处理文章分类删除判断

app/Admin/Actions/Grid/ArticleList.php

@@ -16,9 +16,13 @@ class ArticleList extends RowAction
      */
     protected $title = 'Title';
 
-    public function getTitle()
+    public function title()
     {
-        return __('admin.list');
+        if ($this->title) {
+            return $this->title;
+        }
+
+        return '<i class="feather icon-list grid-action-icon"></i> '.__('admin.list').' &nbsp;&nbsp;';
     }
 
     /**

app/Admin/Controllers/ArticleCategoryController.php

@@ -4,6 +4,7 @@ namespace App\Admin\Controllers;
 
 use App\Admin\Actions\Grid\ArticleList;
 use App\Admin\Repositories\ArticleCategory;
+use App\Models\Article;
 use App\Models\ArticleCategory as ArticleCategoryModel;
 use Dcat\Admin\Admin;
 use Dcat\Admin\Form;
@@ -61,7 +62,7 @@ class ArticleCategoryController extends AdminController
             $grid->actions(function (Grid\Displayers\Actions $actions) {
                 $actions->disableDelete(Admin::user()->cannot('dcat.admin.article_categories.destroy'));
                 if (Admin::user()->can('dcat.admin.articles.index')) {
-                    $actions->prepend(new ArticleList());
+                    $actions->prepend(new ArticleList(__('admin.list')));
                 }
             });
 
@@ -113,4 +114,14 @@ class ArticleCategoryController extends AdminController
             $form->display('updated_at');
         });
     }
+
+    public function destroy($id)
+    {
+        //如果有子分类或者分类下有文章则不允许删除
+        if (ArticleCategoryModel::descendantsOf($id, ['id'])->count() > 0
+            || Article::where('category_id', $id)->count() > 0) {
+            abort(400, __('article-category.options.deny_message'));
+        }
+        return parent::destroy($id);
+    }
 }

resources/lang/zh_CN/article-category.php

@@ -13,5 +13,7 @@ return [
         'sort' => '排序',
     ],
     'options' => [
+        'deny' => '删除失败',
+        'deny_message'=>'请先删除该分类下的子分类或者文章',
     ],
 ];