/*******************************************************************************
 * 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.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.ui.*;
import org.eclipse.team.internal.ccvs.ui.HistoryView;
import org.eclipse.team.internal.ccvs.ui.Policy;

public class ShowResourceInHistoryAction extends WorkspaceAction {
	/*
	 * @see IActionDelegate#run(IAction)
	 */
	public void execute(IAction action) throws InterruptedException, InvocationTargetException {
		run(new IRunnableWithProgress() {
			public void run(IProgressMonitor monitor) throws InvocationTargetException {
				IResource[] resources = getSelectedResources();
				if (resources.length != 1) return;
				HistoryView view = (HistoryView)showView(HistoryView.VIEW_ID);
				if (view != null) {
					view.showHistory(resources[0], true /* fetch */);
				}
			}
		}, false /* cancelable */, PROGRESS_BUSYCURSOR);
	}

	/**
	 * @see org.eclipse.team.internal.ccvs.ui.actions.CVSAction#getErrorTitle()
	 */
	protected String getErrorTitle() {
		return Policy.bind("ShowHistoryAction.showHistory"); //$NON-NLS-1$
	}

	/**
	 * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForMultipleResources()
	 */
	protected boolean isEnabledForMultipleResources() {
		return false;
	}

	/**
	 * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForAddedResources()
	 */
	protected boolean isEnabledForAddedResources() {
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForNonExistantResources()
	 */
	protected boolean isEnabledForNonExistantResources() {
		return true;
	}
	
	/**
	 * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForCVSResource(org.eclipse.team.internal.ccvs.core.ICVSResource)
	 */
	protected boolean isEnabledForCVSResource(ICVSResource cvsResource) throws CVSException {
		return (!cvsResource.isFolder() && super.isEnabledForCVSResource(cvsResource));
	}

	/* (non-Javadoc)
	 * @see org.eclipse.team.internal.ccvs.ui.actions.CVSAction#getId()
	 */
	public String getId() {
		return ICVSUIConstants.CMD_HISTORY;
	}	
}