feat(module: table): add ExpandAll and CollapseAll methods. (#3491)

* feat(module: table): add ExpandAll and CollapseAll methods.

* update the demo

components/table/ITable.cs

@@ -22,6 +22,10 @@ namespace AntDesign
 
         void UnselectAll();
 
+        void ExpandAll();
+
+        void CollapseAll();
+
         internal TableLocale Locale { get; }
 
         internal ISelectionColumn Selection { get; set; }

components/table/Table.razor.RowData.cs

@@ -24,6 +24,22 @@ namespace AntDesign
             _selection?.StateHasChanged();
         }
 
+        public void ExpandAll()
+        {
+            foreach (var item in _rootRowDataCache)
+            {
+                item.Value.SetExpanded(true);
+            }
+        }
+
+        public void CollapseAll()
+        {
+            foreach (var item in _rootRowDataCache)
+            {
+                item.Value.SetExpanded(false);
+            }
+        }
+
         private RowData<TItem> GetGroupRowData(IGrouping<object, TItem> grouping, int index, int level, Dictionary<int, RowData<TItem>> rowCache = null)
         {
             int rowIndex = index + 1;

site/AntDesign.Docs/Demos/Components/Table/demo/Expand.razor

@@ -1,7 +1,7 @@
 @using System.ComponentModel
 @using TableModels
 
-<Table DataSource="data" RowExpandable="@((record)=>record.Data.Name!="Not Expandable")">
+<Table @ref="table" DataSource="data" RowExpandable="@((record)=>record.Data.Name!="Not Expandable")">
 	<ColumnDefinitions>
 		<PropertyColumn Property="c=>c.Name" />
 		<PropertyColumn Property="c=>c.Age" />
@@ -30,7 +30,14 @@
 	</ExpandTemplate>
 </Table>
 
+<br />
+
+<Button OnClick="()=> table.ExpandAll()">Expand All</Button>
+<Button OnClick="()=> table.CollapseAll()">Collapse All</Button>
+
+
 @code {
+    ITable table;
 
     Contact[] data =
     {

site/AntDesign.Docs/Demos/Components/Table/doc/index.en-US.md

@@ -106,6 +106,23 @@ Inherit from `Column`.
 | ---------------- | ---------------- | ---------------------------- | ------ |
 | Property         |  Defines the value to be displayed in this column's cells. | Expression<Func<TItem, TProp>> | - |
 
+
+### Public methods
+
+The Table can be controlled using the methods provided in the instance of the `@ref` binding `ITable`.
+
+| Methods           | Instruction                                | 
+| ---------------- | ------------------------------------------- | 
+| ReloadData       | Reloads the data, with three overloads, specifying paging, filtering, and sorting   | 
+| ResetData        | Reset table paging, filtering, sorting status                   |
+| GetQueryModel    | Gets table state, which can be used for persistence and recovery              |
+| SetSelection     | Set selection column                                 |
+| SelectAll        | Select all rows                                   |
+| UnselectAll      | Unselect all rows                                    |
+| ExpandAll        | Expand all rows                             |
+| CollapseAll      | Collapse all rows                     |
+
+
 ### Responsive
 
 The table supports responsive by default, and when the screen width is less than 960px, the table would switch to small-screen mode.

site/AntDesign.Docs/Demos/Components/Table/doc/index.zh-CN.md

@@ -108,6 +108,22 @@ cover: https://gw.alipayobjects.com/zos/alicdn/f-SbcX2Lx/Table.svg
 | Property         |  指定要绑定的属性 | Expression<Func<TItem, TProp>> | - |
 
 
+### 公开方法
+
+可以使用 `@ref` 绑定 `ITable` 的实例中提供的方法操作 Table。
+
+| 方法名             | 说明                                       | 
+| ---------------- | ------------------------------------------- | 
+| ReloadData       | 重新加载数据，有三个重载，可指定分页、筛选和排序   | 
+| ResetData        | 重置表格分页、筛选、排序状态                    |
+| GetQueryModel    | 获取表格状态，可用于持久化和恢复                |
+| SetSelection     | 设置选择列                                   |
+| SelectAll        | 全选                                        |
+| UnselectAll      | 取消全选                                     |
+| ExpandAll        | 展开全部列                                   |
+| CollapseAll      | 收起所有展开的的列                            |
+
+
 ### 响应式
 
 表格默认支持响应式，当屏幕宽度小于 960px 时，表格的数据列变为小屏模式。