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highslide.js
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highslide.js
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/******************************************************************************
Name: Highslide JS
Version: 3.3.21 (June 22 2008)
Config: default
Author: Torstein Hønsi
Support: http://vikjavev.no/highslide/forum
Licence:
Highslide JS is licensed under a Creative Commons Attribution-NonCommercial 2.5
License (http://creativecommons.org/licenses/by-nc/2.5/).
You are free:
* to copy, distribute, display, and perform the work
* to make derivative works
Under the following conditions:
* Attribution. You must attribute the work in the manner specified by the
author or licensor.
* Noncommercial. You may not use this work for commercial purposes.
* For any reuse or distribution, you must make clear to others the license
terms of this work.
* Any of these conditions can be waived if you get permission from the
copyright holder.
Your fair use and other rights are in no way affected by the above.
******************************************************************************/
var hs = {
// Apply your own settings here, or override them in the html file.
graphicsDir : 'highslide/graphics/',
restoreCursor : 'zoomout.cur', // necessary for preload
expandSteps : 10, // number of steps in zoom. Each step lasts for duration/step milliseconds.
expandDuration : 250, // milliseconds
restoreSteps : 10,
restoreDuration : 250,
marginLeft : 15,
marginRight : 15,
marginTop : 15,
marginBottom : 15,
zIndexCounter : 1001, // adjust to other absolutely positioned elements
restoreTitle : 'Click to close image, click and drag to move. Use arrow keys for next and previous.',
loadingText : 'Loading...',
loadingTitle : 'Click to cancel',
loadingOpacity : 0.75,
focusTitle : 'Click to bring to front',
allowMultipleInstances: false,
numberOfImagesToPreload : 5,
captionSlideSpeed : 1, // set to 0 to disable slide in effect
padToMinWidth : false, // pad the popup width to make room for wide caption
outlineWhileAnimating : 2, // 0 = never, 1 = always, 2 = HTML only
outlineStartOffset : 3, // ends at 10
fullExpandTitle : 'Expand to actual size',
fullExpandPosition : 'bottom right',
fullExpandOpacity : 1,
showCredits : false, // you can set this to false if you want
creditsText : 'Powered by <i>Highslide JS</i>',
creditsHref : 'http://vikjavev.no/highslide/',
creditsTitle : 'Go to the Highslide JS homepage',
enableKeyListener : false,
// These settings can also be overridden inline for each image
captionId : null,
spaceForCaption : 30, // leaves space below images with captions
slideshowGroup : null, // defines groups for next/previous links and keystrokes
minWidth: 200,
minHeight: 200,
allowSizeReduction: true, // allow the image to reduce to fit client size. If false, this overrides minWidth and minHeight
outlineType : 'drop-shadow', // set null to disable outlines
wrapperClassName : 'highslide-wrapper', // for enhanced css-control
// END OF YOUR SETTINGS
// declare internal properties
preloadTheseImages : [],
continuePreloading: true,
expanders : [],
overrides : [
'allowSizeReduction',
'outlineType',
'outlineWhileAnimating',
'spaceForCaption',
'captionId',
'captionText',
'captionEval',
'wrapperClassName',
'minWidth',
'minHeight',
'slideshowGroup',
'easing',
'easingClose',
'fadeInOut'
],
overlays : [],
idCounter : 0,
faders : [],
pendingOutlines : {},
clones : {},
ie : (document.all && !window.opera),
safari : /Safari/.test(navigator.userAgent),
geckoMac : /Macintosh.+rv:1\.[0-8].+Gecko/.test(navigator.userAgent),
$ : function (id) {
return document.getElementById(id);
},
