feat: 增加 Loading 图标

Author: ArgoZhang

src/BootstrapBlazor/Components/Select/Select.razor

@@ -34,6 +34,7 @@
             <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>
             @if (IsVirtualize)
             {

src/BootstrapBlazor/Components/Select/Select.razor.cs

@@ -59,6 +59,13 @@ public partial class Select<TValue> : ISelect, ILookup
         .AddClass("is-fixed", IsFixedSearch)
         .Build();
 
+    /// <summary>
+    /// 获得 SearchLoadingIcon 图标字符串
+    /// </summary>
+    private string? SearchLoadingIconString => CssBuilder.Default("icon searching-icon")
+        .AddClass(SearchLoadingIcon)
+        .Build();
+
     private readonly List<SelectedItem> _children = [];
 
     /// <summary>

src/BootstrapBlazor/Components/Select/Select.razor.scss

@@ -216,6 +216,20 @@
     &:not(.show) {
         display: none;
     }
+
+    &.l {
+        .search-icon {
+            display: none;
+        }
+
+        .searching-icon {
+            display: block;
+        }
+    }
+
+    .searching-icon {
+        display: none;
+    }
 }
 
 .dropdown-menu .search.is-fixed {

src/BootstrapBlazor/Components/Select/SelectBase.cs

@@ -28,6 +28,12 @@ public abstract class SelectBase<TValue> : PopoverSelectBase<TValue>
     [Parameter]
     public string? SearchIcon { get; set; }
 
+    /// <summary>
+    /// 获得/设置 设置正在搜索图标
+    /// </summary>
+    [Parameter]
+    public string? SearchLoadingIcon { get; set; }
+
     /// <summary>
     /// 获得/设置 右侧下拉箭头图标 默认 fa-solid fa-angle-up
     /// </summary>
@@ -69,7 +75,7 @@ public abstract class SelectBase<TValue> : PopoverSelectBase<TValue>
     /// <summary>
     /// 获得 SearchIcon 图标字符串 默认增加 icon 样式
     /// </summary>
-    protected string? SearchIconString => CssBuilder.Default("icon")
+    protected string? SearchIconString => CssBuilder.Default("icon search-icon")
         .AddClass(SearchIcon)
         .Build();
 
@@ -98,6 +104,7 @@ protected override void OnParametersSet()
         base.OnParametersSet();
 
         SearchIcon ??= IconTheme.GetIconByKey(ComponentIcons.SelectSearchIcon);
+        SearchLoadingIcon ??= IconTheme.GetIconByKey(ComponentIcons.SearchButtonLoadingIcon);
     }
 
     /// <summary>