package Gui.Param;

import Obj.*;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;


public class IndiFreqDlg extends JDialog implements ActionListener {
    
    private int buttonHit;
    
    // Buttons
    private JButton okButton;
    private JButton cancelButton;
    private JButton defaultButton;  
   
    private JRadioButton setlambdBox;
    private JRadioButton inferlambdBox;
    
    private JTextField   lambdField;
    private JButton      lambdButton;
    
    private LambdDlg     lambdDlg;
    
    // Data Members
    private boolean setlambd = true;
    private boolean inferlambd = false;
    private float   lambd = 1.0f;


    // Data Model
    private NSimObj sim;
    
    public IndiFreqDlg(Component owner, NSimObj sim, boolean def ){
	
	this.sim = sim;
	
	
	
	setlambdBox   = new JRadioButton("Set Lambda  ");
	inferlambdBox = new JRadioButton("Infer Lambda");
	
	//Create the text fields and set them up.

		
	setlambdBox.setActionCommand("setlambd");
	setlambdBox.addActionListener(this);

	inferlambdBox.setActionCommand("inferlambd");
	inferlambdBox.addActionListener(this);
	
	ButtonGroup bg = new ButtonGroup();
	bg.add(setlambdBox);
	bg.add(inferlambdBox);

	lambdField = new JTextField(10);
	
	lambdButton = new JButton("Configure ...");
	lambdButton.setActionCommand("lambdbutton");
	lambdButton.addActionListener(this);
	
	JPanel plm =new JPanel();
	plm.add(lambdButton);
	
	
	//Create Buttons
	okButton = new JButton("   OK  ");
	okButton.setActionCommand("ok");
	okButton.addActionListener(this);
	cancelButton = new JButton("Cancel ");      
	cancelButton.setActionCommand("cancel");
	cancelButton.addActionListener(this);
	defaultButton = new JButton("Default");
	defaultButton.addActionListener(this);
	

	//Layout the labels in a panel.
	JPanel labelPane = new JPanel();
	labelPane.setLayout(new GridLayout(0, 1));
	labelPane.add(setlambdBox);
	labelPane.add(inferlambdBox);
	
	  //Layout the text fields in a panel.
        JPanel fieldPane = new JPanel();
        fieldPane.setLayout(new GridLayout(0, 1));
	
	JPanel p1 = new JPanel();
	p1.add(lambdField);
	fieldPane.add(p1);
	fieldPane.add(plm);
	
	//Layout the buttons in a panel
	JPanel buttonPane = new JPanel();
	buttonPane.add(cancelButton);
	buttonPane.add(defaultButton);
	buttonPane.add(okButton);

	  //Put the panels in another panel, labels on left,
        //text fields on right.
        JPanel contentPane = new JPanel();
        contentPane.setBorder(BorderFactory.createEmptyBorder(20, 20, 4, 20));
	GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
        contentPane.setLayout(gridbag);

	c.fill = GridBagConstraints.BOTH;
	
	c.gridx = 0;
	c.gridy = 0;
	c.gridwidth = 1;
	c.insets = new Insets(10,0,0,0);
	gridbag.setConstraints(labelPane, c);
	contentPane.add(labelPane);

	c.gridx = 1;
	gridbag.setConstraints(fieldPane, c);
	contentPane.add(fieldPane);
	
	
	c.gridx = 0;
	c.gridy =2;
	c.gridwidth = 2;
	c.insets = new Insets(25,20,20,20);
	gridbag.setConstraints(buttonPane, c);
        contentPane.add(buttonPane);
	// contentPane.add(buttonPane, BorderLayout.SOUTH);
        setContentPane(contentPane);	
	setLocationRelativeTo(owner);
	
	if(!sim.isNew() && !def ){
	    setlambd = sim.INDIFQSETLAMBDA;
	    inferlambd = sim.INDIFQINFERLAMBDA;
	    if(setlambd)
		lambd = sim.LAMBDA;
	    if(inferlambd)
		lambdDlg = new LambdDlg(this,sim,false);
	}
	
	updatePanelUI();

    }

    
    private void updatePanelUI(){
	setlambdBox.setSelected(setlambd);
	lambdField.setText(""+lambd);
	lambdField.setEnabled(setlambd);
	inferlambdBox.setSelected(inferlambd);
	lambdButton.setEnabled(inferlambd);
    }

    
    public void actionPerformed(ActionEvent event){
	
	String cmd = event.getActionCommand();
	
	if(cmd.equals("Default")){
	    reset();
	    return;
	}
		    
	if(cmd.equals("ok")){
	    if(!validateData())
		return;
	    buttonHit = JOptionPane.OK_OPTION;
	    setVisible(false);
	}
	if(cmd.equals("cancel")){
	    buttonHit = JOptionPane.CANCEL_OPTION;
	    reset();
	    setVisible(false);
	}
		    
	if(cmd.equals("setlambd")){
	    if(!setlambd){
		setlambd = true;
		inferlambd=false;
	    }
	    updatePanelUI();
	    return;
	}
	
	if(cmd.equals("inferlambd")){
	    if(!inferlambd){
		inferlambd = true;
		setlambd = false;
		lambd = 1.0f;
	    }
	    updatePanelUI();
	    return;
	}
	
	if(cmd.equals("lambdbutton")){
	    if(lambdDlg == null)
		lambdDlg = new LambdDlg(this, sim,true); 
	    lambdDlg.showDialog();
	    return;
	}	
	
	
    }
    
     
    public int showDialog(){
	setModal(true);
	pack();
	super.show();
	return buttonHit;
    }
    
     
    
    public void reset(){
	setlambd = true;
	inferlambd = false;
	lambd = 1.0f;
	updatePanelUI();
    }
    
    public boolean validateData() {
	
	String errString = ""; 
	if(setlambd){
	    String tmp = lambdField.getText();
	    try {
		lambd = Float.parseFloat(tmp);
	    }catch (NumberFormatException e){
		errString += new String("\nLambda Must be a Real Number");
	    }
	}
	
	if(errString.compareTo("")!=0){
	    String prefix = "Errors:\n";
	    errString = prefix.concat(errString);
	    errString += new String("\n\n");
	    JOptionPane.showMessageDialog(this,
					  errString,
					  "errors",
					  JOptionPane.ERROR_MESSAGE);
	    return false;
	}
	
	
	return true;
	
    }
    
    
    public void updateData() {
	
	sim.INDIFQSETLAMBDA = setlambd;
	sim.INDIFQINFERLAMBDA = inferlambd;
	
	if(setlambd)
	    sim.LAMBDA = lambd;
	if(inferlambd){
	    if(lambdDlg == null){
		sim.LAMBDA = 1.0f;
		sim.POPSPECIFICLAMBDA = false; 
	    } else 
		lambdDlg.updateData();
	}
	
    }
    

	
    
	 
}