feat: 增加无数据处理逻辑

Author: ArgoZhang

src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor

@@ -39,7 +39,7 @@
             }
             @if (ShowNoDataTip && Rows.Count == 0)
             {
-                <div class="dropdown-item">@NoDataTip</div>
+                <div class="dropdown-item tip">@NoDataTip</div>
             }
         </div>
     </div>;

src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.cs

@@ -129,11 +129,11 @@ protected override void OnParametersSet()
     /// Callback method when a candidate item is clicked
     /// </summary>
     [JSInvokable]
-    public async Task TriggerClick(int index)
+    public async Task<string?> TriggerClick(int index)
     {
         if (index < 0 || index >= Rows.Count)
         {
-            return;
+            return null;
         }
 
         var item = Rows[index];
@@ -150,6 +150,7 @@ public async Task TriggerClick(int index)
         }
 
         await TriggerFilter(Value);
+        return Value;
     }
 
     private List<string> Rows => _filterItems ?? [.. Items];

src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.js

@@ -51,15 +51,24 @@ export function init(id, invoke, value) {
         })
     }
 
-    EventHandler.on(menu, 'click', '.dropdown-item', e => {
+    EventHandler.on(menu, 'click', '.dropdown-item', async e => {
         const item = e.delegateTarget;
+        if (item.classList.contains('tip')) {
+            return;
+        }
+
         const val = item.getAttribute('data-bb-val');
-        input.value = val;
+        if (val) {
+            input.value = val;
+        }
         ac.close();
 
         const items = [...item.parentElement.children];
         const index = items.indexOf(item);
-        invoke.invokeMethodAsync('TriggerClick', index);
+        const text = await invoke.invokeMethodAsync('TriggerClick', index);
+        if (input.value !== text) {
+            input.value = text;
+        }
     });
 
     EventHandler.on(input, 'focus', e => {