/*$Id: lineGraphDemo.java,v 1.3 2002/09/09 05:35:19 tonyjpaul Exp $*/
/*
 * @(#)lineGraphDemo.java
 * Copyright (c) 2012 ZOHO Corp. All Rights Reserved.
 * Please read the COPYRIGHTS file for more details.
 */

import java.awt.*;
import java.util.*;
import java.awt.event.*;
import java.applet.Applet;

import com.adventnet.snmp.beans.*;
import com.adventnet.snmp.ui.*;
import javax.swing.*; 

import java.io.*; 

public class lineGraphDemo extends JFrame implements ActionListener,ComponentListener
{ 
       
	//Declare the beans 
    LineGraphBean  lineGraph = null;
    SnmpPoller  poller = null;
    
	
	JButton button = null;
    JButton loadButton = null;
	JButton browseButton = null;
	JTextField communityText = null;
	JTextField oidText = null;
	JTextField mibText = null;
	JTextField hostText = null;
	JTextField intervalText = null;
	JPanel editPanel = new JPanel();
	JPanel labelPanel = new JPanel();
	long oldValue = 0;        

    public static void main(String [] args) 
    { 
        try { 
                UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {}
		
		
        lineGraphDemo frame = new lineGraphDemo(); 
        frame.show(); 
        
        		
    }
	
    public lineGraphDemo() 
    { 
        this.resize(650,400); 
        this.setTitle( "LineGraph Demo"  ); 
		
		
    }

	
    public void init() 
    { 
        
        // Set the layout for the container
        getContentPane().setLayout(null);
                
        //Instantiate lineGraph
        
		//lineGraph= new LineGraphBean(300,250);
		lineGraph= new LineGraphBean();
		lineGraph.setBounds(20,50,300,250);
        lineGraph.setLfontsize(15);
        lineGraph.setLfontstyle("ITALIC");
		communityText = new JTextField("public", 10);
		oidText = new JTextField("1.3.0", 10);
		intervalText = new JTextField("1", 10);
		hostText = new JTextField("localhost", 10);
		mibText = new JTextField(10);
				
		loadButton = new JButton("Load MIB");
		loadButton.addActionListener(this);
		
		browseButton = new JButton("Browse...");
		browseButton.addActionListener(this);
		
		button= new JButton("Start Polling");
        button.addActionListener(this);
		
		GridBagLayout gridbag = new GridBagLayout();
		GridBagConstraints c = new GridBagConstraints();
		//JPanel editPanel = new JPanel();
		editPanel.setLayout(gridbag);		
		c.fill = GridBagConstraints.BOTH;
		c.insets = new Insets(0,0,5,0);
		
		
		addSingle(editPanel, gridbag, c, "Host :", hostText);
		addSingle(editPanel, gridbag, c, "Community :", communityText);
		addSingle(editPanel, gridbag, c, "OID :", oidText);
		addSingle(editPanel, gridbag, c, "Interval :", intervalText);
		addSingle(editPanel, gridbag, c, "MIB Url :", mibText);		
		addSingle(editPanel, gridbag, c, "", browseButton);
		addSingle(editPanel, gridbag, c, "", loadButton);
		c.insets = new Insets(5,0,0,0);
		addSingle(editPanel, gridbag, c, "", button);		
		
		editPanel.setBounds( 325, 50 ,250 ,250 );
		
		
		JLabel  label = new JLabel("You can give space separated list of OIDs");
		labelPanel.add("Center",label);
		labelPanel.setBounds(10,10,300,25);
		getContentPane().add("North", labelPanel);
		getContentPane().add("West", lineGraph);
		getContentPane().add("East", editPanel);
			
		addComponentListener(this);

        //Instantiate snmpPoller
        poller= new SnmpPoller();

		//Set the modified properties for lineGraph
        try 
        {
            lineGraph.setForeground(new Color(-16764109));
            lineGraph.setBackground(new Color(-16764109));
        }catch(Exception ex){};

    
	poller.addResultListener(lineGraph);  // listen for response events
	poller.setSendTimeoutEvents(true);    
	this.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
	});
		
	} 
    
	public void actionPerformed(ActionEvent e) {
		
		if (e.getActionCommand().equals("Browse...")) {
			FileDialog localFd = new FileDialog(this, "Mib Load Dialog", FileDialog.LOAD);
			localFd.setSize(700,300);
			localFd.show();
			
			String dir = localFd.getDirectory();
			String file = localFd.getFile();
			if((dir != null)&&(file != null))
				mibText.setText(dir + file);
		}
		
		if (e.getActionCommand().equals("Load MIB")) {
        
			if(mibText.getText().trim().equals(""))
				System.err.println("Specify MIBs path");
			try { 
				poller.loadMibs( mibText.getText() );
				//mibText.setText("");
			}
			catch(Exception me) { 
				System.out.println("Loading MIB Failed. "+ me);
				//System.exit(1);
			}
		}

		if (e.getActionCommand().equals("Stop Polling")) {			
			poller.stopPolling();
			button.setLabel("Start Polling");
		
		} else if (e.getActionCommand().equals("Start Polling")) { // else restart it
			setValues();
			poller.restartPolling();
			button.setLabel("Stop Polling");
		} 
	}
	
	public void show()
    {
        init();
        super.show();
    }
	
	public void setValues() {
		
		// load MIB to allow us to use names
		try{
			poller.setPollInterval( Integer.parseInt(intervalText.getText()) );
		}catch (NumberFormatException nfm){
			System.err.println("PollInterval should be an integer");
			intervalText.setText(String.valueOf(poller.getPollInterval()));
		}	
		poller.setCommunity( communityText.getText() );
		poller.setTargetHost( hostText.getText() );
		
		String lineLabels = oidText.getText();
		
			
		StringTokenizer stoken = new StringTokenizer(lineLabels, " ");
	    int num = stoken.countTokens();
	    lineGraph.setTitle("Plotting "+num +" OIDs");
		String oidList[]  = new String[num]; 

	    for(int i=0; i<num; i++) 
		{ // gather the oids from the lineLabels string
		    oidList[i] = stoken.nextToken();
		}

		poller.setObjectIDList(oidList);
		lineGraph.setLineLabels(lineLabels);     
		lineGraph.setValues(); 
		
		
	}
	
	/** Add a single textfield with label to a line **/
  void addSingle(JPanel panel, GridBagLayout gridbag, GridBagConstraints c, String l1, JComponent t1) {

	c.gridwidth = 1;
	c.weightx = 0.1;
	JLabel label = new JLabel(l1);
	gridbag.setConstraints(label,c);
	panel.add(label);

	c.weightx = 0.9;
	c.gridwidth = GridBagConstraints.REMAINDER;
	gridbag.setConstraints(t1,c);
	panel.add(t1);
  }

	public void componentHidden( ComponentEvent e ) 
	{
		
	}

	public void componentMoved( ComponentEvent e ) 
	{
	}

	public void componentResized( ComponentEvent e ) 
	{
		lineGraph.setBounds( 50,50,this.getSize().width-350,this.getSize().height-150);
		
		editPanel.setBounds(this.getSize().width-290,50,250,250);


	}
	public void componentShown( ComponentEvent e ) 

	{

	}
	

}