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/*******************************************************************************
* Copyright (c) 2000, 2007 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
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.launch;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IThread;
/**
* Manages source selections and decorated editors for launch views.
*/
public class DecorationManager {
// map of targets to lists of active decorations
private static Map fDecorations = new HashMap(10);
/**
* Adds the given decoration for the given stack frame.
*
* @param decoration
* @param frame
*/
public static void addDecoration(Decoration decoration) {
synchronized (fDecorations) {
IDebugTarget target = decoration.getThread().getDebugTarget();
List list = (List) fDecorations.get(target);
if (list == null) {
list = new ArrayList();
fDecorations.put(target, list);
}
list.add(decoration);
}
}
/**
* Removes any decorations for the given debug target.
*
* @param target
* to remove editor decorations for
*/
public static void removeDecorations(IDebugTarget target) {
doRemoveDecorations(target, null);
}
/**
* Removes any decorations for the given thread
*
* @param thread
* thread to remove decorations for
*/
public static void removeDecorations(IThread thread) {
doRemoveDecorations(thread.getDebugTarget(), thread);
}
private static void doRemoveDecorations(IDebugTarget target, IThread thread) {
ArrayList decorationsToRemove = new ArrayList();
synchronized (fDecorations) {
List list = (List) fDecorations.get(target);
if (list != null) {
ListIterator iterator = list.listIterator();
while (iterator.hasNext()) {
Decoration decoration = (Decoration) iterator.next();
if (thread == null || thread.equals(decoration.getThread())) {
decorationsToRemove.add(decoration);
iterator.remove();
}
}
if (list.isEmpty()) {
fDecorations.remove(target);
}
}
}
Iterator iter = decorationsToRemove.iterator();
while (iter.hasNext())
{
Decoration decoration = (Decoration)iter.next();
decoration.remove();
}
}
}
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