// add an item to the subgroup with the given name
void AddToSubgroup(object item, LiveShapingItem lsi, CollectionViewGroupInternal group, int level, object name, bool loading)
{
CollectionViewGroupInternal subgroup;
int index = (loading && IsDataInGroupOrder) ? group.LastIndex : 0;
// find the desired subgroup using the map
object groupNameKey = GetGroupNameKey(name, group);
if (((subgroup = group.GetSubgroupFromMap(groupNameKey) as CollectionViewGroupInternal) != null) &&
group.GroupBy.NamesMatch(subgroup.Name, name))
{
// Try best to set the LastIndex. If not possible reset it to 0.
group.LastIndex = (group.Items[index] == subgroup ? index : 0);
// Recursively call the AddToSubgroups method on subgroup.
AddToSubgroups(item, lsi, subgroup, level + 1, loading);
return;
}
// find the desired subgroup using linear search
for (int n = group.Items.Count; index < n; ++index)
{
subgroup = group.Items[index] as CollectionViewGroupInternal;
if (subgroup == null)
{
continue; // skip children that are not groups
}
if (group.GroupBy.NamesMatch(subgroup.Name, name))
{
group.LastIndex = index;
// Update the name to subgroup map on the group.
group.AddSubgroupToMap(groupNameKey, subgroup);
// Recursively call the AddToSubgroups method on subgroup.
AddToSubgroups(item, lsi, subgroup, level + 1, loading);
return;
}
}
// the item didn't match any subgroups. Create a new subgroup and add the item.
subgroup = new CollectionViewGroupInternal(name, group);
InitializeGroup(subgroup, group.GroupBy, level + 1);
if (loading)
{
group.Add(subgroup);
group.LastIndex = index;
}
else
{
group.Insert(subgroup, item, ActiveComparer);
}
// Update the name to subgroup map on the group.
group.AddSubgroupToMap(groupNameKey, subgroup);
// Recursively call the AddToSubgroups method on subgroup.
AddToSubgroups(item, lsi, subgroup, level + 1, loading);
}
// Token: 0x060073D2 RID: 29650 RVA: 0x00212494 File Offset: 0x00210694
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);
return;
}
int index = group.Insert(item, item, this.ActiveComparer);
int index2 = group.LeafIndexFromItem(item, index);
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index2));
return;
}
else
{
ICollection collection;
if ((collection = (groupName as ICollection)) == null)
{
this.AddToSubgroup(item, lsi, group, level, groupName, loading);
return;
}
foreach (object name in collection)
{
this.AddToSubgroup(item, lsi, group, level, name, loading);
}
return;
}
}
// Token: 0x060073D0 RID: 29648 RVA: 0x002123D8 File Offset: 0x002105D8
private void InitializeGroup(CollectionViewGroupInternal group, GroupDescription parentDescription, int level)
{
GroupDescription groupDescription = this.GetGroupDescription(group, parentDescription, level);
group.GroupBy = groupDescription;
ObservableCollection <object> observableCollection = (groupDescription != null) ? groupDescription.GroupNames : null;
if (observableCollection != null)
{
int i = 0;
int count = observableCollection.Count;
while (i < count)
{
CollectionViewGroupInternal collectionViewGroupInternal = new CollectionViewGroupInternal(observableCollection[i], group, true);
this.InitializeGroup(collectionViewGroupInternal, groupDescription, level + 1);
group.Add(collectionViewGroupInternal);
i++;
}
}
group.LastIndex = 0;
}
// Token: 0x060073D3 RID: 29651 RVA: 0x00212564 File Offset: 0x00210764
private void AddToSubgroup(object item, LiveShapingItem lsi, CollectionViewGroupInternal group, int level, object name, bool loading)
{
int i = (loading && this.IsDataInGroupOrder) ? group.LastIndex : 0;
object groupNameKey = this.GetGroupNameKey(name, group);
CollectionViewGroupInternal collectionViewGroupInternal;
if ((collectionViewGroupInternal = group.GetSubgroupFromMap(groupNameKey)) != null && group.GroupBy.NamesMatch(collectionViewGroupInternal.Name, name))
{
group.LastIndex = ((group.Items[i] == collectionViewGroupInternal) ? i : 0);
this.AddToSubgroups(item, lsi, collectionViewGroupInternal, level + 1, loading);
return;
}
int count = group.Items.Count;
while (i < count)
{
collectionViewGroupInternal = (group.Items[i] as CollectionViewGroupInternal);
if (collectionViewGroupInternal != null && group.GroupBy.NamesMatch(collectionViewGroupInternal.Name, name))
{
group.LastIndex = i;
group.AddSubgroupToMap(groupNameKey, collectionViewGroupInternal);
this.AddToSubgroups(item, lsi, collectionViewGroupInternal, level + 1, loading);
return;
}
i++;
}
collectionViewGroupInternal = new CollectionViewGroupInternal(name, group, false);
this.InitializeGroup(collectionViewGroupInternal, group.GroupBy, level + 1);
if (loading)
{
group.Add(collectionViewGroupInternal);
group.LastIndex = i;
}
else
{
group.Insert(collectionViewGroupInternal, item, this.ActiveComparer);
}
group.AddSubgroupToMap(groupNameKey, collectionViewGroupInternal);
this.AddToSubgroups(item, lsi, collectionViewGroupInternal, level + 1, 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);
}
}
}
// Initialize the given group
void InitializeGroup(CollectionViewGroupInternal group, GroupDescription parentDescription, int level)
{
// set the group description for dividing the group into subgroups
GroupDescription groupDescription = GetGroupDescription(group, parentDescription, level);
group.GroupBy = groupDescription;
// create subgroups for each of the explicit names
ObservableCollection <object> explicitNames =
(groupDescription != null) ? groupDescription.GroupNames : null;
if (explicitNames != null)
{
for (int k = 0, n = explicitNames.Count; k < n; ++k)
{
CollectionViewGroupInternal subgroup = new CollectionViewGroupInternal(explicitNames[k], group, isExplicit: true);
InitializeGroup(subgroup, groupDescription, level + 1);
group.Add(subgroup);
}
}
group.LastIndex = 0;
}