001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 2004-2005 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.jmx.mbeanwizard.listener;
043:
044: import java.awt.event.KeyEvent;
045: import java.awt.event.KeyListener;
046: import javax.swing.JTextField;
047: import org.netbeans.modules.jmx.WizardHelpers;
048:
049: /**
050: *
051: * @author an156382
052: */
053: public class AttributeTextFieldKeyListener implements KeyListener {
054:
055: /**
056: * Creates a new instance of AttributeTextFieldKeyListener
057: */
058: public AttributeTextFieldKeyListener() {
059: }
060:
061: public void keyPressed(KeyEvent e) {
062: }
063:
064: public void keyReleased(KeyEvent e) {
065: }
066:
067: public void keyTyped(KeyEvent e) {
068: JTextField nameField = ((JTextField) e.getSource());
069: String txt = nameField.getText();
070: int selectionStart = nameField.getSelectionStart();
071: int selectionEnd = nameField.getSelectionEnd();
072: char typedKey = e.getKeyChar();
073: boolean acceptedKey = false;
074: if (selectionStart == 0) {
075: acceptedKey = Character.isJavaIdentifierStart(typedKey);
076: } else {
077: acceptedKey = Character.isJavaIdentifierPart(typedKey);
078: }
079: if (acceptedKey) {
080: if ((typedKey != KeyEvent.VK_BACK_SPACE)
081: && (typedKey != KeyEvent.VK_DELETE)) {
082: txt = txt.substring(0, selectionStart) + typedKey
083: + txt.substring(selectionEnd);
084: } else if (typedKey == KeyEvent.VK_DELETE) {
085: txt = txt.substring(0, selectionStart)
086: + txt.substring(selectionEnd);
087: } else {
088: txt = txt.substring(0, selectionStart)
089: + txt.substring(selectionEnd);
090: }
091: } else {
092: nameField.getToolkit().beep();
093: }
094: txt = WizardHelpers.capitalizeFirstLetter(txt);
095: nameField.setText(txt);
096: if ((typedKey == KeyEvent.VK_BACK_SPACE)
097: || (typedKey == KeyEvent.VK_DELETE))
098: nameField.setCaretPosition(selectionStart);
099: else {
100: if (acceptedKey) {
101: nameField.setCaretPosition(selectionStart + 1);
102: } else {
103: nameField.setCaretPosition(selectionStart);
104: }
105: }
106:
107: e.consume();
108: }
109: }
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