private void ApplyCriterionForField(
SortCriterionContext context, SortCriterionConfiguration criterion)
{
// This uses the logic from ContentFieldsSortCriterion
var partDefinition = _contentDefinitionManager.GetPartDefinition(criterion.PartName);
if (partDefinition == null)
{
Logger.Error(T("Impossible to find a part definition with name {0}.",
criterion.PartName).Text);
}
else
{
var fieldDefinition = partDefinition.Fields
.FirstOrDefault(fd => fd.Name.Equals(criterion.FieldName));
if (fieldDefinition == null)
{
Logger.Error(T("Impossible to find a field definition with name {0} within the part {1}.",
criterion.FieldName, criterion.PartName).Text);
}
else
{
var propertyName = string.Join(".",
// part
criterion.PartName,
// field
criterion.FieldName,
// field's property (e.g. LinkField.Text)
criterion.PropertyName ?? "");
var fieldTypeEditors = GetFieldEditors(fieldDefinition.FieldDefinition.Name, criterion.PropertyName);
if (fieldTypeEditors.Any())
{
// I think there should be only one
foreach (var fieldTypeEditor in fieldTypeEditors)
{
// use an alias with the join so that two filters on the same Field Type wont collide
var relationship = fieldTypeEditor.GetFilterRelationship(propertyName.ToSafeName());
// generate the predicate based on the editor which has been used
Action <IHqlExpressionFactory> predicate = y => y.Eq("PropertyName", propertyName);
// apply a filter for the specific property
context.Query = context.Query.Where(relationship, predicate);
// apply sort
context.Query = criterion.Ascending
? context.Query.OrderBy(relationship, x => x.Asc(context.GetSortColumnName()))
: context.Query.OrderBy(relationship, x => x.Desc(context.GetSortColumnName()));
}
}
else
{
Logger.Error(T("Impossible to identify the IFieldTypeEditor to sort by {0}.", propertyName).Text);
}
}
}
}
public void ApplySortCriterion(SortCriterionContext context, IFieldTypeEditor fieldTypeEditor, string storageName, Type storageType, ContentPartDefinition part, ContentPartFieldDefinition field)
{
bool ascending = (bool)context.State.Sort;
var propertyName = String.Join(".", part.Name, field.Name, storageName ?? "");
// use an alias with the join so that two filters on the same Field Type wont collide
var relationship = fieldTypeEditor.GetFilterRelationship(propertyName.ToSafeName());
// generate the predicate based on the editor which has been used
Action <IHqlExpressionFactory> predicate = y => y.Eq("PropertyName", propertyName);
// combines the predicate with a filter on the specific property name of the storage, as implemented in FieldIndexService
// apply where clause
context.Query = context.Query.Where(relationship, predicate);
// apply sort
context.Query = ascending
? context.Query.OrderBy(relationship, x => x.Asc(context.GetSortColumnName()))
: context.Query.OrderBy(relationship, x => x.Desc(context.GetSortColumnName()));
}
