| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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.internal.navigator.framelist; |
| |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ui.ISharedImages; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Generic "Forward" action which goes forward one frame. |
| * @since 3.4 |
| */ |
| public class ForwardAction extends FrameAction { |
| |
| private static final String ID = "org.eclipse.ui.framelist.forward"; //$NON-NLS-1$ |
| |
| /** |
| * Constructs a new action for the specified frame list. |
| * |
| * @param frameList the frame list |
| */ |
| public ForwardAction(FrameList frameList) { |
| super(frameList); |
| setId(ID); |
| setText(FrameListMessages.Forward_text); |
| ISharedImages images = PlatformUI.getWorkbench().getSharedImages(); |
| setImageDescriptor(images |
| .getImageDescriptor(ISharedImages.IMG_TOOL_FORWARD)); |
| setDisabledImageDescriptor(images |
| .getImageDescriptor(ISharedImages.IMG_TOOL_FORWARD_DISABLED)); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, |
| IFrameListHelpContextIds.FORWARD_ACTION); |
| update(); |
| } |
| |
| private Frame getNextFrame() { |
| FrameList list = getFrameList(); |
| return list.getFrame(list.getCurrentIndex() + 1); |
| } |
| |
| private String getToolTipText(Frame nextFrame) { |
| if (nextFrame != null) { |
| String text = nextFrame.getToolTipText(); |
| if (text != null && text.length() > 0) { |
| return NLS.bind(FrameListMessages.Forward_toolTipOneArg, text); |
| } |
| } |
| return FrameListMessages.Forward_toolTip; |
| } |
| |
| /** |
| * Calls <code>forward()</code> on the frame list. |
| */ |
| @Override |
| public void run() { |
| getFrameList().forward(); |
| } |
| |
| /** |
| * Updates this action's enabled state and tool tip text. |
| * This action is enabled only when there is a next frame in the frame list. |
| * The tool tip text is "Forward to " plus the tool tip text for the next |
| * frame. |
| */ |
| @Override |
| public void update() { |
| super.update(); |
| Frame nextFrame = getNextFrame(); |
| setEnabled(nextFrame != null); |
| setToolTipText(getToolTipText(nextFrame)); |
| } |
| |
| } |