--- /dev/null
+// -----------------------------------------------------------------------------------
+//
+// Lightbox v2.04
+// by Lokesh Dhakar - http://www.lokeshdhakar.com
+// Last Modification: 2/9/08
+//
+// For more information, visit:
+// http://lokeshdhakar.com/projects/lightbox2/
+//
+// Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
+// - Free for use in both personal and commercial projects
+// - Attribution requires leaving author name, author link, and the license info intact.
+//
+// Thanks: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.com), and Thomas Fuchs(mir.aculo.us) for ideas, libs, and snippets.
+// Artemy Tregubenko (arty.name) for cleanup and help in updating to latest ver of proto-aculous.
+//
+// -----------------------------------------------------------------------------------
+/*
+
+ Table of Contents
+ -----------------
+ Configuration
+
+ Lightbox Class Declaration
+ - initialize()
+ - updateImageList()
+ - start()
+ - changeImage()
+ - resizeImageContainer()
+ - showImage()
+ - updateDetails()
+ - updateNav()
+ - enableKeyboardNav()
+ - disableKeyboardNav()
+ - keyboardAction()
+ - preloadNeighborImages()
+ - end()
+
+ Function Calls
+ - document.observe()
+
+*/
+// -----------------------------------------------------------------------------------
+
+//
+// Configurationl
+//
+LightboxOptions = Object.extend({
+ fileLoadingImage: 'lightbox2/images/loading.gif',
+ fileBottomNavCloseImage: 'lightbox2/images/closelabel.gif',
+
+ overlayOpacity: 0.8, // controls transparency of shadow overlay
+
+ animate: true, // toggles resizing animations
+ resizeSpeed: 7, // controls the speed of the image resizing animations (1=slowest and 10=fastest)
+
+ borderSize: 10, //if you adjust the padding in the CSS, you will need to update this variable
+
+ // When grouping images this is used to write: Image # of #.
+ // Change it for non-english localization
+ labelImage: "Image",
+ labelOf: "of"
+}, window.LightboxOptions || {});
+
+// -----------------------------------------------------------------------------------
+
+var Lightbox = Class.create();
+
+Lightbox.prototype = {
+ imageArray: [],
+ activeImage: undefined,
+
+ // 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();
+
+ this.keyboardAction = this.keyboardAction.bindAsEventListener(this);
+
+ if (LightboxOptions.resizeSpeed > 10) LightboxOptions.resizeSpeed = 10;
+ if (LightboxOptions.resizeSpeed < 1) LightboxOptions.resizeSpeed = 1;
+
+ this.resizeDuration = LightboxOptions.animate ? ((11 - LightboxOptions.resizeSpeed) * 0.15) : 0;
+ this.overlayDuration = LightboxOptions.animate ? 0.2 : 0; // shadow fade in/out duration
+
+ // 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.
+ var size = (LightboxOptions.animate ? 250 : 1) + 'px';
+
+
+ // Code inserts html at the bottom of the page that looks similar to this:
+ //
+ // <div id="overlay"></div>
+ // <div id="lightbox">
+ // <div id="outerImageContainer">
+ // <div id="imageContainer">
+ // <img id="lightboxImage">
+ // <div style="" id="hoverNav">
+ // <a href="#" id="prevLink"></a>
+ // <a href="#" id="nextLink"></a>
+ // </div>
+ // <div id="loading">
+ // <a href="#" id="loadingLink">
+ // <img src="images/loading.gif">
+ // </a>
+ // </div>
+ // </div>
+ // </div>
+ // <div id="imageDataContainer">
+ // <div id="imageData">
+ // <div id="imageDetails">
+ // <span id="caption"></span>
+ // <span id="numberDisplay"></span>
+ // </div>
+ // <div id="bottomNav">
+ // <a href="#" id="bottomNavClose">
+ // <img src="images/close.gif">
+ // </a>
+ // </div>
+ // </div>
+ // </div>
+ // </div>
+
+
+ var objBody = $$('body')[0];
+
+ objBody.appendChild(Builder.node('div',{id:'overlay'}));
+
+ objBody.appendChild(Builder.node('div',{id:'lightbox'}, [
+ Builder.node('div',{id:'outerImageContainer'},
+ Builder.node('div',{id:'imageContainer'}, [
+ Builder.node('img',{id:'lightboxImage'}),
+ Builder.node('div',{id:'hoverNav'}, [
+ Builder.node('a',{id:'prevLink', href: '#' }),
+ Builder.node('a',{id:'nextLink', href: '#' })
+ ]),
+ Builder.node('div',{id:'loading'},
+ Builder.node('a',{id:'loadingLink', href: '#' },
+ Builder.node('img', {src: LightboxOptions.fileLoadingImage})
+ )
+ )
+ ])
+ ),
+ Builder.node('div', {id:'imageDataContainer'},
+ Builder.node('div',{id:'imageData'}, [
+ Builder.node('div',{id:'imageDetails'}, [
+ Builder.node('span',{id:'caption'}),
+ Builder.node('span',{id:'numberDisplay'})
+ ]),
+ Builder.node('div',{id:'bottomNav'},
+ Builder.node('a',{id:'bottomNavClose', href: '#' },
+ Builder.node('img', { src: LightboxOptions.fileBottomNavCloseImage })
+ )
+ )
+ ])
+ )
+ ]));
+
+
