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Overriding default gallery in Gutenberg

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jason

06 Feb, 2019 08:46 PM

I've updated the software to the latest version, but our Royal Slider doesn't appear to override the block gallery function any longer. I now see the RoyalSlider block in the editor, but there are no options on the right side and it just says no sliders available.

We have been using NRS for years to override the default WP gallery with a carousel slider. Any suggestions for a workaround or a step we are missing in the process?

1. Support Staff 1 Posted by Dmitry Semenov on 06 Feb, 2019 10:17 PM

   

   Hello,

   Default Gutenberg gallery block does not support overriding, https://github.com/danielbachhuber/gutenberg-migration-guide/blob/m... They promise to add post_gallery filter support in the future, but for now there is no such option and there is no ETA when it'll be added.

   But [gallery] shortcode can still be overridden, as it's unchanged. To add it to Gutenberg you may use either "shortcode block" or "classic editor" block.

   Or you may keep using old WordPress post editor by installing Classic Editor plugin https://wordpress.org/plugins/classic-editor/

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2. 2 Posted by josh on 03 Apr, 2019 08:22 PM

   

   How do I use a shortcode with an existing gallery created in Gutenberg?
   When I click on the block HTML, I do not see a gallery ID.

   • File_“File_“Add_New_Post_‹_Bnai_Brith_Housing_—_WordPr...”_2019-04-03_16-19-45.png 42.4 KB
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3. Support Staff 3 Posted by Dmitry Semenov on 03 Apr, 2019 08:26 PM

   

   Gutenberg does not allow to convert gallery Block to gallery Shortcode, as far as I know. So if you need specifically [gallery] shortcode - you'll need to use "shortcode" block and add gallery manually inside it.

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4. 4 Posted by theMikeD on 20 Aug, 2019 10:07 PM

   

   https://github.com/WordPress/gutenberg/pull/11540

   Would this do the trick? I rely upon over-riding default galleries with RS, so this one issue will force me to hold back switching to gutenberg.

   Happy to help do the coding if you point me in the right direction.

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5. Support Staff 5 Posted by Dmitry Semenov on 21 Aug, 2019 03:19 AM

   

   @theMikeD,

   if you'll be able to retrieve attachment ids and replace HTML output of the default block, you may use this technique to generate RoyalSlider - http://help.dimsemenov.com/kb/wordpress-royalslider-tutorials/wp-cr...

   And thanks for the link, I'll investigate.

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6. 6 Posted by Sas on 02 Oct, 2019 03:30 PM

   

   Heya,

   We also had some luck with this: https://antistatique.net/en/we/blog/2019/01/29/gutenberg-override-core-blocks-rendering

   Cheers,

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7. 7 Posted by theMikeD on 10 Sep, 2020 07:34 PM

   

   Is there a solution to this yet?My hack is the following:

   <?php
   
   namespace CNMD\RoyalSlider;
   
   class Blocks {
   
       /**
        * Blocks constructor.
        */
       public function __construct() {
           add_filter( 'render_block', array( $this, 'gallery_block_override' ), 11, 2);
       }
   
   
       /**
        * Over-ride the render for specific blocks as required.
        *
        * @param string $block_content The block content about to be appended.
        * @param array  $block         The full block, including name and attributes.
        *
        * @return string
        */
       public function gallery_block_override( string $block_content, array $block ): ?string {
           if ( "core/gallery" !== $block['blockName'] ) {
               return $block_content;
           }
           if ( ! array_key_exists( 'attrs', $block ) || ! is_array( $block['attrs'] ) || ! array_key_exists( 'ids', $block['attrs'] ) || ! is_array( $block['attrs']['ids'] ) ) {
               return $block_content;
           }
           return do_shortcode('[gallery royalslider="1" ids="' . implode(',', $block['attrs']['ids']) . '"]');
       }
   
   }
   

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