private void addUndefinedCriteria(Criteria theCriteria, boolean theAndFlag) {
CoreArgCheck.isNotNull(theCriteria); // should not be calling if null
Object newSelection = StructuredSelection.EMPTY;
if (theCriteria instanceof CompoundCriteria) {
CompoundCriteria criteria = (CompoundCriteria) theCriteria;
criteria.addCriteria((Criteria) null);
refresh(true);
newSelection = contentProvider.getChildAt((criteria.getCriteriaCount() - 1), criteria);
} else if (theCriteria instanceof NotCriteria) {
// the contained Criteria must be a CompoundCriteria
addUndefinedCriteria(((NotCriteria) theCriteria).getCriteria(), theAndFlag);
} else if (theCriteria instanceof PredicateCriteria) {
CompoundCriteria compoundCriteria = new CompoundCriteria();
compoundCriteria.setOperator((theAndFlag) ? CompoundCriteria.AND : CompoundCriteria.OR);
compoundCriteria.addCriteria(theCriteria);
compoundCriteria.addCriteria((Criteria) null);
// modify parent here
LanguageObject parent = (LanguageObject) contentProvider.getParent(theCriteria);
int index = contentProvider.getChildIndex(theCriteria);
if (parent == null) {
setLanguageObject(compoundCriteria);
refresh(true);
// select undefined criteria
newSelection = contentProvider.getChildAt(1, contentProvider.getRoot());
expandToLevel(newSelection, ALL_LEVELS);
} else if ((parent instanceof NotCriteria) || (parent instanceof CompoundCriteria)) {
CompoundCriteria criteria = null;
if (parent instanceof NotCriteria) {
// then NotCriteria's contained criteria must be a CompoundCriteria
criteria = (CompoundCriteria) ((NotCriteria) theCriteria).getCriteria();
} else {
criteria = (CompoundCriteria) parent;
}
List crits = criteria.getCriteria();
crits.set(index, compoundCriteria);
refresh(true);
// select undefined criteria
newSelection = contentProvider.getChildAt(1, compoundCriteria);
} else {
CoreArgCheck.isTrue(
false,
Util.getString(
PREFIX + "unexpectedType", // $NON-NLS-1$
new Object[] {"addUndefinedCriteria", parent.getClass()})); // $NON-NLS-1$
}
}
// select appropriate tree item
final Object selection = newSelection;
Display.getDefault()
.asyncExec(
new Runnable() {
public void run() {
setSelection(new StructuredSelection(selection));
}
});
}
