Created
August 8, 2010 00:10
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Old Lightbox implementation by Leon Radley and Sebastian Markbåge at Calyptus Life AB
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.Lightbox | |
{ | |
position: absolute; | |
background: #fff; | |
border: 10px solid #fff; | |
width: 200px; | |
height: 200px; | |
top: 50%; | |
left: 50%; | |
margin: -100px; | |
overflow: hidden; | |
z-index: 2; | |
visibility: hidden; | |
} | |
.LightboxLoading | |
{ | |
background-image: url(loading.gif); | |
background-position: center; | |
background-repeat: no-repeat; | |
} | |
.Lightbox .Content | |
{ | |
position: relative; | |
overflow: hidden; | |
} | |
.Lightbox .Content .Image | |
{ | |
position: relative; | |
} | |
.Lightbox .Content .Image .Next, | |
.Lightbox .Content .Image .Previous | |
{ | |
display: block; | |
top: 0; | |
width: 49%; | |
height: 100%; | |
outline: 0; | |
} | |
.Lightbox .Content .Image .Next | |
{ | |
float: right; | |
} | |
.Lightbox .Content .Image .Next:hover | |
{ | |
background: transparent url(next.gif) no-repeat 100% 15%; | |
} | |
.Lightbox .Content .Image .Previous | |
{ | |
float: left; | |
} | |
.Lightbox .Content .Image .Previous:hover | |
{ | |
background: transparent url(previous.gif) no-repeat 0% 15%; | |
} | |
.Lightbox .Content .Bottom | |
{ | |
position: relative; | |
width: 100%; | |
overflow: hidden; | |
} | |
.Lightbox .Content .Bottom .Title | |
{ | |
margin: .3em; | |
} | |
.Lightbox .Content .Bottom .Close | |
{ | |
display: inline; | |
float: right; | |
width: 32px; | |
height: 32px; | |
background: transparent url(close.gif) no-repeat center; | |
margin: 10px 0 10px 10px; | |
} |
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addEvent('domready', function(){ | |
var overlay = new Popup.Overlay({ | |
styles: { | |
position: 'absolute', | |
width: '100%', | |
height: '100%', | |
top: '0', | |
left: '0', | |
backgroundColor: '#7E7E7E' | |
} | |
}); | |
var lightbox = new Popup.Lightbox(false, { holder: overlay }); | |
$$('a[rel^=Lightbox]').each(function(a){ | |
lightbox.add(a.href, a.title); | |
a.addEvent('click', function(e){ e.preventDefault(); lightbox.show(this.href, this.title); }); | |
}); | |
}); |
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var Popup = new Class({ | |
Implements: [Options, Events], | |
options: { | |
/* | |
onLoad | |
onShow: $empty, | |
onHide: $empty, | |
onTransition: $empty, | |
onCancel: $empty, | |
multipleChildren: false, | |
hideWhenEmpty: false, | |
*/ | |
chainChildren: true | |
}, | |
/* | |
visible: false, | |
*/ | |
children: [], | |
initialize: function(element, options){ | |
this.element = $(element); | |
if (options && options.holder){ | |
options.holder.addChild(this); | |
delete options.holder; | |
} | |
this.setOptions(options); | |
}, | |
addChild: function(child){ | |
child.holder = this; | |
this.children.include(child); | |
}, | |
show: function(){ | |
if (this.holder) | |
if (!this.holder.shown) | |
this.holder.show(); | |
else if (!this.holder.options.multipleChildren) { | |
var th = this; | |
this.holder.children.each(function(c){if(c != th) c._hide();}); | |
} | |
if (this.visible) { | |
this.call(this.onTransition.bind(this, arguments)); | |
} else { | |
this.visible = true; | |
this.call(this.onShow.bind(this, arguments)); | |
} | |
}, | |
hide: function(){ | |
if (this.holder && this.holder.visible && this.holder.options.hideWhenEmpty){ | |
var cs = this.holder.children; | |
for(var i=0;i<cs.length;i++) | |
if (cs[i].visible && cs[i] != this){ | |
this._hide(); | |
return; | |
} | |
this.holder.hide(); | |
return; | |
} | |
this._hide(); | |
}, | |
_hide: function(){ | |
if (this.visible){ | |
this.children.each(function(c){ c._hide(); }); | |
this.visible = false; | |
this.call(this.onHide); | |
} | |
}, | |
$next: $empty, | |
requestQueue: function(p){ | |
if (this.holder) | |
this.holder.requestQueue(p); | |
else if (this.running){ | |
(this.$queue = (this.$queue || []).erase(p)).push(p); | |
