// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
var isLightbox = false;					// set to true when lightbox is open
var origHash = null; 					// url of page the user was wiewing at the click moment
(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:			'/themes/2009/images/lightbox-ico-loading.gif',		// (string) Path and the name of the loading icon
			imageBtnPrev:			'/themes/2009/images/lightbox-btn-prev.gif',			// (string) Path and the name of the prev button image
			imageBtnNext:			'/themes/2009/images/lightbox-btn-next.gif',			// (string) Path and the name of the next button image
			imageBtnClose:			'/themes/2009/images/lightbox-btn-close.gif',		// (string) Path and the name of the close btn
			imageBlank:				'/themes/2009/images/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:				'Image',	// (string) Specify text "Image"
			txtOf:					'of',		// (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? LetÅ½s see it.
			if ( jQueryMatchedObj.length == 1 ) {
				settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
			} 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')));
				}
			}
			while ( settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href') ) {
				settings.activeImage++;
			}
			// Call the function that prepares image exibition
			_set_image_to_view();
		}
		/**
		 * 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="../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-currentNumber"></span>
						</div>
						<div id="lightbox-secNav">
							<a href="#" id="lightbox-secNav-btnClose">
								<img src="../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-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');
			
			/* specials */
			$("#title h1").clone().prependTo("#jquery-lightbox");
			$("#jquery-lightbox h1 .submenu").remove();
			$("#jquery-lightbox h1").wrapInner('<a href="#"></a>');
			$("#jquery-lightbox h1 a").attr({title:$("#jquery-lightbox h1 a").text()});
			$('#jquery-lightbox h1 a').click(function() {
				_finish();
				return false;
			});
			$("#utils .prev").clone().prependTo("#jquery-lightbox");		
			$("#header h2").clone().prependTo("#jquery-lightbox");			
			
			/*
			 *  change hash when we open lightbox
			 */
			origHash = window.location.hash;			
			window.location.hash = "lightbox";
			/*
			 * create a global variable
			 */
			isLightbox = true;

			
			// 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),
        top:  arrPageScroll[1],
//				top:	(arrPageSizes[1]-600)/2,
				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),
            top:  arrPageScroll[1],
//					top:	0,
					left:	arrPageScroll[0]
				});
				
				$('#lightbox-container-image-box, #lightbox-container-image-data-box').css({
					top:	($(window).height()-$('#lightbox-container-image-box').height())/2
				});	
			});
		}
		/**
		 * Prepares image exibition; doing a imageÅ½s preloader to calculate itÅ½s size
		 *
		 */
		function _set_image_to_view() { // show the loading
			// Show the loading
			$('#lightbox-loading').show();

//			$('#lightbox-image,#lightbox-image-details-currentNumber').hide();

			$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();


			$('#lightbox-container-image object').remove();
/* tem fix */
			$('#lightbox-image').attr('src', settings.imageBlank);
			$('#lightbox-image').attr('alt', '');
			$('#lightbox-image').attr('title', '');

			// Image preload process
      if (settings.imageArray[settings.activeImage][0].indexOf('.flv')>0) {
        var thumbnailPath = $('#content .image:eq('+settings.activeImage+') img').attr('src');
        var videoSizeW = 640;
        var videoSizeH = 360;
        if($('#gallery').length>0) {
          var videoPath = $('#content .image:eq('+settings.activeImage+') a.lightbox').attr('href');
          thumbnailPath = thumbnailPath.substring(thumbnailPath.indexOf('185/')+4);
          videoSizeW = 720;
          videoSizeH = 404;
        } else {
         var videoPath = $('#content .image:eq('+settings.activeImage+')').parent().attr('href');
        }
        $('#lightbox-container-image').prepend('<object type="application/x-shockwave-flash" data="/themes/2009/flash/flvplayer.swf" width="'+videoSizeW+'" height="'+videoSizeH+'"><param name="bgcolor" value="#000000" /><param name="movie" value="/themes/2009/flash/flvplayer.swf" /><param name="allowFullScreen" value="true" /><param name="FlashVars" value="flv='+videoPath+'&amp;width='+videoSizeW+'&amp;height='+videoSizeH+'&amp;autoplay=1&amp;showstop=1&amp;showvolume=1&amp;showtime=1&amp;startimage='+thumbnailPath+'&amp;showfullscreen=1&amp;margin=0"/><h2>Extrait video</h2><p><i18n:text>You need a flash player to watch this video. </i18n:text></p></object>');
        _resize_container_image_box(videoSizeW, videoSizeH);
        $('#lightbox-image-details').hide();
			} else {
				var objImagePreloader = new Image();
				objImagePreloader.onload = function(){
					$('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);
					$('#lightbox-image').attr('alt', settings.imageArray[settings.activeImage][1]);
					$('#lightbox-image').attr('title', settings.imageArray[settings.activeImage][1]);
					// 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 imageÅ½s width that will be showed
		 * @param integer intImageHeight The imageÅ½s 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 imageÅ½s width and the left and right padding value
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the imageÅ½s height and the left and right padding value
			// Diferences
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			// Perfomance the effect
			$('#lightbox-container-image-box').css({ width: intWidth, height: intHeight });
			
