/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CCAttribution-ShareAlike 2.5 Brazil - http://creativecommons.org/licenses/by-sa/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */

// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {
	/**
	 * $ is an alias to jQuery object
	 *
	 */
	$.fn.lightBox = function(settings) {
		// Settings to configure the jQuery lightBox plugin how you like
		settings = jQuery.extend({
			// Configuration related to overlay
			overlayBgColor : '#000', // (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
			overlayOpacity : 0.8, // (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9
			// Configuration related to navigation
			fixedNavigation : false, // (boolean) Boolean that informs if the navigation (next and prev button) will be fixed or not in the interface.
			// Configuration related to images
			imageLoading : 'content/content_lightbox/lightbox-ico-loading.gif', // (string) Path and the name of the loading icon
			imageBtnPrev : 'content/content_lightbox/lightbox-btn-prev.gif', // (string) Path and the name of the prev button image
			imageBtnNext : 'content/content_lightbox/lightbox-btn-next.gif', // (string) Path and the name of the next button image
			imageBtnClose : 'content/content_lightbox/lightbox-btn-close.gif', // (string) Path and the name of the close btn
			imageBlank : 'content/content_lightbox/lightbox-blank.gif', // (string) Path and the name of a blank image (one pixel)

			// Configuration related to container image box
			containerBorderSize : 10, // (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
			containerResizeSpeed : 400, // (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
			// Configuration related to texts in caption. For example: Image 2 of 8. You can alter either "Image" and "of" texts.
			txtImage : 'Bild', // (string) Specify text "Image"
			txtOf : 'von', // (string) Specify text "of"
			// Configuration related to keyboard navigation
			keyToClose : 'c', // (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
			keyToPrev : 'p', // (string) (p = previous) Letter to show the previous image
			keyToNext : 'n', // (string) (n = next) Letter to show the next image.
			// Don�t alter these variables in any way
			imageArray : [],					
			activeImage : 0
		}, settings);
		// Caching the jQuery object with all elements matched
		var jQueryMatchedObj = this;
		// This, in this context, refer to jQuery object
		/**
		 * Initializing the plugin calling the start function
		 *
		 * @return boolean false
		 */
		function _initialize() {
			_start(this, jQueryMatchedObj);
			// This, in this context, refer to object (link) which the user have clicked
			return false;
			// Avoid the browser following the link
		}

		/**
		 * Start the jQuery lightBox plugin
		 *
		 * @param object objClicked The object (link) whick the user have clicked
		 * @param object jQueryMatchedObj The jQuery object with all elements matched
		 */
		function _start(objClicked, jQueryMatchedObj) {
			// Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
			$('embed, object, select').css({
				'visibility' : 'hidden'
			});
			// Call the function to create the markup structure; style some elements; assign events in some elements.
			_set_interface();
			// Unset total images in imageArray
			settings.imageArray.length = 0;
			// Unset image active information
			settings.activeImage = 0;
			// We have an image set? Or just an image? Let�s see it.
			if(jQueryMatchedObj.length == 1) {
//				settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('title')));
				settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('name')));
			} else {
				// Add an Array (as many as we have), with href and title atributes, inside the Array that storage the images references
				for(var i = 0; i < jQueryMatchedObj.length; i++) {
				//	settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title')));
					settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('name')));
				}
			}
			while(settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) {
				settings.activeImage++;
			}
			// Call the function that prepares image exibition
			_set_image_to_view();
		}
		
		function _viewCount (bildID) {
		
		var bildIDCount = bildID;
		var request = $.ajax({
		  url: "php/class/viewCount.php",
		  type: "POST",
		  data: {bID : bildIDCount},
		  dataType: "html"
		 });
 
		}

		
		
		
		

