parseInt(pos) == pos ){
                if ($container.find(selector).length > pos){
                    output = $($container.find(selector).get(pos)).prop('tagName');
                }
            } else { 
                var tags = {};
                $container.find(selector).each( function(i){
                    if (i < 25){
                        var tag = $(this).prop('tagName');
                        if (tag[0] != ''){
                            if (tags[tag] !== undefined){
                                tags[tag]++;
                            } else {
                                tags[tag] = 1;
                            }
                        }
                    } else {
                        return false;
                    }
                });
                var max = 0;
                var maxkey = '';
                for (var key in tags){
                    if (tags[key] > max){
                        max = tags[key];
                        maxkey = key;
                    }
                }
                output = maxkey;
            }
            if (output !== undefined && output != ''){
                return output;
            } else {
                return defaultval;
            }
        };

addDefaults

The addDefaults function adds all the default options to the options array. Additionally all speed options are fixed if needed.

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        plugin.addDefaults = function(command, options){
            if (plugin.settings.commands[command] != undefined){
                var c = plugin.settings.commands[command];
                $.each(c, function(i, v){
                    if (options[i] == undefined) options[i] = v;
                    if (i.indexOf('speed') > -1) options[i] = plugin.fixSpeed(options[i]);
                });
            }
            return options;
        };

executeCommand

The executeCommand function is used to execute a command on a specific DOM node with an array of options.

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        plugin.executeCommand = function(that, type, options){

First create a few shortcuts:

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            var s = plugin.settings;
            var $that = $(that);

Create a temporary array in case this command isn’t already implemented or loaded. The array acts as a command queue that stores all executions of this command till the command is actually loaded.

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            if (plugin.commands[type] === undefined){
                plugin.commands[type] = [];
            }

As long as this plugin command is an array, we know that it isn’t loaded already, so load it!

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            if ($.isArray(plugin.commands[type])){

Craete an entry in the command queue with the current element and options:

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                plugin.commands[type].push({
                    'el': that,
                    'options': options
                });

We only have to start the ajax in case this was the first command in the queue:

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                if (s.loadminified){
                    var commandurl = 'jquery.jkit.commands/' + type + '.min.js';
                } else {
                    var commandurl = 'jquery.jkit.commands/' + type + '.js';
                }
                if (plugin.commands[type].length == 1){
                    $.ajax({
                        url: 'jquery.jkit.commands/' + type + '.js',
                        success: function(data){

The script loaded succesfully! Store the queue in a temporary array and than eval the loaded script. This way it will be loaded in the current scope and add itself to the plugin object. The jQuery.getScript method would load it globally, that’s of no use to us.

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                            if (data.indexOf('plugin.commands.') !== -1){
                                var queue = plugin.commands[type];
                                eval(data);

Now execute all commands in our queue:

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                                $.each(queue, function(i,v){
                                    plugin.executeCommand(v.el, type, v.options);
                                });
                            }
                        },
                        dataType: "text"
                    });
                }

We can stop this function now. It will be called again with the same options as soon as the command is loaded.

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                return $that;
            }

Everything below here will be executes if the command is loaded.

Trigger the jkit-commandinit event on the main element with all useful information attached to it. This event is currently not used internally, but can of course be listened to from outside the plugin.

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            $element.trigger('jkit-commandinit', { 'element': $that, 'type': type, 'options': options });

Check if there is a limit set on how many times we’re allowed to execute this command (based on the command key)

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            if (options.commandkey !== undefined){
                commandkeys[options.commandkey]['execs']++;
                if ((options.execute == 'once' && commandkeys[options.commandkey]['execs'] > 1) || (!isNaN(options.execute) && commandkeys[options.commandkey]['execs'] > options.execute)){
                    return $that;
                }
            }

Add all default options where there isn’t an option set:

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            options = plugin.addDefaults(type, options);
            $.each( options, function(i,v){

Convert jKit’s special escaping strings to their regular characters:

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                if (typeof v == 'string'){
                    options[i] = v = v
                        .replace(/|jkit-eq|/g,'=')
                        .replace(/|jkit-dp|/g,':')
                        .replace(/|jkit-sc|/g,';')
                        .replace(/|jkit-sbo|/g,'[')
                        .replace(/|jkit-sbc|/g,']')
                        .replace(/|jkit-st|/g,'*')
                        .replace(/|jkit-sp|/g,' ');
                }

Call or get all dynamic options (those with an asterix at the end):

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                if (typeof v == 'string' && v.slice(-1) == '*'){
                    options[i] = window[v.slice(0, -1)];
                    if (typeof options[i] == 'function'){
                        options[i] = options[i].call(that);
                    }
                }
            });

Execute the commands main function:

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            plugin.commands[ type ].execute($that, options);
            if (type != 'remove'){
                $element.trigger(type + '.' + options.commandkey + '.executed', {});
                plugin.executions[type + '.' + options.commandkey + '.executed'] = true;
            }
            return $that;
        };

triggerEvent

The triggerEvent function is used by various commands to trigger an event on an element with the commands options added to it:

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        plugin.triggerEvent = function(event, $el, options){
            if (options.commandkey !== undefined){
                var eventsplit = event.split(' ');
                $.each( eventsplit, function(i,v){
                    $element.trigger(options.commandkey+'.'+v, { 'element': $el, 'options': options });
                });
            }
        };

cssFromString

The cssFromString function is used by the animation command. It parses a specially formated string and creates an object that contains all CSS data. Here’s an exmaple of the string format:

width(50%),height(50px)
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        plugin.cssFromString = function(css){
            var partsplit = css.split(',');
            var cssdata = {};
            $.each( partsplit, function(i,v){
                var innersplit = v.split('(');
                if (innersplit.length == 2){
                    var property = innersplit[0];
                    var value = innersplit[1].slice(0,-1);
                    cssdata[property] = value;
                }
            });
            return cssdata;
        };
        plugin.addCommandDefaults = function(c, d){

Add the defaults:

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            defaults.commands[c] = d;

And trigger the loaded event for this command (command.name.loaded) so everyone knows that this command is ready:

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            $element.trigger('command.'+c+'.loaded', {});
        };

addKeypressEvents

The addKeypressEvents function is used by the key command and various other features and adds a specific keycode event to an element.

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        plugin.addKeypressEvents = function($el, code){

Check first if key navigations aren’t globally switched off:

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            if (plugin.settings.keyNavigation){

Listen to the documents keydown event:

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                $(document).keydown(function(e){

Only add the event if this isn’t a textaream, select or text input:

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                    if ( this !== e.target && (/textarea|select/i.test( e.target.nodeName ) || e.target.type === "text") ) return;

Map keycodes to their identifiers:

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                    var keys = {
                        8: "backspace",
                        9: "tab",
                        13: "return",
                        16: "shift",
                        17: "ctrl",
                        18: "alt",
                        19: "pause",
                        20: "capslock",
                        27: "esc",
                        32: "space",
                        33: "pageup",
                        34: "pagedown",
                        35: "end",
                        36: "home",
                        37: "left",
                        38: "up",
                        39: "right",
                        40: "down",
                        45: "insert",
                        46: "del",
                        96: "0",
                        97: "1",
                        98: "2",
                        99: "3",
                        100: "4",
                        101: "5",
                        102: "6",
                        103: "7",
                        104: "8",
                        105: "9",
                        106: "*",
                        107: "+",
                        109: "-",
                        110: ".",
                        111 : "/",
                        112: "f1",
                        113: "f2",
                        114: "f3",
                        115: "f4",
                        116: "f5",
                        117: "f6",
                        118: "f7",
                        119: "f8",
                        120: "f9",
                        121: "f10",
                        122: "f11",
                        123: "f12",
                        144: "numlock",
                        145: "scroll",
                        191: "/",
                        224: "meta"
                    };

Add the alphabet:

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                    for(var i=48; i<=90; i++){
                        keys[i] = String.fromCharCode(i).toLowerCase();
                    }
                    if ($.inArray(e.which, keys)){

Add special keys:

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                        var special = '';
                        if (e.altKey) special += 'alt+';
                        if (e.ctrlKey) special += 'ctrl+';
                        if (e.metaKey) special += 'meta+';
                        if (e.shiftKey) special += 'shift+';
                        var keycode = special+keys[e.which];

If the code matches, trigger the event:

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                        if (keycode == code){
                            $el.trigger(special+keys[e.which]);
                            e.preventDefault();
                        }
                    }
                });
            }
        }

jKit Commands

Below are all commands included in this version of jKit. All other commands will be autoloaded.

Init Command

The init command is a special internal command that inits a DOM node with jKit. It shares all the features of other commands, but is always included and a central part of jKit.

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        plugin.commands.init = (function(){
            var command = {};
            plugin.addCommandDefaults('init', {});
            command.execute = function($that, options){
                plugin.init($that);
                plugin.triggerEvent('complete', $that, options);
            };
            return command;
        }());
Encode Command

The encode command apply various encodings to the content of an element. If the option is code, the content is not only HTML encoded, it can even remove the extra tab whitespace you get if you have that content indented inside the code element.

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        plugin.commands.encode = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('encode', {
                'format':            'code',
                'fix':                 'yes'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                switch(options.format) {
                    case 'code':
                        var src = $that.html();
                        if (options.fix == 'yes'){
                            src = preFix(src);
                        }
                        $that.html(src.replace(/</g, '<').replace(/>/g, '>'));
                        break;
                    case 'text':
                        $that.html($that.text());
                        break;
                    case 'esc':
                        $that.html(escape($that.html()));
                        break;
                    case 'uri':
                        $that.html(encodeURI($that.html()));
                        break;
                }
            };
            var preFix = function(str){
                var lines = str.split("n");
                var min = 9999;
                $.each( lines, function(i,v){
                    if ($.trim(v) != ''){
                        var cnt = -1;
                        while(v.charAt(cnt+1) == "t"){
                            cnt++;
                        }
                        cnt++;
                        if (cnt < min){
                            min = cnt;
                        }
                    }
                });
                $.each( lines, function(i,v){
                    lines[i] = v.substr(min);
                });
                return lines.join("n");
            };
            return command;
        }());
Chart Command

The chart command let’s us create simple horizontal bar charts using different sized divs. This is definitely a good candidate for a command replacement using the canvas element to draw different charts.

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        plugin.commands.chart = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('chart', {
                'max':                0,
                'delaysteps':        100,
                'speed':            500,
                'easing':            'linear'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

First get the main label from the THEAD and the main element id:

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                var label = $that.find('thead > tr > th.label').text();
                var id = $that.attr('id');

Now get all data column labels from the THEAD

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                var datalabels = [];
                $that.find('thead > tr > th').each( function(){
                    if (!$(this).hasClass('label')){
                        datalabels.push( $(this).text() );
                    }
                });

And the last thing we need is all the data from the tbody:

  task: Why do we get the TH from TBODY? This should be TDs!
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                var max = 0;
                var plots = [];
                $that.find('tbody tr').each( function(){
                    var plot = { 'label': $(this).find('th.label').text(), 'data': [] };
                    $(this).find('th').each( function(){
                        if (!$(this).hasClass('label')){
                            var val = Number($(this).text());
                            max = Math.max(val, max);
                            plot.data.push(val);
                        }
                    });
                    plots.push(plot);
                });

Set the maximum value for our chart either from the options or from all the data values:

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                if (options.max > 0 && max < options.max){
                    max = options.max;
                }

Time to construct our chart element:

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                var $chart = $('<div/>', {
                    id: id,
                    'class': s.prefix+'-chart'
                });

Now loop through each data label and add the data from each plot to it. We are using a delay for each plot and increase that delay with each new data label. This way we get a nice animation where every plot is shown a little bit later.

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                var steps = 0;
                var delay = 0;
                $.each(datalabels, function(i,v){
                    steps++;
                    var $step = $('<div/>', { 'class': s.prefix+'-chart-step' }).html('<label>'+v+'</label>').appendTo($chart);
                    $.each( plots, function(i2,v2){
                        if (plots[i2].data[i] > 0){
                            var $plot = $('<div/>', { 'class': s.prefix+'-chart-plot '+s.prefix+'-chart-plot'+i2 }).appendTo($step);
                            $('<div/>')
                                .text(plots[i2].label)
                                .delay(delay)
                                .animate({ 'width': (plots[i2].data[i]/max*100)+'%' }, options.speed, options.easing)
                                .appendTo($plot);
                            $('<span/>', { 'class': s.prefix+'-chart-info' })
                                .text(label+' '+plots[i2].label+': '+plots[i2].data[i]+' '+options.units)
                                .appendTo($plot);
                        }
                    });
                    if (steps == datalabels.length){
                        setTimeout( function(){
                            plugin.triggerEvent('complete', $that, options);
                        }, options.speed+delay);
                    }
                    delay += Number(options.delaysteps);
                });

Evyerything is set up, so replace the original element with our new chart:

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                $that.replaceWith($chart);
            };

Add local functions and variables here …

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            return command;
        }());
Animation Command

The animation command has two uses. Either it can be used to animate the CSS of an element or it can be used to animated a kind of keyframe animation with attribute tweenings.

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        plugin.commands.animation = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('animation', {
                'fps':                25,
                'loop':                'no',
                'from':             '',
                'to':                 '',
                'speed':             '500',
                'easing':             'linear',
                'delay':            0,
                'on':                 ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

First check if this is a CSS animation:

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                if (options.to != ''){

If the from option is set, we first have to set the initial CSS:

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                    if (options.from != ''){
                        $that.css( plugin.cssFromString(options.from) );
                    }

use setTimeout to delay the animation, even if the delay is zero:

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                    setTimeout(function() {

Either add an event that starts the animation or start it right away:

  task: Dublicate code and the delay doesn’t make much sense with an event like this.
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                        if (options.on != ''){
                            $that.on( options.on, function(){
                                $that.animate( plugin.cssFromString(options.to), options.speed, options.easing, function(){
                                    if (options.macro != undefined) plugin.applyMacro($that, options.macro);
                                    plugin.triggerEvent('complete', $that, options);
                                });
                            });
                        } else {
                            $that.animate( plugin.cssFromString(options.to), options.speed, options.easing, function(){
                                if (options.macro != undefined) plugin.applyMacro($el, options.macro);
                                plugin.triggerEvent('complete', $that, options);
                            });
                        }
                    }, options.delay);
                } else {

This is a keyframe animation. Let’s first set some initial variables:

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                    options.interval = 1000 / options.fps;
                    var frames = [];
                    var pos = 0;
                    var lastframe = 0;

Loop through each keyframe and collect all the useful information we can find and parse the frame command that sets each frames options.

