| 1 |
<?php |
| 2 |
/** |
| 3 |
* Server-side rendering of the `core/navigation-submenu` block. |
| 4 |
* |
| 5 |
* @package WordPress |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Build an array with CSS classes and inline styles defining the font sizes |
| 10 |
* which will be applied to the navigation markup in the front-end. |
| 11 |
* |
| 12 |
* @param array $context Navigation block context. |
| 13 |
* @return array Font size CSS classes and inline styles. |
| 14 |
*/ |
| 15 |
function gutenberg_block_core_navigation_submenu_build_css_font_sizes( $context ) { |
| 16 |
// CSS classes. |
| 17 |
$font_sizes = array( |
| 18 |
'css_classes' => array(), |
| 19 |
'inline_styles' => '', |
| 20 |
); |
| 21 |
|
| 22 |
$has_named_font_size = array_key_exists( 'fontSize', $context ); |
| 23 |
$has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); |
| 24 |
|
| 25 |
if ( $has_named_font_size ) { |
| 26 |
// Add the font size class. |
| 27 |
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); |
| 28 |
} elseif ( $has_custom_font_size ) { |
| 29 |
// Add the custom font size inline style. |
| 30 |
$font_sizes['inline_styles'] = sprintf( |
| 31 |
'font-size: %s;', |
| 32 |
gutenberg_get_typography_font_size_value( |
| 33 |
array( |
| 34 |
'size' => $context['style']['typography']['fontSize'], |
| 35 |
) |
| 36 |
) |
| 37 |
); |
| 38 |
} |
| 39 |
|
| 40 |
return $font_sizes; |
| 41 |
} |
| 42 |
|
| 43 |
/** |
| 44 |
* Returns the top-level submenu SVG chevron icon. |
| 45 |
* |
| 46 |
* @return string |
| 47 |
*/ |
| 48 |
function gutenberg_block_core_navigation_submenu_render_submenu_icon() { |
| 49 |
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>'; |
| 50 |
} |
| 51 |
|
| 52 |
/** |
| 53 |
* Renders the `core/navigation-submenu` block. |
| 54 |
* |
| 55 |
* @param array $attributes The block attributes. |
| 56 |
* @param string $content The saved content. |
| 57 |
* @param WP_Block $block The parsed block. |
| 58 |
* |
| 59 |
* @return string Returns the post content with the legacy widget added. |
| 60 |
*/ |
| 61 |
function gutenberg_render_block_core_navigation_submenu( $attributes, $content, $block ) { |
| 62 |
$navigation_link_has_id = isset( $attributes['id'] ) && is_numeric( $attributes['id'] ); |
| 63 |
$is_post_type = isset( $attributes['kind'] ) && 'post-type' === $attributes['kind']; |
| 64 |
$is_post_type = $is_post_type || isset( $attributes['type'] ) && ( 'post' === $attributes['type'] || 'page' === $attributes['type'] ); |
| 65 |
|
| 66 |
// Don't render the block's subtree if it is a draft. |
| 67 |
if ( $is_post_type && $navigation_link_has_id && 'publish' !== get_post_status( $attributes['id'] ) ) { |
| 68 |
return ''; |
| 69 |
} |
| 70 |
|
| 71 |
// Don't render the block's subtree if it has no label. |
| 72 |
if ( empty( $attributes['label'] ) ) { |
| 73 |
return ''; |
| 74 |
} |
| 75 |
|
| 76 |
$font_sizes = gutenberg_block_core_navigation_submenu_build_css_font_sizes( $block->context ); |
| 77 |
$style_attribute = $font_sizes['inline_styles']; |
| 78 |
|
| 79 |
$css_classes = trim( implode( ' ', $font_sizes['css_classes'] ) ); |
| 80 |
$has_submenu = count( $block->inner_blocks ) > 0; |
| 81 |
$kind = empty( $attributes['kind'] ) ? 'post_type' : str_replace( '-', '_', $attributes['kind'] ); |
| 82 |
$is_active = ! empty( $attributes['id'] ) && get_queried_object_id() === (int) $attributes['id'] && ! empty( get_queried_object()->$kind ); |
| 83 |
|
| 84 |
$show_submenu_indicators = isset( $block->context['showSubmenuIcon'] ) && $block->context['showSubmenuIcon']; |
| 85 |
