/// <summary>
/// Instantiates a new instance of this class.
/// </summary>
public DataGrid()
{
_columns = new DataGridColumnCollection(this);
_columns.CollectionChanged += new NotifyCollectionChangedEventHandler(OnColumnsChanged);
_rowValidationRules = new ObservableCollection<ValidationRule>();
_rowValidationRules.CollectionChanged += new NotifyCollectionChangedEventHandler(OnRowValidationRulesChanged);
_selectedCells = new SelectedCellsCollection(this);
((INotifyCollectionChanged)Items).CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemsCollectionChanged);
((INotifyCollectionChanged)Items.SortDescriptions).CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemsSortDescriptionsChanged);
Items.GroupDescriptions.CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemsGroupDescriptionsChanged);
// Compute column widths but wait until first load
InternalColumns.InvalidateColumnWidthsComputation();
CellsPanelHorizontalOffsetComputationPending = false;
}
/// <summary>
/// Selects cells of the <see cref="XamGrid"/>.
/// </summary>
/// <param name="grid">The <see cref="XamGrid"/>.</param>
/// <param name="cellsToSelect">The cells that will be selected.</param>
private static void SelectCells(this XamGrid grid, IEnumerable<Cell> cellsToSelect)
{
if (cellsToSelect.Any())
{
grid.SelectionSettings.SelectedCells.Clear();
}
using (var selectedCollection = new SelectedCellsCollection())
{
foreach (var cell in cellsToSelect)
{
selectedCollection.Add(cell);
}
grid.SelectionSettings.SelectedCells.AddRange(selectedCollection);
}
}
