Ticket #1534: 1534.2.diff

inc/explanations.php

@@ -40 +40 @@
                 add_action( 'init',                    array( $this, 'remove_editor_support'  ), 100 );
                 add_action( 'edit_form_after_title',   array( $this, 'post_to_expl_controls'  )      );
                 add_action( 'edit_form_top',           array( $this, 'expl_to_post_controls'  )      );
+                add_action( 'admin_bar_menu',          array( $this, 'toolbar_edit_link'      ), 100 );
 
                 // Script and styles.
                 add_action( 'admin_enqueue_scripts',   array( $this, 'admin_enqueue_scripts'  )      );
@@ -170 +171 @@
         }
 
         /**
+         * Adds an 'Edit Explanation' link to the Toolbar on parsed post type single pages.
+         *
+         * @access public
+         *
+         * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
+         */
+        public function toolbar_edit_link( $wp_admin_bar ) {
+                global $wp_the_query;
+
+                $screen = $wp_the_query->get_queried_object();
+
+                if ( is_admin() || empty( $screen ) || ! is_singular( $this->post_types ) ) {
+                        return;
+                }
+
+                if ( ! empty( $screen->post_type ) ) {
+                        // Proceed only if there's an explanation for the current reference post type.
+                        if ( $explanation = \DevHub\get_explanation( $screen ) ) {
+                                $post_type = get_post_type_object( $this->exp_post_type );
+
+                                $wp_admin_bar->add_menu( array(
+                                        'id'    => 'edit-explanation',
+                                        'title' => $post_type->labels->edit_item,
+                                        'href'  => get_edit_post_link( $explanation )
+                                ) );
+                        }
+                }
+        }
+
+        /**
          * Output the Explanation status controls.
          *
          * @access public