column('id')->sortable(); $grid->column('name')->tree(); $grid->column('cover')->image(100, 100); $grid->column('is_show') ->if(function () { return Admin::user()->can('dcat.admin.article_categories.edit'); }) ->then(function (Column $column) { $column->switch(); }) ->else(function (Column $column) { $column->bool(); }); $grid->column('is_recommend') ->if(function () { return Admin::user()->can('dcat.admin.article_categories.edit'); }) ->then(function (Column $column) { $column->switch(); }) ->else(function (Column $column) { $column->bool(); }); $grid->column('sort'); $grid->column('created_at')->sortable(); //排序 $grid->model()->orderBy('created_at', 'desc'); /** 操作 **/ //新增 if (Admin::user()->can('dcat.admin.article_categories.create')) { $grid->disableCreateButton(false); $grid->enableDialogCreate(); } //修改 $grid->showQuickEditButton(Admin::user()->can('dcat.admin.article_categories.edit')); //删除以及自定义操作 $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('  '.__('admin.list'). ''); // $actions->prepend(new ArticleList()); } }); /** 查询 **/ $grid->filter(function (Grid\Filter $filter) { $filter->panel(); $filter->equal('name')->width(3); }); }); } /** * Make a show builder. * * @param mixed $id * * @return Show */ protected function detail($id) { return Show::make($id, new ArticleCategory(), function (Show $show) { $show->field('id'); $show->field('name'); $show->field('parent_id'); $show->field('is_show'); $show->field('is_recommend'); $show->field('sort'); $show->field('created_at'); $show->field('updated_at'); }); } /** * Make a form builder. * * @return Form */ protected function form() { return Form::make(new ArticleCategory(), function (Form $form) { $form->display('id'); $form->select('parent_id')->options(ArticleCategoryModel::selectOptions()); $form->text('name')->required(); $form->image('cover') ->move('article-category/'.Carbon::now()->toDateString()) ->saveFullUrl() ->removable(false) ->autoUpload()->retainable(); $form->switch('is_show'); $form->switch('is_recommend'); $form->number('sort')->min(0)->default(0); $form->display('created_at'); $form->display('updated_at'); }); } public function destroy($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', $id)->count() > 0) { throw new BizException(__('article-category.options.deny_message')); } return parent::destroy($id); } }