| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.texteditor; |
| |
| |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.text.IMarkRegionTarget; |
| |
| /** |
| * An action to handle emacs-like marked regions. |
| * |
| * @since 2.0 |
| */ |
| public class MarkAction extends TextEditorAction { |
| |
| /** Sets the mark. */ |
| public static final int SET_MARK= 0; |
| /** Clears the mark. */ |
| public static final int CLEAR_MARK= 1; |
| /** Swaps the mark and the cursor position. */ |
| public static final int SWAP_MARK= 2; |
| |
| /** The mark action type. */ |
| private final int fType; |
| |
| /** |
| * Constructor for MarkAction. |
| * |
| * @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 type the mark action type, must be one of |
| * <code>SET_MARK</code>, <code>CLEAR_MARK</code> or <code>SWAP_MARK</code>. |
| */ |
| public MarkAction(ResourceBundle bundle, String prefix, ITextEditor editor, int type) { |
| super(bundle, prefix, editor); |
| fType= type; |
| } |
| |
| @Override |
| public void run() { |
| |
| ITextEditor editor= getTextEditor(); |
| if (editor == null) |
| return; |
| |
| IMarkRegionTarget target= editor.getAdapter(IMarkRegionTarget.class); |
| if (target == null) |
| return; |
| |
| switch (fType) { |
| case SET_MARK: |
| target.setMarkAtCursor(true); |
| break; |
| |
| case CLEAR_MARK: |
| target.setMarkAtCursor(false); |
| break; |
| |
| case SWAP_MARK: |
| target.swapMarkAndCursor(); |
| break; |
| } |
| } |
| } |