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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
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<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
<div id="cls-Ext.WindowGroup"></div>/**
* @class Ext.WindowGroup
* An object that manages a group of {@link Ext.Window} instances and provides z-order management
* and window activation behavior.
* @constructor
*/
Ext.WindowGroup = function(){
var list = {};
var accessList = [];
var front = null;
// private
var sortWindows = function(d1, d2){
return (!d1._lastAccess || d1._lastAccess < d2._lastAccess) ? -1 : 1;
};
// private
var orderWindows = function(){
var a = accessList, len = a.length;
if(len > 0){
a.sort(sortWindows);
var seed = a[0].manager.zseed;
for(var i = 0; i < len; i++){
var win = a[i];
if(win && !win.hidden){
win.setZIndex(seed + (i*10));
}
}
}
activateLast();
};
// private
var setActiveWin = function(win){
if(win != front){
if(front){
front.setActive(false);
}
front = win;
if(win){
win.setActive(true);
}
}
};
// private
var activateLast = function(){
for(var i = accessList.length-1; i >=0; --i) {
if(!accessList[i].hidden){
setActiveWin(accessList[i]);
return;
}
}
// none to activate
setActiveWin(null);
};
return {
<div id="prop-Ext.WindowGroup-zseed"></div>/**
* The starting z-index for windows in this WindowGroup (defaults to 9000)
* @type Number The z-index value
*/
zseed : 9000,
<div id="method-Ext.WindowGroup-register"></div>/**
* <p>Registers a {@link Ext.Window Window} with this WindowManager. This should not
* need to be called under normal circumstances. Windows are automatically registered
* with a {@link Ext.Window#manager manager} at construction time.</p>
* <p>Where this may be useful is moving Windows between two WindowManagers. For example,
* to bring the Ext.MessageBox dialog under the same manager as the Desktop's
* WindowManager in the desktop sample app:</p><code><pre>
var msgWin = Ext.MessageBox.getDialog();
MyDesktop.getDesktop().getManager().register(msgWin);
</pre></code>
* @param {Window} win The Window to register.
*/
register : function(win){
if(win.manager){
win.manager.unregister(win);
}
win.manager = this;
list[win.id] = win;
accessList.push(win);
win.on('hide', activateLast);
},
<div id="method-Ext.WindowGroup-unregister"></div>/**
* <p>Unregisters a {@link Ext.Window Window} from this WindowManager. This should not
* need to be called. Windows are automatically unregistered upon destruction.
* See {@link #register}.</p>
* @param {Window} win The Window to unregister.
*/
unregister : function(win){
delete win.manager;
delete list[win.id];
win.un('hide', activateLast);
accessList.remove(win);
},
<div id="method-Ext.WindowGroup-get"></div>/**
* Gets a registered window by id.
* @param {String/Object} id The id of the window or a {@link Ext.Window} instance
* @return {Ext.Window}
*/
get : function(id){
return typeof id == "object" ? id : list[id];
},
<div id="method-Ext.WindowGroup-bringToFront"></div>/**
* Brings the specified window to the front of any other active windows in this WindowGroup.
* @param {String/Object} win The id of the window or a {@link Ext.Window} instance
* @return {Boolean} True if the dialog was brought to the front, else false
* if it was already in front
*/
bringToFront : function(win){
win = this.get(win);
if(win != front){
win._lastAccess = new Date().getTime();
orderWindows();
return true;
}
return false;
},
<div id="method-Ext.WindowGroup-sendToBack"></div>/**
* Sends the specified window to the back of other active windows in this WindowGroup.
* @param {String/Object} win The id of the window or a {@link Ext.Window} instance
* @return {Ext.Window} The window
*/
sendToBack : function(win){
win = this.get(win);
win._lastAccess = -(new Date().getTime());
orderWindows();
return win;
},
<div id="method-Ext.WindowGroup-hideAll"></div>/**
* Hides all windows in this WindowGroup.
*/
hideAll : function(){
for(var id in list){
if(list[id] && typeof list[id] != "function" && list[id].isVisible()){
list[id].hide();
}
}
},
<div id="method-Ext.WindowGroup-getActive"></div>/**
* Gets the currently-active window in this WindowGroup.
* @return {Ext.Window} The active window
*/
getActive : function(){
return front;
},
<div id="method-Ext.WindowGroup-getBy"></div>/**
* Returns zero or more windows in this WindowGroup using the custom search function passed to this method.
* The function should accept a single {@link Ext.Window} reference as its only argument and should
* return true if the window matches the search criteria, otherwise it should return false.
* @param {Function} fn The search function
* @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to the Window being tested.
* that gets passed to the function if not specified)
* @return {Array} An array of zero or more matching windows
*/
getBy : function(fn, scope){
var r = [];
for(var i = accessList.length-1; i >=0; --i) {
var win = accessList[i];
if(fn.call(scope||win, win) !== false){
r.push(win);
}
}
return r;
},
<div id="method-Ext.WindowGroup-each"></div>/**
* Executes the specified function once for every window in this WindowGroup, passing each
* window as the only parameter. Returning false from the function will stop the iteration.
* @param {Function} fn The function to execute for each item
* @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to the current Window in the iteration.
*/
each : function(fn, scope){
for(var id in list){
if(list[id] && typeof list[id] != "function"){
if(fn.call(scope || list[id], list[id]) === false){
return;
}
}
}
}
};
};
<div id="cls-Ext.WindowMgr"></div>/**
* @class Ext.WindowMgr
* @extends Ext.WindowGroup
* The default global window group that is available automatically. To have more than one group of windows
* with separate z-order stacks, create additional instances of {@link Ext.WindowGroup} as needed.
* @singleton
*/
Ext.WindowMgr = new Ext.WindowGroup();</pre>
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