private void unregisterSourceItem(int sourceIndex)
{
int? removeIndex = null;
ItemInfo itemInfo = _itemInfos[sourceIndex];
ExpressionWatcher watcher = itemInfo.ExpressionWatcher;
watcher.Dispose();
Position itemInfoFilteredPosition = itemInfo.FilteredPosition;
if (itemInfoFilteredPosition != null)
{
removeIndex = itemInfoFilteredPosition.Index;
_filteredPositions.Remove(itemInfoFilteredPosition.Index);
modifyNextFilteredItemIndex(sourceIndex, itemInfo.NextFilteredItemPosition);
}
_sourcePositions.Remove(sourceIndex);
if (removeIndex.HasValue)
{
baseRemoveItem(removeIndex.Value);
}
}
private void unregisterSourceItem(int sourceIndex)
{
OrderingItemInfo <TOrderingValue> itemInfo = _itemInfos[sourceIndex];
Utils.disposeExpressionWatcher(itemInfo.ExpressionWatcher, itemInfo.NestedComputings, this, _orderingValueSelectorContainsParametrizedLiveLinqCalls);
int orderedIndex = itemInfo.OrderedItemInfo.Index;
_orderedPositions.Remove(orderedIndex);
_sourcePositions.Remove(sourceIndex);
_orderingValues.RemoveAt(orderedIndex);
if (_thenOrderingsCount > 0)
{
RangePosition rangePosition = itemInfo.OrderedItemInfo.RangePosition;
if (rangePosition.Length == 1)
{
_equalOrderingValueRangePositions.Remove(rangePosition.Index);
}
else
{
_equalOrderingValueRangePositions.ModifyLength(rangePosition.Index, -1);
}
}
baseRemoveItem(orderedIndex);
}
private void unregisterSourceItem(int sourceIndex)
{
ItemInfo itemInfo = _itemInfos[sourceIndex];
Utils.disposeExpressionWatcher(itemInfo.ExpressionWatcher, itemInfo.NestedComputings, this,
_predicateContainsParametrizedObservableComputationCalls);
_sourcePositions.Remove(sourceIndex);
}
private void unregisterSourceItem(int index, bool replacing = false)
{
Utils.disposeExpressionWatcher(_itemInfos[index].ExpressionWatcher, _itemInfos[index].NestedComputings, this,
_selectorContainsParametrizedObservableComputationsCalls);
if (!replacing)
{
_sourcePositions.Remove(index);
}
}
private void unregisterSourceItem(int sourceIndex)
{
ItemInfo itemInfo = _itemInfos[sourceIndex];
ExpressionWatcher watcher = itemInfo.ExpressionWatcher;
watcher.Dispose();
_sourcePositions.Remove(sourceIndex);
}
private void unregisterSourceItem(int index, bool replacing = false)
{
ExpressionWatcher watcher = _itemInfos[index].ExpressionWatcher;
watcher.Dispose();
if (!replacing)
{
_sourcePositions.Remove(index);
}
}
internal static bool ProcessChangeSourceItem <TSourceItem>(int sourceIndex,
TSourceItem sourceItem,
List <FilteringItemInfo> filteringItemInfos,
IFiltering <TSourceItem> filtering,
Positions <Position> filteredPositions,
CollectionComputing <TSourceItem> current,
ExpressionWatcher expressionWatcher)
{
if (expressionWatcher._disposed)
{
return(false);
}
FilteringItemInfo itemInfo = filteringItemInfos[sourceIndex];
bool newPredicateValue = filtering.applyPredicate(sourceItem, itemInfo.PredicateFunc);
bool oldPredicateValue = itemInfo.FilteredPosition != null;
if (newPredicateValue != oldPredicateValue)
{
if (newPredicateValue)
{
int newIndex = itemInfo.NextFilteredItemPosition.Index;
itemInfo.FilteredPosition = filteredPositions.Insert(newIndex);
newIndex = itemInfo.FilteredPosition.Index;
modifyNextFilteredItemIndex(sourceIndex, itemInfo.FilteredPosition, filteringItemInfos);
current.baseInsertItem(newIndex, sourceItem);
return(true);
}
else // if (oldPredicaeValue)
{
int index = itemInfo.FilteredPosition.Index;
filteredPositions.Remove(index);
itemInfo.FilteredPosition = null;
modifyNextFilteredItemIndex(sourceIndex, itemInfo.NextFilteredItemPosition, filteringItemInfos);
current.baseRemoveItem(index);
return(true);
}
}
return(false);
}
private void unregisterSourceItem(int sourceIndex)
{
int?removeIndex = null;
FilteringItemInfo itemInfo = _itemInfos[sourceIndex];
Utils.disposeExpressionWatcher(itemInfo.ExpressionWatcher, itemInfo.NestedComputings, this,
_predicateContainsParametrizedObservableComputationsCalls);
Position itemInfoFilteredPosition = itemInfo.FilteredPosition;
if (itemInfoFilteredPosition != null)
{
removeIndex = itemInfoFilteredPosition.Index;
_filteredPositions.Remove(itemInfoFilteredPosition.Index);
FilteringUtils.modifyNextFilteredItemIndex(sourceIndex, itemInfo.NextFilteredItemPosition, _itemInfos);
}
_sourcePositions.Remove(sourceIndex);
if (removeIndex.HasValue)
{
baseRemoveItem(removeIndex.Value);
}
}