$open_on_click = isset( $block->context['openSubmenusOnClick'] ) && $block->context['openSubmenusOnClick']; |
| 86 |
$open_on_hover_and_click = isset( $block->context['openSubmenusOnClick'] ) && ! $block->context['openSubmenusOnClick'] && |
| 87 |
$show_submenu_indicators; |
| 88 |
|
| 89 |
$wrapper_attributes = get_block_wrapper_attributes( |
| 90 |
array( |
| 91 |
'class' => $css_classes . ' wp-block-navigation-item' . ( $has_submenu ? ' has-child' : '' ) . |
| 92 |
( $open_on_click ? ' open-on-click' : '' ) . ( $open_on_hover_and_click ? ' open-on-hover-click' : '' ) . |
| 93 |
( $is_active ? ' current-menu-item' : '' ), |
| 94 |
'style' => $style_attribute, |
| 95 |
) |
| 96 |
); |
| 97 |
|
| 98 |
$label = ''; |
| 99 |
|
| 100 |
if ( isset( $attributes['label'] ) ) { |
| 101 |
$label .= wp_kses_post( $attributes['label'] ); |
| 102 |
} |
| 103 |
|
| 104 |
$aria_label = sprintf( |
| 105 |
/* translators: Accessibility text. %s: Parent page title. */ |
| 106 |
__( '%s submenu' ), |
| 107 |
wp_strip_all_tags( $label ) |
| 108 |
); |
| 109 |
|
| 110 |
$html = '<li ' . $wrapper_attributes . '>'; |
| 111 |
|
| 112 |
// If Submenus open on hover, we render an anchor tag with attributes. |
| 113 |
// If submenu icons are set to show, we also render a submenu button, so the submenu can be opened on click. |
| 114 |
if ( ! $open_on_click ) { |
| 115 |
$item_url = isset( $attributes['url'] ) ? $attributes['url'] : ''; |
| 116 |
// Start appending HTML attributes to anchor tag. |
| 117 |
$html .= '<a class="wp-block-navigation-item__content"'; |
| 118 |
|
| 119 |
// The href attribute on a and area elements is not required; |
| 120 |
// when those elements do not have href attributes they do not create hyperlinks. |
| 121 |
// But also The href attribute must have a value that is a valid URL potentially |
| 122 |
// surrounded by spaces. |
| 123 |
// see: https://html.spec.whatwg.org/multipage/links.html#links-created-by-a-and-area-elements. |
| 124 |
if ( ! empty( $item_url ) ) { |
| 125 |
$html .= ' href="' . esc_url( $item_url ) . '"'; |
| 126 |
} |
| 127 |
|
| 128 |
if ( $is_active ) { |
| 129 |
$html .= ' aria-current="page"'; |
| 130 |
} |
| 131 |
|
| 132 |
if ( isset( $attributes['opensInNewTab'] ) && true === $attributes['opensInNewTab'] ) { |
| 133 |
$html .= ' target="_blank" '; |
| 134 |
} |
| 135 |
|
| 136 |
if ( isset( $attributes['rel'] ) ) { |
| 137 |
$html .= ' rel="' . esc_attr( $attributes['rel'] ) . '"'; |
| 138 |
} elseif ( isset( $attributes['nofollow'] ) && $attributes['nofollow'] ) { |
| 139 |
$html .= ' rel="nofollow"'; |
| 140 |
} |
| 141 |
|
| 142 |
if ( isset( $attributes['title'] ) ) { |
| 143 |
$html .= ' title="' . esc_attr( $attributes['title'] ) . '"'; |
| 144 |
} |
| 145 |
|
| 146 |
$html .= '>'; |
| 147 |
// End appending HTML attributes to anchor tag. |
| 148 |
|
| 149 |
$html .= $label; |
| 150 |
|
| 151 |
$html .= '</a>'; |
| 152 |
// End anchor tag content. |
| 153 |
|
| 154 |
if ( $show_submenu_indicators ) { |
| 155 |
// The submenu icon is rendered in a button here |
| 156 |
// so that there's a clickable element to open the submenu. |
| 157 |
$html .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">' . gutenberg_block_core_navigation_submenu_render_submenu_icon() . '</button>'; |
| 158 |
} |
| 159 |
} else { |
| 160 |
// If menus open on click, we render the parent as a button. |
| 161 |
$html .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="wp-block-navigation-item__content wp-block-navigation-submenu__toggle" aria-expanded="false">'; |
| 162 |
|
| 163 |
// Wrap title with span to isolate it from submenu icon. |
