完成列表选择器

Assets/Scripts/UI/Common/List/ClassifyList.cs

@@ -54,18 +54,16 @@ namespace NBF
             {
                 _selector.Down();
             }
+            else if (action == InputDef.UI.Enter)
+            {
+                var selectedItem = _selector.SelectedItem;
+                if (selectedItem != null)
+                {
+                    OnClickItem?.Invoke(selectedItem);
+                }
+            }
         }
 
-        // private void SetListSelected(int selectedIndex)
-        // {
-        //     if (selectedIndex >= 0 && selectedIndex < _listData.Count)
-        //     {
-        //         var count = List.numChildren;
-        //         List.selectedIndex = selectedIndex;
-        //         List.ScrollToView(selectedIndex);
-        //     }
-        // }
-
         public void SetListData(List<object> listData,
             ListSelectionMode selectionMode = ListSelectionMode.Single)
         {

Assets/Scripts/UI/Common/List/ListSelector.cs

@@ -14,12 +14,14 @@ namespace NBF
         private float itemWidth = 200f;
         private float itemHeight = 180f;
 
+        public object SelectedItem => _list.selectedIndex > 0 ? _list.GetChildAt(_list.selectedIndex) : null;
+
         public ListSelector(GList list, params Type[] ignores)
         {
             _list = list;
-            if (ignores != null && _ignores.Count > 0)
+            if (ignores != null && ignores.Length > 0)
             {
-                _ignores.AddRange(_ignores);
+                _ignores.AddRange(ignores);
             }
         }
 
@@ -73,6 +75,21 @@ namespace NBF
             var currentPos = GetItemPosition(_list.selectedIndex);
             var nearestIndex = FindNearestSelectableItem(currentPos, direction);
 
+            // 如果是左右移动且未找到目标，则尝试寻找前一个或后一个可选项
+            if (nearestIndex == -1 && (direction == Vector2.left || direction == Vector2.right))
+            {
+                if (direction == Vector2.left)
+                {
+                    // 寻找前一个可选项
+                    nearestIndex = FindPreviousSelectableItem(_list.selectedIndex);
+                }
+                else if (direction == Vector2.right)
+                {
+                    // 寻找后一个可选项
+                    nearestIndex = FindNextSelectableItem(_list.selectedIndex);
+                }
+            }
+
             if (nearestIndex != -1)
             {
                 SetSelection(nearestIndex);
@@ -116,6 +133,28 @@ namespace NBF
             return bestIndex;
         }
 
+        private int FindPreviousSelectableItem(int currentIndex)
+        {
+            for (int i = currentIndex - 1; i >= 0; i--)
+            {
+                if (IsSelectableItem(i))
+                    return i;
+            }
+
+            return -1;
+        }
+
+        private int FindNextSelectableItem(int currentIndex)
+        {
+            for (int i = currentIndex + 1; i < _list.numItems; i++)
+            {
+                if (IsSelectableItem(i))
+                    return i;
+            }
+
+            return -1;
+        }
+
         private bool IsDirectionMatch(Vector2 direction, Vector2 diff)
         {
             if (direction == Vector2.up)
@@ -132,7 +171,12 @@ namespace NBF
         private bool IsSelectableItem(int index)
         {
             var item = _list.GetChildAt(index);
-            return !_ignores.Contains(item.GetType());
+            var ret = !_ignores.Contains(item.GetType());
+            if (item.GetType() == typeof(ListTitleItem))
+            {
+            }
+
+            return ret;
         }
 
         private void SelectFirstSelectable()
@@ -150,7 +194,7 @@ namespace NBF
         private void SetSelection(int index)
         {
             _list.selectedIndex = index;
-            // selection.position = items[index].position;
+            _list.ScrollToView(index, true);
         }
 
         #endregion