internal IChange CreateChange(MapTree.AttributeSpec spec, MapTree.AttributeSpecEventArgs e)
{
switch (e.Change)
{
case MapTree.AttributeSpecChange.Added:
return(new AttributeSpecAdd(spec));
case MapTree.AttributeSpecChange.Removed:
return(new AttributeSpecDelete(spec));
case MapTree.AttributeSpecChange.NameChanged:
return(new AttributeSpecName(spec, (string)e.OldValue));
case MapTree.AttributeSpecChange.VisibilityChanged:
return(new AttributeSpecVisibility(spec, (bool)e.OldValue));
case MapTree.AttributeSpecChange.DataTypedChanged:
return(new AttributeSpecDataType(spec, (MapTree.AttributeDataType)e.OldValue));
case MapTree.AttributeSpecChange.TypeChanged:
return(new AttributeSpecType(spec, (MapTree.AttributeType)e.OldValue));
case MapTree.AttributeSpecChange.ListTypeChanged:
return(new AttributeSpecListType(spec, (MapTree.AttributeListOption)e.OldValue));
case MapTree.AttributeSpecChange.ListValueAdded:
return(new AttributeSpecValueAdd(spec, (string)e.OldValue));
case MapTree.AttributeSpecChange.ListValueRemoved:
return(new AttributeSpecValueRemove(spec, (string)e.OldValue));
default:
return(null);
}
}
private void Tree_AttributeSpecChangeEvent(MapTree.AttributeSpec node, MapTree.AttributeSpecEventArgs e)
{
IChange change = factory.CreateChange(node, e);
if (change != null)
{
RecordChange(change);
}
}
