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/*******************************************************************************
* Copyright (c) 2011 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.tm.internal.tcf.debug.ui.commands;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.IDebugView;
import org.eclipse.debug.ui.memory.IMemoryRenderingSite;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModel;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNode;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNodeExecContext;
import org.eclipse.tm.tcf.util.TCFDataCache;
import org.eclipse.tm.tcf.util.TCFTask;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.handlers.HandlerUtil;
public class RefreshHandler extends AbstractHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
Object input = null;
final IWorkbenchPart part = HandlerUtil.getActivePart(event);
if (part instanceof IMemoryRenderingSite) {
IWorkbenchPartSite site = part.getSite();
if (site != null) {
ISelection selection = DebugUITools.getDebugContextManager().getContextService(
site.getWorkbenchWindow()).getActiveContext();
if (selection instanceof IStructuredSelection) {
input = ((IStructuredSelection)selection).getFirstElement();
}
}
}
else if (part instanceof IDebugView) {
IWorkbenchPartSite site = part.getSite();
if (site != null && IDebugUIConstants.ID_DEBUG_VIEW.equals(site.getId())) {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection) {
Object obj = ((IStructuredSelection)selection).getFirstElement();
if (obj instanceof TCFNode) input = ((TCFNode)obj).getModel().getRootNode();
}
}
else {
input = ((IDebugView)part).getViewer().getInput();
}
}
if (input instanceof TCFNode) {
final TCFNode node = (TCFNode)input;
return new TCFTask<Object>(node.getChannel()) {
public void run() {
TCFModel model = node.getModel();
TCFNode ref_node = node;
if (part instanceof IMemoryRenderingSite) {
// Search memory node
TCFDataCache<TCFNodeExecContext> mem_cache = model.searchMemoryContext(node);
if (mem_cache == null) {
done(null);
return;
}
if (!mem_cache.validate(this)) return;
ref_node = mem_cache.getData();
}
if (ref_node != null) {
ref_node.refresh(part);
if (model.clearLock(part)) {
model.setLock(part);
}
}
done(null);
}
}.getE();
}
return null;
}
}
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