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);
}