/** * jQuery Lightbox Plugin (balupton edition) - Lightboxes for jQuery * Copyright (C) 2008 Benjamin Arthur Lupton * http://jquery.com/plugins/project/jquerylightbox_bal * * This file is part of jQuery Lightbox (balupton edition). * * jQuery Lightbox (balupton edition) is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * jQuery Lightbox (balupton edition) is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with jQuery Lightbox (balupton edition). If not, see . * * @name jquery_lightbox: jquery.lightbox.js * @package jQuery Lightbox Plugin (balupton edition) * @version 1.3.7-final * @date April 25, 2009 * @category jQuery plugin * @author Benjamin "balupton" Lupton {@link http://www.balupton.com} * @copyright (c) 2008 Benjamin Arthur Lupton {@link http://www.balupton.com} * @license GNU Affero General Public License - {@link http://www.gnu.org/licenses/agpl.html} * @example Visit {@link http://jquery.com/plugins/project/jquerylightbox_bal} for more information. */ // Start of our jQuery Plugin (function($) { // Create our Plugin function, with $ as the argument (we pass the jQuery object over later) // More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias // Debug if ( typeof $.log === 'undefined' ) { if ( !$.browser.safari && typeof window.console !== 'undefined' && typeof window.console.log === 'function' ) { // Use window.console $.log = function(){ var args = []; for(var i = 0; i < arguments.length; i++) { args.push(arguments[i]); } window.console.log.apply(window.console, args); } $.console = { log: $.log, debug: window.console.debug || $.log, warn: window.console.warn || $.log, error: window.console.error || $.log, trace: window.console.trace || $.log } } else { // Don't use anything $.log = function ( ) { }; $.console = { log: $.log, debug: $.log, warn: $.log, error: alert, trace: $.log }; } } // Pre-Req $.params_to_json = $.params_to_json || function ( params ) { // Turns a params string or url into an array of params // Adjust params = String(params); // Remove url if need be params = params.substring(params.indexOf('?')+1); // params = params.substring(params.indexOf('#')+1); // Change + to %20, the %20 is fixed up later with the decode params = params.replace(/\+/g, '%20'); // Do we have JSON string if ( params.substring(0,1) === '{' && params.substring(params.length-1) === '}' ) { // We have a JSON string return eval(decodeURIComponent(params)); } // We have a params string params = params.split(/\&|\&\;/); var json = {}; // We have params for ( var i = 0, n = params.length; i < n; ++i ) { // Adjust var param = params[i] || null; if ( param === null ) { continue; } param = param.split('='); if ( param === null ) { continue; } // ^ We now have "var=blah" into ["var","blah"] // Get var key = param[0] || null; if ( key === null ) { continue; } if ( typeof param[1] === 'undefined' ) { continue; } var value = param[1]; // ^ We now have the parts // Fix key = decodeURIComponent(key); value = decodeURIComponent(value); try { // value can be converted value = eval(value); } catch ( e ) { // value is a normal string } // Set // console.log({'key':key,'value':value}, split); var keys = key.split('.'); if ( keys.length === 1 ) { // Simple json[key] = value; } else { // Advanced var path = ''; for ( ii in keys ) { // key = keys[ii]; path += '.'+key; eval('json'+path+' = json'+path+' || {}'); } eval('json'+path+' = value'); } // ^ We now have the parts added to your JSON object } return json; }; // Declare our class $.LightboxClass = function ( ) { // This is the handler for our constructor this.construct(); }; // Extend jQuery elements for Lightbox $.fn.lightbox = function ( options ) { // Init a el for Lightbox // Eg. $('#gallery a').lightbox(); // If need be: Instantiate $.LightboxClass to $.Lightbox $.Lightbox = $.Lightbox || new $.LightboxClass(); // Handle IE6 appropriatly if ( $.Lightbox.ie6 && !$.Lightbox.ie6_support ) { // We are IE6 and we want to ignore return this; // chain } // Establish options options = $.extend({start:false,events:true} /* default options */, options); // Get group var group = $(this); // Events? if ( options.events ) { // Add events $(group).unbind('click').click(function(){ // Get obj var obj = $(this); // Get rel // var rel = $(obj).attr('rel'); // Init group if ( !$.Lightbox.init($(obj)[0], group) ) { return false; } // Display lightbox if ( !