/*******************************************************************************
* Copyright (c) 2000, 2012 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import org.eclipse.cdt.debug.core.model.ICSignal;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.debug.core.DebugException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.actions.ActionDelegate;
/**
* The delegate of the "Resume With Signal" action.
*/
public class SignalActionDelegate extends ActionDelegate implements IObjectActionDelegate {
private ICSignal fSignal = null;
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
*/
@Override
public void setActivePart( IAction action, IWorkbenchPart targetPart ) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#run(IAction)
*/
@Override
public void run( IAction action ) {
if ( getSignal() != null ) {
final MultiStatus ms = new MultiStatus( CDebugUIPlugin.getUniqueIdentifier(), DebugException.REQUEST_FAILED, ActionMessages.getString( "SignalActionDelegate.0" ), null ); //$NON-NLS-1$
BusyIndicator.showWhile( Display.getCurrent(), new Runnable() {
@Override
public void run() {
try {
doAction( getSignal() );
}
catch( DebugException e ) {
ms.merge( e.getStatus() );
}
}
} );
if ( !ms.isOK() ) {
IWorkbenchWindow window = CDebugUIPlugin.getActiveWorkbenchWindow();
if ( window != null ) {
CDebugUIPlugin.errorDialog( ActionMessages.getString( "SignalActionDelegate.1" ), ms ); //$NON-NLS-1$
}
else {
CDebugUIPlugin.log( ms );
}
}
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
*/
@Override
public void selectionChanged( IAction action, ISelection selection ) {
if ( selection instanceof IStructuredSelection ) {
Object element = ((IStructuredSelection)selection).getFirstElement();
if ( element instanceof ICSignal ) {
boolean enabled = enablesFor( (ICSignal)element );
action.setEnabled( enabled );
if ( enabled ) {
setSignal( (ICSignal)element );
return;
}
}
}
action.setEnabled( false );
setSignal( null );
}
protected void doAction( ICSignal signal ) throws DebugException {
signal.signal();
}
private boolean enablesFor( ICSignal signal ) {
return (signal != null && signal.getDebugTarget().isSuspended());
}
private void setSignal( ICSignal signal ) {
fSignal = signal;
}
protected ICSignal getSignal() {
return fSignal;
}
}