/**
 * @version		$Id:  $Revision
 * @package		mootool
 * @subpackage	lofslidernews
 * @copyright	Copyright (C) JAN 2010 LandOfCoder.com <@emai:landofcoder@gmail.com>. All rights reserved.
 * @website     http://landofcoder.com
 * @license		This plugin is dual-licensed under the GNU General Public License and the MIT License 
 */
 Element.Events.extend({
	'wheelup': {
		type: Element.Events.mousewheel.type,
		map: function(event){
			event = new Event(event);
			if (event.wheel >= 0) this.fireEvent('wheelup', event)
		}
	},
	'wheeldown': {
		type: Element.Events.mousewheel.type,
		map: function(event){
			event = new Event(event);
			if (event.wheel <= 0) this.fireEvent('wheeldown', event)
		}
	}
});
 ////
if( typeof(LofScroller) == 'undefined' ){
	var LofScroller = new Class( {
		initialize:function( _lofmain, options ){
			this.setting = Object.extend({
				autoStart			: true,
				descStyle	    	: 'sliding',
				mainItemSelector    : 'div.lof-main-item',
				navSelector  		: 'li' ,
				navigatorEvent		: 'click',
				interval	  	 	:  2000,
				auto			    : false,
				navItemsDisplay		: 3,
				startItem			: 0,
				navItemHeight		: 100,
				navItemWidth 		: 310
			}, options || {} );
			
			var eMain 	   = _lofmain.getElement('.lof-main-wapper');
			var eNavigator = _lofmain.getElement('.lof-navigator-outer .lof-navigator');
			var eNavOuter  = _lofmain.getElement('.lof-navigator-outer');	  
			this.currentNo  = 0;
			this.nextNo     = null;
			this.previousNo = null;
			this.fxItems	= [];	
			this.minSize 	= 0;
			this.onClick = false;
			if( $defined(eMain) ){
				this.slides	   = eMain.getElements( this.setting.mainItemSelector );
				this.maxWidth  = eMain.getStyle('width').toInt();
				this.maxHeight = eMain.getStyle('height').toInt();
				this.styleMode = this.__getStyleMode();  
				var fx =  Object.extend({waiting:false, onComplete:function(){ this.onClick=false}.bind(this) }, this.setting.fxObject );
				this.slides.each( function(item, index) {
					item.setStyles( eval('({"'+this.styleMode[0]+'": index * this.maxSize,"'+this.styleMode[1]+'":Math.abs(this.maxSize),"display" : "block"})') );		
					this.fxItems[index] = new Fx.Styles( item,  fx );
				}.bind(this) );
				if( this.styleMode[0] == 'opacity' || this.styleMode[0] =='z-index' ){
					this.slides[0].setStyle(this.styleMode[0],'1');
				}
				eMain.addEvents( { 'mouseenter' : this.stop.bind(this),
							   	   'mouseleave' :function(e){ 
								    if(  this.setting.auto ){
										this.play( this.setting.interval,'next', true );
									} }.bind(this) } );
			}
			if( $defined(eNavigator) && $defined(eNavOuter) ){
				var modes = {
					horizontal : ['margin-left', 'width', 'height', 'navItemWidth', 'navItemHeight'],
					vertical   : ['top', 'height', 'width', 'navItemHeight', 'navItemWidth']
				}
				var mode = ( this.setting.navPos == 'bottom' || this.setting.navPos == 'top' )?'horizontal' : 'vertical';	
			
				this.navigatorItems = eNavigator.getElements( this.setting.navSelector );
				if( this.setting.navItemsDisplay > this.navigatorItems.length ){
					this.setting.navItemsDisplay = this.navigatorItems.length;	
				}
				
				if( $defined(_lofmain.getElement(".lof-bullets"))  ){
					this.setting.navItemHeight = this.navigatorItems[0].offsetHeight;
					this.setting.navItemWidth  = this.navigatorItems[0].offsetWidth;
				}
				
				this.navigatorSlideSize = this.setting[modes[mode][3]];	 
				eNavOuter.setStyle(modes[mode][1], this.setting.navItemsDisplay * this.navigatorSlideSize);
                eNavOuter.setStyle(modes[mode][2], this.setting[modes[mode][4]] );
								
				this.navigatorFx = new Fx.Style( eNavigator, modes[mode][0],
												{transition:Fx.Transitions.Sine.easeInOut,duration:900} );
					
					
				 if(  this.setting.auto ){
					this.registerMousewheelHandler( eNavigator ); // allow to use the srcoll
				 }
				this.navigatorItems.each( function(item,index) {
					item.addEvent( this.setting.navigatorEvent, function(){		
					if( this.onClick ) return ;
						this.jumping( index, true );
						this.setNavActive( index, item );	
					}.bind(this) ); 
	
						item.setStyles( { 'height' : this.setting.navItemHeight,
									  	  'width'  : this.setting.navItemWidth} );		
				}.bind(this) );
				// set default setting
				this.currentNo=this.setting.startItem.toInt()>this.slides.length?this.slides.length:this.setting.startItem.toInt();
				this.setNavActive( this.currentNo );
				this.slides.setStyle(this.styleMode[0] ,this.maxSize );
				this.slides[this.currentNo].setStyle(this.styleMode[0] ,this.minSize );
	
