SettingsServiceProvider.php

<?php

namespace OWC\OpenPub\Base\Settings;

use CMB2;
use OWC\OpenPub\Base\Foundation\ServiceProvider;

class SettingsServiceProvider extends ServiceProvider
{
    const PREFIX = '_owc_';

    public function register()
    {
        $this->plugin->loader->addAction('cmb2_render_number', $this, 'registerMissingNumberField', 10, 5);
        $this->plugin->loader->addAction('cmb2_admin_init', $this, 'registerSettingsPages', 10, 0);
    }

    public function registerMissingNumberField($field, $escapedValue, $objectID, $objectType, $fieldTypeObject): void
    {
        echo $fieldTypeObject->input([ 'type' => 'number' ]);
    }

    public function registerSettingsPages(): void
    {
        $settingsPages = apply_filters(
            'owc/openpub-base/before-register-settings-pages',
            $this->plugin->config->get('cmb2_settings_pages')
        );

        if (! is_array($settingsPages)) {
            return;
        }

        foreach ($settingsPages as $page) {
            if (! is_array($page)) {
                continue;
            }

            $this->registerSettingsPage(apply_filters(
                'owc/openpub-base/before-register-settings',
                $page
            ));
        }
    }

    public function registerSettingsPage(array $page): void
    {
        $fields = $page['fields'] ?? [];
        unset($page['fields']); // Fields will be added later on.

        $optionsPage = \new_cmb2_box($page);

        if (empty($fields) || ! is_array($fields)) {
            return;
        }

        $this->registerSettingsPageFields($optionsPage, $fields);
    }

    protected function registerSettingsPageFields(CMB2 $optionsPage, array $fields)
    {
        foreach ($fields as $field) {
            if (! is_array($field)) {
                continue;
            }

            if (isset($field['id'])) {
                $field['id'] = self::PREFIX . $field['id'];
            }

            $optionsPage->add_field($field);
        }
    }
}