pushPanel.add(disabledPushButton);
// Add a normal ToggleButton
ToggleButton normalToggleButton = new ToggleButton(
new Image(Showcase.images.gwtLogo()));
normalToggleButton.ensureDebugId("cwCustomButton-toggle-normal");
togglePanel.add(normalToggleButton);
// Add a disabled ToggleButton
ToggleButton disabledToggleButton = new ToggleButton(
new Image(Showcase.images.gwtLogo()));