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<?php

namespace Nextend\SmartSlider3\Platform\WordPress\Widget;

use Nextend\SmartSlider3\Settings;

class WidgetHelper {

public function __construct() {

add_action('widgets_init', array(
            $this,
            'widgets_init'
        ), 11);

/**
         * As fallback for the Classic Widgets
         */
        if ($this->isOldEditor()) {
            add_action('widgets_admin_page', array(
                $this,
                'widgets_admin_page'
            ));
        }
    }

public function widgets_init() {

/**
         * Fix for Siteorigin and other plugins. They stored the class name...
         */
        class_alias(WidgetSmartSlider3::class, 'N2SS3Widget');

register_widget('N2SS3Widget');

$widgetAreas = intval(Settings::get('wordpress-widget-areas', 1));
        if ($widgetAreas > 0) {
            for ($i = 1; $i <= $widgetAreas; $i++) {
                $description = (!$this->isOldEditor()) ? 'Display this widget area in your theme: <strong>&lt;?php  dynamic_sidebar( \'smartslider_area_' . $i . '\' );  ?&gt; </strong>' : '';
                register_sidebar(array(
                    'name'          => 'Custom Widget Area - #' . $i,
                    'description'   => $description,
                    'id'            => 'smartslider_area_' . $i,
                    'before_widget' => '',
                    'after_widget'  => '',
                    'before_title'  => '<div style="display:none;">',
                    'after_title'   => '</div>',
                ));
            }
        }
    }

public function widgets_admin_page() {
        add_action('dynamic_sidebar_before', array(
            $this,
            'dynamic_sidebar_before'
        ));
    }

public function dynamic_sidebar_before($index) {
        if (substr($index, 0, strlen('smartslider_area_')) === 'smartslider_area_') {
            echo '<div class="description">Display this widget area in your theme with: <pre style="white-space: pre-wrap;overflow:hidden;">&lt;?php dynamic_sidebar(\'' . esc_html($index) . '\'); ?&gt;</pre></div>';
        }

}

private function isOldEditor() {
        $blockEditor = function_exists('wp_use_widgets_block_editor');

return !$blockEditor || ($blockEditor && !wp_use_widgets_block_editor());
    }
}