/*
* jQuery ExpandCollapse Plugin
* 
* @ Version: 0.2
* 
* @ Author: Kyle Florence (kyle.florence@gmail.com)
* @ Update: August 5, 2009
*
*/
//http://plugins.jquery.com/project/ExpandCollapse
(function ($) {
    // Attach expand/collapse functionality to specified jQuery object(s)
    $.fn.expandCollapse = function (options) {
        // Default settings
        options = $.extend({}, $.fn.expandCollapse.defaults, options);

        // Handle expand/collapse clicks
        $.fn.expandCollapse.doClick = function (event) {
            // Get our elements
            text = event.data.text;
            target = event.data.target;
            trigger = event.data.trigger;
            options = event.data.options;

            // Whether or not the target is hidden
            hidden = (target.is(":hidden") ? true : false);

            // Set updated attributes based on visibility
            tText =
                (hidden ? options.collapseText : options.expandText);
            tAddClass =
                (hidden ? options.collapseClass : options.expandClass);
            tRemoveClass =
                (hidden ? options.expandClass : options.collapseClass);
            tAnimation =
                (hidden ? options.expandAnimation : options.collapseAnimation);
            tDuration =
                (hidden ? options.expandDuration : options.collapseDuration);

            // Animate target
            target.animate(tAnimation, tDuration);

            // Update trigger class if updateClass is on
            if (options.updateClass) {
                trigger.removeClass(tRemoveClass).addClass(tAddClass);
            }

            // Update text if updateText is on
            if (options.updateText) {
                text.text(tText);
            }

            // Make sure we don't go anywhere
            return false;
        };

        // Included in the case of multiple jQuery objects
        return this.each(function () {
            // Automatically hide content if startHidden is on
            if (options.startHidden) $(this).hide();

            // Whether or not this element is hidden
            hidden = ($(this).is(":hidden") ? true : false);

            // Set class and text based on visibility
            tText = (hidden ? options.expandText : options.collapseText);
            tClass = (hidden ? options.expandClass : options.collapseClass);

            // Trigger element was not passed in, create one
            if (!options.triggerElement.length) {
                // Create the trigger element
                triggerElement = $(options.triggerTag).append(
                    $("<a/>").attr({ "href": "#", "title": tText })
                );

                // Assign text if updateText is on
                if (options.updateText) {
                    triggerElement.children().text(tText);
                }

                // Assign class if updateClass is on
                if (options.updateClass) {
                    triggerElement.addClass(tClass);
                }

                // Bind our click event
                triggerElement.bind(
                    'click', {
                        options: options,
                        trigger: triggerElement,
                        text: triggerElement.children(),
                        target: $(this)
                    }, function (event) { return $.fn.expandCollapse.doClick(event); }
                );

                // Append our element to the DOM
                $(this).after(triggerElement);
            }

            // An element has been passed in
            else {
                // Assign textElement to triggerElement if not set
                textElement =
                    ((options.textElement.length) ?
                        options.textElement : options.triggerElement);

                // Assign text if updateText is on
                if (options.updateText) {
                    textElement.text(tText);
                }

                // Assign class if updateClass is on
                if (options.updateClass) {
                    options.triggerElement.addClass(tClass);
                }

                // Bind our click event
                options.triggerElement.bind(
                    'click', {
                        options: options,
                        trigger: options.triggerElement,
                        text: textElement,
                        target: $(this)
                    }, function (event) { return $.fn.expandCollapse.doClick(event); }
                );
            }
        });
    };

    // Default settings
    $.fn.expandCollapse.defaults =
    {
        /*                  Boolean Ooptions                                    */
        updateText: true,
        updateClass: true,
        startHidden: false,

        /*                  Trigger Options                                     */
        triggerTag: "<span/>",
        triggerElement: "",
        expandClass: "expand",
        collapseClass: "collapse",

        /*                  Text Options                                        */
        textElement: "",
        expandText: "more",
        collapseText: "less",

        /*                  Animation Options                                   */
        expandAnimation: { height: "show" },
        collapseAnimation: { height: "hide" },
        expandDuration: 0,
        collapseDuration: 0
    };
})(jQuery);