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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.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.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.ui.HistoryView;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ui.actions.TeamAction;
public class ShowResourceInHistoryAction extends TeamAction {
/*
* @see IActionDelegate#run(IAction)
*/
public void run(IAction action) {
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
IResource[] resources = getSelectedResources();
if (resources.length != 1) return;
HistoryView view = HistoryView.openInActivePerspective();
if (view != null) {
view.showHistory(resources[0]);
}
}
}, Policy.bind("ShowHistoryAction.showHistory"), this.PROGRESS_BUSYCURSOR); //$NON-NLS-1$
}
/*
* @see TeamAction#isEnabled()
*/
protected boolean isEnabled() throws TeamException {
// Show Resource In History is enabled for resources which have been committed.
IResource[] resources = getSelectedResources();
if (resources.length != 1) return false;
IResource resource = resources[0];
if (!(resource instanceof IFile)) return false;
ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
if (!cvsResource.isManaged()) return false;
if (cvsResource.getSyncInfo().isAdded()) return false;
return true;
}
/** (Non-javadoc)
* Method declared on IActionDelegate.
*/
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection) {
this.selection = (IStructuredSelection) selection;
//this action can be invoked by double-click, in which case
//there is no target action
if (action != null) {
try {
action.setEnabled(isEnabled());
} catch (TeamException e) {
action.setEnabled(false);
handle(e, null, null);
}
}
}
}
}
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