Australian PC Authority 1999 May/may1999.iso/May/JBUILDER/JSAMPLES.Z/SampleTree.class

Java Class File | 1998-04-30 | 5.9 KB | 131 lines

import com.sun.java.swing.AbstractButton;
import com.sun.java.swing.ButtonGroup;
import com.sun.java.swing.JCheckBox;
import com.sun.java.swing.JComponent;
import com.sun.java.swing.JFrame;
import com.sun.java.swing.JMenu;
import com.sun.java.swing.JMenuBar;
import com.sun.java.swing.JMenuItem;
import com.sun.java.swing.JPanel;
import com.sun.java.swing.JRadioButton;
import com.sun.java.swing.JScrollPane;
import com.sun.java.swing.JTree;
import com.sun.java.swing.ToolTipManager;
import com.sun.java.swing.UIManager;
import com.sun.java.swing.tree.DefaultMutableTreeNode;
import com.sun.java.swing.tree.DefaultTreeModel;
import com.sun.java.swing.tree.TreePath;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;

public class SampleTree {
   protected JFrame frame;
   protected JTree tree;
   protected DefaultTreeModel treeModel;

   public SampleTree() {
      try {
         UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
      } catch (Exception var5) {
         System.err.println("Error loading L&F: " + var5);
      }

      JMenuBar var1 = this.constructMenuBar();
      JPanel var2 = new JPanel(true);
      this.frame = new JFrame("SampleTree");
      this.frame.getContentPane().add("Center", var2);
      this.frame.setJMenuBar(var1);
      this.frame.setBackground(Color.lightGray);
      DefaultMutableTreeNode var3 = this.createNewNode("Root");
      this.treeModel = new SampleTreeModel(var3);
      this.tree = new JTree(this.treeModel);
      ToolTipManager.sharedInstance().registerComponent(this.tree);
      this.tree.setCellRenderer(new SampleTreeCellRenderer());
      this.tree.setRowHeight(-1);
      JScrollPane var4 = new JScrollPane();
      ((JComponent)var4).setPreferredSize(new Dimension(300, 300));
      var4.getViewport().add(this.tree);
      ((Container)var2).setLayout(new BorderLayout());
      ((Container)var2).add("Center", var4);
      ((Container)var2).add("South", this.constructOptionsPanel());
      this.frame.addWindowListener(new SampleTree$1());
      this.frame.pack();
      this.frame.show();
   }

   private JPanel constructOptionsPanel() {
      JPanel var2 = new JPanel(false);
      JPanel var3 = new JPanel(false);
      ((Container)var3).setLayout(new BorderLayout());
      ((Container)var2).setLayout(new FlowLayout());
      JCheckBox var1 = new JCheckBox("show handles");
      ((AbstractButton)var1).setSelected(this.tree.getShowsRootHandles());
      ((AbstractButton)var1).addChangeListener(new SampleTree$ShowHandlesChangeListener(this));
      ((Container)var2).add(var1);
      var1 = new JCheckBox("show root");
      ((AbstractButton)var1).setSelected(this.tree.isRootVisible());
      ((AbstractButton)var1).addChangeListener(new SampleTree$ShowRootChangeListener(this));
      ((Container)var2).add(var1);
      var1 = new JCheckBox("editable");
      ((AbstractButton)var1).setSelected(this.tree.isEditable());
      ((AbstractButton)var1).addChangeListener(new SampleTree$TreeEditableChangeListener(this));
      ((JComponent)var1).setToolTipText("Triple click to edit");
      ((Container)var2).add(var1);
      ((Container)var3).add(var2, "North");
      ButtonGroup var4 = new ButtonGroup();
      JPanel var5 = new JPanel(false);
      ((Container)var5).setLayout(new FlowLayout());
      JRadioButton var6 = new JRadioButton("Single");
      ((AbstractButton)var6).addActionListener(new SampleTree$2(this));
      var4.add(var6);
      ((Container)var5).add(var6);
      var6 = new JRadioButton("Contiguous");
      ((AbstractButton)var6).addActionListener(new SampleTree$3(this));
      var4.add(var6);
      ((Container)var5).add(var6);
      var6 = new JRadioButton("Discontiguous");
      ((AbstractButton)var6).addActionListener(new SampleTree$4(this));
      ((AbstractButton)var6).setSelected(true);
      var4.add(var6);
      ((Container)var5).add(var6);
      ((Container)var3).add(var5, "South");
      return var3;
   }

   private JMenuBar constructMenuBar() {
      JMenuBar var2 = new JMenuBar();
      JMenu var1 = new JMenu("File");
      var2.add(var1);
      JMenuItem var3 = var1.add(new JMenuItem("Exit"));
      ((AbstractButton)var3).addActionListener(new SampleTree$5());
      var1 = new JMenu("Tree");
      var2.add(var1);
      var3 = var1.add(new JMenuItem("Add"));
      ((AbstractButton)var3).addActionListener(new SampleTree$AddAction(this));
      var3 = var1.add(new JMenuItem("Insert"));
      ((AbstractButton)var3).addActionListener(new SampleTree$InsertAction(this));
      var3 = var1.add(new JMenuItem("Reload"));
      ((AbstractButton)var3).addActionListener(new SampleTree$ReloadAction(this));
      var3 = var1.add(new JMenuItem("Remove"));
      ((AbstractButton)var3).addActionListener(new SampleTree$RemoveAction(this));
      return var2;
   }

   protected DefaultMutableTreeNode getSelectedNode() {
      TreePath var1 = this.tree.getSelectionPath();
      return var1 != null ? (DefaultMutableTreeNode)var1.getLastPathComponent() : null;
   }

   protected DefaultMutableTreeNode createNewNode(String var1) {
      return new DynamicTreeNode(new SampleData((Font)null, Color.black, var1));
   }

   public static void main(String[] var0) {
      new SampleTree();
   }
}