feat(Table): IsKeepSelectedRows effect in add method (#4414)

* feat: 增加 IsKeepSelectedRowAfterAdd 参数

* refactor: 重构代码

* chore: bump version 8.10.2-beta04

* test: 更新单元测试

* doc: 增加 IsKeepSelectedRowAfterAdd 参数文档

* Revert "refactor: 重构代码"

This reverts commit b6d77cf.

* refactor: 代码重构

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Table/Tables.razor.cs

@@ -646,6 +646,22 @@ private AttributeItem[] GetAttributes() =>
             DefaultValue = "false"
         },
         new()
+        {
+            Name = nameof(Table<Foo>.IsKeepSelectedRows),
+            Description = Localizer["IsKeepSelectedRowsAttr"],
+            Type = "boolean",
+            ValueList = "true / false",
+            DefaultValue = "false"
+        },
+        new()
+        {
+            Name = nameof(Table<Foo>.IsKeepSelectedRowAfterAdd),
+            Description = Localizer["IsKeepSelectedRowAfterAddAttr"],
+            Type = "boolean",
+            ValueList = "true / false",
+            DefaultValue = "false"
+        },
+        new()
         {
             Name = "ClickToSelect",
             Description = Localizer["ClickToSelectAttr"],

src/BootstrapBlazor.Server/Locales/en-US.json

@@ -4894,6 +4894,8 @@
     "IsTreeAttr": "Is it tree data",
     "IsDetailsAttr": "Whether it is a detail row table, use DetailRowTemplate for logical judgment when not set",
     "IsHideFooterWhenNoDataAttr": "Whether to show Footer when no data is available",
+    "IsKeepSelectedRowsAttr": "Whether to keep the selected row after switch page index",
+    "IsKeepSelectedRowAfterAddAttr": "Whether to keep the selected row after call add method",
     "ClickToSelectAttr": "Click on the line to select the line",
     "ShowCheckboxTextAttr": "Selection column that displays text",
     "ShowFooterAttr": "Show feet",

src/BootstrapBlazor.Server/Locales/zh-CN.json

@@ -4894,6 +4894,8 @@
     "IsTreeAttr": "是否为树形数据",
     "IsDetailsAttr": "是否为明细行表格，未设置时使用 DetailRowTemplate 进行逻辑判断",
     "IsHideFooterWhenNoDataAttr": "无数据时是否显示 Footer",
+    "IsKeepSelectedRowsAttr": "翻页后是否保持选中行数据",
+    "IsKeepSelectedRowAfterAddAttr": "新建数据后是否保持选中行",
     "ClickToSelectAttr": "点击行即选中本行",
     "ShowCheckboxTextAttr": "显示文字的选择列",
     "ShowFooterAttr": "是否显示表脚",

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>8.10.2-beta03</Version>
+    <Version>8.10.2-beta04</Version>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">

src/BootstrapBlazor/Components/Table/Table.razor.Checkbox.cs

@@ -24,6 +24,12 @@ public partial class Table<TItem>
     [Parameter]
     public bool IsKeepSelectedRows { get; set; }
 
+    /// <summary>
+    /// 获得/设置 新建数据是否保持原选择行，默认为 false 不保持
+    /// </summary>
+    [Parameter]
+    public bool IsKeepSelectedRowAfterAdd { get; set; }
+
     /// <summary>
     /// 获得 表头行是否选中状态
     /// </summary>

src/BootstrapBlazor/Components/Table/Table.razor.Edit.cs

@@ -287,21 +287,18 @@ private async Task InternalOnAddAsync()
     [Parameter]
     public Func<TItem>? CreateItemCallback { get; set; }
 
