// class instance

static $instance;

// customer WP_List_Table object

protected $pictureListTable;

// class constructor

public function __construct() {

add_action( 'admin_menu', [ $this, 'plugin_menu' ] );

$this->pictureListTable = new PictureListTable();

}

public function plugin_menu() {

$hook = add_menu_page(

_x('Magic SEO Image nextgen','page title',TXD),

_x('Magic SEO Image nextgen','menu title',TXD),

'manage_options',

'magic-seo-image-nextgen',

[ $this, 'plugin_settings_page' ]

);

}

/**

* Plugin settings page

*/

public function plugin_settings_page() {

?>

<div class="wrap">

<h2><?php _e('SEO nextGallery images',TXD); ?></h2>

<?php $fail_or_success = $this->pictureListTable->prepare_items();?>

<?php $this->pictureListTable->repo->flashMessage(); ?>

<div id="poststuff">

<div id="post-body" class="metabox-holder columns-2">

<div id="post-body-content">

<div class="meta-box-sortables ui-sortable">

<div class="gallery-select-div">

<h3><?php _e('Please select a gallery',TXD); ?></h3>

<?php $this->pictureListTable->repo->showGalleries(); ?>

</div>

<form method="post">

<a id="show-tags"><?php _e('show posts tags',TXD); ?></a>

<?php $this->pictureListTable->repo->showTags('checkbox_alt',$fail_or_success); ?>

<div id="js-div-tag-container"><h3><?php _e('your custom tags :',TXD); ?></h3></div>

<div class="custom-alt-input">

<h3><?php _e('add your custom alt:',TXD); ?> </h3>

<span><?php _e('Separate each alt with comma',TXD); ?></span>

<?php $this->pictureListTable->repo->inputHtml('custom-alt',$fail_or_success); ?>

<?php $this->pictureListTable->repo->buttonHtml(__('add to tags',TXD),'tag-button',true); ?>

</div>

<?php $this->pictureListTable->display(); ?>

</form>

</div>

</div>

</div>

<br class="clear">

</div>

</div>

<?php

}

/** Singleton instance */

public static function get_instance() {

if ( ! isset( self::$instance ) ) {

self::$instance = new self();

}

return self::$instance;

}