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                    $that.children().each( function(){
                        var rel = $(this).attr('rel');
                        var data = $(this).attr(s.dataAttribute);
                        if (data != undefined){
                            var start = data.indexOf('[');
                            var end = data.indexOf(']');
                            var optionstring = data.substring(start+1, end);
                        } else {
                            var start = rel.indexOf('[');
                            var end = rel.indexOf(']');
                            var optionstring = rel.substring(start+1, end);
                        }
                        var frame = plugin.parseOptions(optionstring);
                        frame.el = $(this);
                        if (frame.easing == undefined) frame.easing = 'linear';
                        frame.start = pos;
                        pos += parseInt(frame.steps);
                        frame.end = pos;
                        lastframe = pos;
                        pos++;
                        frames.push(frame);
                    });
                    options.lastframe = lastframe;
                    $that.css('overflow', 'hidden');

Replace the original elements content with the first frame only:

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                    $that.html(frames[0].el);

And now start the animation:

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                    window.setTimeout( function() { animation(frames, -1, $that, options); }, 0);
                }
            };
            var animation = function(frames, current, el, options){
                if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && (el.jKit_inViewport() || !el.jKit_inViewport() && plugin.settings.ignoreViewport)){
                    plugin.triggerEvent('showframe showframe'+(current+1), el, options);

Loop through each frame and run the frames action in case it matches the current frame number:

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                    $.each( frames, function(index, value){
                        if (value.start == current){

First add the new element by cloning it from the frames object and calculate the duration this frame is visible:

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                            el.html(value.el.clone());
                            var duration = (value.end - value.start) * options.interval;

Depending on the action that is set for this frame, we need to start different kind of animations:

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                            if (value.action == 'fadeout'){
                                el.children(":first").show().fadeTo(duration, 0, value.easing);
                            } else if (value.action == 'fadein'){
                                el.children(":first").hide().fadeTo(duration, 1, value.easing);
                            } else if (value.action == 'fadeinout'){
                                el.children(":first").hide().fadeTo(duration/2, 1, value.easing).fadeTo(duration/2, 0, value.easing);
                            } else if (value.action == 'tween'){
                                var next = frames[index+1].el;
                                el.children(":first").animate({
                                    'font-size': next.css('font-size'),
                                    'letter-spacing': next.css('letter-spacing'),
                                    'color': next.css('color'),
                                    'opacity': next.css('opacity'),
                                    'background-color': next.css('background-color'),
                                    'padding-top': next.css('padding-top'),
                                    'padding-bottom': next.css('padding-bottom'),
                                    'padding-left': next.css('padding-left'),
                                    'padding-right': next.css('padding-right')
                                }, duration, value.easing);
                            }
                        }
                    })

Move one step forward:

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                    current++;
                    var nextloop = false;
                    if (current > options.lastframe){
                        current = 0;
                        nextloop = true;
                    }

Is the animation finsihes or do we have to go to the next step?

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                    if ((nextloop && options.loop == "yes") || !nextloop){
                        window.setTimeout( function() { animation(frames, current, el, options); }, options.interval);
                    }

Some additional stuff to trigger in case the animation is finished:

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                    if (options.loop == "no"){
                        if (options.macro != undefined) plugin.applyMacro(el, options.macro);
                        plugin.triggerEvent('complete', el, options);
                    }
                } else {
                    window.setTimeout( function() { animation(frames, current, el, options); }, options.interval);
                }
            };
            return command;
        }());
Tooltip Command

The tooltip command displays additional information for an element on mouseover.

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        plugin.commands.tooltip = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('tooltip', {
                'text':                '',
                'color':            '#fff',
                'background':        '#000',
                'classname':        ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

Create the tooltip div if it doesn’t already exist:

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                if ($('div#'+s.prefix+'-tooltip').length == 0){
                    $('<div/>', {
                        id: s.prefix+'-tooltip'
                    }).hide().appendTo('body');
                }
                $tip = $('div#'+s.prefix+'-tooltip');

Display the tooltip on mouseenter:

1407
                $that.on('mouseenter', function(e){

Has this tooltip custom styling either by class or by supplying color values?

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                    if (options.classname != ''){
                        $tip.html(options.text).removeClass().css({ 'background': '', 'color': '' }).addClass(options.classname);
                    } else {
                        $tip.html(options.text).removeClass().css({ 'background': options.background, 'color': options.color });
                    }

Correctly position the tooltip based on the mouse position:

1419
                    $tip.css('top', (e.pageY+15-$(window).scrollTop())).css('left', e.pageX);

Fix the tooltip position so that we don’t get tooltips we can’t read because their outside the window:

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                    if ( parseInt($tip.css('left')) > $(window).width() / 2 ){
                        $tip.css('left', '0px').css('left', e.pageX - $tip.width());
                    }

Stop any possible previous animations and start fading it in:

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                    $tip.stop(true, true).fadeIn(200);
                    plugin.triggerEvent('open', $that, options);

Fade out the tooltip on mouseleave:

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                }).on('mouseleave click', function(e){
                    var speed = 200;
                    if ($tip.is(':animated')){
                        speed = 0;
                    }
                    $tip.stop(true, true).fadeOut(speed);
                    plugin.triggerEvent('closed', $that, options);
                });
            };
            return command;
        }());
Show Command

The show command is used to reveal an element, animated or not.

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        plugin.commands.show = (function(){

Create an object that contains all of our data and functionality.

1465
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('show', {
                'delay':            0,
                'speed':            500,
                'animation':        'fade',
                'easing':            'linear'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                $that.hide().jKit_effect(true, options.animation, options.speed, options.easing, options.delay, function(){
                    plugin.triggerEvent('complete', $that, options);
                });
            };
            return command;
        }());
Swap Command

The swap command replaces a DOM node attribute, for example an image, with another value on hover.

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        plugin.commands.swap = (function(){

Create an object that contains all of our data and functionality.

1500
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('swap', {
                'versions':         '_off,_on',
                'attribute':         'src'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;
                var versions = options.versions.split(s.delimiter);
                var active = false;

We have to store the original attributes value to swap the attribute back on mouseleave:

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                var original = $that.attr(options.attribute);
                var replacement = $that.attr(options.attribute).replace(versions[0],versions[1]);

In case the attribute is an image source, we have to preload the image or the swapping could have a delay:

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                if (options.attribute == 'src'){
                    $('<img/>')[0].src = replacement;
                }

Finally, add the two event handlers with the swapping code:

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                $that.on( 'mouseenter click', function(){
                    if (!active){
                        $that.attr(options.attribute, replacement );
                        plugin.triggerEvent('active', $that, options);
                        active = true;
                    }
                }).on( 'mouseleave click', function(){
                    if (active){
                        $that.attr(options.attribute, original );
                        plugin.triggerEvent('inactive', $that, options);
                        active = false;
                    }
                });
            };
            return command;
        }());
Limit Command

The limit command either limts the characters of a string or the elements inside a container by a set number.

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        plugin.commands.limit = (function(){

Create an object that contains all of our data and functionality.

1561
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('limit', {
                'elements':            'children',
                'count':            5,
                'animation':        'none',
                'speed':            250,
                'easing':            'linear',
                'endstring':        '...'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){

Limit the number of elements. Set speed to zero if you want to hide them immediately or use an animation:

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                if (options.elements == 'children'){
                    $that.children(':gt('+(options.count-1)+')').each(function(){
                        $(this).jKit_effect(false, options.animation, options.speed, options.easing);
                    });
                    setTimeout( function(){
                        plugin.triggerEvent('complete', $that, options);
                    }, options.speed);

Limit the number of characters in a string:

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                } else {
                    var newtext = $that.text().substr(0,options.count);

Add an endstring if needed:

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                    if (newtext != $that.text()){
                        newtext = newtext.substr(0,newtext.length-options.endstring.length)+options.endstring;
                        $that.text(newtext);
                    }
                }
            };
            return command;
        }());
Lorem Command

The lorem command adds lorem ipsum text or paragraphs to your element, very usefull for “work in progress” projects.

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        plugin.commands.lorem = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('lorem', {
                'paragraphs':        0,
                'length':            '',
                'random':            'no'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){

The lorem ipsum text:

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                var lorem = [
                    'Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.',
                    'Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.',
                    'Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.',
                    'Nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id quod mazim placerat facer possim assum. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.',
                    'Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis.',
                    'At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, At accusam aliquyam diam diam dolore dolores duo eirmod eos erat, et nonumy sed tempor et et invidunt justo labore Stet clita ea et gubergren, kasd magna no rebum. sanctus sea sed takimata ut vero voluptua. est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.',
                    'Consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.'
                ];
                var text = '';

Randomize the paragraphs first?

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                if (options.random == "yes"){
                    lorem = $.fn.jKit_arrayShuffle(lorem);
                }

Add a specific number of paragraphs:

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                if (options.paragraphs > 0){
                    for ( var i=1; i<=options.paragraphs; i++ ) {
                        text += '<p>'+lorem[(i-1)%7]+'</p>';
                    }

Or add a specific number of characters:

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                } else {
                    if (options.length != undefined && options.length != ''){
                        var i=1;
                        while(text.length < options.length-1){
                            text += lorem[(i-1)%7]+' ';
                            text = text.substring(0, options.length-1);
                            i++;
                        }
                    } else {
                        text = lorem[0];
                    }
                }
                $that.html(text);
            };
            return command;
        }());
Plugin Command

The plugin command makes it possible to add jQuery plugins that can be used the same way as jKit commands.

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        plugin.commands.plugin = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('plugin', {
                'script':             ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

First check if this is a plugin we registered on plugin init:

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                if (s.plugins[options.script] != undefined){
                    options.functioncall = s.plugins[options.script]['fn'];
                    if (s.plugins[options.script]['option'] != undefined){
                        options.option = s.plugins[options.script]['option'];
                    }
                    options.script = s.plugins[options.script]['path'];
                }

Temporarly enable ajax caching:

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                $.ajaxSetup({ cache: true });
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                if (options.script != undefined){

Load the script from the server:

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                    $.getScript(options.script, function() {

The plugin has loaded, now all we need to do is correctly initialize it by calling the correct function name with the correct set of parameters:

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                        if (options.option != undefined){
                            $that[ options.functioncall ]( options[options.option] );
                        } else {
                            delete(options.type);
                            delete(options.script);
                            $that[ options.functioncall ]( options );
                        }
                        plugin.triggerEvent('complete', $that, options);
                    });
                }

Stop ajax caching again:

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                $.ajaxSetup({ cache: false });
            };
            return command;
        }());
Split Command

The split command can take a string, for example a comma separeted one, and create new HTML elements out of the individual parts. This way a simple comma separated list can be transformed into an unordered list.

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        plugin.commands.split = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('split', {
                'separator':         '',
                'container':         'span',
                'before':            '',
                'after':            ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var parts = $that.text().split(options.separator);
                $that.html('');
                $.each( parts, function(i,v){
                    $('<'+options.container+'/>').text(v).appendTo($that);
                });
                $that.html(options.before+$that.html()+options.after);
            };
            return command;
        }());
Random Command

The random command can be used to randomly select a specific amount of elements from a collection of elements. All not selected ones will either be hidden or completely removed from the DOM.

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        plugin.commands.random = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('random', {
                'count':             1,
                'remove':             'yes'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var childs = $that.children().size();
                var shownrs = [];

Create an array of index numbers of our randomly selected elements:

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                while(shownrs.length < options.count){
                    var shownr = Math.floor(Math.random() * childs);
                    if ($.inArray(shownr, shownrs) == -1){
                        shownrs.push(shownr);
                    }
                }

Now loop through all elements and only show those we just slected:

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                var i = 0;
                $that.children().each( function(){
                    if ($.inArray(i, shownrs) == -1){
                        if (options.remove == 'yes'){
                            $(this).remove();
                        } else {
                            $(this).hide();
                        }
                    } else {
                        $(this).show();
                    }
                    i++;
                });
            };
            return command;
        }());
Command Template

This is a template for commands. It should be used as a starting point to create new commands.

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        plugin.commands.api = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('api', {
                'format':             'json',
                'value':             '',
                'url':                 '',
                'interval':         -1,
                'template':         ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                if (options.url != ''){
                    readAPI($that, options);
                }
            };
            var readAPI = function($el, options){
                if (options.format == 'json'){

Create an ajax jsonp request:

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                    $.ajax({
                        type: "GET",
                        url: options.url,
                        contentType: "application/json; charset=utf-8",
                        dataType: "jsonp",
                        error: function(){
                            plugin.triggerEvent('error', $el, options);
                        },
                        success: function(data) {

If a template is supplied in the options, use it to display the data we just received:

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                            if (options.template != '' && plugin.commands.template !== undefined){

First we add the template HTML to our element:

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                                $el.html(plugin.commands.template.templates[options.template].template.clone().show());

Than we add the data to each element that has the data-jkit-api attribute:

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                                $el.find('[data-jkit-api]').each(function(){
                                    var value = $(this).attr('data-jkit-api');
                                    try {
                                        $(this).text(eval('data.'+value.replace(/[^a-zA-Z0-9.[]_]+/g, '')));
                                    } catch(err) { }
                                });

And lastly, we remove all elements that have the data-jkit-api-if attribute, but didn’t get a value from the API:

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                                $el.find('[data-jkit-api-if]').each(function(){
                                    var value = $(this).attr('data-jkit-api-if');
                                    var test = undefined;
                                    try {
                                        eval('test = data.'+value.replace(/[^a-zA-Z0-9.[]_]+/g, ''));
                                    } catch(err) { }
                                    if (test == undefined){
                                        $(this).remove();
                                    }
                                });

In case we don’t use a template, just add the specified value as text to the element:

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                            } else {
                                if (options.value != ''){
                                    try {
                                        $el.text(eval('data.'+options.value.replace(/[^a-zA-Z0-9.[]_]+/g, '')));
                                    } catch(err) { }
                                } else {
                                    $el.text(data);
                                }
                            }

Trigger some stuff now as everythimng is set up:

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                            if (options.macro != undefined) plugin.applyMacro($el, options.macro);
                            plugin.triggerEvent('complete', $el, options);

Do we have to read the API in a specific interval? If yes, set a timeout:

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                            if (options.interval > -1){
                                setTimeout( function(){
                                    readAPI($el, options);
                                }, options.interval*1000);
                            }
                        }
                    });
                }
            };
            return command;
        }());
Replace Command

The replace command makes it possible to replace content based on a regex pattern. It acts on the HTML level, so not only text is replacable!

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        plugin.commands.replace = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('replace', {
                'modifier':         'g',
                'search':             '',
                'replacement':         ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var str = new RegExp(options.search, options.modifier);
                $that.html($that.html().replace(str,options.replacement));
            };
            return command;
        }());
Sort Command

The sort command helps you convert a normal table into a sortable table by converting TH elements of a table into clickable buttons that sort the table based on the data inside the same column as the TH.

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        plugin.commands.sort = (function(){

Create an object that contains all of our data and functionality.

2022
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('sort', {
                'what':             'text',
                'by':                 '',
                'start':            0,
                'end':                0
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

First we need to know the exact position of the current TH inside the heading TR, the index:

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                var index = $that.parent().children().index($that);
                $that.on('click', function(){
                    plugin.triggerEvent('clicked', $that, options);

First we have to create an array with the content we need to base the sort on:

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                    var rows = [];
                    $that.parent().parent().parent().find('tbody > tr').each( function(){
                        var $td = $(this).find('td:nth-child('+(index+1)+')');
                        switch(options.what){
                            case 'html':
                                var str = $td.html();
                                break;
                            case 'class':
                                var str = $td.attr('class');
                                break;
                            default:
                                var str = $td.text();
                                break;
                        }
                        if (options.start > 0 || options.end > 0){
                            if (options.end > options.start){
                                str = str.substring(options.start, options.end);
                            } else {
                                str = str.substring(options.start);
                            }
                        }
                        rows.push({ 'content': $(this).html(), 'search': str });
                    });
  task: It should be possible to use way less code in the code below!

Now sort the array. There are currently three different ways to sort:

  • alpha: Will sort the array by the alphabetically
  • num: Will sort the array numerically
  • date: Will sort the array as a date

Depending on the current class of the TH, we either sort ascending or descending.

