internal override void ReapplyReferences()
{
base.ReapplyReferences();
// Since the original column could have been deleted since the level was deleted, let's find the column by name:
var c = (Collection as LevelCollection).Hierarchy.MetadataObject.Table.Columns[MetadataObject.Column.Name];
MetadataObject.Column = c;
Hierarchy.FixLevelOrder(this, this.Ordinal);
}
protected override void OnPropertyChanging(string propertyName, object newValue, ref bool undoable, ref bool cancel)
{
if (propertyName == Properties.ORDINAL)
{
// No automatic handling of Ordinal changes. We will handle it manually in the hierarchy's FixLevelOrder() method.
cancel = true;
this.MetadataObject.Ordinal = (int)newValue;
Hierarchy.FixLevelOrder(this, (int)newValue);
}
if (propertyName == Properties.COLUMN)
{
if (newValue == null && !Handler.UndoManager.UndoInProgress)
{
throw new ArgumentNullException("Column");
}
if (Hierarchy.Levels.Where(l => l != this).Any(l => l.Column == newValue))
{
throw new ArgumentException(string.Format("Another level in this hierarchy is already based on column \"{0}\"", (newValue as Column).Name), "Column");
}
}
base.OnPropertyChanging(propertyName, newValue, ref undoable, ref cancel);
}
internal override void ReapplyReferences()
{
base.ReapplyReferences();
Hierarchy.FixLevelOrder(this, this.Ordinal);
}