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<?php |
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/** |
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* Tab List Block |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Render callback for core/tab-list. |
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* |
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* Injects IAPI directives into the saved button HTML. The buttons already |
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* carry color/border/padding styles from save.js; this callback adds |
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* tab-specific attributes (id, aria-controls, context) and interactivity |
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* directives using data from the tabs-list context. |
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* |
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* @since 7.1.0 |
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* |
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* @param array $attributes Block attributes. |
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* @param string $content Block content (rendered buttons from save.js). |
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* @param \WP_Block $block WP_Block instance. |
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* |
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* @return string Updated HTML. |
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*/ |
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function gutenberg_block_core_tab_list_render_callback( array $attributes, string $content, \WP_Block $block ): string { |
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$tabs_list = $block->context['core/tabs-list'] ?? array(); |
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$aria_label = empty( $attributes['ariaLabel'] ) ? __( 'Tabbed content' ) : wp_strip_all_tags( $attributes['ariaLabel'] ); |
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|
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$tag_processor = new WP_HTML_Tag_Processor( $content ); |
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if ( $tag_processor->next_tag( array( 'class_name' => 'wp-block-tab-list' ) ) ) { |
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$tag_processor->set_attribute( 'aria-label', $aria_label ); |
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} |
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|
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if ( empty( $tabs_list ) ) { |
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return $tag_processor->get_updated_html(); |
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} |
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|
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$tab_index = 0; |
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|
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while ( $tag_processor->next_tag( 'button' ) ) { |
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$tab_id = $tabs_list[ $tab_index ] ?? null; |
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|
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if ( null === $tab_id ) { |
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break; |
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} |
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|
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$tag_processor->set_attribute( 'id', 'tab__' . $tab_id ); |
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$tag_processor->set_attribute( 'aria-controls', $tab_id ); |
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$tag_processor->set_attribute( 'data-wp-on--click', 'actions.handleTabClick' ); |
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$tag_processor->set_attribute( 'data-wp-on--keydown', 'actions.handleTabKeyDown' ); |
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$tag_processor->set_attribute( 'data-wp-bind--aria-selected', 'state.isActiveTab' ); |
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$tag_processor->set_attribute( 'data-wp-bind--tabindex', 'state.tabIndexAttribute' ); |
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$tag_processor->set_attribute( |
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'data-wp-context', |
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wp_json_encode( array( 'tabIndex' => $tab_index ) ) |
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); |
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|
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++$tab_index; |
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} |
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|
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return $tag_processor->get_updated_html(); |
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} |
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|
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/** |
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* Registers the `core/tab-list` block on the server. |
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* |
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* @since 7.1.0 |
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*/ |
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function gutenberg_register_block_core_tab_list() { |
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register_block_type_from_metadata( |
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__DIR__ . '/tab-list', |
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array( |
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'render_callback' => 'gutenberg_block_core_tab_list_render_callback', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_tab_list', 20 ); |
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|
