/*******************************************************************************
* Copyright (c) 2008, 2010 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly.actions;
import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.provisional.IDisassemblyPart;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.Action;
import org.eclipse.ui.IPropertyListener;
import org.eclipse.ui.texteditor.IUpdate;
public abstract class AbstractDisassemblyAction extends Action implements IUpdate, IPropertyListener {
protected IDisassemblyPart fDisassemblyPart;
AbstractDisassemblyAction() {
}
/**
* Create a disassembly action.
*
* @param disassemblyPart
*/
public AbstractDisassemblyAction(IDisassemblyPart disassemblyPart) {
Assert.isLegal(disassemblyPart != null);
fDisassemblyPart= disassemblyPart;
fDisassemblyPart.addPropertyListener(this);
}
/**
* Create a disassembly action.
*
* @param disassemblyPart
* @param style
* one of <code>AS_PUSH_BUTTON</code>,
* <code>AS_CHECK_BOX</code>, <code>AS_DROP_DOWN_MENU</code>,
* <code>AS_RADIO_BUTTON</code>, and
* <code>AS_UNSPECIFIED</code>.
*/
public AbstractDisassemblyAction(IDisassemblyPart disassemblyPart, int style) {
super(null, style);
Assert.isLegal(disassemblyPart != null);
fDisassemblyPart= disassemblyPart;
fDisassemblyPart.addPropertyListener(this);
}
/**
* @return the disassembly part
*/
public final IDisassemblyPart getDisassemblyPart() {
return fDisassemblyPart;
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public abstract void run();
public void update() {
boolean enabled= fDisassemblyPart == null || fDisassemblyPart.isConnected();
setEnabled(enabled);
}
/*
* @see org.eclipse.ui.IPropertyListener#propertyChanged(java.lang.Object, int)
*/
public void propertyChanged(Object source, int propId) {
if (source == fDisassemblyPart && (propId & 0x500) != 0) {
update();
}
}
}