WordPress/wp-includes/blocks/navigation-link.php

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<?php
/**
* Server-side rendering of the `core/navigation-link` block.
*
Update @wordpress packages Update packages to include these bug fixes from Gutenberg: - FSE: Add welcome guide - Update theme styles for the code block - Add feature flag to toggle the new site editor sidebar - Add templates list page for site editor - Cover Block: Fix default background dim - E2E: Add more Cover block tests - Cover Block: Fix regressions - Post Comments Form: ensure typography styles are applied to child elements - Navigation: Fix space-between - Fix background colours in nested submenus. - Fix duplicate custom classnames in navigation submenu block - Fix colour rendering in Navigation overlay - Fix: Add ability to opt out of Core color palette V2 - Change @package to WordPress in block-library - Make the core color palette opt-in for themes with not theme.json - Remove textdomain from calendar block - Page List block: fix space before href attribute - Try: Let Featured Image block inherit dimensions, look like a placeholder - [Global Styles]: Add block icon next to blocks list - Page List: Use core entities instead of direct apiFetch - Site Editor: Stabilize export endpoint - Fix mobile horizontal scrollbar. - Multi-entity save: Only set site entity to pending if really saving - Add page list to navigation direct insert conditions - Implement "Add New" for templates list in Site Editor - Post Featured Image: Remove withNotices HOC - Fix page list missing button styles when set to open on click. - Make appender fixed position to avoid jumps in the UI - Color UI component: reorder palettes and update names (core by defaults, user by custom) - Remove the Styles link in Site Editor - GlobalStyles sidebar: do not show default palette if theme opts-out - Only render the site editor canvas when the global styles are ready. - Global Styles: rename core origin key to default for presets - Clarify i18n context for PostTemplateActions's "New" label - Revert erroneous native editor package version bumps - Try: Hide the columns inserter in pattern previews. - Fix site editor region navigation - Update navigation sidebar responsiveness - Add _wp_array_set and _wp_to_kebab_case to 5.8 compat - Make user able to change all color palette origins - Site Editor: Update hrefs to not specifically refer to themes.php?page=gutenberg-edit-site - Site Editor: Validate the postType query argument - Navigation: Scale submenu icon. - Move the theme editor under tools for FSE themes - Deprecate navigation areas See #54487. Built from https://develop.svn.wordpress.org/trunk@52232 git-svn-id: http://core.svn.wordpress.org/trunk@51824 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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* @package WordPress
*/
/**
* Build an array with CSS classes and inline styles defining the colors
* which will be applied to the navigation markup in the front-end.
*
Editor: Update @wordpress packages for 6.2 Beta 5. Updates the `@wordpress` packages to include the following changes: - Add border radius to off canvas navigation menu items - Remove border from quick inserter child elements - Show variant patterns even if there are no patterns for the Query Loop block - Order initial block items in Navigation with PrivateInserter - Update: Add descriptions to all panels in the Site Editor's dark side - Fix typo in template parts description - Fix: Browse mode descriptions margin - Fix: Show creation popover on empty page links in the navigation sidebar - Make sure the directly inserted block in the Nav block is a Page link - Fix browser history when synchronising state with urls - Navigation Sidebar: Change the logic about which navigation gets selected for the sidebar - Fixes extra UI in navigation block inspector - Renames parent selection boolean param and improves docs - Widget Importer: Fix Widget Group block imports - Don't add Post Content layout styles to title in the post editor - Site editor: Add hover animation to site editor canvas - Prevent the saving button from showing when renaming templates - Navigation Block: Fix big spinner - Navigation: Don't save the level of the link in an attribute - Focus 1st parent block on block remove, if no previous block is available - Navigation: Performance: improve params in `block_core_navigation_get_most_recently_published_navigation()` - Navigation Block inspector: fix link UI popover opening on links that have a url - Fix for `WP_Theme_JSON_Resolver::get_merged_data()` - Site Editor: Add page details when viewing a specific page. - Fix site editor sidebar scrollbars - Fix: Custom link UI does appears outside canvas on the sidebar navigation - Fix: Make navigation page list load its items on navigation sidebar References: * [https://github.com/WordPress/gutenberg/commit/d14fea64bd9ad9d2d86047936974dbed39a5b5b3 Gutenberg's commit for publishing the packages] * [https://github.com/WordPress/gutenberg/commit/dbe47a5e8f829f4a21b9d7d580098ecefb73447a Gutenberg's commit for `blocks/navigation-link.php` and `blocks/navigation-submenu.php`] * [https://github.com/WordPress/gutenberg/commit/ea74a306e5289a90d29c0b3eb1d9b4ef893f7f19 Gutenberg's commit for `blocks/navigation.php`] Follow-up to [55441], [55440]. Props ntsekouras, mamaduka, gziolo, costdev, hellofromTonya. See #57471. Built from https://develop.svn.wordpress.org/trunk@55475 git-svn-id: http://core.svn.wordpress.org/trunk@55008 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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* @param array $context Navigation block context.