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                    if ($that.hasClass(s.prefix+'-sort-down')){
                        $that.parent().find('th').removeClass(s.prefix+'-sort-down').removeClass(s.prefix+'-sort-up');
                        $that.addClass(s.prefix+'-sort-up');
                        rows.sort( function(a,b){
                            if (options.by == 'num'){
                                a.search = Number(a.search);
                                b.search = Number(b.search);
                            }
                            if (options.by == 'date'){
                                var a = new Date(a.search);
                                var b = new Date(b.search);
                                return (a.getTime() - b.getTime());
                            } else {
                                if (a.search > b.search) return -1;
                                if (a.search < b.search) return 1;
                                return 0;
                            }
                        });
                    } else {
                        $that.parent().find('th').removeClass(s.prefix+'-sort-down').removeClass(s.prefix+'-sort-up');
                        $that.addClass(s.prefix+'-sort-down');
                        rows.sort( function(a,b){
                            if (options.by == 'num'){
                                a.search = Number(a.search);
                                b.search = Number(b.search);
                            }
                            if (options.by == 'date'){
                                var a = new Date(a.search);
                                var b = new Date(b.search);
                                return (b.getTime() - a.getTime());
                            } else {
                                if (a.search < b.search) return -1;
                                if (a.search > b.search) return 1;
                                return 0;
                            }
                        });
                    }

Everything is ready, let’s clear the whole TBODY of the table and add the sorted rows:

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                    var $body = $that.parent().parent().parent().find('tbody');
                    $body.html('');
                    var tbody = '';
                    $.each( rows, function(i,v){
                        tbody += '<tr>'+v.content+'</tr>';
                    });
                    $body.html(tbody);
                    plugin.triggerEvent('complete', $that, options);
                });
            };
            return command;
        }());
Parallax Command

The parallax command is used to create a parallax scrolling effect with different layers that look like a 3D scenery. Sidescrolling games in the old days used this kind of faked 3D effect quite a lot.

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        plugin.commands.parallax = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('parallax', {
                'strength':            5,
                'axis':                'x',
                'scope':            'global',
                'detect':             'mousemove'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;
                var strength = options.strength / 10;

We have to attach our event to different DOM elements based on the the type of parallax we want. The first option will use window scrolling to set the position of each layer, the other two use the mouse position for that.

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                if (options.detect == 'scroll'){
                    var $capture = $(window);
                } else if (options.scope == 'global'){
                    var $capture = $(document);
                } else {
                    var $capture = $that;
                }

Set the correct event:

2192
                $capture.on( options.detect, function(event) {

We only want to go through all calculations if needed, so check if our element is inside the viewport and that the window has focus:

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                    if ((windowhasfocus || !windowhasfocus && s.ignoreFocus) && ($that.jKit_inViewport() || !$that.jKit_inViewport() && s.ignoreViewport)){
                        var cnt = 1;

Get either the scroll or the mouse position:

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                        if (options.detect == 'scroll'){
                            var xaxis = $(window).scrollLeft() + $(window).width() / 2;
                            var yaxis = $(window).scrollTop() + $(window).height() / 2;
                        } else {
                            var xaxis = event.pageX;
                            var yaxis = event.pageY;
                        }

Loop through each layer and set the correct positions of each one of them:

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                        $that.children().each( function(){
                            var box = $that.offset();
                            if (options.axis == 'x' || options.axis == 'both'){
                                var offsetx = (xaxis-box.left-($that.width()/2))*strength*cnt*-1 - $(this).width()/2 + $that.width()/2;
                                $(this).css({ 'left': offsetx+'px' });
                            }
                            if (options.axis == 'y' || options.axis == 'both'){
                                var offsety = (yaxis-box.top-($that.height()/2))*strength*cnt*-1 - $(this).height()/2 + $that.height()/2;
                                $(this).css({ 'top': offsety+'px' });
                            }
                            cnt++;
                        });
                    }
                });
            };
            return command;
        }());
Zoom Command

The zoom command makes it possible to zoom into images on mouseover. To do that it overlays the selected image with a div that has that image as its background.

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        plugin.commands.zoom = (function(){

Create an object that contains all of our data and functionality.

2248
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('zoom', {
                'scale':             2,
                'speed':             150,
                'lightbox':            'no'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;
                var type = 'zoom';
                $that.parent().css('position', 'relative');
                $that.on( 'mouseover', function(){
                    var pos = $that.position();
                    var height = $that.height();
                    var width = $that.width();
                    $zoom = $('<div/>', {
                        'class': s.prefix+'-'+type+'-overlay'
                    }).css( {
                        'position': 'absolute',
                        'height': height+'px',
                        'width': width+'px',
                        'left': pos.left + 'px',
                        'top': pos.top + 'px',
                        'overflow': 'hidden',
                        'background-image': 'url('+$that.attr('src')+')',
                        'background-repeat': 'no-repeat',
                        'background-color': '#000',
                        'opacity': 0
                    }).on( 'mouseout', function(){
                        $zoom.fadeTo(options.speed, 0, function(){
                            $zoom.remove();
                            plugin.triggerEvent('zoomout', $that, options);
                        });
                    }).mousemove(function(e){

Detect the mouse poition relative to the selected image:

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                        var offset = $(this).offset();
                        var x = (e.pageX - offset.left) * (options.scale-1);
                        var y = (e.pageY - offset.top) * (options.scale-1);

And than move the background image of the overlayed div:

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                        $zoom.css('background-position', '-'+x+'px -'+y+'px');
                    }).fadeTo(options.speed, 1, function(){
                        plugin.triggerEvent('zoomin', $that, options);
                    }).insertAfter($that);

Optionally add a lightbox to the overlay image:

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                    if (options.lightbox == 'yes'){
                        plugin.executeCommand($zoom, 'lightbox', {});
                    }
                });
            };
            return command;
        }());
Partially Command

The partially command let’s us display an element only partially in case it is bigger than our supplied maximum height. The whole height is shown only on specific user action (hover over element or click of the down key)

2329
        plugin.commands.partially = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('partially', {
                'height':            200,
                'text':                'more ...',
                'speed':            250,
                'easing':            'linear',
                'on':                 'mouseover'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

First store the original height, we need it later.

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                var originalHeight = $that.height();

Only add the magic is we need, in other words, if the lement is higher than our maximum height:

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                if (originalHeight > options.height){

We can only add our more div if it’s relatively positioned, so force that one on it:

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                    $that.css('position', 'relative');

Create the more div:

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                    var $morediv = $('<div/>')
                            .addClass(s.prefix+'-morediv')
                            .appendTo($that)
                            .html(options.text)
                            .css( { width: $that.outerWidth()+'px', opacity: 0.9 });

Add the event handlers and animations:

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                    plugin.addKeypressEvents($that, 'down');
                    plugin.addKeypressEvents($that, 'up');
                    if (options.on == 'click' || $.fn.jKit_iOS()){
                        var openEvent = 'click';
                        var closeEvent = 'click';
                    } else {
                        var openEvent = 'mouseenter';
                        var closeEvent = 'mouseleave';
                    }
                    $that.css({ 'height': options.height+'px', 'overflow': 'hidden' }).on( openEvent+' down', function() {
                        if ($that.height() < originalHeight){
                            $morediv.fadeTo(options.speed, 0);
                            $that.animate({ 'height': originalHeight+'px' }, options.speed, options.easing, function(){
                                plugin.triggerEvent('open', $that, options);
                            });
                        }
                    }).on( closeEvent+' up',  function(){
                        if ($that.height() == originalHeight){
                            $morediv.fadeTo(options.speed, 0.9);
                            $that.animate({ 'height': options.height+'px' }, options.speed, options.easing, function(){
                                plugin.triggerEvent('closed', $that, options);
                            });
                        }
                    });
                }
            };
            return command;
        }());
Showandhide Command

The showandhide command is used to reveal an element and than hide it again, animated or not.

2414
        plugin.commands.showandhide = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('showandhide', {
                'delay':            0,
                'speed':            500,
                'duration':            10000,
                'animation':        'fade',
                'easing':            'linear'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                $that.hide().jKit_effect(true, options.animation, options.speed, options.easing, options.delay, function(){
                    plugin.triggerEvent('shown', $that, options);
                    $that.jKit_effect(false, options.animation, options.speed, options.easing, options.duration, function(){
                        plugin.triggerEvent('complete', $that, options);
                    });
                });
            };
            return command;
        }());
Filter Command

The filter command lets you filter DOM nodes based on some input.

2452
        plugin.commands.filter = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('filter', {
                'by':                 'class',
                'affected':         '',
                'animation':        'slide',
                'speed':            250,
                'easing':            'linear',
                'logic':             'and',
                'global':             'no'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){

The filter has to run on init and after every change of elements that have the jkit-filter class, so we have our own function we can call on all those events, the filterElements function, and let that function do all the hard work.

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                $that.find('.jkit-filter').each( function(){
                    $(this)
                        .data('oldval', $.trim( $(this).val() ) )
                        .on( 'change click input', function(){
                            if ( $.trim( $(this).val() ) != $(this).data('oldval') ){
                                $(this).data('oldval', $.trim( $(this).val() ) );
                                if (options.loader !== undefined) $(options.loader).show();
                                plugin.triggerEvent('clicked', $that, options);
                                filterElements($that, options);
                            }
                        });
                });

In case there’s already a filter value set, we need to trigger the filtering right now:

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                $that.find('.jkit-filter').each( function(){
                    if ($.trim($(this).val()) != ''){
                        if (options.loader !== undefined) $(options.loader).show();
                        plugin.triggerEvent('clicked', $that, options);
                        filterElements($that, options);
                        return false;
                    }
                });
            };

The filterElements function is used by the filter command. It’s doing the heavy lifting for the command.

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            var filterElements = function($el, options){

First we need to go through each filter element to find out by what we have to filter the affected elemnts. We’re splitting each elements value to get the separate words into an array.

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                var selections = [];
                $el.find('.jkit-filter').each( function(){
                    var vals = [];
                    var valsplit = $(this).val().split(' ');
                    $.each( valsplit, function(i,v){
                        v = $.trim(v);
                        if (v != '') vals.push(v);
                    });
                    selections = selections.concat(vals);
                });

Where do we have to look for our affected DOM nodes? Inside the body or inside the current element?

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                if (options.global == 'yes'){
                    $container = $('body');
                } else {
                    $container = $el;
                }

Loop through all affected elements and check if they have to be displayed or not.

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                $container.find(options.affected).each( function(){

First create a few cashes to speed up the following loop through the filter selections:

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                    var $current = $(this);
                    if (options.by == 'text'){
                        var currentText = $current.text().toLowerCase();
                    }
                    if (selections.length > 0){

As we have two options, one where we need to find each selection and one where we only have to find one of the selections, we first have to create an array with all found selections:

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                        var found = [];
                        $.each( selections, function(i,v){
                            if (options.by == 'class'){
                                if ($current.hasClass(v)){
                                    found.push(v);
                                }
                            } else if (options.by == 'text'){
                                if (currentText.indexOf(v.toLowerCase()) > -1){
                                    found.push(v);
                                }
                            }
                        });

Hide or show the element based on our search result:

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                        if ( found.length == selections.length || (found.length > 0 && options.logic == 'or') ){
                            $current.jKit_effect(true, options.animation, options.speed, options.easing, 0);
                        } else {
                            $current.jKit_effect(false, options.animation, options.speed, options.easing, 0);
                        }
                    } else {
                        $current.jKit_effect(true, options.animation, options.speed, options.easing, 0);
                    }
                });

Fire the complete event at the right time and hide the optional loader animation:

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                setTimeout( function(){
                    if (options.loader !== undefined) $(options.loader).hide();
                    plugin.triggerEvent('complete', $el, options);
                }, options.speed);
            };
            return command;
        }());
Slideshow Command

The slideshow command is being used to create slideshows of either images or any other kind of HTML content.

2604
        plugin.commands.slideshow = (function(){

Create an object that contains all of our data and functionality.

2608
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('slideshow', {
                'shuffle':            'no',
                'interval':            3000,
                'speed':            250,
                'animation':        'fade',
                'easing':            'linear',
                'on':                 ''
            });

The execute function is launched whenever this command is executed:

2623
            command.execute = function($that, options){

Get all slides:

2627
                var slides = $that.children();

If needed, shuffle the slides into a random order:

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                if (options.shuffle == 'yes'){
                    var tmp, rand;
                    var slidecount = slides.length;
                    for(var i =0; i < slidecount; i++){
                        rand = Math.floor(Math.random() * slidecount);
                        tmp = slides[i];
                        slides[i] = slides[rand];
                        slides[rand] = tmp;
                    }
                }
                $that.css( { 'position': 'relative' } );

Add the first slide and set a hidden data attribute so we know if the slideshow is running or not.

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                $that.html(slides[0]);
                $.data($that, 'anim', false);
                if (options.on != ''){

In case the on option is set to mouseover, we have to set an additional mouseleave event.

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                    if (options.on == 'mouseover'){
                        $that.on( 'mouseleave', function(){
                            $.data($that, 'anim', false);
                        });
                    }

Set the correct events and use a setTimeout function to call the slideshow function:

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                    $that.on( options.on, function(){
                        if (options.on == 'click'){
                            if ($.data($that, 'anim')){
                                $.data($that, 'anim', false);
                            } else {
                                $.data($that, 'anim', true);
                                window.setTimeout( function() { slideshow(slides, 0, $that, options); }, 0);
                            }
                        } else if (options.on == 'mouseover'){
                            if (!$.data($that, 'anim')){
                                $.data($that, 'anim', true);
                                window.setTimeout( function() { slideshow(slides, 0, $that, options); }, 0);
                            }
                        }
                    });
                } else {

No event is set, so we just run the slideshow right now:

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                    $.data($that, 'anim', true);
                    window.setTimeout( function() { slideshow(slides, 0, $that, options); }, options.interval);
                }
            };

The slideshow function replaces one slide with the next one. This one is is really simple, so not much to comment, just that the old element is first being hidden and than the new one shown, with or whitout an animation.

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            var slideshow = function(slides, current, el, options){
                if ($.data(el, 'anim')){
                    if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && (el.jKit_inViewport() || !el.jKit_inViewport() && plugin.settings.ignoreViewport)){
                        if (current < (slides.length-1)){
                            current++;
                        } else {
                            current = 0;
                        }
                        plugin.triggerEvent('hideentry hideentry'+(current+1), el, options);
                        el.jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                            el.html(slides[current]);
                            plugin.triggerEvent('showentry showentry'+(current+1), el, options);
                            el.jKit_effect(true, options.animation, options.speed, options.easing, 0, function(){
                                window.setTimeout( function() { slideshow(slides, current, el, options); }, options.interval);
                            });
                        });
                    } else {
                        window.setTimeout( function() { slideshow(slides, current, el, options); }, options.interval);
                    }
                }
            };
            return command;
        }());
Cycle Command

The cycle command let’s you “cycle” through a sequence of values and apply them to a set of DOM nodes. This can be classes, html, attributes or css.

2734
        plugin.commands.cycle = (function(){

Create an object that contains all of our data and functionality.

2738
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('cycle', {
                'what':             'class',
                'where':             'li',
                'scope':             'children',
                'sequence':         'odd,even'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;
                var seq = options.sequence.split(s.delimiter);
                var pos = 0;
                var sel = options.where;
                if (options.scope == 'children'){
                    sel = '> '+sel;
                }
                $that.find(sel).each( function(){
                    if (seq[pos] != undefined && seq[pos] != ''){
                        switch(options.what){
                            case 'class':
                                $(this).addClass(seq[pos]);
                                break;
                            case 'html':
                                $(this).html(seq[pos]);
                                break;
                            default:

If it’s not a class or html, it has to be a dot separated combination like for exmaple css.color or attr.id, so split it:

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                                var what = options.what.split('.');
                                if (what[0] == 'attr'){
                                    $(this).attr(what[1], seq[pos]);
                                } else if (what[0] == 'css'){
                                    $(this).css(what[1], seq[pos]);
                                }
                        }
                    }
                    pos++;
                    if (pos > seq.length-1) pos = 0;
                });
            };
            return command;
        }());
Binding Command

The binding command lets you bind different kind of values and even functions to different things, for example attributes. It’s a very powerfull command with tons of options.

