How to dislay a frame when i clck on the node or leaf on the JTree

Question

Hi All,
Iam doing project on swing. In that iam doing with JTree. The Jtree is displaying on the left side of the splitpane .My problem is if i click on the nodes or leaf in the JTree one panel should be open in on the right side of the spltpane. Iam pasting the code.please can any body knows the solution please send me.
regards
sonali
import java.awt.*;
import javax.swing.*;
import javax.swing.BorderFactory;
import javax.swing.border.*;
import java.awt.event.*;
import javax.swing.tree.*;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.event.TreeSelectionListener;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.tree.TreeSelectionModel;
import javax.swing.tree.DefaultTreeCellRenderer;
import java.net.URL;
import javax.swing.*;
import java.io.IOException;
import javax.swing.JEditorPane;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JFrame;
import Test.Test1;
public class JFrame1 extends javax.swing.JFrame {
JScrollPane sp;
JPanel topPanel;
JPanel leftPanel;
JPanel bottomPanel;
JPanel rightPanel;
Border b ;
JTree tree;
DefaultTreeModel treeModel;
     public JFrame1(){
          getContentPane().setLayout(null);
          setSize(405,305);
          setVisible(false);
          JPanel1.setLayout(null);
          getContentPane().add(JPanel1);
          JPanel1.setLayout(new GridLayout(1, 1));
          JPanel1.setBounds(0,0,405,305);
          JPanel1.add(JSplitPane1);
          JSplitPane1.setBounds(0,5,405,305);
          JSplitPane1.setContinuousLayout(false);
          topPanel = new JPanel();
          leftPanel = new JPanel();
          bottomPanel = new JPanel();
          topPanel.setLayout(new FlowLayout());
          leftPanel.setLayout(null);
          b = new EtchedBorder();
          leftPanel.setBorder(b);
          leftPanel.setBounds(0,0,300,305);
          bottomPanel.setLayout(new FlowLayout());
          rightPanel = new JPanel();
          rightPanel.setBounds(108, 0, 300, 305);
          JSplitPane1.setRightComponent(rightPanel);
          JSplitPane1.setLeftComponent(leftPanel);
          rightPanel.setLayout(null);
          topPanel.setBounds(0,0,305,25);
          b = new EtchedBorder(0);
          topPanel.setBorder(b);
          bottomPanel.setBounds(0,26,300,280);
          b = new BevelBorder(1, Color.black,Color.black);
          bottomPanel.setBorder(b);
          rightPanel.add(topPanel);
          rightPanel.add(bottomPanel);
          JSplitPane1.setDividerLocation(120);
          DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
DefaultMutableTreeNode subroot = new DefaultMutableTreeNode("SubRoot");
DefaultMutableTreeNode leaf1 = new DefaultMutableTreeNode("Leaf 1");
DefaultMutableTreeNode leaf2 = new DefaultMutableTreeNode("Leaf 2");
DefaultMutableTreeNode leaf3 = new DefaultMutableTreeNode("Leaf 3");
DefaultMutableTreeNode subroot1 = new DefaultMutableTreeNode("SubRoot1");
DefaultMutableTreeNode leaf11 = new DefaultMutableTreeNode("Leaf 11");
DefaultMutableTreeNode leaf21 = new DefaultMutableTreeNode("Leaf 21");
DefaultMutableTreeNode leaf31 = new DefaultMutableTreeNode("Leaf 31 skfjdsf sfjfdsl fslfkjdsfl sflkjaflksdfdslfjds lfsdlkfjdslk sdsdlkfjdsla fflkdasjfdslkjal");
DefaultMutableTreeNode subroot2 = new DefaultMutableTreeNode("SubRoot2");
DefaultMutableTreeNode leaf12 = new DefaultMutableTreeNode("Leaf 12");
DefaultMutableTreeNode leaf22 = new DefaultMutableTreeNode("Leaf 22");
DefaultMutableTreeNode leaf32 = new DefaultMutableTreeNode("Leaf 32");
treeModel = new DefaultTreeModel(root);
tree = new JTree(treeModel);
treeModel.insertNodeInto(subroot, root, 0);
treeModel.insertNodeInto(leaf1, subroot, 0);
treeModel.insertNodeInto(leaf2, root, 1);
treeModel.insertNodeInto(leaf3, root, 2);
treeModel.insertNodeInto(subroot1, root, 3);
treeModel.insertNodeInto(leaf11, subroot1, 0);
treeModel.insertNodeInto(leaf21, subroot1, 1);
treeModel.insertNodeInto(leaf31, subroot1, 2);
treeModel.insertNodeInto(subroot2, root, 3);
treeModel.insertNodeInto(leaf12, subroot2, 0);
treeModel.insertNodeInto(leaf22, subroot2, 1);
treeModel.insertNodeInto(leaf32, subroot2, 2);
sp = new JScrollPane();
sp.setBounds(0,0,300,305);
sp.getViewport().add(tree);
sp.setViewportBorder(BorderFactory.createRaisedBevelBorder());
leftPanel.add(sp,BorderLayout.CENTER);
//          SymPropertyChange lSymPropertyChange = new SymPropertyChange();
//          JSplitPane1.addPropertyChangeListener(lSymPropertyChange);
          SymWindow aSymWindow = new SymWindow();
