| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.texteditor; |
| |
| |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.text.IFindReplaceTarget; |
| import org.eclipse.jface.text.IFindReplaceTargetExtension; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| |
| /** |
| * An action which enters the incremental find mode a la emacs. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * @since 2.0 |
| */ |
| public class IncrementalFindAction extends ResourceAction implements IUpdate { |
| |
| /** The action's target */ |
| private IFindReplaceTarget fTarget; |
| /** The part the action is bound to */ |
| private IWorkbenchPart fWorkbenchPart; |
| /** The workbench window */ |
| private IWorkbenchWindow fWorkbenchWindow; |
| /** |
| * The direction to run the incremental find |
| * @since 2.1 |
| */ |
| private boolean fForward; |
| |
| /** |
| * Creates a new incremental find action for the given workbench part. |
| * The action configures its visual representation from the given |
| * resource bundle. |
| * |
| * @param bundle the resource bundle |
| * @param prefix a prefix to be prepended to the various resource keys |
| * (described in <code>ResourceAction</code> constructor), or |
| * <code>null</code> if none |
| * @param workbenchPart the workbench part |
| * @param forward <code>true</code> if the search direction is forward |
| * @see ResourceAction#ResourceAction |
| * @since 2.1 |
| */ |
| public IncrementalFindAction(ResourceBundle bundle, String prefix, IWorkbenchPart workbenchPart, boolean forward) { |
| super(bundle, prefix); |
| fWorkbenchPart= workbenchPart; |
| fForward= forward; |
| update(); |
| } |
| |
| /** |
| * Creates a new incremental find action for the given workbench window. |
| * The action configures its visual representation from the given |
| * resource bundle. |
| * |
| * @param bundle the resource bundle |
| * @param prefix a prefix to be prepended to the various resource keys |
| * (described in <code>ResourceAction</code> constructor), or |
| * <code>null</code> if none |
| * @param workbenchWindow the workbench window |
| * @param forward <code>true</code> if the search direction is forward |
| * @see ResourceAction#ResourceAction |
| * |
| * @deprecated use FindReplaceAction(ResourceBundle, String, IWorkbenchPart, boolean) instead |
| * @since 2.1 |
| */ |
| public IncrementalFindAction(ResourceBundle bundle, String prefix, IWorkbenchWindow workbenchWindow, boolean forward) { |
| super(bundle, prefix); |
| fWorkbenchWindow= workbenchWindow; |
| fForward= forward; |
| update(); |
| } |
| |
| /* |
| * @see IAction#run() |
| */ |
| public void run() { |
| |
| if (fTarget == null) |
| return; |
| |
| if (fTarget instanceof IncrementalFindTarget) |
| ((IncrementalFindTarget) fTarget).setDirection(fForward); |
| |
| if (fTarget instanceof IFindReplaceTargetExtension) |
| ((IFindReplaceTargetExtension) fTarget).beginSession(); |
| } |
| |
| /* |
| * @see IUpdate#update() |
| */ |
| public void update() { |
| |
| if (fWorkbenchPart == null && fWorkbenchWindow != null) |
| fWorkbenchPart= fWorkbenchWindow.getPartService().getActivePart(); |
| |
| if (fWorkbenchPart != null) |
| fTarget= (IFindReplaceTarget) fWorkbenchPart.getAdapter(IncrementalFindTarget.class); |
| else |
| fTarget= null; |
| |
| setEnabled(fTarget != null && fTarget.canPerformFind()); |
| } |
| |
| } |