// For original FULL CODE COMMENTS grab the original lightbox source: http://www.huddletogether.com/projects/lightbox2/releases/lightbox2.03.3.zip // Lightbox v2.03.3 by Lokesh Dhakar // http://huddletogether.com/projects/lightbox2/ // Licensed under the Creative Commons Attribution 2.5 License // ----------------------------------------------------------------------------------- // Configuration var overlayOpacity = 0.8; // controls transparency of shadow overlay var animate = true; // toggles resizing animations var resizeSpeed = 9; // controls the speed of the image resizing animations (1=slowest and 10=fastest) var borderSize = 10; //if you adjust the padding in the CSS, you will need to update this variable // ----------------------------------------------------------------------------------- // Global Variables var imageArray = new Array; var activeImage; if(animate == true){ overlayDuration = 0.2; // shadow fade in/out duration if(resizeSpeed > 10){ resizeSpeed = 10;} if(resizeSpeed < 1){ resizeSpeed = 1;} resizeDuration = (11 - resizeSpeed) * 0.15; } else { overlayDuration = 0; resizeDuration = 0; } // ----------------------------------------------------------------------------------- // Additional methods for Element Object.extend(Element, { getWidth: function(element) { element = $(element); return element.offsetWidth; }, setWidth: function(element,w) { element = $(element); element.style.width = w +"px"; }, setHeight: function(element,h) { element = $(element); element.style.height = h +"px"; }, setTop: function(element,t) { element = $(element); element.style.top = t +"px"; }, setLeft: function(element,l) { element = $(element); element.style.left = l +"px"; }, setSrc: function(element,src) { element = $(element); element.src = src; }, setHref: function(element,href) { element = $(element); element.href = href; }, setInnerHTML: function(element,content) { element = $(element); element.innerHTML = content; } }); // ----------------------------------------------------------------------------------- // Extending built-in Array object // - array.removeDuplicates() // - array.empty() Array.prototype.removeDuplicates = function () { for(i = 0; i < this.length; i++){ for(j = this.length-1; j>i; j--){ if(this[i][0] == this[j][0]){ this.splice(j,1); } } } } // ----------------------------------------------------------------------------------- Array.prototype.empty = function () { for(i = 0; i <= this.length; i++){ this.shift(); } } // ----------------------------------------------------------------------------------- var Lightbox = Class.create(); Lightbox.prototype = { // initialize() // Constructor runs on completion of the DOM loading. Calls updateImageList and then // the function inserts html at the bottom of the page which is used to display the shadow // overlay and the image container. initialize: function() { this.updateImageList(); var objBody = document.getElementsByTagName("body").item(0); var objOverlay = document.createElement("div"); objOverlay.setAttribute('id','stimuli_overlay'); objOverlay.style.display = 'none'; objOverlay.onclick = function() { myLightbox.end(); } objBody.appendChild(objOverlay); var objLightbox = document.createElement("div"); objLightbox.setAttribute('id','stimuli_lightbox'); objLightbox.style.display = 'none'; objLightbox.onclick = function(e) { // close Lightbox if user clicks shadow overlay if (!e) var e = window.event; var clickObj = Event.element(e).id; if ( clickObj == 'stimuli_lightbox') { myLightbox.end(); } }; objBody.appendChild(objLightbox); var objOuterImageContainer = document.createElement("div"); objOuterImageContainer.setAttribute('id','stimuli_outerImageContainer'); objLightbox.appendChild(objOuterImageContainer); // When Lightbox starts it will resize itself from 250 by 250 to the current image dimension. // If animations are turned off, it will be hidden as to prevent a flicker of a // white 250 by 250 box. if(animate){ Element.setWidth('stimuli_outerImageContainer', 250); Element.setHeight('stimuli_outerImageContainer', 250); } else { Element.setWidth('stimuli_outerImageContainer', 1); Element.setHeight('stimuli_outerImageContainer', 1); } var objImageContainer = document.createElement("div"); objImageContainer.setAttribute('id','stimuli_imageContainer'); objOuterImageContainer.appendChild(objImageContainer); var objLightboxImage = document.createElement("img"); objLightboxImage.setAttribute('id','stimuli_lightboxImage'); objImageContainer.appendChild(objLightboxImage); var objHoverNav = document.createElement("div"); objHoverNav.setAttribute('id','stimuli_hoverNav'); objImageContainer.appendChild(objHoverNav); var objPrevLink = document.createElement("a"); objPrevLink.setAttribute('id','stimuli_prevLink'); objPrevLink.setAttribute('href','#'); objHoverNav.appendChild(objPrevLink); var objNextLink = document.createElement("a"); objNextLink.setAttribute('id','stimuli_nextLink'); objNextLink.setAttribute('href','#'); objHoverNav.appendChild(objNextLink); var objLoading = document.createElement("div"); objLoading.setAttribute('id','stimuli_loading'); objImageContainer.appendChild(objLoading); var objLoadingLink = document.createElement("a"); objLoadingLink.setAttribute('id','stimuli_loadingLink'); objLoadingLink.setAttribute('href','#'); objLoadingLink.onclick = function() { myLightbox.end(); return false; } objLoading.appendChild(objLoadingLink); var objImageDataContainer = document.createElement("div"); objImageDataContainer.setAttribute('id','stimuli_imageDataContainer'); objLightbox.appendChild(objImageDataContainer); var objImageData = document.createElement("div"); objImageData.setAttribute('id','stimuli_imageData'); objImageDataContainer.appendChild(objImageData); var objImageDetails = document.createElement("div"); objImageDetails.setAttribute('id','stimuli_imageDetails'); objImageData.appendChild(objImageDetails); var objCaption = document.createElement("span"); objCaption.setAttribute('id','stimuli_caption'); objImageDetails.appendChild(objCaption); var