/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/gui/NumericTextField.java
Java | 59 lines | 28 code | 5 blank | 26 comment | 6 complexity | 8fed3182380f873f711e319a7104dec0 MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * NumericTextField.java - A TextField that accepts only numeric values
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 2008 Matthieu Casanova
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- package org.gjt.sp.jedit.gui;
- import javax.swing.*;
- import java.awt.event.KeyEvent;
- /**
- * @author Matthieu Casanova
- * @version $Id: KeyEventWorkaround.java 12889 2008-06-23 20:14:00Z kpouer $
- * @since jEdit 4.3pre15
- */
- public class NumericTextField extends JTextField
- {
- private final boolean positiveOnly;
- public NumericTextField(String text)
- {
- this(text, false);
- }
- public NumericTextField(String text, boolean positiveOnly)
- {
- super(text);
- this.positiveOnly = positiveOnly;
- }
- @Override
- protected void processKeyEvent(KeyEvent e)
- {
- if (e.getID() == KeyEvent.KEY_TYPED)
- {
- if (!Character.isDigit(e.getKeyChar()) && !(!positiveOnly && e.getKeyChar() == '-'))
- {
- e.consume();
- }
- }
- super.processKeyEvent(e);
- }
- }