/**

 * flowplayer.playlist 3.0.7. Flowplayer JavaScript plugin.

 * 

 * This file is part of Flowplayer, http://flowplayer.org

 *

 * Author: Tero Piirainen, <info@flowplayer.org>

 * Copyright (c) 2008 Flowplayer Ltd

 *

 * Dual licensed under MIT and GPL 2+ licenses

 * SEE: http://www.opensource.org/licenses

 * 

 * Date: 2009-02-16 06:51:28 -0500 (Mon, 16 Feb 2009)

 * Revision: 1454 

 */ 

(function($) {

	

	$f.addPlugin("playlist", function(wrap, options) {





		// self points to current Player instance

		var self = this;	

		

		var opts = {

			playingClass: 'playing',

			pausedClass: 'paused',

			progressClass:'progress',

			template: '<a href="${url}">${title}</a>',

			loop: false,

			playOnClick: true,

			manual: false

		};		

		

		$.extend(opts, options);

		wrap = $(wrap);		

		var manual = self.getPlaylist().length <= 1 || opts.manual; 

		var els = null;

		

		

//{{{ "private" functions

				

		function toString(clip) {

			var el = template;

			

			$.each(clip, function(key, val) {	

				if (!$.isFunction(val)) {

					el = el.replace("$\{" +key+ "\}", val).replace("$%7B" +key+ "%7D", val);			

				}

			}); 

			return el;

		}

		

		// assign onClick event for each clip

		function bindClicks() {			

			els = wrap.children().unbind("click.playlist").bind("click.playlist", function() {

				return play($(this), els.index(this));						

			});		

		}

		

		function buildPlaylist() {

			wrap.empty();

			

			$.each(self.getPlaylist(), function() {  

				wrap.append(toString(this)); 

			});				

			

			bindClicks();

		} 



		

		function play(el, clip)  {

		

			if (el.hasClass(opts.playingClass) || el.hasClass(opts.pausedClass)) {

				self.toggle();

				

			} else {

				el.addClass(opts.progressClass);

				self.play(clip); 							

			}			

			

			return false;

		}	

		

		

		function clearCSS() {

			if (manual) { els = wrap.children(); }

			els.removeClass(opts.playingClass);

			els.removeClass(opts.pausedClass);

			els.removeClass(opts.progressClass);			

		}

		

		function getEl(clip) {

			var url = clip.isInStream ? clip.parentUrl : clip.originalUrl;			

			return (manual) ? els.filter("[href=" + url + "]") : els.eq(clip.index);	

		}

//}}}  

		 

		/* setup playlists with onClick handlers */ 

		

		// internal playlist

		if (!manual) {

			

			var template = wrap.is(":empty") ? opts.template : wrap.html(); 

			buildPlaylist();			

			

			

		// manual playlist

		} else {

			

			els = wrap.children();			

			

			// allows dynamic addition of elements

			if ($.isFunction(els.live)) {

				$(wrap.selector + "> *").live("click", function() {

					var el = $(this);

					return play(el, el.attr("href"));

				});

				

			} else {

				els.click(function() {

					var el = $(this);

					return play(el, el.attr("href"));

				});					

			}

					

			// setup player to play first clip

			var clip = self.getClip(0);

			if (!clip.url && opts.playOnClick) {

				clip.update({url: els.eq(0).attr("href")});		

			}   

			

		}

		

		// onBegin

		self.onBegin(function(clip) {

			clearCSS();		

			getEl(clip).addClass(opts.playingClass);

		});	

		

		// onPause	

		self.onPause(function(clip) {

			getEl(clip).removeClass(opts.playingClass).addClass(opts.pausedClass);		

		});	

		

		// onResume

		self.onResume(function(clip) {

			getEl(clip).removeClass(opts.pausedClass).addClass(opts.playingClass);		

		});		

		

		// what happens when clip ends ?

		if (!opts.loop && !manual) {

			

			// stop the playback exept on the last clip, which is stopped by default

			self.onBeforeFinish(function(clip) {

				if (!clip.isInStream && clip.index < els.length -1) {

					return false;

				}

			}); 

		}

		

		// on manual setups perform looping here

		if (manual && opts.loop) {

			self.onBeforeFinish(function(clip) {

				if (clip.isInStream) { return; }

				

				var el = getEl(clip);

				if (el.next().length) {

					el.next().click();	 		

				} else {

					els.eq(0).click();	

				} 

				return false;				

			}); 

		}

		

		// onUnload

		self.onUnload(function() {

			clearCSS();		

		});

		

		// onPlaylistReplace

		if (!manual) {

			self.onPlaylistReplace(function() {

				buildPlaylist();		

			});

		}

		

		// onClipAdd

		self.onClipAdd(function(clip, index) {	

			els.eq(index).before(toString(clip));			

			bindClicks(); 

		});		

		

		return self;

		

	});

		

})(jQuery);