+ $('overlay').hide().observe('click', (function() { this.end(); }).bind(this));
+ $('lightbox').hide().observe('click', (function(event) { if (event.element().id == 'lightbox') this.end(); }).bind(this));
+ $('outerImageContainer').setStyle({ width: size, height: size });
+ $('prevLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage - 1); }).bindAsEventListener(this));
+ $('nextLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage + 1); }).bindAsEventListener(this));
+ $('loadingLink').observe('click', (function(event) { event.stop(); this.end(); }).bind(this));
+ $('bottomNavClose').observe('click', (function(event) { event.stop(); this.end(); }).bind(this));
+
+ var th = this;
+ (function(){
+ var ids =
+ 'overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink ' +
+ 'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose';
+ $w(ids).each(function(id){ th[id] = $(id); });
+ }).defer();
+ },
+
+ //
+ // 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() {
+ this.updateImageList = Prototype.emptyFunction;
+
+ document.observe('click', (function(event){
+ var target = event.findElement('a[rel^=lightbox]') || event.findElement('area[rel^=lightbox]');
+ if (target) {
+ event.stop();
+ this.start(target);
+ }
+ }).bind(this));
+ },
+
+ //
+ // start()
+ // Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
+ //
+ start: function(imageLink) {
+
+ $$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'hidden' });
+
+ // stretch overlay to fill page and fade in
+ var arrayPageSize = this.getPageSize();
+ $('overlay').setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' });
+
+ new Effect.Appear(this.overlay, { duration: this.overlayDuration, from: 0.0, to: LightboxOptions.overlayOpacity });
+
+ this.imageArray = [];
+ var imageNum = 0;
+
+ if ((imageLink.rel == 'lightbox')){
+ // if image is NOT part of a set, add single image to imageArray
+ this.imageArray.push([imageLink.href, imageLink.title]);
+ } else {
+ // if image is part of a set..
+ this.imageArray =
+ $$(imageLink.tagName + '[href][rel="' + imageLink.rel + '"]').
+ collect(function(anchor){ return [anchor.href, anchor.title]; }).
+ uniq();
+
+ while (this.imageArray[imageNum][0] != imageLink.href) { imageNum++; }
+ }
+
+ // calculate top and left offset for the lightbox
+ var arrayPageScroll = document.viewport.getScrollOffsets();
+ var lightboxTop = arrayPageScroll[1] + (document.viewport.getHeight() / 10);
+ var lightboxLeft = arrayPageScroll[0];
+ this.lightbox.setStyle({ top: lightboxTop + 'px', left: lightboxLeft + 'px' }).show();
+
+ this.changeImage(imageNum);
+ },
+
+ //
+ // changeImage()
+ // Hide most elements and preload image in preparation for resizing image container.
+ //
+ changeImage: function(imageNum) {
+
+ this.activeImage = imageNum; // update global var
+
+ // hide elements during transition
+ if (LightboxOptions.animate) this.loading.show();
+ this.lightboxImage.hide();
+ this.hoverNav.hide();
+ this.prevLink.hide();
+ this.nextLink.hide();
+ // HACK: Opera9 does not currently support scriptaculous opacity and appear fx
+ this.imageDataContainer.setStyle({opacity: .0001});
+ this.numberDisplay.hide();
+
+ var imgPreloader = new Image();
+
+ // once image is preloaded, resize image container
+
+
+ imgPreloader.onload = (function(){
+ this.lightboxImage.src = this.imageArray[this.activeImage][0];
+ this.resizeImageContainer(imgPreloader.width, imgPreloader.height);
+ }).bind(this);
+ imgPreloader.src = this.imageArray[this.activeImage][0];
+ },
+
+ //
+ // resizeImageContainer()
+ //
+ resizeImageContainer: function(imgWidth, imgHeight) {
+
+ // get current width and height
+ var widthCurrent = this.outerImageContainer.getWidth();
+ var heightCurrent = this.outerImageContainer.getHeight();
+
+ // get new width and height
+ var widthNew = (imgWidth + LightboxOptions.borderSize * 2);
+ var heightNew = (imgHeight + LightboxOptions.borderSize * 2);
+
+ // scalars based on change from old to new
+ var xScale = (widthNew / widthCurrent) * 100;
+ var yScale = (heightNew / heightCurrent) * 100;
+
+ // calculate size difference between new and old image, and resize if necessary
+ var wDiff = widthCurrent - widthNew;
+ var hDiff = heightCurrent - heightNew;
+
+ if (hDiff != 0) new Effect.Scale(this.outerImageContainer, yScale, {scaleX: false, duration: this.resizeDuration, queue: 'front'});
+ if (wDiff != 0) new Effect.Scale(this.outerImageContainer, xScale, {scaleY: false, duration: this.resizeDuration, delay: this.resizeDuration});
+
+ // if new and old image are same size and no scaling transition is necessary,
+ // do a quick pause to prevent image flicker.
