com.mgmtp.perfload.loadprofiles.ui.component.DoubleCellEditor Maven / Gradle / Ivy
/*
* Copyright (c) 2013 mgm technology partners GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mgmtp.perfload.loadprofiles.ui.component;
import static org.apache.commons.lang3.StringUtils.isBlank;
import java.awt.Color;
import java.text.DecimalFormat;
import java.text.ParseException;
import javax.swing.DefaultCellEditor;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.LineBorder;
/**
* @author rnaegele
*/
public class DoubleCellEditor extends DefaultCellEditor {
private static final DecimalFormat FORMAT = new DecimalFormat("0.00");
private Double value;
public DoubleCellEditor() {
super(new JTextField());
final JTextField textField = (JTextField) getComponent();
textField.setHorizontalAlignment(SwingConstants.RIGHT);
delegate = new EditorDelegate() {
@Override
public void setValue(final Object value) {
textField.setText(value != null ? FORMAT.format(value) : null);
}
@Override
public Object getCellEditorValue() {
return textField.getText();
}
};
textField.addActionListener(delegate);
}
@Override
public boolean stopCellEditing() {
String s = (String) super.getCellEditorValue();
JTextField textField = (JTextField) getComponent();
if (isBlank(s)) {
textField.setBorder(new LineBorder(Color.red));
return false;
}
try {
value = Double.valueOf(s);
} catch (NumberFormatException ex2) {
try {
Number n = FORMAT.parse(s);
value = n.doubleValue();
} catch (ParseException ex1) {
textField.setBorder(new LineBorder(Color.red));
textField.selectAll();
return false;
}
}
return super.stopCellEditing();
}
@Override
public Object getCellEditorValue() {
return value;
}
}