          this.addWindowListener(aSymWindow);
          SymComponent aSymComponent = new SymComponent();
          this.addComponentListener(aSymComponent);
     public JFrame1(String sTitle)
          this();
          setTitle(sTitle);
     public void setVisible(boolean b)
          if (b)
               setLocation(50, 50);
          super.setVisible(b);
     static public void main(String args[])
          (new JFrame1()).setVisible(true);
     public void addNotify()
          Dimension size = getSize();
          super.addNotify();
          if (frameSizeAdjusted)
               return;
          frameSizeAdjusted = false;
          Insets insets = getInsets();
          javax.swing.JMenuBar menuBar = getRootPane().getJMenuBar();
          int menuBarHeight = 0;
          if (menuBar != null)
               menuBarHeight = menuBar.getPreferredSize().height;
          setSize(insets.left + insets.right + size.width, insets.top + insets.bottom + size.height + menuBarHeight);
     boolean frameSizeAdjusted = false;
     javax.swing.JPanel JPanel1 = new javax.swing.JPanel();
     javax.swing.JSplitPane JSplitPane1 = new javax.swing.JSplitPane();
     /*class SymPropertyChange implements java.beans.PropertyChangeListener{
          public void propertyChange(java.beans.PropertyChangeEvent event){
               Object object = event.getSource();
               if (object == JSplitPane1)
                    JSplitPane1_propertyChange(event);
/*     void JSplitPane1_propertyChange(java.beans.PropertyChangeEvent event){
     System.out.println("!");
     sp.setSize((int)JSplitPane1.getLeftComponent().getBounds().getWidth()-2,(int)JSplitPane1.getLeftComponent().getBounds().getHeight()-2 );
     sp.repaint();
     tree.repaint();
     class SymWindow extends java.awt.event.WindowAdapter{
          public void windowActivated(java.awt.event.WindowEvent event){
               Object object = event.getSource();
               if (object == JFrame1.this)
                    JFrame1_windowActivated(event);
          public void windowIconified(java.awt.event.WindowEvent event){
               Object object = event.getSource();
               if (object == JFrame1.this)
                    JFrame1_windowIconified(event);
     void JFrame1_windowIconified(java.awt.event.WindowEvent event){
     void JFrame1_windowActivated(java.awt.event.WindowEvent event){
     class SymComponent extends java.awt.event.ComponentAdapter{
          public void componentShown(java.awt.event.ComponentEvent event){
               Object object = event.getSource();
               if (object == JFrame1.this)
                    JFrame1_componentShown(event);
          public void componentResized(java.awt.event.ComponentEvent event){
               Object object = event.getSource();
               if (object == JFrame1.this)
                    JFrame1_componentResized(event);
     void JFrame1_componentResized(java.awt.event.ComponentEvent event){
     System.out.println("!!");
          JPanel1.setSize(this.getContentPane().getMaximumSize());
          JSplitPane1.setSize((int)JPanel1.getMaximumSize().getWidth()-5,(int)JPanel1.getMaximumSize().getHeight()-5 );
          topPanel.setBounds(0, 0, rightPanel.getWidth()-3, 25);
          bottomPanel.setBounds(0,26,rightPanel.getWidth()-3,rightPanel.getHeight()-28);
          sp.setSize((int)leftPanel.getMaximumSize().getWidth(),(int)leftPanel.getMaximumSize().getHeight());
     sp.setAutoscrolls(true);
     //sp.setSize((int)JSplitPane1.getLeftComponent().getBounds().getWidth()-2,(int)JSplitPane1.getLeftComponent().getBounds().getHeight()-2 );
     sp.repaint();
     //sp.setSize((int)leftPanel.getSize().getWidth(),(int)leftPanel.getSize().getHeight() );
     void JFrame1_componentShown(java.awt.event.ComponentEvent event){
     System.out.println("!!!");
          JPanel1.setSize(this.getContentPane().getMaximumSize());
          JSplitPane1.setSize((int)JPanel1.getMaximumSize().getWidth()-5,(int)JPanel1.getMaximumSize().getHeight()-5 );
          topPanel.setBounds(0, 0, rightPanel.getWidth()-3, 25);
     sp.setSize((int)JSplitPane1.getLeftComponent().getBounds().getWidth()-2,(int)JSplitPane1.getLeftComponent().getBounds().getHeight()-2 );
     sp.repaint();
          bottomPanel.setBounds(0,26,rightPanel.getWidth()-3,rightPanel.getHeight()-28);
}

Answer 1

hi sculz,
i develped the tree, and tree selection listener also the 4 th point i didnt able to do . here is the code belo what i did.
iam not able to add the JSplit pane also.
