public static Operation.Filter.Group LoadGroupFilterFromXML(Node node, XmlElement root)
{
string colName;
if (DebugUtility.TryGetMandatoryXmlAttribute(root, "column", out colName))
{
var order = SortOrderString.StringToSortOrder(root.GetAttribute("order"), SortOrder.Ascending);
Operation.Filter.Group g = new Operation.Filter.GroupByColumnName(colName, order);
g.SubGroupFilter = LoadSubFilterFromXML(node, root);
return(g);
}
return(null);
}
public static Operation.Filter.Sort LoadSortFilterFromXML(Node node, XmlElement root)
{
Database.Operation.Filter.Sort f = new Operation.Filter.Sort();
// if the element has children, do not process it as a sort level.
if (root.ChildNodes.Count == 0)
{
string colName;
string strOrder;
if (DebugUtility.TryGetMandatoryXmlAttribute(root, "column", out colName) &&
DebugUtility.TryGetMandatoryXmlAttribute(root, "order", out strOrder))
{
SortOrder order = SortOrderString.StringToSortOrder(strOrder, SortOrder.Ascending);
f.SortLevel.Add(new Operation.Filter.Sort.LevelByName(colName, order));
}
}
//Process children as sort level
foreach (XmlNode xNode in root.ChildNodes)
{
if (xNode.NodeType == XmlNodeType.Element)
{
XmlElement e = (XmlElement)xNode;
if (e.Name == "Level")
{
string colNameL;
string strOrderL;
if (DebugUtility.TryGetMandatoryXmlAttribute(e, "column", out colNameL) &&
DebugUtility.TryGetMandatoryXmlAttribute(e, "order", out strOrderL))
{
var orderL = SortOrderString.StringToSortOrder(strOrderL, SortOrder.Ascending);
f.SortLevel.Add(new Operation.Filter.Sort.LevelByName(colNameL, orderL));
}
}
else
{
//DebugUtility.LogInvalidXmlChild(root, e);
}
}
}
if (f.SortLevel.Count == 0)
{
return(null);
}
return(f);
}