/* $Id: mibTreeDemo.java,v 1.3.2.4 2009/10/13 07:45:34 prathika Exp $ */
/*
 * @(#)mibTreeDemo.java
 * Copyright (c) 1996-2009 ZOHO Corp. All Rights Reserved.
 * Please read the COPYRIGHTS file for more details.
 */

/**
 *  An example of using the MibTree class with the JFC tree component.
 *  This enables loading and using SNMP MIBs with the JFC.
 *  mibs .Mandatory.          - The mibs to be loaded.
 **/


import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.awt.*;
import com.adventnet.snmp.ui.*;
import com.adventnet.snmp.mibs.*;


public class mibTreeDemo extends JFrame {

    JTextArea text; // we'll use to display node information

    public mibTreeDemo(String mibs) {

        super("MainWindow");
    MibOperations mibOps = new MibOperations();

     //To load MIBs from compiled file
     mibOps.setLoadFromCompiledMibs(true);


    try {
        System.out.println("Loading MIBs: "+mibs);
        mibOps.loadMibModules(mibs);
        System.out.println("Done.");

    } catch (Exception ex) {
        System.err.println("Error: "+ex);
    }


        JPanel treepanel = new JPanel();
        JPanel displaypanel = new JPanel();

        JSplitPane splitpane = new JSplitPane();
        splitpane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
        splitpane.setLeftComponent(treepanel);
        splitpane.setDividerSize(2);
        splitpane.setRightComponent(displaypanel);

    MibTree tree = new MibTree(mibOps);
    //tree.setRootVisible(false);

        //Create the scroll pane and add the tree to it.
    JScrollPane scrollPane = new JScrollPane(tree);

    //Add the scroll pane to this tree panel.
    treepanel.setLayout(new GridLayout(1, 0));
    treepanel.setMinimumSize(new Dimension(200,300));
        treepanel.add(scrollPane);


    // lets add a text area at right
    text = new JTextArea("We'll display MIB node information here");
    text.setLineWrap(true);
        displaypanel.setLayout(new GridLayout(1, 0));
    displaypanel.add(text);
    displaypanel.setMinimumSize(new Dimension(300,300));

    // add the splitpane
    getContentPane().add(splitpane);

    setTitle("JFC Mib Tree Demo");

    // Need to setup a listener for selection to display data
    TreeSelectionListener listener = new TreeSelectionListener() {

      public void valueChanged(TreeSelectionEvent e) {
        Object selected = e.getPath().getLastPathComponent();
        if (selected instanceof NodeData) {
          Object obj = ((NodeData)selected).getUserObject();
          if (obj instanceof MibNode)
          text.setText("\n\n"+ ((MibNode)obj).toTagString() );
        } //else text.setText( "Selected: "+selected.getClass() );
      }
    };

        tree.getTree().addTreeSelectionListener(listener);
        tree.getTree().expandRow(0);

    } /* mibTreeDemo */


    public static void main(String[] args) {

        if(args.length<1){
        System.out.println("usage: mibTreeDemo MIB_File ");
        System.exit(0);
        }


    String mibs = args[0];

        try {
            UIManager.setLookAndFeel(
                UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            System.err.println("Couldn't use the system "
                             + "look and feel: " + e);
        }

        JFrame frame = new mibTreeDemo(mibs);

        WindowListener l = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        };
        frame.addWindowListener(l);

        frame.setSize(700,500);
        frame.setVisible(true);
    }


}