Diff: STRATO-apps/wordpress_03/app/wp-includes/blocks/page-list.php

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1 + <?php
2 + /**
3 + * Server-side rendering of the `core/pages` block.
4 + *
5 + * @package WordPress
6 + */
7 +
8 + /**
9 + * Build an array with CSS classes and inline styles defining the colors
10 + * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
11 + *
12 + * @since 5.8.0
13 + *
14 + * @param array $attributes Block attributes.
15 + * @param array $context Navigation block context.
16 + * @return array Colors CSS classes and inline styles.
17 + */
18 + function block_core_page_list_build_css_colors( $attributes, $context ) {
19 + $colors = array(
20 + 'css_classes' => array(),
21 + 'inline_styles' => '',
22 + 'overlay_css_classes' => array(),
23 + 'overlay_inline_styles' => '',
24 + );
25 +
26 + // Text color.
27 + $has_named_text_color = array_key_exists( 'textColor', $context );
28 + $has_picked_text_color = array_key_exists( 'customTextColor', $context );
29 + $has_custom_text_color = isset( $context['style']['color']['text'] );
30 +
31 + // If has text color.
32 + if ( $has_custom_text_color || $has_picked_text_color || $has_named_text_color ) {
33 + // Add has-text-color class.
34 + $colors['css_classes'][] = 'has-text-color';
35 + }
36 +
37 + if ( $has_named_text_color ) {
38 + // Add the color class.
39 + $colors['css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['textColor'] ) );
40 + } elseif ( $has_picked_text_color ) {
41 + $colors['inline_styles'] .= sprintf( 'color: %s;', $context['customTextColor'] );
42 + } elseif ( $has_custom_text_color ) {
43 + // Add the custom color inline style.
44 + $colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] );
45 + }
46 +
47 + // Background color.
48 + $has_named_background_color = array_key_exists( 'backgroundColor', $context );
49 + $has_picked_background_color = array_key_exists( 'customBackgroundColor', $context );
50 + $has_custom_background_color = isset( $context['style']['color']['background'] );
51 +
52 + // If has background color.
53 + if ( $has_custom_background_color || $has_picked_background_color || $has_named_background_color ) {
54 + // Add has-background class.
55 + $colors['css_classes'][] = 'has-background';
56 + }
57 +
58 + if ( $has_named_background_color ) {
59 + // Add the background-color class.
60 + $colors['css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['backgroundColor'] ) );
61 + } elseif ( $has_picked_background_color ) {
62 + $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['customBackgroundColor'] );
63 + } elseif ( $has_custom_background_color ) {
64 + // Add the custom background-color inline style.
65 + $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] );
66 + }
67 +
68 + // Overlay text color.
69 + $has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $context );
70 + $has_picked_overlay_text_color = array_key_exists( 'customOverlayTextColor', $context );
71 +
72 + // If it has a text color.
73 + if ( $has_named_overlay_text_color || $has_picked_overlay_text_color ) {
74 + $colors['overlay_css_classes'][] = 'has-text-color';
75 + }
76 +
77 + // Give overlay colors priority, fall back to Navigation block colors, then global styles.
78 + if ( $has_named_overlay_text_color ) {
79 + $colors['overlay_css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['overlayTextColor'] ) );
80 + } elseif ( $has_picked_overlay_text_color ) {
81 + $colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $context['customOverlayTextColor'] );
82 + }
83 +
84 + // Overlay background colors.
85 + $has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $context );
86 + $has_picked_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $context );
87 +
88 + // If has background color.
89 + if ( $has_named_overlay_background_color || $has_picked_overlay_background_color ) {
90 + $colors['overlay_css_classes'][] = 'has-background';
91 + }
92 +
93 + if ( $has_named_overlay_background_color ) {
94 + $colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['overlayBackgroundColor'] ) );
95 + } elseif ( $has_picked_overlay_background_color ) {
96 + $colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $context['customOverlayBackgroundColor'] );
97 + }
98 +
99 + return $colors;
100 + }
101 +
102 + /**
103 + * Build an array with CSS classes and inline styles defining the font sizes
104 + * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
105 + *
106 + * @since 5.8.0
107 + *
108 + * @param array $context Navigation block context.
