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/*******************************************************************************
* Copyright (c) 2006, 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.ui.actions;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.internal.ui.history.AbstractHistoryCategory;
import org.eclipse.team.ui.history.HistoryPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
import org.eclipse.ui.progress.IProgressService;
public class OpenRevisionAction extends BaseSelectionListenerAction {
private IStructuredSelection selection;
private HistoryPage page;
public OpenRevisionAction(String text, HistoryPage page) {
super(text);
this.page = page;
}
@Override
public void run() {
IStructuredSelection structSel = selection;
if (structSel == null)
return;
Object[] objArray = structSel.toArray();
for (int i = 0; i < objArray.length; i++) {
Object tempRevision = objArray[i];
//If not a revision, don't try opening
if (tempRevision instanceof AbstractHistoryCategory)
continue;
final IFileRevision revision = (IFileRevision) tempRevision;
if (revision == null || !revision.exists()) {
MessageDialog.openError(page.getSite().getShell(), TeamUIMessages.OpenRevisionAction_DeletedRevTitle, TeamUIMessages.OpenRevisionAction_DeletedRevMessage);
} else {
IRunnableWithProgress runnable = new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
Utils.openEditor(page.getSite().getPage(), revision, monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
};
IProgressService progressService = PlatformUI.getWorkbench().getProgressService();
try {
progressService.run(false, false, runnable);
} catch (InvocationTargetException e) {
Utils.handleError(page.getSite().getShell(), e, TeamUIMessages.OpenRevisionAction_ErrorTitle, TeamUIMessages.OpenRevisionAction_ErrorMessage);
} catch (InterruptedException e) {
}
}
}
}
@Override
protected boolean updateSelection(IStructuredSelection selection) {
this.selection = selection;
return shouldShow();
}
private boolean shouldShow() {
IStructuredSelection structSel = selection;
Object[] objArray = structSel.toArray();
if (objArray.length == 0)
return false;
for (int i = 0; i < objArray.length; i++) {
//Don't bother showing if this a category
if (objArray[i] instanceof AbstractHistoryCategory)
return false;
IFileRevision revision = (IFileRevision) objArray[i];
//check to see if any of the selected revisions are deleted revisions
if (revision != null && !revision.exists())
return false;
}
return true;
}
}
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