/**
 * 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-0.4.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.4
 * @date November 17, 2007
 * @category jQuery plugin
 * @copyright (c) 2007 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/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($) {
	$.lightBox = (function() {
		var lightBox = function() {
			this.settings = {
				// 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				
				// Custom object,properties (non settings related)
				customContentDivId: '',
				customContentDivParent: null,
				onOpenFunction: null
			};

			this._init = function(ev, settings) {
				if (settings) {
					jQuery.extend(this.settings, settings);
				}

				if (jQuery.lightBox.settings.customContentDivId == '')
					jQuery.lightBox.settings.customContentDivId = $(this).attr('rel');

				if (jQuery.lightBox.settings.customContentDivId != '') {
					jQuery.lightBox._start();
					if (jQuery.lightBox.settings.onOpenFunction)
						jQuery.lightBox.settings.onOpenFunction(this);
				}
				return false;
			};

			return this;
		};

		lightBox.prototype = {
			_start: function() {
				// Hide some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
				$('embed, object, select').css({ 'visibility': 'hidden' });
				if (this.settings.customContentDivId) {
					$('embed, object, select', $('#'+this.settings.customContentDivId)).css({ 'visibility': 'visible' });
				}
				this._set_interface();
			},

			/**
			* Remove jQuery lightBox plugin HTML markup
			*
			*/
			_finish: function() {
				if (this.settings.customContentDivId) {
					$('#' + this.settings.customContentDivId).appendTo(this.settings.customContentDivParent).hide();
					this.settings.customContentDivParent = null;
					this.settings.customContentDivId = '';
				}
				$('#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' });
			},

			_set_interface: function() {
				// Apply the HTML markup into body tag
				$('form').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"></div>');
				// If custom content is used, check for custom content div Id and append it to previously created html structure.
				if (this.settings.customContentDivId) {
					var cContDiv = $('#' + this.settings.customContentDivId);

					if (cContDiv.length > 0) {
						this.settings.customContentDivParent = cContDiv.get(0).parentNode;
						//cContDiv.appendTo('#jquery-lightbox').click(function() {return false;}).show();
						cContDiv.appendTo('#jquery-lightbox').show();
						cContDiv.css({ margin: '0 auto' });
						$('.modalClose', cContDiv).click(function() { jQuery.lightBox._finish(); });
					}
					$('#jquery-overlay').click(function() { jQuery.lightBox._finish(); });
				} else {
					// Assigning click events in elements to close overlay
					$('#jquery-overlay,#jquery-lightbox').click(function() {
						jQuery.lightBox._finish();
					});
				}
				// Get page sizes
				var arrPageSizes = this._getPageSize();
				// Style overlay and show it
				$('#jquery-overlay').css({
					backgroundColor: this.settings.overlayBgColor,
					opacity: this.settings.overlayOpacity,
					width: arrPageSizes[0],
					height: arrPageSizes[1]
				}).fadeIn();
				// Get page scroll
				var arrPageScroll = this._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();
				// If window was resized, calculate the new overlay dimensions
				$(window).resize(function() {
					// Get page sizes
					var arrPageSizes = jQuery.lightBox._getPageSize();
					// Style overlay and show it
					$('#jquery-overlay').css({
						width: arrPageSizes[0],
						height: arrPageSizes[1]
					});
					// Get page scroll
					var arrPageScroll = jQuery.lightBox._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]
					});
				});
			},

			/**
			/ THIRD FUNCTION
			* getPageSize() by quirksmode.com
			*
			* @return Array Return an array with page width, height and window width, height
			*/
			_getPageSize: function() {
				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.
			*/
			_getPageScroll: function() {
				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;
			}
		};
		return new lightBox();
	})();

	$.fn.modalBox = function() {
		return this.unbind("click").click(jQuery.lightBox._init);
	}
})(jQuery);

(function($) {
	/**
	* $ is an alias to jQuery object
	*
	*/
	$.lightBoxManager = function() {
		var matchedObjects = this;
		
		var lightboxmanager = function() {
			this.settings = {
				// Configuration related to images
				imageLoading: 'images/lightbox-ico-loading.gif', 	// (string) Path and the name of the loading icon
				imageBtnPrev: 'images/lightbox-btn-prev.gif', 		// (string) Path and the name of the prev button image
				imageBtnNext: 'images/lightbox-btn-next.gif', 		// (string) Path and the name of the next button image
				imageBtnClose: 'images/lightbox-btn-close.gif', 	// (string) Path and the name of the close btn
				imageBlank: '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.
				// Donīt alter these variables in any way
				imageArray: [],
				activeImage: 0,
				isShowing: false
			};

