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: 139 $ 

 * @version $LastChangedDate: 2011-06-04 19:50:51 +0200 (Sa, 04 Jun 2011) $ 

 */ 

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(165, 201, 215); 

                // 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); 

            } 

        } 

    }