push : function (arr, val) {
arr[arr.length] = val;
},
createElement : function (tag, attribs, styles, parent, nopad) {
var el = document.createElement(tag);
if (attribs) hs.setAttribs(el, attribs);
if (nopad) hs.setStyles(el, {padding: 0, border: 'none', margin: 0});
if (styles) hs.setStyles(el, styles);
if (parent) parent.appendChild(el);
return el;
},
setAttribs : function (el, attribs) {
for (var x in attribs) el[x] = attribs[x];
},
setStyles : function (el, styles) {
for (var x in styles) {
try {
if (hs.ie && x == 'opacity') {
if (styles[x] > 0.99) el.style.removeAttribute('filter');
else el.style.filter = 'alpha(opacity='+ (styles[x] * 100) +')';
}
else el.style[x] = styles[x];
}
catch (e) {}
}
},
ieVersion : function () {
var arr = navigator.appVersion.split("MSIE");
return arr[1] ? parseFloat(arr[1]) : null;
},
getPageSize : function () {
var iebody = document.compatMode && document.compatMode != "BackCompat"
? document.documentElement : document.body;
var width = hs.ie ? iebody.clientWidth :
(document.documentElement.clientWidth || self.innerWidth),
height = hs.ie ? iebody.clientHeight : self.innerHeight;
return {
width: width,
height: height,
scrollLeft: hs.ie ? iebody.scrollLeft : pageXOffset,
scrollTop: hs.ie ? iebody.scrollTop : pageYOffset
}
},
position : function(el) {
var p = { x: el.offsetLeft, y: el.offsetTop };
while (el.offsetParent) {
el = el.offsetParent;
p.x += el.offsetLeft;
p.y += el.offsetTop;
if (el != document.body && el != document.documentElement) {
p.x -= el.scrollLeft;
p.y -= el.scrollTop;
}
}
return p;
},
expand : function(a, params, custom) {
if (a.getParams) return params;
try {
new hs.Expander(a, params, custom);
return false;
} catch (e) { return true; }
},
focusTopmost : function() {
var topZ = 0, topmostKey = -1;
for (var i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i]) {
if (hs.expanders[i].wrapper.style.zIndex && hs.expanders[i].wrapper.style.zIndex > topZ) {
topZ = hs.expanders[i].wrapper.style.zIndex;
topmostKey = i;
}
}
}
if (topmostKey == -1) hs.focusKey = -1;
else hs.expanders[topmostKey].focus();
},
getAdjacentAnchor : function(key, op) {
var aAr = document.getElementsByTagName('A'), hsAr = {}, activeI = -1, j = 0;
for (var i = 0; i < aAr.length; i++) {
if (hs.isHsAnchor(aAr[i]) && ((hs.expanders[key].slideshowGroup
== hs.getParam(aAr[i], 'slideshowGroup')))) {
hsAr[j] = aAr[i];
if (hs.expanders[key] && aAr[i] == hs.expanders[key].a) {
activeI = j;
}
j++;
}
}
return hsAr[activeI + op] || null;
},
getParam : function (a, param) {
a.getParams = a.onclick;
var p = a.getParams ? a.getParams() : null;
a.getParams = null;
return (p && typeof p[param] != 'undefined') ? p[param] :
(typeof hs[param] != 'undefined' ? hs[param] : null);
},
getSrc : function (a) {
var src = hs.getParam(a, 'src');
if (src) return src;
return a.href;
},
getNode : function (id) {
var node = hs.$(id), clone = hs.clones[id], a = {};
if (!node && !clone) return null;
if (!clone) {
clone = node.cloneNode(true);
clone.id = '';
hs.clones[id] = clone;
return node;
} else {
return clone.cloneNode(true);
}
},
discardElement : function(d) {
hs.garbageBin.appendChild(d);
hs.garbageBin.innerHTML = '';
},
previousOrNext : function (el, op) {
var exp = hs.last = hs.getExpander(el);
try {
var adj = hs.upcoming = hs.getAdjacentAnchor(exp.key, op);
adj.onclick();
} catch (e){}
try { exp.close(); } catch (e) {}
return false;
},
previous : function (el) {
return hs.previousOrNext(el, -1);
},
next : function (el) {
return hs.previousOrNext(el, 1);
},
keyHandler : function(e) {
if (!e) e = window.event;
if (!e.target) e.target = e.srcElement; // ie
if (e.target.form) return true; // form element has focus
