demo.java

gcc的组建

    ButtonGroup bg = new ButtonGroup();
    bg.add(c);
    bg.add(d);
    p.add(c);
    p.add(d);
    return p;
  }

  public static JList mkList(Object[] elts)
  {
    JList list = new JList(elts);
    list.setFont(new Font("Luxi", Font.PLAIN, 14));
    return list;
  }

  public static JTabbedPane mkTabs(String[] names)
  {
    JTabbedPane tabs = new JTabbedPane();
    for (int i = 0; i < names.length; ++i)
      {
        tabs.addTab(names[i], mkButton(names[i]));
      }
    return tabs;
  }

  public static JComboBox mkComboBox(String[] names)
  {
    JComboBox box = new JComboBox(names);
    return box;
  }

  public static JSpinner mkSpinner()
  {
    JSpinner spinner = new JSpinner();
    return spinner;
  }

  public static JButton mkBigButton(String title)
  {
    JButton b = new JButton(title);
    b.setMargin(new Insets(5,5,5,5));
    //b.setFont(new Font("Luxi", Font.PLAIN, 14));
    return b;
  }

  public static JToggleButton mkToggle(String title)
  {
    JToggleButton b = new JToggleButton(title);
    b.setMargin(new Insets(5,5,5,5));
    b.setFont(new Font("Luxi", Font.PLAIN, 14));
    return b;    
  }

  public static JPanel mkPanel(JComponent[] inners)
  {
    JPanel p = new JPanel();
    for (int i = 0; i < inners.length; ++i)
      {
        p.add(inners[i]);
      }
    return p;
  }

  public static JScrollBar mkScrollBar()
  {
    JScrollBar scrollbar = new JScrollBar();
    return scrollbar;
  }

  public static JPanel mkViewportBox(final JComponent inner)
  {
    final JViewport port = new JViewport();
    port.setView(inner);
    JButton left = mkBigButton("left");
    JButton right = mkBigButton("right");
    
    left.addActionListener(new ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          Point p = port.getViewPosition();
          port.setViewPosition(new Point(p.x - 10, p.y));
        }
      });

    right.addActionListener(new ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          Point p = port.getViewPosition();
          port.setViewPosition(new Point(p.x + 10, p.y));
        }
      });
 
    return mkPanel(new JComponent[] {port, left, right});
  }

  public static JPanel mkListPanel(Object[] elts)
  {
    final DefaultListModel mod = new DefaultListModel();
    final JList list1 = new JList(mod);
    list1.setLayoutOrientation(JList.VERTICAL_WRAP);
    list1.setVisibleRowCount(4);
    final JList list2 = new JList(mod);
    list2.setLayoutOrientation(JList.VERTICAL_WRAP);
    list2.setVisibleRowCount(4);

    list2.setSelectionModel(list1.getSelectionModel());
    for (int i = 0; i < elts.length; ++i)
      mod.addElement(elts[i]);
    list1.setCellRenderer(new LabelCellRenderer());
    list2.setCellRenderer(new CheckCellRenderer());

    JButton add = mkBigButton("add element");
    add.addActionListener(new ActionListener()
      {
        int i = 0;
        public void actionPerformed(ActionEvent e)
        {
          mod.addElement("new element " + i);
          ++i;
        }
      });

    JButton del = mkBigButton("delete selected");
    del.addActionListener(new ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          for (int i = 0; i < mod.getSize(); ++i)
            if (list1.isSelectedIndex(i))
              mod.remove(i);
        }
      });

    return mkPanel(new JComponent[] {list1, //mkScrollPane(list1), 
                                     list2, //mkScrollPane(list2), 
                                     mkPanel(new JComponent[] {add, del})});
  }


  public static JButton mkDisposerButton(final JFrame c)
  {
    JButton close = mkBigButton("Close");
    close.addActionListener(new ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          c.dispose();
        }
      });
    return close;
  }

  public static JColorChooser mkColorChooser()
  {
    return new JColorChooser();
  }

  private static class PopUpAction
    implements ActionListener
  {
    private JComponent inner;
    private String name;

    PopUpAction(String n, JComponent i, JMenu m)
    {
      name = n;
      inner = i;

      JMenuItem item = new JMenuItem(name);
      item.addActionListener(this);
      m.add(item);
    }

    PopUpAction(String n, JComponent i, JPanel p)
    {
      name = n;
      inner = i;

