examples/org.eclipse.ocl.examples.debug.vm.ui/src/org/eclipse/ocl/examples/debug/vm/ui/actions/VMToggleBreakpointHandler.java

/*******************************************************************************
 * Copyright (c) 2018 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     E.D.Willink - revised from IActionDelegaye to IHandler
 *******************************************************************************/
package org.eclipse.ocl.examples.debug.vm.ui.actions;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.debug.ui.actions.ToggleBreakpointAction;
import org.eclipse.jface.text.source.IVerticalRulerInfo;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.handlers.HandlerUtil;

public class VMToggleBreakpointHandler extends AbstractHandler
{
	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		IWorkbenchPart part = HandlerUtil.getActivePart(event);
		if (part == null) {
			return null;
		}
		IVerticalRulerInfo rulerInfo = part.getAdapter(IVerticalRulerInfo.class);
		if (rulerInfo == null) {
			return null;
		}
		ToggleBreakpointAction toggleBreakpointAction = new ToggleBreakpointAction(part, null, rulerInfo);
		toggleBreakpointAction.run();
		return null;
	}
}