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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 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.actions;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.listeners.LogEntry;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ccvs.ui.ICVSUIConstants;
import org.eclipse.team.internal.ccvs.ui.operations.ShowAnnotationOperation;
public class ShowAnnotationAction extends WorkspaceAction {
/**
* Action to open a CVS Annotate View
*/
public void execute(IAction action) throws InvocationTargetException, InterruptedException {
final ICVSResource resource= getSingleSelectedCVSResource();
if (resource == null)
return;
execute(resource);
}
/**
* Fetch the revision number of a CVS resource and perform a ShowAnnotationOperation
* in the background.
*
* @param cvsResource The CVS resource (must not be null)
*
* @throws InvocationTargetException
* @throws InterruptedException
*/
public void execute(final ICVSResource cvsResource) throws InvocationTargetException, InterruptedException {
final String revision= getRevision(cvsResource);
if (revision == null)
return;
boolean binary = isBinary(cvsResource);
if (binary) {
if (!MessageDialog.openQuestion(getShell(), CVSUIMessages.ShowAnnotationAction_2, NLS.bind(CVSUIMessages.ShowAnnotationAction_3, new String[] { cvsResource.getName() }))) { //$NON-NLS-1$ //$NON-NLS-2$
return;
}
}
new ShowAnnotationOperation(getTargetPart(), cvsResource, revision, binary).run();
}
private boolean isBinary(ICVSResource cvsResource) {
if (cvsResource.isFolder()) return false;
try {
byte[] syncBytes = ((ICVSFile)cvsResource).getSyncBytes();
if (syncBytes == null)
return false;
return ResourceSyncInfo.isBinary(syncBytes);
} catch (CVSException e) {
return false;
}
}
/**
* Ony enabled for single resource selection
*/
protected boolean isEnabled() throws TeamException {
ICVSResource resource = getSingleSelectedCVSResource();
return (resource != null && ! resource.isFolder() && resource.isManaged());
}
/**
* This action is called from one of a Resource Navigator a CVS Resource
* Navigator or a History Log Viewer. Return the selected resource as an
* ICVSResource
*
* @return ICVSResource
*/
private ICVSResource getSingleSelectedCVSResource() {
// Selected from a CVS Resource Navigator
final ICVSResource[] cvsResources = getSelectedCVSResources();
if (cvsResources.length == 1) {
return cvsResources[0];
}
// Selected from a History Viewer
final Object[] logEntries = getSelectedResources(LogEntry.class);
if (logEntries.length == 1) {
final LogEntry aLogEntry = (LogEntry) logEntries[0];
final ICVSRemoteFile cvsRemoteFile = aLogEntry.getRemoteFile();
return cvsRemoteFile;
}
// Selected from a Resource Navigator
final IResource[] resources = getSelectedResources();
if (resources.length == 1) {
return CVSWorkspaceRoot.getCVSResourceFor(resources[0]);
}
return null;
}
/**
* Get the revision for the CVS resource. Throws an InvocationTargetException
* if the revision could not be determined.
*
* @param cvsResource The CVS resource
* @return The revision of the resource.
* @throws InvocationTargetException
*/
private String getRevision(ICVSResource cvsResource) throws InvocationTargetException {
final ResourceSyncInfo info;
try {
info= cvsResource.getSyncInfo();
if (info == null)
throw new CVSException(NLS.bind(CVSUIMessages.ShowAnnotationAction_noSyncInfo, new String[] { cvsResource.getName() })); //$NON-NLS-1$
} catch (CVSException e) {
throw new InvocationTargetException(e);
}
return info.getRevision();
}
public String getId() {
return ICVSUIConstants.CMD_ANNOTATE;
}
}
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