var op = null;
switch (e.keyCode) {
case 32: // Space
case 34: // Page Down
case 39: // Arrow right
case 40: // Arrow down
op = 1;
break;
case 8: // Backspace
case 33: // Page Up
case 37: // Arrow left
case 38: // Arrow up
op = -1;
break;
case 27: // Escape
case 13: // Enter
op = 0;
}
if (op !== null) {
hs.removeEventListener(document, 'keydown', hs.keyHandler);
if (!hs.enableKeyListener) return true;
if (e.preventDefault) e.preventDefault();
else e.returnValue = false;
if (op == 0) {
try { hs.getExpander().close(); } catch (e) {}
return false;
} else {
return hs.previousOrNext(hs.focusKey, op);
}
}
return true;
},
registerOverlay : function (overlay) {
hs.push(hs.overlays, overlay);
},
getWrapperKey : function (element) {
var el, re = /^highslide-wrapper-([0-9]+)$/;
// 1. look in open expanders
el = element;
while (el.parentNode) {
if (el.id && re.test(el.id)) return el.id.replace(re, "$1");
el = el.parentNode;
}
// 2. look in thumbnail
el = element;
while (el.parentNode) {
if (el.tagName && hs.isHsAnchor(el)) {
for (var key = 0; key < hs.expanders.length; key++) {
var exp = hs.expanders[key];
if (exp && exp.a == el) return key;
}
}
el = el.parentNode;
}
return null;
},
getExpander : function (el) {
if (typeof el == 'undefined') return hs.expanders[hs.focusKey] || null;
if (typeof el == 'number') return hs.expanders[el] || null;
if (typeof el == 'string') el = hs.$(el);
return hs.expanders[hs.getWrapperKey(el)] || null;
},
isHsAnchor : function (a) {
return (a.onclick && a.onclick.toString().replace(/\s/g, ' ').match(/hs.(htmlE|e)xpand/));
},
reOrder : function () {
for (var i = 0; i < hs.expanders.length; i++)
if (hs.expanders[i] && hs.expanders[i].isExpanded) hs.focusTopmost();
},
mouseClickHandler : function(e)
{
if (!e) e = window.event;
if (e.button > 1) return true;
if (!e.target) e.target = e.srcElement;
var el = e.target;
while (el.parentNode
&& !(/highslide-(image|move|html|resize)/.test(el.className)))
{
el = el.parentNode;
}
var exp = hs.getExpander(el);
if (exp && (exp.isClosing || !exp.isExpanded)) return true;
if (exp && e.type == 'mousedown') {
if (e.target.form) return true;
var match = el.className.match(/highslide-(image|move|resize)/);
if (match) {
hs.dragArgs = { exp: exp , type: match[1], left: exp.x.min, width: exp.x.span, top: exp.y.min,
height: exp.y.span, clickX: e.clientX, clickY: e.clientY };
hs.addEventListener(document, 'mousemove', hs.dragHandler);
if (e.preventDefault) e.preventDefault(); // FF
if (/highslide-(image|html)-blur/.test(exp.content.className)) {
exp.focus();
hs.hasFocused = true;
}
return false;
}
} else if (e.type == 'mouseup') {
hs.removeEventListener(document, 'mousemove', hs.dragHandler);
if (hs.dragArgs) {
if (hs.dragArgs.type == 'image')
hs.dragArgs.exp.content.style.cursor = hs.styleRestoreCursor;
var hasDragged = hs.dragArgs.hasDragged;
if (!hasDragged &&!hs.hasFocused && !/(move|resize)/.test(hs.dragArgs.type)) {
exp.close();
}
else if (hasDragged || (!hasDragged && hs.hasHtmlexpanders)) {
hs.dragArgs.exp.redoShowHide();
}
hs.hasFocused = false;
hs.dragArgs = null;
} else if (/highslide-image-blur/.test(el.className)) {
el.style.cursor = hs.styleRestoreCursor;
}
}
return false;
},
dragHandler : function(e)
{
if (!hs.dragArgs) return true;
if (!e) e = window.event;
var a = hs.dragArgs, exp = a.exp;
a.dX = e.clientX - a.clickX;
a.dY = e.clientY - a.clickY;
var distance = Math.sqrt(Math.pow(a.dX, 2) + Math.pow(a.dY, 2));
if (!a.hasDragged) a.hasDragged = (a.type != 'image' && distance > 0)
|| (distance > (hs.dragSensitivity || 5));
if (a.hasDragged && e.clientX > 5 && e.clientY > 5) {
exp.move(a);
}
return false;
},
wrapperMouseHandler : function (e) {
try {