		/**
		 * Create the jQuery lightBox plugin interface
		 *
		 * The HTML markup will be like that:
		 <div id="jquery-overlay"></div>
		 <div id="jquery-lightbox">
		 <div id="lightbox-container-image-box">
		 <div id="lightbox-container-image">
		 <img src="../fotos/XX.jpg" id="lightbox-image">
		 <div id="lightbox-nav">
		 <a href="#" id="lightbox-nav-btnPrev"></a>
		 <a href="#" id="lightbox-nav-btnNext"></a>
		 </div>
		 <div id="lightbox-loading">
		 <a href="#" id="lightbox-loading-link">
		 <img src="../images/lightbox-ico-loading.gif">
		 </a>
		 </div>
		 </div>
		 </div>
		 <div id="lightbox-container-image-data-box">
		 <div id="lightbox-container-image-data">
		 <div id="lightbox-image-details">
		 <span id="lightbox-image-details-caption"></span>
		 <span id="lightbox-image-details-currentNumber"></span>
		 </div>
		 <div id="lightbox-secNav">
		 <a href="#" id="lightbox-secNav-btnClose">
		 <img src="../images/lightbox-btn-close.gif">
		 </a>
		 </div>
		 </div>
		 </div>
		 </div>
		 *
		 */
		function _set_interface() {
			// Apply the HTML markup into body tag
			$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');
			// Get page sizes
			var arrPageSizes = ___getPageSize();
			// Style overlay and show it
			$('#jquery-overlay').css({
				backgroundColor : settings.overlayBgColor,
				opacity : settings.overlayOpacity,
				width : arrPageSizes[0],
				height : arrPageSizes[1]
			}).fadeIn();
			// Get page scroll
			var arrPageScroll = ___getPageScroll();
			// Calculate top and left offset for the jquery-lightbox div object and show it
			$('#jquery-lightbox').css({
				top : arrPageScroll[1] + (arrPageSizes[3] / 10),
				left : arrPageScroll[0]
			}).show();
			// Assigning click events in elements to close overlay
			$('#jquery-overlay,#jquery-lightbox').click(function() {
				_finish();
			});
			// Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
			$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
				_finish();
				return false;
			});
			// If window was resized, calculate the new overlay dimensions
			$(window).resize(function() {
				// Get page sizes
				var arrPageSizes = ___getPageSize();
				// Style overlay and show it
				$('#jquery-overlay').css({
					width : arrPageSizes[0],
					height : arrPageSizes[1]
				});
				// Get page scroll
				var arrPageScroll = ___getPageScroll();
				// Calculate top and left offset for the jquery-lightbox div object and show it
				$('#jquery-lightbox').css({
					top : arrPageScroll[1] + (arrPageSizes[3] / 10),
					left : arrPageScroll[0]
				});
			});
		}

		/**
		 * Prepares image exibition; doing a image�s preloader to calculate it�s size
		 *
		 */
		function _set_image_to_view() {// show the loading
			// Show the loading
			$('#lightbox-loading').show();
			if(settings.fixedNavigation) {
				$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			} else {
				// Hide some elements
				$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			}
			// Image preload process
			var objImagePreloader = new Image();
			objImagePreloader.onload = function() {
				$('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);
				
				_viewCount(settings.imageArray[settings.activeImage][0]);
				//trace(settings.imageArray[settings.activeImage][0]);				
				
				// Perfomance an effect in the image container resizing it
				_resize_container_image_box(objImagePreloader.width, objImagePreloader.height);
				//	clear onLoad, IE behaves irratically with animated gifs otherwise
				objImagePreloader.onload = function() {
				};
			};
			objImagePreloader.src = settings.imageArray[settings.activeImage][0];
		};

