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/**
* StartDebugCommandHandler.java
* Created on Jun 29, 2012
*
* Copyright (c) 2012, 2013 Wind River Systems, Inc.
*
* The right to copy, distribute, modify, or otherwise make use
* of this software may be licensed only pursuant to the terms
* of an applicable Wind River license agreement.
*/
package org.eclipse.tcf.te.tcf.ui.handler;
import java.util.Iterator;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.tcf.te.core.async.AsyncCallbackCollector;
import org.eclipse.tcf.te.runtime.callback.Callback;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.properties.PropertiesContainer;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IDebugService;
import org.eclipse.tcf.te.runtime.services.interfaces.IUIService;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.steps.StartDebuggerStep.IDelegate;
import org.eclipse.tcf.te.ui.async.UICallbackInvocationDelegate;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.part.EditorPart;
/**
* Start debugger command handler implementation.
*/
public class StartDebugCommandHandler extends AbstractHandler {
/* (non-Javadoc)
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
// Get the active part
IWorkbenchPart part = HandlerUtil.getActivePart(event);
// Get the current selection
ISelection selection = HandlerUtil.getCurrentSelection(event);
// If the handler is invoked from an editor part, ignore the selection and
// construct an artificial selection from the active editor input.
if (part instanceof EditorPart) {
IEditorInput input = ((EditorPart)part).getEditorInput();
Object element = input != null ? input.getAdapter(Object.class) : null;
if (element != null) {
selection = new StructuredSelection(element);
}
}
// If the selection is not empty, iterate over the selection and execute
// the operation for each peer model node in the selection.
if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
// Create the collector keeping track of the callbacks for each peer model
// node within the selection
final AsyncCallbackCollector collector = new AsyncCallbackCollector(new Callback() {
@Override
protected void internalDone(Object caller, IStatus status) {
// Signal that all operations completed
}
}, new UICallbackInvocationDelegate());
Iterator<?> iterator = ((IStructuredSelection)selection).iterator();
while (iterator.hasNext()) {
final Object element = iterator.next();
if (element instanceof IPeerModel) {
startDebugger((IPeerModel)element, new AsyncCallbackCollector.SimpleCollectorCallback(collector));
}
}
// Mark the collector initialization done
collector.initDone();
}
return null;
}
/**
* Starts the debugger for the given peer model node.
*
* @param peerModel The peer model node. Must not be <code>null</code>.
* @param callback The callback. Must not be <code>null</code>.
*/
public void startDebugger(final IPeerModel peerModel, final ICallback callback) {
Assert.isNotNull(peerModel);
Assert.isNotNull(callback);
IDebugService dbgService = ServiceManager.getInstance().getService(peerModel, IDebugService.class, false);
if (dbgService != null) {
final IProgressMonitor monitor = new NullProgressMonitor();
IPropertiesContainer props = new PropertiesContainer();
dbgService.attach(peerModel, props, monitor, new Callback() {
@Override
protected void internalDone(Object caller, IStatus status) {
// Check if there is a delegate registered
IUIService uiService = ServiceManager.getInstance().getService(peerModel, IUIService.class, false);
IDelegate delegate = uiService != null ? uiService.getDelegate(peerModel, IDelegate.class) : null;
if (delegate != null) {
delegate.postAttachDebugger(peerModel, monitor, callback);
} else {
callback.done(caller, status);
}
}
});
}
}
}
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