/******************************************************************************
* Copyright (c) 2014 Oracle
* 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:
* Shenxue Zhou - initial implementation and ongoing maintenance
* Konstantin Komissarchik - [376266] Diagram delete all connection bend points action should be available in multi-select mode
* Ling Hao - [383924] Flexible diagram node shapes
******************************************************************************/
package org.eclipse.sapphire.ui.diagram.actions;
import org.eclipse.sapphire.Event;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.ui.Presentation;
import org.eclipse.sapphire.ui.SapphireAction;
import org.eclipse.sapphire.ui.SapphireActionHandler;
import org.eclipse.sapphire.ui.SapphireEditorPagePart.SelectionChangedEvent;
import org.eclipse.sapphire.ui.def.ActionHandlerDef;
import org.eclipse.sapphire.ui.diagram.ConnectionBendpointsEvent;
import org.eclipse.sapphire.ui.diagram.DiagramConnectionPart;
/**
* @author <a href="mailto:shenxue.zhou@oracle.com">Shenxue Zhou</a>
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
* @author <a href="mailto:ling.hao@oracle.com">Ling Hao</a>
*/
public class DeleteAllBendPointsForConnectionActionHandler extends SapphireActionHandler
{
@Override
public void init(SapphireAction action, ActionHandlerDef def) {
super.init(action, def);
DiagramConnectionPart part = (DiagramConnectionPart) getPart();
part.attach(new Listener() {
@Override
public void handle(final Event e) {
if( e instanceof SelectionChangedEvent ) {
broadcast( new EnablementChangedEvent() );
} else if (e instanceof ConnectionBendpointsEvent) {
broadcast( new EnablementChangedEvent() );
}
}
});
}
@Override
public boolean isEnabled()
{
return ! ( (DiagramConnectionPart) getPart() ).getBendpoints().isEmpty();
}
@Override
protected Object run( final Presentation context)
{
( (DiagramConnectionPart) getPart() ).removeAllBendpoints();
return null;
}
}