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/*******************************************************************************
* Copyright (c) 2008 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.model;
import java.util.HashMap;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IExpressionManager;
import org.eclipse.debug.core.IExpressionsListener;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.tcf.services.IExpressions;
public class TCFChildrenExpressions extends TCFChildren {
private final TCFNodeStackFrame node;
private final IExpressionManager exp_manager;
private final IExpressionsListener listener = new IExpressionsListener() {
int generation;
public void expressionsAdded(IExpression[] expressions) {
expressionsRemoved(expressions);
}
public void expressionsChanged(IExpression[] expressions) {
expressionsRemoved(expressions);
}
public void expressionsRemoved(IExpression[] expressions) {
final int g = ++generation;
Protocol.invokeLater(new Runnable() {
public void run() {
reset();
if (g != generation) return;
node.addModelDelta(IModelDelta.CONTENT);
}
});
}
};
TCFChildrenExpressions(TCFNodeStackFrame node) {
super(node.channel, 128);
this.node = node;
exp_manager = DebugPlugin.getDefault().getExpressionManager();
exp_manager.addExpressionListener(listener);
}
@Override
public void dispose() {
exp_manager.removeExpressionListener(listener);
super.dispose();
}
void onSuspended() {
for (TCFNode n : getNodes()) ((TCFNodeExpression)n).onSuspended();
}
private TCFNodeExpression findScript(String text) {
for (TCFNode n : getNodes()) {
TCFNodeExpression e = (TCFNodeExpression)n;
if (text.equals(e.getScript())) return e;
}
return null;
}
@Override
protected boolean startDataRetrieval() {
IExpressions exps = node.model.getLaunch().getService(IExpressions.class);
if (exps == null) {
set(null, null, new HashMap<String,TCFNode>());
return true;
}
HashMap<String,TCFNode> data = new HashMap<String,TCFNode>();
int cnt = 0;
for (final IExpression e : exp_manager.getExpressions()) {
String text = e.getExpressionText();
TCFNodeExpression n = findScript(text);
if (n == null) add(n = new TCFNodeExpression(node, text, null, null, -1, false));
n.setSortPosition(cnt++);
data.put(n.id, n);
}
set(null, null, data);
return true;
}
}
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