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/*******************************************************************************
* Copyright (c) 2010 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.debug.examples.ui.pda.adapters;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IMemoryBlock;
import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
import org.eclipse.debug.examples.ui.pda.DebugUIPlugin;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbenchWindow;
/**
* Action to add a memory block when a PDA debug target is selected
*/
public class AddPDAMemoryBlockAction implements IActionDelegate2{
public AddPDAMemoryBlockAction() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
@Override
public void run(IAction action) {
IWorkbenchWindow window = DebugUIPlugin.getActiveWorkbenchWindow();
if (window != null) {
ISelectionService service = window.getSelectionService();
ISelection selection = service.getSelection();
PDADebugTarget target = getTarget(selection);
if (target != null) {
try {
IMemoryBlock block = target.getMemoryBlock(0, 1024);
DebugPlugin.getDefault().getMemoryBlockManager().addMemoryBlocks(new IMemoryBlock[]{block});
} catch (DebugException e) {
}
}
}
}
/**
* Returns the selected debug target or <code>null</code>.
*
* @param selection selection
* @return debug target from the selection or <code>null</code>
*/
private PDADebugTarget getTarget(ISelection selection) {
if (selection instanceof IStructuredSelection) {
IStructuredSelection ss = (IStructuredSelection) selection;
if (ss.size() == 1) {
Object element = ss.getFirstElement();
if (element instanceof PDADebugTarget) {
return (PDADebugTarget) element;
}
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
@Override
public void selectionChanged(IAction action, ISelection selection) {
PDADebugTarget target = getTarget(selection);
action.setEnabled(target != null && !target.isTerminated());
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
*/
@Override
public void init(IAction action) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate2#dispose()
*/
@Override
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event)
*/
@Override
public void runWithEvent(IAction action, Event event) {
run(action);
}
}
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