public int compare(Object o1, Object o2) {
if (o1 == o2) return 0;
o1 = TngUtil.unwrap(o1);
o2 = TngUtil.unwrap(o2);
if (o1 instanceof PluginUIPackagesItemProvider && o2 instanceof MethodPlugin) {
return -1;
}
if (o1 instanceof MethodPlugin && o2 instanceof PluginUIPackagesItemProvider) {
return 1;
}
boolean usePresName = PresentationContext.INSTANCE.isShowPresentationNames();
String s1 = null;
String s2 = null;
if (usePresName && o1 instanceof DescribableElement) {
s1 = ((DescribableElement) o1).getPresentationName();
} else if (o1 instanceof MethodElement) {
s1 = ((MethodElement) o1).getName();
} else if (o1 instanceof PluginUIPackagesItemProvider) {
s1 = ((PluginUIPackagesItemProvider) o1).getFullName();
} else if (o1 instanceof String) {
s1 = (String) o1;
}
if (usePresName && o2 instanceof DescribableElement) {
s2 = ((DescribableElement) o2).getPresentationName();
} else if (o2 instanceof MethodElement) {
s2 = ((MethodElement) o2).getName();
} else if (o2 instanceof PluginUIPackagesItemProvider) {
s2 = ((PluginUIPackagesItemProvider) o2).getFullName();
} else if (o2 instanceof String) {
s2 = (String) o2;
}
if (s1 == null || s2 == null) {
return 0;
}
return s1.compareToIgnoreCase(s2);
}
/* (non-Javadoc)
* @see org.eclipse.epf.library.edit.util.Comparators.TypeComparator#getDefaultComparator()
*/
protected Comparator getDefaultComparator() {
return PresentationContext.INSTANCE.getPresNameComparator();
}