public static Dictionary <object, object> GroupData(ICollectionView cv)
{
Dictionary <object, object> groupedData = new Dictionary <object, object>();
var lr = cv as System.Windows.Data.ListCollectionView;
if (lr.Groups != null)
{
foreach (var group in lr.Groups)
{
System.Windows.Data.CollectionViewGroup cvGroup = group as System.Windows.Data.CollectionViewGroup;
List <object> dstItems = new List <object>();
groupedData.Add(cvGroup.GetName(), dstItems);
foreach (var item in cvGroup.Items)
{
dstItems.Add(item);
}
}
}
else
{
List <object> dstItems = new List <object>();
groupedData.Add("", dstItems);
foreach (var item in cv.SourceCollection)
{
dstItems.Add(item);
}
}
return(groupedData);
}
/// <summary>
/// Extension method to convert a ICollectionView to a List
/// </summary>
public static IList <T> ViewToList <T>(this System.ComponentModel.ICollectionView view)
{
IList <T> resList = new List <T>();
var lr = view as System.Windows.Data.ListCollectionView;
if (view.Groups != null)
{
foreach (var group in view.Groups)
{
System.Windows.Data.CollectionViewGroup cvGroup = group as System.Windows.Data.CollectionViewGroup;
// Group(Name) would be: cvGroup.Name.ToString()
foreach (var item in cvGroup.Items)
{
resList.Add((T)item);
}
}
}
else
{
foreach (var item in view.SourceCollection)
{
resList.Add((T)item);
}
}
return(resList);
}
/// <summary>
/// Gives a string representation of this object.
/// </summary>
/// <returns></returns>
internal override string GetPlainText()
{
System.Windows.Data.CollectionViewGroup cvg = Content as System.Windows.Data.CollectionViewGroup;
if (cvg != null && cvg.Name != null)
{
return(cvg.Name.ToString());
}
return(base.GetPlainText());
}
public static string GetName(this System.Windows.Data.CollectionViewGroup cvGroup)
{
string groupName = string.Empty;
if (cvGroup?.Name != null)
{
groupName = cvGroup.Name.ToString();
}
return(groupName);
}
public void Visit(DataGridContext sourceContext, System.Windows.Data.CollectionViewGroup group, object[] namesTree, int groupLevel, bool isExpanded, bool isComputedExpanded, ref bool stopVisit)
{
throw new NotSupportedException("The RangeSelectionVisitor is only capable of handling data items block.");
}
GroupStyle MS.Internal.Controls.IGeneratorHost.GetGroupStyle(System.Windows.Data.CollectionViewGroup group, int level)
{
return(default(GroupStyle));
}
