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<title>[51200] trunk: Widgets: Add editor styles to the widgets block editor.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/51200">51200</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/51200","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>desrosj</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-06-22 13:32:42 +0000 (Tue, 22 Jun 2021)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Widgets: Add editor styles to the widgets block editor.

This updates the widgets screen to load the editor styles in the same way as the post editor. This combined with the package updates in <a href="https://core.trac.wordpress.org/changeset/51198">[51198]</a> and <a href="https://core.trac.wordpress.org/changeset/51199">[51199]</a> ensures that the blocks added to sidebars more accurately reflect what will be displayed on the front end of the site.

Props isabel_brison, noisysocks, andraganescu, audrasjb, jorbin, caseymilne, desrosj.
Fixes <a href="https://core.trac.wordpress.org/ticket/53344">#53344</a>. See <a href="https://core.trac.wordpress.org/ticket/53388">#53388</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadmineditformblocksphp">trunk/src/wp-admin/edit-form-blocks.php</a></li>
<li><a href="#trunksrcwpadminwidgetsformblocksphp">trunk/src/wp-admin/widgets-form-blocks.php</a></li>
<li><a href="#trunksrcwpincludesblockeditorphp">trunk/src/wp-includes/block-editor.php</a></li>
<li><a href="#trunktestsphpunittestsblocksblockeditorphp">trunk/tests/phpunit/tests/blocks/block-editor.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadmineditformblocksphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/edit-form-blocks.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/edit-form-blocks.php   2021-06-22 09:58:32 UTC (rev 51199)
+++ trunk/src/wp-admin/edit-form-blocks.php     2021-06-22 13:32:42 UTC (rev 51200)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -18,10 +18,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">  * @global WP_Post_Type $post_type_object
</span><span class="cx" style="display: block; padding: 0 10px">  * @global WP_Post      $post             Global post object.
</span><span class="cx" style="display: block; padding: 0 10px">  * @global string       $title
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @global array        $editor_styles
</del><span class="cx" style="display: block; padding: 0 10px">  * @global array        $wp_meta_boxes
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-global $post_type, $post_type_object, $post, $title, $editor_styles, $wp_meta_boxes;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+global $post_type, $post_type_object, $post, $title, $wp_meta_boxes;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> $block_editor_context = new WP_Block_Editor_Context( array( 'post' => $post ) );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -128,36 +127,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $available_templates
</span><span class="cx" style="display: block; padding: 0 10px"> ) : $available_templates;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-// Editor Styles.
-$styles = array(
-       array(
-               'css'            => 'body { font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif }',
-               '__unstableType' => 'core',
-       ),
-);
-if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {
-       foreach ( $editor_styles as $style ) {
-               if ( preg_match( '~^(https?:)?//~', $style ) ) {
-                       $response = wp_remote_get( $style );
-                       if ( ! is_wp_error( $response ) ) {
-                               $styles[] = array(
-                                       'css'            => wp_remote_retrieve_body( $response ),
-                                       '__unstableType' => 'theme',
-                               );
-                       }
-               } else {
-                       $file = get_theme_file_path( $style );
-                       if ( is_file( $file ) ) {
-                               $styles[] = array(
-                                       'css'            => file_get_contents( $file ),
-                                       'baseURL'        => get_theme_file_uri( $style ),
-                                       '__unstableType' => 'theme',
-                               );
-                       }
-               }
-       }
-}
-
</del><span class="cx" style="display: block; padding: 0 10px"> // Lock settings.
