/*******************************************************************************
* Copyright (c) 2013, 2015 EclipseSource and others.
* All rights reserved. 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package org.eclipse.swt.internal.widgets.menuitemkit;
import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_HELP;
import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SELECTION;
import org.eclipse.rap.json.JsonObject;
import org.eclipse.rap.json.JsonValue;
import org.eclipse.rap.rwt.internal.protocol.WidgetOperationHandler;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.MenuItem;
public class MenuItemOperationHandler extends WidgetOperationHandler<MenuItem> {
private static final String PROP_SELECTION = "selection";
public MenuItemOperationHandler( MenuItem item ) {
super( item );
}
@Override
public void handleSet( MenuItem item, JsonObject properties ) {
handleSetSelection( item, properties );
}
@Override
public void handleNotify( MenuItem item, String eventName, JsonObject properties ) {
if( EVENT_SELECTION.equals( eventName ) ) {
handleNotifySelection( item, properties );
} else if( EVENT_HELP.equals( eventName ) ) {
handleNotifyHelp( item );
} else {
super.handleNotify( item, eventName, properties );
}
}
/*
* PROTOCOL SET selection
*
* @param selection (boolean) true if the item was selected, otherwise false
*/
public void handleSetSelection( MenuItem item, JsonObject properties ) {
JsonValue selection = properties.get( PROP_SELECTION );
if( selection != null ) {
item.setSelection( selection.asBoolean() );
}
}
/*
* PROTOCOL NOTIFY Selection
*
* @param altKey (boolean) true if the ALT key was pressed
* @param ctrlKey (boolean) true if the CTRL key was pressed
* @param shiftKey (boolean) true if the SHIFT key was pressed
*/
public void handleNotifySelection( MenuItem item, JsonObject properties ) {
Event event = createSelectionEvent( SWT.Selection, properties );
if( ( item.getStyle() & SWT.RADIO ) != 0 && !item.getSelection() ) {
event.time = -1;
}
item.notifyListeners( SWT.Selection, event );
}
/*
* PROTOCOL NOTIFY Help
*/
public void handleNotifyHelp( MenuItem item ) {
item.notifyListeners( SWT.Help, new Event() );
}
}