import java.awt.*;
import javax.swing.*;
public class Demo1GUIMain  extends JFrame {

private String[] songs = {
	"Drive My Car -Beatles",
	"Kid Charlemagne -Steely Dan",
	"This Love - Maroon 5",
	"Soul Meets Body -Death Cab for Cutie",
	"Float On - Modest Mouse",
	"Feelings - Gemini",
	"Stayin' Alive -Bee Gees",
	"Doctor My Eyes - Jackson Browne",
	"Peaceful Easy Feeling - The Eagles",
	"Spooky - Classics IV",
	"Tush - ZZ-top",
	"Who's Been Talking - Howlin Wolf"


};

     //constants for volumne slider
     final   int MINIMUM_VOLUME = 0;
     final   int MAXIMUM_VOLUME = 11;
     final   int INITIAL_VOLUME = 3;

     //Panel dimensions for main window
     int PANEL_WIDTH = 500; //width of the main window panel
     int PANEL_HEIGHT = 300;  //height of the main window panel


	public Demo1GUIMain(String title) {
    	super(title);

        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setResizable(false); //make window non-resizeable
        getContentPane().setLayout(null); //use no layout management
        getContentPane().setPreferredSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
        pack();  //set window size to fit content pane



        System.out.println("CONTENT PANE WIDTH:" + getContentPane().getWidth());
        System.out.println("CONTENT PANE HEIGHT:" + getContentPane().getHeight());


        //constants useful for layout
        int BUTTON_WIDTH = 80;
        int BUTTON_HEIGHT = 80;
        int VOLUME_SLIDER_WIDTH = 100;
        int VOLUME_SLIDER_HEIGHT = PANEL_HEIGHT;

        Font buttonLabelFont = new Font("SansSerif", Font.BOLD, 20);
        Color buttonColor = new Color(0,0,0);

        System.out.println("PANEL_WIDTH " + PANEL_WIDTH);
        System.out.println("PANEL_HEIGHT " + PANEL_HEIGHT);

        //Add the components to the frame's panel,
        JList songList = new JList(songs);
        songList.setSize(PANEL_WIDTH*2/3,PANEL_HEIGHT-200);
        songList.setLocation(0,0);
        this.getContentPane().add(songList);
        //add(songList); also works


        JButton playButton = new JButton(new ImageIcon("play.gif"));
        playButton.setFont(buttonLabelFont);
        playButton.setBackground(buttonColor);
        playButton.setLocation(0,PANEL_HEIGHT - BUTTON_HEIGHT); //set location of component
        playButton.setSize(BUTTON_WIDTH,BUTTON_HEIGHT); //set width and height of component
        this.getContentPane().add(playButton);  //add component to content pane
        //add(playButton); //also works


        JSlider volumeSlider = new JSlider(JSlider.VERTICAL,
                  MINIMUM_VOLUME, MAXIMUM_VOLUME, INITIAL_VOLUME);
        volumeSlider.setLocation(PANEL_WIDTH-VOLUME_SLIDER_WIDTH,0);
        volumeSlider.setSize(VOLUME_SLIDER_WIDTH,VOLUME_SLIDER_HEIGHT);

        //Turn on labels at major tick marks.
        volumeSlider.setMajorTickSpacing(5);
        volumeSlider.setMinorTickSpacing(1);
        volumeSlider.setPaintTicks(true);
        volumeSlider.setPaintLabels(true);

        this.getContentPane().add(volumeSlider); //add volume slider to panel


	}

	public static void main(String args[]) {
    	Demo1GUIMain frame = new Demo1GUIMain("ROCK-OLA Media Player"); //create the window
        frame.setVisible(true);  //show the window
	}
}