-    private TItem CreateTItem()
+    private TItem CreateTItem() => CreateItemCallback?.Invoke() ?? CreateInstance();
+
+    private TItem CreateInstance()
     {
-        var item = CreateItemCallback?.Invoke();
-        if (item == null)
+        try
         {
-            try
-            {
-                item = Activator.CreateInstance<TItem>();
-            }
-            catch (Exception)
-            {
-                throw new InvalidOperationException($"{typeof(TItem)} missing new() method. Please provider {nameof(CreateItemCallback)} create the {typeof(TItem)} instance. {typeof(TItem)} 未提供无参构造函数 new() 请通过 {nameof(CreateItemCallback)} 回调方法创建实例");
-            }
+            return Activator.CreateInstance<TItem>();
+        }
+        catch (Exception)
+        {
+            throw new InvalidOperationException($"{typeof(TItem)} missing new() method. Please provider {nameof(CreateItemCallback)} create the {typeof(TItem)} instance. {typeof(TItem)} 未提供无参构造函数 new() 请通过 {nameof(CreateItemCallback)} 回调方法创建实例");
         }
-        return item;
     }
 
     /// <summary>

src/BootstrapBlazor/Components/Table/Table.razor.Toolbar.cs

@@ -486,8 +486,12 @@ public async Task AddAsync()
             // 数据源为 DataTable 新建后重建行与列
             await DynamicContext.AddAsync(SelectedRows.OfType<IDynamicObject>());
             ResetDynamicContext();
-            SelectedRows.Clear();
-            await OnSelectedRowsChanged();
+
+            if (!IsKeepSelectedRowAfterAdd)
+            {
+                SelectedRows.Clear();
+                await OnSelectedRowsChanged();
+            }
         }
         else if (IsExcel)
         {

test/UnitTest/Components/TableTest.cs

@@ -185,7 +185,7 @@ await cut.InvokeAsync(() =>
     [Theory]
     [InlineData(InsertRowMode.First)]
     [InlineData(InsertRowMode.Last)]
-    public void Items_EditForm_Add(InsertRowMode insertMode)
+    public async Task Items_EditForm_Add(InsertRowMode insertMode)
     {
         var updated = false;
         var localizer = Context.Services.GetRequiredService<IStringLocalizer<Foo>>();
@@ -206,7 +206,7 @@ public void Items_EditForm_Add(InsertRowMode insertMode)
             });
         });
         var table = cut.FindComponent<Table<Foo>>();
-        _ = table.Instance.AddAsync();
+        await cut.InvokeAsync(table.Instance.AddAsync);
         Assert.True(updated);
         Assert.Equal(2, table.Instance.Rows.Count);
     }
@@ -6046,6 +6046,35 @@ public async Task DynamicContext_Add()
         await cut.InvokeAsync(() => delete.Instance.OnConfirm());
     }
 
+    [Fact]
+    public async Task IsKeepSelectedRowAfterAdd_Ok()
+    {
+        var localizer = Context.Services.GetRequiredService<IStringLocalizer<Foo>>();
+        var items = Foo.GenerateFoo(localizer, 2);
+        var cut = Context.RenderComponent<BootstrapBlazorRoot>(pb =>
+        {
+            pb.AddChildContent<Table<DynamicObject>>(pb =>
+            {
+                pb.Add(a => a.RenderMode, TableRenderMode.Table);
+                pb.Add(a => a.IsMultipleSelect, true);
+                pb.Add(a => a.IsKeepSelectedRowAfterAdd, true);
+                pb.Add(a => a.DynamicContext, CreateDynamicContext(localizer));
+            });
+        });
+
+        var table = cut.FindComponent<Table<DynamicObject>>();
+
+        // 选中第一行数据
+        var input = cut.Find("tbody .form-check-input");
+        await cut.InvokeAsync(() => input.Click());
+        var selectedRow = table.Instance.SelectedRows.FirstOrDefault();
+        Assert.NotNull(selectedRow);
+
+        await cut.InvokeAsync(() => table.Instance.AddAsync());
+        selectedRow = table.Instance.SelectedRows.FirstOrDefault();
+        Assert.NotNull(selectedRow);
+    }
+
     [Fact]
     public async Task DynamicContext_Edit()
     {