/// <summary>
/// Add an item to the desired subgroup(s) of the given group
/// </summary>
/// <param name="item">Item to add</param>
/// <param name="group">Group to add item to</param>
/// <param name="level">The level of grouping</param>
/// <param name="loading">Whether we are currently loading</param>
private void AddToSubgroups(object item, CollectionViewGroupInternal group, int level, bool loading)
{
object name = this.GetGroupName(item, group.GroupBy, level);
ICollection nameList;
if (name == UseAsItemDirectly)
{
// the item belongs to the group itself (not to any subgroups)
if (loading)
{
group.Add(item);
}
else
{
int localIndex = group.Insert(item, item, this.ActiveComparer);
int index = group.LeafIndexFromItem(item, localIndex);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
}
}
else if ((nameList = name as ICollection) == null)
{
// the item belongs to one subgroup
this.AddToSubgroup(item, group, level, name, loading);
}
else
{
// the item belongs to multiple subgroups
foreach (object o in nameList)
{
this.AddToSubgroup(item, group, level, o, loading);
}
}
}
private void AddToSubgroups(object item, LiveShapingItem lsi, CollectionViewGroupInternal group, int level, bool loading)
{
object groupName = this.GetGroupName(item, group.GroupBy, level);
if (groupName == CollectionViewGroupRoot.UseAsItemDirectly)
{
if (lsi != null)
{
lsi.AddParentGroup(group);
}
if (loading)
{
group.Add(item);
}
else
{
int index1 = group.Insert(item, item, this.ActiveComparer);
int index2 = group.LeafIndexFromItem(item, index1);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index2));
}
}
else
{
ICollection collection;
if ((collection = groupName as ICollection) == null)
{
this.AddToSubgroup(item, lsi, group, level, groupName, loading);
}
else
{
foreach (object name in (IEnumerable)collection)
{
this.AddToSubgroup(item, lsi, group, level, name, loading);
}
}
}
}
/// <summary>
/// Add an item to the desired subgroup(s) of the given group
/// </summary>
/// <param name="item">Item to add</param>
/// <param name="group">Group to add item to</param>
/// <param name="level">The level of grouping</param>
/// <param name="loading">Whether we are currently loading</param>
/// <param name="insertedBefore">The item to insert this item before,
/// or <c>null</c> if the item should be added at the end.</param>
private void AddToSubgroups(object item, CollectionViewGroupInternal group, int level, bool loading, object insertedBefore)
{
object name = this.GetGroupName(item, group.GroupBy, level);
ICollection nameList;
if (name == UseAsItemDirectly)
{
// the item belongs to the group itself (not to any subgroups)
if (loading)
{
group.Add(item);
}
else
{
int localIndex = -1;
// If we were given an item to insert before, find its index
// within the target group. If it's not in the group, we'll
// get -1 back, which we'll translate into putting the item
// at the end of the list.
if (insertedBefore != null)
{
localIndex = group.LeafIndexOf(insertedBefore);
}
if (localIndex == -1)
{
localIndex = group.ItemCount;
}
group.Insert(item, localIndex);
int index = group.LeafIndexFromItem(item, localIndex);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
}
}
else if ((nameList = name as ICollection) == null)
{
// the item belongs to one subgroup
this.AddToSubgroup(item, group, level, name, loading, insertedBefore);
}
else
{
// the item belongs to multiple subgroups
foreach (object o in nameList)
{
this.AddToSubgroup(item, group, level, o, loading, insertedBefore);
}
}
}
private void AddToSubgroups(object item, CollectionViewGroupInternal group, int level, bool loading)
{
object groupName = this.GetGroupName(item, group.GroupBy, level);
if (groupName == CollectionViewGroupRoot.UseAsItemDirectly)
{
if (loading)
{
group.Add(item);
}
else
{
int index1 = group.Insert(item, item, this.ActiveComparer);
int index2 = group.LeafIndexFromItem(item, index1);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index2));
}
}
else
{
ICollection collection;
if ((collection = groupName as ICollection) == null)
{
this.AddToSubgroup(item, group, level, groupName, loading);
}
else
{
foreach (object name in (IEnumerable)collection)
{
this.AddToSubgroup(item, group, level, name, loading);
}
}
}
}
private void AddToSubgroups(object item, CollectionViewGroupInternal group, int level, bool loading)
{
object name = this.GetGroupName(item, group.GroupBy, level);
if (name == UseAsItemDirectly)
{
if (loading)
{
group.Add(item);
}
else
{
int index = group.Insert(item, item, this.ActiveComparer);
int num2 = group.LeafIndexFromItem(item, index);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(0, item, num2));
}
}
else
{
ICollection is2 = name as ICollection;
if (is2 == null)
{
this.AddToSubgroup(item, group, level, name, loading);
}
else
{
foreach (object obj3 in is2)
{
this.AddToSubgroup(item, group, level, obj3, loading);
}
}
}
}
// add an item to the desired subgroup(s) of the given group
void AddToSubgroups(object item, LiveShapingItem lsi, CollectionViewGroupInternal group, int level, bool loading)
{
object name = GetGroupName(item, group.GroupBy, level);
ICollection nameList;
if (name == UseAsItemDirectly)
{
// the item belongs to the group itself (not to any subgroups)
if (lsi != null)
{
lsi.AddParentGroup(group);
}
if (loading)
{
group.Add(item);
}
else
{
int localIndex = group.Insert(item, item, ActiveComparer);
int index = group.LeafIndexFromItem(item, localIndex);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
}
}
else if ((nameList = name as ICollection) == null)
{
// the item belongs to one subgroup
AddToSubgroup(item, lsi, group, level, name, loading);
}
else
{
// the item belongs to multiple subgroups
foreach (object o in nameList)
{
AddToSubgroup(item, lsi, group, level, o, loading);
}
}
}
