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Path : /home/admin/public_html/old/promice/js/ |
Current File : /home/admin/public_html/old/promice/js/litebox-1.0.js |
// ----------------------------------------------------------------------------------- // // Litebox v1.0 // A combined effort between detrate and gannon // 07/03/06 // // Source edited from Lightbox v2.02 // by Lokesh Dhakar - http://www.huddletogether.com // // For more information on this script, visit: // http://doknowevil.net/litebox // // 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.org), Thomas Fuchs(mir.aculo.us), and others. // // ----------------------------------------------------------------------------------- // // Configuration // var fileLoadingImage = "images/loading.gif"; var fileBottomNavCloseImage = "images/closelabel.gif"; var resizeSpeed = 6; // controls the speed of the image resizing (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(resizeSpeed > 10){ resizeSpeed = 10;} if(resizeSpeed < 1){ resizeSpeed = 1;} resizeDuration = (11 - resizeSpeed) * 100; // ----------------------------------------------------------------------------------- // // Additional methods for Element added by SU, Couloir // - further additions by Lokesh Dhakar (huddletogether.com) // Object.extend(Element, { hide: function() { for (var i = 0; i < arguments.length; i++) { var element = $(arguments[i]); element.style.display = 'none'; } }, show: function() { for (var i = 0; i < arguments.length; i++) { var element = $(arguments[i]); element.style.display = ''; } }, getWidth: function(element) { element = $(element); return element.offsetWidth; }, setWidth: function(element,w) { element = $(element); element.style.width = w +"px"; }, getHeight: function(element) { element = $(element); return element.offsetHeight; }, setHeight: function(element,h) { element = $(element); element.style.height = h +"px"; }, setTop: function(element,t) { element = $(element); element.style.top = t +"px"; }, setSrc: function(element,src) { element = $(element); element.src = src; }, setInnerHTML: function(element,content) { element = $(element); element.innerHTML = content; } }); // ----------------------------------------------------------------------------------- // // Extending built-in Array object // Array.prototype.removeDuplicates = function () { for(i = 1; i < this.length; i++){ if(this[i][0] == this[i-1][0]){ this.splice(i,1); } } } Array.prototype.empty = function () { for(i = 0; i <= this.length; i++){ this.shift(); } } // ----------------------------------------------------------------------------------- // // Structuring of code inspired by Scott Upton (http://www.uptonic.com/) // var Lightbox = Class.create(); Lightbox.prototype = { // initialize() // Constructor runs on completion of the DOM loading. Loops through anchor tags looking for // 'lightbox' references and applies onclick events to appropriate links. The 2nd section of // the function inserts html at the bottom of the page which is used to display the shadow // overlay and the image container. // initialize: function() { if (!document.getElementsByTagName){ return; } var anchors = document.getElementsByTagName('a'); // loop through all anchor tags for (var i=0; i<anchors.length; i++){ var anchor = anchors[i]; var relAttribute = String(anchor.getAttribute('rel')); // use the string.match() method to catch 'lightbox' references in the rel attribute if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){ anchor.onclick = function () {myLightbox.start(this); return false;} } } var objBody = document.getElementsByTagName("body").item(0); var objOverlay = document.createElement("div"); objOverlay.setAttribute('id','overlay'); objOverlay.onclick = function() { myLightbox.end(); return false; } objBody.appendChild(objOverlay); var objLightbox = document.createElement("div"); objLightbox.setAttribute('id','lightbox'); objLightbox.style.display = 'none'; objBody.appendChild(objLightbox); var objOuterImageContainer = document.createElement("div"); objOuterImageContainer.setAttribute('id','outerImageContainer'); objLightbox.appendChild(objOuterImageContainer); 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); var objNextLink = document.createElement("a"); objNextLink.setAttribute('id','nextLink'); objNextLink.setAttribute('href','#'); objHoverNav.appendChild(objNextLink); var objLoading = document.createElement("div"); objLoading.setAttribute('id','loading'); objImageContainer.appendChild(objLoading); var objLoadingLink = document.createElement("a"); objLoadingLink.setAttribute('id','loadingLink'); objLoadingLink.setAttribute('href','#'); 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'); objImageDataContainer.className = 'clearfix'; objLightbox.appendChild(objImageDataContainer); var objImageData = document.createElement("div"); objImageData.setAttribute('id','imageData'); objImageDataContainer.appendChild(objImageData); var objImageDetails = document.createElement("div"); objImageDetails.setAttribute('id','imageDetails'); objImageData.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'); objImageData.appendChild(objBottomNav); var objBottomNavCloseLink = document.createElement("a"); objBottomNavCloseLink.setAttribute('id','bottomNavClose'); objBottomNavCloseLink.setAttribute('href','#'); objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; } objBottomNav.appendChild(objBottomNavCloseLink); var objBottomNavCloseImage = document.createElement("img"); objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage); objBottomNavCloseLink.appendChild(objBottomNavCloseImage); overlayEffect = new fx.Opacity(objOverlay, { duration: 300 }); overlayEffect.hide(); imageEffect = new fx.Opacity(objLightboxImage, { duration: 350, onComplete: function() { imageDetailsEffect.custom(0,1); }}); imageEffect.hide(); imageDetailsEffect = new fx.Opacity('imageDataContainer', { duration: 400, onComplete: function() { navEffect.custom(0,1); }}); imageDetailsEffect.hide(); navEffect = new fx.Opacity('hoverNav', { duration: 100 }); navEffect.hide(); }, // // start() // Display overlay and lightbox. If image is part of a set, add siblings to imageArray. // start: function(imageLink) { hideSelectBoxes(); // stretch overlay to fill page