package Gui.Wizard;

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


public class Wizard_1 extends JDialog implements ActionListener{
  
    private int buttonHit;
    private JTextField name, location, dataFile;
    private WizardController controller;
    
    //startpoint of file chooser
    private File fc_dir1, fc_dir2;

    public Wizard_1(Frame parent, WizardController controller){
	super(parent, "Step 1 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();

	//
	// Create Content of the dialog
	//
	
	JLabel dlglabel = new JLabel("       Step 1 of 4: Project information ");
	JPanel topPanel= new JPanel();
	topPanel.setLayout(new BorderLayout());
	topPanel.add("Center",dlglabel);
	topPanel.setPreferredSize(new Dimension(500,25));
	
	JLabel namelabel = new JLabel("Name the project");	     
	name = new JTextField(10);
	JPanel pn = new JPanel();
	pn.add(name);
	// name.addActionListener(this);
	JPanel namePanel = new JPanel();
	namePanel.setLayout(new FlowLayout());
	namePanel.add(namelabel);
	namePanel.add(pn);


	JLabel locationlabel =new JLabel("Select directory"); 
	location = new JTextField(10);
	JPanel locationPanel = new JPanel();
	locationPanel.setLayout(new FlowLayout());
	JButton browseButton = new JButton("Browse ...");
	browseButton.setActionCommand("dir");
	browseButton.addActionListener(this);
	JPanel pb = new JPanel();
	pb.add(browseButton);

	JPanel pt = new JPanel();
	pt.add(location);

	JPanel ptb = new JPanel();
	ptb.add(pt);
	ptb.add(pb);

	locationPanel.add(locationlabel);
	locationPanel.add(ptb);
	//locationPanel.add(browseButton);

	
	JLabel fileLabel = new JLabel("Choose data file");
	dataFile = new JTextField(10);
	JPanel pd = new JPanel();
	pd.add(dataFile);
	
	
	JButton fileButton = new JButton("Browse ... ");
	fileButton.setActionCommand("file");
	fileButton.addActionListener(this);
	JPanel pf = new JPanel();
	pf.add(fileButton);
	
	JPanel pdf = new JPanel();
	pdf.add(pd);
	pdf.add(pf);

	JPanel filePanel = new JPanel();
	filePanel.setLayout(new FlowLayout());
	filePanel.add(fileLabel);
	filePanel.add(pdf);
	


	JPanel paraPane = new JPanel();
	paraPane.setLayout(gridbag);
	c.gridx = 0;
        c.gridy = 0;
	c.gridwidth= 1; 
	c.insets = new Insets(10,10,5,10);
	gridbag.setConstraints(namePanel, c);
	paraPane.add(namePanel);
	
	c.gridx = 0;
	c.gridy=1;
	c.gridwidth= 2; 
	c.insets = new Insets(0,10,5,10);
	gridbag.setConstraints(locationPanel,c);
	paraPane.add(locationPanel);
	
	c.gridx = 0;
	c.gridy = 2;
	c.gridwidth =2;
	gridbag.setConstraints(filePanel,c);
	paraPane.add(filePanel);
		
	paraPane.setPreferredSize(new Dimension(500,250));
	
	JButton nextButton = new JButton("Next>>");
	nextButton.setActionCommand("w1_next");
	nextButton.addActionListener(controller);
	JButton cancelButton = new JButton("Cancel ");
	cancelButton.setActionCommand("w1_cancel");
	cancelButton.addActionListener(controller);
	JPanel buttonPanel = new JPanel();


	buttonPanel.setLayout(new GridLayout(1,2));
	buttonPanel.add(nextButton);
	buttonPanel.add(cancelButton);
	
	JPanel bottomPanel = new JPanel();
	bottomPanel.add(BorderLayout.EAST, buttonPanel);
	bottomPanel.setPreferredSize(new Dimension(500,75));
	
	getContentPane().setLayout(gridbag);
	c.insets = new Insets(0,0,0,0);
	c.gridx = 0;
	c.gridy = 0;
	gridbag.setConstraints(topPanel, c);
	getContentPane().add(topPanel);

	c.gridy = 1;
	gridbag.setConstraints(paraPane,c);
	getContentPane().add(paraPane);

	c.gridy= 2;
	gridbag.setConstraints(bottomPanel,c);
	getContentPane().add(bottomPanel);
	
	addWindowListener(controller);

	
    }

    public int showDialog(){
	setModal(true);
	pack();
	super.show();
	return buttonHit;
    }

    public String getProjName(){
	return name.getText();
    }

    public String getProjDir(){
	return location.getText();
    }

    public String getDataFile(){
	return dataFile.getText();
    }

    public void actionPerformed(ActionEvent e) {
	
	final JFileChooser fc = new JFileChooser();
	fc.setApproveButtonText("Select");
	if((e.getActionCommand()).equals("dir")){
	    fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
	    fc.setCurrentDirectory(fc_dir1);
	    int returnVal = fc.showOpenDialog(this);
	    if (returnVal == JFileChooser.APPROVE_OPTION) {
		File file = fc.getSelectedFile();
		if(file.getParentFile()!=null)
		    fc_dir1 = file.getParentFile();
		//this is where a real application would open the file.
		location.setText(file.getAbsolutePath());
	    } 
	}else if((e.getActionCommand()).equals("file")){
	    fc.setCurrentDirectory(fc_dir2);
	    int returnVal = fc.showOpenDialog(this);
	    if (returnVal == JFileChooser.APPROVE_OPTION) {
		File file = fc.getSelectedFile();
		fc_dir2 = file.getParentFile();
		//this is where a real application would open the file.
		dataFile.setText(file.getAbsolutePath());
	    } 
	    
	}
	
    }
}