// timer for GeoGebraExam
private FlowPanel getTimer() {
final Label timer = new Label();
timer.getElement().setClassName("timer");
timer.getElement().setId("timer");
timer.getElement().setPropertyBoolean("started", false);
// https://groups.google.com/forum/#!msg/google-web-toolkit/VrF3KD1iLh4/-y4hkIDt5BUJ
AnimationScheduler.get()
.requestAnimationFrame(
new AnimationCallback() {
@Override
public void execute(double timestamp) {
if (app.getExam().isCheating()) {
makeRed(getElement());
}
timer.setText(app.getExam().timeToString(System.currentTimeMillis()));
AnimationScheduler.get().requestAnimationFrame(this);
}
});
visibilityEventMain();
FlowPanel fp = new FlowPanel();
fp.add(timer);
Image info = new Image(GuiResourcesSimple.INSTANCE.dialog_info().getSafeUri());
fp.add(info);
info.getElement().getStyle().setMarginLeft(5, Unit.PX);
fp.addDomHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
app.showMessage(app.getExam().getLog(app.getLocalization()));
}
},
ClickEvent.getType());
return fp;
}
