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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.team.internal.ccvs.ui.model;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.ui.*;
import org.eclipse.team.internal.ccvs.ui.mappings.ChangeSetCompareAdapter;
import org.eclipse.team.internal.ccvs.ui.repo.RepositoryRoot;
import org.eclipse.team.ui.history.IHistoryPageSource;
import org.eclipse.team.ui.mapping.ISynchronizationCompareAdapter;
import org.eclipse.team.ui.mapping.ITeamStateProvider;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.progress.IDeferredWorkbenchAdapter;
import org.eclipse.ui.views.properties.IPropertySource;
public class CVSAdapterFactory implements IAdapterFactory {
private static Object fileAdapter = new RemoteFileElement();
private static Object folderAdapter = new RemoteFolderElement();
private static Object rootAdapter = new CVSRepositoryRootElement();
private static Object historyParticipant = new CVSHistoryPageSource();
private static Object teamStateProvider;
// Property cache
private Object cachedPropertyObject = null;
private Object cachedPropertyValue = null;
private ChangeSetCompareAdapter compareAdapter;
/** (Non-javadoc)
* Method declared on IAdapterFactory.
*/
public Object getAdapter(Object adaptableObject, Class adapterType) {
if (IWorkbenchAdapter.class == adapterType) {
return getWorkbenchAdapter(adaptableObject);
}
if(IDeferredWorkbenchAdapter.class == adapterType) {
Object o = getWorkbenchAdapter(adaptableObject);
if(o != null && o instanceof IDeferredWorkbenchAdapter) {
return o;
}
return null;
}
if (IPropertySource.class == adapterType) {
return getPropertySource(adaptableObject);
}
if (IHistoryPageSource.class == adapterType){
return historyParticipant;
}
if (ITeamStateProvider.class == adapterType) {
synchronized (this) {
if (teamStateProvider == null)
teamStateProvider = new CVSTeamStateProvider(CVSProviderPlugin.getPlugin().getCVSWorkspaceSubscriber());
}
return teamStateProvider;
}
if (ISynchronizationCompareAdapter.class == adapterType) {
if (compareAdapter == null)
compareAdapter = new ChangeSetCompareAdapter();
return compareAdapter;
}
return null;
}
protected Object getWorkbenchAdapter(Object o) {
if (o instanceof ICVSRemoteFile) {
return fileAdapter;
} else if (o instanceof ICVSRepositoryLocation) {
return rootAdapter;
} else if (o instanceof RepositoryRoot) {
return rootAdapter;
} else if (o instanceof ICVSRemoteFolder) {
return folderAdapter;
}
return null;
}
/** (Non-javadoc)
* Method declared on IAdapterFactory.
*/
public Class[] getAdapterList() {
return new Class[] { IWorkbenchAdapter.class, IPropertySource.class,
IDeferredWorkbenchAdapter.class, IHistoryPageSource.class,
ISynchronizationCompareAdapter.class, ITeamStateProvider.class,
IFileRevision.class};
}
/**
* Returns the property source for the given object. Caches
* the result because the property sheet is extremely inefficient,
* it asks for the source seven times in a row.
*/
public Object getPropertySource(Object adaptableObject) {
if (adaptableObject == cachedPropertyObject) {
return cachedPropertyValue;
}
cachedPropertyObject = adaptableObject;
if (adaptableObject instanceof ICVSRemoteFile) {
cachedPropertyValue = new CVSRemoteFilePropertySource((ICVSRemoteFile)adaptableObject);
} else if (adaptableObject instanceof ICVSRemoteFolder) {
cachedPropertyValue = new CVSRemoteFolderPropertySource((ICVSRemoteFolder)adaptableObject);
} else if (adaptableObject instanceof ICVSRepositoryLocation) {
cachedPropertyValue = new CVSRepositoryLocationPropertySource((ICVSRepositoryLocation)adaptableObject);
} else if (adaptableObject instanceof RepositoryRoot) {
cachedPropertyValue = new CVSRepositoryLocationPropertySource(((RepositoryRoot)adaptableObject).getRoot());
} else {
cachedPropertyValue = null;
}
return cachedPropertyValue;
}
}
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