$.Lightbox.start() ) { return false; } // Cancel href return false; }); // Add style $(group).addClass('lightbox-enabled'); } // Start? if ( options.start ) { // Start // Get obj var obj = $(this); // Get rel // var rel = $(obj).attr('rel'); // Init group if ( !$.Lightbox.init($(obj)[0], group) ) { return this; } // Display lightbox if ( !$.Lightbox.start() ) { return this; } } // And chain return this; }; // Define our class $.extend($.LightboxClass.prototype, { // Our LightboxClass definition // ----------------- // Everyting to do with images images: { // ----------------- // Variables // Our array of images list:[], /* [ { src: 'url to image', link: 'a link to a page', title: 'title of the image', name: 'name of the image', description: 'description of the image' } ], */ // The current active image image: false, // ----------------- // Functions prev: function ( image ) { // Get previous image // Get previous from current? if ( typeof image === 'undefined' ) { image = this.active(); if ( !image ) { return image; } } // Is there a previous? if ( this.first(image) ) { return false; } // Get the previous return this.get(image.index-1); }, next: function ( image ) { // Get next image // Get next from current? if ( typeof image === 'undefined' ) { image = this.active(); if ( !image ) { return image; } } // Is there a next? if ( this.last(image) ) { return false; } // Get the next return this.get(image.index+1); }, first: function ( image ) { // // Get the first image? if ( typeof image === 'undefined' ) { return this.get(0); } // Are we the first? return image.index === 0; }, last: function ( image ) { // // Get the last image? if ( typeof image === 'undefined' ) { return this.get(this.size()-1); } // Are we the last? return image.index === this.size()-1; }, single: function ( ) { // Are we only one return this.size() === 1; }, size: function ( ) { // How many images do we have return this.list.length; }, empty: function ( ) { // Are we empty return this.size() === 0; }, clear: function ( ) { // Clear image arrray this.list = []; this.image = false; }, active: function ( image ) { // Set or get the active image // Use false to reset // Get the active image? if ( typeof image === 'undefined' ) { return this.image; } // Set the ative image if ( image !== false ) { // Make sure image exists image = this.get(image); if ( !image ) { // Error return image; } } // Set the active image this.image = image; return true; }, add: function ( obj ) { // Do we need to recurse? if ( obj[0] ) { // We have a lot of images for ( var i = 0; i < obj.length; i++ ) { this.add(obj[i]); } return true; } // Default image // Try and create a image var image = this.create(obj); if ( !image ) { return image; } // Set image index image.index = this.size(); // Push image this.list.push(image); // Success return true; }, create: function ( obj ) { // Create image // Define var image = { // default src: '', title: 'Untitled', description: '', name: '', index: -1, color: null, width: null, height: null, image: true }; // Create if ( obj.image ) { // Already a image, so copy over values image.src = obj.src || image.src; image.title = obj.title || image.title; image.description = obj.description || image.description; image.name = obj.name || image.name; image.color = obj.color || image.color; image.width = obj.width || image.width; image.height = obj.height || image.height; image.index = obj.index || image.index; } else if ( obj.tagName ) { // We are an element obj = $(obj); if ( obj.attr('src') || obj.attr('href') ) { image.src = obj.attr('src') || obj.attr('href'); image.title = obj.attr('title') || obj.attr('alt') || image.title; image.name = obj.attr('name') || ''; image.color = obj.css('backgroundColor'); // Extract description from title var s = image.title.indexOf(': '); if ( s > 0 ) { // Description exists image.description = image.title.substring(s+2) || image.description; image.title = image.title.substring(0,s) || image.title; } } else { // Unsupported element image = false; } } else { // Unknown image = false; } if ( !image ) { // Error $.console.error('We dont know what we have:', obj); return false; } // Success return image; }, get: function ( image ) { // Get the active, or specified image // Establish image if ( typeof image === 'undefined' || image === null ) { // Get the active image return this.active(); } else if ( typeof image === 'number' ) { // We have a index // Get image image = this.list[image] || false; } else { // Create image = this.create(image); if ( !image ) { return false; } // Find var f = false; for ( var i = 0; i < this.size(); i++ ) { var c = this.list[i]; if ( c.src === image.src && c.title === image.title && c.description === image.description ) { f = c; } } // Found? image = f; } // Determine image if ( !image ) { // Image doesn't exist $.console.error('The desired image does not exist: ', image, this.list); return false; } // Return image return image; }, debug: function ( ) { return $.Lightbox.debug(arguments); } }, // ----------------- // Variables constructed: false, compressed: null, // ----------------- // Options src: null, // the source location of our js file baseurl: null, files: { compressed: { js: { lightbox: 'js/jquery.lightbox.min.js', colorBlend: 'js/jquery.color.min.js' }, css: { lightbox: 'css/jquery.lightbox.css' } }, uncompressed: { js: { lightbox: 'js/jquery.lightbox.js', colorBlend: 'js/jquery.color.js' }, css: { lightbox: 'css/jquery.lightbox.css' } }, images: { prev: 'images/prev.gif', next: 'images/next.gif', blank: 'images/blank.gif', loading: 'images/loading.gif' } }, text: { // For translating image: 'Image', of: 'of', close: 'Close X', closeInfo: 'You can also click anywhere outside the image to close.', download: 'Download.', help: { close: 'Click to close', interact: 'Hover to interact' }, about: { text: '', title: '', //link: '' } }, keys: { close: 'c', prev: 'p', next: 'n' }, handlers: { // For custom actions show: null }, opacity: 0.9, padding: null, // if null - autodetect speed: 400, // Duration of effect, milliseconds rel: 'lightbox', // What to look for in the rels auto_relify: true, // should we automaticly do the rels? auto_scroll: 'follow', // should the lightbox scroll with the page? follow, disabled, ignore auto_resize: true, // true or false ie6: null, // are we ie6? ie6_support: true, // have ie6 support ie6_upgrade: true, // show ie6 upgrade message colorBlend: null, // null - auto-detect, true - force, false - no download_link: true, // Display the download link show_helper_text: true, // Display the helper text up the top right show_linkback: true, // true, false show_info: 'auto', // auto - automaticly handle, true - force show_extended_info: 'auto', // auto - automaticly handle, true - force // names of the options that can be modified options: ['show_helper_text', 'auto_scroll', 'auto_resize', 'download_link', 'show_info', 'show_extended_info', 'ie6_support', 'ie6_upgrade', 'colorBlend', 'baseurl', 'files', 'text', 'show_linkback', 'keys', 'opacity', 'padding', 'speed', 'rel', 'auto_relify'], // ----------------- // Functions construct: function ( options ) { // Construct our Lightbox // ------------------- // Prepare // Initial construct var initial = typeof this.constructed === 'undefined' || this.constructed === false; this.constructed = true; // Perform domReady var domReady = initial; // Prepare options options = options || {}; // ------------------- // Handle files // Prepend function to use later var prepend = function(item, value) { if ( typeof item === 'object' ) { for (var i in item) { item[i] = prepend(item[i], value); } } else if ( typeof value === 'array' ) { for (var i=0,n=item.length; i= 0 ) { // Is IE6 this.ie6 = true; } else { // We are not IE6 this.ie6 = false; } // ------------------- // Handle our DOM if ( domReady || typeof options.download_link !== 'undefined' || typeof options.colorBlend !== 'undefined' || typeof options.files === 'object' || typeof options.text === 'object' || typeof options.show_linkback !== 'undefined' || typeof options.scroll_with !== 'undefined' ) { // We have reason to handle the dom $(function() { // DOM is ready, so fire our DOM handler $.Lightbox.domReady(); }); } // ------------------- // Finish Up // All good return true; }, domReady: function ( ) { // ------------------- // Include resources // Grab resources var bodyEl = document.getElementsByTagName($.browser.safari ? 'head' : 'body')[0]; var stylesheets = this.files.css; var scripts = this.files.js; // Handle IE6 appropriatly if ( this.ie6 && this.ie6_upgrade ) { // Add the upgrade message scripts.ie6 = 'http://www.savethedevelopers.org/say.no.to.ie.6.js'; } // colorBlend if ( this.colorBlend === true && typeof $.colorBlend === 'undefined' ) { // Force colorBlend this.colorBlend = true; // Leave file in place to be loaded } else { // We either have colorBlend or we don't this.colorBlend = typeof $.colorBlend !