/***************************************************************************
* iPop: Automatic Image Popup
* Copyright (c) 2003-2006 by David Schontzler | www.stilleye.com
* Use allowed under the Academic Free License 2.1
* http://opensource.org/licenses/afl-2.1.php
* Description: Automate your image popup windows (centered and sized)
* Compatibility: Win/IE5+, Mozilla/Netscape, degrades otherwise
***************************************************************************
* Version: 2.7 + AutoApply 1.0
***************************************************************************/
///////////////// USER SETTINGS /////////////////
// Set the target for browsers that don't support the script. By default,
// target is "_self" which will open in the same window as the link. Change
// it to whatever target you like. The built in targets (_blank, _self,
// _top, and _parent) are supported.
iPop.DegradeTarget = "_self";
// Set this to true if you want to be able to click on the image to close
// the popup window
iPop.ClickImageToClose = true;
// Set this to true if you want to close the last open popup image when you click
// on a new popup (like window reuse)
iPop.CloseOpenWindows = true;
// Messages displayed, you can customize them for your own language or wording
iPop.Messages = {
loading: "Sto caricando l'immagine...",
loadingSub: "Un attimo di attesa...",
errorLoading: "Immagine non trovata.",
errorLoadingSub: "Impossibile caricare l'immagine.",
errorLoadingClose: "Chiudi la finestra",
noResize: "Immagine caricata.",
noResizeSub: "Il tuo browser non consente il ridimensionamento della finestra.",
noResizeView: "Visualizza l'immagine",
imageCloseTip: "Clicca per chiudere la finestra"
};
///////////////// FUNCTIONALITY /////////////////
///////////////// DO NOT EDIT /////////////////
iPop.Version = 2.7;
iPop.imgWin = null;
iPop.ieSp2 = (navigator.appName.toLowerCase().indexOf("internet explorer") > -1
&& navigator.appMinorVersion.toLowerCase().indexOf("sp2") > -1);
function iPop(img, imgTitle) {
function degrade() {
switch(iPop.DegradeTarget) {
case "_blank" : open(img); break;
case "_self" : location = img; break;
case "_top" : top.location = img; break;
case "_parent" : parent.location = img; break;
default : open(img, iPop.DegradeTarget);
}
return false;
}
// just follow the link in browsers that do not support images or the DOM
// or launch in specified target if that's what you wanted it to do
if(!document.images || !document.getElementById) { return degrade(); }
// check to close open popups (if set to do so)
if(iPop.CloseOpenWindows && iPop.imgWin) {
if(iPop.imgWin.close) { iPop.imgWin.close(); }
iPop.imgWin = null;
}
// initial (small) window with loading screen
var width = 150, height = 100;
if(iPop.ieSp2) { height += 20; }
var left = (screen.availWidth - width)/2, top = (screen.availHeight - height)/ 2;
var imgWin = window.open("about:blank", "", "width=" + width + ",height=" + height + ",left=" + left + ",top=" + top);
// when moz disables all popups, imgWin will be false
if(!imgWin) { return degrade(); }
// user can pass an image title if they wish. by default,
// window title will display: "Image (img source)"
imgTitle = imgTitle || "Image (" + img + ")";
// before the script is loaded, at least in Win/IE when doing local testing;
// timeout should (presumably) prevent that
var html = ''
+ '\nLoading'
+ '\n'
+ '\n'
+ '\n\n'
+ '\n'
+ iPop.Messages.loading
+ ' '
+ iPop.Messages.loadingSub
+ '
'
+ '\n'
+ '\n'
+ '\n'
+ '\n';
imgWin.document.open();
imgWin.document.write(html);
imgWin.document.close();
