examples/org.eclipse.team.examples.filesystem/src/org/eclipse/team/examples/filesystem/ui/ShowHistoryAction.java

package org.eclipse.team.examples.filesystem.ui;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.examples.filesystem.FileSystemPlugin;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.history.IHistoryView;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.actions.ActionDelegate;

public class ShowHistoryAction extends ActionDelegate implements IObjectActionDelegate {

	private IStructuredSelection fSelection;

	public void run(IAction action) {
		final Shell shell = Display.getDefault().getActiveShell();
		try {
			new ProgressMonitorDialog(shell).run(true, true, new IRunnableWithProgress() {
				public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
					final IResource resource = (IResource) fSelection.getFirstElement();
					Runnable r = new Runnable() {
						public void run() {
								IHistoryView view = TeamUI.getHistoryView();
								view.showHistoryFor(resource);
						}
					};

					FileSystemPlugin.getStandardDisplay().asyncExec(r);
				}
			});
		} catch (InvocationTargetException exception) {
		} catch (InterruptedException exception) {
		}
	}

	public void selectionChanged(IAction action, ISelection sel) {
		if (sel instanceof IStructuredSelection) {
			fSelection = (IStructuredSelection) sel;
		}
	}

	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
		
	}
}