/*
 * FadeSlideShow
 * Adapted to Liferay by jofeu
 * 
 * Based on fadeslideshow.js
 * Author: Dynamic Drive at http://www.dynamicdrive.com/
 * Visit http://www.dynamicdrive.com/ for full source code
 *
 * FadeSlideShow requires jQuery which is alreay included into Liferay.
 * Thus there is no need to include <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> 
 * 
 * Example for a configuration to be put into web content

	
    <script type="text/javascript" src="/scorio-theme/javascript/fadeslideshow.js">

    var mygallery=new fadeSlideShow({
		wrapperid: "fadeshow1", 
		dimensions: [250, 180],
		imagearray: [
			["http://i26.tinypic.com/11l7ls0.jpg", "", "", "Nothing beats relaxing next to the pool when the weather is hot."],
			["http://i29.tinypic.com/xp3hns.jpg", "http://en.wikipedia.org/wiki/Cave", "_new", "Some day I'd like to explore these caves!"],
			["http://i30.tinypic.com/531q3n.jpg"],
			["http://i31.tinypic.com/119w28m.jpg", "", "", "What a beautiful scene with everything changing colors."] 
		],
		displaymode: {type:'auto', pause:2500, cycles:0, wraparound:false},
		persist: false, 
		fadeduration: 500, 
		descreveal: "ondemand",
		togglerid: ""
	})

	<div id="fadeshow1"></div>


 * Example for a configuration with toggler
	<div id="fadeshow2"></div>

	<div id="fadeshow2toggler" style="width:250px; text-align:center; margin-top:10px">
		<a href="#" class="prev"><img src="http://i31.tinypic.com/302rn5v.png" style="border-width:0" /></a>  <span class="status" style="margin:0 50px; font-weight:bold"></span> <a href="#" class="next"><img src="http://i30.tinypic.com/lzkux.png" style="border-width:0" /></a>
	</div>
*/


var fadeSlideShow_descpanel={
	controls: [['/scorio-theme/images/fadeslideshow/x.png',7,7], 
	           ['/scorio-theme/images/fadeslideshow/restore.png',10,11], 
	           ['/scorio-theme/images/fadeslideshow/loading.gif',54,55]], 
	fontStyle: 'normal 11px Verdana',
	slidespeed: 200 
};

jQuery.noConflict();

