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/*******************************************************************************
* 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
******************************************************************************/
rwt.qx.Class.define("rwt.event.DomEvent",
{
extend : rwt.event.Event,
/*
*****************************************************************************
CONSTRUCTOR
*****************************************************************************
*/
construct : function(vType, vDomEvent, vDomTarget, vTarget, vOriginalTarget)
{
this.base(arguments, vType);
this.setDomEvent(vDomEvent);
this.setDomTarget(vDomTarget);
this.setTarget(vTarget);
this.setOriginalTarget(vOriginalTarget);
},
/*
*****************************************************************************
STATICS
*****************************************************************************
*/
statics :
{
/** {int} The modifier mask for the shift key. */
SHIFT_MASK : 1,
/** {int} The modifier mask for the control key. */
CTRL_MASK : 2,
/** {int} The modifier mask for the alt key. */
ALT_MASK : 4,
/** {int} The modifier mask for the meta key (e.g. apple key on Macs). */
META_MASK : 8
},
/*
*****************************************************************************
PROPERTIES
*****************************************************************************
*/
properties :
{
bubbles :
{
_fast : true,
defaultValue : true,
noCompute : true
},
propagationStopped :
{
_fast : true,
defaultValue : false,
noCompute : true
},
domEvent :
{
_fast : true,
setOnlyOnce : true,
noCompute : true
},
domTarget :
{
_fast : true,
setOnlyOnce : true,
noCompute : true
},
/**
* The modifiers. A mask of the pressed modifier keys. This is an OR-combination of
* {@link #SHIFT_MASK}, {@link #CTRL_MASK}, {@link #ALT_MASK} and {@link #META_MASK}.
*/
modifiers :
{
_cached : true,
defaultValue : null
}
},
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members :
{
/**
* property computer
*
* @type member
* @return {var} TODOC
*/
_computeModifiers : function() {
var mask = 0;
var evt = this.getDomEvent();
if( evt.shiftKey ) {
mask |= rwt.event.DomEvent.SHIFT_MASK;
}
if( evt.ctrlKey ) {
mask |= rwt.event.DomEvent.CTRL_MASK;
}
if( evt.altKey ) {
mask |= rwt.event.DomEvent.ALT_MASK;
}
if( evt.metaKey ) {
mask |= rwt.event.DomEvent.META_MASK;
}
return mask;
},
/*
---------------------------------------------------------------------------
SPECIAL KEY SUPPORT
---------------------------------------------------------------------------
*/
/**
* Returns whether the the ctrl key is pressed.
*
* @type member
* @return {Boolean} whether the the ctrl key is pressed.
*/
isCtrlPressed : function() {
return this.getDomEvent().ctrlKey;
},
/**
* Returns whether the the shift key is pressed.
*
* @type member
* @return {Boolean} whether the the shift key is pressed.
*/
isShiftPressed : function() {
return this.getDomEvent().shiftKey;
},
/**
* Returns whether the the alt key is pressed.
*
* @type member
* @return {Boolean} whether the the alt key is pressed.
*/
isAltPressed : function() {
return this.getDomEvent().altKey;
},
/**
* Returns whether the the meta key is pressed.
*
* @type member
* @return {Boolean} whether the the meta key is pressed.
*/
isMetaPressed : function() {
return this.getDomEvent().metaKey;
},
/**
* Returns whether the ctrl key or (on the Mac) the command key is pressed.
*
* @type member
* @return {Boolean} true if the command key is pressed on the Mac
* or the ctrl key is pressed on another system.
*/
isCtrlOrCommandPressed : function()
{
if( rwt.client.Client.getPlatform() === "mac" ) {
return this.getDomEvent().metaKey;
} else {
return this.getDomEvent().ctrlKey;
}
},
/*
---------------------------------------------------------------------------
PREVENT DEFAULT
---------------------------------------------------------------------------
*/
/**
* TODOC
*
* @type member
* @param vValue {var} TODOC
* @return {var} TODOC
* @signature function(vValue)
*/
setDefaultPrevented : function( vValue ) {
if( !vValue ) {
throw new Error( "It is not possible to set preventDefault to false if it was true before!" );
}
rwt.event.EventHandlerUtil.stopDomEvent( this.getDomEvent() );
this.base(arguments, vValue);
}
},
/*
*****************************************************************************
DESTRUCTOR
*****************************************************************************
*/
destruct : function() {
this._disposeFields("_valueDomEvent", "_valueDomTarget");
}
});
