package Gui.Wizard;
	

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


public class Wizard_4 extends JDialog { 
    
    private int buttonHit;
    private JCheckBox b1,b2,b3,b4,b5,b6;
    private JTextField numfield;
    private WizardController controller;
    
    private JButton dataButton;
    
    boolean usePopId, useIndLabel, useExtraCol, usePopFlag, usePheno,useLocData;
   
    
    public Wizard_4(Frame parent, WizardController controller){
	super(parent, "Step 4 of 4 - Project Wizard" , true );
	
	this.controller = controller;
	
	setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
	buttonHit = JOptionPane.CLOSED_OPTION;
	GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();

	JLabel dlglabel = new JLabel("       Step 4 of 4: Format of input data set (cont'd)");
	JPanel topPanel= new JPanel();
	topPanel.setLayout(new BorderLayout());
	topPanel.add("Center",dlglabel);
	topPanel.setPreferredSize(new Dimension(500,25));
	

	JLabel label = new JLabel("Please check box if data file contains following column(s):");
	//
	// Make the format option check list
	//
	
      
	
	// Create the check boxes
	b1 = new JCheckBox("Individual ID for each individual"); 
        b1.setSelected(false);
	
	b2 = new JCheckBox("Putative population origin for each individual"); 
        b2.setSelected(false);
		
	b3 = new JCheckBox("USEPOPINFO selection flag");
	b3.setSelected(false);
	
       
	b6 = new JCheckBox("Sampling location information");
	b6.setSelected(false);


	b5 = new JCheckBox("Phenotype information ");
	b5.setSelected(false);
	
	b4 = new JCheckBox("Other extra columns"); 
	b4.setSelected(false);
	
     
	// Register a listener for the check boxes.
	CheckBoxListener listener = new CheckBoxListener();
	b1.addItemListener(listener);
	b2.addItemListener(listener);
	b3.addItemListener(listener);
	b4.addItemListener(listener);
	b5.addItemListener(listener);
	b6.addItemListener(listener);
	
	numfield = new JTextField(3);
	numfield.setEnabled(false);
	JLabel colLabel = new JLabel("Number of Extra Columns: ");
	JPanel numPanel = new JPanel();
	//numPanel.setLayout(new FlowLayout());
	numPanel.add(colLabel);
	numPanel.add(numfield);

	JPanel checkPanel = new JPanel();	
	checkPanel.setLayout(new GridLayout(0, 1));
	checkPanel.add(label);
	checkPanel.add(b1);
	checkPanel.add(b2);
	checkPanel.add(b3);
	checkPanel.add(b6);
	checkPanel.add(b5);
	checkPanel.add(b4);
	checkPanel.add(numPanel);

	checkPanel.setPreferredSize(new Dimension(500,240));
	checkPanel.setMaximumSize(new Dimension(500,240));
	
	JPanel formatPanel = new JPanel();
	formatPanel.setLayout(gridbag);
	c.gridx = 0;
        c.gridy = 0;
	c.insets = new Insets(0,20,0,0);
	gridbag.setConstraints(checkPanel, c);
	formatPanel.add(checkPanel);
	formatPanel.setPreferredSize(new Dimension(500,240));

	dataButton = new JButton("Show data file format");
	dataButton.setActionCommand("datainfo");
	dataButton.addActionListener(controller);
	JPanel pd = new JPanel();
	pd.add(dataButton);
	JPanel  dataPanel = new JPanel();
	dataPanel.setLayout(new BorderLayout());
	dataPanel.add(pd, BorderLayout.CENTER);
	dataPanel.setPreferredSize(new Dimension(500,50));
	
	JButton prevButton = new JButton("<<Back");
	prevButton.setActionCommand("w4_back");
	prevButton.addActionListener(controller);
	JButton finButton = new JButton("Finish");
	finButton.setActionCommand("finish");
	finButton.addActionListener(controller);
	JButton cancelButton = new JButton("Cancel");
	cancelButton.setActionCommand("w4_cancel");
	cancelButton.addActionListener(controller);
	JPanel buttonPanel = new JPanel();
	buttonPanel.setLayout(new GridLayout(1,3));	
	buttonPanel.add(prevButton);
	buttonPanel.add(finButton);
	buttonPanel.add(cancelButton);

	JPanel bottomPanel = new JPanel();
	bottomPanel.add(buttonPanel);
	bottomPanel.setPreferredSize(new Dimension(500,75));

	getContentPane().setLayout(gridbag);
	c.fill = GridBagConstraints.HORIZONTAL;
	c.gridx = 0;
	c.gridy = 0;
        gridbag.setConstraints(topPanel, c);
	getContentPane().add(topPanel);
	
	
	c.gridx = 0;
        c.gridy = 1;	
        gridbag.setConstraints(formatPanel, c);
	getContentPane().add(formatPanel);
       
        c.gridy = 2;
	gridbag.setConstraints(dataPanel, c);
	getContentPane().add(dataPanel);
	
	c.gridy = 3;
        gridbag.setConstraints(bottomPanel, c);
	getContentPane().add(bottomPanel);
	addWindowListener(controller);

    }
    

    class CheckBoxListener implements ItemListener {
	public void itemStateChanged(ItemEvent e) {
	   
	    Object source = e.getItemSelectable();	    
	    int index;
	    boolean val= true;
	    
	    if (e.getStateChange() == ItemEvent.DESELECTED)
		val = false;

	    if (source == b1) {
		useIndLabel = val;
	    } else if (source == b2){
		usePopId = val;
	    } else if (source == b4){   
		useExtraCol = val;
		// TODO: if val is true enable the text field
	    }else if(source == b3){
		usePopFlag = val;
	    }else if(source == b5){
		usePheno = val;
	    }else if(source == b6){
		useLocData = val;
	    }
	    
	    numfield.setEnabled(useExtraCol);
	    if(!useExtraCol)
		numfield.setText("");
        }
    }

    
	

    public int showDialog(){
	
	if(controller.getDataFile()==null)
	    dataButton.setEnabled(false);
	else 
	    dataButton.setEnabled(true);
	
	
	setModal(true);
	pack();
	super.show();
	return buttonHit;
	
    }
    
    public boolean getIndLabel(){
	return useIndLabel;
    }

    public boolean getPopId(){
	return usePopId;
    }

    public boolean getPopFlag(){
	return usePopFlag;
    }

    public boolean getPheno(){
	return usePheno;
    }

    public boolean getLocData(){
	return useLocData;
    }

    public String getExtraCols(){
	if(useExtraCol == false || numfield.getText() == null)
	    return null;
	else {
	    //TODO: string transfer ... 
	    return numfield.getText();
	}
    }

    
  
}