// -------------------------------------------------------------------------------------------
// The Image preloader
// -------------------------------------------------------------------------------------------


(function($)
{
	$.fn.kriesi_image_preloader = function(options) 
	{
		var defaults = 
		{
			repeatedCheck: 500,
			fadeInSpeed: 1000,
			delay:600,
			callback: ''
		};
		
		var options = $.extend(defaults, options);
		
		return this.each(function()
		{
			var imageContainer = jQuery(this),
				images = imageContainer.find('img').css({opacity:0, visibility:'hidden'}),
				imagesToLoad = images.length;				
				
				imageContainer.operations =
				{	
					preload: function()
					{	
						var stopPreloading = true;
						
						images.each(function(i, event)
						{	
							var image = $(this);
							
							
							if(event.complete == true)
							{	
								imageContainer.operations.showImage(image);
							}
							else
							{
								image.bind('error load',{currentImage: image}, imageContainer.operations.showImage);
							}
							
						});
						
						return this;
					},
					
					showImage: function(image)
					{	
						imagesToLoad --;
						if(image.data.currentImage != undefined) { image = image.data.currentImage;}
												
						if (options.delay <= 0) image.css('visibility','visible').animate({opacity:1}, options.fadeInSpeed);
												 
						if(imagesToLoad == 0)
						{
							if(options.delay > 0)
							{
								images.each(function(i, event)
								{	
									var image = $(this);
									setTimeout(function()
									{	
										image.css('visibility','visible').animate({opacity:1}, options.fadeInSpeed);
									},
									options.delay*(i+1));
								});
								
								if(options.callback != '')
								{
									setTimeout(options.callback, options.delay*images.length);
								}
							}
							else if(options.callback != '')
							{
								(options.callback)();
							}
							
						}
						
					}

				};
				
				imageContainer.operations.preload();
		});
		
	}
})(jQuery);



// -------------------------------------------------------------------------------------------
// The Fade Slider
// -------------------------------------------------------------------------------------------

(function($)
{
	$.fn.kriesi_fade_slider= function(options) 
	{
		var defaults = 
		{
			slides: '>div',				// wich element inside the container should serve as slide
			animationSpeed: 900,		// animation duration
			autorotation: true,			// autorotation true or false?
			autorotationSpeed:3,		// duration between autorotation switch in Seconds
			appendControlls: ''
		};
		
		var options = $.extend(defaults, options);
		
		return this.each(function()
		{
			var slideWrapper 	= $(this),								
				slides			= slideWrapper.find(options.slides).css({display:'none',zIndex:0}),
				slideCount 	= slides.length,
				currentSlideNumber = 0,
				interval,
				current_class = 'active_item',
				controlls = '',
				skipSwitch = true;
				
				slideWrapper.methods = {
				
					init: function()
					{
						slides.filter(':eq(0)').css({zIndex:2, display:'block'});
						
						if(slideCount <= 1)
						{
							slideWrapper.kriesi_image_preloader({delay:200});
						}
						else
						{
							slideWrapper.kriesi_image_preloader({callback:slideWrapper.methods.preloadingDone, delay:200});
							
							if (options.appendControlls)
							{
								controlls = $('<div></div>').addClass('slidecontrolls').css({position:'absolute'}).appendTo(options.appendControlls);
								slides.each(function(i)
								{	
									var controller = $('<span class="ie6fix '+current_class+'"></span>').appendTo(controlls);
									controller.bind('click', {currentSlideNumber: i}, slideWrapper.methods.switchSlide);
									current_class = "";
								});	
							}
						}						
					},
					
					preloadingDone: function()
					{
						skipSwitch = false;
						
						if(options.autorotation)
						{
							slideWrapper.methods.autorotate();
						}
					},
					
					switchSlide: function(passed)
					{	
						var noAction = false;
						
						
						if(passed != undefined && !skipSwitch)
						{	
							if(currentSlideNumber != passed.data.currentSlideNumber)
							{	
								currentSlideNumber = passed.data.currentSlideNumber;
							}
							else
							{
								noAction = true;
							}
						}
						
						if(passed != undefined)
						{	
							clearInterval(interval);
						}
						
						if(!skipSwitch && noAction == false)
						{	
							skipSwitch = true;
							var currentSlide = slides.filter(':visible'),
								nextSlide = slides.filter(':eq('+currentSlideNumber+')');
								if(options.appendControlls)
								{	
									controlls.find('.active_item').removeClass('active_item');
									controlls.find('span:eq('+currentSlideNumber+')').addClass('active_item');									
								}
								
							currentSlide.css({zIndex:4});	
							nextSlide.css({zIndex:2, display:'block'});
							
							currentSlide.fadeOut(options.animationSpeed, function()
							{
								currentSlide.css({zIndex:0, display:"none"});
								skipSwitch = false;
							});
						}
					},
					
					autorotate: function()
					{	
						interval = setInterval(function()
						{ 	
							currentSlideNumber ++;
							if(currentSlideNumber == slideCount) currentSlideNumber = 0;
							
							slideWrapper.methods.switchSlide();
						},
						(parseInt(options.autorotationSpeed) * 1000));
					}
				
				};
				
				slideWrapper.methods.init();
		});
		
	}
})(jQuery);

// -------------------------------------------------------------------------------------------
// The News Slider
// -------------------------------------------------------------------------------------------