== 'undefined'; // Remove colorBlend file delete scripts.colorBlend; } // Include stylesheets for ( stylesheet in stylesheets ) { var linkEl = document.createElement('link'); linkEl.type = 'text/css'; linkEl.rel = 'stylesheet'; linkEl.media = 'screen'; linkEl.href = stylesheets[stylesheet]; linkEl.id = 'lightbox-stylesheet-'+stylesheet.replace(/[^a-zA-Z0-9]/g, ''); $('#'+linkEl.id).remove(); bodyEl.appendChild(linkEl); } // Include javascripts for ( script in scripts ) { var scriptEl = document.createElement('script'); scriptEl.type = 'text/javascript'; scriptEl.src = scripts[script]; scriptEl.id = 'lightbox-script-'+script.replace(/[^a-zA-Z0-9]/g, ''); $('#'+scriptEl.id).remove(); bodyEl.appendChild(scriptEl); } // Cleanup delete scripts; delete stylesheets; delete bodyEl; // ------------------- // Append display // Append markup $('#lightbox,#lightbox-overlay').remove(); $('body').append(''); // Update Boxes - for some crazy reason this has to be before the hide in safari and konqueror this.resizeBoxes(); this.repositionBoxes(); // Hide $('#lightbox,#lightbox-overlay,#lightbox-overlay-text-interact').hide(); // ------------------- // Browser specifics // Handle IE6 if ( this.ie6 && this.ie6_support ) { // Support IE6 // IE6 does not support fixed positioning so absolute it // ^ This is okay as we disable scrolling $('#lightbox-overlay').css({ position: 'absolute', top: '0px', left: '0px' }); } // ------------------- // Preload Images // Cycle and preload $.each(this.files.images, function() { // Proload the image var preloader = new Image(); preloader.onload = function() { preloader.onload = null; preloader = null; }; preloader.src = this; }); // ------------------- // Apply events // If the window resizes, act appropriatly $(window).unbind('resize').resize(function () { // The window has been resized $.Lightbox.resizeBoxes('resized'); }); // If the window scrolls, act appropriatly if ( this.scroll === 'follow' ) { // We want to $(window).scroll(function () { // The window has scrolled $.Lightbox.repositionBoxes(); }); } // Prev $('#lightbox-nav-btnPrev').unbind().hover(function() { // over $(this).css({ 'background' : 'url(' + $.Lightbox.files.images.prev + ') left 45% no-repeat' }); },function() { // out $(this).css({ 'background' : 'transparent url(' + $.Lightbox.files.images.blank + ') no-repeat' }); }).click(function() { $.Lightbox.showImage($.Lightbox.images.prev()); return false; }); // Next $('#lightbox-nav-btnNext').unbind().hover(function() { // over $(this).css({ 'background' : 'url(' + $.Lightbox.files.images.next + ') right 45% no-repeat' }); },function() { // out $(this).css({ 'background' : 'transparent url(' + $.Lightbox.files.images.blank + ') no-repeat' }); }).click(function() { $.Lightbox.showImage($.Lightbox.images.next()); return false; }); // Help if ( this.show_linkback ) { // Linkback exists so add handler $('#lightbox-overlay-text-about a').click(function(){window.open($.Lightbox.text.about.link); return false;}); } $('#lightbox-overlay-text-close').unbind().hover( function(){ $('#lightbox-overlay-text-interact').fadeIn(); }, function(){ $('#lightbox-overlay-text-interact').fadeOut(); } ); // Image link $('#lightbox-caption-title').click(function(){window.open($(this).attr('href')); return false;}); // Assign close clicks $('#lightbox-overlay, #lightbox, #lightbox-loading-link, #lightbox-btnClose').unbind().click(function() { $.Lightbox.finish(); return false; }); // ------------------- // Finish Up // Relify if ( this.auto_relify ) { // We want to relify, no the user this.relify(); } // All good return true; }, relify: function ( ) { // Create event // var groups = {}; var groups_n = 0; var orig_rel = this.rel; // Create the groups $.each($('[rel*='+orig_rel+']'), function(index, obj){ // Get the group var rel = $(obj).attr('rel'); // Are we really a group if ( rel === orig_rel ) { // We aren't rel = groups_n; // we are individual } // Does the group exist if ( typeof groups[rel] === 'undefined' ) { // Make the group groups[rel] = []; groups_n++; } // Append the image groups[rel].push(obj); }); // Lightbox groups $.each(groups, function(index, group){ $(group).lightbox(); }); // Done return true; }, init: function ( image, images ) { // Init a batch of lightboxes // Establish images if ( typeof images === 'undefined' ) { images = image; image = 0; } // Clear this.images.clear(); // Add images if ( !this.images.add(images) ) { return false; } // Do we need to bother if ( this.images.empty() ) { // No images $.console.warn('WARNING', 'Lightbox started, but no images: ', image, images); return false; } // Set