			$('#lightbox-container-image-box, #lightbox-container-image-data-box').css({
				top:	($(window).height()-intHeight)/2			});	
			
			
			_show_image(); 

			if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
				if ( $.browser.msie ) {
					___pause(250);
				} else {
					___pause(100);	
				}
			} 
			$('#lightbox-container-image-data-box').css({ width: intImageWidth });

		};
		/**
		 * Show the prepared image
		 *
		 */
		function _show_image() {
			$('#lightbox-loading').hide();
			$('#lightbox-image').fadeIn();
			_show_image_data();
			_set_navigation();
			_preload_neighbor_images();
		};
		/**
		 * Show the image information
		 *
		 */
		var tm;
		function _show_image_data() {			
			// ezoulou : hide desc
			$('#lightbox-image-details').hide();
						
			// show other brols : close button
			$('#lightbox-container-image-data-box').show();

			// mousenter image : show desc
			$('#lightbox-image').unbind('mousemove');
			$('#lightbox-image').mousemove(function()  {
				try {
					clearTimeout(tm);
				} catch(e) {}
				$('#lightbox-image-details').fadeIn('fast');
			});
			// mouseleave image : hide desc in en few seconds
			$('#lightbox-image').unbind('mouseleave');
			$('#lightbox-image').mouseleave(function()  {
				tm = setTimeout("$('#lightbox-image-details').fadeOut('fast')", 1000);
			});

			// mouseenter desc : clear timeout
			$('#lightbox-image-details').unbind('mouseenter');
			$('#lightbox-image-details').mouseenter(function()  {
				try {
					clearTimeout(tm);
				} catch(e) {}
			});
			// mouseleave desc hide desc
			$('#lightbox-image-details').unbind('mouseleave');
			$('#lightbox-image-details').mouseleave(function()  {
				tm = setTimeout("$('#lightbox-image-details').fadeOut('fast')", 1000);
			});

			/* we may as well create an admin link here */
			if ($("#admin").length>0) {
				var imageSrc = settings.imageArray[settings.activeImage][0];
				var cleanSrc = imageSrc.substr(imageSrc.indexOf('/dynimage/')+11);
				cleanSrc = cleanSrc.substr(cleanSrc.indexOf('/')+1);
				$('#jquery-lightbox .admin').remove();
				$('#jquery-lightbox').prepend('<div class="admin">');
				$('#jquery-lightbox .admin').append('<a href="/admin/properties/' + cleanSrc + '" target="_blank" class="properties">Editer les propri&eacute;t&eacute;s de cette image</a>');
				$('#jquery-lightbox .admin').append(' - <a href="/admin/edit/' + imageSrc + '?editor=image" target="_blank" class="dynimage">Edit dynimage</a>');
			}			
			var infosStr = settings.imageArray[settings.activeImage][1];
			if ($('#gallery').length>0) {
				// lightbox : for each image/video, the title and form are provided by getting html from main gallery page
				// remove previous block
				$('#lightbox-image-details .more').remove();
				$('#gallery .image:eq('+settings.activeImage+') .more').clone().prependTo('#lightbox-image-details');

				/* 
			     * store original email value
			     */
			    origEmailStr = $('.formItem.email .formField').val();
			    /* 
			     * set focus event on required fields
			     */
			    $('.formItem .formField').focus(function(){
			        $(this).parent().removeClass('warning');
			        if (($(this).val() == 'required') ||
			        ($(this).hasClass('email') && $(this).val() == origEmailStr)) 
			            $(this).attr('value', '');
			    });				
				
				// submit request info form
				$('#lightbox-image-details .form').submit(function() {
					if (formItemsCheck($(this), true)) return true;				
					else return false;
				});
			} else {
				// classical lightbox : the title is provided by lightbox param (value of @alt?).								
				$('#lightbox-image-details').html('<div class="more"><div class="title"><strong>'+infosStr+'</strong></div></div>').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 itÅ½s need to IE. Just.
			
			// Show the prev button, if not the first image in set
			if ( settings.activeImage != 0 ) {
				$('#lightbox-nav-btnPrev').show();				
				$('#lightbox-nav-btnPrev')
					.unbind()
					.bind('click',function() {
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
				});
			} else {
				$('#lightbox-nav-btnPrev').hide();
			}			
			
			// Show the next button, if not the last image in set
			if ( settings.activeImage != ( settings.imageArray.length -1 ) ) {
				$('#lightbox-nav-btnNext').show();
				$('#lightbox-nav-btnNext')
					.unbind()
					.bind('click',function() {
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
			} else {
				$('#lightbox-nav-btnNext').hide();
			}
			// 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 ) ) {
			if ( keycode == escapeKey ) {
				_finish();
			}
			// Verify the key to show the previous image
//			if ( ( key == settings.keyToPrev ) || ( keycode == 37 ) ) {
			if ( keycode == 37) {
				// If weÅ½re 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 ( keycode == 39) {
				// If weÅ½re 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' });
			isLightbox = false;
			window.location.hash = origHash;
		}
		/**
		 / 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);
		 };
		 
		 setInterval(updateLightboxPage, 500);
		 function updateLightboxPage(){
			var currentHash = window.location.hash;
			if (isLightbox && currentHash != '#lightbox') {
				_finish();
			}
		}
		 
		// 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