function fadeSlideShow(settingarg){
	this.setting=settingarg;
	settingarg=null;
	var setting=this.setting;
	setting.fadeduration=setting.fadeduration? parseInt(setting.fadeduration) : 500;
	setting.curimage=(setting.persist)? fadeSlideShow.routines.getCookie("gallery-"+setting.wrapperid) : 0;
	setting.curimage=setting.curimage || 0 ;
	setting.currentstep=0 ;
	setting.totalsteps=setting.imagearray.length*(setting.displaymode.cycles>0? setting.displaymode.cycles : Infinity) ;
	setting.fglayer=0, setting.bglayer=1 ;
	setting.oninit=setting.oninit || function(){};
	setting.onslide=setting.onslide || function(){};
	if (setting.displaymode.randomize) 
		setting.imagearray.sort(function() {return 0.5 - Math.random()});
	var preloadimages=[] ;
	setting.longestdesc="" ;
	for (var i=0; i<setting.imagearray.length; i++){ 
		preloadimages[i]=new Image();
		// remove &amp; entities that are automatically created by Liferay when storing web content
		preloadimages[i].src=setting.imagearray[i][0].replace(/&amp;/g, "&");
		if (setting.imagearray[i][3] && setting.imagearray[i][3].length>setting.longestdesc.length)
			setting.longestdesc=setting.imagearray[i][3];
	}
	var closebutt=fadeSlideShow_descpanel.controls[0] ;
	setting.closebutton=(setting.descreveal=="always")? '<img class="close" src="'+closebutt[0]+'" style="float:right;cursor:hand;cursor:pointer;width:'+closebutt[1]+'px;height:'+closebutt[2]+'px;margin-left:2px" title="Hide Description" />' : '';
	var slideshow=this;
	jQuery(document).ready(function($){ 
		var setting=slideshow.setting;
		var fullhtml=fadeSlideShow.routines.getFullHTML(setting.imagearray);
		setting.$wrapperdiv=$('#'+setting.wrapperid).css({position:'relative', visibility:'visible', background:'white', overflow:'hidden', width:setting.dimensions[0], height:setting.dimensions[1]}).empty() ;
		if (setting.$wrapperdiv.length==0){ 
			alert("Error: DIV with ID \""+setting.wrapperid+"\" not found on page.");
			return;
		}
		setting.$gallerylayers=$('<div class="gallerylayer"></div><div class="gallerylayer"></div>') 
			.css({position:'absolute', left:0, top:0, width:'100%', height:'100%', background:'white'})
			.appendTo(setting.$wrapperdiv);
		var $loadingimg=$('<img src="'+fadeSlideShow_descpanel.controls[2][0]+'" style="position:absolute;width:'+fadeSlideShow_descpanel.controls[2][1]+';height:'+fadeSlideShow_descpanel.controls[2][2]+'" />')
			.css({left:setting.dimensions[0]/2-fadeSlideShow_descpanel.controls[2][1]/2, top:setting.dimensions[1]/2-fadeSlideShow_descpanel.controls[2][2]}) 
			.appendTo(setting.$wrapperdiv);
		var $curimage=setting.$gallerylayers.html(fullhtml).find('img').hide().eq(setting.curimage) ;
		if (setting.longestdesc!="" && setting.descreveal!="none"){ 
			fadeSlideShow.routines.adddescpanel($, setting);
			if (setting.descreveal=="always"){ 
				setting.$descpanel.css({top:setting.dimensions[1]-setting.panelheight});
				setting.$descinner.click(function(e){ 
					if (e.target.className=="close"){
						slideshow.showhidedescpanel('hide');
					}
				});
				setting.$restorebutton.click(function(e){ 
					slideshow.showhidedescpanel('show');
					$(this).css({visibility:'hidden'})
				});
			}
			else if (setting.descreveal=="ondemand"){ 
				setting.$wrapperdiv.bind('mouseenter', function(){slideshow.showhidedescpanel('show')});
				setting.$wrapperdiv.bind('mouseleave', function(){slideshow.showhidedescpanel('hide')});
			}
		}
		setting.$wrapperdiv.bind('mouseenter', function(){setting.ismouseover=true});
		setting.$wrapperdiv.bind('mouseleave', function(){setting.ismouseover=false});
		if ($curimage.get(0).complete){ 
			$loadingimg.hide();
			slideshow.paginateinit($);
			slideshow.showslide(setting.curimage);
		}
		else{ 
			$loadingimg.hide();
			slideshow.paginateinit($);
			$curimage.bind('load', function(){slideshow.showslide(setting.curimage)});
		}
		setting.oninit.call(slideshow);
		$(window).bind('unload', function(){ 
			if (slideshow.setting.persist);
				fadeSlideShow.routines.setCookie("gallery-"+setting.wrapperid, setting.curimage);
			jQuery.each(slideshow.setting, function(k){
				if (slideshow.setting[k] instanceof Array){
					for (var i=0; i<slideshow.setting[k].length; i++){
						if (slideshow.setting[k][i].tagName=="DIV") 
							slideshow.setting[k][i].innerHTML=null;
						slideshow.setting[k][i]=null;
					}
				}
			});
			slideshow=slideshow.setting=null;
		});
	});
};

fadeSlideShow.prototype={

	navigate:function(keyword){
		var setting=this.setting;
		clearTimeout(setting.playtimer);
		if (setting.displaymode.type=="auto"){ 
			setting.displaymode.type="manual" ;
			setting.displaymode.wraparound=true ;
		}
		if (!isNaN(parseInt(keyword))){ 
			this.showslide(parseInt(keyword));
		}
		else if (/(prev)|(next)/i.test(keyword)){ 
			this.showslide(keyword.toLowerCase());
		}
	},