if (!e) e = window.event;
var over = /mouseover/i.test(e.type);
if (!e.target) e.target = e.srcElement; // ie
if (hs.ie) e.relatedTarget =
over ? e.fromElement : e.toElement; // ie
var exp = hs.getExpander(e.target);
if (!exp || !e.relatedTarget || hs.getExpander(e.relatedTarget) == exp
|| hs.dragArgs) return;
for (var i = 0; i < exp.overlays.length; i++) {
var o = hs.$('hsId'+ exp.overlays[i]);
if (o && o.getAttribute('hideOnMouseOut')) {
var from = over ? 0 : o.getAttribute('opacity'),
to = over ? o.getAttribute('opacity') : 0;
hs.fade(o, from, to);
}
}
} catch (e) {}
},
addEventListener : function (el, event, func) {
try {
el.addEventListener(event, func, false);
} catch (e) {
try {
el.detachEvent('on'+ event, func);
el.attachEvent('on'+ event, func);
} catch (e) {
el['on'+ event] = func;
}
}
},
removeEventListener : function (el, event, func) {
try {
el.removeEventListener(event, func, false);
} catch (e) {
try {
el.detachEvent('on'+ event, func);
} catch (e) {
el['on'+ event] = null;
}
}
},
preloadFullImage : function (i) {
if (hs.continuePreloading && hs.preloadTheseImages[i] && hs.preloadTheseImages[i] != 'undefined') {
var img = document.createElement('img');
img.onload = function() {
img = null;
hs.preloadFullImage(i + 1);
};
img.src = hs.preloadTheseImages[i];
}
},
preloadImages : function (number) {
if (number && typeof number != 'object') hs.numberOfImagesToPreload = number;
var a, re, j = 0;
var aTags = document.getElementsByTagName('A');
for (var i = 0; i < aTags.length; i++) {
a = aTags[i];
re = hs.isHsAnchor(a);
if (re && re[0] == 'hs.expand') {
if (j < hs.numberOfImagesToPreload) {
hs.preloadTheseImages[j] = hs.getSrc(a);
j++;
}
}
}
// preload outlines
new hs.Outline(hs.outlineType, function () { hs.preloadFullImage(0)} );
// preload cursor
var cur = hs.createElement('img', { src: hs.graphicsDir + hs.restoreCursor });
},
genContainer : function () {
if (!hs.container) {
hs.container = hs.createElement('div',
null,
{ position: 'absolute', left: 0, top: 0, width: '100%', zIndex: hs.zIndexCounter },
document.body,
true
);
hs.loading = hs.createElement('a',
{
className: 'highslide-loading',
title: hs.loadingTitle,
innerHTML: hs.loadingText,
href: 'javascript:void(0)'
},
{
position: 'absolute',
opacity: hs.loadingOpacity,
left: '-9999px',
zIndex: 1
}, hs.container
);
hs.garbageBin = hs.createElement('div', null, { display: 'none' }, hs.container);
// http://www.robertpenner.com/easing/
Math.linearTween = function (t, b, c, d) {
return c*t/d + b;
};
Math.easeInQuad = function (t, b, c, d) {
return c*(t/=d)*t + b;
};
}
},
fade : function (el, o, oFinal, dur, i, dir) {
if (typeof i == 'undefined') { // new fader
if (typeof dur != 'number') dur = 250;
if (dur < 25) { // instant
hs.setStyles( el, { opacity: oFinal });
return;
}
i = hs.faders.length;
dir = oFinal > o ? 1 : -1;
var step = (25 / (dur - dur % 25)) * Math.abs(o - oFinal);
}
o = parseFloat(o);
var skip = (el.fade === 0 || el.fade === false || (el.fade == 2 && hs.ie));
el.style.visibility = ((skip ? oFinal : o) <= 0) ? 'hidden' : 'visible';
if (skip || o < 0 || (dir == 1 && o > oFinal)) return;
if (el.fading && el.fading.i != i) { // reverse
clearTimeout(hs.faders[el.fading.i]);
o = el.fading.o;
}
el.fading = {i: i, o: o, step: (step || el.fading.step)};
el.style.visibility = (o <= 0) ? 'hidden' : 'visible';
hs.setStyles(el, { opacity: o });
hs.faders[i] = setTimeout(function() {
hs.fade(el, o + el.fading.step * dir, oFinal, null, i, dir);
}, 25);
},
close : function(el) {
var exp = hs.getExpander(el);
if (exp) exp.close();
return false;
}
}; // end hs object
//-----------------------------------------------------------------------------
