public override NSView GetViewForItem(NSTableView tableView, NSTableColumn tableColumn, nint row)
{
int sectionIndex;
bool isHeader;
int itemIndexInSection;
GetComputedIndexes(row, out sectionIndex, out itemIndexInSection, out isHeader);
string id;
Cell cell;
if (isHeader)
{
id = HeaderIdentifier;
cell = Controller.Model.GetHeaderCell(sectionIndex) ??
new TextCell {
Text = Controller.Model.GetSectionTitle(sectionIndex)
};
}
else
{
id = ItemIdentifier;
cell = Controller.Model.GetCell(sectionIndex, itemIndexInSection);
}
var nativeCell = CellNSView.GetNativeCell(tableView, cell, id, isHeader);
return(nativeCell);
}
public override NSView GetViewForItem(NSTableView tableView, NSTableColumn tableColumn, nint row)
{
var sectionIndex = 0;
var itemIndexInSection = (int)row;
Cell cell;
var isHeader = false;
if (IsGroupingEnabled)
{
GetComputedIndexes(row, out sectionIndex, out itemIndexInSection, out isHeader);
}
var indexPath = NSIndexPath.FromItemSection(itemIndexInSection, sectionIndex);
var templateId = isHeader ? "headerCell" : TemplateIdForPath(indexPath).ToString();
NSView nativeCell;
var cachingStrategy = Controller.CachingStrategy;
if (cachingStrategy == ListViewCachingStrategy.RetainElement)
{
cell = GetCellForPath(indexPath, isHeader);
nativeCell = CellNSView.GetNativeCell(tableView, cell, templateId, isHeader);
}
else if (cachingStrategy == ListViewCachingStrategy.RecycleElement)
{
nativeCell = tableView.MakeView(templateId, tableView);
if (nativeCell == null)
{
cell = GetCellForPath(indexPath, isHeader);
nativeCell = CellNSView.GetNativeCell(tableView, cell, templateId, isHeader, true);
}
else
{
var templatedList = TemplatedItemsView.TemplatedItems.GetGroup(sectionIndex);
cell = (Cell)((INativeElementView)nativeCell).Element;
ICellController controller = cell;
controller.SendDisappearing();
templatedList.UpdateContent(cell, itemIndexInSection);
controller.SendAppearing();
}
}
else
{
throw new NotSupportedException();
}
return(nativeCell);
}