Changeset 9503

Timestamp:

02/13/2020 11:40:22 PM (5 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.