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.
*
* @param array $context Navigation block context.
* @param array $attributes Block attributes.
* @return array Colors CSS classes and inline styles.
*/
function block_core_navigation_link_build_css_colors( $context, $attributes ) {
$colors = array(
'css_classes' => array(),
'inline_styles' => '',
);
$is_sub_menu = isset( $attributes['isTopLevelLink'] ) ? ( ! $attributes['isTopLevelLink'] ) : false;
// 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.
Update @wordpress packages for Beta 4 Update packages with these bug fixes from Gutenberg: Navigation: Remove hardcoded typography units Handle parsed request Navigation: Refactor modal padding to be simpler and more flexible Show notice on save in site editor Add aria-pressed true/false to Toggle navigation button based on state Components FontSizePicker: Use incremental sequence of numbers Custom keys from theme.json: fix kebabCase conversion Template Part: Fix 'isMissing' condition check Multi-Entity Saving: Decode HTML entities in item titles Font sizes: update default values Query Loop: Add useBlockPreview, fix Query Loop wide alignment Only add dialog role to navigation when modal is open Fix navigation appender Show a UI warning when user does not have permission to update/edit a Navigation block Block editor: Fix Enter handling for nested blocks Update: Use subtitle styles for the palette names Allow publishing a post while not saving changes to non-post entities Update: Block top level useSetting paths Fix Site Logo block alignment issues Editor: when Toggle navigation receives state false, focus ToolsPanel: Allow items to register when panelId is null Block Support Panels - Make block support tools panels compatible Gallery: Fix block registration hook priority Navigation: Fix page list issues in overlay Ensure the overlay menu works when inserting navigation block pattern Restrict Navigation permissions and show UI warning if cannot create Add block gap support for group blocks Try cascading nav styles through classnames Fix: Impossible to edit theme and default colors Fix: Color editor discards colors with default name Site Editor: Fix template author avatar check Template Editing Mode: Fix options dropdown Avoid undo issues when reset parent blocks for controlled blocks Add comment-form and comment-list to html5 theme support and fix comment layout Props hellofromtonya. See #54487. Built from https://develop.svn.wordpress.org/trunk@52402 git-svn-id: http://core.svn.wordpress.org/trunk@51994 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$font_sizes['inline_styles'] = sprintf( 'font-size: %s;', $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" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg>';
}
/**
* Renders the `core/navigation-link` block.
*
* @param array $attributes The block attributes.
* @param array $content The saved content.
* @param array $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 '';
}
$colors = block_core_navigation_link_build_css_colors( $block->context, $attributes );
$font_sizes = block_core_navigation_link_build_css_font_sizes( $block->context );
$classes = array_merge(
$colors['css_classes'],
$font_sizes['css_classes']
);
$style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] );
$css_classes = trim( implode( ' ', $classes ) );
$has_submenu = count( $block->inner_blocks ) > 0;
$is_active = ! empty( $attributes['id'] ) && ( get_the_ID() === $attributes['id'] );
$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( $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(
$attributes['label'],
array(
'code' => array(),
'em' => array(),
'img' => array(
'scale' => array(),
'class' => array(),
'style' => array(),
'src' => array(),
'alt' => array(),
),
's' => array(),
'span' => array(
'style' => array(),
),
'strong' => array(),
)
);
}
$html .= '</span>';
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>';
}
$html .= '</a>';
// End anchor tag content.
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' );