/**

 * flowplayer.playlist.js 3.0.1. Flowplayer JavaScript plugin.

 * 

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

 *

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

 * Copyright (c) 2008 Flowplayer Ltd

 *

 * Dual licensed under MIT and GPL 2+ licenses

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

 * 

 * Version: 3.0.1 - Mon Dec 15 2008 14:01:40 GMT-0000 (GMT+00:00)

 */

(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

		};		

		

		$.extend(opts, options);

		wrap = $(wrap);		

		var manual = self.getPlaylist().length < 2; 

		var els = null;

		



		/* setup playlists with onClick handlers */ 

		

		// template based playlist

		if (!manual) {

			

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

			wrap.empty(); 

				

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

					

				var clip = this;

				

				var el = template;	

				

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

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

				});				 

				

				el = $(el);	

				

				el.click(function() {				

					return play(el, clip.index);

				});			

				

				wrap.append(el);		

			});

			

			els = wrap.children();		

			

			

		// HTML based playlist

		} else {

			

			els = wrap.children();

			if (els.eq(0).hasClass("__scrollable")) { els = els.children(); }

			

			els.each(function() {

				var el = $(this);

				el.click(function() {

					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")});		

			}   

			

		}

		

		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() {

			els.removeClass(opts.playingClass);

			els.removeClass(opts.pausedClass);

			els.removeClass(opts.progressClass);			

		}

		

		function getEl(clip) {		

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

		}

		

		// 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.index < els.length -1) {

					return false;

				}

			}); 

		}

		

		// on manual setups perform looping here

		if (manual && opts.loop) {

			self.onBeforeFinish(function(clip) {

				var el = getEl(clip);

				if (el.next().length) {

					el.next().click();	 		

				} else {

					els.eq(0).click();	

				} 

				return false;				

			}); 

		}

		

		// onUnload

		self.onUnload(function() {

			clearCSS();		

		});

		

		

		return self;

		

	});

		

})(jQuery);