ant-design-blazor/components/table/Table.razor.Selection.cs
zmayor b8522e27de fix(module: table): set selectedRows exception (#1148)
* fix(module:table): set selectedRows exception

* fix(module:table): set selectedRows exception
2021-02-20 17:50:27 +08:00

67 lines
1.8 KiB
C#

using System.Collections.Generic;
using System.Linq;
using AntDesign.TableModels;
using Microsoft.AspNetCore.Components;
namespace AntDesign
{
public partial class Table<TItem> : ITable
{
[Parameter]
public IEnumerable<TItem> SelectedRows
{
get => _selectedRows;
set
{
_dataSourceCache ??= new Dictionary<int, RowData<TItem>>();
if (value != null && value.Any())
{
_dataSourceCache.Values.ForEach(x => x.Selected = x.Data.IsIn(value));
}
else if (_selectedRows != null)
{
_dataSourceCache.Values.ForEach(x => x.Selected = false);
}
_selectedRows = value;
StateHasChanged();
}
}
[Parameter]
public EventCallback<IEnumerable<TItem>> SelectedRowsChanged { get; set; }
private ISelectionColumn _selection;
private IEnumerable<TItem> _selectedRows;
ISelectionColumn ITable.Selection
{
get => _selection;
set => _selection = value;
}
public void SetSelection(string[] keys)
{
_selection.SetSelection(keys);
}
void ITable.SelectionChanged() => SelectionChanged();
private void SelectionChanged()
{
foreach (var selection in _selection.RowSelections)
{
_dataSourceCache[selection.RowData.CacheKey].Selected = selection.Checked;
}
if (SelectedRowsChanged.HasDelegate)
{
_selectedRows = _dataSourceCache.Values.Where(x => x.Selected).Select(x => x.Data);
SelectedRowsChanged.InvokeAsync(_selectedRows);
}
}
}
}