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.event.*;
public class Tree08 extends JFrame{
Hashtable theHashtable = new Hashtable();
int frameWidth = 300;
int frameHeight = 305;
int numberRows = 19;
JTree tree;
JPanel treePanel;
String plafClassName =
"com.sun.java.swing.plaf.motif.MotifLookAndFeel";
For future reference, the three plaf implementations
are:
com.sun.java.swing.plaf.metal.MetalLookAndFeel
com.sun.java.swing.plaf.motif.MotifLookAndFeel
com.sun.java.swing.plaf.windows.WindowsLookAndFeel
JLabel display;
public static void main(String args[]) {
new Tree08();
public Tree08 () {
theHashtable.put("Cabbage","Good in slaw");
theHashtable.put("Squash","The yellow variety");
theHashtable.put("Onion","Not too hot");
theHashtable.put("Squirrel","Likes to store nuts");
theHashtable.put("Rabbit","Runs fast");
theHashtable.put("Fox","Crazy like a ...");
theHashtable.put("Horse","Fun to ride");
theHashtable.put("Pig","Lives in mud");
theHashtable.put("Cow","Gives us milk");
theHashtable.put("Peach","From Georgia");
theHashtable.put("Grape","Saueeze into wine");
theHashtable.put("Apple","Red delicious");
theHashtable.put("Orange","Very juicy");
DefaultMutableTreeNode[] theTreeNodes = new
DefaultMutableTreeNode[numberRows];
theTreeNodes[0] = new DefaultMutableTreeNode("Sample
Tree");
theTreeNodes[1] = new
DefaultMutableTreeNode("Vegetables");
theTreeNodes[2] = new
DefaultMutableTreeNode("Cabbage");
theTreeNodes[3] = new
DefaultMutableTreeNode("Squash");
theTreeNodes[4] = new
DefaultMutableTreeNode("Onion");
theTreeNodes[5] = new
DefaultMutableTreeNode("Animals");
theTreeNodes[6] = new
DefaultMutableTreeNode("Forrest");
theTreeNodes[7] = new
DefaultMutableTreeNode("Squirrel");
theTreeNodes[8] = new
DefaultMutableTreeNode("Rabbit");
theTreeNodes[9] = new DefaultMutableTreeNode("Fox");
theTreeNodes[10] = new
DefaultMutableTreeNode("Farm");
theTreeNodes[11] = new
DefaultMutableTreeNode("Horse");
theTreeNodes[12] = new DefaultMutableTreeNode("Pig");
theTreeNodes[13] = new DefaultMutableTreeNode("Cow");
theTreeNodes[14] = new
DefaultMutableTreeNode("Fruit");
theTreeNodes[15] = new
DefaultMutableTreeNode("Peach");
theTreeNodes[16] = new
DefaultMutableTreeNode("Grape");
theTreeNodes[17] = new
DefaultMutableTreeNode("Apple");
theTreeNodes[18] = new
DefaultMutableTreeNode("Orange");
theTreeNodes[0].add(theTreeNodes[1]);
theTreeNodes[1].add(theTreeNodes[2]);
theTreeNodes[1].add(theTreeNodes[3]);
theTreeNodes[1].add(theTreeNodes[4]);
theTreeNodes[0].add(theTreeNodes[5]);
theTreeNodes[5].add(theTreeNodes[6]);
theTreeNodes[6].add(theTreeNodes[7]);
theTreeNodes[6].add(theTreeNodes[8]);
theTreeNodes[6].add(theTreeNodes[9]);
theTreeNodes[5].add(theTreeNodes[10]);
theTreeNodes[10].add(theTreeNodes[11]);
theTreeNodes[10].add(theTreeNodes[12]);
theTreeNodes[10].add(theTreeNodes[13]);
theTreeNodes[0].add(theTreeNodes[14]);
theTreeNodes[14].add(theTreeNodes[15]);
theTreeNodes[14].add(theTreeNodes[16]);
theTreeNodes[14].add(theTreeNodes[17]);
theTreeNodes[14].add(theTreeNodes[18]);
treePanel = new TreePanel(theTreeNodes[0]);
tree.addTreeSelectionListener(new MyTreeListener());
Container content = getContentPane();
content.add(treePanel,BorderLayout.CENTER);
display = new JLabel("Display Selection Here");
content.add(display,BorderLayout.SOUTH);
setSize(frameWidth, frameHeight);
setTitle("Copyright 1998, R.G.Baldwin");
setVisible(true);
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);}
class MyTreeListener implements TreeSelectionListener{
public void valueChanged(TreeSelectionEvent e) {
DefaultMutableTreeNode theNode =
(DefaultMutableTreeNode)
(e.getPath().getLastPathComponent());
if (theNode.isLeaf()) {
display.setText((String)theHashtable.get(
theNode.getUserObject()));
class TreePanel extends JPanel {
public TreePanel(TreeNode root){
setLayout(new BorderLayout());
tree = new JTree(root);
JScrollPane sp = new JScrollPane(tree);
add(sp, BorderLayout.CENTER);
try{
UIManager.setLookAndFeel(plafClassName);
}catch(Exception ex){System.out.println(ex);}
SwingUtilities.updateComponentTreeUI(this);
for(int cnt = 0; cnt < numberRows; cnt++){
tree.expandRow(cnt);
regards
sonali