* @param array $attributes Block attributes.
* @param bool $is_sub_menu Whether the link is part of a sub-menu.
* @return array Colors CSS classes and inline styles.
*/
Editor: Update @wordpress packages for 6.2 Beta 5. Updates the `@wordpress` packages to include the following changes: - Add border radius to off canvas navigation menu items - Remove border from quick inserter child elements - Show variant patterns even if there are no patterns for the Query Loop block - Order initial block items in Navigation with PrivateInserter - Update: Add descriptions to all panels in the Site Editor's dark side - Fix typo in template parts description - Fix: Browse mode descriptions margin - Fix: Show creation popover on empty page links in the navigation sidebar - Make sure the directly inserted block in the Nav block is a Page link - Fix browser history when synchronising state with urls - Navigation Sidebar: Change the logic about which navigation gets selected for the sidebar - Fixes extra UI in navigation block inspector - Renames parent selection boolean param and improves docs - Widget Importer: Fix Widget Group block imports - Don't add Post Content layout styles to title in the post editor - Site editor: Add hover animation to site editor canvas - Prevent the saving button from showing when renaming templates - Navigation Block: Fix big spinner - Navigation: Don't save the level of the link in an attribute - Focus 1st parent block on block remove, if no previous block is available - Navigation: Performance: improve params in `block_core_navigation_get_most_recently_published_navigation()` - Navigation Block inspector: fix link UI popover opening on links that have a url - Fix for `WP_Theme_JSON_Resolver::get_merged_data()` - Site Editor: Add page details when viewing a specific page. - Fix site editor sidebar scrollbars - Fix: Custom link UI does appears outside canvas on the sidebar navigation - Fix: Make navigation page list load its items on navigation sidebar References: * [https://github.com/WordPress/gutenberg/commit/d14fea64bd9ad9d2d86047936974dbed39a5b5b3 Gutenberg's commit for publishing the packages] * [https://github.com/WordPress/gutenberg/commit/dbe47a5e8f829f4a21b9d7d580098ecefb73447a Gutenberg's commit for `blocks/navigation-link.php` and `blocks/navigation-submenu.php`] * [https://github.com/WordPress/gutenberg/commit/ea74a306e5289a90d29c0b3eb1d9b4ef893f7f19 Gutenberg's commit for `blocks/navigation.php`] Follow-up to [55441], [55440]. Props ntsekouras, mamaduka, gziolo, costdev, hellofromTonya. See #57471. Built from https://develop.svn.wordpress.org/trunk@55475 git-svn-id: http://core.svn.wordpress.org/trunk@55008 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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function block_core_navigation_link_build_css_colors( $context, $attributes, $is_sub_menu = false ) {
$colors = array(
'css_classes' => array(),
'inline_styles' => '',
);
// Text color.
