private void RemoveItemImplementation(int index, bool isPartOfMove)
{
if (!isPartOfMove)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN REMOVE (Single Item)");
}
var oldItem = _items[index];
_count--;
if (index < _count)
{
Array.Copy(_items, index + 1, _items, index, _count - index);
}
_items[_count] = default(T);
if (isPartOfMove)
{
return;
}
_version++;
RecoverFreeSpace();
NotifyPropertyChanged(propertyName: CountString);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateSingleItemRemoveAtAction(oldItem, index));
//System.Diagnostics.Debug.Print("END REMOVE (Single Item)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void InsertItemImplementation(int index, T item, bool isPartOfMove)
{
if (!isPartOfMove)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN INSERT (Single Item)");
}
MakeRoom(1);
if (index < _count)
{
Array.Copy(_items, index, _items, index + 1, _count - index);
}
_items[index] = item;
_count++;
if (isPartOfMove)
{
return;
}
_version++;
NotifyPropertyChanged(propertyName: CountString);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateSingleItemInsertAction(item, index));
//System.Diagnostics.Debug.Print("END INSERT (Single Item)");
//System.Diagnostics.Debug.IndentLevel--;
}
protected override void OnChildPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnChildPropertyChanged(sender, e);
if (NotifyResetOnChildPropertyChange && e.PropertyName != CountString && e.PropertyName != IndexerString &&
e.PropertyName != "Capacity")
{
//System.Diagnostics.Debug.Print("Child Property Change: NOTIFIFYING RESET");
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateResetAction());
}
//if (!NotifyResetOnChildPropertyChange)
//{
// System.Diagnostics.Debug.Print("Child Property Change: RESET DISABLED");
//}
}
private void ReplaceItemImplementation(int index, T item)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN REPLACE (Single Item)");
var oldItem = _items[index];
_items[index] = item;
_version++;
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateSingleItemReplaceAtAction(oldItem, item, index));
//System.Diagnostics.Debug.Print("END REPLACE (Single Item)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void MoveItemImplementation(int fromIndex, int toIndex)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN MOVE (Single Item)");
var itemToMove = _items[fromIndex];
RemoveItemImplementation(fromIndex, true);
InsertItemImplementation(toIndex, itemToMove, true);
_version++;
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(
CollectionChangedEventArgsBuilder.CreateSingleItemMoveAction(itemToMove, fromIndex, toIndex));
//System.Diagnostics.Debug.Print("END MOVE (Single Item)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void InsertItemsImplementation(int index, IList <T> items, bool isPartOfMove)
{
if (items.Count == 0)
{
return;
}
if (!isPartOfMove)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN INSERT (Multiple Items)");
}
MakeRoom(items.Count);
if (index < _count)
{
Array.Copy(_items, index, _items, index + items.Count, _count - index);
}
if (Equals(items, this))
{
Array.Copy(_items, 0, _items, index, index);
Array.Copy(_items, index + items.Count, _items, index * 2, _count - index);
}
else
{
Array.Copy(items.ToArray(), 0, _items, index, items.Count);
}
_count += items.Count;
if (isPartOfMove)
{
return;
}
_version++;
NotifyPropertyChanged(propertyName: CountString);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateMultipleItemInsertAction(items.ToArray(), index));
//System.Diagnostics.Debug.Print("END INSERT (Multiple Items)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void ClearItemsImplementation()
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN CLEAR");
if (_count <= 0)
{
return;
}
Array.Clear(_items, 0, _count);
_count = 0;
_version++;
RecoverFreeSpace();
NotifyPropertyChanged(propertyName: CountString);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateResetAction());
//System.Diagnostics.Debug.Print("END CLEAR");
//System.Diagnostics.Debug.IndentLevel--;
}
private void MoveItemsImplementation(int fromIndex, int toIndex, int count)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN MOVE (Multiple Items)");
var itemsToMove = new T[count];
for (var i = 0; i < count; i++)
{
itemsToMove[i] = _items[fromIndex + i];
}
RemoveItemsImplementation(fromIndex, count, true);
InsertItemsImplementation(toIndex, itemsToMove, true);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(
CollectionChangedEventArgsBuilder.CreateMultipleItemMoveAction(itemsToMove, fromIndex, toIndex));
//System.Diagnostics.Debug.Print("END MOVE (Multiple Items)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void ReplaceItemsImplementation(int index, IList <T> items)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN REPLACE (Multiple Items)");
var oldItems = new List <T>();
for (var i = 0; i < items.Count; i++)
{
oldItems.Add(_items[index + i]);
_items[index + i] = items[i];
}
_version++;
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(
CollectionChangedEventArgsBuilder.CreateMultipleItemReplaceAtAction(oldItems, items.ToArray(), index));
//System.Diagnostics.Debug.Print("END REPLACE (Multiple Items)");
//System.Diagnostics.Debug.IndentLevel--;
}
private void RemoveItemsImplementation(int index, int count, bool isPartOfMove)
{
var oldItems = new List <T>();
if (!isPartOfMove)
{
CheckReentrancy();
//System.Diagnostics.Debug.IndentLevel++;
//System.Diagnostics.Debug.Print("BEGIN REMOVE (Multiple Items)");
for (var i = 0; i < count; i++)
{
oldItems.Add(_items[index + i]);
}
}
_count -= count;
if (index < _count)
{
Array.Copy(_items, index + count, _items, index, _count - index);
}
Array.Clear(_items, _count, count);
if (isPartOfMove)
{
return;
}
_version++;
RecoverFreeSpace();
NotifyPropertyChanged(propertyName: CountString);
NotifyPropertyChanged(propertyName: IndexerString);
NotifyCollectionChanged(CollectionChangedEventArgsBuilder.CreateMultipleItemRemoveAtAction(oldItems, index));
//System.Diagnostics.Debug.Print("END REMOVE (Multiple Items)");
//System.Diagnostics.Debug.IndentLevel--;
}