iPop.imgWin = imgWin;
return false;
}
iPop.ImageLoaded = function(e, win) {
if(!e || !win) { return; }
e.onload = null;
e.onerror = null;
if(win._pageLoaded) {
function show() {
win.imgShow(e, win);
}
win.setTimeout(show, 100);
} else {
function noShow() {
win.imgLoad(e, win);
}
win.setTimeout(noShow, 100);
}
}
iPop.ImageShow = function(e, win) {
if(!e || !win) { return; }
e.onload = null; e.onerror = null;
var doc = win.document;
var width = e.width + 30,
height = e.height + 55;
if(iPop.ieSp2 || (win.statusbar && win.statusbar.visible)) { height += 20; }
var tooLarge = false;
if(width > screen.availWidth) {
width = screen.availWidth - 20;
tooLarge = true;
}
if(height > screen.availHeight) {
height = screen.availHeight - 20;
tooLarge = true;
}
if(tooLarge) {
doc.getElementById("image").style.overflow = "auto";
}
var tooSmall = false;
if(e.width < doc.body.clientWidth && e.height < doc.body.clientHeight) {
tooSmall = true;
}
var left = (screen.availWidth - width)/2, top = (screen.availHeight - height)/ 2;
win.moveTo(left, top);
win.resizeTo(width, height);
var docElm = doc.documentElement || {};
var winWidth = docElm.clientWidth||doc.body.clientWidth||win.innerWidth,
winHeight = docElm.clientHeight||doc.body.clientHeight||win.innnerHeight;
if( (tooLarge && (winWidth < 200 || winHeight < 200) )
|| !tooLarge && !tooSmall && (e.width > 150 && winWidth <= 150 || e.height > 100 && winHeight <= 100) ) {
win._e = {
src : e.src,
width : e.width,
height : e.height,
tooLarge : tooLarge
}
doc.getElementById("loading").style.display = "none";
doc.getElementById("error").style.display = "none";
doc.getElementById("image").style.display = "none";
doc.title = "Image Loaded";
} else { // can resize
doc.getElementById("loading").style.display = "none";
doc.getElementById("error").style.display = "none";
doc.getElementById("resize").style.display = "none";
doc.getElementById("theImg").style.visibility = "visible";
doc.title = win._title;
}
}
iPop.ErrorLoading = function(e, win) {
if(!e || !win) { return; }
var doc = win.document;
e.onload = null; e.onerror = null;
doc.getElementById("loading").style.display = "none";
doc.getElementById("resize").style.display = "none";
doc.getElementById("image").style.display = "none";
doc.title = "Image not found";
}
iPop.ImageLoadedManualPopup = function(e, win) {
if(!e || !win) { return; }
var width = e.width + 20, height = e.height + 20;
if(width > screen.availWidth) { width = screen.availWidth - 20; }
if(height > screen.availHeight) { height = screen.availHeight - 100; }
var left = (screen.availWidth - width)/2, top = (screen.availHeight - height)/ 2;
win.open(e.src, "ManualImageViewer", "width=" + width + ",height=" + height + ",left=" + left + ",top=" + top + (e.tooLarge ? ",scrollbars" : ""));
win.close();
}
///////////////// EXTENSIONS /////////////////
iPop.AutoApply = function(container) {
if(!container) { container = document; }
var a = container.getElementsByTagName("A");
for(var i = 0; i < a.length; i++) {
if( a[i].href.match(/\.(gif|jpg|jpeg|png|bmp)$/i) ) {
applyPopup(a[i]);
}
}
function applyPopup(link) {
// check to see if link holds *just* a thumbnail and get
// the thumbnail's alternate text for image popup title
var n, imgs = 0, whitespace = 0, alt = null;
for(var i = 0; n = link.childNodes[i]; i++) {
if(n.tagName == "IMG") {
imgs++;
alt = n.alt;
} else if(n.nodeValue) {
var val = n.nodeValue;
if(val.replace(/\s+/g, "") == "") { whitespace++; }
}
}
n = null;
if(!alt) { alt = link.title; }
// apply iPop to link
link.onclick = function(e) { return iPop(this.href, alt); }
}
}