hs.Outline = function (outlineType, onLoad) {
this.onLoad = onLoad;
this.outlineType = outlineType;
var v = hs.ieVersion(), tr;
this.hasAlphaImageLoader = hs.ie && v >= 5.5 && v < 7;
if (!outlineType) {
if (onLoad) onLoad();
return;
}
hs.genContainer();
this.table = hs.createElement(
'table', { cellSpacing: 0 },
{
visibility: 'hidden',
position: 'absolute',
borderCollapse: 'collapse'
},
hs.container,
true
);
var tbody = hs.createElement('tbody', null, null, this.table, 1);
this.td = [];
for (var i = 0; i <= 8; i++) {
if (i % 3 == 0) tr = hs.createElement('tr', null, { height: 'auto' }, tbody, true);
this.td[i] = hs.createElement('td', null, null, tr, true);
var style = i != 4 ? { lineHeight: 0, fontSize: 0} : { position : 'relative' };
hs.setStyles(this.td[i], style);
}
this.td[4].className = outlineType;
this.preloadGraphic();
};
hs.Outline.prototype = {
preloadGraphic : function () {
var src = hs.graphicsDir + (hs.outlinesDir || "outlines/")+ this.outlineType +".png";
var appendTo = hs.safari ? hs.container : null;
this.graphic = hs.createElement('img', null, { position: 'absolute', left: '-9999px',
top: '-9999px' }, appendTo, true); // for onload trigger
var pThis = this;
this.graphic.onload = function() { pThis.onGraphicLoad(); };
this.graphic.src = src;
},
onGraphicLoad : function () {
var o = this.offset = this.graphic.width / 4,
pos = [[0,0],[0,-4],[-2,0],[0,-8],0,[-2,-8],[0,-2],[0,-6],[-2,-2]],
dim = { height: (2*o) +'px', width: (2*o) +'px' };
for (var i = 0; i <= 8; i++) {
if (pos[i]) {
if (this.hasAlphaImageLoader) {
var w = (i == 1 || i == 7) ? '100%' : this.graphic.width +'px';
var div = hs.createElement('div', null, { width: '100%', height: '100%', position: 'relative', overflow: 'hidden'}, this.td[i], true);
hs.createElement ('div', null, {
filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale, src='"+ this.graphic.src + "')",
position: 'absolute',
width: w,
height: this.graphic.height +'px',
left: (pos[i][0]*o)+'px',
top: (pos[i][1]*o)+'px'
},
div,
true);
} else {
hs.setStyles(this.td[i], { background: 'url('+ this.graphic.src +') '+ (pos[i][0]*o)+'px '+(pos[i][1]*o)+'px'});
}
if (window.opera && (i == 3 || i ==5))
hs.createElement('div', null, dim, this.td[i], true);
hs.setStyles (this.td[i], dim);
}
}
this.graphic = null;
if (hs.pendingOutlines[this.outlineType]) hs.pendingOutlines[this.outlineType].destroy();
hs.pendingOutlines[this.outlineType] = this;
if (this.onLoad) this.onLoad();
},
setPosition : function (exp, x, y, w, h, vis) {
if (vis) this.table.style.visibility = (h >= 4 * this.offset)
? 'visible' : 'hidden';
this.table.style.left = (x - this.offset) +'px';
this.table.style.top = (y - this.offset) +'px';
this.table.style.width = (w + 2 * (exp.offsetBorderW + this.offset)) +'px';
w += 2 * (exp.offsetBorderW - this.offset);
h += + 2 * (exp.offsetBorderH - this.offset);
this.td[4].style.width = w >= 0 ? w +'px' : 0;
this.td[4].style.height = h >= 0 ? h +'px' : 0;
if (this.hasAlphaImageLoader) this.td[3].style.height
= this.td[5].style.height = this.td[4].style.height;
},
destroy : function(hide) {
if (hide) this.table.style.visibility = 'hidden';
else hs.discardElement(this.table);
}
};
//-----------------------------------------------------------------------------
// The expander object
hs.Expander = function(a, params, custom, contentType) {
this.a = a;
this.custom = custom;
this.contentType = contentType || 'image';
this.isImage = !this.isHtml;
hs.continuePreloading = false;
hs.genContainer();
var key = this.key = hs.expanders.length;
// override inline parameters
for (var i = 0; i < hs.overrides.length; i++) {
var name = hs.overrides[i];
this[name] = params && typeof params[name] != 'undefined' ?