			/**
			* Initializing the plugin calling the start function
			*
			* @return boolean false
			*/
			this._initialize = function(settings, jQueryMatchedObj, clickedObj) {
				// Settings to configure the jQuery lightBox plugin how you like
				this.settings = jQuery.extend(this.settings, settings);
				this._start(clickedObj, jQueryMatchedObj, null, 0); // This, in this context, refer to object (link) which the user have clicked

				return false; // Avoid the browser following the link
			};
		};
		
		lightboxmanager.prototype = {	
			/**
			* 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
			*/
			_start: function(objClicked, jQueryMatchedObj, imageArray, imageIndex) {
				jQuery.lightBox._start();
				// Unset total images in imageArray
				this.settings.imageArray.length = 0;
				// Unset image active information
				this.settings.activeImage = 0;
				
				if ( imageArray ) this.settings.imageArray = imageArray;

				// We have an image set? Or just an image? Letīs see it.
				if ( this.settings.imageArray.length == 0 ) {
					if ( jQueryMatchedObj.length == 1 ) {
						this.settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
					} else {
						this.settings.clickedUrl = objClicked.getAttribute('href');
						// Call the function to create the markup structure; style some elements; assign events in some elements.
						this._set_interface();

						// 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++) {
							this.settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title')));
						}
						this.setActiveImage();
					}
				} else {
					this._set_interface();
					this.settings.activeImage = imageIndex;
					this._set_image_to_view();
				}			
			},

			setActiveImage: function(clickedUrl) {
				if (this.settings.imageArray.length > 0) {
					while (this.settings.imageArray[this.settings.activeImage][0] != this.settings.clickedUrl) {
						this.settings.activeImage++;
					}

					// Call the function that prepares image exibition
					this._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="../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>
			*
			*/
			_set_interface: function() {
				// Apply the HTML markup into body tag
				$('#jquery-lightbox').append('<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="' + this.settings.imageLoading + '"></a></div></div><a href="#" id="lightbox-secNav-btnClose"></a></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"></div></div></div>');

				// Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
				$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
					jQuery.lightBox._finish();
					jQuery.lightBoxManager.settings.isShowing = false;
					return false;
				});
			},
			/**
			* Prepares image exibition; doing a imageīs preloader to calculate itīs size
			*
			*/
			_set_image_to_view: function() { // show the loading
				// Hide some elements
				/* ORIGINAL CODE : $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide(); */
				if (this.settings.isShowing) /* Modified for cleaner navigation */
					$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext').hide();
				else
					$('#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', jQuery.lightBoxManager.settings.imageArray[jQuery.lightBoxManager.settings.activeImage][0]);
					// Perfomance an effect in the image container resizing it
					jQuery.lightBoxManager._resize_container_image_box(objImagePreloader.width, objImagePreloader.height);
					//	clear onLoad, IE behaves irratically with animated gifs otherwise
					objImagePreloader.onload = function() { };
				};
				objImagePreloader.src = this.settings.imageArray[this.settings.activeImage][0];
			},
			/**
			* Perfomance an effect in the image container resizing it
			*
			* @param integer intImageWidth The imageīs width that will be showed
			* @param integer intImageHeight The imageīs height that will be showed
			*/
			_resize_container_image_box: function(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 + (this.settings.containerBorderSize * 2)); // Plus the imageīs width and the left and right padding value
				var intHeight = (intImageHeight + (this.settings.containerBorderSize * 2)); // Plus the imageīs height and the left and right padding value
				// Diferences
				var intDiffW = intCurrentWidth - intWidth;
				var intDiffH = intCurrentHeight - intHeight;
				// Perfomance the effect
				if (intDiffW != 0 && intDiffH != 0) $('#lightbox-container-image-data-box').hide(); /* Modified for cleaner navigation */
				$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight }, jQuery.lightBoxManager.settings.containerResizeSpeed, function() { jQuery.lightBoxManager._show_image(); });
				if ((intDiffW == 0) && (intDiffH == 0)) {
					if ($.browser.msie) {
						this.___pause(250);
					} else {
						this.___pause(100);
					}
				}
				$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (this.settings.containerBorderSize * 2) });
				$('#lightbox-container-image-data-box').css({ width: intImageWidth });
			},
			/**
			* Show the prepared image
			*
			*/
			_show_image: function() {
				$('#lightbox-loading').hide();
				if (this.settings.isShowing) $('#lightbox-container-image-data-box').show(); /* Modified for cleaner navigation */
				$('#lightbox-image').fadeIn(function() {
					jQuery.lightBoxManager._show_image_data();
					jQuery.lightBoxManager._set_navigation();
				});
				this._preload_neighbor_images();
			},
			/**
			* Show the image information
			*
			*/
			_show_image_data: function() {
				if (!this.settings.isShowing) {
					$('#lightbox-container-image-data-box').slideDown('fast');
					this.settings.isShowing = true;
				}
				$('#lightbox-image-details-caption').hide();
				if (this.settings.imageArray[this.settings.activeImage][1]) {
					$('#lightbox-image-details-caption').html(this.settings.imageArray[settings.activeImage][1]).show();
				}
				// If we have a image set, display 'Image X of X'
				if (this.settings.imageArray.length > 1) {
					$('#lightbox-image-details-currentNumber').html(this.settings.txtImage + ' ' + (this.settings.activeImage + 1) + ' ' + this.settings.txtOf + ' ' + this.settings.imageArray.length).show();
				}
			},
			/**
			* Display the button navigations
			*
			*/
			_set_navigation: function() {
				$('#lightbox-nav').show();

