晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /home/rainic/www/wp-contentTZh/plugins/elementor/core/admin/menu/

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Current File : /home/rainic/www/wp-contentTZh/plugins/elementor/core/admin/menu/admin-menu-manager.php
<?php

namespace Elementor\Core\Admin\Menu;

use Elementor\Core\Admin\Menu\Interfaces\Admin_Menu_Item;
use Elementor\Core\Admin\Menu\Interfaces\Admin_Menu_Item_Has_Position;
use Elementor\Core\Admin\Menu\Interfaces\Admin_Menu_Item_With_Page;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

class Admin_Menu_Manager {

	/**
	 * @var Admin_Menu_Item[]
	 */
	private $items = [];

	public function register( $item_slug, Admin_Menu_Item $item ) {
		$this->items[ $item_slug ] = $item;
	}

	public function unregister( $item_slug ) {
		unset( $this->items[ $item_slug ] );
	}

	public function get( $item_slug ) {
		if ( empty( $this->items[ $item_slug ] ) ) {
			return null;
		}

		return $this->items[ $item_slug ];
	}

	public function get_all() {
		return $this->items;
	}

	public function register_actions() {
		add_action( 'admin_menu', function () {
			$this->register_wp_menus();
		}, 20 );

		add_action( 'admin_head', function () {
			$this->hide_invisible_menus();
		} );
	}

	private function register_wp_menus() {
		do_action( 'elementor/admin/menu/register', $this );

		$hooks = [];

		foreach ( $this->get_all() as $item_slug => $item ) {
			$is_top_level = empty( $item->get_parent_slug() );

			if ( $is_top_level ) {
				$hooks[ $item_slug ] = $this->register_top_level_menu( $item_slug, $item );
			} else {
				$hooks[ $item_slug ] = $this->register_sub_menu( $item_slug, $item );
			}
		}

		do_action( 'elementor/admin/menu/after_register', $this, $hooks );
	}

	private function register_top_level_menu( $item_slug, Admin_Menu_Item $item ) {
		$has_page = ( $item instanceof Admin_Menu_Item_With_Page );
		$has_position = ( $item instanceof Admin_Menu_Item_Has_Position );

		$page_title = $has_page ? $item->get_page_title() : '';
		$callback = $has_page ? [ $item, 'render' ] : '';
		$position = $has_position ? $item->get_position() : null;

		return add_menu_page(
			$page_title,
			$item->get_label(),
			$item->get_capability(),
			$item_slug,
			$callback,
			'',
			$position
		);
	}

	private function register_sub_menu( $item_slug, Admin_Menu_Item $item ) {
		$has_page = ( $item instanceof Admin_Menu_Item_With_Page );

		$page_title = $has_page ? $item->get_page_title() : '';
		$callback = $has_page ? [ $item, 'render' ] : '';

		return add_submenu_page(
			$item->get_parent_slug(),
			$page_title,
			$item->get_label(),
			$item->get_capability(),
			$item_slug,
			$callback
		);
	}

	private function hide_invisible_menus() {
		foreach ( $this->get_all() as $item_slug => $item ) {
			if ( $item->is_visible() ) {
				continue;
			}

			$is_top_level = empty( $item->get_parent_slug() );

			if ( $is_top_level ) {
				remove_menu_page( $item_slug );
			} else {
				remove_submenu_page( $item->get_parent_slug(), $item_slug );
			}
		}
	}
}

haha - 2025