	showslide:function(keyword){
		var slideshow=this;
		var setting=slideshow.setting;
		if (setting.displaymode.type=="auto" && setting.ismouseover && setting.currentstep<=setting.totalsteps){ 
			setting.playtimer=setTimeout(function(){slideshow.showslide('next')}, setting.displaymode.pause);
			return;
		}
		var totalimages=setting.imagearray.length;
		var imgindex=(keyword=="next")? (setting.curimage<totalimages-1? setting.curimage+1 : 0)
			: (keyword=="prev")? (setting.curimage>0? setting.curimage-1 : totalimages-1)
			: Math.min(keyword, totalimages-1);
		var $slideimage=setting.$gallerylayers.eq(setting.bglayer).find('img').hide().eq(imgindex).show() ;
		var imgdimensions=[$slideimage.width(), $slideimage.height()] ;
		$slideimage.css({marginLeft: (imgdimensions[0]>0 && imgdimensions[0]<setting.dimensions[0])? setting.dimensions[0]/2-imgdimensions[0]/2 : 0});
		$slideimage.css({marginTop: (imgdimensions[1]>0 && imgdimensions[1]<setting.dimensions[1])? setting.dimensions[1]/2-imgdimensions[1]/2 : 0});
		if (setting.descreveal=="peekaboo" && setting.longestdesc!=""){ 
			clearTimeout(setting.hidedesctimer) ;
			slideshow.showhidedescpanel('hide', 0) ;
		}
		setting.$gallerylayers.eq(setting.bglayer).css({zIndex:9, opacity:0}) 
			.stop().css({opacity:0}).animate({opacity:1}, setting.fadeduration, function(){ 
				clearTimeout(setting.playtimer);
				try{
					setting.onslide.call(slideshow, setting.$gallerylayers.eq(setting.fglayer).get(0), setting.curimage);
				}catch(e){
					alert("Fade In Slideshow error: An error has occured somwhere in your code attached to the \"onslide\" event: "+e);
				}
				if (setting.descreveal=="peekaboo" && setting.longestdesc!=""){
					slideshow.showhidedescpanel('show');
					setting.hidedesctimer=setTimeout(function(){slideshow.showhidedescpanel('hide')}, setting.displaymode.pause-fadeSlideShow_descpanel.slidespeed);
				}	
				setting.currentstep+=1;
				if (setting.displaymode.type=="auto"){
					if (setting.currentstep<=setting.totalsteps || setting.displaymode.cycles==0)
						setting.playtimer=setTimeout(function(){slideshow.showslide('next')}, setting.displaymode.pause);
				}
			}) ;
		setting.$gallerylayers.eq(setting.fglayer).css({zIndex:8}) ;
		setting.fglayer=setting.bglayer;
		setting.bglayer=(setting.bglayer==0)? 1 : 0;
		setting.curimage=imgindex;
		if (setting.$descpanel){
			setting.$descpanel.css({visibility:(setting.imagearray[imgindex][3])? 'visible' : 'hidden'});
			if (setting.imagearray[imgindex][3]) 
				setting.$descinner.empty().html(setting.closebutton + setting.imagearray[imgindex][3]);
		}
		if (setting.displaymode.type=="manual" && !setting.displaymode.wraparound){
			this.paginatecontrol();
		}
		if (setting.$status) 
			setting.$status.html(setting.curimage+1 + "/" + totalimages);
	},

	showhidedescpanel:function(state, animateduration){
		var setting=this.setting;
		var endpoint=(state=="show")? setting.dimensions[1]-setting.panelheight : this.setting.dimensions[1];
		setting.$descpanel.stop().animate({top:endpoint}, (typeof animateduration!="undefined"? animateduration : fadeSlideShow_descpanel.slidespeed), function(){
			if (setting.descreveal=="always" && state=="hide")
				setting.$restorebutton.css({visibility:'visible'}) ;
		});
	},

