GetAccessibleSharePointColumns(string sharepointUrl, string listName, string viewName)
{
List <SharePointUtility.DataObject.ColumnData> columnList =
ListServiceUtility.GetFields(new Uri(sharepointUrl), _credentials, listName, viewName);
// Pull out the ID Field because we want this to be first in the list, and the other columns
// will keep their order that SharePoint sends them.
var idField =
from c in columnList
where (c.Name == "ID" || c.Name == "FsObjType")
select c;
var accessibleColumns =
from c in columnList
where (!c.IsHidden && !c.IsReadOnly)
select c;
return(idField.Union(accessibleColumns).ToList());
}
/// <summary>
/// Get the columns that are public
/// </summary>
/// <param name="sharepointUrl"></param>
/// <param name="listName"></param>
/// <returns></returns>
private List <SharePointUtility.DataObject.ColumnData> GetAccessibleSharePointColumns(string sharepointUrl, string listName, string viewName)
{
List <SharePointUtility.DataObject.ColumnData> columnList =
ListServiceUtility.GetFields(new Uri(sharepointUrl), _credentials, listName, viewName);
// Pull out the ID Field because we want this to be first in the list, and the other columns
// will keep their order that SharePoint sends them.
var idField =
from c in columnList
where c.Name == "ID"
select c;
bool expandLookups = false;
var expandLookupsProperty = FindCustomProperty(C_DECODELOOKUPS);
if ((Enums.TrueFalseValue)expandLookupsProperty.Value == Enums.TrueFalseValue.True)
{
expandLookups = true;
}
// Consult the property to determine if we're doing any filtering here
bool includeHidden = false;
var includeHiddenProperty = FindCustomProperty(C_INCLUDEHIDDEN);
if ((Enums.TrueFalseValue)includeHiddenProperty.Value == Enums.TrueFalseValue.True)
{
includeHidden = true;
}
var accessibleColumns =
from c in columnList
where ((c.IsHidden == includeHidden ||
c.IsHidden == false) && c.IsInView == true)
select c;
if (expandLookups)
{
// Add the columns that are not raw and remove the 'raw' columns.
var lookupColumns =
from c in accessibleColumns
where c.LookupFieldDisplay != SharePointUtility.DataObject.ColumnData.EncodedFieldDisplayEnum.DisplayRaw
select c;
var exclusionList =
from x in accessibleColumns
join c in lookupColumns on x.SourceFieldName equals c.SourceFieldName
where x.LookupFieldDisplay == SharePointUtility.DataObject.ColumnData.EncodedFieldDisplayEnum.DisplayRaw
select x;
var outputColumns = accessibleColumns.Except(exclusionList);
return(idField.Union(outputColumns).ToList());
}
else
{
// Add the columns that are not raw and remove the 'raw' columns.
var lookupColumns =
from c in accessibleColumns
where c.LookupFieldDisplay != SharePointUtility.DataObject.ColumnData.EncodedFieldDisplayEnum.DisplayRaw
select c;
var outputColumns = accessibleColumns.Except(lookupColumns);
return(idField.Union(outputColumns).ToList());
}
}