+ var timeout = 0;
+ if ((hDiff == 0) && (wDiff == 0)){
+ timeout = 100;
+ if (Prototype.Browser.IE) timeout = 250;
+ }
+
+ (function(){
+ this.prevLink.setStyle({ height: imgHeight + 'px' });
+ this.nextLink.setStyle({ height: imgHeight + 'px' });
+ this.imageDataContainer.setStyle({ width: widthNew + 'px' });
+
+ this.showImage();
+ }).bind(this).delay(timeout / 1000);
+ },
+
+ //
+ // showImage()
+ // Display image and begin preloading neighbors.
+ //
+ showImage: function(){
+ this.loading.hide();
+ new Effect.Appear(this.lightboxImage, {
+ duration: this.resizeDuration,
+ queue: 'end',
+ afterFinish: (function(){ this.updateDetails(); }).bind(this)
+ });
+ this.preloadNeighborImages();
+ },
+
+ //
+ // updateDetails()
+ // Display caption, image number, and bottom nav.
+ //
+ updateDetails: function() {
+
+ // if caption is not null
+ if (this.imageArray[this.activeImage][1] != ""){
+ this.caption.update(this.imageArray[this.activeImage][1]).show();
+ }
+
+ // if image is part of set display 'Image x of x'
+ if (this.imageArray.length > 1){
+ this.numberDisplay.update( LightboxOptions.labelImage + ' ' + (this.activeImage + 1) + ' ' + LightboxOptions.labelOf + ' ' + this.imageArray.length).show();
+ }
+
+ new Effect.Parallel(
+ [
+ new Effect.SlideDown(this.imageDataContainer, { sync: true, duration: this.resizeDuration, from: 0.0, to: 1.0 }),
+ new Effect.Appear(this.imageDataContainer, { sync: true, duration: this.resizeDuration })
+ ],
+ {
+ duration: this.resizeDuration,
+ afterFinish: (function() {
+ // update overlay size and update nav
+ var arrayPageSize = this.getPageSize();
+ this.overlay.setStyle({ height: arrayPageSize[1] + 'px' });
+ this.updateNav();
+ }).bind(this)
+ }
+ );
+ },
+
+ //
+ // updateNav()
+ // Display appropriate previous and next hover navigation.
+ //
+ updateNav: function() {
+
+ this.hoverNav.show();
+
+ // if not first image in set, display prev image button
+ if (this.activeImage > 0) this.prevLink.show();
+
+ // if not last image in set, display next image button
+ if (this.activeImage < (this.imageArray.length - 1)) this.nextLink.show();
+
+ this.enableKeyboardNav();
+ },
+
+ //
+ // enableKeyboardNav()
+ //
+ enableKeyboardNav: function() {
+ document.observe('keydown', this.keyboardAction);
+ },
+
+ //
+ // disableKeyboardNav()
+ //
+ disableKeyboardNav: function() {
+ document.stopObserving('keydown', this.keyboardAction);
+ },
+
+ //
+ // keyboardAction()
+ //
+ keyboardAction: function(event) {
+ var keycode = event.keyCode;
+
+ var escapeKey;
+ if (event.DOM_VK_ESCAPE) { // mozilla
+ escapeKey = event.DOM_VK_ESCAPE;
+ } else { // ie
+ escapeKey = 27;
+ }
+
+ var key = String.fromCharCode(keycode).toLowerCase();
+
+ if (key.match(/x|o|c/) || (keycode == escapeKey)){ // close lightbox
+ this.end();
+ } else if ((key == 'p') || (keycode == 37)){ // display previous image
+ if (this.activeImage != 0){
+ this.disableKeyboardNav();
+ this.changeImage(this.activeImage - 1);
+ }
+ } else if ((key == 'n') || (keycode == 39)){ // display next image
+ if (this.activeImage != (this.imageArray.length - 1)){
+ this.disableKeyboardNav();
+ this.changeImage(this.activeImage + 1);
+ }
+ }
+ },
+
+ //
+ // preloadNeighborImages()
+ // Preload previous and next images.
+ //
+ preloadNeighborImages: function(){
+ var preloadNextImage, preloadPrevImage;
+ if (this.imageArray.length > this.activeImage + 1){
+ preloadNextImage = new Image();
+ preloadNextImage.src = this.imageArray[this.activeImage + 1][0];
+ }
+ if (this.activeImage > 0){
+ preloadPrevImage = new Image();
+ preloadPrevImage.src = this.imageArray[this.activeImage - 1][0];
+ }
+
+ },
+
+ //
+ // end()
+ //
+ end: function() {
+ this.disableKeyboardNav();
+ this.lightbox.hide();
+ new Effect.Fade(this.overlay, { duration: this.overlayDuration });
+ $$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'visible' });
+ },
+
+ //
+ // getPageSize()
+ //
+ 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;
+ }
+
+ return [pageWidth,pageHeight];
+ }
+}
+
+document.observe('dom:loaded', function () { new Lightbox(); });
projects / phpfspot.git / blobdiff