/**
 * An adapter for Shadowbox and the jQuery JavaScript library.
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * Shadowbox is released under version 3.0 of the Creative Commons Attribution-
 * Noncommercial-Share Alike license. This means that it is absolutely free
 * for personal, noncommercial use provided that you 1) make attribution to the
 * author and 2) release any derivative work under the same or a similar
 * license.
 *
 * If you wish to use Shadowbox for commercial purposes, licensing information
 * can be found at http://mjijackson.com/shadowbox/.
 *
 * @author      Michael J. I. Jackson <mjijackson@gmail.com>
 * @copyright   2007-2008 Michael J. I. Jackson
 * @license     http://creativecommons.org/licenses/by-nc-sa/3.0/
 * @version     SVN: $Id: shadowbox-jquery.js 103 2008-06-27 06:19:21Z mjijackson $
 */

if(typeof jQuery == 'undefined'){
    throw 'Unable to load Shadowbox, jQuery library not found';
}

// create the Shadowbox object first
var Shadowbox = {};

Shadowbox.lib = {

    adapter: 'jquery',

    /**
     * Gets the value of the style on the given element.
     *
     * @param   {HTMLElement}   el      The DOM element
     * @param   {String}        style   The name of the style (e.g. margin-top)
     * @return  {mixed}                 The value of the given style
     * @public
     */
    getStyle: function(el, style){
        return jQuery(el).css(style);
    },

    /**
     * Sets the style on the given element to the given value. May be an
     * object to specify multiple values.
     *
     * @param   {HTMLElement}   el      The DOM element
     * @param   {String/Object} style   The name of the style to set if a
     *                                  string, or an object of name =>
     *                                  value pairs
     * @param   {String}        value   The value to set the given style to
     * @return  void
     * @public
     */
    setStyle: function(el, style, value){
        if(typeof style != 'object'){
            var temp = {};
            temp[style] = value;
            style = temp;
        }
        jQuery(el).css(style);
    },

    /**
     * Gets a reference to the given element.
     *
     * @param   {String/HTMLElement}    el      The element to fetch
     * @return  {HTMLElement}                   A reference to the element
     * @public
     */
    get: function(el){
        return (typeof el == 'string') ? document.getElementById(el) : el;
    },

    /**
     * Removes an element from the DOM.
     *
     * @param   {HTMLElement}           el      The element to remove
     * @return  void
     * @public
     */
    remove: function(el){
        jQuery(el).remove();
    },

    /**
     * Gets the target of the given event. The event object passed will be
     * the same object that is passed to listeners registered with
     * addEvent().
     *
     * @param   {mixed}                 e       The event object
     * @return  {HTMLElement}                   The event's target element
     * @public
     */
    getTarget: function(e){
        return e.target;
    },

    /**
     * Gets the page X/Y coordinates of the mouse event in an [x, y] array.
     * The page coordinates should be relative to the document, and not the
     * viewport. The event object provided here will be the same object that
     * is passed to listeners registered with addEvent().
     *
     * @param   {mixed}         e       The event object
     * @return  {Array}                 The page X/Y coordinates
     * @public
     * @static
     */
    getPageXY: function(e){
        return [e.pageX, e.pageY];
    },

    /**
     * Prevents the event's default behavior. The event object passed will
     * be the same object that is passed to listeners registered with
     * addEvent().
     *
     * @param   {mixed}                 e       The event object
     * @return  void
     * @public
     */
    preventDefault: function(e){
        e.preventDefault();
    },

    /**
     * Gets the key code of the given event object (keydown). The event
     * object here will be the same object that is passed to listeners
     * registered with addEvent().
     *
     * @param   {mixed}         e       The event object
     * @return  {Number}                The key code of the event
     * @public
     * @static
     */
    keyCode: function(e){
        return e.keyCode;
    },

    /**
     * Adds an event listener to the given element. It is expected that this
     * function will be passed the event as its first argument.
     *
     * @param   {HTMLElement}   el          The DOM element to listen to
     * @param   {String}        name        The name of the event to register
     *                                      (i.e. 'click', 'scroll', etc.)
     * @param   {Function}      handler     The event handler function
     * @return  void
     * @public
     */
    addEvent: function(el, name, handler){
        jQuery(el).bind(name, handler);
    },

    /**
     * Removes an event listener from the given element.
     *
     * @param   {HTMLElement}   el          The DOM element to stop listening to
     * @param   {String}        name        The name of the event to stop
     *                                      listening for (i.e. 'click')
     * @param   {Function}      handler     The event handler function
     * @return  void
     * @public
     */
    removeEvent: function(el, name, handler){
        jQuery(el).unbind(name, handler);
    },

    /**
     * Appends an HTML fragment to the given element.
     *
     * @param   {HTMLElement}       el      The element to append to
     * @param   {String}            html    The HTML fragment to use
     * @return  void
     * @public
     */
    append: function(el, html){
        jQuery(el).append(html);
    }

};

/**
 * Passes the selected elements to the Shadowbox.setup() function. Supports
 * embedded height and width attributes within the class attribute.
 *
 * @param   {Object}    options     The options to pass to setup() for all
 *                                  selected elements
 * @public
 * @author  Mike Alsup
 * @author  Roger Barrett
 */
(function($){
$.fn.shadowbox = function(options){
    return this.each(function(){
        var $this = $(this);
        // support jQuery metadata plugin
        var opts = $.extend({}, options || {}, $.metadata ? $this.metadata() : $.meta ? $this.data() : {});
        // support embedded opts (for w/h) within the class attr
        var cls = this.className || '';
        opts.width  = parseInt((cls.match(/w:(\d+)/)||[])[1]) || opts.width;
        opts.height = parseInt((cls.match(/h:(\d+)/)||[])[1]) || opts.height;
        Shadowbox.setup($this, opts);
    });
};
})(jQuery);