@Override
protected void onStart() {
offsetHeight = curPanel.getOffsetHeight();
offsetWidth = curPanel.getOffsetWidth();
curPanel.getElement().getStyle().setProperty("overflow", "hidden");
super.onStart();
}
// Fade out the "Loading application" pop-up
private void hideLoadingPopup() {
final Element e = RootPanel.get("loading").getElement();
Animation r =
new Animation() {
@Override
protected void onUpdate(double progress) {
e.getStyle().setOpacity(1.0 - progress);
}
@Override
protected void onComplete() {
e.getStyle().setVisibility(Visibility.HIDDEN);
}
};
r.run(500);
}
/////////////////////////////////////////////////////////////////////////////////////////
// METHODS
/////////////////////////////////////////////////////////////////////////////////////////
public void fade(final int duration, final double targetOpacity) {
double theTargetOpacity = 0.0;
if (targetOpacity > 1.0) {
theTargetOpacity = 1.0;
} else if (targetOpacity < 0.0) {
theTargetOpacity = 0.0;
} else {
theTargetOpacity = targetOpacity;
}
_targetOpacity = theTargetOpacity;
String opacityStr = _element.getStyle().getOpacity();
try {
_baseOpacity = new BigDecimal(opacityStr).doubleValue();
_opacityIncrement = targetOpacity - _baseOpacity;
super.run(duration);
} catch (NumberFormatException nfEx) {
this.onComplete(); // set opacity directly
}
}
@Override
protected void onComplete() {
super.onComplete();
_element.getStyle().setOpacity(_targetOpacity);
}
@Override
protected void onStart() {
super.onStart();
startButton.setEnabled(false);
cancelButton.setEnabled(true);
}
@Override
public void cancel() {
isCancelled = true;
super.cancel();
}