protected virtual nfloat GetRowWidth(ICellHandler cell, int row, CGSize cellSize)
{
var item = DataViewHandler.GetItem(row);
var val = GetObjectValue(item);
return(cell.GetPreferredSize(val, cellSize, row, item));
}
public nfloat GetPreferredWidth(NSRange?range = null)
{
var handler = DataViewHandler;
nfloat width = (nfloat)0; //Control.DataCell.CellSize.Width;
var outlineView = handler.Table as NSOutlineView;
if (handler.ShowHeader)
{
width = (nfloat)Math.Max(Control.HeaderCell.CellSize.Width, width);
}
if (dataCell != null)
{
/* If no range specified, size based on visible cells */
var currentRange = range ?? handler.Table.RowsInRect(handler.GetVisibleRect());
var cellSize = Control.DataCell.CellSize;
cellSize.Height = (nfloat)Math.Max(cellSize.Height, handler.RowHeight);
var cell = DataCellHandler;
for (int i = (int)currentRange.Location; i < (int)(currentRange.Location + currentRange.Length); i++)
{
var item = DataViewHandler.GetItem(i);
var val = GetObjectValue(item);
var cellWidth = cell.GetPreferredWidth(val, cellSize, i, item);
if (outlineView != null && Column == 0)
{
cellWidth += (float)((outlineView.LevelForRow((nint)i) + 1) * outlineView.IndentationPerLevel);
}
width = (nfloat)Math.Max(width, cellWidth);
}
}
return(width);
}
public nfloat GetPreferredWidth(NSRange?range = null)
{
var handler = DataViewHandler;
nfloat width = 0;
if (!AutoSize)
{
return(Width);
}
var outlineView = handler.Table as NSOutlineView;
if (handler.ShowHeader)
{
width = (nfloat)Math.Max(Control.HeaderCell.CellSizeForBounds(new CGRect(0, 0, int.MaxValue, int.MaxValue)).Width, width);
if (outlineView != null && Column == 0)
{
width += (float)outlineView.IndentationPerLevel;
}
}
if (dataCell != null)
{
/* If no range specified, size based on visible cells */
var currentRange = range ?? handler.Table.RowsInRect(handler.GetVisibleRect());
var cellSize = Control.DataCell.CellSize;
cellSize.Height = (nfloat)Math.Max(cellSize.Height, handler.RowHeight);
var cell = DataCellHandler;
for (int i = (int)currentRange.Location; i < (int)(currentRange.Location + currentRange.Length); i++)
{
var item = DataViewHandler.GetItem(i);
var val = GetObjectValue(item);
var cellWidth = cell.GetPreferredWidth(val, cellSize, i, item);
// -1 signifies that it doesn't support getting the preferred width
if (cellWidth == -1)
{
cellWidth = Control.Width;
}
else if (outlineView != null && Column == 0)
{
cellWidth += outlineView.GetCellFrame(0, i).X;
}
width = (nfloat)Math.Max(width, cellWidth);
}
}
width = (nfloat)Math.Max(MinWidth, Math.Min(MaxWidth, width));
return(width);
}