				// Instead to define this configuration in CSS file, we define here. And itīs need to IE. Just.
				//$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background': 'transparent url(' + this.settings.imageBlank + ') no-repeat' });

				// Show the prev button, if not the first image in set
				if (this.settings.activeImage != 0) {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnPrev').unbind().hover(function() {
						//$(this).css({ 'background': 'url(' + jQuery.lightBoxManager.settings.imageBtnPrev + ') no-repeat' });
						$(this).toggleClass('lightbox-nav-btnPrev-hover');
					}, function() {
						//$(this).css({ 'background': 'transparent url(' + jQuery.lightBoxManager.settings.imageBlank + ') no-repeat' });
						$(this).toggleClass('lightbox-nav-btnPrev-hover');
					}).show().bind('click', function() {
						jQuery.lightBoxManager.settings.activeImage = jQuery.lightBoxManager.settings.activeImage - 1;
						jQuery.lightBoxManager._set_image_to_view();
						return false;
					});
				}

				// Show the next button, if not the last image in set
				if (this.settings.activeImage != (this.settings.imageArray.length - 1)) {
					// Show the images button for Next buttons
					$('#lightbox-nav-btnNext').unbind().hover(function() {
						//$(this).css({ 'background': 'url(' + jQuery.lightBoxManager.settings.imageBtnNext + ') no-repeat' });
						$(this).toggleClass('lightbox-nav-btnNext-hover');
					}, function() {
						//$(this).css({ 'background': 'transparent url(' + jQuery.lightBoxManager.settings.imageBlank + ') no-repeat' });
						$(this).toggleClass('lightbox-nav-btnNext-hover');
					}).show().bind('click', function() {
						jQuery.lightBoxManager.settings.activeImage = jQuery.lightBoxManager.settings.activeImage + 1;
						jQuery.lightBoxManager._set_image_to_view();
						return false;
					});
				}
				// Enable keyboard navigation
				this._enable_keyboard_navigation();
			},
			/**
			* Enable a support to keyboard navigation
			*
			*/
			_enable_keyboard_navigation: function() {
				$(document).keydown(function(objEvent) {
					jQuery.lightBoxManager._keyboard_action(objEvent);
				});
			},
			/**
			* Disable the support to keyboard navigation
			*
			*/
			_disable_keyboard_navigation: function() {
				$(document).unbind();
			},
			/**
			* Perform the keyboard actions
			*
			*/
			_keyboard_action: function(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 == this.settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) {
					this._finish();
				}
				// Verify the key to show the previous image
				if ((key == this.settings.keyToPrev) || (keycode == 37)) {
					// If weīre not showing the first image, call the previous
					if (this.settings.activeImage != 0) {
						this.settings.activeImage = this.settings.activeImage - 1;
						this._set_image_to_view();
						this._disable_keyboard_navigation();
					}
				}
				// Verify the key to show the next image
				if ((key == this.settings.keyToNext) || (keycode == 39)) {
					// If weīre not showing the last image, call the next
					if (this.settings.activeImage != (this.settings.imageArray.length - 1)) {
						this.settings.activeImage = this.settings.activeImage + 1;
						this._set_image_to_view();
						this._disable_keyboard_navigation();
					}
				}
			},
			/**
			* Preload prev and next images being showed
			*
			*/
			_preload_neighbor_images: function() {
				if ((this.settings.imageArray.length - 1) > this.settings.activeImage) {
					objNext = new Image();
					objNext.src = this.settings.imageArray[this.settings.activeImage + 1][0];
				}
				if (this.settings.activeImage > 0) {
					objPrev = new Image();
					objPrev.src = this.settings.imageArray[this.settings.activeImage - 1][0];
				}
			},
			/**
			* Stop the code execution from a escified time in milisecond
			*
			*/
			___pause: function(ms) {
				var date = new Date();
				curDate = null;
				do { var curDate = new Date(); }
				while (curDate - date < ms);
			}
			
			//return this.unbind('click').click(_initialize);
		};
		
		return new lightboxmanager();
	}();
	
	$.fn.lightImgBox = function(settings) {
		// Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
		var jQueryMatchedObj = this;
		return this.unbind('click').click( function() { return $.lightBoxManager._initialize(settings, jQueryMatchedObj,  this); } );
	}
})(jQuery);         // Call and execute the function immediately passing the jQuery object