and fade in var arrayPageSize = getPageSize(); Element.setHeight('overlay', arrayPageSize[1]); overlayEffect.custom(0,0.8); imageArray = []; imageNum = 0; if (!document.getElementsByTagName){ return; } var anchors = document.getElementsByTagName('a'); // if image is NOT part of a set.. if((imageLink.getAttribute('rel') == 'lightbox')){ // add single image to imageArray imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title'))); } else { // if image is part of a set.. // loop through anchors, find other images in set, and add them to imageArray for (var i=0; i<anchors.length; i++){ var anchor = anchors[i]; if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){ imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'))); } } imageArray.removeDuplicates(); while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;} } // calculate top offset for the lightbox and display var arrayPageSize = getPageSize(); var arrayPageScroll = getPageScroll(); var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15); Element.setTop('lightbox', lightboxTop); Element.show('lightbox'); this.changeImage(imageNum); }, // // changeImage() // Hide most elements and preload image in preparation for resizing image container. // changeImage: function(imageNum) { activeImage = imageNum; // update global var // hide elements during transition Element.show('loading'); imageDetailsEffect.hide(); imageEffect.hide(); navEffect.hide(); Element.hide('prevLink'); Element.hide('nextLink'); Element.hide('numberDisplay'); imgPreloader = new Image(); // once image is preloaded, resize image container imgPreloader.onload=function(){ Element.setSrc('lightboxImage', imageArray[activeImage][0]); myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height); } imgPreloader.src = imageArray[activeImage][0]; }, // // resizeImageContainer() // resizeImageContainer: function( imgWidth, imgHeight) { // get current height and width this.wCur = Element.getWidth('outerImageContainer'); this.hCur = Element.getHeight('outerImageContainer'); // calculate size difference between new and old image, and resize if necessary wDiff = (this.wCur - borderSize * 2) - imgWidth; hDiff = (this.hCur - borderSize * 2) - imgHeight; // Resize the outerImageContainer very sexy like reHeight = new fx.Height('outerImageContainer', { duration: resizeDuration }); reHeight.custom(Element.getHeight('outerImageContainer'),imgHeight+(borderSize*2)); reWidth = new fx.Width('outerImageContainer', { duration: resizeDuration, onComplete: function() { imageEffect.custom(0,1); }}); reWidth.custom(Element.getWidth('outerImageContainer'),imgWidth+(borderSize*2)); // if new and old image are same size and no scaling transition is necessary, // do a quick pause to prevent image flicker. if((hDiff == 0) && (wDiff == 0)){ if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} } Element.setHeight('prevLink', imgHeight); Element.setHeight('nextLink', imgHeight); Element.setWidth( 'imageDataContainer', imgWidth + (borderSize * 2)); Element.setWidth( 'hoverNav', imgWidth + (borderSize * 2)); this.showImage(); }, // // showImage() // Display image and begin preloading neighbors. // showImage: function(){ Element.hide('loading'); myLightbox.updateDetails(); this.preloadNeighborImages(); }, // // updateDetails() // Display caption, image number, and bottom nav. // updateDetails: function() { 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); } myLightbox.updateNav(); }, // // updateNav() // Display appropriate previous and next hover navigation. // updateNav: function() { // 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; } } // if not last image in set, display next image button if(activeImage != (imageArray.length - 1)){ Element.show('nextLink'); document.getElementById('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; } else { // mozilla keycode = e.which; } key = String.fromCharCode(keycode).toLowerCase(); if((key == 'x') || (key == 'o') || (key == 'c')){ // close lightbox myLightbox.end(); } else if(key == 'p'){ // display previous image if(activeImage != 0){ myLightbox.disableKeyboardNav(); myLightbox.changeImage(activeImage - 1); } } else if(key == 'n'){ // 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('lightbox'); imageEffect.toggle(); overlayEffect.custom(0.8,0); showSelectBoxes(); } } // ----------------------------------------------------------------------------------- // // getPageScroll() // Returns array with x,y page scroll values. // Core code from - quirksmode.org // function getPageScroll(){ var yScroll; if (self.pageYOffset) { yScroll = self.pageYOffset; } else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict yScroll = document.documentElement.scrollTop; } else if (document.body) {// all other Explorers yScroll = document.body.scrollTop; } arrayPageScroll = new Array('',yScroll) return arrayPageScroll; } // ----------------------------------------------------------------------------------- // // getPageSize() // Returns array with page width, height and window width, height // Core code from - quirksmode.org // Edit for Firefox by pHaez // function getPageSize(){ var xScroll, yScroll; if (window.innerHeight && window.scrollMaxY) { xScroll = document.body.scrollWidth; 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 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 = windowWidth; } else { pageWidth = xScroll; } 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(){ selects = document.getElementsByTagName("select"); for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "visible"; } } // --------------------------------------------------- function hideSelectBoxes(){ selects = document.getElementsByTagName("select"); for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "hidden"; } } // --------------------------------------------------- // // pause(numberMillis) // Pauses code execution for specified time. Uses busy code, not good. // Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602 // function pause(numberMillis) { var now = new Date(); var exitTime = now.getTime() + numberMillis; while (true) { now = new Date(); if (now.getTime() > exitTime) return; } } // --------------------------------------------------- function initLightbox() { myLightbox = new Lightbox(); }