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 }