	paginateinit:function($){
		var slideshow=this;
		var setting=this.setting;
		if (setting.togglerid){ 
			setting.$togglerdiv=$("#"+setting.togglerid);
			setting.$prev=setting.$togglerdiv.find('.prev').data('action', 'prev');
			setting.$next=setting.$togglerdiv.find('.next').data('action', 'next');
			setting.$prev.add(setting.$next).click(function(e){ 
				var $target=$(this);
				slideshow.navigate($target.data('action'));
				e.preventDefault();
			});
			setting.$status=setting.$togglerdiv.find('.status');
		}
	},

	paginatecontrol:function(){
		var setting=this.setting;
			setting.$prev.css({opacity:(setting.curimage==0)? 0.4 : 1}).data('action', (setting.curimage==0)? 'none' : 'prev');
			setting.$next.css({opacity:(setting.curimage==setting.imagearray.length-1)? 0.4 : 1}).data('action', (setting.curimage==setting.imagearray.length-1)? 'none' : 'next');
			if (document.documentMode==8){ 
				setting.$prev.find('img:eq(0)').css({opacity:(setting.curimage==0)? 0.4 : 1});
				setting.$next.find('img:eq(0)').css({opacity:(setting.curimage==setting.imagearray.length-1)? 0.4 : 1});
			}
	}

	
};

fadeSlideShow.routines={

	getSlideHTML:function(imgelement){
		var layerHTML=(imgelement[1])? '<a href="'+imgelement[1]+'" target="'+imgelement[2]+'">\n' : '' ;
		layerHTML+='<img src="'+imgelement[0]+'" style="border-width:0;" />\n';
		layerHTML+=(imgelement[1])? '</a>\n' : '';
		return layerHTML ;
	},

	getFullHTML:function(imagearray){
		var preloadhtml='';
		for (var i=0; i<imagearray.length; i++)
			preloadhtml+=this.getSlideHTML(imagearray[i]);
		return preloadhtml;
	},

	adddescpanel:function($, setting){
		setting.$descpanel=$('<div class="fadeslidedescdiv"></div>')
			.css({position:'absolute', visibility:'hidden', width:'100%', left:0, top:setting.dimensions[1], font:fadeSlideShow_descpanel.fontStyle, zIndex:'1001'})
			.appendTo(setting.$wrapperdiv);
		$('<div class="descpanelbg"></div><div class="descpanelfg"></div>') 
			.css({position:'absolute', left:0, top:0, width:setting.$descpanel.width()-8, padding:'4px'})
			.eq(0).css({background:'black', opacity:0.7}).end() 
			.eq(1).css({color:'white'}).html(setting.closebutton + setting.longestdesc).end() 
			.appendTo(setting.$descpanel);
		setting.$descinner=setting.$descpanel.find('div.descpanelfg');
		setting.panelheight=setting.$descinner.outerHeight();
		setting.$descpanel.css({height:setting.panelheight}).find('div').css({height:'100%'});
		if (setting.descreveal=="always"){ 
			setting.$restorebutton=$('<img class="restore" title="Restore Description" src="' + fadeSlideShow_descpanel.controls[1][0] +'" style="position:absolute;visibility:hidden;right:0;bottom:0;z-index:1002;width:'+fadeSlideShow_descpanel.controls[1][1]+'px;height:'+fadeSlideShow_descpanel.controls[1][2]+'px;cursor:pointer;cursor:hand" />')
				.appendTo(setting.$wrapperdiv);


		}
	},


	getCookie:function(Name){ 
		var re=new RegExp(Name+"=[^;]+", "i"); 
		if (document.cookie.match(re)) 
			return document.cookie.match(re)[0].split("=")[1] ;
		return null;
	},

	setCookie:function(name, value){
		document.cookie = name+"=" + value + ";path=/";
	}
};