/*******************************************************************************
* Copyright (c) 2000, 2008 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.wst.jsdt.internal.ui.typehierarchy;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.internal.corext.util.Messages;
import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.wst.jsdt.internal.ui.viewsupport.JavaElementImageProvider;
import org.eclipse.wst.jsdt.ui.JavaScriptElementLabels;
/**
* Action used for the type hierarchy forward / backward buttons
*/
public class HistoryAction extends Action {
private TypeHierarchyViewPart fViewPart;
private IJavaScriptElement fElement;
public HistoryAction(TypeHierarchyViewPart viewPart, IJavaScriptElement element) {
super("", AS_RADIO_BUTTON); //$NON-NLS-1$
fViewPart= viewPart;
fElement= element;
String elementName= JavaScriptElementLabels.getElementLabel(element, JavaScriptElementLabels.ALL_POST_QUALIFIED | JavaScriptElementLabels.ALL_DEFAULT);
setText(elementName);
setImageDescriptor(getImageDescriptor(element));
setDescription(Messages.format(TypeHierarchyMessages.HistoryAction_description, elementName));
setToolTipText(Messages.format(TypeHierarchyMessages.HistoryAction_tooltip, elementName));
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.HISTORY_ACTION);
}
private ImageDescriptor getImageDescriptor(IJavaScriptElement elem) {
JavaElementImageProvider imageProvider= new JavaElementImageProvider();
ImageDescriptor desc= imageProvider.getBaseImageDescriptor(elem, 0);
imageProvider.dispose();
return desc;
}
/*
* @see Action#run()
*/
public void run() {
fViewPart.gotoHistoryEntry(fElement);
}
}