| /******************************************************************************* |
| * Copyright (c) 2015 Andrey Loskutov and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Andrey Loskutov <loskutov@gmx.de> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.texteditor; |
| |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.action.IAction; |
| |
| |
| /** |
| * This action toggles the word wrap in the editor. |
| * |
| * @since 3.10 |
| */ |
| final class WordWrapToggleAction extends TextEditorAction { |
| |
| /** |
| * Construct the action and initialize its state. |
| * |
| * @param resourceBundle the resource bundle to construct label and tooltip from |
| * @param prefix the prefix to use for constructing resource bundle keys |
| * @param editor the editor this action is associated with |
| * @param checked initial toggle state |
| */ |
| public WordWrapToggleAction(ResourceBundle resourceBundle, String prefix, ITextEditor editor, boolean checked) { |
| super(resourceBundle, prefix, editor, IAction.AS_CHECK_BOX); |
| update(checked); |
| } |
| |
| @Override |
| public void run() { |
| boolean newState = false; |
| if (isWordWrapPossible()) { |
| ITextEditorExtension6 ext6= (ITextEditorExtension6) getTextEditor(); |
| newState= !ext6.isWordWrapEnabled(); |
| ext6.setWordWrap(newState); |
| } |
| update(newState); |
| } |
| |
| private void update(boolean checked) { |
| setEnabled(isWordWrapPossible()); |
| setChecked(checked); |
| } |
| |
| @Override |
| public void update() { |
| setEnabled(isWordWrapPossible()); |
| setChecked(isWordWrapEnabled()); |
| } |
| |
| private boolean isWordWrapPossible(){ |
| return getTextEditor() instanceof ITextEditorExtension6; |
| } |
| |
| private boolean isWordWrapEnabled(){ |
| if (isWordWrapPossible()) { |
| return ((ITextEditorExtension6)getTextEditor()).isWordWrapEnabled(); |
| } |
| return false; |
| } |
| } |