refactor: 改造 SelectGeneric 组件适配 IsFixedSearch 功能

Author: ArgoZhang

src/BootstrapBlazor/Components/SelectGeneric/SelectGeneric.razor

@@ -30,12 +30,15 @@
         {
             <span class="@ClearClassString" @onclick="OnClearValue"><i class="@ClearIcon"></i></span>
         }
-        <div class="dropdown-menu">
-            <div class="@SearchClassString">
-                <input type="text" class="search-text form-control" autocomplete="off" value="@SearchText" aria-label="search">
-                <i class="@SearchIconString"></i>
-                <i class="@SearchLoadingIconString"></i>
-            </div>
+        <div class="@DropdownMenuClassString">
+            @if (ShowSearch)
+            {
+                <div class="dropdown-menu-search">
+                    <input type="text" class="search-text form-control" autocomplete="off" value="@SearchText" aria-label="search" />
+                    <i class="@SearchIconString"></i>
+                    <i class="@SearchLoadingIconString"></i>
+                </div>
+            }
             @if (IsVirtualize)
             {
                 <div class="dropdown-virtual">
@@ -49,6 +52,10 @@
                     }
                 </div>
             }
+            else if (Rows.Count == 0)
+            {
+                <div class="dropdown-item">@NoSearchDataText</div>
+            }
             else
             {
                 @foreach (var itemGroup in Rows.GroupBy(i => i.GroupName))
@@ -69,10 +76,6 @@
                         @RenderRow(item)
                     }
                 }
-                @if (Rows.Count == 0)
-                {
-                    <div class="dropdown-item">@NoSearchDataText</div>
-                }
             }
         </div>
         @if (!IsPopover)

src/BootstrapBlazor/Components/SelectGeneric/SelectGeneric.razor.cs

@@ -3,10 +3,8 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
 
-using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web.Virtualization;
 using Microsoft.Extensions.Localization;
-using System.ComponentModel.DataAnnotations;
 
 namespace BootstrapBlazor.Components;
 
@@ -57,10 +55,6 @@ public partial class SelectGeneric<TValue> : ISelectGeneric<TValue>, IModelEqual
         .AddClass("disabled", item.IsDisabled)
         .Build();
 
-    private string? SearchClassString => CssBuilder.Default("search")
-        .AddClass("is-fixed", IsFixedSearch)
-        .Build();
-
     private readonly List<SelectedItem<TValue>> _children = [];
 
     /// <summary>
@@ -76,12 +70,6 @@ public partial class SelectGeneric<TValue> : ISelectGeneric<TValue>, IModelEqual
     [Parameter]
     public Func<string, IEnumerable<SelectedItem<TValue>>>? OnSearchTextChanged { get; set; }
 
-    /// <summary>
-    /// 获得/设置 是否固定下拉框中的搜索栏 默认 false
-    /// </summary>
-    [Parameter]
-    public bool IsFixedSearch { get; set; }
-
     /// <summary>
     /// 获得/设置 是否可编辑 默认 false
     /// </summary>
@@ -121,7 +109,7 @@ public partial class SelectGeneric<TValue> : ISelectGeneric<TValue>, IModelEqual
     public RenderFragment<SelectedItem<TValue>?>? DisplayTemplate { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否开启虚拟滚动 默认 false 未开启 注意：开启虚拟滚动后不支持 <see cref="SelectBase{TValue}.ShowSearch"/> <see cref="PopoverSelectBase{TValue}.IsPopover"/> <seealso cref="IsFixedSearch"/> 参数设置，设置初始值时请设置 <see cref="DefaultVirtualizeItemText"/>
+    /// 获得/设置 是否开启虚拟滚动 默认 false 未开启
     /// </summary>
     [Parameter]
     public bool IsVirtualize { get; set; }
@@ -312,7 +300,7 @@ private List<SelectedItem<TValue>> GetRowsByItems()
     private List<SelectedItem<TValue>> GetRowsBySearch()
     {
         var items = OnSearchTextChanged?.Invoke(SearchText) ?? FilterBySearchText(GetRowsByItems());
-        return items.ToList();
+        return [.. items];
     }
 
     private IEnumerable<SelectedItem<TValue>> FilterBySearchText(IEnumerable<SelectedItem<TValue>> source) => string.IsNullOrEmpty(SearchText)
@@ -363,7 +351,7 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
     /// </summary>
     private int TotalCount { get; set; }
 
-    private List<SelectedItem<TValue>> GetVirtualItems() => FilterBySearchText(GetRowsByItems()).ToList();
+    private List<SelectedItem<TValue>> GetVirtualItems() => [.. FilterBySearchText(GetRowsByItems())];
 
     /// <summary>
     /// 虚拟滚动数据加载回调方法