2802
        plugin.commands.binding = (function(){

Create an object that contains all of our data and functionality.

2806
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('binding', {
                'selector':            '',
                'source':            'val',
                'variable':            '',
                'mode':                'text',
                'interval':            100,
                'math':                '',
                'condition':         '',
                'if':                '',
                'else':                '',
                'speed':            0,
                'easing':            'linear',
                'search':             '',
                'trigger':             'no',
                'accuracy':         '',
                'min':                 '',
                'max':                 ''
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                window.setTimeout( function() { binding($that, options); }, 0);
            };

The binding function connects different things to other things. It’s a really powerfull function with many options.

2840
            var binding = function(el, options){

Only run the code if the window has focus:

2844
                if (windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus){

First we need to get our value or multiple values that we later convert into one. Only run the following code if we didn’t bind to a function already.

2849
                    if (options.value == undefined){

If the selector option is set, we don’t use a variable for our source, that means we have to get our variable from the selector element:

2854
                        if (options.selector != ''){

The selector can have multiple elements that we have to check. And the source option can be separated with a dot, so prepare those two things first:

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                            var selsplit = options.selector.split('|');
                            var sourcesplit = options.source.split('.');

Now create an array that holds one or all of our values and run through each selector:

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                            var values = [];
                            $.each(selsplit, function(i, v) {

The selector is either a jQuery selector string or “this” that references the current element or “parent” that references the parent of the current element.

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                                if (v == 'this'){
                                    v = el;
                                } else if (v == 'parent'){
                                    v = $(el).parent().get(0);
                                }

A jQuery selector string can match more than one string, so run through all of them:

2878
                                $(v).each( function(){

The source option defines from where exactly we get our value. There are quite a few options.

2883
                                    switch(sourcesplit[0]){

We can trigger this binding by an event. This will simply call this function again as soon as the event fires with the value set to 1.

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                                        case 'event':
                                            $(this).on( sourcesplit[1], function(e){
                                                options.value = 1;
                                                binding(el, options);
                                                if (options.macro != undefined) plugin.applyMacro($(el), options.macro);
                                            });
                                            break;

“html” will get the HTML of the element:

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                                        case 'html':
                                            var temp = $(this).html();
                                            break;

“text” will get the putre text of the element:

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                                        case 'text':
                                            var temp = $(this).text();
                                            break;

“attr” will get a specific attribute that is specified after the dot, for example attr.id:

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                                        case 'attr':
                                            var temp = $(this).attr(sourcesplit[1]);
                                            break;

“css” will get a specific css value that is specified after the dot, for example css.width. Many of the options will be calculated by jQuery so that we get the correct result in any browser.

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                                        case 'css':
                                            if (sourcesplit[1] == 'height'){
                                                var temp = $(this).height();
                                            } else if (sourcesplit[1] == 'innerHeight'){
                                                var temp = $(this).innerHeight();
                                            } else if (sourcesplit[1] == 'outerHeight'){
                                                var temp = $(this).outerHeight();
                                            } else if (sourcesplit[1] == 'width'){
                                                var temp = $(this).width();
                                            } else if (sourcesplit[1] == 'innerWidth'){
                                                var temp = $(this).innerWidth();
                                            } else if (sourcesplit[1] == 'outerWidth'){
                                                var temp = $(this).outerWidth();
                                            } else if (sourcesplit[1] == 'scrollTop'){
                                                var temp = $(this).scrollTop();
                                            } else if (sourcesplit[1] == 'scrollLeft'){
                                                var temp = $(this).scrollLeft();
                                            } else {
                                                var temp = $(this).css(sourcesplit[1]);
                                            }
                                            break;

“scroll” will get the page scroll offset, either from top or from the left side:

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                                        case 'scroll':
                                            switch(sourcesplit[1]){
                                                case 'top':
                                                    var temp = $(window).scrollTop();
                                                    break;
                                                case 'left':
                                                    var temp = $(window).scrollLeft();
                                                    break;
                                            }
                                            break;

“clearance” will calculate the clearence around an element in relation to the window. If nothing is supplied after the dot, each side will be checked.

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                                        case 'clearance':
                                            var cTop = el.offset().top-$(window).scrollTop();
                                            var cBottom = $(window).scrollTop() + $(window).height() - ( el.offset().top + el.height() );
                                            var cRight = ($(window).width() + $(window).scrollLeft()) - (el.offset().left + el.width());
                                            var cLeft = el.offset().left - $(window).scrollLeft();
                                            switch(sourcesplit[1]){
                                                case 'bottom':
                                                    var temp = cBottom;
                                                    break;
                                                case 'top':
                                                    var temp = cTop;
                                                    break;
                                                case 'right':
                                                    var temp = cRight;
                                                    break;
                                                case 'left':
                                                    var temp = cLeft;
                                                    break;
                                                default:
                                                    var temp = Math.min.apply(Math, [ cBottom, cTop, cRight, cLeft ]);
                                            }
                                            break;

“has” tries to find out if the element has a specific thing and gives back either true or false:

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                                        case 'has':
                                            switch(sourcesplit[1]){
                                                case 'class':
                                                    var temp = $(this).hasClass(options.search);
                                                    break;
                                                case 'text':
                                                    var temp = $.fn.jKit_stringOccurrences($(this).text().toLowerCase(), options.search.toLowerCase());
                                                    break;
                                                case 'attribute':
                                                    var temp = ($(this).attr(options.search) !== undefined);
                                                    break;
                                                case 'val':
                                                    var temp = $.fn.jKit_stringOccurrences($(this).val().toLowerCase(), options.search.toLowerCase());
                                                    break;
                                                case 'element':
                                                    var temp = $(this).find(options.search).length;
                                                    break;
                                                case 'children':
                                                    var temp = $(this).children(options.search).length;
                                                    break;
                                                case 'hash':
                                                    var temp = (window.location.hash == options.search);
                                                    break;
                                            }
                                            break;

“location” needs the second option after the dot and gets something from the location object, for example the hash, like this: location.hash

3029
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3033
                                        case 'location':
                                            var temp = window.location[sourcesplit[1]];
                                            break;

“val” will get the value of the element:

3037
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3040
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3042
3043
3044
3045
                                        case 'val':
                                        default:
                                            var temp = $(this).val();
                                    }
                                    values.push(temp);
                                });
                            });

If there’s a third option supplied with the source, for example css.height.max, we use that to calculate the final valus from all values in the array. If the fird option isn’t supplied, we just take the first value.

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                            if (sourcesplit[2] != undefined){
                                var value = '';
                                switch(sourcesplit[2]){
                                    case 'max':
                                        value = Math.max.apply(Math, values);
                                        break;
                                    case 'min':
                                        value = Math.min.apply(Math, values);
                                        break;
                                    case 'sum':
                                        value = values.reduce(function(a,b){return a+b;});
                                        break;
                                    case 'avg':
                                        value = values.reduce(function(a,b){return a+b;}) / values.length;
                                        break;
                                }
                            } else {
                                var value = values[0];
                            }
                        } else if (options.variable != ''){
                            var value = window[options.variable];
                        }
                    } else {
                        value = options.value;
                    }

In case we have a numeric value, there are a few options more we can apply. The accuracy option reduces the accuracy of the value down to this number. The min and max options limit the value to either a minimum or a maximum value.

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                    if (!isNaN(value) && parseInt(value) == value){
                        if (options.accuracy != ''){
                            value = Math.round(value / options.accuracy) * options.accuracy;
                        }
                        if (options.min != '' && value < options.min){
                            value = options.min;
                        }
                        if (options.max != '' && value > options.max){
                            value = options.max;
                        }
                    }

If the condition option is set or the current value is a boolean, we have to decide if either the if option will be used (if supllied) or the value in the else option (if supllied).

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                    var doit;
                    var rev = false;
                    if (options.condition != ''){
                        doit = false;
                        eval('if ('+options.condition.replace(/[^a-zA-Z 0-9#<>=.!']+/g, '')+') doit = true;');
                    } else {
                        if (value === false){
                            doit = false;
                            rev = true;
                        } else {
                            doit = true;
                        }
                    }

Next we add some logic that either fires the true or false event in case our value changes. To make this possible, we store the value in the “global” commandkeys array entry for the current command call.

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                    if (commandkeys[options.commandkey]['condition'] == undefined || commandkeys[options.commandkey]['condition'] != doit){
                        if (doit){
                            plugin.triggerEvent('true', $(el), options);
                        } else {
                            plugin.triggerEvent('false', $(el), options);
                        }
                        commandkeys[options.commandkey]['condition'] = doit;
                    }
                    if (rev){
                        doit = true;
                    }

Use the if or else value if supplied:

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                    if (!doit && options['else'] != ''){
                        doit = true;
                        value = options['else'];
                    } else if (doit && options['if'] != ''){
                        doit = true;
                        value = options['if'];
                    }

Time to use the value to set something, but only if the condition wasn’t false:

3150
                    if (doit){

The math option lets us do some additional calculation on our value:

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                        if (options.math != ''){
                            eval('value = '+options.math.replace(/[^a-zA-Z 0-9+-*/.]+/g, '')+';');
                        }

Do we have to trigger some additional events?

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                        if (options.trigger == 'yes'){
                            if (commandkeys[options.commandkey]['triggervalue'] == undefined || commandkeys[options.commandkey]['triggervalue'] != value){
                                if (commandkeys[options.commandkey]['triggervalue'] !== undefined){
                                    plugin.triggerEvent('notvalue'+commandkeys[options.commandkey]['triggervalue'], $(el), options);
                                }
                                plugin.triggerEvent('value'+value, $(el), options);
                                commandkeys[options.commandkey]['triggervalue'] = value;
                            }
                        }

The mode option defines what we have to do with our value. There are quite a few options. The attr and css modes take a second option that is separated with a dot.

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                        var modesplit = options.mode.split('.');
                        switch(modesplit[0]){
                            case 'text':
                                el.text(value);
                                break;
                            case 'html':
                                el.html(value);
                                break;
                            case 'val':
                                el.val(value);
                                break;
                            case 'attr':
                                el.attr(modesplit[1], value);
                                break;
                            case 'css':
                                if (modesplit[1] == 'display'){
                                    if ($.trim(value) == '' || $.trim(value) == 0 || !value){
                                        value = 'none';
                                    } else {
                                        if (modesplit[2] !== undefined){
                                            value = modesplit[2];
                                        }
                                    }
                                }

CSS values can be animated if needed:

3200
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3210
                                if (options.speed > 0){
                                    var style = {};
                                    style[modesplit[1]] =  value;
                                    el.animate(style, options.speed, options.easing);
                                } else {
                                    el.css(modesplit[1], value);
                                }
                                break;
                            case 'none':
                                break;
                            default:

The default behavior is to call a custom function if one exits with that name:

3214
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                                if (modesplit[0] != undefined){
                                    var fn = window[modesplit[0]];
                                    if(typeof fn === 'function') {
                                        fn(value,el);
                                    }
                                }
                        }
                    }
                }

Do we have to set an interval?

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3235
                if (options.interval != -1){
                    window.setTimeout( function() { binding(el, options); }, options.interval);
                }
            };
            return command;
        }());
Accordion Command

The accordion command creates a content navigation that acts like an accordion.

3243
        plugin.commands.accordion = (function(){

Create an object that contains all of our data and functionality.

3247
            var command = {};

This are the command defaults:

3251
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3254
3255
3256
            plugin.addCommandDefaults('accordion', {
                'active':            1,
                'animation':        'slide',
                'speed':            250,
                'easing':            'linear'
            });

The execute function is launched whenever this command is executed:

3260
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            command.execute = function($that, options){
                var s = plugin.settings;

First try to find out which kind of HTML elements are used to structure the data:

3266
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                var containerTag = plugin.findElementTag($that, '>', 'max', 'div');
                var titleTag = plugin.findElementTag($that, '> '+containerTag+' >', 0, 'h3');
                var contentTag = plugin.findElementTag($that, '> '+containerTag+' >', 1, 'div');

Next we need to create an array that contains all the titles and content (yes, this is so similar to the tabs command, that even the array is called “tabs”):

  task: Can we save code if we combine this one and the tab command? They are very similar!
3275
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3281
                var tabs = [];
                $that.children(containerTag).each( function(){
                    tabs.push({
                        'title': $(this).children(titleTag).detach(),
                        'content': $(this).children(contentTag).detach()
                    });
                });

Prepare the original element so that we can add the navigation:

3285
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3287
3288
3289
                $that.html('');
                var $tabnav = $('<ul/>', { }).appendTo($that);
                var current = 1;
                if (options.active == 0) current = -1;

Loop through each element and create the correct data structure with all events and animations:

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                $.each( tabs, function(index, value){
                    var $litemp = $('<li/>', { }).append(value.title).css('cursor', 'pointer').appendTo($tabnav);
                    if (options.active-1 == index){
                        $litemp.append(value.content).children(titleTag).addClass(s.activeClass);
                        current = index;
                    } else {
                        $litemp.append(value.content.hide());
                    }
                    $litemp.find('> '+titleTag).on( 'click', function(e){
                        if (index != current){
                            plugin.triggerEvent('showentry showentry'+(index+1), $that, options);
                            $tabnav.find('> li > '+titleTag).removeClass(s.activeClass);
                            $(this).addClass(s.activeClass);
                            if (options.animation == 'slide'){
                                $tabnav.find('> li:nth-child('+(current+1)+') > '+contentTag).slideUp(options.speed, options.easing);
                                $tabnav.find('> li:nth-child('+(index+1)+') > '+contentTag).slideDown(options.speed, options.easing);
                            } else {
                                $tabnav.find('> li:nth-child('+(current+1)+') > '+contentTag).hide();
                                $tabnav.find('> li:nth-child('+(index+1)+') > '+contentTag).show();
                            }
                            current = index;
                        } else {
                            plugin.triggerEvent('hideentry hideentry'+(index+1), $that, options);
                            $(this).removeClass(s.activeClass).next().slideUp(options.speed, options.easing);
                            current = -1;
                        }
                    });
                });
            };

Add local functions and variables here …

3330
3331
3332
            return command;
        }());
Template Command

The template command implements a simple templating engine.

3340
        plugin.commands.template = (function(){

Create an object that contains all of our data and functionality.

3344
3345
3346
            var command = {};
            command.templates = {};

This are the command defaults:

3350
3351
3352
3353
3354
3355
            plugin.addCommandDefaults('template', {
                'action':             'set',
                'name':                'template',
                'dynamic':             'no',
                'addhtml':             '+'
            });

The execute function is launched whenever this command is executed:

3359
3360
3361
            command.execute = function($that, options){
                var s = plugin.settings;

Apply a template or define a new one?

3365
3366
3367
                if (options.action == 'apply'){
                    $el = $that;

Do we have to apply the template to more than one element?

