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Diffstat (limited to 'share/lightbox/lightbox.js')
| -rw-r--r-- | share/lightbox/lightbox.js | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/share/lightbox/lightbox.js b/share/lightbox/lightbox.js deleted file mode 100644 index 629a649..0000000 --- a/share/lightbox/lightbox.js +++ /dev/null @@ -1,437 +0,0 @@ -/*
- Lightbox JS: Fullsize Image Overlays
- by Lokesh Dhakar - http://www.huddletogether.com
-
- 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 = '.dthumb/loading.gif';
-var closeButton = '.dthumb/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);
-
- objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
- objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
-
-
- objLightboxDetails.style.width = imgPreload.width + 'px';
-
- if(objLink.getAttribute('title')){
- objCaption.style.display = 'block';
- //objCaption.style.width = imgPreload.width + 'px';
- objCaption.innerHTML = objLink.getAttribute('title');
- } else {
- objCaption.style.display = 'none';
- }
-
- // A small pause between the image loading and displaying is required with IE,
- // this prevents the previous image displaying for a short burst causing flicker.
- if (navigator.appVersion.indexOf("MSIE")!=-1){
- pause(250);
- }
-
- if (objLoadingImage) { objLoadingImage.style.display = 'none'; }
-
- // Hide select boxes as they will 'peek' through the image in IE
- selects = document.getElementsByTagName("select");
- for (i = 0; i != selects.length; i++) {
- selects[i].style.visibility = "hidden";
- }
-
-
- objLightbox.style.display = 'block';
-
- // After image is loaded, update the overlay height as the new image might have
- // increased the overall page height.
- arrayPageSize = getPageSize();
- objOverlay.style.height = (arrayPageSize[1] + 'px');
-
- // Check for 'x' keypress
- listenKey();
-
- return false;
- }
-
- imgPreload.src = objLink.href;
-
-}
-
-
-
-
-
-//
-// hideLightbox()
-//
-function hideLightbox()
-{
- // get objects
- objOverlay = document.getElementById('overlay');
- objLightbox = document.getElementById('lightbox');
-
- // hide lightbox and overlay
- objOverlay.style.display = 'none';
- objLightbox.style.display = 'none';
-
- // make select boxes visible
- selects = document.getElementsByTagName("select");
- for (i = 0; i != selects.length; i++) {
- selects[i].style.visibility = "visible";
- }
-
- // disable keypress listener
- document.onkeypress = '';
-}
-
-
-
-
-//
-// initLightbox()
-// Function runs on window load, going through link tags looking for rel="lightbox".
-// These links receive onclick events that enable the lightbox display for their targets.
-// The function also inserts html markup at the top of the page which will be used as a
-// container for the overlay pattern and the inline image.
-//
-function initLightbox()
-{
-
- 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];
-
- if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
- anchor.onclick = function () {showLightbox(this); return false;}
- }
- }
-
- // the rest of this code inserts html at the top of the page that looks like this:
- //
- // <div id="overlay">
- // <a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
- // </div>
- // <div id="lightbox">
- // <a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
- // <img id="closeButton" />
- // <img id="lightboxImage" />
- // </a>
- // <div id="lightboxDetails">
- // <div id="lightboxCaption"></div>
- // <div id="keyboardMsg"></div>
- // </div>
- // </div>
-
- var objBody = document.getElementsByTagName("body").item(0);
-
- // create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
- var objOverlay = document.createElement("div");
- objOverlay.setAttribute('id','overlay');
- objOverlay.onclick = function () {hideLightbox(); return false;}
- objOverlay.style.display = 'none';
- objOverlay.style.position = 'absolute';
- objOverlay.style.top = '0';
- objOverlay.style.left = '0';
- objOverlay.style.zIndex = '90';
- objOverlay.style.width = '100%';
- objBody.insertBefore(objOverlay, objBody.firstChild);
-
- var arrayPageSize = getPageSize();
- var arrayPageScroll = getPageScroll();
-
- // preload and create loader image
- var imgPreloader = new Image();
-
- // if loader image found, create link to hide lightbox and create loadingimage
- imgPreloader.onload=function(){
-
- var objLoadingImageLink = document.createElement("a");
- objLoadingImageLink.setAttribute('href','#');
- objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
- objOverlay.appendChild(objLoadingImageLink);
-
- var objLoadingImage = document.createElement("img");
- objLoadingImage.src = loadingImage;
- objLoadingImage.setAttribute('id','loadingImage');
- objLoadingImage.style.position = 'absolute';
- objLoadingImage.style.zIndex = '150';
- objLoadingImageLink.appendChild(objLoadingImage);
-
- imgPreloader.onload=function(){}; // clear onLoad, as IE will flip out w/animated gifs
-
- return false;
- }
-
- imgPreloader.src = loadingImage;
-
- // create lightbox div, same note about styles as above
- var objLightbox = document.createElement("div");
- objLightbox.setAttribute('id','lightbox');
- objLightbox.style.display = 'none';
- objLightbox.style.position = 'absolute';
- objLightbox.style.zIndex = '100';
- objBody.insertBefore(objLightbox, objOverlay.nextSibling);
-
- // create link
- var objLink = document.createElement("a");
- objLink.setAttribute('href','#');
- objLink.setAttribute('title','Click to close');
- objLink.onclick = function () {hideLightbox(); return false;}
- objLightbox.appendChild(objLink);
-
- // preload and create close button image
- var imgPreloadCloseButton = new Image();
-
- // if close button image found,
- imgPreloadCloseButton.onload=function(){
-
- var objCloseButton = document.createElement("img");
- objCloseButton.src = closeButton;
- objCloseButton.setAttribute('id','closeButton');
- objCloseButton.style.position = 'absolute';
- objCloseButton.style.zIndex = '200';
- objLink.appendChild(objCloseButton);
-
- return false;
- }
-
- imgPreloadCloseButton.src = closeButton;
-
- // create image
- var objImage = document.createElement("img");
- objImage.setAttribute('id','lightboxImage');
- objLink.appendChild(objImage);
-
- // create details div, a container for the caption and keyboard message
- var objLightboxDetails = document.createElement("div");
- objLightboxDetails.setAttribute('id','lightboxDetails');
- objLightbox.appendChild(objLightboxDetails);
-
- // create caption
- var objCaption = document.createElement("div");
- objCaption.setAttribute('id','lightboxCaption');
- objCaption.style.display = 'none';
- objLightboxDetails.appendChild(objCaption);
-
- // create keyboard message
- var objKeyboardMsg = document.createElement("div");
- objKeyboardMsg.setAttribute('id','keyboardMsg');
- objKeyboardMsg.innerHTML = 'press <a href="#" onclick="hideLightbox(); return false;"><kbd>x</kbd></a> to close';
- objLightboxDetails.appendChild(objKeyboardMsg);
-
-
-}
-
-
-
-
-//
-// addLoadEvent()
-// Adds event to window.onload without overwriting currently assigned onload functions.
-// Function found at Simon Willison's weblog - http://simon.incutio.com/
-//
-function addLoadEvent(func)
-{
- var oldonload = window.onload;
- if (typeof window.onload != 'function'){
- window.onload = func;
- } else {
- window.onload = function(){
- oldonload();
- func();
- }
- }
-
-}
-
-
-
-addLoadEvent(initLightbox); // run initLightbox onLoad
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