import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JComboBox; // black, red, blue, green, orange


 public class WholePanel extends JPanel
{
 private Color currentColor;
 private CanvasPanel canvas;
 private JPanel leftPanel, buttonPanel, main;
 private JButton undo, clear;
 private ArrayList rectList;
 private JComboBox comboBox;
 private String [] cList= {"black", "red", "blue", "green", "orange"};
 Point p;

 public class Rectangle
{
   private int x1;
   private int y1;
   private int width;
   private int height;
   private Color color;


  }
   public void Rectangle(int x1, int y1, int width1, int height1, Color        color)
   {
   x1=0;
   y1=0;
   width1 = 0;
   height1 = 0;
   color = new Color(height1);

 }

 public void draw(Graphics page){
    }
    public void fillRect(int x1, int y1, int hieght1, int width1){

    }
    public void drawLine(int x1, int y1, int x2, int y2){

    }

  public WholePanel()
 {
  //default color to draw is black
  currentColor = Color.BLACK;
  rectList = new ArrayList();

  undo = new JButton ("Undo");
  clear = new JButton("Clear");
 // undo.addActionListener(new ButtonListener());
  //clear.addActionListener(new ButtonListener());

  comboBox= new JComboBox(cList);
  String selectedString = (String) comboBox.getSelectedItem();

  main= new JPanel(new GridLayout(5,1));
  p=null;

  buttonPanel = new JPanel(new GridLayout(2,1));
  buttonPanel.add(undo);
  buttonPanel.add(clear);

  leftPanel= new JPanel();
  leftPanel.setLayout(new BoxLayout(leftPanel, BoxLayout.Y_AXIS));
  leftPanel.add(main);
  leftPanel.add(buttonPanel);
  leftPanel.add(comboBox);

  canvas = new CanvasPanel();
  canvas.setBackground(Color.white);
 // canvas.addMouseListener(new PointListener());
  //canvas.addMouseMotionListener(new PointListener());

  JSplitPane sp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel, canvas);

  setLayout(new BorderLayout());
  add(sp);

}


    //ButtonListener defined actions to take in case
    //"Undo", or "Clear" is chosen.
    private class ButtonListener implements ActionListener
        {
            public void actionPerformed (ActionEvent event)
            {

      //needs to be filled
                /*if(!rectList.isEmpty())
                {
                    rectList.remove(rectList.size()-1);
                    canvas.repaint();*/


        if (event.getActionCommand().equals("Undo"))
        {
            int size = rectList.size();
            if (size >=1)
            {
                rectList.remove(size-1);
                canvas.repaint();
            }
        }
        else
        {
            if(rectList.size() >=1)
            {
                rectList.clear();
                canvas.repaint();
            }
        }
            }

}
}