			}
		},
		navivationAnimate:function( currentIndex ) { 
			if (currentIndex <= this.setting.startItem 
				|| currentIndex - this.setting.startItem >= this.setting.navItemsDisplay-1) {
					this.setting.startItem = currentIndex - this.setting.navItemsDisplay+2;
					if (this.setting.startItem < 0) this.setting.startItem = 0;
					if (this.setting.startItem >this.slides.length-this.setting.navItemsDisplay) {
						this.setting.startItem = this.slides.length-this.setting.navItemsDisplay;
					}
			}		
			this.navigatorFx.stop().start( -this.setting.startItem*this.navigatorSlideSize );	
		},
		setNavActive:function( index, item ){
			if( $defined(this.navigatorItems) && $defined( this.navigatorItems[index] ) ){ 
				this.navigatorItems.removeClass('active');
				this.navigatorItems[index].addClass('active');	
				this.navivationAnimate( this.currentNo );	
			}
		},
		__getStyleMode:function(){
			switch( this.setting.direction ){
				case 'opacity': this.maxSize=0; this.minSize=1; return ['opacity','opacity'];
				case 'replace': this.maxSize=0; this.minSize=1; return ['display','display'];
				case 'vrup':    this.maxSize=this.maxHeight;    return ['top','height'];
				case 'vrdown':  this.maxSize=-this.maxHeight;   return ['top','height'];
				case 'hrright': this.maxSize=-this.maxWidth;    return ['left','width'];
				case 'hrleft':
				default: this.maxSize=this.maxWidth; return ['left','width'];
			}
		},
		registerMousewheelHandler:function( element ){ 
			element.addEvents({
				'wheelup': function(e) {
					
					e = new Event(e).stop(); 
						this.previous(true);
				}.bind(this),
			 
				'wheeldown': function(e) {
					e = new Event(e).stop();
				
					this.next(true);
				}.bind(this)
			} );
		},
		registerButtonsControl:function( eventHandler, objects, isHover ){
			if( $defined(objects) && this.slides.length > 1 ){
				for( var action in objects ){ 
					if( $defined(this[action.toString()])  && $defined(objects[action]) ){
						objects[action].addEvent( eventHandler, this[action.toString()].bind(this, true) );
					}
				}
			}
			return this;	
		},
		start:function( isStart, obj ){
			this.setting.auto = isStart;
			// if use the preload image.
			if( obj ) {
				this.preloadImages(  obj );
			} else {
				if( this.setting.auto && this.slides.length > 1 ){
						this.play( this.setting.interval,'next', true );}	
			}
		},
		onComplete:function( obj ){
			(function(){																
					new Fx.Style( obj ,'opacity',{ transition:Fx.Transitions.Quad.easeInOut,
														 duration:1000} ).start(1,0)}).delay(500);
			if( this.setting.auto && this.slides.length > 1 ){
				this.play( this.setting.interval,'next', true );}	
			
		},
		preloadImages:function( obj ){  
			var loaded=[];
			var counter=0;
			var self = this;
			var _length = this.slides.getElements('img').length;
			this.timer = setInterval( function(){
				if(counter >= _length) {	
						$clear(self.timer);
						self.onComplete( obj );
						return true;
				} 
			}, 200);
			this.slides.getElements('img').each( function(img, index){
				image = new Image();
				image.src=img.src;
				if( !image.complete ){				  
					image.onload =function(){
						counter++;
					}
					image.onerror =function(){ 
						counter++;
					}
				}else {
					counter++;
				}
			} );
		},
		onProcessing:function( manual, start, end ){	
			this.onClick = true;
			this.previousNo = this.currentNo + (this.currentNo>0 ? -1 : this.slides.length-1);
			this.nextNo 	= this.currentNo + (this.currentNo < this.slides.length-1 ? 1 : 1- this.slides.length);				
			return this;
		},
		finishFx:function( manual ){
			if( manual ) this.stop();
			if( manual && this.setting.auto ){	
				this.play( this.setting.interval,'next', true );
			}		
			this.setNavActive( this.currentNo );	
		},
		getObjectDirection:function( start, end ){
			return eval("({'"+this.styleMode[0]+"':["+start+", "+end+"]})");	
		},
		fxStart:function( index, obj ){
			this.fxItems[index].stop(true, false).start( obj );
			return this;
		},
		jumping:function( no, manual ){
			this.stop();
			if( this.currentNo == no ) return;
			var object = this.onProcessing( null, manual, 0, this.maxSize );
			if( this.currentNo < no  ){
				object.fxStart( no, this.getObjectDirection(this.maxSize , this.minSize) );
				object.fxStart( this.currentNo, this.getObjectDirection(this.minSize,  -this.maxSize) );
			} else {
				object.fxStart( no, this.getObjectDirection(-this.maxSize , this.minSize) );
				object.fxStart( this.currentNo, this.getObjectDirection(this.minSize,  this.maxSize) );	
			}
			object.finishFx( manual );	
			this.currentNo  = no;
		},
		next:function( manual , item){ 
			if( this.onClick ) return ;
			this.currentNo += (this.currentNo < this.slides.length-1) ? 1 : (1 - this.slides.length);	
			this.onProcessing( item, manual, 0, this.maxSize )
				.fxStart( this.currentNo, this.getObjectDirection(this.maxSize ,this.minSize) )
				.fxStart( this.previousNo, this.getObjectDirection(this.minSize, -this.maxSize) )
				.finishFx( manual );
		},
		previous:function( manual, item ){
			if( this.onClick ) return ;
			this.currentNo += this.currentNo > 0 ? -1 : this.slides.length - 1;
			this.onProcessing( item, manual, -this.maxWidth, this.minSize )
				.fxStart( this.nextNo, this.getObjectDirection(this.minSize, this.maxSize) )
				.fxStart( this.currentNo,  this.getObjectDirection(-this.maxSize, this.minSize) )
				.finishFx( manual	);			
		},
		play:function( delay, direction, wait ){
			this.stop(); 
			if(!wait){ this[direction](false); }
			this.isRun = this[direction].periodical(delay,this,true);
		},stop:function(){  $clear(this.isRun ); clearInterval(this.isRun); }
	} );
}