(function($)
{
	$.fn.kriesi_news_slider= function(options) 
	{
		var defaults = 
		{
			slides: '>div',				// wich element inside the container should serve as slide
			animationSpeed: 900,		// animation duration
			autorotation: true,			// autorotation true or false?
			autorotationSpeed:3,		// duration between autorotation switch in Seconds
			easing: 'easeOutQuint'
		};
		
		var options = $.extend(defaults, options);
		
		return this.each(function()
		{
			var slideWrapper 	= $(this),								
				slides			= slideWrapper.find(options.slides).css({display:'none',zIndex:0}),
				slideCount 	= slides.length,
				accelerator = 0,				// accelerator of scrolling speed
				scrollInterval = '',			// var that stores the setInterval id
				mousePos = '',					// current mouse position
				moving = false,					// scrollbar currently moving or not?
				controllWindowHeight = 0,		// height of the wrapping element that hides overflow
				controllWindowPart = 0,			// mouseoverpart of the wrapping element that hides overflow
				itemWindowHeight = 0,			// height of element to move
				current_class = 'active_item',
				skipSwitch = true,
				currentSlideNumber = 0,
				newsSelect ='',
				newsItems = '';				
				
				slideWrapper.methods = {
				
					init: function()
					{
						newsSelect = $('<div></div>').addClass('newsselect').appendTo(slideWrapper);
						newsItems = $('<div></div>').addClass('newsItems').appendTo(newsSelect);
						fadeout = $('<div></div>').addClass('fadeout').addClass('ie6fix').appendTo(slideWrapper);
						
						slides.filter(':eq(0)').css({zIndex:2, display:'block'});
						
						slides.each(function(i)
						{	
							var slide = $(this),
								url = slide.find('a').attr('href'),
								controll = $('<a class="single_item '+current_class+'"></a>').appendTo(newsItems).attr('href',url);
								current_class ='';
								
							slide.find('.feature_excerpt .sliderheading, .feature_excerpt .sliderdate').clone().appendTo(controll);
							controll.bind('click', {currentSlideNumber: i}, slideWrapper.methods.switchSlide);
						});
						
						controllWindowHeight = newsSelect.height();
						controllWindowPart = controllWindowHeight/3;
						itemWindowHeight = newsItems.height();
						
						if(slideCount > 1)
						{
							slideWrapper.kriesi_image_preloader({delay:200});
							slideWrapper.methods.preloadingDone();
						}
					},
					
					preloadingDone: function()
					{	
						skipSwitch = false;
						var offset = newsSelect.offset();
						
						newsSelect.mousemove(function(e)
						{
							mousePos = e.pageY - offset.top;
							
							if(!moving)
							{
								scrollInterval = setInterval(function() { slideWrapper.methods.scrollItem(mousePos); }, 25);
								moving = true;
							}
						}); 
										
						newsSelect.bind('mouseleave', function()
						{ 
							clearInterval(scrollInterval); 
							moving = false;
							accelerator = 0;
						});
						
					},
					
					scrollItem: function()
					{	
						var movement = 0,
							percent = controllWindowPart / 100,
							modifier = 10,
							currentTop = parseInt(newsItems.css('top'));
							
						accelerator = accelerator <= 2 ? accelerator + 0.5 : accelerator; 
						
						if(mousePos < controllWindowPart)
						{	
							movement = ((controllWindowPart - mousePos) / percent) * accelerator;
							newPos = currentTop + (movement/modifier);
							
							if(currentTop < 0)
							{	
								if (newPos > 0) newPos = 0;
								newsItems.css({top:newPos + "px"});
							}
						}
						else if(mousePos > controllWindowPart * 2)
						{	
							movement = ((mousePos - controllWindowPart * 2) / percent) * accelerator;
							newPos = currentTop + (movement/modifier * -1);
							
							if((currentTop * -1) < itemWindowHeight - controllWindowHeight)
							{
								if (newPos * -1 > itemWindowHeight - controllWindowHeight) newPos = controllWindowHeight - itemWindowHeight;
								
								newsItems.css({top:newPos + "px"});
							}
						}
						else
						{
							accelerator = 0;
						}
					},
					
					switchSlide: function(passed)
					{	
						
						var noAction = false;
						
						if(passed != undefined && !skipSwitch)
						{
							if(currentSlideNumber != passed.data.currentSlideNumber)
							{	
								currentSlideNumber = passed.data.currentSlideNumber;
							}
							else
							{
								noAction = true;
							}
						}
						
						if(passed != undefined)
						{	
							// clearInterval(interval);
						}
						
						
						if(!skipSwitch && noAction == false)
						{	
							skipSwitch = true;
							var currentSlide = slides.filter(':visible'),
								nextSlide = slides.filter(':eq('+currentSlideNumber+')');
																
							newsSelect.find('.active_item').removeClass('active_item');
							newsSelect.find('a:eq('+currentSlideNumber+')').addClass('active_item');	
																
							currentSlide.css({zIndex:4});
							nextSlide.css({zIndex:2, display:'block'});
							
							currentSlide.fadeOut(options.animationSpeed, function()
							{
								currentSlide.css({zIndex:0, display:"none"});
								skipSwitch = false;
							});
						}
						return false;
					},
					
					autorotate: function()
					{	
						//autorotation not yet supportet
					}
				
				};
				
				slideWrapper.methods.init();
		});
		
	}
})(jQuery);