/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** 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.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.actions;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.undo.UndoStack;
/**
* Undo the last operation if possible.
*
* @author bpasero
*/
public class UndoAction extends Action {
/** ID of this Action */
public static final String ID = "org.rssowl.ui.UndoAction"; //$NON-NLS-1$
/** Set ID for Key Binding Support */
public UndoAction() {
setId(ID);
setActionDefinitionId(ID);
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
UndoStack.getInstance().undo();
}
/*
* @see org.eclipse.jface.action.Action#isEnabled()
*/
@Override
public boolean isEnabled() {
return UndoStack.getInstance().isUndoSupported();
}
/*
* @see org.eclipse.jface.action.Action#getText()
*/
@Override
public String getText() {
return UndoStack.getInstance().getUndoName();
}
/*
* @see org.eclipse.jface.action.Action#getImageDescriptor()
*/
@Override
public ImageDescriptor getImageDescriptor() {
return OwlUI.getImageDescriptor("icons/elcl16/undo_edit.gif"); //$NON-NLS-1$
}
/*
* @see org.eclipse.jface.action.Action#getDisabledImageDescriptor()
*/
@Override
public ImageDescriptor getDisabledImageDescriptor() {
return OwlUI.getImageDescriptor("icons/dlcl16/undo_edit.gif"); //$NON-NLS-1$
}
}