/// <summary>
/// Add new row of cell view models that corresponds to
/// rowNumber row in data model.
/// </summary>
/// <param name="rowNumber">Number of row in data model.</param>
private void CreateCellViewModelRow(int rowNumber)
{
_logger.Log($"Create {rowNumber} row of cells");
var row = new ObservableCollection <ICellViewModel>();
for (var x = 0; x < GridWidth; x++)
{
var cellViewModel = new CellViewModel(CellSet.GetCell(x, rowNumber));
row.Add(cellViewModel);
}
_logger.Log($"{rowNumber} row of cells is ready for rendering");
Cells.Add(row);
}
/// <summary>
/// Create 2-dimensional array of cells.
/// </summary>
/// <returns></returns>
private ObservableCollection <ObservableCollection <ICellViewModel> > CreateCells()
{
var cells = new ObservableCollection <ObservableCollection <ICellViewModel> >();
for (var posRow = 0; posRow < GridHeight; posRow++)
{
var row = new ObservableCollection <ICellViewModel>();
for (var posCol = 0; posCol < GridWidth; posCol++)
{
var cellViewModel = new CellViewModel(Cell.Empty);
row.Add(cellViewModel);
}
cells.Add(row);
}
return(cells);
}
/// <summary>
/// Add or remove cell view models to the row.
/// </summary>
/// <param name="rowNumber">Number of row in data model.</param>
private void UpdateCellViewModelRow(int rowNumber)
{
var row = Cells[rowNumber];
// delete extra cells
while (row.Count > GridWidth)
{
row.RemoveAt(GridWidth);
}
for (var pos = 0; pos < GridWidth; pos++)
{
// create new ViewModel or update existent one
var cell = CellSet.GetCell(pos, rowNumber);
if (pos < row.Count)
{
row[pos].Cell = cell;
}
else
{
var cellViewModel = new CellViewModel(cell);
row.Add(cellViewModel);
}
}
}