3371
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3380
3381
3382
                    if (options.children != undefined && options.children != ''){
                        $el = $that.children(options.children);
                        var cnt = 0;
                        $el.each( function(){
                            cnt++;
                            applyTemplate($(this), options, cnt, $el.length);
                        });
                    } else {
                        applyTemplate($that, options);
                    }

If this is a dynamic template, we need to create the add div that acts like a button and adds a new element with the correct options:

3387
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3400
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3402
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3404
3405
                    if (options.dynamic == 'yes'){
                        var $addDiv = $('<a/>', {
                            'class': s.prefix+'-'+type+'-add'
                        }).html(options.addhtml).on( 'click', function(){
                            $el = $($that.get(0));
                            var cnt = $el.children(options.children).length + 1;
                            $el.find('.if-entry-last').hide();
                            applyTemplate($('<'+options.children+'/>').appendTo($el), options, cnt, cnt);
                            plugin.triggerEvent('added', $that, options);
                        }).insertAfter($that);
                    }
                } else {

Templates are stored in a “global” plugin array:

3409
3410
3411
                    if (command.templates[options.name] == undefined){
                        command.templates[options.name] = [];
                    }

Define the dynamic variables:

3415
3416
3417
3418
3419
                    if (options.vars == undefined){
                        var vars = [];
                    } else {
                        var vars = options.vars.split(s.delimiter);
                    }

Add the template to the “global” array:

3423
3424
3425
3426
3427
                    command.templates[options.name] = { 'template': $that.detach(), 'vars': vars };
                }
            };

applyTemplate

The applyTemplate function is used by the template command. It adds the template with all it’s options to the suoplied element.

3434
            var applyTemplate = function($el, options, cnt, entries){

Loop through each template variable, find the correct element inside the supplied content element, init each of the elements in case there are any jKit commands on them and finally store the value or HTML in an array.

3440
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3443
3444
3445
3446
3447
3448
3449
                var content = {};
                $.each( command.templates[options.name].vars, function(i,v){
                    var $subEls = $el.find('.'+v);
                    plugin.init($subEls);
                    if ($subEls.val() != ''){
                        content[v] = $subEls.val();
                    } else {
                        content[v] = $subEls.html();
                    }
                });

Now add the template to the container element:

3453
                $el.html(command.templates[options.name].template.clone().show());

Hide all elements that have an if-entry-x class. We later show them again if needed.

3457
                $el.find('[class^="if-entry-"]').hide();

Rename dynamic attributes so that we don’t get dublicate ids:

3461
                renameDynamicAttributes($el, cnt);

Add the content and show hidden elements if needed:

3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
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3477
3478
3479
3480
3481
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3483
3484
3485
                $.each( command.templates[options.name].vars, function(i,v){
                    var $subEl = $el.find('.'+v);
                    if ($subEl.is("input") || $subEl.is("select") || $subEl.is("textarea")){
                        $subEl.val(content[v]);
                    } else {
                        $subEl.html(content[v]);
                    }
                    if (content[v] == undefined && $el.find('.if-'+v).length > 0){
                        $el.find('.if-'+v).remove();
                    }
                    if (cnt == 1) $el.find('.if-entry-first').show();
                    if (cnt == entries) $el.find('.if-entry-last').show();
                    $el.find('.if-entry-nr-'+cnt).show();
                });
            };

renameDynamicAttributes

The renameDynamicAttributes function is used by the plugin.applyTemplate function. It’s used to rename attributes on dynamic elements so that we get unique elements.

3493
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3497
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3500
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3502
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3520
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3522
            var renameDynamicAttributes = function($el, cnt){
                $el.find('[class^="dynamic-"]').each( function(){
                    var $subEl = $(this);
                    var classList = $(this).attr('class').split(/s+/);
                    $.each( classList, function(i,v){
                        var attribute = v.substr(8);
                        if (attribute != '' && $subEl.attr(attribute)){
                            var currentAttr = $subEl.attr(attribute);
                            var pos = currentAttr.lastIndexOf('_');
                            if (pos > -1){
                                currentAttr = currentAttr.substr(0,pos);
                            }
                            $subEl.attr(attribute, currentAttr+'_'+cnt);
                        }
                    });
                });
            };
            return command;
        }());
Tabs Command

The tabs command is used to create a tab navigation of different content elements.

3530
        plugin.commands.tabs = (function(){

Create an object that contains all of our data and functionality.

3534
            var command = {};

This are the command defaults:

3538
3539
3540
3541
3542
3543
            plugin.addCommandDefaults('tabs', {
                'active':            1,
                'animation':        'none',
                'speed':            250,
                'easing':            'linear'
            });

The execute function is launched whenever this command is executed:

3547
3548
3549
            command.execute = function($that, options){
                var s = plugin.settings;

First try to find out which kind of HTML elements are used to structure the data:

3553
3554
3555
                var containerTag = plugin.findElementTag($that, '>', 'max', 'div');
                var titleTag = plugin.findElementTag($that, '> '+containerTag+' >', 0, 'h3');
                var contentTag = plugin.findElementTag($that, '> '+containerTag+' >', 1, 'div');

Next we need to create an array the contains all the tab titles and content:

3559
3560
3561
3562
                var tabs = [];
                $that.children(containerTag).each( function(){
                    tabs.push({ 'title': $(this).children(titleTag).html(), 'content': $(this).children(contentTag).detach() });
                });

Prepare the original element so that we can add the navigation:

3566
3567
                $that.html('');
                var $tabnav = $('<ul/>', { }).appendTo($that);

We need a jQuery element right now but can only set it after the following loop has finished:

3571
3572
3573
                var $tabcontent = $;
                $.each( tabs, function(index, value){

Create a list element and add it to the tab naviagtion:

3577
                    var $litemp = $('<li/>', { }).html(value.title).css('cursor', 'pointer').appendTo($tabnav);

Is this tab active? If yes, add the “active” class:

3581
3582
3583
                    if (options.active-1 == index){
                        $litemp.addClass(s.activeClass);
                    }

Create a callback for each list and fire it on the click event:

  task: Was there a reason for this callback variable? Can’t we just use an anonymos function inside the event?
3589
3590
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3599
3600
3601
3602
3603
3604
3605
3606
                    var callback = function(){
                        plugin.triggerEvent('showentry showentry'+(index+1), $that, options);
                        $tabcontent.jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                            $(this).remove();
                            $tabcontent = tabs[index].content.appendTo($that).hide();
                            $tabcontent.jKit_effect(true, options.animation, options.speed, options.easing);
                        });
                        $tabnav.find('li').removeClass(s.activeClass);
                        $tabnav.find('li:nth-child('+(index+1)+')').addClass(s.activeClass);
                    };
                    $litemp.on( 'click ', function(){
                        callback();
                    });
                });

Do we have to display an initial content or do we start without a tab selected?

3610
3611
3612
3613
3614
                if (tabs[options.active-1] != undefined){
                    $tabcontent = tabs[options.active-1].content.appendTo($that);
                }
            };

Add local functions and variables here …

3618
3619
3620
            return command;
        }());
Key Command

The key command let’s us create hotkeys for links. If thge link has an onclick attribute, we fire that one, if not, we’re just going to open the href, either as a popup or inside the same window, whatever the target attribute tells us.

3630
        plugin.commands.key = (function(){

Create an object that contains all of our data and functionality.

3634
            var command = {};

This are the command defaults:

3638
            plugin.addCommandDefaults('key', {});

The execute function is launched whenever this command is executed:

3642
3643
3644
            command.execute = function($that, options){
                if (options.code != undefined){

First we need to add the event handling for this keycode to the element …

3648
                    plugin.addKeypressEvents($that, options.code);

Because only now we can listen to it:

3652
3653
3654
3655
3656
                    $that.on( options.code, function(){
                        if ($that.attr('onclick') !== undefined){
                            $that.click();
                        } else {
                            if ($that.attr('target') !== undefined && $that.attr('target') == '_blank'){

Sadly we can’t open pages in a new tab or regular window, so we have to open it in a popup instead:

3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
                                window.open($that.attr('href'), '_blank', false);
                            } else {
                                window.location.href = $that.attr('href');
                            }
                        }
                        if (options.macro != undefined) plugin.applyMacro($that, options.macro);
                        plugin.triggerEvent('pressed', $that, options);
                    });
                }
            };
            return command;
        }());
Scroll Command

The scroll command let’s us scroll smoothly to an anchor on the page or if the HREF attribute is empty, we just scroll to the top.

3683
        plugin.commands.scroll = (function(){

Create an object that contains all of our data and functionality.

3687
            var command = {};

This are the command defaults:

3691
3692
3693
3694
3695
            plugin.addCommandDefaults('scroll', {
                'speed':             500,
                'dynamic':             'yes',
                'easing':             'linear'
            });

The execute function is launched whenever this command is executed:

3699
3700
3701
3702
3703
            command.execute = function($that, options){
                $that.click(function() {
                    plugin.triggerEvent('clicked', $that, options);

Get the position of our target element:

3707
3708
3709
3710
3711
                    if ($(this).attr("href") == ''){
                        var ypos = 0;
                    } else {
                        var ypos = $($that.attr("href")).offset().top;
                    }

The dynamic option changes the scroll animation duration based on the distance between us and the target element:

3716
3717
3718
                    if (options.dynamic == 'yes'){
                        options.speed = Math.abs($(document).scrollTop() - ypos) / 1000 * options.speed;
                    }

Finally animate the scrollTop of the whole HTML page to scroll inside the current window:

3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
                    $('html, body').animate({ scrollTop: ypos+'px' }, options.speed, options.easing, function(){
                        plugin.triggerEvent('complete', $that, options);
                    });
                    return false;
                });
            };
            return command;
        }());
Form Command

The form command can convert a regular web form into an ajax submitted form. Additionally it adds various validation options.

3742
        plugin.commands.form = (function(){

Create an object that contains all of our data and functionality.

3746
            var command = {};

This are the command defaults:

3750
3751
3752
            plugin.addCommandDefaults('form', {
                'validateonly':        'no'
            });

The execute function is launched whenever this command is executed:

3756
3757
3758
            command.execute = function($that, options){
                var s = plugin.settings;

Add a hidden field that will contain a list of required fileds so that our PHP script can check against them.

3763
3764
3765
3766
3767
                $that.append('<input type="hidden" name="'+s.prefix+'-requireds" id="'+s.prefix+'-requireds">');
                if (options.error != undefined) options.formerror = options.error;
                var requireds = [];

Add an on submit event so that we can do our work before the form is being submitted:

3771
                $that.on('submit', function() {

Create an error array and remove all error nodes previously set:

3775
3776
                    var errors = [];
                    $(this).find('span.'+s.errorClass).remove();

Parse the validation commands:

  task: Can’t we use the default parsing here so that we save code and get all features?
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
                    $(this).find("*[rel^=jKit], *["+s.dataAttribute+"]").each( function(){
                        var rel = $(this).attr('rel');
                        var data = $(this).attr(s.dataAttribute);
                        if (data != undefined){
                            var start = data.indexOf('[');
                            var end = data.indexOf(']');
                            var optionstring = data.substring(start+1, end);
                        } else {
                            var start = rel.indexOf('[');
                            var end = rel.indexOf(']');
                            var optionstring = rel.substring(start+1, end);
                        }
                        var options = plugin.parseOptions(optionstring);
                        var type = options.type;
                        var elerror = false;
                        var required = false;
                        if (options.required == undefined) options.required = false;

Check if this form element is required and if yes, check if there is something entered:

3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
                        if (options.required == 'true'){
                            if ($(this).val() == ''){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'required' } );
                            }
                            required = true;
                            if ($.inArray($(this).attr('name'), requireds) == -1){
                                requireds.push($(this).attr('name'));
                            }
                        }

Check if we really have to go through all validation checks:

3820
                        if ((required || $(this).val() != '') || options.type == 'group'){

Is this a valid email?

3823
3824
3825
3826
                            if (options.type == 'email' && !$.fn.jKit_emailCheck($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'email' } );
                            }

Is this a valid url (http:// or https://)?

3829
3830
3831
3832
                            if (options.type == 'url' && !$.fn.jKit_urlCheck($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'url' } );
                            }

Is this a valid date?

3835
3836
3837
3838
                            if (options.type == 'date' && !$.fn.jKit_dateCheck($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'date' } );
                            }

Is this date older than some other date?

3841
3842
3843
3844
                            if (options.type == 'date' &&  (new Date($(this).val()).getTime() <= new Date($(options.older).val()).getTime()) ){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'older' } );
                            }

Is this date younger than some other date?

3847
3848
3849
3850
                            if (options.type == 'date' &&  (new Date($(this).val()).getTime() >= new Date($(options.younger).val()).getTime()) ){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'younger' } );
                            }

Is this a valid time?

3853
3854
3855
3856
                            if (options.type == 'time' && !$.fn.jKit_timeCheck($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'time' } );
                            }

Is this a valid phone number?

3859
3860
3861
3862
                            if (options.type == 'phone' && !$.fn.jKit_phoneCheck($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'phone' } );
                            }

Is this a float?

3865
3866
3867
3868
                            if (options.type == 'float' && isNaN($(this).val())){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'float' } );
                            }

Is this a int?

3871
3872
3873
3874
                            if (options.type == 'int' && parseInt($(this).val()) != $(this).val()){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'int' } );
                            }

min (numeric)?

3877
3878
3879
3880
                            if ((options.type == 'int' || options.type == 'float') && options.min != undefined && $(this).val() < options.min && options.type != 'group'){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'min' } );
                            }

max (numeric)?

3883
3884
3885
3886
                            if ((options.type == 'int' || options.type == 'float') && options.max != undefined && $(this).val() > options.max && options.type != 'group'){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'max' } );
                            }

Is this bigger than x (numeric)?

3889
3890
3891
3892
                            if ((options.type == 'int' || options.type == 'float') && options.bigger != undefined && $(this).val() > $(options.bigger).val()){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'bigger' } );
                            }

Is this smaller than x (numeric)?

3895
3896
3897
3898
                            if ((options.type == 'int' || options.type == 'float') && options.smaller != undefined && $(this).val() < $(options.smaller).val()){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'smaller' } );
                            }

min (length)?

3901
3902
3903
3904
                            if ((options.type != 'int' && options.type != 'float') && options.min != undefined && $(this).val().length < options.min && options.type != 'group'){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'minlength' } );
                            }

max (length)?

3907
3908
3909
3910
                            if ((options.type != 'int' && options.type != 'float') && options.max != undefined && $(this).val().length > options.max && options.type != 'group'){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'maxlength' } );
                            }

Is the length of the entered string exactly the specified value?

3913
3914
3915
3916
                            if (options.length != undefined && $(this).val().length != options.length){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'length' } );
                            }

Is this longer than x (length)?

3919
3920
3921
3922
                            if ((options.type != 'int' && options.type != 'float') && options.longer != undefined && $(this).val().length > $(options.longer).val().length){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'longer' } );
                            }

Is this shorter than x (length)?

3925
3926
3927
3928
                            if ((options.type != 'int' && options.type != 'float') && options.shorter != undefined && $(this).val().length < $(options.shorter).val().length){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'shorter' } );
                            }

Check password strength (0=bad, 100=perfect)?

3931
3932
3933
3934
                            if (options.strength != undefined && $.fn.jKit_passwordStrength($(this).val()) < options.strength){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'strength' } );
                            }

Is this the same as x?

3937
3938
3939
3940
                            if (options.same != undefined && $(this).val() != $(options.same).val()){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'same' } );
                            }

Is this different than x?

3943
3944
3945
3946
                            if (options.different != undefined && $(this).val() != $(options.different).val()){
                                elerror = true;
                                errors.push( { 'element': $(this), 'error': 'different' } );
                            }

Has this file the correct extension?

3949
3950
3951
3952
3953
3954
3955
3956
3957
                            if (options.type == 'extension'){
                                var opts = options.options.split(s.delimiter);
                                var filesplit = $(this).val().split('.');
                                var ext = filesplit[filesplit.length-1];
                                if ($.inArray(ext,opts) == -1) {
                                    elerror = true;
                                    errors.push( { 'element': $(this), 'error': 'ext' } );
                                }
                            }

Is the correct amount of elements checked in this group?