$named_text_color = null;
$custom_text_color = null;
if ( $is_sub_menu && array_key_exists( 'customOverlayTextColor', $context ) ) {
$custom_text_color = $context['customOverlayTextColor'];
} elseif ( $is_sub_menu && array_key_exists( 'overlayTextColor', $context ) ) {
$named_text_color = $context['overlayTextColor'];
} elseif ( array_key_exists( 'customTextColor', $context ) ) {
$custom_text_color = $context['customTextColor'];
} elseif ( array_key_exists( 'textColor', $context ) ) {
$named_text_color = $context['textColor'];
} elseif ( isset( $context['style']['color']['text'] ) ) {
$custom_text_color = $context['style']['color']['text'];
}
// If has text color.
if ( ! is_null( $named_text_color ) ) {
// Add the color class.
array_push( $colors['css_classes'], 'has-text-color', sprintf( 'has-%s-color', $named_text_color ) );
} elseif ( ! is_null( $custom_text_color ) ) {
// Add the custom color inline style.
$colors['css_classes'][] = 'has-text-color';
$colors['inline_styles'] .= sprintf( 'color: %s;', $custom_text_color );
}
// Background color.
$named_background_color = null;
$custom_background_color = null;
if ( $is_sub_menu && array_key_exists( 'customOverlayBackgroundColor', $context ) ) {
$custom_background_color = $context['customOverlayBackgroundColor'];
} elseif ( $is_sub_menu && array_key_exists( 'overlayBackgroundColor', $context ) ) {
$named_background_color = $context['overlayBackgroundColor'];
} elseif ( array_key_exists( 'customBackgroundColor', $context ) ) {
$custom_background_color = $context['customBackgroundColor'];
} elseif ( array_key_exists( 'backgroundColor', $context ) ) {
$named_background_color = $context['backgroundColor'];
} elseif ( isset( $context['style']['color']['background'] ) ) {
$custom_background_color = $context['style']['color']['background'];
}
// If has background color.
if ( ! is_null( $named_background_color ) ) {
// Add the background-color class.
array_push( $colors['css_classes'], 'has-background', sprintf( 'has-%s-background-color', $named_background_color ) );
} elseif ( ! is_null( $custom_background_color ) ) {
// Add the custom background-color inline style.
$colors['css_classes'][] = 'has-background';
$colors['inline_styles'] .= sprintf( 'background-color: %s;', $custom_background_color );
}
return $colors;
}
/**
* Build an array with CSS classes and inline styles defining the font sizes
* which will be applied to the navigation markup in the front-end.
*
* @param array $context Navigation block context.
* @return array Font size CSS classes and inline styles.
*/
function block_core_navigation_link_build_css_font_sizes( $context ) {
// CSS classes.
$font_sizes = array(
'css_classes' => array(),
'inline_styles' => '',
);
$has_named_font_size = array_key_exists( 'fontSize', $context );
$has_custom_font_size = isset( $context['style']['typography']['fontSize'] );
if ( $has_named_font_size ) {
// Add the font size class.
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );
} elseif ( $has_custom_font_size ) {
// Add the custom font size inline style.