active if ( !this.images.active(image) ) { return false; } // Done return true; }, start: function ( ) { // Display the lightbox // We are alive this.visible = true; // Adjust scrolling if ( this.scroll === 'disable' ) { // $(document.body).css('overflow', 'hidden'); } // Fix attention seekers $('embed, object, select').css('visibility', 'hidden');//.hide(); - don't use this, give it a go, find out why! // Resize the boxes appropriatly this.resizeBoxes('general'); // Reposition the Boxes this.repositionBoxes({'speed':0}); // Hide things $('#lightbox-infoFooter').hide(); // we hide this here because it makes the display smoother $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide(); // Display the boxes $('#lightbox-overlay').css('opacity',this.opacity).fadeIn(400, function(){ // Show the lightbox $('#lightbox').fadeIn(300); // Display first image if ( !$.Lightbox.showImage($.Lightbox.images.active()) ) { $.Lightbox.finish(); return false; } }); // All done return true; }, finish: function ( ) { // Get rid of lightbox // Hide lightbox $('#lightbox').hide(); $('#lightbox-overlay').fadeOut(function() { $('#lightbox-overlay').hide(); }); // Fix attention seekers $('embed, object, select').css({ 'visibility' : 'visible' });//.show(); // Kill active image this.images.active(false); // Adjust scrolling if ( this.scroll === 'disable' ) { // $(document.body).css('overflow', 'visible'); } // We are dead this.visible = false; }, resizeBoxes: function ( type ) { // Resize the boxes // Used on transition or window resize // Resize Overlay if ( type !== 'transition' ) { // We don't care for transition var $body = $(this.ie6 ? document.body : document); $('#lightbox-overlay').css({ width: $body.width(), height: $body.height() }); delete $body; } // Handle cases switch ( type ) { case 'general': // general resize (start of lightbox) return true; break; case 'resized': // window was resized if ( this.auto_resize === false ) { // Stop // Reposition this.repositionBoxes({'nHeight':nHeight, 'speed':this.speed}); return true; } case 'transition': // transition between images default: // unknown break; } // Get image var image = this.images.active(); if ( !image || !image.width || !this.visible ) { // No image or no visible lightbox, so we don't care //$.console.warn('A resize occured while no image or no lightbox...'); return false; } // Resize image box // i:image, w:window, b:box, c:current, n:new, d:difference // Get image dimensions var iWidth = image.width; var iHeight = image.height; // Get window dimensions var wWidth = $(window).width(); var wHeight = $(window).height(); // Check if we are in size // Lightbox can take up 4/5 of size if ( this.auto_resize !== false ) { // We want to auto resize var maxWidth = Math.floor(wWidth*(4/5)); var maxHeight = Math.floor(wHeight*(4/5)); var resizeRatio; while ( iWidth > maxWidth || iHeight > maxHeight ) { // We need to resize if ( iWidth > maxWidth ) { // Resize width, then height proportionally resizeRatio = maxWidth/iWidth; iWidth = maxWidth; iHeight = Math.floor(iHeight*resizeRatio); } if ( iHeight > maxHeight ) { // Resize height, then width proportionally resizeRatio = maxHeight/iHeight; iHeight = maxHeight; iWidth = Math.floor(iWidth*resizeRatio); } } } // Get current width and height var cWidth = $('#lightbox-imageBox').width(); var cHeight = $('#lightbox-imageBox').height(); // Get the width and height of the selected image plus the padding // padding*2 for both sides (left+right || top+bottom) var nWidth = (iWidth + (this.padding * 2)); var nHeight = (iHeight + (this.padding * 2)); // Diferences var dWidth = cWidth - nWidth; var dHeight = cHeight - nHeight; // Set the overlay buttons height and the infobox width // Other dimensions specified by CSS $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css('height', nHeight); $('#lightbox-infoBox').css('width', nWidth); // Handle final action if ( type === 'transition' ) { // We are transition // Do we need to wait? (just a nice effect to counter the other if ( dWidth === 0 && dHeight === 0 ) { // We are the same size this.pause(this.speed/3); this.showImage(null, 3); } else { // We are not the same size // Animate $('#lightbox-image').width(iWidth).height(iHeight); $('#lightbox-imageBox').animate({width: nWidth, height: nHeight}, this.speed, function ( ) { $.Lightbox.showImage(null, 3); } ); } } else { // We are a resize // Animate Lightbox $('#lightbox-image').animate({width:iWidth, height:iHeight}, this.speed); $('#lightbox-imageBox').animate({width: