public virtual XPathNodeIterator GetDataSourceIDs(
string dataSource,
XPathNodeIterator iterator)
{
if (string.IsNullOrEmpty(dataSource))
{
return(this.CreateEmptyIterator());
}
SC.Xml.Packet packet = new SC.Xml.Packet("values", new string[0]);
iterator.MoveNext();
SC.Sharedsource.Web.UI.DataSourceHelper helper =
new SC.Sharedsource.Web.UI.DataSourceHelper(dataSource, this.GetItem(iterator))
{
StoreUISearchResults = true,
};
if (helper.Items != null)
{
foreach (SC.Data.Items.Item item in helper.Items)
{
if (item != null)
{
packet.AddElement("value", item.ID.ToString());
}
}
}
return(this.GetChildIterator(packet));
}
private XPathNodeIterator GetChildIterator(SC.Xml.Packet packet)
{
XPathNavigator navigator = packet.XmlDocument.CreateNavigator();
navigator.MoveToRoot();
navigator.MoveToFirstChild();
return(navigator.SelectChildren(XPathNodeType.Element));
}
public virtual XPathNodeIterator SortListField(
string listField,
string sortField,
XPathNodeIterator ni,
bool reverse)
{
Sitecore.Xml.Packet packet = new Sitecore.Xml.Packet("values");
XPathNodeIterator iterator = ni.Clone();
if (iterator.MoveNext())
{
Sitecore.Data.Items.Item item = GetItem(iterator);
if (item != null)
{
Sitecore.Data.Fields.MultilistField fieldList = item.Fields[listField];
if (fieldList != null)
{
List <Item> itemList = new List <Item>();
foreach (Sitecore.Data.Items.Item pointer in fieldList.GetItems())
{
if (pointer != null)
{
itemList.Add(pointer);
}
}
Item[] items = itemList.ToArray();
Array.Sort(items, new FieldValueComparer(sortField));
if (reverse)
{
Array.Reverse(items);
}
foreach (Sitecore.Data.Items.Item reference in items)
{
packet.AddElement("value", reference.ID.ToString());
}
}
}
}
XPathNavigator navigator = packet.XmlDocument.CreateNavigator()
?? new XmlDocument().CreateNavigator();
navigator.MoveToRoot();
navigator.MoveToFirstChild();
return(navigator.SelectChildren(XPathNodeType.Element));
}