protected override void processSource()
{
if (_sourceReadAndSubscribed)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceCopy = new List <TSourceItem>(Utils.getCapacity(_sourceScalar, _source));
_sourceReadAndSubscribed = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
out _sourceAsList, true);
if (_source != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
_source.CollectionChanged += handleSourceCollectionChanged;
_sourceReadAndSubscribed = true;
}
recalculateValue(true);
}
protected override void processSource()
{
if (_sourceReadAndSubscribed)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_oldItemsProcessor != null)
{
processOldItems(_sourceAsList.ToArray(), this.ToArray());
}
int count = Count;
for (int i = 0; i < count; i++)
{
baseRemoveItem(0);
}
_sourceReadAndSubscribed = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
out _sourceAsList, true);
if (_sourceAsList != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int count = _sourceAsList.Count;
TSourceItem[] sourceCopy = new TSourceItem[count];
_sourceAsList.CopyTo(sourceCopy, 0);
_source.CollectionChanged += handleSourceCollectionChanged;
TReturnValue[] returnValues = null;
if (_newItemsProcessor != null)
{
returnValues = processNewItems(sourceCopy);
}
for (int index = 0; index < count; index++)
{
baseInsertItem(index, returnValues != null ? returnValues[index] : default);
}
_sourceReadAndSubscribed = true;
}
}
protected override void initializeFromSource()
{
if (_sourceInitialized)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
int count = Count;
for (int i = 0; i < count; i++)
{
TSourceItem sourceItem = _sourceAsList[i];
baseRemoveItem(0);
if (_oldItemProcessor != null)
{
processOldItem(sourceItem);
}
}
_sourceInitialized = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
ref _sourceAsList, true);
if (_sourceAsList != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int count = _sourceAsList.Count;
TSourceItem[] sourceCopy = new TSourceItem[count];
_sourceAsList.CopyTo(sourceCopy, 0);
_source.CollectionChanged += handleSourceCollectionChanged;
for (int index = 0; index < count; index++)
{
TSourceItem sourceItem = sourceCopy[index];
if (_newItemProcessor != null)
{
processNewItem(sourceItem);
}
baseInsertItem(index, sourceItem);
}
_sourceInitialized = true;
}
}
protected override void processSource()
{
if (_sourceReadAndSubscribed)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceReadAndSubscribed = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
out _sourceAsList, true);
if (_source != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
_source.CollectionChanged += handleSourceCollectionChanged;
TResult value = default(TResult);
int count = _sourceAsList.Count;
for (int index = 0; index < count; index++)
{
value = aggregate(_sourceAsList[index], value);
}
setValue(value);
_sourceReadAndSubscribed = true;
}
else
{
setDefaultValue();
}
}
protected override void initializeFromSource()
{
if (_sourceInitialized)
{
_valueStringBuilder.Clear();
int capacity = _sourceScalar != null?Utils.getCapacity(_sourceScalar) : Utils.getCapacity(_source);
_resultRangePositions = new RangePositions <RangePosition>(new List <RangePosition>(capacity * 2));
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceInitialized = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
ref _sourceAsList, true);
if (_source != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
_source.CollectionChanged += handleSourceCollectionChanged;
_sourceInitialized = true;
recalculateValue();
}
else
{
_valueStringBuilder.Clear();
setValue(String.Empty);
}
}
protected override void initializeFromSource()
{
if (_sourceInitialized)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceCopy = null;
