new file mode 100644

@@ -0,0 +1,127 @@

+<?php

+

+if(!class_exists('WP_List_Table')) {

+  require_once(ABSPATH . 'wp-admin/includes/class-wp-list-table.php');

+}

+

+class admin_list_table extends WP_List_Table {

+  public function __construct() {

+    parent::__construct(array(

+      'singular' => 'Customer',  //singular name of the listed records

+      'plural'   => 'Customers', //plural name of the listed records

+      'ajax'     => false,       //should this table support ajax?

+      'screen'   => null

+   ));

+  }

+

+  public static function get_customers($per_page = 5, $page_number = 1) {

+    global $wpdb;

+

+    $sql = "SELECT * FROM {$wpdb->prefix}customers";

+

+    if (!empty($_REQUEST['orderby'])) {

+      $sql .= ' ORDER BY ' . esc_sql($_REQUEST['orderby']);

+      $sql .= ! empty($_REQUEST['order']) ? ' ' . esc_sql($_REQUEST['order']) : ' ASC';

+    }

+

+    $sql .= " LIMIT $per_page";

+    $sql .= ' OFFSET ' . ($page_number - 1) * $per_page;

+

+    $result = $wpdb->get_results($sql, 'ARRAY_A');

+

+    return $result;

+  }

+

+  public static function delete_customer($id) {

+    global $wpdb;

+

+    $wpdb->delete(

+      "{$wpdb->prefix}customers",

+      array('ID' => $id),

+      array('%d')

+   );

+  }

+

+  public static function record_count() {

+    global $wpdb;

+

+    $sql = "SELECT COUNT(*) FROM {$wpdb->prefix}customers";

+    return $wpdb->get_var($sql);

+  }

+

+  public function column_default($item, $column_name) {

+    switch ($column_name) {

+    case 'address':

+    case 'city':

+      return $item[$column_name];

+    default:

+      return print_r($item, true); //Show the whole array for troubleshooting purposes

+    }

+  }

+

+  function column_cb($item) {

+    return sprintf(

+      '<input type="checkbox" name="bulk-delete[]" value="%s" />', $item['ID']

+   );

+  }

+

+  function column_name($item) {

+    $delete_nonce = wp_create_nonce('delete_customer');

+

+    $title = '<strong>' . $item['name'] . '</strong>';

+

+    $actions = array(

+      'delete' => sprintf('<a href="?page=%s&action=%s&customer=%s&_wpnonce=%s">Delete</a>',

+      esc_attr($_REQUEST['page']), 'delete', absint($item['ID']), $delete_nonce)

+    );

+

+    return $title . $this->row_actions($actions);

+  }

+

+  function get_columns() {

+    $columns = array(

+      'cb'      => '<input type="checkbox" />',

+      'name'    => 'Name',

+      'address' => 'Address',

+      'city'    => 'City'

+   );

+

+    return $columns;

+  }

+

+  public function get_sortable_columns() {

+    $sortable_columns = array(

+      'name' => array('name', true),

+      'city' => array('city', true)

+   );

+

+    return $sortable_columns;

+  }

+

+  public function get_bulk_actions() {

+    $actions = array('bulk-delete' => 'Delete');

+

+    return $actions;

+  }

+

+  public function prepare_items() {

+    $this->_column_headers = $this->get_column_info();

+

+    /** Process bulk action */

+    $this->process_bulk_action();

+

+    $per_page     = $this->get_items_per_page('customers_per_page', 5);

+    $current_page = $this->get_pagenum();

+    $total_items  = self::record_count();

+

+    $this->set_pagination_args(array(

+      'total_items' => $total_items, //WE have to calculate the total number of items

+      'per_page'    => $per_page //WE have to determine how many items to show on a page

+    ));

+

+    $this->items = self::get_customers($per_page, $current_page);

+  }

+

+  public function process_bulk_action() {

+  }

+}

@@ -7,8 +7,11 @@

  * Author URI:  https://hiseon.me/

  */

+include_once "table.php";

+

 class admin_table_plugin {

   protected static $_instance = null;

+  public $_tablelist;

   public static function instance() {

     if (is_null(self::$_instance)) {

@@ -19,6 +22,7 @@ class admin_table_plugin {

   }

   protected function __construct() {

+    $this->init();

   }

   private function __clone() {}

@@ -40,17 +44,58 @@ class admin_table_plugin {

         name text,

         address text,

         city text

-      ) ;";

-      require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );

-      dbDelta( $sql );

+      );";

+      require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

+      dbDelta($sql);

     }

   }

+

+  public function init() {

+    add_filter('set-screen-option', array($this, 'set_screen'), 10, 3);

+    add_action('admin_menu', array($this, 'admin_menu'));

+  }

+

+  public function set_screen($status, $option, $value) {

+    return $value;

+  }

+

+  public function admin_menu() {

+    $hook = add_menu_page('페이지 상단제목', '버튼이름2', 'manage_options', 'admintable',

+      array($this, 'admin_page'), 'dashicons-admin-post');

+

+    add_action("load-$hook", array($this, 'screen_option'));

+  }

+

+  public function screen_option() {

+    $option = 'per_page';

+    $args   = array(

+      'label'   => 'Customers',

+      'default' => 10,

+      'option'  => 'customers_per_page'

+    );

+

+    add_screen_option($option, $args);

+    $this->_tablelist = new admin_list_table();

+  }

+

+  public function admin_page() {

+    echo '<div class="wrap"><h2>My List Table Test</h2>';

+    echo '<form method="post">';

+

+    $this->_tablelist->prepare_items();

+    $this->_tablelist->display();

+

+    echo '</form>';

+    echo '</div>';

+  }

 }

 function ATP() {

   return admin_table_plugin::instance();

 }

+ATP();

+

 function admin_table_activate() {

   ATP()->install();

 }