params[name] : hs[name];
}
this.src = params && params.src ? params.src : a.href;
// get thumb
var el = this.thumb = ((params && params.thumbnailId) ? hs.$(params.thumbnailId) : null)
|| a.getElementsByTagName('img')[0] || a;
this.thumbsUserSetId = el.id || a.id;
// check if already open
for (var i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && hs.expanders[i].a == a) {
hs.expanders[i].focus();
return false;
}
}
// cancel other
for (var i = 0; i < hs.expanders.length; i++) {
if (hs.expanders[i] && hs.expanders[i].thumb != el && !hs.expanders[i].onLoadStarted) {
hs.expanders[i].cancelLoading();
}
}
hs.expanders[this.key] = this;
if (!hs.allowMultipleInstances) {
if (hs.expanders[key-1]) hs.expanders[key-1].close();
if (typeof hs.focusKey != 'undefined' && hs.expanders[hs.focusKey])
hs.expanders[hs.focusKey].close();
}
var pos = hs.position(el);
// thumbnail metrics
this.thumbWidth = el.width ? el.width : el.offsetWidth;
this.thumbHeight = el.height ? el.height : el.offsetHeight;
this.thumbLeft = pos.x;
this.thumbTop = pos.y;
this.thumbOffsetBorderW = (this.thumb.offsetWidth - this.thumbWidth) / 2;
this.thumbOffsetBorderH = (this.thumb.offsetHeight - this.thumbHeight) / 2;
// instanciate the wrapper
this.wrapper = hs.createElement(
'div',
{
id: 'highslide-wrapper-'+ this.key,
className: this.wrapperClassName
},
{
visibility: 'hidden',
position: 'absolute',
zIndex: hs.zIndexCounter++
}, null, true );
this.wrapper.onmouseover = this.wrapper.onmouseout = hs.wrapperMouseHandler;
if (this.contentType == 'image' && this.outlineWhileAnimating == 2)
this.outlineWhileAnimating = 0;
// get the outline
if (hs.pendingOutlines[this.outlineType]) {
this.connectOutline();
this[this.contentType +'Create']();
} else if (!this.outlineType) {
this[this.contentType +'Create']();
} else {
this.displayLoading();
var exp = this;
new hs.Outline(this.outlineType,
function () {
exp.connectOutline();
exp[exp.contentType +'Create']();
}
);
}
return true;
};
hs.Expander.prototype = {
connectOutline : function(x, y) {
var w = hs.pendingOutlines[this.outlineType];
this.objOutline = w;
w.table.style.zIndex = this.wrapper.style.zIndex;
hs.pendingOutlines[this.outlineType] = null;
},
displayLoading : function() {
if (this.onLoadStarted || this.loading) return;
//this.originalCursor = this.a.style.cursor;
//this.a.style.cursor = 'wait';
this.loading = hs.loading;
var exp = this;
this.loading.onclick = function() {
exp.cancelLoading();
};
this.loading.style.top = (this.thumbTop
+ (this.thumbHeight - this.loading.offsetHeight) / 2) +'px';
var exp = this, left = (this.thumbLeft + this.thumbOffsetBorderW
+ (this.thumbWidth - this.loading.offsetWidth) / 2) +'px';
setTimeout(function () { if (exp.loading) exp.loading.style.left = left }, 100);
},
imageCreate : function() {
var exp = this;
var img = document.createElement('img');
this.content = img;
img.onload = function () {
if (hs.expanders[exp.key]) exp.contentLoaded();
};
if (hs.blockRightClick) img.oncontextmenu = function() { return false; };
img.className = 'highslide-image';
img.style.visibility = 'hidden'; // prevent flickering in IE
img.style.display = 'block';
img.style.position = 'absolute';
img.style.maxWidth = 'none';
img.style.zIndex = 3;
img.title = hs.restoreTitle;
if (hs.safari) hs.container.appendChild(img);
if (hs.ie && hs.flushImgSize) img.src = null;
img.src = this.src;
this.displayLoading();
},
contentLoaded : function() {
try {
if (!this.content) return;
this.content.onload = null;
if (this.onLoadStarted) return;
else this.onLoadStarted = true;
if (this.loading) {
hs.setStyles(this.loading, { left: '-9999px', top: '-9999px' });
this.loading = null;
//this.a.style.cursor = this.originalCursor || '';
}
this.marginBottom = hs.marginBottom;
this.newWidth = this.content.width;