		/**
		 * Perfomance an effect in the image container resizing it
		 *
		 * @param integer intImageWidth The image�s width that will be showed
		 * @param integer intImageHeight The image�s height that will be showed
		 */
		function _resize_container_image_box(intImageWidth, intImageHeight) {
			// Get current width and height
			var intCurrentWidth = $('#lightbox-container-image-box').width();
			var intCurrentHeight = $('#lightbox-container-image-box').height();
			// Get the width and height of the selected image plus the padding
			var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
			// Plus the image�s width and the left and right padding value
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
			// Plus the image�s height and the left and right padding value
			// Diferences
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			// Perfomance the effect
			$('#lightbox-container-image-box').animate({
				width : intWidth,
				height : intHeight
			}, settings.containerResizeSpeed, function() { _show_image();
			});
			if((intDiffW == 0 ) && (intDiffH == 0 )) {
				if($.browser.msie) {
					___pause(250);
				} else {
					___pause(100);
				}
			}
			$('#lightbox-container-image-data-box').css({
				width : intImageWidth
			});
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
				height : intImageHeight + (settings.containerBorderSize * 2)
			});
		};

		/**
		 * Show the prepared image
		 *
		 */
		function _show_image() {
			$('#lightbox-loading').hide();
			$('#lightbox-image').fadeIn(function() {
				_show_image_data();
				_set_navigation();
			});
			_preload_neighbor_images();
		};

		/**
		 * Show the image information
		 *
		 */
		function _show_image_data() {
			$('#lightbox-container-image-data-box').slideDown('fast');
			$('#lightbox-image-details-caption').hide();
			if(settings.imageArray[settings.activeImage][1]) {
				$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
			}
			// If we have a image set, display 'Image X of X'
			if(settings.imageArray.length > 1) {
				$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + (settings.activeImage + 1 ) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show();
			}
		}

		/**
		 * Display the button navigations
		 *
		 */
		function _set_navigation() {
			$('#lightbox-nav').show();

			// Instead to define this configuration in CSS file, we define here. And it�s need to IE. Just.
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
				'background' : 'transparent url(' + settings.imageBlank + ') no-repeat'
			});

			// Show the prev button, if not the first image in set
			if(settings.activeImage != 0) {
				if(settings.fixedNavigation) {
					$('#lightbox-nav-btnPrev').css({
						'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
					}).unbind().bind('click', function() {
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
					});
				} else {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnPrev').unbind().hover(function() {
						$(this).css({
							'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
						});
					}, function() {
						$(this).css({
							'background' : 'transparent url(' + settings.imageBlank + ') no-repeat'
						});
					}).show().bind('click', function() {
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
					});
				}
			}

			// Show the next button, if not the last image in set
			if(settings.activeImage != (settings.imageArray.length - 1 )) {
				if(settings.fixedNavigation) {
					$('#lightbox-nav-btnNext').css({
						'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
					}).unbind().bind('click', function() {
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
				} else {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnNext').unbind().hover(function() {
						$(this).css({
							'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
						});
					}, function() {
						$(this).css({
							'background' : 'transparent url(' + settings.imageBlank + ') no-repeat'
						});
					}).show().bind('click', function() {
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
				}
			}
			// Enable keyboard navigation
			_enable_keyboard_navigation();
		}

		/**
		 * Enable a support to keyboard navigation
		 *
		 */
		function _enable_keyboard_navigation() {
			$(document).keydown(function(objEvent) {
				_keyboard_action(objEvent);
			});
		}

		/**
		 * Disable the support to keyboard navigation
		 *
		 */
		function _disable_keyboard_navigation() {
			$(document).unbind();
		}

		/**
		 * Perform the keyboard actions
		 *
		 */
		function _keyboard_action(objEvent) {
			// To ie
			if(objEvent == null) {
				keycode = event.keyCode;
				escapeKey = 27;
				// To Mozilla
			} else {
				keycode = objEvent.keyCode;
				escapeKey = objEvent.DOM_VK_ESCAPE;
			}
			// Get the key in lower case form
			key = String.fromCharCode(keycode).toLowerCase();
			// Verify the keys to close the ligthBox
			if((key == settings.keyToClose ) || (key == 'x' ) || (keycode == escapeKey )) {
				_finish();
			}
			// Verify the key to show the previous image
			if((key == settings.keyToPrev ) || (keycode == 37 )) {
				// If we�re not showing the first image, call the previous
				if(settings.activeImage != 0) {
					settings.activeImage = settings.activeImage - 1;
					_set_image_to_view();
					_disable_keyboard_navigation();
				}
			}
			// Verify the key to show the next image
			if((key == settings.keyToNext ) || (keycode == 39 )) {
				// If we�re not showing the last image, call the next
				if(settings.activeImage != (settings.imageArray.length - 1 )) {
					settings.activeImage = settings.activeImage + 1;
					_set_image_to_view();
					_disable_keyboard_navigation();
				}
			}
		}

