^^&&^^

Edit File: class-admin.php

<?php
/**
 * Admin functionality.
 *
 * @package documentor
 */

/**
 * Admin Class
 */
class Documentor_Admin {
	/**
	 * Construct
	 */
	public function __construct() {
		$this->include_dependencies();
		$this->init_actions();
		$this->init_classes();
	}

/**
	 * Include dependencies.
	 */
	public function include_dependencies() {
		require_once documentor()->plugin_path . 'includes/class-settings-api.php';
		require_once documentor()->plugin_path . 'includes/admin/class-settings.php';
		require_once documentor()->plugin_path . 'includes/admin/class-docs-list-table.php';
	}

/**
	 * Initialize action hooks
	 *
	 * @return void
	 */
	public function init_actions() {
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );

add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_filter( 'parent_file', array( $this, 'menu_highlight' ) );

add_filter( 'display_post_states', array( $this, 'display_post_states' ), 10, 2 );

add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ), 1 );
	}

/**
	 * Initialize classes.
	 */
	public function init_classes() {
		new Documentor_Settings();
		new Documentor_Docs_List_Table();
	}

/**
	 * Load admin scripts and styles
	 *
	 * @param string $hook - hook name.
	 */
	public function admin_scripts( $hook ) {
		if ( 'toplevel_page_documentor' !== $hook ) {
			wp_enqueue_style( 'documentor-admin-setting', documentor()->plugin_url . 'assets/admin/css/settings_style.css', array(), '1.0.0' );
			return;
		}

wp_enqueue_script( 'vuejs', documentor()->plugin_url . 'assets/vendor/vue/vue.min.js', array(), '2.5.13', true );
		wp_enqueue_script( 'sweetalert', documentor()->plugin_url . 'assets/vendor/sweetalert/js/sweetalert.min.js', array( 'jquery' ), '1.1.3', true );
		wp_enqueue_script( 'documentor-admin', documentor()->plugin_url . 'assets/admin/js/script.min.js', array( 'jquery', 'jquery-ui-sortable', 'wp-util' ), '1.0.0', true );
		wp_localize_script(
			'documentor-admin',
			'documentor_admin_vars',
			array(
				'nonce'	=> wp_create_nonce( 'documentor-admin-nonce' ),
				'editurl'  => home_url( '/?pagelayer-live=1&p=' ),
				'viewurl'  => home_url( '/?p=' ),
				'__'	   => array(
					'enter_doc_title'		   => __( 'Enter doc title', 'documentor' ),
					'enter_section_title'	   => __( 'Enter section title', 'documentor' ),
					// translators: %s - copy.
					'clone_default_title'	   => __( '%s Copy', 'documentor' ),
					'remove_doc_title'		  => __( 'Are you sure?', 'documentor' ),
					'remove_doc_text'		   => __( 'Are you sure to delete the entire documentation? Sections and articles inside this doc will be deleted too!', 'documentor' ),
					'remove_doc_button_yes'	 => __( 'Yes, delete it!', 'documentor' ),
					'remove_section_title'	  => __( 'Are you sure?', 'documentor' ),
					'remove_section_text'	   => __( 'Are you sure to delete the entire section? Articles inside this section will be deleted too!', 'documentor' ),
					'remove_section_button_yes' => __( 'Yes, delete it!', 'documentor' ),
					'remove_article_title'	  => __( 'Are you sure?', 'documentor' ),
					'remove_article_text'	   => __( 'Are you sure to delete the article?', 'documentor' ),
					'remove_article_button_yes' => __( 'Yes, delete it!', 'documentor' ),
					'post_deleted_text'		 => __( 'This post has been deleted', 'documentor' ),
					'export_doc_text'		   => __( 'This process may take a while depending on your documentation size.', 'documentor' ),
					// translators: %s - export.
					'export_doc_title'		  => __( 'Export %s?', 'documentor' ),
					'export_doc_button_yes'	 => __( 'Export!', 'documentor' ),
					'exporting_doc_title'	   => __( 'Exporting...', 'documentor' ),
					'exporting_doc_text'		=> __( 'Starting', 'documentor' ),
					'exported_doc_title'		=> __( 'Successfully Exported', 'documentor' ),
					'exported_doc_download'	 => __( 'Download ZIP', 'documentor' ),
					'exported_doc_cancel'	   => __( 'Close', 'documentor' ),
				),
			)
		);