nWidth, height: nHeight}, this.speed); } // Reposition this.repositionBoxes({'nHeight':nHeight, 'speed':this.speed}); // Done return true; }, repositioning: false, // are we currently repositioning reposition_failsafe: false, // failsafe repositionBoxes: function ( options ) { // Prepare if ( this.repositioning ) { // Already here this.reposition_failsafe = true; return null; } this.repositioning = true; // Options options = $.extend({}, options); options.callback = options.callback || null; options.speed = options.speed || 'slow'; // Get page scroll var pageScroll = this.getPageScroll(); // Figure it out // alert($(window).height()+"\n"+$(document.body).height()+"\n"+$(document).height()); // var nHeight = options.nHeight || parseInt($('#lightbox').height(),10) || $(document).height()/3; var nHeight = options.nHeight || parseInt($('#lightbox').height(),10); // Display lightbox in center // var nTop = pageScroll.yScroll + ($(document.body).height() /*frame height*/ - nHeight) / 2.5; var nTop = pageScroll.yScroll + ($(window).height() /*frame height*/ - nHeight) / 2.5; var nLeft = pageScroll.xScroll; // Animate var css = { left: nLeft, top: nTop }; if (options.speed) { $('#lightbox').animate(css, 'slow', function(){ if ( $.Lightbox.reposition_failsafe ) { // Fire again $.Lightbox.repositioning = $.Lightbox.reposition_failsafe = false; $.Lightbox.repositionBoxes(options); } else { // Done $.Lightbox.repositioning = false; if ( options.callback ) { // Call the user callback options.callback(); } } }); } else { $('#lightbox').css(css); if ( this.reposition_failsafe ) { // Fire again this.repositioning = this.reposition_failsafe = false; this.repositionBoxes(options); } else { // Done this.repositioning = false; } } // Done return true; }, visible: false, showImage: function ( image, step ) { // Establish image image = this.images.get(image); if ( !image ) { return image; } // Default step step = step || 1; // Split up below for jsLint compliance var skipped_step_1 = step > 1 && this.images.active().src !== image.src; var skipped_step_2 = step > 2 && $('#lightbox-image').attr('src') !== image.src; if ( skipped_step_1 || skipped_step_2 ) { // Force step 1 $.console.info('We wanted to skip a few steps: ', image, step, skipped_step_1, skipped_step_2); step = 1; } // What do we need to do switch ( step ) { // --------------------------------- // We need to preload case 1: // Disable keyboard nav this.KeyboardNav_Disable(); // Show the loading image $('#lightbox-loading').show(); // Hide things $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide(); // Remove show info events $('#lightbox-imageBox').unbind(); // ^ Why? Because otherwise when the image is changing, the info pops out, not good! // Make the image the active image if ( !this.images.active(image) ) { return false; } // Check if we need to preload if ( image.width && image.height ) { // We don't // Continue to next step this.showImage(null, 2); } else { // We do // Create preloader var preloader = new Image(); // Set callback preloader.onload = function() { // We have preloaded the image // Update image with our new info image.width = preloader.width; image.height = preloader.height; // Continue to next step $.Lightbox.showImage(null, 2); // Kill preloader preloader.onload = null; preloader = null; }; // Start preload preloader.src = image.src; } // Done break; // --------------------------------- // Resize the container case 2: // Apply image changes $('#lightbox-image').attr('src', image.src); // Set container border (Moved here for Konqueror fix - Credits to Blueyed) if ( typeof this.padding === 'undefined' || this.padding === null || isNaN(this.padding) ) { // Autodetect this.padding = parseInt($('#lightbox-imageContainer').css('padding-left'), 10) || parseInt($('#lightbox-imageContainer').css('padding'), 10) || 0; } // Use colorBlend? if ( this.colorBlend ) { // We have colorBlend // Background $('#lightbox-overlay').animate({'backgroundColor':image.color}, this.speed*2); // Border $('#lightbox-imageBox').css('borderColor', image.color); } // Resize boxes this.resizeBoxes('transition'); // ^ contains callback to next step // Done break; // --------------------------------- // Display the image case 3: // Hide loading $('#lightbox-loading').hide(); // Animate image $('#lightbox-image').fadeIn(this.speed*1.5, function() {$.Lightbox.showImage(null, 4); }); // Start the proloading of other images this.preloadNeighbours(); // Fire custom handler show if ( this.handlers.show !