} else { | |
this.running = true; | |
p.callNext(); | |
} | |
}, | |
nextInQueue: function(){ | |
if (this.holder) | |
this.holder.nextInQueue(); | |
else if (this.$queue && this.$queue.length > 0) | |
this.$queue.shift().callNext(); | |
else | |
this.running = false; | |
}, | |
call: function(f){ | |
//this.cancel(); | |
this.$next = f; | |
this.requestQueue(this); | |
}, | |
callNext: function(){ | |
this.running = true; | |
this.$next.apply(this); | |
this.$next = $empty; | |
}, | |
cancel: function(){ | |
if (this.running){ | |
this.running = false; | |
this.$next = false; | |
if (this.$queue) this.$queue.empty(); | |
this.children.each(function(c){c.cancel();}); | |
} | |
}, | |
complete: function(){ | |
this.running = false; | |
this.nextInQueue(); | |
}, | |
onShow: function(){ return this.fireEvent('onShow', arguments); }, | |
onHide: function(){ return this.fireEvent('onHide', arguments); }, | |
onTransition: function(){ return this.fireEvent('onTransition', arguments); }, | |
onCancel: function(){ return this.fireEvent('onCancel', arguments); } | |
}); |
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Popup.Lightbox = new Class({ | |
Extends: Popup, | |
options: { | |
elementFx: { duration: 300 }, | |
contentFx: { duration: 500 } | |
}, | |
/* | |
content: $empty, | |
image: $empty, | |
title: $empty, | |
*/ | |
images: [], | |
titles: new Hash(), | |
current: $empty, | |
initialize: function(element, options){ | |
if($type(element) == 'object') options = element; | |
var e = this.element = $(element) || new Element('div', { 'class': 'Lightbox', html: '<div class="Content"><div class="Image"><a class="Next" href="javascript:void(0);"></a><a class="Previous" href="javascript:void(0);"></a></div><div class="Bottom"><a class="Close" href="javascript:void(0);"></a><div class="Title"></div></div></div>' }); | |
if(options){ | |
if (options.elementFx) this.options.elementFx = options.elementFx; | |
if (options.contentFx) this.options.contentFx = options.contentFx; | |
this.setOptions(options); | |
} | |
e.set('tabindex', -1); | |
this.elementFx = new Fx.Morph(e, $merge(this.options.elementFx, {link: 'cancel'})); | |
this.elementFx.set({'opacity': 0}); | |
var s = e.setStyle; | |
e.setStyle = function() { s.apply(this, arguments); var z = this.getSize(); s.apply(s.apply(this, ['marginTop', -(z.y/2)]), ['marginLeft', -(z.x/2)]); }; | |
this.content = e.getElement('.Content'); | |
this.contentFx = new Fx.Morph(this.content, $merge(this.options.contentFx, {link: 'cancel'})); | |
this.contentFx.set({'opacity': 0}); | |
this.image = e.getElement('.Image'); | |
var actions = new Hash({'.Next': this.next, '.Previous': this.previous, '.Close': this.hide}) | |
var t = this; | |
actions.each(function(fn, k){ | |
var a = e.getElement(k); | |
if(a) a.addEvent('click', function(e) { e.preventDefault(); fn.apply(t, arguments); }); | |
}); | |
this.title = e.getElement('.Title'); | |
this.element.addEvent('keyup', this.keyboardListener.bindWithEvent(this)); | |
arguments.callee.parent(this.element, options); | |
}, | |
onShow: function(url, title){ | |
if(this.holder) | |
this.holder.element.adopt(this.element); | |
else | |
this.element.inject(document.body); | |
this.element.addClass('LightboxLoading'); | |
this.current = url; | |
if($defined(title)) this.titles.set(url, title); | |
var loaded = false; | |
var img = new Asset.image(url, {onload: function(){ this.element.removeClass('LightboxLoading'); if(this.elementFx.timer || this.contentFx.timer) loaded = true; else this.animation(img); }.bind(this)}); | |
this.elementFx.start({'opacity': 1}).chain(function(){ | |
if(loaded) | |
this.animation(img); | |
}.bind(this)); | |
}, | |
onHide: function(){ | |
this.elementFx.start({'opacity': 0}).chain(function(){ | |
this.contentFx.set({'opacity': 0}); | |
this.element.dispose(); | |
this.complete(); | |
}.bind(this)); | |
}, | |
onTransition: function(url){ | |
this.contentFx.start({'opacity': 0}).chain( | |
