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package gjt.test;
import java.applet.Applet;
import java.awt.*;
import gjt.Box;
import gjt.ImageButton;
import gjt.ImageButtonEvent;
import gjt.SpringyImageButtonController;
import gjt.StickyImageButtonController;
/**
* 2 ImageButtons, one springy and the other sticky, both
* crabby.<p>
*
* Both ImageButtons come with an awt.Button that is used to
* enable/disable the ImageButton it's associated with.<p>
*
* ImageButtonEvents, along with mouse enter and mouse exit
* events for the two image buttons are printed out.<p>
*
* @version 1.0, Apr 25, 1996
* @author David Geary
* @see gjt.test.UnitTest
* @see gjt.ImageButton
* @see gjt.ImageButtonEvent
* @see gjt.SpringyImageButtonController
* @see gjt.StickyImageButtonController
*/
public class ImageButtonTest extends UnitTest {
public String title() {
return "ImageButton Test";
}
public Panel centerPanel() {
return new ImageButtonTestPanel(this);
}
}
class ImageButtonTestPanel extends Panel {
private ImageButton springyButton;
private Button springyButtonEnabler;
private ImageButton stickyButton;
private Button stickyButtonEnabler;
public ImageButtonTestPanel(Applet applet) {
Image image;
Box springyBox, stickyBox;
GridBagLayout gbl = new GridBagLayout();
GridBagConstraints gbc = new GridBagConstraints();
image =
applet.getImage(applet.getCodeBase(), "gifs/crab.gif");
springyButton = new ImageButton(image);
springyButtonEnabler = new Button ("Disable");
stickyButton = new ImageButton(image);
stickyButtonEnabler = new Button ("Disable");
stickyButton.setController(
new StickyImageButtonController(stickyButton));
setLayout(gbl);
gbc.anchor = GridBagConstraints.NORTH;
springyBox = new Box(springyButton, "Springy");
gbc.insets = new Insets(10,0,0,0);
gbl.setConstraints(springyBox, gbc); add(springyBox);
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.insets = new Insets(45,10,0,0);
gbl.setConstraints(springyButtonEnabler, gbc);
add(springyButtonEnabler);
gbc.anchor = GridBagConstraints.NORTH;
gbc.gridwidth = 1;
stickyBox = new Box(stickyButton, "Sticky");
gbc.insets = new Insets(10,0,0,0);
gbc.weighty = 1.0;
gbl.setConstraints(stickyBox, gbc); add(stickyBox);
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.insets = new Insets(45,10,0,0);
gbl.setConstraints(stickyButtonEnabler, gbc);
add(stickyButtonEnabler);
}
public boolean action(Event event, Object what) {
Button button = (Button)event.target;
String label = (String)what;
if(button == stickyButtonEnabler) {
if(label.equals("Disable")) stickyButton.disable();
else stickyButton.enable();
}
else {
if(label.equals("Disable")) springyButton.disable();
else springyButton.enable();
}
if(label.equals("Disable")) button.setLabel("Enable");
else button.setLabel("Disable");
return true;
}
public boolean handleEvent(Event event) {
boolean eventHandled = false;
if(event instanceof ImageButtonEvent) {
System.out.println("ImageButton " + event);
eventHandled = true;
}
if(event.id == Event.MOUSE_ENTER) {
if(event.target == stickyButton)
System.out.println("Sticky Button Entered");
else if(event.target == springyButton)
System.out.println("Springy Button Entered");
eventHandled = true;
}
if(event.id == Event.MOUSE_EXIT) {
if(event.target == stickyButton)
System.out.println("Sticky Button Exited");
else if(event.target == springyButton)
System.out.println("Springy Button Exited");
eventHandled = true;
}
if(eventHandled) return true;
else return super.handleEvent(event);
}
}
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