3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
                            if (options.type == 'group'){
                                if (options.min != undefined || options.max != undefined){
                                    var checked = 0;
                                    $(this).children('input[type=checkbox][checked]').each( function(){
                                        checked++;
                                    });
                                    if ((options.min != undefined && options.min > checked) || (options.max != undefined && checked > options.max)){
                                        elerror = true;
                                        errors.push( { 'element': $(this), 'error': 'group' } );
                                    }
                                } else {
                                    if ($(this).find("input[name='"+options.name+"']:checked").val() == undefined){
                                        elerror = true;
                                        errors.push( { 'element': $(this), 'error': 'group' } );
                                    }
                                }
                            }

Call a custom function that checks this field:

3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
                            if (options.type == 'custom' && options.checkfunction != undefined){
                                var fn = window[options.checkfunction];
                                if(typeof fn === 'function') {
                                    if ( !fn( $(this).val() ) ){
                                        elerror = true;
                                        errors.push( { 'element': $(this), 'error': 'custom' } );
                                    }
                                }
                            }
                        }

Display and error if anything didn’t validate correctly:

3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
                        if (elerror){
                            if (options.error != undefined){
                                $(this).after('<span class="'+s.errorClass+'">'+options.error+'</span>');
                            }
                            $(this).addClass(s.errorClass);
                        } else {
                            $(this).removeClass(s.errorClass);
                        }
                    });

No errors? Than go on …

4006
                    if (errors.length == 0){

If this form doesn’t use an ajax submit, than just fire the “complete” event:

4010
4011
4012
4013
4014
                        if (options.validateonly == "yes"){
                            plugin.triggerEvent('complete', $that, options);
                            return true;

This is an ajax submit:

4018
4019
4020
4021
4022
4023
4024
                        } else {
                            var action = $(this).attr('action');
                            $that.removeClass(s.errorClass);
                            if (options.success == undefined) options.success = 'Your form has been sent.';

Put all the required fields, comma separated, into the hidden field:

4028
                            $that.find('input#'+s.prefix+'-requireds').val(requireds.join(s.delimiter));

Post send the serialized data to our form script:

4032
4033
                            $.post(action, $that.serialize(), function(data, textStatus, jqXHR) {
                                $that.find('.'+s.errorClass).hide();

Check if everything got through correctly:

4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
                                if (data.sent != undefined && data.sent == true){
                                    if (options.success.charAt(0) == '#'){
                                        $that.html($(options.success).show());
                                    } else {
                                        $that.html('<p class="'+s.successClass+'">'+options.success+'</p>');
                                    }
                                    plugin.triggerEvent('complete', $that, options);
                                    if (options.macro != undefined) plugin.applyMacro($that, options.macro);
                                } else {
                                    for (x in data.error){
                                        var field = data.error[x];
                                        $that.find('*[name='+field+']').addClass(s.errorClass).after('<span class="'+s.errorClass+'">'+options.error+'</span>');
                                    }
                                    plugin.triggerEvent('error', $that, options);
                                }

Something didn’t really work. Is there even a compatible form script? Show error:

4055
4056
4057
4058
                            }).error(function(xhr, ajaxOptions, thrownError){
                                alert(thrownError);
                                $that.append('<span class="'+s.errorClass+'">There was an error submitting the form: Error Code '+xhr.status+'</span>');
                            });

Return false so that the browser doesn’t submit the form himself:

4062
4063
4064
4065
4066
                            return false;
                        }
                    } else {

Do we have to display an error for the whole form?

4070
4071
4072
4073
4074
                        $that.addClass(s.errorClass);
                        if (options.formerror != undefined){
                            $that.append('<span class="'+s.errorClass+'">'+options.formerror+'</span>');
                        }
                        plugin.triggerEvent('error', $that, options);

Return false so that the browser doesn’t submit the form himself:

4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
                        return false;
                    }
                });
            };
            return command;
        }());
Ajax Command

The ajax command can do a few thing. The normal use case is a link that loads some extra content through an ajax call on click. But the command can be used to lazy load images, too.

4095
        plugin.commands.ajax = (function(){

Create an object that contains all of our data and functionality.

4099
            var command = {};

This are the command defaults:

4103
4104
4105
4106
4107
4108
            plugin.addCommandDefaults('ajax', {
                'animation':        'slide',
                'speed':            250,
                'easing':            'linear',
                'when':             'click'
            });

The execute function is launched whenever this command is executed:

4112
4113
4114
            command.execute = function($that, options){
                var s = plugin.settings;

If the href option is set, take it from the option, if not, take it from our element:

4118
4119
4120
4121
4122
4123
4124
                if (options.href != undefined && options.href != ''){
                    var href = options.href;
                } else {
                    var href = $that.attr('href');
                }
                if (options.when == 'load' || options.when == 'viewport'){

If the option when is **load*, than we’re just loading the content:

4128
4129
4130
4131
                    if (options.when == 'load'){
                        $that.load(href, function(){
                            plugin.triggerEvent('complete', $that, options);
                        });

If it’s viewport, we’re going to wait till the content enters the viewport before we load the content or the image (lazy load), whatever our options say:

4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
                    } else {
                        var myInterval = setInterval(function(){
                            if ($that.jKit_inViewport() || !$that.jKit_inViewport() && s.ignoreViewport){
                                if (options.src != undefined){
                                    $that.attr('src', options.src);
                                    plugin.triggerEvent('complete', $that, options);
                                } else {
                                    $that.load(href, function(){
                                        plugin.triggerEvent('complete', $that, options);
                                    });
                                }
                                window.clearInterval(myInterval);
                            }
                        },100);
                    }

This is our default use case, load the content on click:

4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
                } else {
                    $that.on('click', function(){
                        loadAndReplace(href, options, $that);
                        return false;
                    });
                }
            };
            var loadAndReplace = function(href, options, $el){

Create an unique temporary id we can use to store and access our loaded content.

4167
                var tempid = plugin.settings.prefix+'_ajax_temp_'+$.fn.jKit_getUnixtime();

Hide the affected element:

4171
                $(options.element).jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){

Prepare the current element and create a div we use to store the loaded content:

4175
4176
4177
4178
4179
                    $(options.element).html('');
                    jQuery('<div/>', {
                        id: tempid
                    }).appendTo('body');

Load the content from the supplied url and tell jQuery which element we need from it:

4183
                    $('#'+tempid).load(href+' '+options.element, function() {

Add the content from our temporary div to our real element and initialize the content in case there are an jKit commands on it:

4188
4189
                        $(options.element).html( $('#'+tempid+' '+options.element).html() );
                        plugin.init($(options.element));

Trigger some stuff and show the content we just added:

4193
4194
4195
4196
4197
                        plugin.triggerEvent('complete', $el, options);
                        $(options.element).jKit_effect(true, options.animation, options.speed, options.easing);
                        if (options.macro != undefined) plugin.applyMacro($(options.element), options.macro);

Remove our temporary item:

4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
                        $('#'+tempid).remove();
                    });
                });
            };
            return command;
        }());
Command Template

This is a template for commands. It should be used as a starting point to create new commands.

4218
        plugin.commands.hide = (function(){

Create an object that contains all of our data and functionality.

4222
            var command = {};

This are the command defaults:

4226
4227
4228
4229
4230
4231
            plugin.addCommandDefaults('hide', {
                'delay':             0,
                'speed':             500,
                'animation':         'fade',
                'easing':             'linear'
            });

The execute function is launched whenever this command is executed:

4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
            command.execute = function($that, options){
                $that.jKit_effect(false, options.animation, options.speed, options.easing, options.delay, function(){
                    plugin.triggerEvent('complete', $that, options);
                });
            };
            return command;
        }());
Fontsize Command

The fontsize command can be used to change the size of text. It can be limited to specific elements. You can even use it to change other CSS related sizes, for example the width of an element, with the style option.

4254
        plugin.commands.fontsize = (function(){

Create an object that contains all of our data and functionality.

4258
            var command = {};

This are the command defaults:

4262
4263
4264
4265
4266
4267
4268
            plugin.addCommandDefaults('fontsize', {
                'steps':             2,
                'min':                 6,
                'max':                 72,
                'affected':            'p',
                'style':             'font-size'
            });

The execute function is launched whenever this command is executed:

4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
            command.execute = function($that, options){
                $that.on( 'click', function(){
                    $element.find(options.affected).each( function(){
                        var newsize = parseInt($(this).css(options.style)) + parseInt(options.steps);
                        if (newsize >= parseInt(options.min) && newsize <= parseInt(options.max) ){
                            $(this).css(options.style, newsize );
                        }
                    });
                    plugin.triggerEvent('changed', $that, options);
                    return false;
                });
            };
            return command;
        }());
Remove Command

The remove command is used to completely remove the element from the DOM.

4303
        plugin.commands.remove = (function(){

Create an object that contains all of our data and functionality.

4307
            var command = {};

This are the command defaults:

4311
4312
4313
            plugin.addCommandDefaults('remove', {
                'delay':            0
            });

The execute function is launched whenever this command is executed:

4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
            command.execute = function($that, options){
                $that.delay(options.delay).hide(0, function(){
                    $that.remove();
                    plugin.triggerEvent('complete', $that, options);
                });
            };
            return command;
        }());
Loop Command

The loop command does the sam thing as the showandhide command, but repeats itself again, and again … actually, pretty much forever. Oh, and lease don’t use it as a blink tag!!!

4336
        plugin.commands.loop = (function(){

Create an object that contains all of our data and functionality.

4340
            var command = {};

This are the command defaults:

4344
4345
4346
4347
4348
4349
4350
4351
4352
            plugin.addCommandDefaults('loop', {
                'speed1':            500,
                'speed2':            500,
                'duration1':        2000,
                'duration2':        2000,
                'easing1':            'linear',
                'easing2':            'linear',
                'animation':        'fade'
            });

The execute function is launched whenever this command is executed:

4356
4357
4358
            command.execute = function($that, options){
                loop($that.hide(), options);
            };

The local loop function is used by the loop the command and basically just shows and hides and element and than starts the next interval.

4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
            var loop = function($that, options){
                if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && ($that.jKit_inViewport() || !$that.jKit_inViewport && plugin.settings.ignoreViewport)){
                    plugin.triggerEvent('show', $that, options);
                    $that.jKit_effect(true, options.animation, options.speed1, options.easing1, options.duration1, function(){
                        plugin.triggerEvent('hide', $that, options);
                        $that.jKit_effect(false, options.animation, options.speed2, options.easing2, options.duration2, loop($that, options));
                    });
                } else {
                    window.setTimeout( function() { loop($that, options); }, 100);
                }
            };
            return command;
        }());
Ticker Command

The ticker command goes through each item of a list and reveals the item one character at a time.

4390
        plugin.commands.ticker = (function(){

Create an object that contains all of our data and functionality.

4394
            var command = {};

This are the command defaults:

4398
4399
4400
4401
4402
            plugin.addCommandDefaults('ticker', {
                'speed':             100,
                'delay':             2000,
                'loop':             'yes'
            });

The execute function is launched whenever this command is executed:

4406
4407
4408
            command.execute = function($that, options){
                var containerTag = plugin.findElementTag($that, '>', 'max', 'li');

Create an array with objects that contain all useful information of a single ticker item:

4412
4413
4414
4415
4416
4417
4418
4419
4420
                var messages = [];
                $that.find(containerTag).each( function(){
                    messages.push({
                        'href': $(this).find('a').attr('href'),
                        'target': $(this).find('a').attr('target'),
                        'text': $(this).text()
                    });
                });

Replace the target element with a DIV and start the ticker function:

4424
4425
4426
4427
4428
                var $newThat = $('<div/>');
                $that.replaceWith($newThat);
                window.setTimeout( function() { ticker($newThat, options, messages, 0, 0); }, 0);
            };

The ticker function runs the ticker.

4432
            var ticker = function($el, options, messages, currentmessage, currentchar){

The stopped variable is used in case the ticker isn’t looped:

4436
                var stopped = false;

We only run the ticker animation if the element is inside the viewport and the window in focus:

4440
4441
4442
4443
                if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && ($el.jKit_inViewport() || !$el.jKit_inViewport() && plugin.settings.ignoreViewport)){
                    var timer =  options.speed;
                    currentchar++;

Check if we’re at the end of the current ticker message. If yes, start with the next message:

4447
4448
4449
4450
4451
4452
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                    if (currentchar > messages[currentmessage].text.length){
                        timer = options.delay;
                        currentmessage++;
                        if (currentmessage >= messages.length){
                            if (options.loop == 'yes' && messages.length > 1){
                                currentmessage = 0;
                            } else {
                                stopped = true;
                            }
                        }
                        if (!stopped){
                            setTimeout( function(){
                                plugin.triggerEvent('showentry showentry'+(currentmessage+1), $el, options);
                            }, timer);
                            currentchar = 0;
                        }

We are still on the same message, so just display the current amaount of characters, either inside a link or as text:

4471
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                    } else {
                        if (messages[currentmessage].href != undefined){
                            $el.html('<a href="'+messages[currentmessage].href+'" target="'+messages[currentmessage].target+'">'+messages[currentmessage].text.substr(0,currentchar)+'</a>');
                        } else {
                            $el.html(messages[currentmessage].text.substr(0,currentchar));
                        }
                    }
                }

Set a timeout that starts the next step:

4482
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                if (!stopped){
                    window.setTimeout( function() { ticker($el, options, messages, currentmessage, currentchar); }, timer);
                }
            };
            return command;
        }());

The carousel command is used to display a subset of elements like a carousel, new one in, old one out.

4498
        plugin.commands.carousel = (function(){

Create an object that contains all of our data and functionality.

4502
            var command = {};

This are the command defaults:

4506
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            plugin.addCommandDefaults('carousel', {
                'autoplay':         "yes",
                'limit':             5,
                'animation':        'grow',
                'speed':            250,
                'easing':            'linear',
                'interval':            5000,
                'prevhtml':            '<',
                'nexthtml':            '>'
            });

The execute function is launched whenever this command is executed:

4519
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            command.execute = function($that, options){
                var s = plugin.settings;
                var cnt = 0;

First hide all elements that are over our limit of elements we want to show:

4527
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                $that.children().each( function(){
                    cnt++;
                    if (cnt > options.limit){
                        $(this).hide();
                    }
                });

Add our prev and next button elements so the user can control the carousel:

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                var $prevdiv = $('<a/>', {
                    'class': s.prefix+'-carousel-prev'
                }).html(options.prevhtml).on( 'click left', function(){
                    carousel($that, options, 'prev');
                }).insertAfter($that);
                var $nextdiv = $('<a/>', {
                    'class': s.prefix+'-carousel-next'
                }).html(options.nexthtml).on( 'click right', function(){
                    carousel($that, options, 'next');
                }).insertAfter($that);

Add some additional keyboard events:

4550
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                plugin.addKeypressEvents($prevdiv, 'left');
                plugin.addKeypressEvents($nextdiv, 'right');

Start autoplay if needed:

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                if (options.autoplay == 'yes'){
                    window.setTimeout( function() { carousel($that, options); }, options.interval);
                }
            };

The carousel function moves the carousel either one forward, or one backward.

4564
            carousel = function($el, options, dir){

Every manual interaction stops the autoplay:

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                if (dir != undefined){
                    options.autoplay = false;
                }

Only run the carousel if we’re inside the viewport and the window has focus:

4574
                if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && ($el.jKit_inViewport() || !$el.jKit_inViewport() && plugin.settings.ignoreViewport)){

Check if we’re in the middle of an animation:

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                    var isAnimated = false;
                    $el.children().each( function(){
                        if ( $(this).is(':animated') ) {
                            isAnimated = true;
                        }
                    });

We only move the carousel if it isn’t animating right now:

4587
                    if (!isAnimated) {

What number is the last element?