objNumberDisplay = document.createElement("span"); objNumberDisplay.setAttribute('id','stimuli_numberDisplay'); objImageDetails.appendChild(objNumberDisplay); var objBottomNav = document.createElement("div"); objBottomNav.setAttribute('id','stimuli_bottomNav'); objImageData.appendChild(objBottomNav); var objBottomNavCloseLink = document.createElement("a"); objBottomNavCloseLink.setAttribute('id','stimuli_bottomNavClose'); objBottomNavCloseLink.setAttribute('href','#'); objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; } objBottomNav.appendChild(objBottomNavCloseLink); }, // updateImageList() // Loops through anchor tags looking for 'lightbox' references and applies onclick // events to appropriate links. You can rerun after dynamically adding images w/ajax. updateImageList: function() { if (!document.getElementsByTagName){ return; } var anchors = document.getElementsByTagName('a'); var areas = document.getElementsByTagName('area'); // loop through all anchor tags for (var i=0; i 1){ Element.show('stimuli_numberDisplay'); Element.setInnerHTML( 'stimuli_numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length); } new Effect.Parallel( [ new Effect.SlideDown( 'stimuli_imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), new Effect.Appear('stimuli_imageDataContainer', { sync: true, duration: resizeDuration }) ], { duration: resizeDuration, afterFinish: function() { // update overlay size and update nav var arrayPageSize = getPageSize(); Element.setHeight('stimuli_overlay', arrayPageSize[1]); myLightbox.updateNav(); } } ); }, // updateNav() // Display appropriate previous and next hover navigation. updateNav: function() { Element.show('stimuli_hoverNav'); // if not first image in set, display prev image button if(activeImage != 0){ Element.show('stimuli_prevLink'); document.getElementById('stimuli_prevLink').onclick = function() { myLightbox.changeImage(activeImage - 1); return false; } } // if not last image in set, display next image button if(activeImage != (imageArray.length - 1)){ Element.show('stimuli_nextLink'); document.getElementById('stimuli_nextLink').onclick = function() { myLightbox.changeImage(activeImage + 1); return false; } } this.enableKeyboardNav(); }, // enableKeyboardNav() enableKeyboardNav: function() { document.onkeydown = this.keyboardAction; }, // disableKeyboardNav() disableKeyboardNav: function() { document.onkeydown = ''; }, // keyboardAction() keyboardAction: function(e) { if (e == null) { // ie keycode = event.keyCode; escapeKey = 27; } else { // mozilla keycode = e.keyCode; escapeKey = e.DOM_VK_ESCAPE; } key = String.fromCharCode(keycode).toLowerCase(); if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){ // close lightbox myLightbox.end(); } else if((key == 'p') || (keycode == 37)){ // display previous image if(activeImage != 0){ myLightbox.disableKeyboardNav(); myLightbox.changeImage(activeImage - 1); } } else if((key == 'n') || (keycode == 39)){ // display next image if(activeImage != (imageArray.length - 1)){ myLightbox.disableKeyboardNav(); myLightbox.changeImage(activeImage + 1); } } }, // preloadNeighborImages() // Preload previous and next images. preloadNeighborImages: function(){ if((imageArray.length - 1) > activeImage){ preloadNextImage = new Image(); preloadNextImage.src = imageArray[activeImage + 1][0]; } if(activeImage > 0){ preloadPrevImage = new Image(); preloadPrevImage.src = imageArray[activeImage - 1][0]; } }, // end() end: function() { this.disableKeyboardNav(); Element.hide('stimuli_lightbox'); new Effect.Fade('stimuli_overlay', { duration: overlayDuration}); showSelectBoxes(); showFlash(); } } // ----------------------------------------------------------------------------------- // getPageScroll() 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; } // ----------------------------------------------------------------------------------- // getPageSize() 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; } // ----------------------------------------------------------------------------------- // getKey(key) function getKey(e){ if (e == null) { // ie keycode = event.keyCode; } else { // mozilla keycode = e.which; } key = String.fromCharCode(keycode).toLowerCase(); if(key == 'x'){ } } // ----------------------------------------------------------------------------------- // listenKey() function listenKey () { document.onkeypress = getKey; } // --------------------------------------------------- function showSelectBoxes(){ var selects = document.getElementsByTagName("select"); for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "visible"; } } // --------------------------------------------------- function hideSelectBoxes(){ var selects = document.getElementsByTagName("select"); for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "hidden"; } } // --------------------------------------------------- function showFlash(){ var flashObjects = document.getElementsByTagName("object"); for (i = 0; i < flashObjects.length; i++) { flashObjects[i].style.visibility = "visible"; } var flashEmbeds = document.getElementsByTagName("embed"); for (i = 0; i < flashEmbeds.length; i++) { flashEmbeds[i].style.visibility = "visible"; } } // --------------------------------------------------- function hideFlash(){ var flashObjects = document.getElementsByTagName("object"); for (i = 0; i < flashObjects.length; i++) { flashObjects[i].style.visibility = "hidden"; } var flashEmbeds = document.getElementsByTagName("embed"); for (i = 0; i < flashEmbeds.length; i++) { flashEmbeds[i].style.visibility = "hidden"; } } // --------------------------------------------------- function stimuli_pause(ms){ var date = new Date(); curDate = null; do{var curDate = new Date();} while( curDate - date < ms); } // --------------------------------------------------- function initLightbox() { myLightbox = new Lightbox(); } Event.observe(window, 'load', initLightbox, false);