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/*******************************************************************************
* Copyright (c) 2005, 2012 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
* Samrat Dhillon samrat.dhillon@gmail.com - Bug 369012 - [expr] Modifying a variable value using cell editor is not reflected in view.
*******************************************************************************/
package org.eclipse.debug.internal.ui.viewers.update;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
/**
* Event handler for an expression.
*
* @since 3.2
*
*/
public class ExpressionEventHandler extends DebugEventHandler {
public ExpressionEventHandler(AbstractModelProxy proxy) {
super(proxy);
}
protected boolean handlesEvent(DebugEvent event) {
return event.getKind() == DebugEvent.CHANGE;
}
protected void handleChange(DebugEvent event) {
ModelDelta delta = new ModelDelta(DebugPlugin.getDefault().getExpressionManager(), IModelDelta.NO_CHANGE);
IExpression expression = null;
if (event.getSource() instanceof IExpression) {
expression = (IExpression) event.getSource();
int flags = IModelDelta.NO_CHANGE;
if ((event.getDetail() & DebugEvent.STATE) != 0) {
flags = flags | IModelDelta.STATE;
}
if ((event.getDetail() & DebugEvent.CONTENT) != 0) {
flags = flags | IModelDelta.CONTENT;
}
delta.addNode(expression, flags);
fireDelta(delta);
}
if (event.getSource() instanceof IVariable) {
IVariable variable = (IVariable) event.getSource();
int flags = IModelDelta.NO_CHANGE;
if (event.getDetail()==DebugEvent.CONTENT) {
flags = flags | IModelDelta.CONTENT;
}
delta.addNode(variable, flags);
fireDelta(delta);
}
}
protected void refreshRoot(DebugEvent event) {
ModelDelta delta = new ModelDelta(DebugPlugin.getDefault().getExpressionManager(), IModelDelta.CONTENT);
fireDelta(delta);
}
}
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