_sourceInitialized = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
ref _sourceAsList, true);
if (_source != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
_source.CollectionChanged += handleSourceCollectionChanged;
_sourceCopy = new List <TSourceItem>(_sourceAsList);
recalculateValue();
_sourceInitialized = true;
}
else
{
_isDefaulted = true;
setValue(_defaultValue);
}
}
protected override void initializeFromSource()
{
int originalCount = _items.Count;
if (_sourceInitialized)
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceInitialized = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
ref _sourceAsList, true);
if (_sourceAsList != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int count = _sourceAsList.Count;
object[] sourceCopy = new object[count];
_sourceAsList.CopyTo(sourceCopy, 0);
_source.CollectionChanged += handleSourceCollectionChanged;
int sourceIndex;
for (sourceIndex = 0; sourceIndex < count; sourceIndex++)
{
if (originalCount > sourceIndex)
{
_items[sourceIndex] = (TResultItem)sourceCopy[sourceIndex];
}
else
{
_items.Insert(sourceIndex, (TResultItem)sourceCopy[sourceIndex]);
}
}
for (int index = originalCount - 1; index >= sourceIndex; index--)
{
_items.RemoveAt(index);
}
_sourceInitialized = true;
}
else
{
_items.Clear();
}
reset();
}
private void doProcessSource(object sender, EventArgs e)
{
int originalCount = _items.Count;
if (_sourceReadAndSubscribed)
{
uninitializeSource();
_sourceReadAndSubscribed = false;
void uninitializeSource()
{
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
}
if (_sourceOcDispatcher != null)
{
_sourceOcDispatcher.Invoke(
uninitializeSource,
_sourceOcDispatcherPriority,
_sourceOcDispatcherParameter,
this);
}
else
{
uninitializeSource();
}
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
out _sourceAsList, true);
if (_sourceAsList != null && _isActive)
{
void readAndSubscribe()
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int count = _sourceAsList.Count;
TSourceItem[] sourceCopy = new TSourceItem[count];
_sourceAsList.CopyTo(sourceCopy, 0);
_source.CollectionChanged += handleSourceCollectionChanged;
void resetAction()
{
_handledEventSender = sender;
_handledEventArgs = e;
int sourceIndex = 0;
for (int index = 0; index < count; index++)
{
if (originalCount > sourceIndex)
{
_items[sourceIndex] = sourceCopy[index];
}
else
{
_items.Insert(sourceIndex, sourceCopy[index]);
}
sourceIndex++;
}
for (int index = originalCount - 1; index >= sourceIndex; index--)
{
_items.RemoveAt(index);
}
reset();
_handledEventSender = null;
_handledEventArgs = null;
}
_destinationOcDispatcher.Invoke(
resetAction,
_destinationOcDispatcherPriority,
_destinationOcDispatcherParameter,
this);
}
if (_sourceOcDispatcher != null)
{
_sourceOcDispatcher.Invoke(
readAndSubscribe,
_sourceOcDispatcherPriority,
_sourceOcDispatcherParameter,
this);
}
else
{
readAndSubscribe();
}
_sourceReadAndSubscribed = true;
}
else
{
void clearItemsAction()
{
_handledEventSender = sender;
_handledEventArgs = e;
baseClearItems();
_handledEventSender = null;
_handledEventArgs = null;
}
_destinationOcDispatcher.Invoke(
clearItemsAction,
_destinationOcDispatcherPriority,
_destinationOcDispatcherParameter,
this);
}
}
protected override void processSource()
{
int originalCount = _items.Count;
if (_sourceReadAndSubscribed)
{
int itemInfosCount = _itemInfos.Count;
for (int index = 0; index < itemInfosCount; index++)
{
ItemInfo itemInfo = _itemInfos[index];
if (itemInfo.Source != null)
{
itemInfo.Source.CollectionChanged -=
itemInfo.SourceNotifyCollectionChangedEventHandler;
if (itemInfo.SourceAsINotifyPropertyChanged != null)
{
itemInfo.SourceAsINotifyPropertyChanged.PropertyChanged -=