== null ) { // Fire it this.handlers.show(image); } // Done break; // --------------------------------- // Set image info / Set navigation case 4: // --------------------------------- // Set image info // Hide and set image info var $title = $('#lightbox-caption-title').html(image.title || 'Untitled'); if ( this.download_link ) { $title.attr('href', this.download_link ? image.src : ''); } delete $title; $('#lightbox-caption-seperator').html(image.description ? ': ' : ''); $('#lightbox-caption-description').html(image.description || ' '); // If we have a set, display image position if ( this.images.size() > 1 ) { // Display $('#lightbox-currentNumber').html(this.text.image + ' ' + ( image.index + 1 ) + ' ' + this.text.of + ' ' + this.images.size()); } else { // Empty $('#lightbox-currentNumber').html(' '); } // --------------------------------- // Info events // Apply event $('#lightbox-imageBox').unbind('mouseover').mouseover(function(){ $('#lightbox-infoBox:not(:visible)').stop().slideDown('fast'); }); // Apply event $('#lightbox-infoBox').unbind('mouseover').mouseover(function(){ $('#lightbox-infoFooter:not(:visible)').stop().slideDown('fast'); }); // Forced show? if ( this.show_extended_info === true ) { // Force show $('#lightbox-imageBox').trigger('mouseover'); $('#lightbox-infoBox').trigger('mouseover'); } else if ( this.show_info === true ) { // Force show $('#lightbox-imageBox').trigger('mouseover'); } // --------------------------------- // Set navigation // 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(' + this.files.images.blank + ') no-repeat' }); // If not first, show previous button if ( !this.images.first(image) ) { // Not first, show button $('#lightbox-nav-btnPrev').show(); } // If not last, show next button if ( !this.images.last(image) ) { // Not first, show button $('#lightbox-nav-btnNext').show(); } // Make navigation active / show it $('#lightbox-nav').show(); // Enable keyboard navigation this.KeyboardNav_Enable(); // Done break; // --------------------------------- // Error handling default: $.console.error('Don\'t know what to do: ', image, step); return this.showImage(image, 1); // break; } // All done return true; }, preloadNeighbours: function ( ) { // Preload all neighbour images // Do we need to do this? if ( this.images.single() || this.images.empty() ) { return true; } // Get active image var image = this.images.active(); if ( !image ) { return image; } // Load previous var prev = this.images.prev(image); var objNext; if ( prev ) { objNext = new Image(); objNext.src = prev.src; } // Load next var next = this.images.next(image); if ( next ) { objNext = new Image(); objNext.src = next.src; } }, // -------------------------------------------------- // Things we don't really care about KeyboardNav_Enable: function ( ) { $(document).keydown(function(objEvent) { $.Lightbox.KeyboardNav_Action(objEvent); }); }, KeyboardNav_Disable: function ( ) { $(document).unbind('keydown'); }, KeyboardNav_Action: function ( objEvent ) { // Prepare objEvent = objEvent || window.event; // Get the keycode var keycode = objEvent.keyCode; var escapeKey = objEvent.DOM_VK_ESCAPE /* moz */ || 27; // Get key var key = String.fromCharCode(keycode).toLowerCase(); // Close? if ( key === this.keys.close || keycode === escapeKey ) { return $.Lightbox.finish(); } // Prev? if ( key === this.keys.prev || keycode === 37 ) { // We want previous return $.Lightbox.showImage($.Lightbox.images.prev()); } // Next? if ( key === this.keys.next || keycode === 39 ) { // We want next return $.Lightbox.showImage($.Lightbox.images.next()); } // Unknown return true; }, getPageScroll: function ( ) { var xScroll, yScroll; if (self.pageYOffset) { // Some browser 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 browsers yScroll = document.body.scrollTop; xScroll = document.body.scrollLeft; } var arrayPageScroll = {'xScroll':xScroll,'yScroll':yScroll}; return arrayPageScroll; }, pause: function ( ms ) { var date = new Date(); var curDate = null; do { curDate = new Date(); } while ( curDate - date < ms); } }); // We have finished extending/defining our LightboxClass // -------------------------------------------------- // Finish up // Instantiate if ( typeof $.Lightbox === 'undefined' ) { // $.Lightbox = new $.LightboxClass(); } // Finished definition })(jQuery); // We are done with our plugin, so lets call it with jQuery as the argument