private ArrayList getPerspectiveExtensionActionSets() {
PerspectiveExtensionReader reader = new PerspectiveExtensionReader();
reader
.setIncludeOnlyTags(new String[] { IWorkbenchRegistryConstants.TAG_ACTION_SET });
PageLayout layout = new PageLayout();
reader.extendLayout(null, descriptor.getOriginalId(), layout);
return layout.getActionSets();
}
/**
* Returns the Show In... part ids read from the registry.