		/**
		 * Preload prev and next images being showed
		 *
		 */
		function _preload_neighbor_images() {
			if((settings.imageArray.length - 1) > settings.activeImage) {
				objNext = new Image();
				objNext.src = settings.imageArray[settings.activeImage + 1][0];
			}
			if(settings.activeImage > 0) {
				objPrev = new Image();
				objPrev.src = settings.imageArray[settings.activeImage -1][0];
			}
		}

		/**
		 * Remove jQuery lightBox plugin HTML markup
		 *
		 */
		function _finish() {
			$('#jquery-lightbox').remove();
			$('#jquery-overlay').fadeOut(function() {
				$('#jquery-overlay').remove();
			});
			// Show some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
			$('embed, object, select').css({
				'visibility' : 'visible'
			});
		}

		/**
		 / THIRD FUNCTION
		 * getPageSize() by quirksmode.com
		 *
		 * @return Array Return an array with page width, height and window width, height
		 */
		function ___getPageSize() {
			var xScroll, yScroll;
			if(window.innerHeight && window.scrollMaxY) {
				xScroll = window.innerWidth + window.scrollMaxX;
				yScroll = window.innerHeight + window.scrollMaxY;
			} else if(document.body.scrollHeight > document.body.offsetHeight) {// all but Explorer Mac
				xScroll = document.body.scrollWidth;
				yScroll = document.body.scrollHeight;
			} else {// Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
				xScroll = document.body.offsetWidth;
				yScroll = document.body.offsetHeight;
			}
			var windowWidth, windowHeight;
			if(self.innerHeight) {// all except Explorer
				if(document.documentElement.clientWidth) {
					windowWidth = document.documentElement.clientWidth;
				} else {
					windowWidth = self.innerWidth;
				}
				windowHeight = self.innerHeight;
			} else if(document.documentElement && document.documentElement.clientHeight) {// Explorer 6 Strict Mode
				windowWidth = document.documentElement.clientWidth;
				windowHeight = document.documentElement.clientHeight;
			} else if(document.body) {// other Explorers
				windowWidth = document.body.clientWidth;
				windowHeight = document.body.clientHeight;
			}
			// for small pages with total height less then height of the viewport
			if(yScroll < windowHeight) {
				pageHeight = windowHeight;
			} else {
				pageHeight = yScroll;
			}
			// for small pages with total width less then width of the viewport
			if(xScroll < windowWidth) {
				pageWidth = xScroll;
			} else {
				pageWidth = windowWidth;
			}
			arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
			return arrayPageSize;
		};

		/**
		 / THIRD FUNCTION
		 * getPageScroll() by quirksmode.com
		 *
		 * @return Array Return an array with x,y page scroll values.
		 */
		function ___getPageScroll() {
			var xScroll, yScroll;
			if(self.pageYOffset) {
				yScroll = self.pageYOffset;
				xScroll = self.pageXOffset;
			} else if(document.documentElement && document.documentElement.scrollTop) {// Explorer 6 Strict
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if(document.body) {// all other Explorers
				yScroll = document.body.scrollTop;
				xScroll = document.body.scrollLeft;
			}
			arrayPageScroll = new Array(xScroll, yScroll);
			return arrayPageScroll;
		};

		/**
		 * Stop the code execution from a escified time in milisecond
		 *
		 */
		function ___pause(ms) {
			var date = new Date();
			curDate = null;
			do {
				var curDate = new Date();
			} while ( curDate - date < ms);
		};

		// Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
		return this.unbind('click').click(_initialize);
	};
})(jQuery);
// Call and execute the function immediately passing the jQuery object
