colortabbedpaneexample3.java

来自「tame,扩展了好多SWing组件:JTable」· Java 代码 · 共 75 行

/* (swing1.1.1) */
package tame.examples;

import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.UIManager;

/**
@author Nobuo Tamemasa
@version 1.0 08/23/99
*/
public class ColorTabbedPaneExample3 extends JFrame {

  String[] titles = {"blue",   "cyan", "green", "yellow",
                     "orange", "pink", "red"};
  Color[]  colors = {Color.blue,   Color.cyan, Color.green, Color.yellow,
                     Color.orange, Color.pink, Color.red };
  JTabbedPane tabbedPane;

  public ColorTabbedPaneExample3() {
    super("ColorTabbedPaneExample (windows)");

    tabbedPane = new ColoredTabbedPane();
    for (int i=0;i<titles.length;i++) {
      tabbedPane.addTab(titles[i], createPane (titles[i], colors[i]));
      tabbedPane.setBackgroundAt(i, colors[i].darker());
    }
    tabbedPane.setSelectedIndex(0);

    getContentPane().add(tabbedPane);
  }

  JPanel createPane(String title, Color color) {
    JPanel panel = new JPanel();
    panel.setBackground(color);
    JLabel label = new JLabel(title);
    label.setOpaque(true);
    label.setBackground(Color.white);
    panel.add(label);
    return panel;
  }

  class ColoredTabbedPane extends JTabbedPane {
    public Color getBackgroundAt(int index) {
      if (index == getSelectedIndex()) {
        return colors[index];
      } else {
        return super.getBackgroundAt(index);
      }
    }
  }

  public static void main(String[] args) {
    try {
      UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception ex) {
      ex.printStackTrace();
    }
    JFrame frame = new ColorTabbedPaneExample3();
    frame.addWindowListener( new WindowAdapter() {
      public void windowClosing( WindowEvent e ) {
        System.exit(0);
      }
    });
    frame.setSize( 360, 100 );
    frame.setVisible(true);
  }
}