this.newHeight = this.content.height;
this.fullExpandWidth = this.newWidth;
this.fullExpandHeight = this.newHeight;
this.content.style.width = this.thumbWidth +'px';
this.content.style.height = this.thumbHeight +'px';
this.getCaption();
this.wrapper.appendChild(this.content);
this.content.style.position = 'relative'; // Saf
if (this.caption) this.wrapper.appendChild(this.caption);
this.wrapper.style.left = this.thumbLeft +'px';
this.wrapper.style.top = this.thumbTop +'px';
hs.container.appendChild(this.wrapper);
// correct for borders
this.offsetBorderW = (this.content.offsetWidth - this.thumbWidth) / 2;
this.offsetBorderH = (this.content.offsetHeight - this.thumbHeight) / 2;
var modMarginRight = hs.marginRight + 2 * this.offsetBorderW;
this.marginBottom += 2 * this.offsetBorderH;
var ratio = this.newWidth / this.newHeight;
var minWidth = this.allowSizeReduction
? this.minWidth : this.newWidth;
var minHeight = this.allowSizeReduction
? this.minHeight : this.newHeight;
var justify = { x: 'auto', y: 'auto' };
var page = hs.getPageSize();
// justify
this.x = {
min: parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW,
span: this.newWidth,
minSpan: (this.newWidth < minWidth && !hs.padToMinWidth)
? this.newWidth : minWidth,
marginMin: hs.marginLeft,
marginMax: modMarginRight,
scroll: page.scrollLeft,
clientSpan: page.width,
thumbSpan: this.thumbWidth
};
var oldRight = this.x.min + parseInt(this.thumbWidth);
this.x = this.justify(this.x);
this.y = {
min: parseInt(this.thumbTop) - this.offsetBorderH + this.thumbOffsetBorderH,
span: this.newHeight,
minSpan: this.newHeight < minHeight ? this.newHeight : minHeight,
marginMin: hs.marginTop,
marginMax: this.marginBottom,
scroll: page.scrollTop,
clientSpan: page.height,
thumbSpan: this.thumbHeight
};
var oldBottom = this.y.min + parseInt(this.thumbHeight);
this.y = this.justify(this.y);
this.correctRatio(ratio);
var x = this.x;
var y = this.y;
this.show();
} catch (e) {
window.location.href = this.src;
}
},
justify : function (p) {
var tgt, dim = p == this.x ? 'x' : 'y';
var hasMovedMin = false;
var allowReduce = true;
// calculate p.min
p.min = Math.round(p.min - ((p.span - p.thumbSpan) / 2)); // auto
if (p.min < p.scroll + p.marginMin) {
p.min = p.scroll + p.marginMin;
hasMovedMin = true;
}
if (p.span < p.minSpan) {
p.span = p.minSpan;
allowReduce = false;
}
// calculate right/newWidth
if (p.min + p.span > p.scroll + p.clientSpan - p.marginMax) {
if (hasMovedMin && allowReduce) {
p.span = p.clientSpan - p.marginMin - p.marginMax; // can't expand more
} else if (p.span < p.clientSpan - p.marginMin - p.marginMax) { // move newTop up
p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax;
} else { // image larger than client
p.min = p.scroll + p.marginMin;
if (allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax;
}
}
if (p.span < p.minSpan) {
p.span = p.minSpan;
allowReduce = false;
}
if (p.min < p.marginMin) {
tmpMin = p.min;
p.min = p.marginMin;
if (allowReduce) p.span = p.span - (p.min - tmpMin);
}
return p;
},
correctRatio : function(ratio) {
var x = this.x;
var y = this.y;
var changed = false;
if (x.span / y.span > ratio) { // width greater
var tmpWidth = x.span;
x.span = y.span * ratio;
if (x.span < x.minSpan) { // below minWidth
if (hs.padToMinWidth) x.imgSpan = x.span;
x.span = x.minSpan;
if (!x.imgSpan)
y.span = x.span / ratio;
}
changed = true;
} else if (x.span / y.span < ratio) { // height greater
var tmpHeight = y.span;
y.span = x.span / ratio;
changed = true;
}
if (changed) {
x.min = parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW;
x.minSpan = x.span;
this.x = this.justify(x);
y.min = parseInt(this.thumbTop) - this.offsetBorderH + this.thumbOffsetBorderH;
y.minSpan = y.span;
this.y = this.justify(y);
}
},
show : function () {