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/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
Ext.ux.Spotlight = function(config){
Ext.apply(this, config);
}
Ext.ux.Spotlight.prototype = {
active : false,
animate : true,
duration: .25,
easing:'easeNone',
// private
animated : false,
createElements : function(){
var bd = Ext.getBody();
this.right = bd.createChild({cls:'x-spotlight'});
this.left = bd.createChild({cls:'x-spotlight'});
this.top = bd.createChild({cls:'x-spotlight'});
this.bottom = bd.createChild({cls:'x-spotlight'});
this.all = new Ext.CompositeElement([this.right, this.left, this.top, this.bottom]);
},
show : function(el, callback, scope){
if(this.animated){
this.show.defer(50, this, [el, callback, scope]);
return;
}
this.el = Ext.get(el);
if(!this.right){
this.createElements();
}
if(!this.active){
this.all.setDisplayed('');
this.applyBounds(true, false);
this.active = true;
Ext.EventManager.onWindowResize(this.syncSize, this);
this.applyBounds(false, this.animate, false, callback, scope);
}else{
this.applyBounds(false, false, false, callback, scope); // all these booleans look hideous
}
},
hide : function(callback, scope){
if(this.animated){
this.hide.defer(50, this, [callback, scope]);
return;
}
Ext.EventManager.removeResizeListener(this.syncSize, this);
this.applyBounds(true, this.animate, true, callback, scope);
},
doHide : function(){
this.active = false;
this.all.setDisplayed(false);
},
syncSize : function(){
this.applyBounds(false, false);
},
applyBounds : function(basePts, anim, doHide, callback, scope){
var rg = this.el.getRegion();
var dw = Ext.lib.Dom.getViewWidth(true);
var dh = Ext.lib.Dom.getViewHeight(true);
var c = 0, cb = false;
if(anim){
cb = {
callback: function(){
c++;
if(c == 4){
this.animated = false;
if(doHide){
this.doHide();
}
Ext.callback(callback, scope, [this]);
}
},
scope: this,
duration: this.duration,
easing: this.easing
};
this.animated = true;
}
this.right.setBounds(
rg.right,
basePts ? dh : rg.top,
dw - rg.right,
basePts ? 0 : (dh - rg.top),
cb);
this.left.setBounds(
0,
0,
rg.left,
basePts ? 0 : rg.bottom,
cb);
this.top.setBounds(
basePts ? dw : rg.left,
0,
basePts ? 0 : dw - rg.left,
rg.top,
cb);
this.bottom.setBounds(
0,
rg.bottom,
basePts ? 0 : rg.right,
dh - rg.bottom,
cb);
if(!anim){
if(doHide){
this.doHide();
}
if(callback){
Ext.callback(callback, scope, [this]);
}
}
},
destroy : function(){
this.doHide();
Ext.destroy(
this.right,
this.left,
this.top,
this.bottom);
delete this.el;
delete this.all;
}
};
//backwards compat
Ext.Spotlight = Ext.ux.Spotlight;
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