Editor: Update packages for 6.1 Release Candidate 1. Package updates for bug and regression fixes: @wordpress/block-directory: 3.15.6 @wordpress/block-editor: 10.0.6 @wordpress/block-library: 7.14.6 @wordpress/components: 21.0.5 @wordpress/customize-widgets: 3.14.6 @wordpress/edit-post: 6.14.6 @wordpress/edit-site: 4.14.8 @wordpress/edit-widgets: 4.14.6 @wordpress/editor: 12.16.6 @wordpress/format-library: 3.15.6 @wordpress/interface: 4.16.5 @wordpress/list-reusable-blocks: 3.15.5 @wordpress/nux: 5.15.5 @wordpress/preferences: 2.9.5 @wordpress/reusable-blocks: 3.15.6 @wordpress/server-side-render: 3.15.5 @wordpress/widgets: 2.15.6 References: * [https://github.com/WordPress/gutenberg/pull/43181 Gutenberg PR 43181] - Merge inner blocks if wrappers are equal * [https://github.com/WordPress/gutenberg/pull/44098 Gutenberg PR 44098] - Fix content blocks with nested blocks always appear as top level * [https://github.com/WordPress/gutenberg/pull/44150 Gutenberg PR 44150] - Refresh selection styles * [https://github.com/WordPress/gutenberg/pull/44415 Gutenberg PR 44415] - Removes `__unstableMaxPages` attribute from Page List and Nav blocks * [https://github.com/WordPress/gutenberg/pull/44463 Gutenberg PR 44463] - Follow discussion settings in the comments block edit * [https://github.com/WordPress/gutenberg/pull/44584 Gutenberg PR 44584] - Avoid querying block templates during installation * [https://github.com/WordPress/gutenberg/pull/44637 Gutenberg PR 44637] - Resizable editor: Fix height setting bug * [https://github.com/WordPress/gutenberg/pull/44640 Gutenberg PR 44640] - Only include theme.css if the theme declares support for wp-block-styles * [https://github.com/WordPress/gutenberg/pull/44650 Gutenberg PR 44650] - Fix empty links being created for the author's name comment * [https://github.com/WordPress/gutenberg/pull/44652 Gutenberg PR 44652] - Block Editor: Fix block search for non-Latin characters * [https://github.com/WordPress/gutenberg/pull/44660 Gutenberg PR 44660] - Legacy Group inner block wrapper should work with constrained layout * [https://github.com/WordPress/gutenberg/pull/44676 Gutenberg PR 44676] - Hide list items from content area of content locked blocks * [https://github.com/WordPress/gutenberg/pull/44718 Gutenberg PR 44718] - Margin visualizer: Apply negative value to margins with `calc()` * [https://github.com/WordPress/gutenberg/pull/44721 Gutenberg PR 44721] - Remove anchor support from the navigation block * [https://github.com/WordPress/gutenberg/pull/44731 Gutenberg PR 44731] - Buttons: Add specificity for the editor Follow-up to [54257], [54335], and [54383]. Props bernhard-reiter, czapla, annezazu, cbravobernal, ndiego, bjorsch, nendeb55. See #56467. Built from https://develop.svn.wordpress.org/trunk@54483 git-svn-id: http://core.svn.wordpress.org/trunk@54042 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$font_sizes['inline_styles'] = sprintf(
'font-size: %s;',
wp_get_typography_font_size_value(
Editor: Update packages for 6.1 Release Candidate 1. Package updates for bug and regression fixes: @wordpress/block-directory: 3.15.6 @wordpress/block-editor: 10.0.6 @wordpress/block-library: 7.14.6 @wordpress/components: 21.0.5 @wordpress/customize-widgets: 3.14.6 @wordpress/edit-post: 6.14.6 @wordpress/edit-site: 4.14.8 @wordpress/edit-widgets: 4.14.6 @wordpress/editor: 12.16.6 @wordpress/format-library: 3.15.6 @wordpress/interface: 4.16.5 @wordpress/list-reusable-blocks: 3.15.5 @wordpress/nux: 5.15.5 @wordpress/preferences: 2.9.5 @wordpress/reusable-blocks: 3.15.6 @wordpress/server-side-render: 3.15.5 @wordpress/widgets: 2.15.6 References: * [https://github.com/WordPress/gutenberg/pull/43181 Gutenberg PR 43181] - Merge inner blocks if wrappers are equal * [https://github.com/WordPress/gutenberg/pull/44098 Gutenberg PR 44098] - Fix content blocks with nested