this.onShow.bind(this, arguments) | |
); | |
}, | |
onCancel: function(){ | |
this.elementFx.cancel(); | |
this.contentFx.cancel(); | |
}, | |
animation: function(img){ | |
this.image.setStyles({'backgroundImage': 'url(' + img.src + ')', width: img.width, height: img.height}); | |
if (this.title) this.title.set('html', this.titles.get(img.src)); | |
var w = img.width; | |
this.elementFx.start({'width': w}).chain(function(){ | |
var h = this.content.getScrollHeight(); | |
this.elementFx.start({'height': h}).chain(function(){ | |
this.contentFx.start({'opacity': 1}).chain(function(){ | |
this.element.focus(); | |
this.complete(); | |
}.bind(this)); | |
}.bind(this)); | |
}.bind(this)); | |
}, | |
add: function(url, title){ | |
this.images.include(url); | |
this.titles.set(url, title); | |
return this; | |
}, | |
next: function(){ | |
var i = this.images.indexOf(this.current); | |
i = (i >= this.images.length-1) ? 0 : i+1; | |
return this.show(this.current = this.images[i]); | |
}, | |
previous: function(){ | |
var i = this.images.indexOf(this.current); | |
i = (i <= 0) ? this.images.length-1 : i-1; | |
return this.show(this.current = this.images[i]); | |
}, | |
keyboardListener: function(e){ | |
switch (e.key){ | |
case 'esc': case 'backspace': case 'delete': this.hide(); break; | |
case 'left': case 'down': this.previous(); break; | |
case 'right': case 'up': this.next(); | |
} | |
} | |
}); |
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Popup.Overlay = new Class({ | |
Extends: Popup, | |
options: { | |
/* | |
parentElement: false, | |
className: null, | |
fx: { }, | |
*/ | |
styles: { | |
position: 'absolute', | |
width: '100%', | |
height: '100%', | |
top: '0', | |
left: '0', | |
backgroundColor: '#000000' | |
}, | |
showStyle: {opacity: .8}, | |
hideStyle: {opacity: 0}, | |
hideWhenEmpty: true | |
}, | |
initialize: function(options){ | |
if (options){ | |
if (options.showStyle) this.options.showStyle = options.showStyle; | |
if (options.hideStyle) this.options.hideStyle = options.hideStyle; | |
this.setOptions(options); | |
} | |
var fix = Browser.Engine.trident5 || Browser.Engine.gecko || Browser.Engine.webkit || Browser.Engine.presto; | |
var pe = $(this.options.parentElement) || $(document.body); | |
var element = new Element('div', { | |
'styles': { | |
position: fix ? 'fixed' : 'absolute', | |
display: 'none', | |
visibility: 'visible', | |
width: '100%', | |
height: '100%', | |
overflow: 'hidden', | |
top: 0, | |
left: 0, | |
margin: 0, | |
padding: 0, | |
border: 0, | |
zIndex: 1000 | |
} | |
}).inject(pe); | |
this.bg = new Element('div', { | |
'class': this.options.className, | |
'styles': this.options.styles, | |
'events': { click: this.hide.bind(this) } | |
}).inject(element); | |
this.morph = new Fx.Morph(this.bg, $merge(this.options.fx, { link: 'cancel', onComplete: this.complete.bind(this) })); | |
this.morph.set(this.options.hideStyle); | |
arguments.callee.parent(element, options); | |
if (!fix){ | |
(pe.get('tag') == 'body' ? window : pe).addEvent('scroll', this.posFix.bind(this, pe)).addEvent('resize', this.posFix.bind(this, pe)); | |
this.posFix(pe); | |
} | |
}, | |
posFix: function(pe){ | |
var p = pe.getScroll(), s = pe.getSize(); | |
this.element.set('styles', {top: p.y, left: p.x, height: s.y + 'px', width: s.x + 'px'}); | |
}, | |
onShow: function(){ | |
this.element.setStyle('display', 'block'); | |
this.morph.start(this.options.showStyle); | |
arguments.callee.parent.apply(this, arguments); | |
}, | |
onHide: function(){ | |
this.morph.start(this.options.hideStyle).chain(function(){ | |
this.element.setStyle('display', 'none'); | |
}.bind(this)); | |
arguments.callee.parent.apply(this, arguments); | |
}, | |
onTransition: function(){ | |
this.complete(); | |
arguments.callee.parent.apply(this, arguments); | |
}, | |
onCancel: function(){ | |
this.morph.cancel(); | |
arguments.callee.parent.apply(this, arguments); | |
} | |
}); |
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