rwt.widgets.util.WindowManager.js Maven / Gradle / Ivy
/*******************************************************************************
* Copyright: 2004, 2012 1&1 Internet AG, Germany, http://www.1und1.de,
* and EclipseSource
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this
* distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* 1&1 Internet AG and others - original API and implementation
* EclipseSource - adaptation for the Eclipse Rich Ajax Platform
******************************************************************************/
/** This singleton manages rwt.widgets.base.Windows */
rwt.qx.Class.define("rwt.widgets.util.WindowManager",
{
extend : rwt.util.ObjectManager,
/*
*****************************************************************************
PROPERTIES
*****************************************************************************
*/
properties :
{
/** This property holds the current active window */
activeWindow :
{
check : "Object",
nullable : true,
apply : "_applyActiveWindow"
}
},
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members :
{
blockActiveState : false,
/*
---------------------------------------------------------------------------
APPLY ROUTINES
---------------------------------------------------------------------------
*/
/**
* TODOC
*
* @type member
* @param value {var} Current value
* @param old {var} Previous value
*/
_applyActiveWindow : function(value, old)
{
rwt.widgets.util.PopupManager.getInstance().update();
if (old) {
old.setActive(false);
}
if (value) {
value.setActive(true);
}
if (old && old.getModal()) {
old.getTopLevelWidget().release(old);
}
if (value && value.getModal()) {
value.getTopLevelWidget().block(value);
}
},
/*
---------------------------------------------------------------------------
UTILITIES
---------------------------------------------------------------------------
*/
/**
* Updates all registered window instances
*
* @type member
* @return {void}
*/
update : function()
{
var vWindow, vHashCode;
var vAll = this.getAll();
for (var vHashCode in vAll)
{
vWindow = vAll[vHashCode];
if (!vWindow.getAutoHide()) {
continue;
}
vWindow.hide();
}
},
/*
---------------------------------------------------------------------------
MANAGER INTERFACE
---------------------------------------------------------------------------
*/
/**
* Compares two windows (used as sort method in {@link #remove}).
* Sorts the windows by checking which of the given windows is active.
* If none of those two are active the zIndex are subtracted from each
* other to determine the sort order.
*
* @type member
* @param w1 {rwt.widgets.base.Window} first window to compare
* @param w2 {rwt.widgets.base.Window} second window to compare
* @return {int | var} 1 for first window active, -1 for second window active
* and the subtraction of the zIndex if none of the two are active.
*/
compareWindows : function(w1, w2)
{
switch(w1.getWindowManager().getActiveWindow())
{
case w1:
return 1;
case w2:
return -1;
}
return w1.getZIndex() - w2.getZIndex();
},
/**
* Adds a {@link rwt.widgets.base.Window} instance to the manager and
* sets it as active window.
*
* @type member
* @param vWindow {rwt.widgets.base.Window} window instance to add
* @return {void}
*/
add : function(vWindow)
{
this.base(arguments, vWindow);
this.setActiveWindow(vWindow);
},
/**
* Removes a {@link rwt.widgets.base.Window} instance from the manager.
* If the current active window is the one which should be removed the
* existing windows are compared to determine the new active window
* (using the {@link #compareWindows} method).
*
* @type member
* @param vWindow {rwt.widgets.base.Window} window instance
* @return {void}
*/
remove : function( vWindow ) {
this.base( arguments, vWindow );
if( this.getActiveWindow() == vWindow ) {
var a = [];
for( var i in this._objects ) {
a.push( this._objects[ i ] );
}
var l = a.length;
if( l === 0 ) {
this.setActiveWindow( null );
} else if ( l === 1 ) {
this.setActiveWindow( a[ 0 ] );
} else if ( l > 1 ) {
a.sort( this.compareWindows );
this.setActiveWindow( a[ l - 1 ] );
}
}
}
}
});