      JButton b = mkBigButton(name);
      b.addActionListener(this);
      p.add(b);
    }

    public void actionPerformed(ActionEvent e)
    {
      JFrame frame = new JFrame(name);
      frame.getContentPane().setLayout(new BorderLayout());
      frame.getContentPane().add(inner, BorderLayout.CENTER);
      frame.getContentPane().add(mkDisposerButton(frame), BorderLayout.SOUTH);
      frame.pack();
      frame.show();
    }
  }

  private static JEditorPane mkEditorPane()
  {
    JEditorPane editorPane = new JEditorPane();
    editorPane.setEditable(true);
    return editorPane;
  }
  
  private static JTree mkTree()
  {
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root node");
    DefaultMutableTreeNode child1 = new DefaultMutableTreeNode("Child node 1");
    DefaultMutableTreeNode child11 =
      new DefaultMutableTreeNode("Child node 1.1");
    DefaultMutableTreeNode child12 =
      new DefaultMutableTreeNode("Child node 1.2");
    DefaultMutableTreeNode child13 =
      new DefaultMutableTreeNode("Child node 1.3");
    DefaultMutableTreeNode child2 = new DefaultMutableTreeNode("Child node 2");
    DefaultMutableTreeNode child21 =
      new DefaultMutableTreeNode("Child node 2.1");
    DefaultMutableTreeNode child22 =
      new DefaultMutableTreeNode("Child node 2.2");
    DefaultMutableTreeNode child23 =
      new DefaultMutableTreeNode("Child node 2.3");
    DefaultMutableTreeNode child24 =
      new DefaultMutableTreeNode("Child node 2.4");

    DefaultMutableTreeNode child3 = new DefaultMutableTreeNode("Child node 3");
    root.add(child1);
    root.add(child2);
    root.add(child3);
    child1.add(child11);
    child1.add(child12);
    child1.add(child13);
    child2.add(child21);
    child2.add(child22);
    child2.add(child23);
    child2.add(child24);

    JTree tree = new JTree(root);
    tree.setLargeModel(true);
    DefaultTreeSelectionModel dtsm = new DefaultTreeSelectionModel();
    dtsm.setSelectionMode(DefaultTreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.setSelectionModel(dtsm);
    
    return tree;
  }

  private static JTable mkTable()
  {
    Object[][] tableData = new Object[][] {
      {
        "Field 1", "Field 2" , "Field 3"
      },
      {
        "Field 4", "Field 5" , "Field 6"
      },
      {
        "Field 7", "Field 8" , "Field 9"
      },
      {
        "Field 10", "Field 11" , "Field 12"
      }
    };
    Object[] columnNames = new Object[] {"Column 1", "Column 2", "Column 3"};

    JTable table = new JTable(tableData, columnNames);
    return table;
  }
  
  private JPanel mkButtonBar()
  {    
    JPanel panel = new JPanel (new GridLayout(2, 1));
    JPanel panelA = new JPanel(new FlowLayout());
    JPanel panelB = new JPanel(new FlowLayout());

    new PopUpAction("Buttons",
		    (new ButtonDemo("Button Demo")).createContent(),
		    panelA);
    
    new PopUpAction("Toggles",
		    mkToggle("cool and refreshing"),
		    panelA);

    new PopUpAction("Checkbox",
		    mkCheckbox("ice cold"),
		    panelA);

    new PopUpAction("Radio",
		    mkRadio("delicious"),
		    panelA);

    new PopUpAction("Slider",
		    (new SliderDemo("Slider Demo")).createContent(),
		    panelA);

    new PopUpAction("ProgressBar",
            ProgressBarDemo.createContent(),
             panelA);


    new PopUpAction("List",
		    mkListPanel(new String[] { "hello",
					       "this",
					       "is",
					       "a",
					       "list",
                                               "that",
                                               "wraps",
                                               "over"}),
		    panelA);

    new PopUpAction("Scrollbar",
		    (new ScrollBarDemo("ScrollBar Demo")).createContent(),
		    panelA);

    new PopUpAction("Viewport",
		    mkViewportBox(mkBigButton("View Me!")),
		    panelA);

    new PopUpAction("ScrollPane",
		    mkScrollPane(mkBigButton("Scroll Me!")),
		    panelA);

    new PopUpAction("TabPane",
		    mkTabs(new String[] {"happy",
					 "sad",
					 "indifferent"}),
		    panelB);

    new PopUpAction("Spinner",
		    mkSpinner(),
		    panelB);

    new PopUpAction("TextField",
		    (new TextFieldDemo("TextField Demo")).createContent(),
		    panelB);

    new PopUpAction("FileChooser",
                    (new FileChooserDemo("FileChooser Demo")).createContent(),
                    panelB);

    new PopUpAction("ColorChooser",
		    mkColorChooser(),
		    panelB);

    new PopUpAction("ComboBox",
		    (new ComboBoxDemo("ComboBox Demo")).createContent(),
		    panelB);

    new PopUpAction("Editor",
                    mkEditorPane(),
                    panelB);
    
    new PopUpAction("Tree",
                    mkTree(),
                    panelB);
    
    new PopUpAction("Table",
                    mkTable(),
                    panelB);
    
    JButton exitDisposer = mkDisposerButton(frame);
    panelB.add(exitDisposer);
    exitDisposer.addActionListener(new ActionListener()
      {
	public void actionPerformed(ActionEvent e)
	{
	  System.exit(1);
	}
      });
    panel.add(panelA);
    panel.add(panelB);
    return panel;
  }
}