/**
* Replaces the button icon <b>but</b> does not save icon reference into parent {@code icon}
* attribute.
*
* @param icon The button icon to display.
*/
private void replaceIcon(final AbstractImagePrototype icon) {
if (rendered) {
El oldIcon = buttonEl.selectNode("." + baseStyle + "-image");
if (oldIcon != null) {
oldIcon.remove();
el().removeStyleName(baseStyle + "-text-icon", baseStyle + "-icon", baseStyle + "-noicon");
}
el().addStyleName(
(icon != null
? (!Util.isEmptyString(html)
? " " + baseStyle + "-text-icon"
: " " + baseStyle + "-icon")
: " " + baseStyle + "-noicon"));
Element e = null;
if (icon != null) {
e = (Element) icon.createElement().cast();
Accessibility.setRole(e, "presentation");
fly(e).addStyleName(baseStyle + "-image");
buttonEl.insertFirst(e);
El.fly(e).makePositionable(true);
}
autoWidth();
alignIcon(e);
}
}
/**
* Sets the item's icon.
*
* @param icon the icon
*/
public void setIcon(AbstractImagePrototype icon) {
this.icon = icon;
if (rendered) {
El node = el().selectNode(".x-tab-image");
if (node != null) {
node.remove();
}
if (icon != null) {
Element e = icon.createElement().cast();
e.setClassName("x-tab-image");
el().appendChild(e);
}
el().setStyleName("x-tab-with-icon", icon != null);
}
}