private void Unbind(Cell cell, bool recycle)
{
if (cell == null)
{
throw new ArgumentNullException("cell");
}
if (!VirtualizingCellCollection.IsFreeCell(cell))
{
m_bindedCells.Remove(cell.FieldName);
}
else
{
Debug.Fail("Should always have a field name");
}
if (recycle)
{
// Put the cell into the appropriate recycle bin.
var recyclingGroup = this.GetRecyclingGroup(this.GetColumn(cell));
var recycleBin = this.GetRecycleBinOrNew(recyclingGroup);
// A released cell shouldn't be in the recycle bin already.
Debug.Assert(!recycleBin.Contains(cell));
recycleBin.Add(cell);
}
else
{
m_cells.Remove(cell);
}
}
private void ReleaseCore(Cell cell)
{
Debug.Assert(!VirtualizingCellCollection.IsFreeCell(cell), "Should always have a field name");
m_bindedCells.Remove(cell.FieldName);
switch (this.VirtualizationMode)
{
case ColumnVirtualizationMode.None:
{
//Not virtualizing
this.InternalRemoveCore(cell);
break;
}
case ColumnVirtualizationMode.Recycling:
{
// If recycling, put the cell into the appropriate recycle bin.
var recyclingGroup = this.GetRecyclingGroup(this.GetColumn(cell));
var recycleBin = this.GetRecycleBinOrNew(recyclingGroup);
// A released cell shouldn't be in the recycle bin already.
Debug.Assert(!recycleBin.Contains(cell));
recycleBin.Add(cell);
break;
}
case ColumnVirtualizationMode.Virtualizing:
{
//Virtualizing with no recycling
m_unbindedCells.Add(cell.FieldName, cell);
break;
}
}
}
private void InternalRemoveCore(Cell cell, bool unbind = false)
{
Debug.Assert(!VirtualizingCellCollection.IsFreeCell(cell), "Should always have a field name");
if (unbind)
{
m_bindedCells.Remove(cell.FieldName);
}
m_cells.Remove(cell);
m_parentRow.RemoveFromVisualTree(cell);
//This must absolutely be done once every collection has removed the cell, for the ParentColumn will be set to null, thus the FieldName will be lost.
cell.CleanUpOnRemove();
}
private void Bind(Cell cell, bool overwrite)
{
if (cell == null)
{
throw new ArgumentNullException("cell");
}
if (!VirtualizingCellCollection.IsFreeCell(cell))
{
string fieldName = cell.FieldName;
Cell oldCell;
if (m_bindedCells.TryGetValue(fieldName, out oldCell))
{
if (cell == oldCell)
{
return;
}
if (!overwrite)
{
this.ThrowCellBinded(fieldName);
}
this.InternalRemove(oldCell);
}
m_bindedCells.Add(fieldName, cell);
}
else
{
if (m_freeCells == null)
{
m_freeCells = new List <Cell>(1);
}
m_freeCells.Add(cell);
}
m_cells.Add(cell);
}
