#213: use the ListItemContext for ListView::beforeItem and `ListV…

…iew::afterItem` too.

src/ListItemContext.php

@@ -6,7 +6,12 @@
 
 final class ListItemContext
 {
-
+    /**
+     * @param array|object $data The current data being rendered.
+     * @param int|string $key The key value associated with the current data.
+     * @param int $index The zero-based index of the data in the array.
+     * @param ListView $widget The list view object.
+     */
     public function __construct(
         public readonly array|object $data,
         public readonly int|string $key,

src/ListView.php

@@ -69,14 +69,9 @@ public function afterItem(Closure $value): self
      * It should have the following signature:
      *
      * ```php
-     * function ($data, $key, $index, $widget)
+     * function (ListItemContext $context)
      * ```
      *
-     * - `$data`: The current data being rendered.
-     * - `$key`: The key value associated with the current data.
-     * - `$index`: The zero-based index of the data in the array.
-     * - `$widget`: The list view object.
-     *
      * The return result of the function will be rendered directly.
      *
      * Note: If the function returns `null`, nothing will be rendered before the item.
@@ -325,7 +320,7 @@ private function renderAfterItem(ListItemContext $context): string
         $result = '';
 
         if (!empty($this->afterItem)) {
-            $result = (string)call_user_func($this->afterItem, $context->data, $context->key, $context->index, $context->widget);
+            $result = (string)call_user_func($this->afterItem, $context);
         }
 
         return $result;
@@ -347,7 +342,7 @@ private function renderBeforeItem(ListItemContext $context): string
         $result = '';
 
         if (!empty($this->beforeItem)) {
-            $result = (string)call_user_func($this->beforeItem, $context->data, $context->key, $context->index, $context->widget);
+            $result = (string)call_user_func($this->beforeItem, $context);
         }
 
         return $result;