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/*******************************************************************************
* Copyright (c) 2011, 2012 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.tcf.internal.debug.ui.commands;
import org.eclipse.debug.core.IExpressionManager;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.tcf.internal.debug.ui.Activator;
import org.eclipse.tcf.internal.debug.ui.model.IWatchInExpressions;
import org.eclipse.tcf.internal.debug.ui.model.TCFNode;
import org.eclipse.tcf.internal.debug.ui.model.TCFNodeExecContext;
import org.eclipse.tcf.internal.debug.ui.model.TCFNodeExpression;
import org.eclipse.tcf.internal.debug.ui.model.TCFNodeStackFrame;
import org.eclipse.tcf.util.TCFDataCache;
import org.eclipse.tcf.util.TCFTask;
import org.eclipse.ui.IWorkbenchPage;
public class WatchInExpressionsCommand extends AbstractActionDelegate {
@Override
protected void selectionChanged() {
setEnabled(getNodes().length > 0);
}
@Override
protected void run() {
try {
IWorkbenchPage page = getWindow().getActivePage();
page.showView(IDebugUIConstants.ID_EXPRESSION_VIEW, null, IWorkbenchPage.VIEW_ACTIVATE);
for (final TCFNode node : getNodes()) {
final IExpressionManager manager = node.getModel().getExpressionManager();
IExpression e = new TCFTask<IExpression>(node.getChannel()) {
public void run() {
try {
IExpression e = null;
if (node instanceof IWatchInExpressions) {
TCFDataCache<String> text_cache = ((IWatchInExpressions)node).getExpressionText();
if (!text_cache.validate(this)) return;
String text_data = text_cache.getData();
if (text_data != null) {
for (final IExpression x : manager.getExpressions()) {
if (text_data.equals(x.getExpressionText())) {
done(null);
return;
}
}
e = manager.newWatchExpression(text_data);
}
}
done(e);
}
catch (Exception x) {
error(x);
}
}
}.get();
if (e != null) manager.addExpression(e);
}
}
catch (Exception x) {
Activator.log("Cannot open expressions view", x);
}
}
private TCFNode[] getNodes() {
TCFNode[] arr = getSelectedNodes();
for (TCFNode n : arr) {
if (n instanceof TCFNodeExpression) {
if (((TCFNodeExpression)n).isEmpty()) return new TCFNode[0];
if (IDebugUIConstants.ID_EXPRESSION_VIEW.equals(getPart().getSite().getId()) &&
(n.getParent() instanceof TCFNodeExecContext || n.getParent() instanceof TCFNodeStackFrame))
return new TCFNode[0];
}
if (n instanceof IWatchInExpressions) continue;
return new TCFNode[0];
}
return arr;
}
}
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