public static void sendAfterChildrenChangedEvent(
@NotNull PsiManagerImpl manager,
@NotNull PsiFile scope,
int oldLength,
boolean isGenericChange) {
if (!scope.isPhysical()) {
manager.afterChange(false);
return;
}
PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
event.setParent(scope);
event.setFile(scope);
event.setOffset(0);
event.setOldLength(oldLength);
event.setGenericChange(isGenericChange);
manager.childrenChanged(event);
}
public static void sendBeforeChildrenChangeEvent(
@NotNull PsiManagerImpl manager, @NotNull PsiElement scope, boolean isGenericChange) {
if (!scope.isPhysical()) {
manager.beforeChange(false);
return;
}
PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
event.setParent(scope);
event.setFile(scope.getContainingFile());
TextRange range = scope.getTextRange();
event.setOffset(range == null ? 0 : range.getStartOffset());
event.setOldLength(scope.getTextLength());
// the "generic" event is being sent on every PSI change. It does not carry any specific info
// except the fact that "something has changed"
event.setGenericChange(isGenericChange);
manager.beforeChildrenChange(event);
}