| /******************************************************************************* |
| * 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.ui.texteditor; |
| |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.text.source.IAnnotationModel; |
| |
| /** |
| * Action for jumping to a particular annotation in the editor's text viewer. |
| * <p> |
| * This action only runs if <code>getTextEditor()</code> |
| * implements {@link org.eclipse.ui.texteditor.ITextEditorExtension4}.</p> |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.2 |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class GotoAnnotationAction extends TextEditorAction { |
| |
| /** |
| * The navigation direction. |
| * <code>true</code> to go to next and <code>false</code> to go to previous annotation. |
| */ |
| private boolean fForward; |
| |
| /** |
| * Creates a new action for the given text editor. 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 editor the text editor |
| * @param forward <code>true</code> to go to next and <code>false</code> to go to previous annotation |
| * @see TextEditorAction#TextEditorAction(ResourceBundle, String, ITextEditor) |
| */ |
| public GotoAnnotationAction(ResourceBundle bundle, String prefix, ITextEditor editor, boolean forward) { |
| super(bundle, prefix, editor); |
| fForward= forward; |
| setHelpContextId(fForward ? IAbstractTextEditorHelpContextIds.GOTO_NEXT_ANNOTATION_ACTION : IAbstractTextEditorHelpContextIds.GOTO_PREVIOUS_ANNOTATION_ACTION); |
| } |
| |
| /** |
| * Creates a new action for the given text editor. The action configures its |
| * visual representation from the given resource bundle. |
| * |
| * @param editor the text editor |
| * @param forward <code>true</code> to go to next and <code>false</code> to go to previous annotation |
| * @see TextEditorAction#TextEditorAction(ResourceBundle, String, ITextEditor) |
| */ |
| public GotoAnnotationAction(ITextEditor editor, boolean forward) { |
| this(EditorMessages.getBundleForConstructedKeys(), forward ? "Editor.GotoNextAnnotation." : "Editor.GotoPreviousAnnotation.", editor, forward); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| /* |
| * @see org.eclipse.jface.action.IAction#run() |
| * @since 3.2 |
| */ |
| public void run() { |
| ITextEditor editor= getTextEditor(); |
| if (editor instanceof ITextEditorExtension4) |
| ((ITextEditorExtension4)editor).gotoAnnotation(fForward); |
| } |
| |
| /* |
| * @see org.eclipse.ui.texteditor.TextEditorAction#setEditor(org.eclipse.ui.texteditor.ITextEditor) |
| * @since 3.2 |
| */ |
| public void setEditor(ITextEditor editor) { |
| super.setEditor(editor); |
| update(); |
| } |
| |
| /* |
| * @see org.eclipse.ui.texteditor.IUpdate#update() |
| * @since 3.2 |
| */ |
| public void update() { |
| ITextEditor editor= getTextEditor(); |
| if (!(editor instanceof AbstractTextEditor)) { |
| setEnabled(false); |
| return; |
| } |
| |
| IAnnotationModel model= editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput()); |
| setEnabled(model != null); |
| } |
| } |