internal static void RebuildDescriptorIndex(IEnumerable <TDataItem> source, SortDescriptorCollection sortDescriptors, GroupDescriptorCollection groupDescriptors)
{
IEnumerator <TDataItem> e = source.GetEnumerator();
e.MoveNext();
if (e.Current != null)
{
for (int i = 0; i < sortDescriptors.Count; i++)
{
if (string.IsNullOrEmpty(sortDescriptors[i].PropertyName))
{
continue;
}
sortDescriptors[i].PropertyIndex = e.Current.IndexOf(sortDescriptors[i].PropertyName);
}
for (int i = 0; i < groupDescriptors.Count; i++)
{
for (int j = 0; j < groupDescriptors[i].GroupNames.Count; j++)
{
if (string.IsNullOrEmpty(groupDescriptors[i].GroupNames[j].PropertyName))
{
continue;
}
groupDescriptors[i].GroupNames[j].PropertyIndex = e.Current.IndexOf(groupDescriptors[i].GroupNames[j].PropertyName);
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CollectionViewProvider<T>"/> class.
/// </summary>
public CollectionViewProvider()
{
this.collectionView = null;
this.sortDescriptors = new SortDescriptorCollection();
this.groupDescriptors = new GroupDescriptorCollection();
this.filter = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="CollectionViewProvider<T>"/> class.
/// </summary>
/// <param name="sourceCollectionView">The source collection view.</param>
public CollectionViewProvider(ICollectionView <T> sourceCollectionView)
{
this.collectionView = sourceCollectionView;
this.sortDescriptors = collectionView.SortDescriptors;
this.groupDescriptors = collectionView.GroupDescriptors;
this.filter = collectionView.Filter;
}
internal static void RebuildDescriptorIndex(
IEnumerable <TDataItem> source,
SortDescriptorCollection sortDescriptors,
GroupDescriptorCollection groupDescriptors)
{
IEnumerator <TDataItem> enumerator = source.GetEnumerator();
enumerator.MoveNext();
if ((object)enumerator.Current == null)
{
return;
}
for (int index = 0; index < sortDescriptors.Count; ++index)
{
if (!string.IsNullOrEmpty(sortDescriptors[index].PropertyName))
{
sortDescriptors[index].PropertyIndex = enumerator.Current.IndexOf(sortDescriptors[index].PropertyName);
}
}
for (int index1 = 0; index1 < groupDescriptors.Count; ++index1)
{
for (int index2 = 0; index2 < groupDescriptors[index1].GroupNames.Count; ++index2)
{
if (!string.IsNullOrEmpty(groupDescriptors[index1].GroupNames[index2].PropertyName))
{
groupDescriptors[index1].GroupNames[index2].PropertyIndex = enumerator.Current.IndexOf(groupDescriptors[index1].GroupNames[index2].PropertyName);
}
}
}
}
public GroupDescriptor()
{
this.groupNames = new SortDescriptorCollection();
this.groupNames.CollectionChanged += new NotifyCollectionChangedEventHandler(this.groupNames_CollectionChanged);
this.format = "{0}: {1}";
this.aggregates = new StringCollection();
}
public CollectionViewProvider()
{
this.collectionView = (ICollectionView <T>)null;
this.sortDescriptors = new SortDescriptorCollection();
this.groupDescriptors = new GroupDescriptorCollection();
this.filter = (Predicate <T>)null;
}
public SortDescriptor(
string propertyName,
ListSortDirection direction,
SortDescriptorCollection owner)
: this(propertyName, direction)
{
this.owner = owner;
}
private void InitializeFields()
{
this.filter = (Predicate <TDataItem>)null;
this.filterExpression = string.Empty;
this.filterContext = new StringCollection();
this.sortDescriptorCollectionFactory = (ISortDescriptorCollectionFactory) new DefaultSortDescriptorCollectionFactory();
this.sortDescriptors = this.SortDescriptorCollectionFactory.CreateCollection();
this.sortDescriptors.CollectionChanged += new NotifyCollectionChangedEventHandler(this.sortDescriptors_CollectionChanged);
this.groupFactory = (IGroupFactory <TDataItem>) new DefaultGroupFactory <TDataItem>();
this.groupDescriptorCollectionFactory = (IGroupDescriptorCollectionFactory) new DefaultGroupDescriptorCollectionFactory();
this.groupDescriptors = this.GroupDescriptorCollectionFactory.CreateCollection();
this.groupDescriptors.CollectionChanged += new NotifyCollectionChangedEventHandler(this.groupDescriptors_CollectionChanged);
}
public DataItemComparer(SortDescriptorCollection sortContext)
{
this.sortContext = sortContext;
}
