- For more information on this script, visit:
- http://huddletogether.com/projects/lightbox/
-
- Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
- (basically, do anything you want, just leave my name and link)
-
- Table of Contents
- -----------------
- Configuration
-
- Functions
- - getPageScroll()
- - getPageSize()
- - pause()
- - getKey()
- - listenKey()
- - showLightbox()
- - hideLightbox()
- - initLightbox()
- - addLoadEvent()
-
- Function Calls
- - addLoadEvent(initLightbox)
-
-*/
-
-
-
-//
-// Configuration
-//
-
-// If you would like to use a custom loading image or close button reference them in the next two lines.
-var loadingImage = 'loading.gif';
-var closeButton = 'close.gif';
-
-
-
-
-
-//
-// 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;
-}
-
-
-//
-// 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;
- }
-}
-
-//
-// 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'){ hideLightbox(); }
-}
-
-
-//
-// listenKey()
-//
-function listenKey () { document.onkeypress = getKey; }
-
-
-//
-// showLightbox()
-// Preloads images. Pleaces new image in lightbox then centers and displays.
-//
-function showLightbox(objLink)
-{
- // prep objects
- var objOverlay = document.getElementById('overlay');
- var objLightbox = document.getElementById('lightbox');
- var objCaption = document.getElementById('lightboxCaption');
- var objImage = document.getElementById('lightboxImage');
- var objLoadingImage = document.getElementById('loadingImage');
- var objLightboxDetails = document.getElementById('lightboxDetails');
-
-
- var arrayPageSize = getPageSize();
- var arrayPageScroll = getPageScroll();
-
- // center loadingImage if it exists
- if (objLoadingImage) {
- objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
- objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
- objLoadingImage.style.display = 'block';
- }
-
- // set height of Overlay to take up whole page and show
- objOverlay.style.height = (arrayPageSize[1] + 'px');
- objOverlay.style.display = 'block';
-
- // preload image
- imgPreload = new Image();
-
- imgPreload.onload=function(){
- objImage.src = objLink.href;
-
- // center lightbox and make sure that the top and left values are not negative
- // and the image placed outside the viewport
- var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
- var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
+/**************************************************************
+
+ Script : Lightbox
+ Version : 1.5
+ Authors : Samuel Birch
+ Desc : Extended version of Slimbox
+ Licence : Open Source MIT Licence
+
+**************************************************************/
+
+var Lightbox = {
+
+ init: function(options){
+ this.options = Object.extend({
+ resizeDuration: 400,
+ resizeTransition: Fx.Transitions.sineInOut,
+ initialWidth: 250,
+ initialHeight: 250,
+ animateCaption: {In:true,Out:true},
+ container: document.body,
+ showControls: false,
+ showNumbers: true,
+ descriptions: false,
+ opacity: 0.8
+ }, options || {});
+
+ this.anchors = [];
+ $each(document.links, function(el){
+ if (el.rel && el.rel.test(/^lightbox/i)){
+ el.onclick = this.click.pass(el, this);
+ this.anchors.push(el);
+ }
+ }, this);
+ this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
+ this.eventPosition = this.position.bind(this);
+
+ this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(this.options.container);
+
+ this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(this.options.container);
+ this.image = new Element('div').setProperty('id', 'lbImage').injectInside(this.center);