/*
 * MakePanel_S7DQ2.java
 *
 * Created on April 21, 2007, 10:50 AM
 * By Joseph Shemeta for MSCSHR-JV-070308-01
 * SEM7DQ2
 *
 *2.  Write a program that allows the user to select a shape from a JComboBox
 *    and that then draws that shape 20 times with random locations and dimensions in method paint().
 *    The first item in the JComboBox should be the default shape that is displayed the first time paint() is called.
 *
 * MY BOOK NOTES:
 *         Page 398 Random lines
 *         Page 613 Shape info
 *         Page 544 JComboBox info
 *         Page 263 smiley face
 *         Page 214 "shapesPanel = new Shapes(0)" idea
 *
 */
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import java.awt.Color;
import javax.swing.JPanel;
import javax.swing.border.TitledBorder;


public class MakePanel_S7DQ2 extends JFrame{
    private JPanel allPanel;        //  panel to hold  all panels
    private JPanel comboPanel;      //  panel to hold the combo box
    private JPanel shapesPanel;     //panel to hold the shapes
    private JComboBox shapesComboBox;//make a combo box
    private String shapes[]=
    {"Lines", "Rectangle", "Rounded Rectangle", "3D Rectangle", "Oval"};//The shapes this makes

    /**
     * Creates a new instance of MakePanel_S7DQ2
     */
    public MakePanel_S7DQ2() {
        super("Enjoy....                                    (Hit the RED \"X\" to exit)");
        setLayout(new BorderLayout());

        ChangeHandler grabIT = new ChangeHandler(); //set up the ActionListener
        shapesPanel = new JPanel();    //panel to hold the shapes
        allPanel= new JPanel();        // set up a panel to hold all panels
        allPanel.setLayout( new BorderLayout() ); //set up layout

        comboPanel= new JPanel(); // set up a panel to hold the combo panel
        shapesComboBox = new JComboBox(shapes);
        shapesComboBox.setMaximumRowCount(5); //Show the five items
        shapesComboBox.addActionListener(grabIT);//Register the combo box
        comboPanel.add(shapesComboBox);//Add it to the panel

        shapesPanel = new Shapes(0);//Initial shape will be a Line

        allPanel.add(shapesPanel, BorderLayout.CENTER); //Add the shapes panel to the main panel
        allPanel.add(comboPanel, BorderLayout.SOUTH);   //Add the combo panel to the main panel
        add(allPanel);									//Add the main panel to the root panel

    }//END public MakePanel_S7DQ2


     public class  ChangeHandler  implements ActionListener{

        public void actionPerformed( ActionEvent event ){
           for(int count = 0; count < shapesComboBox.getMaximumRowCount(); count++){
                if ( count == shapesComboBox.getSelectedIndex() ) { //The count number comes from the user's choice
                    switch(count){

                        case 0:
                           remover(allPanel, shapesPanel);  //Remove the 'old' shape panel
                            shapesPanel = new Shapes(count);//Make a new shape panel per the 'count'
                           adder(allPanel, shapesPanel);    //Add it to the main panel
                        break;

                        case 1:
                           remover(allPanel, shapesPanel);
                            shapesPanel = new Shapes(count);
                           adder(allPanel, shapesPanel);
                        break;

                        case 2:
                           remover(allPanel, shapesPanel);
                            shapesPanel = new Shapes(count);
                           adder(allPanel, shapesPanel);
                        break;

                        case 3:
                           remover(allPanel, shapesPanel);
                            shapesPanel = new Shapes(count);
                           adder(allPanel, shapesPanel);
                        break;

                        case 4:
                           remover(allPanel, shapesPanel);
                            shapesPanel = new Shapes(count);
                           adder(allPanel, shapesPanel);
                        break;

                    }//END switch(count)
                }//END if ( count == shapesComboBox.getSelectedIndex() )
            }//END for(int count =
        }//END public void actionPerformed

        public void remover(JPanel hostPanel, JPanel childPanel){
            hostPanel.remove(childPanel); //Remove the child panel from the parent
        }//END test

         public void adder(JPanel hostPanel, JPanel childPanel){
            hostPanel.add(childPanel); //add the child panel from the parent
            hostPanel.validate();      //update the system
            repaint();                 //repaint the screen so we can see the new panel
        }//END test

    }//END public class  ChangeHandler

}//END public class MakePanel_S7DQ2