itemInfo.SourcePropertyChangedEventHandler;
}
}
if (itemInfo.SourceScalar != null)
{
itemInfo.SourceScalar.PropertyChanged -= itemInfo.SourceScalarPropertyChangedEventHandler;
}
}
Utils.initializeItemInfos(
Utils.getCapacity(_sourceScalar, _source),
out _itemInfos,
out _sourceRangePositions);
_source.CollectionChanged -= HandleSourceCollectionChanged;
if (_sourcesAsINotifyPropertyChanged != null)
{
_sourcesAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourcesAsINotifyPropertyChanged = null;
}
_sourceReadAndSubscribed = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
out _sourcesAsList, true);
if (_source != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourcesAsIHasChangeMarker,
_sourcesAsList,
ref _lastProcessedSourcesChangeMarker,
ref _sourcesAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int plainIndex = 0;
int count = _sourcesAsList.Count;
object[] sourcesCopy = new object[count];
_sourcesAsList.CopyTo(sourcesCopy, 0);
for (int index = 0; index < count; index++)
{
object sourceItemObject = sourcesCopy[index];
IList sourceItem = sourceItemObject is IReadScalar <object> sourceItemScalar
? (IList)sourceItemScalar.Value : (IList)sourceItemObject;
int sourceItemCount = sourceItem?.Count ?? 0;
ItemInfo itemInfo = _sourceRangePositions.Add(sourceItemCount);
registerSourceItem(sourceItemObject, itemInfo);
IList <TSourceItem> sourceCopy = itemInfo.SourceCopy;
for (int sourceSourceIndex = 0; sourceSourceIndex < sourceItemCount; sourceSourceIndex++)
{
if (originalCount > plainIndex)
{
// ReSharper disable once PossibleNullReferenceException
_items[plainIndex++] = sourceCopy[sourceSourceIndex];
}
else
{
// ReSharper disable once PossibleNullReferenceException
_items.Insert(plainIndex++, sourceCopy[sourceSourceIndex]);
}
}
}
for (int index = originalCount - 1; index >= plainIndex; index--)
{
_items.RemoveAt(index);
}
_source.CollectionChanged += HandleSourceCollectionChanged;
_sourceReadAndSubscribed = true;
}
else
{
_items.Clear();
}
reset();
}
private void doInitializeFromSource()
{
int originalCount = _items.Count;
if (_sourceInitialized)
{
if (_destinationDispatcher != null)
{
_destinationDispatcher.Invoke(baseClearItems, this);
}
else
{
_collectionDestinationDispatcher.Invoke(baseClearItems, this, NotifyCollectionChangedAction.Reset, null, null, 0, 0);
}
_source.CollectionChanged -= handleSourceCollectionChanged;
if (_sourceAsINotifyPropertyChanged != null)
{
_sourceAsINotifyPropertyChanged.PropertyChanged -=
((ISourceIndexerPropertyTracker)this).HandleSourcePropertyChanged;
_sourceAsINotifyPropertyChanged = null;
}
_sourceInitialized = false;
}
Utils.changeSource(ref _source, _sourceScalar, _downstreamConsumedComputings, _consumers, this,
ref _sourceAsList, true);
if (_sourceAsList != null && _isActive)
{
Utils.initializeFromHasChangeMarker(
out _sourceAsIHasChangeMarker,
_sourceAsList,
ref _lastProcessedSourceChangeMarker,
ref _sourceAsINotifyPropertyChanged,
(ISourceIndexerPropertyTracker)this);
int count = _sourceAsList.Count;
TSourceItem[] sourceCopy = new TSourceItem[count];
_sourceAsList.CopyTo(sourceCopy, 0);
_source.CollectionChanged += handleSourceCollectionChanged;
int sourceIndex;
for (sourceIndex = 0; sourceIndex < count; sourceIndex++)
{
if (originalCount > sourceIndex)
{
_items[sourceIndex] = sourceCopy[sourceIndex];
}
else
{
_items.Insert(sourceIndex, sourceCopy[sourceIndex]);
}
}
for (int index = originalCount - 1; index >= sourceIndex; index--)
{
_items.RemoveAt(index);
}
_sourceInitialized = true;
}
else
{
_items.Clear();
}
if (_destinationDispatcher != null)
{
_destinationDispatcher.Invoke(reset, this);
}
else
{
_collectionDestinationDispatcher.Invoke(reset, this, NotifyCollectionChangedAction.Reset, null, null, 0, 0);
}
}