001 /*
002 * $Id: TextContextMenuSource.java,v 1.5 2006/05/14 08:19:45 dmouse Exp $
003 *
004 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
005 * Santa Clara, California 95054, U.S.A. All rights reserved.
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
020 */
021 package org.jdesktop.swingx.plaf;
022
023 import java.util.Map;
024
025 import javax.swing.ActionMap;
026 import javax.swing.JComponent;
027 import javax.swing.JPasswordField;
028 import javax.swing.text.DefaultEditorKit;
029 import javax.swing.text.JTextComponent;
030
031 /**
032 * @author Jeanette Winzenburg
033 */
034 public class TextContextMenuSource extends ContextMenuSource{
035
036 String UNDO = "Undo";
037 String CUT = "Cut";
038 String COPY = "Copy";
039 String PASTE = "Paste";
040 String DELETE = "Delete";
041 String SELECT_ALL = "Select All";
042
043 String[] keys = { DefaultEditorKit.cutAction, DefaultEditorKit.copyAction,
044 DefaultEditorKit.pasteAction, DefaultEditorKit.deleteNextCharAction,
045 null, // separator
046 DefaultEditorKit.selectAllAction };
047
048 String[] defaultValues = { CUT, COPY, PASTE, DELETE, null, SELECT_ALL,
049 };
050
051 public String[] getKeys() {
052 return keys;
053 }
054
055 public void updateActionEnabled(JComponent component, ActionMap map) {
056 if (!(component instanceof JTextComponent)) return;
057 JTextComponent textComponent = (JTextComponent) component;
058 boolean selectedText = textComponent.getSelectionEnd()
059 - textComponent.getSelectionStart() > 0;
060 boolean containsText = textComponent.getDocument().getLength() > 0;
061 boolean editable = textComponent.isEditable();
062 boolean copyProtected = (textComponent instanceof JPasswordField);
063 boolean dataOnClipboard = textComponent.getToolkit()
064 .getSystemClipboard().getContents(null) != null;
065 map.get(DefaultEditorKit.cutAction).setEnabled(
066 !copyProtected && editable && selectedText);
067 map.get(DefaultEditorKit.copyAction).setEnabled(
068 !copyProtected && selectedText);
069 map.get(DefaultEditorKit.pasteAction).setEnabled(
070 editable && dataOnClipboard);
071 map.get(DefaultEditorKit.deleteNextCharAction).setEnabled(
072 editable && selectedText);
073 map.get(DefaultEditorKit.selectAllAction).setEnabled(containsText);
074
075 }
076
077
078 protected void initNames(Map<String, String> names) {
079 for (int i = 0; i < keys.length; i++) {
080 if (keys[i] != null) {
081 names.put(keys[i], getValue(keys[i], defaultValues[i]));
082 }
083 }
084 }
085
086
087 /**
088 * @return resource prefix
089 */
090 protected String getResourcePrefix() {
091 return "DefaultEditorKit.";
092 }
093
094 }