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<?php
/**
 * FooGallery_AdminBar Class
 * allows for really easy gallery editing from the front-end (when logged in)
 * Date: 30/08/2015
 */

if ( !class_exists( 'FooGallery_AdminBar' ) ) {

    class FooGallery_AdminBar {

        function __construct() {
            // adds the edit galleries menu to the admin bar
            add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 101 ); // 101 determines the position
        }

        public function admin_bar_menu($wp_admin_bar) {
            global $wp_the_query;

            if ( !is_admin() ) {
                $current_object = $wp_the_query->get_queried_object();

                if ( empty( $current_object ) )
                    return;

                if ( ! empty( $current_object->post_type )
                     && current_user_can( 'edit_post', $current_object->ID ) ) {

                    $gallery_posts = foogallery_get_galleries_attached_to_post( $current_object->ID );

                    if ( !empty( $gallery_posts ) ) {
                        $wp_admin_bar->add_menu(array(
                            'id'     => 'foogallery',
                            'title'  => __( 'Edit Galleries', 'foogallery' )
                        ));

                        foreach ( $gallery_posts as $gallery ) {
                            $wp_admin_bar->add_menu( array(
                                'parent' => 'foogallery',
                                'id'     => $gallery->ID,
                                'title'  => esc_html( $gallery->post_title ),
                                'href'   => get_edit_post_link( $gallery->ID ),
                            ) );
                        }
                    }
                }
            }
        }
    }
}