Source Code : A tree with component

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A tree with component

    
/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski     
ISBN: 1-893115-78-X
Publisher: APress
*/

import java.awt.BorderLayout;
import java.awt.Font;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.UIManager;

public class ComponentHier {
  public static void main(String args[]) {
    JFrame frame = new JFrame("JComponent Hierarchy");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Font font = (Font) UIManager.get("Tree.font");
    font = new Font(font.getFontName(), Font.BOLD, font.getSize() - 3);
    UIManager.put("Tree.font", font);

    Vector jEditorPaneVector = new NamedVector("JEditorPane",
        new Object[] { "JTextPane" });

    Vector jTextFieldVector = new NamedVector("JTextField",
        new Object[] { "JPasswordField" });

    Vector jTextComponentVector = new NamedVector(
        "JTextComponent",
        new Object[] { jEditorPaneVector, "JTextArea", jTextFieldVector });

    Vector jLayeredPaneVector = new NamedVector("JLayeredPane",
        new Object[] { "JDesktopPane" });

    Vector jToggleButtonVector = new NamedVector("JToggleButton",
        new Object[] { "JCheckBox", "JRadioButton" });

    Vector jMenuItemVector = new NamedVector("JMenuItem", new Object[] {
        "JCheckBoxMenuItem", "JMenu", "JRadioButtonMenuItem" });

    Vector abstractButtonVector = new NamedVector(
        "Abstract Button",
        new Object[] { "JButton", jMenuItemVector, jToggleButtonVector });

    Object jComponentNodes[] = { abstractButtonVector, "JColorChooser",
        "JComboBox", "JFileChooser", "JInternalFrame", "JLabel",
        jLayeredPaneVector, "JList", "JMenuBar", "JOptionPane",
        "JPanel", "JPopupMenu", "JProgressBar", "JRootPane",
        "JScrollBar", "JScrollPane", "JSeparator", "JSlider",
        "JSplitPane", "JTabbedPane", "JTable", jTextComponentVector,
        "JToolBar", "JTree", "JViewPort" };
    Vector jComponentVector = new NamedVector("JComponent", jComponentNodes);

    Object rootNodes[] = { jComponentVector };
    Vector rootVector = new NamedVector("Root", rootNodes);

    JTree tree = new JTree(rootVector);
    tree.putClientProperty("JTree.lineStyle", "Angled");

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(250, 480);
    frame.setVisible(true);
  }
}

class NamedVector extends Vector {
  String name;

  public NamedVector(String name) {
    this.name = name;
  }

  public NamedVector(String name, Object elements[]) {
    this.name = name;
    for (int i = 0, n = elements.length; i < n; i++) {
      add(elements[i]);
    }
  }

  public String toString() {
    return "[" + name + "]";
  }
}

           
         
    
    
    
  

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