// ----------------------------------------------------------------------------------- // // Lightbox v2.03.3 // by Lokesh Dhakar - http://www.huddletogether.com // 5/21/06 // // For more information on this script, visit: // http://huddletogether.com/projects/lightbox2/ // // Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/ // // Credit also due to those who have helped, inspired, and made their code available to the public. // Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.com), Thomas Fuchs(mir.aculo.us), and others. // // // ----------------------------------------------------------------------------------- /* Table of Contents ----------------- Configuration Global Variables Extending Built-in Objects - Object.extend(Element) - Array.prototype.removeDuplicates() - Array.prototype.empty() Lightbox Class Declaration - initialize() - updateImageList() - start() - changeImage() - resizeImageContainer() - showImage() - updateDetails() - updateNav() - enableKeyboardNav() - disableKeyboardNav() - keyboardAction() - preloadNeighborImages() - end() Miscellaneous Functions - getPageScroll() - getPageSize() - getKey() - listenKey() - showSelectBoxes() - hideSelectBoxes() - showFlash() - hideFlash() - pause() - initLightbox() Function Calls - addLoadEvent(initLightbox) */ // ----------------------------------------------------------------------------------- // // Configuration // var fileLoadingImage = "http://festival.jazz.az/templates/festival/images/loading.gif"; var fileBottomNavCloseImage = "http://festival.jazz.az/templates/festival/images/close.gif"; var overlayOpacity = 0.8; // controls transparency of shadow overlay var animate = false; // toggles resizing animations var resizeSpeed = 7; // 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 added by SU, Couloir // - further additions by Lokesh Dhakar (huddletogether.com) // 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(); } } // ----------------------------------------------------------------------------------- // // Lightbox Class Declaration // - initialize() // - start() // - changeImage() // - resizeImageContainer() // - showImage() // - updateDetails() // - updateNav() // - enableKeyboardNav() // - disableKeyboardNav() // - keyboardNavAction() // - preloadNeighborImages() // - end() // // Structuring of code inspired by Scott Upton (http://www.uptonic.com/) // var Lightbox = Class.create(); var plink = ''; var nlink = ''; 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(anch) { this.updateImageList(); // Code inserts html at the bottom of the page that looks similar to this: // //
// var objBody = document.getElementsByTagName("body").item(0); var objOverlay = document.createElement("div"); objOverlay.setAttribute('id','overlay'); objOverlay.style.display = 'none'; objOverlay.onclick = function() { myLightbox.end(); } objBody.appendChild(objOverlay); var objLightbox = document.createElement("div"); objLightbox.setAttribute('id','lightbox'); objLightbox.style.display = 'none'; objLightbox.onclick = function(e) { // close Lightbox is user clicks shadow overlay if (!e) var e = window.event; var clickObj = Event.element(e).id; if ( clickObj == 'lightbox') { myLightbox.end(); } }; objBody.appendChild(objLightbox); var objOuterImageContainer = document.createElement("div"); objOuterImageContainer.setAttribute('id','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('outerImageContainer', 250); Element.setHeight('outerImageContainer', 250); } else { Element.setWidth('outerImageContainer', 739); Element.setHeight('outerImageContainer', 620); } var objImageContainer = document.createElement("div"); objImageContainer.setAttribute('id','imageContainer'); objOuterImageContainer.appendChild(objImageContainer); var objLightboxImage = document.createElement("img"); objLightboxImage.setAttribute('id','lightboxImage'); objImageContainer.appendChild(objLightboxImage); var objHoverNav = document.createElement("div"); objHoverNav.setAttribute('id','hoverNav'); objImageContainer.appendChild(objHoverNav); var objPrevLink = document.createElement("a"); objPrevLink.setAttribute('id','prevLink'); objPrevLink.setAttribute('href','#'); objHoverNav.appendChild(objPrevLink); plink=objPrevLink; var objNextLink = document.createElement("a"); objNextLink.setAttribute('id','nextLink'); objNextLink.setAttribute('href','#'); objHoverNav.appendChild(objNextLink); nlink=objNextLink; var objLoading = document.createElement("div"); objLoading.setAttribute('id','loading'); objImageContainer.appendChild(objLoading); var objLoadingLink = document.createElement("a"); objLoadingLink.setAttribute('id','loadingLink'); objLoadingLink.setAttribute('name','#'); objLoadingLink.onclick = function() { myLightbox.end(); return false; } objLoading.appendChild(objLoadingLink); var objLoadingImage = document.createElement("img"); objLoadingImage.setAttribute('src', fileLoadingImage); objLoadingLink.appendChild(objLoadingImage); var objImageDataContainer = document.createElement("div"); objImageDataContainer.setAttribute('id','imageDataContainer'); objLightbox.appendChild(objImageDataContainer); var objImageData = document.createElement("div"); objImageData.setAttribute('id','imageData'); objImageDataContainer.appendChild(objImageData); var objImageDetails = document.createElement("div"); objImageDetails.setAttribute('id','imageDetails'); objImageContainer.appendChild(objImageDetails); var objCaption = document.createElement("span"); objCaption.setAttribute('id','caption'); objImageDetails.appendChild(objCaption); var objNumberDisplay = document.createElement("span"); objNumberDisplay.setAttribute('id','numberDisplay'); objImageDetails.appendChild(objNumberDisplay); var objBottomNav = document.createElement("div"); objBottomNav.setAttribute('id','bottomNav'); objImageContainer.appendChild(objBottomNav); var