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package org.eclipse.team.internal.ccvs.ui.actions;
/*
* (c) Copyright IBM Corp. 2000, 2002.
* All Rights Reserved.
*/
import java.lang.reflect.InvocationTargetException;
import org.eclipse.compare.CompareUI;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteFile;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.ILogEntry;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.ui.CVSCompareRevisionsInput;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ui.actions.TeamAction;
public class CompareWithRevisionAction extends CVSAction {
/**
* Returns the selected remote file
*/
protected ICVSRemoteFile getSelectedRemoteFile() {
IResource[] resources = getSelectedResources();
if (resources.length != 1) return null;
if (!(resources[0] instanceof IFile)) return null;
IFile file = (IFile)resources[0];
try {
return (ICVSRemoteFile)CVSWorkspaceRoot.getRemoteResourceFor(file);
} catch (TeamException e) {
handle(e, null, null);
return null;
}
}
public void execute(IAction action) {
// Setup holders
final ICVSRemoteFile[] file = new ICVSRemoteFile[] { null };
final ILogEntry[][] entries = new ILogEntry[][] { null };
// Get the selected file
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
file[0] = getSelectedRemoteFile();
}
}, Policy.bind("CompareWithRevisionAction.compare"), this.PROGRESS_BUSYCURSOR); //$NON-NLS-1$
if (file[0] == null) {
// No revisions for selected file
MessageDialog.openWarning(getShell(), Policy.bind("CompareWithRevisionAction.noRevisions"), Policy.bind("CompareWithRevisionAction.noRevisionsLong")); //$NON-NLS-1$ //$NON-NLS-2$
return;
}
// Fetch the log entries
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
try {
monitor.beginTask(Policy.bind("CompareWithRevisionAction.fetching"), 100); //$NON-NLS-1$
entries[0] = file[0].getLogEntries(Policy.subMonitorFor(monitor, 100));
monitor.done();
} catch (TeamException e) {
throw new InvocationTargetException(e);
}
}
}, Policy.bind("CompareWithRevisionAction.compare"), this.PROGRESS_DIALOG); //$NON-NLS-1$
if (entries[0] == null) return;
// Show the compare viewer
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
CompareUI.openCompareEditor(new CVSCompareRevisionsInput((IFile)getSelectedResources()[0], entries[0]));
}
}, Policy.bind("CompareWithRevisionAction.compare"), this.PROGRESS_BUSYCURSOR); //$NON-NLS-1$
}
/*
* @see TeamAction#isEnabled()
*/
protected boolean isEnabled() throws TeamException {
IResource[] resources = getSelectedResources();
if (resources.length != 1) return false;
ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resources[0]);
return cvsResource.isManaged();
}
/*
* @see CVSAction#needsToSaveDirtyEditors()
*/
protected boolean needsToSaveDirtyEditors() {
return false;
}
}
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