internal string PrepareConnections(RowType row)
{
if (ColumnConnection != null || For == null || string.IsNullOrEmpty(For.Metadata.PropertyName))
{
return(null);
}
var pres = row?.For?.Metadata?.ModelType?.GetTypeInfo()?.GetProperty(For.Metadata.PropertyName)?
.GetCustomAttribute <ColumnConnectionAttribute>(false);
if (pres == null)
{
return(null);
}
else
{
ColumnConnection = pres.GetConnection(row);
return(ColumnConnection.DisplayProperty.Metadata.PropertyName);
}
}
public RowType(ModelExpression expression,
uint inheritIndex,
bool isDetail = false,
IEnumerable <Column> addColumns = null,
IEnumerable <string> removeColumns = null,
Func <IEnumerable <Column>, ContextualizedHelpers, object, IHtmlContent> renderHiddens = null,
bool?queryEnabled = null)
{
IsDetail = isDetail;
For = expression;
init = x =>
{
RowType inheritFrom = null;
string keyName = null;
if (x != null && inheritIndex < x.Count && inheritIndex >= 0)
{
inheritFrom = x[(int)inheritIndex];
keyName = inheritFrom.KeyName;
}
this.renderHiddens = renderHiddens;
if (inheritFrom == null || inheritFrom.Columns == null)
{
throw new ArgumentNullException(nameof(inheritFrom));
}
if (keyName == null)
{
KeyName = GetConventionKey(For.Metadata.ModelType);
if (KeyName == null)
{
throw new ArgumentException(DefaultMessages.NoRowKey, nameof(keyName));
}
}
else
{
KeyName = keyName;
}
InheritColumns(inheritFrom.visibleAndHiddenColumns, addColumns, removeColumns, true);
QueryEnabled = queryEnabled;
PrepareColumns();
};
}
