title($this->title)
->description('管理文章分类')
->body(function (Row $row) {
$row->column(6, $this->treeView());
$row->column(6, $this->grid());
});
}
/**
* 树形视图
*
* @return Tree
*/
protected function treeView()
{
return new Tree(new ArticleCate(), function (Tree $tree) {
$tree->branch(function ($branch) {
$status = $branch['status'] == STATUS::SHOW->value ? '显示' : '隐藏';
$icon = $branch['img'] ? "
" : '';
return "{$icon} {$branch['title']} ({$branch['unid']}) [{$status}]";
});
});
}
/**
* 列表页
*
* @return Grid
*/
protected function grid()
{
return Grid::make(new ArticleCate(), function (Grid $grid) {
$helper = new GridHelper($grid, $this);
$helper->columnId();
$grid->column('title', '分类名称');
$grid->column('unid', '标识');
$grid->column('img', '图标')->image('', 50, 50);
$helper->columnStatus();
$grid->column('desc1', '描述')->limit(30);
$grid->column('pid', '父级分类')->display(function ($pid) {
if (!$pid) return '顶级';
$parent = ArticleCate::find($pid);
return $parent ? $parent->title : '';
});
$helper->columnCreatedAt();
$helper->columnUpdatedAt();
// 筛选
$grid->filter(function (Grid\Filter $filter) {
$helper = new FilterHelper($filter, $this);
$helper->equalId();
$filter->like('title', '分类名称');
$filter->like('unid', '标识');
$helper->equalStatus();
$filter->equal('pid', '父级分类')->select(function () {
$options = [0 => '顶级'];
$categories = ArticleCate::all();
foreach ($categories as $category) {
$options[$category->id] = $category->title;
}
return $options;
});
});
// 禁用批量删除
$grid->disableBatchDelete();
// 行操作
$grid->actions(function (Grid\Displayers\Actions $actions) {
// 如果不可删除，禁用删除按钮
if (!$actions->row->can_delete) {
$actions->disableDelete();
}
});
});
}
/**
* 详情页
*
* @param mixed $id
* @return Show
*/
protected function detail($id)
{
return Show::make($id, new ArticleCate(), function (Show $show) {
$helper = new ShowHelper($show, $this);
$helper->fieldId();
$show->field('title', '分类名称');
$show->field('unid', '标识');
$show->field('img', '图标')->image();
$show->field('status', '状态')->using(STATUS::getValueDescription());
$show->field('desc1', '描述');
$show->field('pid', '父级分类')->as(function ($pid) {
if (!$pid) return '顶级';
$parent = ArticleCate::find($pid);
return $parent ? $parent->title : '';
});
$show->field('can_delete', '可删除')->as(function ($value) {
return $value ? '是' : '否';
});
$helper->fieldCreatedAt();
$helper->fieldUpdatedAt();
});
}
/**
* 表单
*
* @return Form
*/
protected function form()
{
return Form::make(new ArticleCate(), function (Form $form) {
$helper = new FormHelper($form, $this);
$form->display('id', 'ID');
$form->text('title', '分类名称')->required()->rules('required|max:200');
$form->text('unid', '标识')->required()->rules('required|max:100');
$form->image('img', '图标')
->uniqueName()
->autoUpload();
$helper->selectStatus();
$form->textarea('desc1', '描述')->rows(3)->rules('max:200');
// 父级分类选择，排除自己及其子分类
$form->select('pid', '父级分类')
->options(function () use ($form) {
$categories = ArticleCate::all();
$options = [0 => '顶级'];
// 当前分类ID
$currentId = $form->model()->id;
foreach ($categories as $category) {
// 排除自己及其子分类
if ($currentId && ($category->id == $currentId || $category->pid == $currentId)) {
continue;
}
$options[$category->id] = $category->title;
}
return $options;
})
->default(0);
// 系统分类不可删除
if ($form->isEditing()) {
$form->switch('can_delete', '可删除')
->default(1)
->help('系统分类不可删除');
} else {
$form->hidden('can_delete')->value(1);
}
$form->display('created_at', '创建时间');
$form->display('updated_at', '更新时间');
});
}
}