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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.subscriber;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.subscribers.*;
import org.eclipse.team.core.subscribers.SyncInfo;
import org.eclipse.team.internal.ccvs.core.CVSSyncInfo;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteResource;
import org.eclipse.team.internal.ui.synchronize.views.SyncSetTreeContentProvider;
import org.eclipse.team.ui.synchronize.*;
/**
* Seeing change comments makes sense it two ways.
*/
public class ChangeLogContentProvider extends SyncSetTreeContentProvider {
private Map commentRoots = new HashMap();
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object element) {
IResource resource = getResource(element);
if(element instanceof SyncInfoSet){
// initialize case
return calculateRoots();
} else if(element instanceof ChangeLogDiffNode) {
return ((ChangeLogDiffNode)element).getChildren();
}
return new Object[0];
}
/**
* @return
*/
private Object[] calculateRoots() {
SyncInfoSet set = getSyncInfoSet();
SyncInfo[] infos = set.members();
commentRoots.clear();
for (int i = 0; i < infos.length; i++) {
String comment = getSyncInfoComment((CVSSyncInfo) infos[i]);
ChangeLogDiffNode changeRoot = (ChangeLogDiffNode) commentRoots.get(comment);
if (changeRoot == null) {
changeRoot = new ChangeLogDiffNode(comment);
commentRoots.put(comment, changeRoot);
}
changeRoot.add(new SyncInfoDiffNode(infos[i]));
}
return (ChangeLogDiffNode[]) commentRoots.values().toArray(new ChangeLogDiffNode[commentRoots.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ui.synchronize.views.SyncSetContentProvider#handleResourceAdditions(org.eclipse.team.ui.synchronize.ISyncInfoSetChangeEvent)
*/
protected void handleResourceAdditions(ISyncInfoSetChangeEvent event) {
AbstractTreeViewer tree = getTreeViewer();
if (tree != null) {
SyncInfo[] added = event.getAddedResources();
// TODO: Should group added roots by their parent
for (int i = 0; i < added.length; i++) {
SyncInfo info = added[i];
ChangeLogDiffNode parent = (ChangeLogDiffNode)commentRoots.get(info);
if(parent != null) {
SyncInfoDiffNode node = new SyncInfoDiffNode(info);
parent.add(node);
tree.add(parent, node);
}
}
} else {
super.handleResourceAdditions(event);
}
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ui.synchronize.views.SyncSetContentProvider#handleResourceRemovals(org.eclipse.team.ui.synchronize.ISyncInfoSetChangeEvent)
*/
protected void handleResourceRemovals(ISyncInfoSetChangeEvent event) {
AbstractTreeViewer tree = getTreeViewer();
if (tree != null) {
IResource[] roots = event.getRemovedResources();
if (roots.length == 0) return;
Object[] modelRoots = new Object[roots.length];
for (int i = 0; i < modelRoots.length; i++) {
modelRoots[i] = getModelObject(roots[i]);
}
tree.remove(modelRoots);
} else {
super.handleResourceRemovals(event);
}
}
private String getSyncInfoComment(CVSSyncInfo info) {
try {
ICVSRemoteResource remote = (ICVSRemoteResource)info.getRemote();
return remote.getComment();
} catch (TeamException e) {
return e.getMessage();
}
}
}
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