wp_enqueue_style( 'sweetalert', documentor()->plugin_url . 'assets/vendor/sweetalert/css/sweetalert.css', array(), '1.1.3' );

wp_enqueue_style( 'documentor-admin', documentor()->plugin_url . 'assets/admin/css/style.min.css', array(), '1.0.0' );
		wp_style_add_data( 'documentor-admin', 'rtl', 'replace' );
		wp_style_add_data( 'documentor-admin', 'suffix', '.min' );
	}

/**
	 * Get the admin menu position
	 *
	 * @return int the position of the menu
	 */
	public function get_menu_position() {
		return apply_filters( 'documentor_menu_position', 48 );
	}

/**
	 * Add menu items
	 *
	 * @return void
	 */
	public function admin_menu() {
		add_menu_page(
			__( 'Documentor', 'documentor' ),
			__( 'Documentor', 'documentor' ),
			'publish_posts',
			'documentor',
			array( $this, 'page_index' ),
			'dashicons-media-document',
			$this->get_menu_position()
		);
		add_submenu_page(
			'documentor',
			__( 'Documentations', 'documentor' ),
			__( 'Documentations', 'documentor' ),
			'publish_posts',
			'documentor',
			array( $this, 'page_index' )
		);
		add_submenu_page(
			'documentor',
			__( 'Categories', 'documentor' ),
			__( 'Categories', 'documentor' ),
			'publish_posts',
			'edit-tags.php?taxonomy=docs_category&post_type=docs'
		);
	}

/**
	 * Highlight the proper top level menu
	 *
	 * @link http://wordpress.org/support/topic/moving-taxonomy-ui-to-another-main-menu?replies=5#post-2432769
	 *
	 * @global obj $current_screen
	 * @param string $parent_file - parent file.
	 *
	 * @return string
	 */
	public function menu_highlight( $parent_file ) {
		global $current_screen;

if ( 'docs' === $current_screen->post_type ) {
			$parent_file = 'documentor';
		}

return $parent_file;
	}

/**
	 * Add a post display state for special Documents in the page list table.
	 *
	 * @param array   $post_states An array of post display states.
	 * @param WP_Post $post		The current post object.
	 * @return array $post_states  An array of post display states.
	 */
	public function display_post_states( $post_states, $post ) {
		$documents_page_id = documentor()->get_option( 'docs_page_id', 'documentor_settings' );

if ( 'page' === $post->post_type && $documents_page_id && intval( $documents_page_id ) === $post->ID ) {
			$post_states[] = esc_html__( 'Documentor', 'documentor' );
		}

return $post_states;
	}

/**
	 * UI Page handler
	 *
	 * @return void
	 */
	public function page_index() {
		include dirname( __FILE__ ) . '/template-vue.php';
	}

/**
	 * Change the admin footer text on docs admin pages
	 *
	 * @param string $footer_text - footer text.
	 *
	 * @return string
	 */
	public function admin_footer_text( $footer_text ) {
		$current_screen = get_current_screen();
		$pages		  = array( 'toplevel_page_documentor', 'edit-docs' );

// Check to make sure we're on a docs admin page.
		if ( isset( $current_screen->id ) && apply_filters( 'documentor_display_admin_footer_text', in_array( $current_screen->id, $pages, true ) ) ) {
			$footer_text .= ' ' . __( 'Thank you for using <strong>Documentor</strong>.', 'documentor' );

// translators: %s - docs page url.
			$footer_text .= ' ' . sprintf( __( 'Use the <a href="%s">classic UI</a>.', 'documentor' ), admin_url( 'edit.php?post_type=docs' ) );
		}

return $footer_text;
	}

}

return new Documentor_Admin();