| /******************************************************************************* |
| * 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.ui.views.framelist; |
| |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ui.ISharedImages; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.views.framelist.FrameListMessages; |
| |
| /** |
| * Generic "Up" action which goes to the parent frame for the current frame. |
| */ |
| public class UpAction extends FrameAction { |
| |
| /** |
| * Constructs a new action for the specified frame list. |
| * |
| * @param frameList the frame list |
| */ |
| public UpAction(FrameList frameList) { |
| super(frameList); |
| setText(FrameListMessages.Up_text); |
| ISharedImages images = PlatformUI.getWorkbench().getSharedImages(); |
| setImageDescriptor(images.getImageDescriptor(ISharedImages.IMG_TOOL_UP)); |
| setDisabledImageDescriptor(images |
| .getImageDescriptor(ISharedImages.IMG_TOOL_UP_DISABLED)); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, |
| IFrameListHelpContextIds.UP_ACTION); |
| update(); |
| } |
| |
| Frame getParentFrame(int flags) { |
| return getFrameList().getSource().getFrame(IFrameSource.PARENT_FRAME, |
| flags); |
| } |
| |
| String getToolTipText(Frame parentFrame) { |
| if (parentFrame != null) { |
| String text = parentFrame.getToolTipText(); |
| if (text != null && text.length() > 0) { |
| return NLS.bind(FrameListMessages.Up_toolTipOneArg, text); |
| } |
| } |
| return FrameListMessages.Up_toolTip; |
| |
| } |
| |
| /** |
| * Calls <code>gotoFrame</code> on the frame list with a frame |
| * representing the parent of the current input. |
| */ |
| public void run() { |
| Frame parentFrame = getParentFrame(IFrameSource.FULL_CONTEXT); |
| if (parentFrame != null) { |
| getFrameList().gotoFrame(parentFrame); |
| } |
| } |
| |
| /** |
| * Updates this action's enabled state and tool tip text. |
| * This action is enabled only when there is a parent frame for the current |
| * frame in the frame list. |
| * The tool tip text is "Up to " plus the tool tip text for the parent |
| * frame. |
| */ |
| public void update() { |
| super.update(); |
| Frame parentFrame = getParentFrame(0); |
| setEnabled(parentFrame != null); |
| setToolTipText(getToolTipText(parentFrame)); |
| } |
| } |