//********************************************************************
//  ButtonPanel.java     Author: Lewis and Loftus / Peter DePasquale
//
//  Refinement #1
//
//  Represents the primary panel of controls for PaintBox.
//********************************************************************

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

public class ButtonPanel extends JPanel
{
   private JRadioButton selectButton, lineButton, ovalButton;
   private JRadioButton rectButton, polyButton, colorButton;
   private JPanel strokeIndicator;

   //-----------------------------------------------------------------
   //  Sets up the panel of buttons.
   //-----------------------------------------------------------------
   public ButtonPanel ()
   {
      setLayout (new BoxLayout (this, BoxLayout.Y_AXIS));

      ButtonListener listener = new ButtonListener();

      ButtonGroup shapeGroup = new ButtonGroup();

      selectButton = new JRadioButton (new ImageIcon("select.gif"));
      selectButton.addActionListener (listener);
      selectButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      lineButton = new JRadioButton (new ImageIcon ("line.gif"));
      lineButton.addActionListener (listener);
      lineButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      ovalButton = new JRadioButton (new ImageIcon ("oval.gif"));
      ovalButton.addActionListener (listener);
      ovalButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      rectButton = new JRadioButton (new ImageIcon ("rect.gif"));
      rectButton.addActionListener (listener);
      rectButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      polyButton = new JRadioButton (new ImageIcon ("poly.gif"));
      polyButton.addActionListener (listener);
      polyButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      colorButton = new JRadioButton (new ImageIcon("color.gif"));
      colorButton.addActionListener (listener);
      colorButton.setAlignmentX (Component.CENTER_ALIGNMENT);

      shapeGroup.add (selectButton);
      shapeGroup.add (lineButton);
      shapeGroup.add (ovalButton);
      shapeGroup.add (rectButton);
      shapeGroup.add (polyButton);
      shapeGroup.add (colorButton);

      strokeIndicator = new JPanel();
      strokeIndicator.setMaximumSize (new Dimension(20, 10));
      strokeIndicator.setAlignmentX (Component.CENTER_ALIGNMENT);
      strokeIndicator.setBackground (Color.black);

      add (selectButton);
      add (Box.createRigidArea (new Dimension(1,10)));
      add (lineButton);
      add (ovalButton);
      add (rectButton);
      add (polyButton);
      add (Box.createRigidArea (new Dimension(1,10)));
      add (colorButton);
      add (strokeIndicator);
   }

   //*****************************************************************
   //  An inner class to handle button events.
   //*****************************************************************
   private class ButtonListener implements ActionListener
   {
      //--------------------------------------------------------------
      //  Responds to action events caused by buttons.
      //--------------------------------------------------------------
      public void actionPerformed (ActionEvent event)
      {
         // to be implemented
      }
   }
}