/*******************************************************************************
* Copyright (c) 2000, 2005 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.gef.ui.actions;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.gef.commands.Command;
/**
* Superclass for actions needing access to the stack.
*/
public abstract class StackAction
extends WorkbenchPartAction
{
/**
* Creates a <code>StackAction</code> and associates it with the
* given editor.
*
* @param editor The editor this action is associated with.
*/
public StackAction(IWorkbenchPart editor) {
super(editor);
}
/**
* Returns the label for the given command. Guarantees that <code>null</code> is never
* returned.
* @param command the command
* @return a non-<code>null</code> String
*/
protected String getLabelForCommand(Command command) {
if (command == null)
return "";//$NON-NLS-1$
if (command.getLabel() == null)
return "";//$NON-NLS-1$
else
return command.getLabel();
}
}