package Gui;

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

public class RemoveSimDlg extends JDialog implements ActionListener{ 
    
    private int buttonHit;
    private JList all, select;
    private JButton leftButton, rightButton, okButton, cancelButton;
    private DefaultListModel allModel, selectModel;

    public RemoveSimDlg(String[] list){
	setTitle("Remove Simulation");
	allModel = new DefaultListModel();
        for(int i =0;i<list.length;i++)
	    allModel.addElement(list[i]);
	all = new JList(allModel);
	// use the default selection model	
	
	JScrollPane leftPane = new JScrollPane(all);
	leftPane.setPreferredSize(new Dimension(180,250));
	
	
	selectModel = new DefaultListModel();	
	select = new JList(selectModel);
        JScrollPane rightPane = new JScrollPane(select);
	rightPane.setPreferredSize(new Dimension(180,250));
	
	leftButton = new JButton(new ImageIcon("images/left.gif"));
	rightButton = new JButton(new ImageIcon("images/right.gif"));
	leftButton.setActionCommand("left");
	JPanel b1 = new JPanel();
	b1.add(leftButton);
	rightButton.setActionCommand("right");
	leftButton.addActionListener(this);
	rightButton.addActionListener(this);
	JPanel b2 = new JPanel();
	b2.add(rightButton);

	JPanel p1 = new JPanel();
	p1.setLayout(new GridLayout(0,1));
	p1.add(b1);
	p1.add(b2);
	JPanel p2 = new JPanel();
	p2.add("Center",p1);
	p2.setPreferredSize(new Dimension(40,250));

	JPanel upPane = new JPanel();
	upPane.add(leftPane);
       	upPane.add(p1);
	upPane.add(rightPane);

	// Buttons
	
	okButton = new JButton("   OK  ");
	okButton.setActionCommand("ok");
	okButton.addActionListener(this);
	cancelButton = new JButton("Cancel ");      
	cancelButton.setActionCommand("cancel");
	cancelButton.addActionListener(this);
	JPanel buttonPane = new JPanel();
	buttonPane.add(okButton);
	buttonPane.add(cancelButton);
	

	JLabel top = new JLabel(" All Simulations                      Simulations to be Removed ");
	JPanel topPane = new JPanel();
	topPane.add(top);
	getContentPane().add("North", topPane);
	getContentPane().add("Center",upPane);
	getContentPane().add("South", buttonPane);
    }

    public void actionPerformed(ActionEvent event){
	String action = event.getActionCommand();
	if(action.equals("right")){
	    int[] items = all.getSelectedIndices();
	    for(int i=0;i<items.length;i++)
		selectModel.addElement(allModel.elementAt(items[i]));
	    for(int i=items.length-1;i>=0;i--)
		allModel.remove(items[i]);
	}

	if(action.equals("left")){
	    int[] items = select.getSelectedIndices();
	    for(int i=0;i<items.length;i++)
		allModel.addElement(selectModel.elementAt(items[i]));
	    for(int i=items.length-1;i>=0;i--)
		selectModel.remove(items[i]);
	}
	
	if(action.equals("ok")){
	    buttonHit = JOptionPane.OK_OPTION;
	    setVisible(false);
	}
	   
	if(action.equals("cancel")){
	    buttonHit = JOptionPane.CANCEL_OPTION;
	    setVisible(false);
	}

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

    public Object[] getSelectedList(){
	return selectModel.toArray();
    }
    

}