public void Paste(IListSelectionData <T> values, bool insert)
{
if (!CanPaste)
{
return;
}
var e = new CancelEventArgs();
OnBeginPaste(e);
if (e.Cancel)
{
return;
}
if (insert)
{
InsertSelection(values);
}
else
{
WriteSelection(values);
}
OnPasteComplete(EventArgs.Empty);
}
public static void InsertSelection <T>(
this IList <T> list,
IListSelectionData <T> values)
{
if (values is null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.Selection.MaxIndex >= list.Count)
{
throw new ArgumentException();
}
IncreaseSize(list, values.Count);
var current = list.Count;
for (var i = values.Count; --i >= 0;)
{
var freeIndex = values.Selection[i];
while (--current != freeIndex)
{
list[current] = list[current - (i + 1)];
}
list[current] = values[freeIndex];
}
}
public void WriteSelection(IListSelectionData <T> values)
{
if (values is null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.Count == 0)
{
return;
}
var copy = values.Copy();
var oldValues = BaseList.GetSelectionData(copy.Selection);
WriteData(
() => BaseList.WriteSelection(copy),
() => BaseList.WriteSelection(oldValues));
}
public void InsertSelection(IListSelectionData <T> values)
{
if (values is null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.Count == 0)
{
return;
}
var copy = values.Copy();
WriteData(
() => BaseList.InsertSelection(copy),
() => BaseList.RemoveSelection(copy.Selection));
OnSizeChanged(EventArgs.Empty);
}
public void Paste(IListSelectionData <T> values, bool insert)
{
if (!CanPaste)
{
return;
}
var e = new CancelEventArgs();
OnBeginPaste(e);
if (e.Cancel)
{
return;
}
if (values is null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.Count == 0)
{
return;
}
if (insert)
{
InsertSelection(values);
}
else
{
WriteSelection(values);
}
OnPasteComplete(EventArgs.Empty);
}
public static void WriteSelection <T>(
this IList <T> list,
IListSelectionData <T> values)
{
if (list is null)
{
throw new ArgumentNullException(nameof(list));
}
if (values is null)
{
throw new ArgumentNullException(nameof(values));
}
if (values.Selection.MaxIndex >= list.Count)
{
throw new ArgumentException();
}
foreach (var kvp in values)
{
list[kvp.Key] = kvp.Value;
}
}
public void WriteSelection(IListSelectionData <byte> values)
{
BaseList.WriteSelection(values);
}
public void InsertSelection(IListSelectionData <byte> values)
{
BaseList.InsertSelection(values);
}