blocks always appear as top level * [https://github.com/WordPress/gutenberg/pull/44150 Gutenberg PR 44150] - Refresh selection styles * [https://github.com/WordPress/gutenberg/pull/44415 Gutenberg PR 44415] - Removes `__unstableMaxPages` attribute from Page List and Nav blocks * [https://github.com/WordPress/gutenberg/pull/44463 Gutenberg PR 44463] - Follow discussion settings in the comments block edit * [https://github.com/WordPress/gutenberg/pull/44584 Gutenberg PR 44584] - Avoid querying block templates during installation * [https://github.com/WordPress/gutenberg/pull/44637 Gutenberg PR 44637] - Resizable editor: Fix height setting bug * [https://github.com/WordPress/gutenberg/pull/44640 Gutenberg PR 44640] - Only include theme.css if the theme declares support for wp-block-styles * [https://github.com/WordPress/gutenberg/pull/44650 Gutenberg PR 44650] - Fix empty links being created for the author's name comment * [https://github.com/WordPress/gutenberg/pull/44652 Gutenberg PR 44652] - Block Editor: Fix block search for non-Latin characters * [https://github.com/WordPress/gutenberg/pull/44660 Gutenberg PR 44660] - Legacy Group inner block wrapper should work with constrained layout * [https://github.com/WordPress/gutenberg/pull/44676 Gutenberg PR 44676] - Hide list items from content area of content locked blocks * [https://github.com/WordPress/gutenberg/pull/44718 Gutenberg PR 44718] - Margin visualizer: Apply negative value to margins with `calc()` * [https://github.com/WordPress/gutenberg/pull/44721 Gutenberg PR 44721] - Remove anchor support from the navigation block * [https://github.com/WordPress/gutenberg/pull/44731 Gutenberg PR 44731] - Buttons: Add specificity for the editor Follow-up to [54257], [54335], and [54383]. Props bernhard-reiter, czapla, annezazu, cbravobernal, ndiego, bjorsch, nendeb55. See #56467. Built from https://develop.svn.wordpress.org/trunk@54483 git-svn-id: http://core.svn.wordpress.org/trunk@54042 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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array(
'size' => $context['style']['typography']['fontSize'],
)
)
);
}
return $font_sizes;
}
/**
* Returns the top-level submenu SVG chevron icon.
*
* @return string
*/
function block_core_navigation_link_render_submenu_icon() {
return '<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg>';
}
/**
* Decodes a url if it's encoded, returning the same url if not.
*
* @param string $url The url to decode.
*
* @return string $url Returns the decoded url.
*/
function block_core_navigation_link_maybe_urldecode( $url ) {
$is_url_encoded = false;
$query = parse_url( $url, PHP_URL_QUERY );
$query_params = wp_parse_args( $query );
foreach ( $query_params as $query_param ) {
if ( rawurldecode( $query_param ) !== $query_param ) {
$is_url_encoded = true;
break;
}
}
if ( $is_url_encoded ) {
return rawurldecode( $url );
}
return $url;
}
/**
* Renders the `core/navigation-link` block.
*
* @param array $attributes The block attributes.
* @param string $content The saved content.
* @param WP_Block $block The parsed block.
*
* @return string Returns the post content with the legacy widget added.
*/
function render_block_core_navigation_link( $attributes, $content, $block ) {
$navigation_link_has_id = isset( $attributes['id'] ) && is_numeric( $attributes['id'] );
$is_post_type = isset( $attributes['kind'] ) && 'post-type' === $attributes['kind'];
$is_post_type = $is_post_type || isset( $attributes['type'] ) && ( 'post' === $attributes['type'] || 'page' === $attributes['type'] );
// Don't render the block's subtree if it is a draft or if the ID does not exist.
if ( $is_post_type && $navigation_link_has_id ) {
$post = get_post( $attributes['id'] );
if ( ! $post || 'publish' !== $post->post_status ) {
return '';
}
}
// Don't render the block's subtree if it has no label.
