Changeset 9503

Timestamp:

02/13/2020 11:40:22 PM (7 years ago)

Author:

coffee2code

Message:

Developer theme: Allow preview link for explanations to preview the explanation being edited within the context of its associated function/hook/method/class.

Props valentinbora.
Fixes #5018.

Location:

sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/inc

Files:

• explanations.php (modified) (3 diffs)
• template-tags.php (modified) (1 diff)

sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/inc/explanations.php

@@ -60 +60 @@
                 // Output checkmark in explanations column if post has an explanation.
                 add_action( 'manage_posts_custom_column', array( $this, 'handle_column_data'  ), 10, 2 );
+
+                add_filter( 'preview_post_link',       array ( $this, 'preview_post_link'     ), 10, 2 );
 
                 // Permissions.
@@ -93 +95 @@
                         ),
                         'public'            => false,
+                        'publicly_queryable'=> true,
                         'hierarchical'      => false,
                         'show_ui'           => true,
@@ -116 +119 @@
                         remove_post_type_support( $type, 'editor' );
                 }
+        }
+
+        /**
+         * Override preview post links for explanations to preview the explanation
+         * within the context of its associated function/hook/method/class.
+         *
+         * The associated post's preview link is amended with query parameters used
+         * by `get_explanation_content()` to use the explanation being previewed
+         * instead of the published explanation currently associated with the post.
+         *
+         * @access public
+         * @see 'preview_post_link' filter
+         *
+         * @param string  $preview_link URL used for the post preview.
+         * @param WP_Post $post         Post object.
+         * @return string
+         **/
+        public function preview_post_link( $preview_link, $post ) {
+                if ( $this->exp_post_type !== $post->post_type ) {
+                        return $preview_link;
+                }
+
+                if ( false !== strpos( $preview_link, 'preview_nonce=' ) ) {
+                        $url = parse_url( $preview_link );
+                        $url_query = array();
+                        parse_str ( $url['query'], $url_query );
+
+                        $preview_link = get_preview_post_link(
+                                $post->post_parent,
+                                array(
+                                        'wporg_explanations_preview_id'    => $url_query['preview_id'],
+                                        'wporg_explanations_preview_nonce' => $url_query['preview_nonce'],
+                                )
+                        );
+                }
+
+                return $preview_link;
         }
 

sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-developer/inc/template-tags.php

@@ -1682 +1682 @@
 
                 // Get explanation's raw post content.
-                $content = get_explanation_field( 'post_content', $_post );
+                $content = '';
+                if (
+                        ! empty( $_GET['wporg_explanations_preview_nonce'] )
+                &&
+                        false !== wp_verify_nonce( $_GET['wporg_explanations_preview_nonce'], 'post_preview_' . $post->ID )
+                ) {
+                        $preview = wp_get_post_autosave( $post->ID );
+
+                        if ( is_object( $preview ) ) {
+                                $post = $preview;
+                                $content = get_post_field( 'post_content', $preview, 'display' );
+                        }
+                } else {
+                        $content = get_explanation_field( 'post_content', $_post );
+                }
 
                 // Pass the content through expected content filters.