| 164 |
$html .= '<span class="wp-block-navigation-item__label">'; |
| 165 |
|
| 166 |
$html .= $label; |
| 167 |
|
| 168 |
$html .= '</span>'; |
| 169 |
|
| 170 |
$html .= '</button>'; |
| 171 |
|
| 172 |
$html .= '<span class="wp-block-navigation__submenu-icon">' . gutenberg_block_core_navigation_submenu_render_submenu_icon() . '</span>'; |
| 173 |
|
| 174 |
} |
| 175 |
|
| 176 |
if ( $has_submenu ) { |
| 177 |
// Copy some attributes from the parent block to this one. |
| 178 |
// Ideally this would happen in the client when the block is created. |
| 179 |
if ( array_key_exists( 'overlayTextColor', $block->context ) ) { |
| 180 |
$attributes['textColor'] = $block->context['overlayTextColor']; |
| 181 |
} |
| 182 |
if ( array_key_exists( 'overlayBackgroundColor', $block->context ) ) { |
| 183 |
$attributes['backgroundColor'] = $block->context['overlayBackgroundColor']; |
| 184 |
} |
| 185 |
if ( array_key_exists( 'customOverlayTextColor', $block->context ) ) { |
| 186 |
$attributes['style']['color']['text'] = $block->context['customOverlayTextColor']; |
| 187 |
} |
| 188 |
if ( array_key_exists( 'customOverlayBackgroundColor', $block->context ) ) { |
| 189 |
$attributes['style']['color']['background'] = $block->context['customOverlayBackgroundColor']; |
| 190 |
} |
| 191 |
|
| 192 |
// This allows us to be able to get a response from gutenberg_apply_colors_support. |
| 193 |
$block->block_type->supports['color'] = true; |
| 194 |
$colors_supports = gutenberg_apply_colors_support( $block->block_type, $attributes ); |
| 195 |
$css_classes = 'wp-block-navigation__submenu-container'; |
| 196 |
if ( array_key_exists( 'class', $colors_supports ) ) { |
| 197 |
$css_classes .= ' ' . $colors_supports['class']; |
| 198 |
} |
| 199 |
|
| 200 |
$style_attribute = ''; |
| 201 |
if ( array_key_exists( 'style', $colors_supports ) ) { |
| 202 |
$style_attribute = $colors_supports['style']; |
| 203 |
} |
| 204 |
|
| 205 |
$inner_blocks_html = ''; |
| 206 |
foreach ( $block->inner_blocks as $inner_block ) { |
| 207 |
$inner_blocks_html .= $inner_block->render(); |
| 208 |
} |
| 209 |
|
| 210 |
if ( strpos( $inner_blocks_html, 'current-menu-item' ) ) { |
| 211 |
$tag_processor = new WP_HTML_Tag_Processor( $html ); |
| 212 |
while ( $tag_processor->next_tag( array( 'class_name' => 'wp-block-navigation-item__content' ) ) ) { |
| 213 |
$tag_processor->add_class( 'current-menu-ancestor' ); |
| 214 |
} |
| 215 |
$html = $tag_processor->get_updated_html(); |
| 216 |
} |
| 217 |
|
| 218 |
$wrapper_attributes = get_block_wrapper_attributes( |
| 219 |
array( |
| 220 |
'class' => $css_classes, |
| 221 |
'style' => $style_attribute, |
| 222 |
) |
| 223 |
); |
| 224 |
|
| 225 |
$html .= sprintf( |
| 226 |
'<ul %s>%s</ul>', |
| 227 |
$wrapper_attributes, |
| 228 |
$inner_blocks_html |
| 229 |
); |
| 230 |
|
| 231 |
} |
| 232 |
|
| 233 |
$html .= '</li>'; |
| 234 |
|
| 235 |
return $html; |
| 236 |
} |
| 237 |
|
| 238 |
/** |
| 239 |
* Register the navigation submenu block. |
| 240 |
* |
| 241 |
* @uses gutenberg_render_block_core_navigation_submenu() |
| 242 |
* @throws WP_Error An WP_Error exception parsing the block definition. |
| 243 |
*/ |
| 244 |
function gutenberg_register_block_core_navigation_submenu() { |
| 245 |
register_block_type_from_metadata( |
| 246 |
__DIR__ . '/navigation-submenu', |
| 247 |
array( |
| 248 |
'render_callback' => 'gutenberg_render_block_core_navigation_submenu', |
| 249 |
) |
| 250 |
); |
| 251 |
} |
| 252 |
add_action( 'init', 'gutenberg_register_block_core_navigation_submenu', 20 ); |
| 253 |
|
