1 | import jcontrol.ui.wombat.Button; |
2 | import jcontrol.ui.wombat.Container; |
3 | import jcontrol.ui.wombat.Frame; |
4 | import jcontrol.ui.wombat.Label; |
5 | import jcontrol.ui.wombat.event.ActionEvent; |
6 | import jcontrol.ui.wombat.event.ActionListener; |
7 | |
8 | /** |
9 | * <p>This example demonstrates how to handle |
10 | * events within the GUI framework JControl/Wombat. |
11 | * This program needs the image resource |
12 | * 'mouse.jcif'.</p> |
13 | * |
14 | * <p>(C) DOMOLOGIC Home Automation GmbH 2003-2005</p> |
15 | */ |
16 | public class WombatEventHandlingExample |
17 | extends Frame implements ActionListener { |
18 | // the Label |
19 | Label label; |
20 | // the right Button |
21 | Button button_right; |
22 | |
23 | /** |
24 | * Create two buttons and a label and add an ActionListener. |
25 | */ |
26 | public WombatEventHandlingExample() { |
27 | // create the Buttons |
28 | Button b1 = new Button("Left Button", 2, 10, 60, 13); |
29 | button_right = new Button("Right Button", 66, 10, 60, 13); |
30 | |
31 | // add the ActionListener |
32 | b1.setActionListener(this); |
33 | button_right.setActionListener(this); |
34 | |
35 | // create a content pane |
36 | Container content = new Container(); |
37 | this.setContent( content); |
38 | |
39 | // add the Buttons to the Frame |
40 | content.add(b1); |
41 | content.add(button_right); |
42 | |
43 | // create the Label |
44 | label = new Label("Please press a button!", 0, 30, 128, 10, |
45 | Label.STYLE_ALIGN_CENTER); |
46 | content.add(label); |
47 | } |
48 | |
49 | /** |
50 | * This is the event handler. When a component fires an |
51 | * ActionEvent for us, this method is invoked. |
52 | */ |
53 | public void onActionEvent(ActionEvent event) { |
54 | // check whether this is a BUTTON_PRESSED event |
55 | if (event.type == ActionEvent.BUTTON_PRESSED) { |
56 | |
57 | // recognize event's source by using getActionCommand() |
58 | if ( "Left Button".equals(event.command)) |
59 | label.setText("You pressed the left button!"); |
60 | |
61 | // recognize event's source by using getSource() |
62 | if (event.source == button_right) |
63 | label.setText("The right button was hit!"); |
64 | } |
65 | } |
66 | |
67 | /** |
68 | * Instantiate and show the main frame. |
69 | */ |
70 | public static void main(String[] args) { |
71 | new WombatEventHandlingExample().setVisible(true); |
72 | } |
73 | } |