vint3creative/widgetify-divi-layouts

<?php
/**
 * Show a Divi Layout.
 *
 * @link       http://vint3.com
 * @since      1.0.0
 *
 * @package    Divi
 * @subpackage WidgetifyLayouts/lib/Widgets
 */

namespace Vint3\Divi\WidgetifyLayouts\Widgets;

use \Vint3\Divi\WidgetifyLayouts\Plugin;

/**
 * Show a Divi Layout.
 *
 * @since      1.0.0
 * @package    Divi
 * @subpackage WidgetifyLayouts/lib/Widgets
 * @author     Vint3 <hello@vint3.com>
 */
class Layout extends \WP_Widget {

    /**
     * Register the widget.
     *
     * @since 1.0.0
     */
    public function __construct() {
        parent::__construct(
            'widgetify-divi-layouts-layout',
            \__( 'Divi Layouts', 'widgetify-divi-layouts' ),
            array(
                'description' => \__( 'Display a Divi Layout.', 'widgetify-divi-layouts' ),
            )
        );
    }

    /**
     * Front-end display of widget.
     *
     * @see \WP_Widget::widget()
     *
     * @since 1.0.0
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     */
    public function widget( $args, $instance ) {

        $layout_id = $instance['layout_id'];
        if ( empty( $layout_id ) ) {
            return;
        }

        if ( ! is_numeric( $layout_id ) ) {
            return;
        }

        $layout = \get_post( $layout_id );
        if ( empty( $layout ) ) {
            return;
        }

        if ( empty( $layout->post_content ) ) {
            return;
        }

        echo $args['before_widget'];
        echo \do_shortcode( $layout->post_content );
        echo $args['after_widget'];
    }

    /**
     * Back-end widget form.
     *
     * @see \WP_Widget::form()
     *
     * @since 1.0.0
     * @param array $instance Previously saved values from database.
     */
    public function form( $instance ) {

        $selected_layout_id = ! empty( $instance['layout_id'] ) ? \sanitize_key( $instance['layout_id'] ) : '';

        $layouts = \get_posts( array(
            'post_type'      => Plugin::POST_TYPE_LAYOUT,
            'posts_per_page' => '-1',
            'post_status'    => 'publish',
            'meta_query'     => array(
                array(
                    'key'     => '_et_pb_predefined_layout',
                    'compare' => 'NOT EXISTS',
                ),
                array(
                    'key'   => '_et_pb_built_for_post_type',
                    'value' => 'page',
                ),
            ),
        ) );

        $options = '';
        foreach ( $layouts as $layout ) {
            $options .= sprintf(
                '<option value="%s" %s>%s</option>',
                \esc_attr( $layout->ID ),
                \selected( $selected_layout_id, $layout->ID, false ),
                $layout->post_title
            );
        }

        if ( empty( $options ) ) {
            $options = \__( 'No layouts found.', 'widgetify-divi-layouts' );
        }

        echo '<p>';
        printf(
            '<label for="%s">%s:</label>',
            $this->get_field_id( 'layout' ),
            \__( 'Layout', 'widgetify-divi-layouts' )
        );

        printf(
            '<select id="%s" name="%s" class="widefat">%s</select>',
            $this->get_field_id( 'layout_id' ),
            $this->get_field_name( 'layout_id' ),
            $options
        );
        echo '</p>';
    }

    /**
     * Sanitize widget form values as they are saved.
     *
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     *
     * @see \WP_Widget::update()
     *
     * @since  1.0.0
     * @param  array $new_instance Values just sent to be saved.
     * @param  array $old_instance Previously saved values from database.
     * @return array               Updated safe values to be saved.
     */
    public function update( $new_instance, $old_instance ) {
        $instance = array();
        $instance['layout_id'] = ! empty( $new_instance['layout_id'] ) ? \sanitize_key( $new_instance['layout_id'] ) : '';
        return $instance;
    }
}