if ( empty( $attributes['label'] ) ) {
return '';
}
$font_sizes = block_core_navigation_link_build_css_font_sizes( $block->context );
$classes = array_merge(
$font_sizes['css_classes']
);
Editor: Update @wordpress packages for 6.2 RC2. Updates the `@wordpress` packages to include the following changes: - [Regression] Don't offer Classic block as a recovery action when not registered [https://github.com/WordPress/gutenberg/pull/49051 Gutenberg PR 49051] ✅ - [i18n Change] Fix typo in the media-categories component [https://github.com/WordPress/gutenberg/pull/49047 Gutenberg PR 49047] ✅ - Hide navigation screen in site editor [https://github.com/WordPress/gutenberg/pull/49043 Gutenberg PR 49043] ✅ [https://make.wordpress.org/core/2023/03/14/fyi-navigation-section-of-new-site-editor-experienced-removed-for-6-2-rc-2/ Feature is not ready for 6.2] - [i18n Change] Site editor: Fix non-us spelling in sidebar [https://github.com/WordPress/gutenberg/pull/48976 Gutenberg PR 48976] ✅ See Trac #57895. - [Regression] Site Editor: Fix lingering insertion point within template parts [https://github.com/WordPress/gutenberg/pull/48913 Gutenberg PR 48913] ✅ > Regression introduced in 6.2 cycle. - Navigation Link: Remove color generation code [https://github.com/WordPress/gutenberg/pull/48927 Gutenberg PR 48927] and [https://github.com/WordPress/gutenberg/pull/49064 Gutenberg PR 49064] ✅ - Fix settings tab active state border in block inspector [https://github.com/WordPress/gutenberg/pull/48945 Gutenberg PR 48945] ✅ - Fix text alignment in the Site Editor sidebar [https://github.com/WordPress/gutenberg/pull/48959 Gutenberg PR 48959] ✅ Making template descriptions more prominent is part of 6.2. References: * [https://github.com/WordPress/gutenberg/commit/f22a3cbf0cd8f48c7ef800a09b69212a893b99b8 Packages x.3.9 publish commit] * [https://github.com/WordPress/gutenberg/commit/356298f91f5e43d68dda6a770e3e6f8e1aa69f14 Packages x.3.10 publish commit] Follow-up to [55496]. Props mamaduka, tobifjellner, davidbaumwald, costdev, audrasjb, hellofromTonya. See #57471. Fixes #57895. Built from https://develop.svn.wordpress.org/trunk@55542 git-svn-id: http://core.svn.wordpress.org/trunk@55054 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$style_attribute = $font_sizes['inline_styles'];
$css_classes = trim( implode( ' ', $classes ) );
$has_submenu = count( $block->inner_blocks ) > 0;
$kind = empty( $attributes['kind'] ) ? 'post_type' : str_replace( '-', '_', $attributes['kind'] );
$is_active = ! empty( $attributes['id'] ) && get_queried_object_id() === (int) $attributes['id'] && ! empty( get_queried_object()->$kind );
$wrapper_attributes = get_block_wrapper_attributes(
array(
'class' => $css_classes . ' wp-block-navigation-item' . ( $has_submenu ? ' has-child' : '' ) .
( $is_active ? ' current-menu-item' : '' ),
'style' => $style_attribute,
)
);
$html = '<li ' . $wrapper_attributes . '>' .
'<a class="wp-block-navigation-item__content" ';
// Start appending HTML attributes to anchor tag.
if ( isset( $attributes['url'] ) ) {
$html .= ' href="' . esc_url( block_core_navigation_link_maybe_urldecode( $attributes['url'] ) ) . '"';
}
if ( $is_active ) {
$html .= ' aria-current="page"';
}
if ( isset( $attributes['opensInNewTab'] ) && true === $attributes['opensInNewTab'] ) {
$html .= ' target="_blank" ';
}
if ( isset( $attributes['rel'] ) ) {
$html .= ' rel="' . esc_attr( $attributes['rel'] ) . '"';
} elseif ( isset( $attributes['nofollow'] ) && $attributes['nofollow'] ) {
$html .= ' rel="nofollow"';
}
if ( isset( $attributes['title'] ) ) {
$html .= ' title="' . esc_attr( $attributes['title'] ) . '"';
}
// End appending HTML attributes to anchor tag.
// Start anchor tag content.
$html .= '>' .
