refactor: 重构代码

Author: ArgoZhang

src/BootstrapBlazor/Components/Select/MultiSelect.razor

@@ -35,7 +35,7 @@
                     }
                 }
             }
-            @if (IsEditable)
+            @if (CheckCanEdit())
             {
                 <input type="text" class="multi-select-input" autocomplete="off" tabindex="0" data-bb-trigger-key="@EditSubmitKeyString" />
             }

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

@@ -298,14 +298,15 @@ public async Task<bool> TriggerEditTag(string val)
         else if (!string.IsNullOrEmpty(val))
         {
             ret = GetData().Find(i => i.Text.Equals(val, StringComparison.OrdinalIgnoreCase)) ?? new SelectedItem(val, val);
+        }
+        if (ret != null)
+        {
             if (SelectedItems.Find(i => i.Text.Equals(val, StringComparison.OrdinalIgnoreCase)) == null)
             {
                 SelectedItems.Add(ret);
             }
-        }
-        if (ret != null)
-        {
             // 更新选中值
+            _isToggle = true;
             await SetValue();
         }
         return ret != null;
@@ -442,6 +443,21 @@ private bool CheckCanSelect(SelectedItem item)
         return !ret;
     }
 
+    private bool CheckCanEdit()
+    {
+        var ret = IsEditable;
+        if (ret == false)
+        {
+            return false;
+        }
+
+        if (Max > 0)
+        {
+            ret = SelectedItems.Count < Max;
+        }
+        return ret;
+    }
+
     private List<SelectedItem> GetData()
     {
         var data = Items;

src/BootstrapBlazor/Components/Select/MultiSelect.razor.js

@@ -33,8 +33,10 @@ export function init(id, invoke, method) {
     EventHandler.on(itemsElement, 'keyup', '.multi-select-input', async e => {
         const triggerSpace = e.target.getAttribute('data-bb-trigger-key') === 'space';
         let submit = false;
-        if (triggerSpace && e.code === 'Space') {
-            submit = true;
+        if (triggerSpace) {
+            if (e.code === 'Space') {
+                submit = true;
+            }
         }
         else if (e.code === 'Enter' || e.code === 'NumPadEnter') {
             submit = true;