/**
 *
 */
var LofTools = new Class( {
	initialize:function( wrapper, options ){
		this.options = $extend({
							itemSelector : '.lof-main-item .lof-row',		 
							ispreload    : true,
							ishover      : true,
							cookieName   : 'LOFK2S2',
							hoverbg:['#F0F0F0','#E8E8E8']
							
		}, options || {} );
		var items = wrapper.getElements(this.options.itemSelector);
		if( this.options.ispreload ){
			this.preload( wrapper.getElements('img') );
		}
		if( this.options.ishover != "0" ){ 
       if( this.options.ishover == 'opacity_one' ){
           this.opacityOne( items );
       }else {
           this.opacityAll( items  );                 
       }
		}
    /* process removing items and clear cookie */
    if( $defined(wrapper.getElement(".lof-remove")) ){
      items.each( function( item ){
           var close = item.getElement(".lof-remove");
           close.addEvent("click", function(e){ 
                e = new Event(e);
                   if( $defined(close.id) ){
                        var tmp = Cookie.get( this.options.cookieName  ); 
                        var newValue = tmp.replace( (close.id+"-").replace("id","") ,"");
                        Cookie.set(this.options.cookieName, newValue,{path:"/",duration:2} );
                        item.remove();
                        if( wrapper.getElements(".lof-remove").length==0){
                            wrapper.remove();
                        }
                    } 
                e.stop();
           }.bind(this) );
           /* hover to show */
           item.addEvents( {'mouseover': function(){close.setStyle("display","block");}, 
                             'mouseout':function(){close.setStyle("display","none");}
           });
           
            
            
      }.bind(this) );
    }/* endif */
	},
	
	opacityOne:function( elements ){  
		elements.each( function( element ){
			element = 	element.getElement(".lof-inner");				
			var fx = new Fx.Styles(element, {duration:600, wait:false});
			element.addEvent('mouseenter', function(){
				fx.start({
					'background-color': this.options.hoverbg[0]
				});
			}.bind(this) );
		 
			element.addEvent('mouseleave', function(){ 
				fx.start({
					'background-color': this.options.hoverbg[1]
				} );
			}.bind(this));
					
		}.bind(this) );
	},
	/* Hover effect */
	opacityAll:function( elements ){
		var fx = new Fx.Elements( elements );
		elements.addEvents({ 'mouseover': function( item ,index ){
					var tmp = {};
					for ( var i =0; i <elements.length; i++ ){
						if( this==elements[i]){ 
							tmp[i]={'opacity':[1]};
						}else {
							tmp[i]={'opacity':[0.5]};
						}
					}
					fx.stop().start( tmp );
			  },
			  'mouseout':function( item, index ){
					var tmp = {};
					for ( var i =0; i <elements.length; i++ ){
						tmp[i]={'opacity':[1]};
					}
					fx.stop().start( tmp );
			   }				
		 });
	},
	/* preload image */
	preload:function( images, callback ){ 
			var fxImages = [];
			var aa = [] 
			images.each( function(item, i){ 	  
				fxImages[i] = new Fx.Styles( item, {transition:Fx.Transitions.Sine.easeInOut, duration:1000} );
				fxImages[i].set( {opacity:0} );
			} );
				
			this.countImage = 0;
			var count = 0;
			var total = images.length-1;
			looper =  setInterval( function(){ 
				if( count > total ){ 
					clearInterval(looper);
					return callback;
				}	
				count++;		
				fxImages[count-1].start({opacity:[0,1]});
				
			} , 600 ); 
	}
} );