public override void Clean()
{
if (Criteria == null)
{
return;
}
for (var i = Criteria.Count - 1; i >= 0; i--)
{
var op = Criteria[i];
var sog = op as SearchOperationGroup;
if (sog != null && (sog.Criteria == null || sog.Criteria.Count == 0)) // its useless
{
Criteria.RemoveAt(i);
continue;
}
op.Parent = this;
op.Clean();
}
if (Criteria.Count == 1 && Criteria[0] is SearchOperationGroup) // just collapse the group
{
var sog = (SearchOperationGroup)Criteria[0];
GroupType = sog.GroupType;
Criteria.Remove(sog);
Criteria.AddRange(sog.Criteria); // add the criteria to this group
}
}
/// <summary>
/// Adds the specified operation to this group. If the group's type (and/or) is different than the groupType
/// parameter, a new group is spawned and added to this one,
/// </summary>
/// <param name="groupType"></param>
/// <param name="operationToAdd"></param>
public void InjectCriteriaAndReformatGroupIfNecessary(SearchOperationGroupType groupType,
SearchOperation operationToAdd)
{
if (GroupType == groupType)
{
Criteria.Add(operationToAdd); // easy
return;
}
// ok, so the group type is different
// we create a new group
var sog = new SearchOperationGroup();
sog.GroupType = GroupType;
// copy over the current criteria
sog.Criteria.AddRange(Criteria);
// clear the criteria from this group
Criteria.Clear();
// set the new type
GroupType = GroupType;
// add the old criteria, grouped
Criteria.Add(sog);
// and add the new operatoin
Criteria.Add(operationToAdd);
}
public void AddOperation(SearchOperation so, SearchOperationGroupType groupType)
{
if (so == null)
{
throw new ArgumentNullException("so");
}
if (_currentSearchOperationGroup.GroupType == groupType) // no problem
{
_currentSearchOperationGroup.Criteria.Add(so);
return;
}
// ok - it's different, so...
if (_currentSearchOperationGroup.Criteria.Count <= 1) // just change the type!
{
_currentSearchOperationGroup.GroupType = groupType;
_currentSearchOperationGroup.Criteria.Add(so);
return;
}
// we must split off another group
var sog = new SearchOperationGroup();
sog.GroupType = groupType;
if (_currentSearchOperationGroup.Parent != null) // we have to replace the parent
{
var index = _currentSearchOperationGroup.Parent.Criteria.IndexOf(_currentSearchOperationGroup);
_currentSearchOperationGroup.Parent.Criteria.RemoveAt(index);
_currentSearchOperationGroup.Parent.Criteria.Insert(index, sog);
sog.Criteria.Add(_currentSearchOperationGroup);
sog.Criteria.Add(so);
_currentSearchOperationGroup = sog; // reset the current group
}
else
{
// we're at the top
var soBase = new SearchOperationGroup();
soBase.GroupType = _currentSearchOperationGroup.GroupType;
soBase.Criteria.AddRange(_currentSearchOperationGroup.Criteria);
_currentSearchOperationGroup.Criteria.Clear();
_currentSearchOperationGroup.Criteria.Add(soBase);
_currentSearchOperationGroup.GroupType = groupType;
_currentSearchOperationGroup.Criteria.Add(so);
}
}