static NSCell CreateCell(NSTableView table, CompositeCell source, CellView cell, int column)
{
ICellRenderer cr = null;
if (cell is ITextCellViewFrontend)
{
cr = new TextTableCell();
}
else if (cell is IImageCellViewFrontend)
{
cr = new ImageTableCell();
}
else if (cell is ICanvasCellViewFrontend)
{
cr = new CanvasTableCell();
}
else if (cell is ICheckBoxCellViewFrontend)
{
cr = new CheckBoxTableCell();
}
else if (cell is IRadioButtonCellViewFrontend)
{
cr = new RadioButtonTableCell();
}
else
{
throw new NotImplementedException();
}
cr.Backend = new CellViewBackend(table, column);
ICellViewFrontend fr = cell;
fr.AttachBackend(null, cr.Backend);
return((NSCell)cr);
}
static NSView CreateCellView(NSTableView table, CellView cell, int column)
{
ICellRenderer cr = null;
if (cell is ITextCellViewFrontend)
{
cr = new TextTableCell();
}
else if (cell is IImageCellViewFrontend)
{
cr = new ImageTableCell();
}
else if (cell is ICanvasCellViewFrontend)
{
cr = new CanvasTableCell();
}
else if (cell is ICheckBoxCellViewFrontend)
{
cr = new CheckBoxTableCell();
}
else if (cell is IRadioButtonCellViewFrontend)
{
cr = new RadioButtonTableCell();
}
else
{
throw new NotImplementedException();
}
ICellViewFrontend fr = cell;
CellViewBackend backend = null;
try {
//FIXME: although the cell views are based on XwtComponent, they don't implement
// the dynamic registration based backend creation and there is no way to
// identify whether the frontend has already a valid backend.
backend = cell.GetBackend() as CellViewBackend;
} catch (InvalidOperationException) { }
if (backend == null)
{
cr.Backend = new CellViewBackend(table, column);
fr.AttachBackend(null, cr.Backend);
}
else
{
cr.Backend = backend;
}
return((NSView)cr);
}