4591
                        var pos = Math.min(options.limit, $el.children().length);

Step one forward:

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                        if (dir == 'next' || dir == undefined) {
                            plugin.triggerEvent('shownext', $el, options);
                            $el.children(':first-child').jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                                $el.append($el.children(':nth-child(1)'));
                                $el.children(':nth-child('+pos+')').jKit_effect(true, options.animation, options.speed, options.easing, 0);
                            });

Step one backward:

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                        } else if (dir == 'prev') {
                            plugin.triggerEvent('showprev', $el, options);
                            $el.children(':nth-child('+pos+')').jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                                $el.prepend( $el.children(':last-child') );
                                $el.children(':first-child').jKit_effect(true, options.animation, options.speed, options.easing, 0);
                            });
                        }
                    }

Is autoplay is on? Than set the interval:

4621
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4633
                    if (options.autoplay == 'yes'){
                        window.setTimeout( function() { carousel($el, options); }, options.interval);
                    }
                } else {
                    window.setTimeout( function() { carousel($el, options); }, options.interval);
                }
            };
            return command;
        }());
Paginate Command

The paginate command lets you create paginated content.

4640
        plugin.commands.paginate = (function(){

Create an object that contains all of our data and functionality.

4644
            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('paginate', {
                'limit':             '25',
                'by':                 'node',
                'container':         '',
                'animation':        'none',
                'speed':            250,
                'easing':            'linear',
                'pos':                 'after'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;
                if (options.container != ''){
                    var $container = $that.find(options.container);
                } else {
                    var $container = $that;
                }
                if ($that.attr('id') !== undefined){
                    var paginateid = s.prefix+'-paginate-'+$that.attr('id');
                } else {
                    var paginateid = s.prefix+'-paginate-uid-'+(++uid);
                }
                var pages = [];
                var page = [];

Paginate has two ways to operate, either by node count or by actual element height in pixels. In the node mode we put a specific amount of DOM nodes into each entry of the pages array. In the height mode we actually measure the height of each element and only put DOM nodes into the current page that actually fit into the maximum height the user has set.

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                if (options.by == 'node'){
                    var cnt = 1;
                    $container.children().each( function(){
                        cnt++;
                        page.push($(this).detach());
                        if (cnt > Number(options.limit)){
                            cnt = 1;
                            pages.push(page);
                            page = [];
                        }
                    });
                } else {
                    var height = 0;
                    $container.children().each( function(){
                        height += $(this).outerHeight();
                        if (height > Number(options.limit)){
                            height = $(this).outerHeight();
                            if (page.length > 0){
                                pages.push(page);
                            }
                            page = [];
                        }
                        page.push($(this).detach());
                    });
                }
                if (page.length > 0){
                    pages.push(page);
                }
                if (pages.length > 1){

Now as we have the pages set up correctly and we actually have more than one, it’s time to create the output DOM structure. The main element always gets the page data and the actuall pagination is an unordered list we insert after that element.

4733
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                    var $pagination = $('<ul/>', { 'id': paginateid, 'class': s.prefix+'-pagination' });
                    $.each( pages, function(i,v){
                        var $pnav = $('<li/>').html(i+1).on( 'click', function(){
                            plugin.triggerEvent('showpage showpage'+(i+1), $that, options);
                            $pagination.find('li').removeClass(s.activeClass);
                            $(this).addClass(s.activeClass);
                            $container.jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                                $container.html('');
                                $.each(v, function(index, value){
                                    value.clone().appendTo($container);
                                });
                                $container.jKit_effect(true, options.animation, options.speed, options.easing, 0);
                            });
                        });
                        if (i == 0){
                            $pnav.addClass(s.activeClass);
                        }
                        $pnav.appendTo($pagination);
                    });
                    if (options.pos == 'after'){
                        $pagination.insertAfter($that);
                    } else {
                        $pagination.insertBefore($that);
                    }
                    $container.html('');
                    $.each(pages[0], function(index, value){
                        value.clone().appendTo($container);
                    });
                }
            };

Add local functions and variables here …

4778
4779
4780
            return command;
        }());
Summary Command

The summary command creates a summary on specific content, for example the headers in a content div. The summary itself is either a linked list or a dropdown with automated events.

4788
        plugin.commands.summary = (function(){

Create an object that contains all of our data and functionality.

4792
            var command = {};

This are the command defaults:

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4800
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4803
            plugin.addCommandDefaults('summary', {
                'what':             '',
                'linked':             'yes',
                'from':             '',
                'scope':             'children',
                'style':             'ul',
                'indent':             'no'
            });

The execute function is launched whenever this command is executed:

4807
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            command.execute = function($that, options){
                var s = plugin.settings;
                var output = '';
                var jumpid = '';
                var pre = ''
                if (options.scope == 'children'){
                    pre = '> ';
                }
                if (options.what == 'headers'){
                    options.what = ':header';
                }
                $(options.from).find(pre+options.what).each( function(){
                    var $current = $(this);

If we’re using all headers for our summary, than we have to do some extra work to get them indented correctly.

4830
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4833
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4836
4837
4838
4839
                    var space = '';
                    if (options.what == ':header' && options.indent == 'yes'){
                        var tag = $current.prop('tagName');
                        if (tag.length == 2 && tag[1] != ''){
                            var spaces = tag[1]-1;
                            for (var i=1; i<=spaces;i++){
                                space += '    ';
                            }
                        }
                    }

A summary can either be linked or just text:

4843
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                    if (options.linked == 'yes'){
                        if ($current.attr('id') !== undefined){
                            var id = $current.attr('id');
                        } else {
                            var id = s.prefix+'-uid-'+(++uid);
                            $current.attr('id', id);
                        }
                        if (window.location.hash == '#'+id){
                            jumpid = id;
                        }
                        if (options.style == 'select'){
                            output += '<option value="'+id+'">'+space+$(this).text()+'</option>';
                        } else {
                            output += '<li><a href="#'+id+'">'+space+$(this).text()+'</a></li>';
                        }
                    } else {
                        if (options.style == 'select'){
                            output += '<option value="">'+space+$(this).text()+'</option>';
                        } else {
                            output += '<li>'+space+$(this).text()+'</li>';
                        }
                    }
                });
                if (output != ''){
                    $that.html('<'+options.style+'>'+output+'</'+options.style+'>');

In case this is a dropdown summary that is linked, we have to manually add an event on change so we can jump to the anchors as needed:

4878
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4881
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4883
                    if (options.style == 'select' && options.linked == 'yes'){
                        $that.find('select').on( 'change', function(){
                            window.location.hash = '#'+$(this).val();
                            $(this).blur();
                        });
                    }

And lastly if we create a select and have detected a hash, we need to set that select to the correct value and jump to the correct element:

4888
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4900
4901
4902
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4905
                    if (options.style == 'select' && options.linked == 'yes' && jumpid != ''){
                        $that.find('select').val(jumpid);
                        if ($that.find('#'+jumpid).offset() !== undefined){
                            var ypos = $that.find('#'+jumpid).offset().top;
                            $('html, body').css({ scrollTop: ypos+'px' });
                        }
                    }
                }
            };
            return command;
        }());

The gallery command takes a bunch of images and creates a gallery out of it.

4913
        plugin.commands.gallery = (function(){

Create an object that contains all of our data and functionality.

4917
            var command = {};

This are the command defaults:

4921
4922
4923
4924
4925
4926
4927
4928
4929
            plugin.addCommandDefaults('gallery', {
                'active':            1,
                'event':            'click',
                'showcaptions':        'yes',
                'animation':        'none',
                'speed':            500,
                'easing':            'linear',
                'lightbox':         'no'
            });

The execute function is launched whenever this command is executed:

4933
4934
4935
4936
            command.execute = function($that, options){
                var s = plugin.settings;
                var type = 'gallery';

First get all images into an array:

4940
                var images = $that.children();

Now put the active image only into the original element:

4944
                $that.html($that.children(':nth-child('+options.active+')').clone());

In case we need additional lightbox functionality, add it:

4948
4949
4950
                if (options.lightbox == 'yes'){
                    plugin.executeCommand($that.find('img'), 'lightbox', {});
                }

Create the element that will contain the thumbnails and insert it after the gallery:

4954
4955
4956
                var $thumbdiv = $('<div/>', {
                    id: s.prefix+'-'+$that.attr('id')+'-'+type+'-thumbs'
                }).addClass(s.prefix+'-'+type+'-thumbs').insertAfter($that);

In case we want to show image captions, create an element for it:

4960
4961
4962
4963
4964
                if (options.showcaptions == 'yes'){
                    var $captiondiv = $('<div/>', {
                        id: s.prefix+'-'+$that.attr('id')+'-'+type+'-captions'
                    }).addClass(s.prefix+'-'+type+'-captions').text($(images[options.active-1]).attr('title')).insertAfter($that);
                }

Now loop through all images and add them to the thumbnail div. Add the correct events and animations to each of them and optionally the lightbox functionality.

4969
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                $.each( images, function(index, value){
                    if (options.event != 'click' && options.lightbox == 'yes'){
                        plugin.executeCommand($(value), 'lightbox', { 'group': s.prefix+'-'+$that.attr('id')+'-'+type });
                    }
                    if (options.active-1 == index){
                        $(value).addClass(s.activeClass);
                    }
                    $(value)
                        .on( options.event, function() {
                            plugin.triggerEvent('hideentry', $that, options);
                            $that.jKit_effect(false, options.animation, options.speed, options.easing, 0, function(){
                                $that.find('img').attr('src', $(value).attr('src'));
                                if (options.lightbox == 'yes'){
                                    plugin.executeCommand($that.find('img').unbind('click'), 'lightbox', {});
                                }
                                plugin.triggerEvent('showentry showentry'+(index+1), $that, options);
                                $that.jKit_effect(true, options.animation, options.speed, options.easing, 0);
                                $thumbdiv.find('img').removeClass(s.activeClass);
                                $(value).addClass(s.activeClass);
                                if (options.showcaptions == 'yes'){
                                    $captiondiv.text($(value).attr('title'));
                                }
                            });
                        })
                        .css({ 'cursor': 'pointer' })
                        .appendTo($thumbdiv);
                });
            };
            return command;
        }());
Background Command

The background command adds an image to the background that is scaled to the full width and height of the window, either skewed or just zoomed.

5019
        plugin.commands.background = (function(){

Create an object that contains all of our data and functionality.

5023
            var command = {};

This are the command defaults:

5027
5028
5029
            plugin.addCommandDefaults('background', {
                'distort':            'no'
            });

The execute function is launched whenever this command is executed:

5033
5034
5035
            command.execute = function($that, options){
                var s = plugin.settings;

Create a background element with a negative z-index that is scaled to the full size of the window:

5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
                var $bg = $('<div/>', {
                    id: s.prefix+'-background'
                }).css({
                    'position': 'fixed',
                    'right': '0px',
                    'top': '0px',
                    'overflow': 'hidden',
                    'z-index': '-1',
                    'width': $(window).width(),
                    'height': $(window).height()
                }).appendTo('body');
                $bg.append($that);
                var ow = $that.attr('width');
                var oh = $that.attr('height');

Do the correct scaling of the image:

5058
                scaleFit($bg, $that, ow, oh, options.distort);

Rescale the image in case the window size changes:

5062
5063
5064
5065
5066
5067
                $(window).resize(function() {
                    scaleFit($bg, $that, ow, oh, options.distort);
                    plugin.triggerEvent('resized', $that, options);
                });
            };

The scaleFit function calculates the correct with, height of the image relative to the window and the correct position inside that window based on those dimensions.

5073
            scaleFit = function(bg, element, originalWidth, originalHeight, distort){

First set some basic values. We basically just scale the image to the full width and height of the window.

5078
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5085
5086
5087
                var w = $(window).width();
                var h = $(window).height();
                bg.css({
                    'width': w+'px',
                    'height': h+'px'
                });
                var top = 0;
                var left = 0;

If we don’t want to distort the image, we now have to do some additional calculations:

5091
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5099
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5101
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5118
                if (distort == 'no'){
                    var imgRatio = originalWidth / originalHeight;
                    var screenRatio = w / h;
                    if (imgRatio > screenRatio){
                        w = h * imgRatio;
                        left = (w - $(window).width()) / 2 * -1;
                    } else {
                        h = w / imgRatio;
                        top = (h - $(window).height()) / 2 * -1;
                    }
                }
                element.css({
                    'position': 'fixed',
                    'top': top+'px',
                    'left': left+'px',
                    'width': w+'px',
                    'height': h+'px'
                });
            };
            return command;
        }());
Command Template

This is a template for commands. It should be used as a starting point to create new commands.

5125
        plugin.commands.live = (function(){

Create an object that contains all of our data and functionality.

5129
            var command = {};

This are the command defaults:

5133
5134
5135
            plugin.addCommandDefaults('live', {
                'interval':         60
            });

The execute function is launched whenever this command is executed:

5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
            command.execute = function($that, options){
                if ($that.attr('src') !== undefined) {
                    window.setInterval( function() {
                        updateSrc($that, options);
                        plugin.triggerEvent('reloaded', $that, options);
                    }, options.interval*1000);
                }
            };

The updateSrc function changes the src url in a way that forces the browser to reload the src from the server.

5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
            var updateSrc = function($el, options){
                if ((windowhasfocus || !windowhasfocus && plugin.settings.ignoreFocus) && ($el.jKit_inViewport() || !$el.jKit_inViewport() && plugin.settings.ignoreViewport)){
                    var srcSplit = $el.attr('src').split('?');
                    $el.attr('src', srcSplit[0]+'?t='+$.fn.jKit_getUnixtime());
                }
            };
            return command;
        }());

The lightbox command can be used to overlay a bigger version of an image on click, content in an overlayed iframe or to display a modal dialog box above the content.

5176
        plugin.commands.lightbox = (function(){

Create an object that contains all of our data and functionality.

5180
5181
5182
            var command = {};
            var lightboxes = {};

This are the command defaults:

5186
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5189
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5193
5194
5195
5196
5197
5198
            plugin.addCommandDefaults('lightbox', {
                'speed':             500,
                'opacity':             0.7,
                'clearance':         200,
                'closer':             'x',
                'next':             '>',
                'prev':             '<',
                'modal':             'no',
                'width':             '',
                'height':             '',
                'titleHeight':         20,
                'group':             ''
            });

The execute function is launched whenever this command is executed:

5202
5203
5204
5205
            command.execute = function($that, options){
                var s = plugin.settings;
                var type = 'lightbox';

First we need to find out what the source is we’re going to display in the lightbox. If the href is set, we take that one, if not we check the src attribute and if that’s not set, we check if the element has a background image:

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                var src = '';
                if ($that.attr('href') !== undefined) src = $that.attr('href');
                if (src == '' && $that.attr('src') !== undefined) src = $that.attr('src');
                if (src == '' && $that.css('background-image') !== undefined){
                    src = $that.css('background-image').replace('"','').replace('"','').replace('url(','').replace(')','');
                }

In case we didn’t find a source, we just ignore this command:

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                if (src != ''){

A lightbox can be part of a group of lightbox content, for example to display a gallery of image. To achive this feature, we’re using an array that is set on plugin init and available thoughout the whole plugin.