objBottomNavCloseLink = document.createElement("a"); objBottomNavCloseLink.setAttribute('id','bottomNavClose'); objBottomNavCloseLink.setAttribute('href','#'); //objBottomNavCloseLink.onclick = function() { var tt = location.href.split('#'); location.href = tt[0]; return false; } objBottomNavCloseLink.onclick = function() { location.hash = 'galleryDefault'; myLightbox.end(); return false; } objBottomNav.appendChild(objBottomNavCloseLink); var objBottomNavCloseImage = document.createElement("img"); objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage); objBottomNavCloseLink.appendChild(objBottomNavCloseImage); }, // // 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 oHeight) { ICStyle = '101px'; CStyle = '129px'; } else {ICStyle = '43px'; CStyle = '215px'; } document.getElementById('imageContainer').style.paddingTop = ICStyle; document.getElementById('caption').style.paddingLeft = CStyle; //Element.setWidth( 'imageDataContainer', widthNew); this.showImage(); }, // // showImage() // Display image and begin preloading neighbors. // showImage: function(){ Element.hide('loading'); new Effect.Appear('lightboxImage', { duration: 0.6, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(); } }); this.preloadNeighborImages(); var oUrl = imageArray[activeImage][0].split('/'); var oImg = oUrl[oUrl.length-1].split('.'); var oHref = oImg[0]; location.href = '#' + oHref; }, // // updateDetails() // Display caption, image number, and bottom nav. // updateDetails: function() { // if caption is not null if(imageArray[activeImage][1]){ Element.show('caption'); Element.setInnerHTML( 'caption', imageArray[activeImage][1]); } // if image is part of set display 'Image x of x' if(imageArray.length > 1){ Element.show('numberDisplay'); //Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length); } new Effect.Parallel( [ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ], { duration: resizeDuration, afterFinish: function() { // update overlay size and update nav var arrayPageSize = getPageSize(); Element.setHeight('overlay', arrayPageSize[1]); myLightbox.updateNav(); } } ); }, // // updateNav() // Display appropriate previous and next hover navigation. // updateNav: function() { Element.show('hoverNav'); // if not first image in set, display prev image button if(activeImage != 0){ Element.show('prevLink'); document.getElementById('prevLink').onclick = function() { myLightbox.changeImage(activeImage - 1); return false; } } else { Element.show('prevLink'); document.getElementById('prevLink').onclick = function() { myLightbox.changeImage(imageArray.length - 2); return false; } } // if not last image in set, display next image button if(activeImage != (imageArray.length - 2)){ Element.show('nextLink'); document.getElementById('nextLink').onclick = function() { //location.href=nlink; myLightbox.changeImage(activeImage + 1); return false; } } else { Element.show('nextLink'); document.getElementById('nextLink').onclick = function() { myLightbox.changeImage(0); 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 - 2) > activeImage){ preloadNextImage = new Image(); preloadNextImage.src = imageArray[activeImage + 1][0]; var oUrl1 = imageArray[activeImage+1][0].split('/'); } else { preloadNextImage = new Image(); preloadNextImage.src = imageArray[0][0]; var oUrl1 = imageArray[0][0].split('/'); //alert(imageArray[0][0]); } if(activeImage > 0){ preloadPrevImage = new Image(); preloadPrevImage.src = imageArray[activeImage - 1][0]; var oUrl2 = imageArray[activeImage - 1][0].split('/'); } else { preloadPrevImage = new Image(); preloadPrevImage.src = imageArray[imageArray.length-1][0]; var oUrl2 = imageArray[imageArray.length - 2][0].split('/'); } var oImg1 = oUrl1[oUrl1.length-1].split('.'); var oHref1 = oImg1[0]; var oImg2 = oUrl2[oUrl2.length-1].split('.'); var oHref2 = oImg2[0]; document.getElementById('prevLink').setAttribute('href', '#' + oHref2); document.getElementById('nextLink').setAttribute('href', '#' + oHref1); }, // // end() // end: function() { this.disableKeyboardNav(); Element.hide('lightbox'); new Effect.Fade('overlay', { duration: overlayDuration}); showSelectBoxes(); showFlash(); } } // ----------------------------------------------------------------------------------- // // getPageScroll() // Returns array with x,y page scroll values. // Core code from - quirksmode.com // 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() // Returns array with page width, height and window width, height // Core code from - quirksmode.com // Edit for Firefox by pHaez // 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; // console.log(self.innerWidth); // console.log(document.documentElement.clientWidth); 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; } // console.log("xScroll " + xScroll) // console.log("windowWidth " + windowWidth) // for small pages with total width less then width of the viewport if(xScroll < windowWidth){ pageWidth = xScroll; } else { pageWidth = windowWidth; } // console.log("pageWidth " + pageWidth) arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) return arrayPageSize; } // ----------------------------------------------------------------------------------- // // getKey(key) // Gets keycode. If 'x' is pressed then it hides the lightbox. // 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"; } } // --------------------------------------------------- // // pause(numberMillis) // Pauses code execution for specified time. Uses busy code, not good. // Help from Ran Bar-On [ran2103@gmail.com] // function pause(ms){ var date = new Date(); curDate = null; do{var curDate = new Date();} while( curDate - date < ms); } /* function pause(numberMillis) { var curently = new Date().getTime() + sender; while (new Date().getTime(); } */ // ---------------------------------------------------