// Wrap title with span to isolate it from submenu icon.
'<span class="wp-block-navigation-item__label">';
if ( isset( $attributes['label'] ) ) {
$html .= wp_kses_post( $attributes['label'] );
}
$html .= '</span>';
// Add description if available.
if ( ! empty( $attributes['description'] ) ) {
$html .= '<span class="wp-block-navigation-item__description">';
$html .= wp_kses_post( $attributes['description'] );
$html .= '</span>';
}
$html .= '</a>';
// End anchor tag content.
if ( isset( $block->context['showSubmenuIcon'] ) && $block->context['showSubmenuIcon'] && $has_submenu ) {
// The submenu icon can be hidden by a CSS rule on the Navigation Block.
$html .= '<span class="wp-block-navigation__submenu-icon">' . block_core_navigation_link_render_submenu_icon() . '</span>';
}
if ( $has_submenu ) {
$inner_blocks_html = '';
foreach ( $block->inner_blocks as $inner_block ) {
$inner_blocks_html .= $inner_block->render();
}
$html .= sprintf(
'<ul class="wp-block-navigation__submenu-container">%s</ul>',
$inner_blocks_html
);
}
$html .= '</li>';
return $html;
}
/**
* Returns a navigation link variation
*
* @param WP_Taxonomy|WP_Post_Type $entity post type or taxonomy entity.
* @param string $kind string of value 'taxonomy' or 'post-type'.
*
* @return array
*/
function build_variation_for_navigation_link( $entity, $kind ) {
$title = '';
$description = '';
if ( property_exists( $entity->labels, 'item_link' ) ) {
$title = $entity->labels->item_link;
}
if ( property_exists( $entity->labels, 'item_link_description' ) ) {
$description = $entity->labels->item_link_description;
}
$variation = array(
'name' => $entity->name,
'title' => $title,
'description' => $description,
'attributes' => array(
'type' => $entity->name,
'kind' => $kind,
),
);
// Tweak some value for the variations.
$variation_overrides = array(
'post_tag' => array(
'name' => 'tag',
'attributes' => array(
'type' => 'tag',
'kind' => $kind,
),
),
'post_format' => array(
// The item_link and item_link_description for post formats is the
// same as for tags, so need to be overridden.
'title' => __( 'Post Format Link' ),
'description' => __( 'A link to a post format' ),
'attributes' => array(
'type' => 'post_format',
'kind' => $kind,
),
),
);
if ( array_key_exists( $entity->name, $variation_overrides ) ) {
$variation = array_merge(
$variation,
$variation_overrides[ $entity->name ]
);
}
return $variation;
}
/**
* Register the navigation link block.
*
* @uses render_block_core_navigation()
* @throws WP_Error An WP_Error exception parsing the block definition.
*/
function register_block_core_navigation_link() {
$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'objects' );
$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'objects' );
// Use two separate arrays as a way to order the variations in the UI.
// Known variations (like Post Link and Page Link) are added to the
// `built_ins` array. Variations for custom post types and taxonomies are
// added to the `variations` array and will always appear after `built-ins.
$built_ins = array();
$variations = array();
if ( $post_types ) {
foreach ( $post_types as $post_type ) {
$variation = build_variation_for_navigation_link( $post_type, 'post-type' );
if ( $post_type->_builtin ) {
$built_ins[] = $variation;
} else {
$variations[] = $variation;
}
}
}
if ( $taxonomies ) {
foreach ( $taxonomies as $taxonomy ) {
$variation = build_variation_for_navigation_link( $taxonomy, 'taxonomy' );
if ( $taxonomy->_builtin ) {
$built_ins[] = $variation;
} else {
$variations[] = $variation;
}
}
}
register_block_type_from_metadata(
__DIR__ . '/navigation-link',
array(
'render_callback' => 'render_block_core_navigation_link',
'variations' => array_merge( $built_ins, $variations ),
)
);
}
add_action( 'init', 'register_block_core_navigation_link' );