A simple JPanel with a border and a title
/*
* Copyright (C) 2004 Kai Toedter
* kai@toedter.com
* www.toedter.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
//package com.toedter.components;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.Border;
/**
* A simple JPanel with a border and a title
*
* @author Kai Toedter
* @version $LastChangedRevision: 85 $
* @version $LastChangedDate: 2006-04-28 13:50:52 +0200 (Fr, 28 Apr 2006) $
*/
public class JTitlePanel extends JPanel {
private static final long serialVersionUID = 9104873267039717087L;
protected JPanel northPanel;
protected JLabel label;
/**
* Constructs a titled panel.
*
* @param title the title
* @param content the JComponent that contains the content
* @param outerBorder the outer border
*/
public JTitlePanel(String title, Icon icon, JComponent content, Border outerBorder) {
setLayout(new BorderLayout());
label = new JLabel(title, icon, JLabel.LEADING);
label.setForeground(Color.WHITE);
GradientPanel titlePanel = new GradientPanel(Color.BLACK);
titlePanel.setLayout(new BorderLayout());
titlePanel.add(label, BorderLayout.WEST);
int borderOffset = 2;
if(icon == null) {
borderOffset += 1;
}
titlePanel.setBorder(BorderFactory.createEmptyBorder(borderOffset, 4, borderOffset, 1));
add(titlePanel, BorderLayout.NORTH);
JPanel northPanel = new JPanel();
northPanel.setLayout(new BorderLayout());
northPanel.add(content,BorderLayout.NORTH);
northPanel.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
add(northPanel, BorderLayout.CENTER);
if (outerBorder == null) {
setBorder(BorderFactory.createLineBorder(Color.GRAY));
} else {
setBorder(BorderFactory.createCompoundBorder(outerBorder,
BorderFactory.createLineBorder(Color.GRAY)));
}
}
public void setTitle(String label, Icon icon) {
this.label.setText(label);
this.label.setIcon(icon);
}
private static class GradientPanel extends JPanel {
private static final long serialVersionUID = -6385751027379193053L;
private GradientPanel(Color background) {
setBackground(background);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (isOpaque()) {
// Color controlColor = UIManager.getColor("control");
// Color controlColor = new Color(252, 198, 82);
Color controlColor = new Color(99, 153, 255);
int width = getWidth();
int height = getHeight();
Graphics2D g2 = (Graphics2D) g;
Paint oldPaint = g2.getPaint();
g2.setPaint(new GradientPaint(0, 0, getBackground(), width, 0,
controlColor));
g2.fillRect(0, 0, width, height);
g2.setPaint(oldPaint);
}
}
}
}
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