public GridWindow()
{
InitializeComponent();
_rowPageManager = new PageManager<string>(
new HeaderProvider(RowCount, true),
64,
TimeSpan.FromMinutes(1.0),
4);
_columnPageManager = new PageManager<string>(
new HeaderProvider(ColumnCount, true),
64,
TimeSpan.FromMinutes(1.0),
4);
_pageManager = new Page2DManager<GridItem>(
new ItemsProvider(RowCount, ColumnCount),
64,
TimeSpan.FromMinutes(1.0),
4);
this.VGrid.ItemsSource = _dataSource = new DynamicGridDataSource(_pageManager);
this.VGrid.RowHeaderSource = new DelegateList<PageItem<string>>(0, (i) => _rowPageManager.GetItem(i), _rowPageManager.Count);
this.VGrid.ColumnHeaderSource = new DelegateList<PageItem<string>>(0, (i) => _columnPageManager.GetItem(i), _columnPageManager.Count);
}
protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
{
_dataSource = newValue as DynamicGridDataSource;
if (_dataSource == null) {
throw new NotSupportedException($"JointGrid supports only {typeof(DynamicGridDataSource)} for ItemsSource");
}
ExtentWidth = _dataSource.ColumnCount;
ViewportWidth = 10;
ScrollableWidth = ExtentWidth - ViewportWidth;
base.OnItemsSourceChanged(oldValue, newValue);
}
