/*
* Copyright (c) 2007 BUSINESS OBJECTS SOFTWARE LIMITED
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Business Objects nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* NumericTextField.java
* Created: Oct 1, 2004
* By: ??
*/
package org.openquark.util.ui;
import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JTextField;
/**
* A subclass of JTextField that only allows the user to enter numbers.
*/
public class NumericTextField extends JTextField {
private static final long serialVersionUID = -1143863704273395095L;
/**
* Use this method to create a <code>JTextField</code> that only accepts
* integer input.
* @return JTextField
*/
public static JTextField createIntegerTextField() {
JTextField textField = new NumericTextField();
textField.setInputVerifier(new InputVerifier() {
@Override
public boolean verify(JComponent input) {
try {
Integer.parseInt(((JTextField) input).getText());
return true;
} catch (NumberFormatException nfe) {
return false;
}
}
});
return textField;
}
/**
* Use this method to create a <code>JTextField</code> that accepts integer
* or decimal input.
* @return JTextField
*/
public static JTextField createDecimalTextField() {
JTextField textField = new NumericTextField();
textField.setInputVerifier(new InputVerifier() {
@Override
public boolean verify(JComponent input) {
try {
Double.parseDouble(((JTextField) input).getText());
return true;
} catch (NumberFormatException nfe) {
return false;
}
}
});
return textField;
}
}