protected static void handleGeneratorImageDelta(IExtensionDelta delta) {
if (imageRegistry == null) // not loaded yet
return;
IConfigurationElement[] cf = delta.getExtension().getConfigurationElements();
if (delta.getKind() == IExtensionDelta.ADDED) loadGeneratorImages(cf);
else {
int size = cf.length;
for (int i = 0; i < size; i++) {
String typeId = cf[i].getAttribute("typeIds");
imageRegistry.remove(typeId);
imageDescriptors.remove(typeId);
}
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.IRegistryChangeListener#registryChanged(org.eclipse.core.runtime.IRegistryChangeEvent)
*/
public void registryChanged(final IRegistryChangeEvent event) {
Display display = Display.getDefault();
if (part != null) {
display = part.getSite().getPage().getWorkbenchWindow().getWorkbench().getDisplay();
}
// check the delta to see if there are any viewer contribution changes. if so, null our builder
// to cause reparsing on the next menu show
IExtensionDelta[] deltas = event.getExtensionDeltas();
for (int i = 0; i < deltas.length; i++) {
IExtensionDelta delta = deltas[i];
IExtensionPoint extensionPoint = delta.getExtensionPoint();
if (extensionPoint.getContributor().getName().equals(WorkbenchPlugin.PI_WORKBENCH)
&& extensionPoint
.getSimpleIdentifier()
.equals(IWorkbenchRegistryConstants.PL_POPUP_MENU)) {
boolean clearPopups = false;
IConfigurationElement[] elements = delta.getExtension().getConfigurationElements();
for (int j = 0; j < elements.length; j++) {
IConfigurationElement element = elements[j];
if (element.getName().equals(IWorkbenchRegistryConstants.TAG_VIEWER_CONTRIBUTION)) {
clearPopups = true;
break;
}
}
if (clearPopups) {
display.syncExec(
new Runnable() {
public void run() {
clearStaticActions();
}
});
}
}
}
}