</span><span class="cx" style="display: block; padding: 0 10px"> $user_id = wp_check_post_lock( $post->ID );
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $user_id ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -212,7 +181,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        'titlePlaceholder'                     => apply_filters( 'enter_title_here', __( 'Add title' ), $post ),
</span><span class="cx" style="display: block; padding: 0 10px">        'bodyPlaceholder'                      => $body_placeholder,
</span><span class="cx" style="display: block; padding: 0 10px">        'autosaveInterval'                     => AUTOSAVE_INTERVAL,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        'styles'                               => $styles,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'styles'                               => get_block_editor_theme_styles(),
</ins><span class="cx" style="display: block; padding: 0 10px">         'richEditingEnabled'                   => user_can_richedit(),
</span><span class="cx" style="display: block; padding: 0 10px">        'postLock'                             => $lock_details,
</span><span class="cx" style="display: block; padding: 0 10px">        'postLockUtils'                        => array(
</span></span></pre></div>
<a id="trunksrcwpadminwidgetsformblocksphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/widgets-form-blocks.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/widgets-form-blocks.php        2021-06-22 09:58:32 UTC (rev 51199)
+++ trunk/src/wp-admin/widgets-form-blocks.php  2021-06-22 13:32:42 UTC (rev 51200)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -25,7 +25,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> block_editor_rest_api_preload( $preload_paths, $block_editor_context );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> $editor_settings = get_block_editor_settings(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        get_legacy_widget_block_editor_settings(),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ array_merge( get_legacy_widget_block_editor_settings(), array( 'styles' => get_block_editor_theme_styles() ) ),
</ins><span class="cx" style="display: block; padding: 0 10px">         $block_editor_context
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="trunksrcwpincludesblockeditorphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/block-editor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/block-editor.php    2021-06-22 09:58:32 UTC (rev 51199)
+++ trunk/src/wp-includes/block-editor.php      2021-06-22 13:32:42 UTC (rev 51200)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -464,3 +464,48 @@
</span><span class="cx" style="display: block; padding: 0 10px">                'after'
</span><span class="cx" style="display: block; padding: 0 10px">        );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/**
+ * Creates an array of theme styles to load into the block editor.
+ *
+ * @since 5.8.0
+ *
+ * @global array $editor_styles
+ *
+ * @return array An array of theme styles for the block editor. Includes default font family
+ *               style and theme stylesheets.
+ */
+function get_block_editor_theme_styles() {
+       global $editor_styles;
+
+       $styles = array(
+               array(
+                       'css'            => 'body { font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif }',
+                       '__unstableType' => 'core',
+               ),
+       );
+       if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {
+               foreach ( $editor_styles as $style ) {
+                       if ( preg_match( '~^(https?:)?//~', $style ) ) {
+                               $response = wp_remote_get( $style );
+                               if ( ! is_wp_error( $response ) ) {
+                                       $styles[] = array(
+                                               'css'            => wp_remote_retrieve_body( $response ),
+                                               '__unstableType' => 'theme',
+                                       );
+                               }
+                       } else {
+                               $file = get_theme_file_path( $style );
+                               if ( is_file( $file ) ) {
+                                       $styles[] = array(
+                                               'css'            => file_get_contents( $file ),
+                                               'baseURL'        => get_theme_file_uri( $style ),
+                                               '__unstableType' => 'theme',
+                                       );
+                               }
+                       }
+               }
+       }
+
+       return $styles;
+}
</ins></span></pre></div>
<a id="trunktestsphpunittestsblocksblockeditorphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/blocks/block-editor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/block-editor.php 2021-06-22 09:58:32 UTC (rev 51199)
+++ trunk/tests/phpunit/tests/blocks/block-editor.php   2021-06-22 13:32:42 UTC (rev 51200)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -429,4 +429,19 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertContains( '"\/wp\/v2\/blocks"', $after );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertContains( '"\/wp\/v2\/types"', $after );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * @ticket 53344
+        */
+       function test_get_block_editor_theme_styles() {
+               $theme_styles = get_block_editor_theme_styles();
+               $this->assertCount( 1, $theme_styles );
+               $this->assertSameSets(
+                       array(
+                               'css'            => 'body { font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif }',
+                               '__unstableType' => 'core',
+                       ),
+                       $theme_styles[0]
+               );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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