mtb_dcatadmin_plus/app/Distributor/Controllers/SiteMenuController.php

<?php

namespace App\Distributor\Controllers;


use App\Distributor\Actions\MenuShow;
use App\Distributor\Repositories\DistProduct;
use App\Distributor\Repositories\DistProductCategory;
use App\Distributor\Repositories\SiteMenu;
use App\Distributor\Repositories\SitePages;
use App\Distributor\Repositories\SitePagesTag;
use App\Libraries\CommonHelper;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Layout\Content;
use Dcat\Admin\Admin;
use Dcat\Admin\Tree;
use Dcat\Admin\Layout\Row;
use Dcat\Admin\Widgets\Box;
use function Symfony\Component\String\u;
use Dcat\Admin\Layout\Column;

class SiteMenuController extends AdminDistController
{

    /**
     * page index
     */
    public function index(Content $content)
    {
        $location = isset($_GET['location']) ? intval($_GET['location']) : 0;
        $header = admin_trans( 'admin.top_menu');
        if ($location == 1) {
            $header = admin_trans( 'admin.footer_menu');
        }
        return $content
            ->header($header)
            ->description('')
            ->body($this->tree($location));
    }



    private function tree($location)
    {
        $thisObject = $this;
        return function (Row $row) use ($location, $thisObject) {
            $tree = new Tree(new SiteMenu);
            //两层
            $tree->maxDepth(2);
            //标题显示
            $tree->branch(function ($branch) {
                $arr[] = $branch['title'];
                if ($branch['uri']) {
                    $arr[] = $branch['uri'];
                }
                return implode(' - ', $arr);
            });
            //是否显示操作
            $tree->actions(function (Tree\Actions $actions) {
                $actions->prepend(new MenuShow());
            });
            //按钮
            $tree->disableEditButton();
            $tree->disableCreateButton();
            $tree->showQuickCreateButton();
            $tree->showQuickEditButton();
            $row->column(6, $tree);
            //增加JS，使新增与编辑带location
            $paramsUrl = 'location='.$location;
            CommonHelper::replaceAddEditerUrl('.tree-quick-create', '.tree-quick-edit', $paramsUrl);
            //主页权限
            $tree->query(function ($model) use ($location) {
                return $model->where('dist_id', getDistributorId())->where('menu_location', $location);
            });
        };
    }



    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $location = isset($_GET['location']) ? intval($_GET['location']) : 0;
        $thisObject = $this;
        return Form::make(new SiteMenu(), function (Form $form) use ($thisObject,$location) {
            $menuConfig = $form->model()->menu_config;
            //父ID
            $form->select('parent_id', admin_trans_label('parent_id'))
                ->options(SiteMenu::selectOptions(function ($query) use ($location) {
                    $query =  $query->where('menu_location',$location)->where('dist_id', getDistributorId())->orderBy('order', 'asc');
                    return $query;
                }))->required();
            //标题
            $form->text('title')->required();
            //类型
            $form->select('menu_type')->options(config('dictionary.menu_type'))->required()
                ->when(1, function (Form $form) use ($menuConfig,$thisObject) {
                    //选择产品
                    $form->select('collections_type')->options(config('dictionary.collections_type'))
                        ->value($thisObject->getArrayValue('collections_type',$menuConfig))
                        ->when(0, function (Form $form) use ($menuConfig,$thisObject) {
                            $form->select('product_category')->options(DistProductCategory::selectOptions())->value($thisObject->getArrayValue('product_category',$menuConfig));
                        })->when(1, function (Form $form) use ($menuConfig,$thisObject) {
                            $form->select('pages_tag')->options('api/tag')->value($thisObject->getArrayValue('posts_tag',$menuConfig));
                        });
                })
                ->when(2, function (Form $form) use ($menuConfig,$thisObject) {
                    //选择产品
                    $form->select('product',admin_trans_label('select_product'))->options('api/products')
                        ->value($thisObject->getArrayValue('product',$menuConfig))
                        ->help('The latest 30 products are displayed by default, and you can also use the search function to find all products.');
                })
                ->when(3, function (Form $form) use ($menuConfig,$thisObject) {
                    //选择页面
                    $form->select('posts',admin_trans_label('select_pages'))->options('api/pages')
                        ->value($thisObject->getArrayValue('posts',$menuConfig))
                        ->help('The latest 30 published posts are displayed by default, and you can also use the search function to find all posts.');
                })
                ->when(4, function (Form $form) use ($menuConfig,$thisObject) {
                    //url
                    $form->url('url')->value($thisObject->getArrayValue('url',$menuConfig));
                });
            //显示
            $form->switch('show')->default(1);
            //隐藏字段
            $form->textarea('menu_config')->hideInDialog();
            $form->hidden('menu_location')->value($location);
            $form->hidden('uri');
            $form->hidden('dist_id'); // 隐藏dist_id字段,用于保存
            //以下字段不保存
            $form->ignore(['collections_type','product_category','pages_tag','product','posts','url']);
            //保存事件
            $form->submitted(function (Form $form) use ($thisObject) {
                $result = $thisObject->convertMenuConfig($form);
                $form->uri = $result['uri'];
                $form->menu_config = $result['menuConfig'];
            });
            //保存前，强制写死dist_id
            $form->saving(function (Form $form) {
                $form->dist_id =getDistributorId();
            });
        });
    }

    protected function convertMenuConfig(Form $form) {
        $uri = "";
        $menuConfig = [
            'collections_type' => $form->input('collections_type'),
            'product_category' => $form->input('product_category'),
            'posts_tag' => $form->input('posts_tag'),
            'product' => $form->input('product'),
            'posts' => $form->input('posts'),
            'url' => $form->input('url'),
        ];
        $menuType = $form->input('menu_type');
        switch ($menuType) {
            case 0: //选择产品
                $uri ="/";
                break;
            case 1: //集合
                if ($form->input('collections_type') == 0) {
                    //产品分类
                    $row = DistProductCategory::getOneById($form->input('product_category'));
                    $uri = $row ? "/product-category/".$row->slug : "/";
                } else {
                    //文章标签
                    $row = SitePagesTag::getOneById($form->input('posts_tag'));
                    $uri = $row ? "/collections/".$row->slug : "/";
                }
                break;
            case 2: //选择产品
                $row = DistProduct::getOneById($form->input('product'));
                $uri = $row ? "/products/".$row->slug : "/";
                break;
            case 3: //选择页面
                $row = SitePages::getOneById($form->input('posts'));
                $uri = $row ? "/pages/".$row->slug : "/";
                break;
            case 4: //url
                $uri = $form->input('url');
                break;
        }
        return ['uri'=>$uri,'menuConfig'=>$menuConfig];
    }
    protected function getArrayValue($key,$arr) {
        if (isset($arr[$key])) {
            return $arr[$key];
        }
        return "";
    }


}