58 lines
2.7 KiB
Java
58 lines
2.7 KiB
Java
package Jcd; // -- Listing-3 -- Controls.java// 1
|
|
// 2
|
|
import java.io.*; // 3
|
|
import java.util.*; // 4
|
|
import java.awt.*; // 5
|
|
import java.awt.event.*; // 6
|
|
// 7
|
|
import Jcd.SmartDrive; // 8
|
|
import Jcd.Monitor; // 9
|
|
// 10
|
|
class Controls // 11
|
|
extends Panel
|
|
implements ActionListener {
|
|
// 12
|
|
// Control panel, buttons: play, stop, eject ...
|
|
// 14
|
|
private SmartDrive cdPlayer; // 15
|
|
// 16
|
|
private Button play = new Button("Play"); // 17
|
|
private Button pause = new Button("Pause");// 18
|
|
private Button stop = new Button("Stop"); // 19
|
|
private Button next = new Button("Next"); // 20
|
|
private Button prev = new Button("Prev"); // 21
|
|
private Button eject = new Button("Eject");// 22
|
|
// 23
|
|
public Controls(SmartDrive drive) // 24
|
|
{ // 25
|
|
cdPlayer = drive; // 26
|
|
setLayout(new GridLayout(1, 6, 2, 2)); // 27
|
|
add(play); add(stop); add(pause); // 28
|
|
add(prev); add(next); add(eject);
|
|
} // 29
|
|
// 30
|
|
private void add(Button b) { // 31
|
|
b.addActionListener(this); // 32
|
|
super.add(b); // 33
|
|
} // 34
|
|
// 35
|
|
public void actionPerformed(ActionEvent event) {
|
|
try { // 37
|
|
Object source = event.getSource(); // 38
|
|
// 39
|
|
if (source == play) cdPlayer.startPlaying();
|
|
else if (source == stop) cdPlayer.stop();
|
|
else if (source == next) cdPlayer.next();
|
|
else if (source == prev) cdPlayer.prev();
|
|
else if (source == pause)
|
|
cdPlayer.togglePause();
|
|
else if (source == eject) cdPlayer.eject();
|
|
} // 45
|
|
catch (DriveException except) { // 46
|
|
System.out.println("Exception " + except);
|
|
} // 48
|
|
} // 49
|
|
// 50
|
|
} // 51
|
|
// 52
|