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                    if (options.group != ''){
                        if (lightboxes[options.group] == undefined){
                            lightboxes[options.group] = [];
                        }
                        lightboxes[options.group].push($that);
                    }

A lightbox will always open on click:

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                    $that.on( 'click', function() {
                        plugin.triggerEvent('clicked', $that, options);

If this is not a modal window, we have to create an overlay that darkens the whole content:

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                        if (options.modal == 'no'){
                            var $overlay = $('<div/>', {
                                id: s.prefix+'-'+type+'-bg',
                                'class': s.prefix+'-'+type+'-closer '+s.prefix+'-'+type+'-el'
                            }).fadeTo(options.speed, options.opacity).appendTo('body');
                        }

We need another DIV for the content that’s placed right above the overlay:

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                        var $content = $('<div/>', {
                            id: s.prefix+'-'+type+'-content',
                            'class': s.prefix+'-'+type+'-el'
                        }).fadeTo(0,0.01).appendTo('body');

iOS devices need a small hack to display the content correctly in case the page is scrolled:

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                        if ($.fn.jKit_iOS()) $content.css('top', $(window).scrollTop()+'px');

If there’s a fixed width or height set in the options, we have to overwrite the default css values and fix the alignement:

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                        if (options.width != ''){
                            $content.css({ 'width': options.width });
                            $content.css({ 'left': (($(window).width() - $content.outerWidth()) / 2) + 'px' });
                        }
                        if (options.height != ''){
                            $content.css({ 'height': options.height });
                            $content.css({ 'top': (($(window).height() - $content.outerHeight()) / 2) + 'px' });
                        }

Time to create the DOM nodes that contain the navigational elements and close button:

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                        var $nav = $('<div/>', {
                            id: s.prefix+'-'+type+'-nav',
                            'class': s.prefix+'-'+type+'-el'
                        }).hide().fadeTo(options.speed, 1).appendTo('body');
                        var $closer = $('<span/>', {
                            'class': s.prefix+'-'+type+'-closer'
                        }).html(options.closer).prependTo($nav);

The navigational element has to be placed based on the content element:

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                        var offset = $content.offset();
                        $nav.css({
                            'top': (offset.top-options.titleHeight-$(window).scrollTop())+'px',
                            'left': (offset.left+$content.outerWidth()-$nav.width())+'px'
                        });

In case this one is part of a group, we need to create the navigation and bind all the needed events to it. Both, the left and the right navigation isn’t always needed, so we have to check for those cases, as well.

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                        if (options.group != ''){
                            var $next = $('<span/>', {
                                id: s.prefix+'-'+type+'-nav-next'
                            }).prependTo($nav);
                            var $prev = $('<span/>', {
                                id: s.prefix+'-'+type+'-nav-prev'
                            }).prependTo($nav);
                            plugin.addKeypressEvents($next, 'right');
                            plugin.addKeypressEvents($prev, 'left');
                            if (lightboxes[options.group][lightboxes[options.group].length-1] != $that){
                                $next.html(options.next).on( 'click right', function(){
                                    $.each(lightboxes[options.group], function(i,v){
                                        if (v == $that){
                                            $('.'+plugin.settings.prefix+'-'+type+'-el').fadeTo(options.speed, 0, function(){
                                                $(this).remove();
                                            });
                                            lightboxes[options.group][i+1].click();
                                        }
                                    });
                                });
                            }
                            if (lightboxes[options.group][0] != $that){
                                $prev.html(options.prev).on( 'click left', function(){
                                    $.each(lightboxes[options.group], function(i,v){
                                        if (v == $that){
                                            $('.'+plugin.settings.prefix+'-'+type+'-el').fadeTo(options.speed, 0, function(){
                                                $(this).remove();
                                            });
                                            lightboxes[options.group][i-1].click();
                                        }
                                    });
                                });
                            }
                        }

The last element we have to create and poistion corrently is the optional content title:

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                        $title = $('<div/>', {
                            id: s.prefix+'-'+type+'-title',
                            'class': s.prefix+'-'+type+'-el'
                        }).css({
                            'top': (offset.top-options.titleHeight-$(window).scrollTop())+'px',
                            'left': (offset.left)+'px',
                            'width': $content.width()+'px'
                        }).hide().text($that.attr('title')).fadeTo(options.speed, 1).appendTo('body');

Because IE is a stupid browser and doesn’t fire the load element correctly in older versions if the image is already in the cash, we have to force load a new version of the image:

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                        if (!$.support.leadingWhitespace){
                            src = src+ "?" + new Date().getTime();
                        }

Time to load the image or iframe content. The little trick here is to always try to load an image, even if there isn’t one supplied, because this way we can use the error callback to find out if we actually have an image or not. As soon as the load event has fired, we can get the width an height and will be able to calculate all the placement and scaling information we need.

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                        var img = new Image();
                        $(img)
                            .load(function () {
                                var scalex = ($(this).outerWidth() + options.clearance) / $(window).width();
                                var scaley = ($(this).outerHeight() + options.clearance) / $(window).height();
                                var scale = Math.max(scalex,scaley);
                                if (scale > 1){
                                    var oh = $(this).height();
                                    $(this).width($(this).width() / scale);
                                    $(this).height(oh / scale);
                                }
                                var xmargin = ( $(window).width() - $(this).outerWidth() ) / 2;
                                var ymargin = ( $(window).height() - $(this).outerHeight() ) / 2;
                                $content
                                    .width($(this).width())
                                    .height($(this).height())
                                    .css({ 'left': xmargin+'px', 'top': ymargin+'px' })
                                    .fadeTo(options.speed, 1);
                                $(this).hide().fadeTo(options.speed, 1);
                                if ($that.attr('title') != ''){
                                    $title.css({
                                        'top': (ymargin-options.titleHeight)+'px',
                                        'left': xmargin+'px',
                                        'width': $(this).width()+'px'
                                    });
                                }
                                $nav.css({
                                    'top': (ymargin-options.titleHeight)+'px',
                                    'left': (xmargin+$content.outerWidth()-$nav.width())+'px'
                                });
                            })
                            .attr('src', src)
                            .appendTo($content)
                            .error(function(){
                                $content.html('<iframe id="'+s.prefix+'-'+type+'-iframe" src="'+src+'" style="border:none;width:100%;height:100%"></iframe>').fadeTo(options.speed, 1);
                            });

And finally, we make our closing button functional:

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                        $('.'+s.prefix+'-'+type+'-closer').click(function(){
                            $('.'+s.prefix+'-'+type+'-el').fadeTo(options.speed, 0, function(){
                                $(this).remove();
                            });
                        });

Return false so that we stay on the current page:

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                        return false;
                    });
                }
            };

The closeLightbox function is used to close the active lightbox programmatically from inside the lightbox content.

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            plugin.closeLightbox = function(){
                $('.'+plugin.settings.prefix+'-lightbox-el').fadeTo('fast', 0, function(){
                    $(this).remove();
                });
            };
            return command;
        }());

The menu command adds some additional features to a CSS based menu.

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        plugin.commands.menu = (function(){

Create an object that contains all of our data and functionality.

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            var command = {};

This are the command defaults:

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            plugin.addCommandDefaults('menu', {
                'autoactive':         'no'
            });

The execute function is launched whenever this command is executed:

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            command.execute = function($that, options){
                var s = plugin.settings;

Add an active class to the menu link that matches the current page url:

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                if (options.autoactive == 'yes'){
                    var path = window.location.toString().split('#')[0].split("/");
                    $that.find("a").filter(function() {
                        return $(this).attr("href") == path[path.length-1];
                    }).addClass(s.activeClass);
                }

Add mouseover events and a click event for touch devices:

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                $that.find("li").hover(function(){
                    $(this).addClass("hover");
                    $('ul:first',this).css('visibility', 'visible');
                }, function(){
                    $(this).removeClass("hover");
                    $('ul:first',this).css('visibility', 'hidden');
                }).on( 'click', function(){
                    $(this).addClass("hover");
                    $('ul:first',this).css('visibility', 'visible');
                });
            };
            return command;
        }());

Start the plugin by running the initialization function:

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        plugin.init();
    };

jQuery Plugin Functions

The following functions act as jQuery plugins.

jKit_effect

The jKit_effect plugin function is used by all kind of jKit commands that perform animations.

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    $.fn.jKit_effect = function(show, type, speed, easing, delay, fn){

This is a real jQuery plugin, so make sure chaining works:

5518
        return this.each(function() {

Do we have to call a callback function? If not, just create an empty one:

5522
            if (fn == undefined) fn = function(){};

If we didn’t set a delay, set the delay variable to zero:

5526
            if (delay == undefined) delay = 0;

We now have all we need, so run the animation we need:

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            if (type == 'fade'){
                if (show){
                    $(this).delay(delay).fadeTo(speed, 1.0, easing, fn);
                } else {
                    $(this).delay(delay).fadeTo(speed, 0, easing, fn);
                }
            } else if (type == 'slide'){
                if (show){
                    $(this).delay(delay).slideDown(speed, easing, fn);
                } else {
                    $(this).delay(delay).slideUp(speed, easing, fn);
                }
            } else if (type == 'none'){
                if (show){
                    $(this).delay(delay).show();
                } else {
                    $(this).delay(delay).hide();
                }
                fn();
            } else {
                if (show){
                    $(this).delay(delay).show(speed, easing, fn);
                } else {
                    $(this).delay(delay).hide(speed, easing, fn);
                }
            }
        });
    };

jKit_getUnixtime

The jKit_getUnixtime plugin function returns an unix timestamp based on the current date.

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    $.fn.jKit_getUnixtime = function(){
        var now = new Date;
        var unixtime_ms = now.getTime();
        return parseInt(unixtime_ms / 1000);
    };

jKit_arrayShuffle

The jKit_arrayShuffle plugin function is used to shuffle an array randomly.

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    $.fn.jKit_arrayShuffle = function(arr){
        var tmp, rand;
        for(var i =0; i < arr.length; i++){
            rand = Math.floor(Math.random() * arr.length);
            tmp = arr[i];
            arr[i] = arr[rand];
            arr[rand] = tmp;
        }
        return arr;
    };

jKit_stringOccurrences

The jKit_stringOccurrences plugin function is used to count the times a string is found inside another string.

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    $.fn.jKit_stringOccurrences = function(string, substring){
        var n = 0;
        var pos = 0;
        while (true){
            pos = string.indexOf(substring, pos);
            if (pos != -1) {
                n++;
                pos += substring.length;
            } else {
                break;
            }
        }
        return (n);
    };

jKit_emailCheck

The jKit_emailCheck plugin function is used by the validation command to check if an email address is valid.

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    $.fn.jKit_emailCheck = function(string){
        var filter = /^[a-z0-9._-]+@([a-z0-9_-]+.)+[a-z]{2,6}$/i;
        return filter.test(string);
    };

jKit_urlCheck

The jKit_urlCheck plugin function is used by the validation command to check if an url is valid.

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    $.fn.jKit_urlCheck = function(string){
        var filter = /^(?:(ftp|http|https)://)?(?:[w-]+.)+[a-z]{2,6}$/i;
        return filter.test(string);
    };

jKit_dateCheck

The jKit_dateCheck plugin function is used by the validation command to check if the date string is valid.

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    $.fn.jKit_dateCheck = function(string){
        var filter = /^[0-9]{2}.[0-9]{2}.[0-9]{2}$/i;
        return filter.test(string);
    };

jKit_timeCheck

The jKit_timeCheck plugin function is used by the validation command to check if the time string is valid.

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    $.fn.jKit_timeCheck = function(string){
        var filter = /^[0-9]{1,2}:[0-9]{2}$/i;
        return filter.test(string);
    };

jKit_phoneCheck

The jKit_phoneCheck plugin function is used by the validation command to check if the phone string is valid.

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    $.fn.jKit_phoneCheck = function(string){
        var filter = /^(+|0)[d ]+(-d*)?d$/;
        return filter.test(string);
    };

jKit_passwordStrength

The jKit_passwordStrength plugin function is used by the validation command to check if the password strength is good enough. The function calculates a score from 0 to 100 based on various checks.

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    $.fn.jKit_passwordStrength = function(passwd){
        var intScore = 0
        if (passwd.length < 5){
            intScore = intScore + 5;
        } else if (passwd.length > 4 && passwd.length < 8){
            intScore = intScore + 15;
        } else if (passwd.length >= 8){
            intScore = intScore + 30;
        }
        if (passwd.match(/[a-z]/)) intScore = intScore + 5;
        if (passwd.match(/[A-Z]/)) intScore = intScore + 10;
        if (passwd.match(/d+/)) intScore = intScore + 10;
        if (passwd.match(/(.*[0-9].*[0-9].*[0-9])/)) intScore = intScore + 10;
        if (passwd.match(/.[!,@,#,$,%,^,&,*,?,_,~]/)) intScore = intScore + 10;
        if (passwd.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) intScore = intScore + 10;
        if (passwd.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/)) intScore = intScore + 5;
        if (passwd.match(/([a-zA-Z])/) && passwd.match(/([0-9])/)) intScore = intScore + 5;
        if (passwd.match(/([a-zA-Z0-9].*[!,@,#,$,%,^,&,*,?,_,~])|([!,@,#,$,%,^,&,*,?,_,~].*[a-zA-Z0-9])/)) intScore = intScore + 5;
        return intScore;
    };

jKit_getAttributes

The jKit_getAttributes plugin function returns an array with all attributes that are set on a specific DOM node.

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    $.fn.jKit_getAttributes = function(){
        return this.each(function() {
            var map = {};
            var attributes = $(this)[0].attributes;
            var aLength = attributes.length;
            for (var a = 0; a < aLength; a++) {
                    map[attributes[a].name.toLowerCase()] = attributes[a].value;
            }
            return map;
        });
    };

jKit_setAttributes

The jKit_setAttributes plugin function creates a set of supplied attributes on an emelemnt.

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    $.fn.jKit_setAttributes = function(attr){
        return this.each(function() {
            $.each( attr, function(i,v){
                try {
                    $(this).attr(String(i),String(v));
                } catch(err) {}
            });
        });
    };

jKit_iOS

The jKit_iOS plugin function checks the user agent if the current device runs iOS.

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    $.fn.jKit_iOS = function(){
        return navigator.userAgent.match(/(iPod|iPhone|iPad)/i);
    };

jKit_belowTheFold

The jKit_belowTheFold plugin function checks if the supplied element is below the page fold.

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    $.fn.jKit_belowTheFold = function(){
        var fold = $(window).height() + $(window).scrollTop();
        return fold <= $(this).offset().top;
    };

jKit_aboveTheTop

The jKit_aboveTheTop plugin function checks if the supplied element is above the top of the currently visible part of the page.

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    $.fn.jKit_aboveTheTop = function(){
        var top = $(window).scrollTop();
        return top >= $(this).offset().top + $(this).height();
    };

jKit_rightOfScreen

The jKit_rightOfScreen plugin function checks if the supplied element is right from the current voiewport.

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    $.fn.jKit_rightOfScreen = function(){
        var fold = $(window).width() + $(window).scrollLeft();
        return fold <= $(this).offset().left;
    };

jKit_leftOfScreen

The jKit_leftOfScreen plugin function checks if the supplied element is left from the current voiewport.

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    $.fn.jKit_leftOfScreen = function(){
        var left = $(window).scrollLeft();
        return left >= $(this).offset().left + $(this).width();
    };

jKit_inViewport

The jKit_inViewport plugin function checks if the supplied element is inside the viewport.

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    $.fn.jKit_inViewport = function(){
        return !$(this).jKit_belowTheFold() && !$(this).jKit_aboveTheTop() && !$(this).jKit_rightOfScreen() && !$(this).jKit_leftOfScreen();
    };

jKit

The jKit function registers jKit as a jQuery plugin.

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    $.fn.jKit = function(options, moreoptions) {
        return this.each(function() {
            var plugin = new $.jKit(this, options, moreoptions);
            $(this).data('jKit', plugin);
        });
    };
})(jQuery);