private void OnRemoveClause(ClauseViewModel clause) { clause.PropertyChanged -= OnClauseChanged; Clauses.Remove(clause); foreach (var c in Clauses) { c.IsFirst = Clauses.IndexOf(c) == 0; c.IsGrouped = false; } }
private void AddClause(int index) { var newClause = new ClauseViewModel(); newClause.PropertyChanged += OnClauseChanged; Clauses.Insert(index, newClause); foreach (var c in Clauses) { c.IsFirst = Clauses.IndexOf(c) == 0; c.IsGrouped = false; } }
private void OnAddClause(ClauseViewModel clause) { var index = Clauses.IndexOf(clause); AddClause(index + 1); }