109 + * @return array Font size CSS classes and inline styles.
110 + */
111 + function block_core_page_list_build_css_font_sizes( $context ) {
112 + // CSS classes.
113 + $font_sizes = array(
114 + 'css_classes' => array(),
115 + 'inline_styles' => '',
116 + );
117 +
118 + $has_named_font_size = array_key_exists( 'fontSize', $context );
119 + $has_custom_font_size = isset( $context['style']['typography']['fontSize'] );
120 +
121 + if ( $has_named_font_size ) {
122 + // Add the font size class.
123 + $font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );
124 + } elseif ( $has_custom_font_size ) {
125 + // Add the custom font size inline style.
126 + $font_sizes['inline_styles'] = sprintf(
127 + 'font-size: %s;',
128 + wp_get_typography_font_size_value(
129 + array(
130 + 'size' => $context['style']['typography']['fontSize'],
131 + )
132 + )
133 + );
134 + }
135 +
136 + return $font_sizes;
137 + }
138 +
139 + /**
140 + * Outputs Page list markup from an array of pages with nested children.
141 + *
142 + * @since 5.8.0
143 + *
144 + * @param boolean $open_submenus_on_click Whether to open submenus on click instead of hover.
145 + * @param boolean $show_submenu_icons Whether to show submenu indicator icons.
146 + * @param boolean $is_navigation_child If block is a child of Navigation block.
147 + * @param array $nested_pages The array of nested pages.
148 + * @param boolean $is_nested Whether the submenu is nested or not.
149 + * @param array $active_page_ancestor_ids An array of ancestor ids for active page.
150 + * @param array $colors Color information for overlay styles.
151 + * @param integer $depth The nesting depth.
152 + *
153 + * @return string List markup.
154 + */
155 + function block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids = array(), $colors = array(), $depth = 0 ) {
156 + if ( empty( $nested_pages ) ) {
157 + return;
158 + }
159 + $front_page_id = (int) get_option( 'page_on_front' );
160 + $markup = '';
161 + foreach ( (array) $nested_pages as $page ) {
162 + $css_class = $page['is_active'] ? ' current-menu-item' : '';
163 + $aria_current = $page['is_active'] ? ' aria-current="page"' : '';
164 + $style_attribute = '';
165 +
166 + $css_class .= in_array( $page['page_id'], $active_page_ancestor_ids, true ) ? ' current-menu-ancestor' : '';
167 + if ( isset( $page['children'] ) ) {
168 + $css_class .= ' has-child';
169 + }
170 +
171 + if ( $is_navigation_child ) {
172 + $css_class .= ' wp-block-navigation-item';
173 +
174 + if ( $open_submenus_on_click ) {
175 + $css_class .= ' open-on-click';
176 + } elseif ( $show_submenu_icons ) {
177 + $css_class .= ' open-on-hover-click';
178 + }
179 + }
180 +
181 + $navigation_child_content_class = $is_navigation_child ? ' wp-block-navigation-item__content' : '';
182 +
183 + // If this is the first level of submenus, include the overlay colors.
184 + if ( ( ( 0 < $depth && ! $is_nested ) || $is_nested ) && isset( $colors['overlay_css_classes'], $colors['overlay_inline_styles'] ) ) {
185 + $css_class .= ' ' . trim( implode( ' ', $colors['overlay_css_classes'] ) );
186 + if ( '' !== $colors['overlay_inline_styles'] ) {
187 + $style_attribute = sprintf( ' style="%s"', esc_attr( $colors['overlay_inline_styles'] ) );
188 + }
189 + }
190 +
191 + if ( (int) $page['page_id'] === $front_page_id ) {
192 + $css_class .= ' menu-item-home';
193 + }
194 +
195 + $title = wp_kses_post( $page['title'] );
196 + $title = $title ? $title : __( '(no title)' );
197 +
198 + $aria_label = sprintf(
199 + /* translators: Accessibility text. %s: Parent page title. */
200 + __( '%s submenu' ),
201 + wp_strip_all_tags( $title )
202 + );
203 +
204 + $markup .= '<li class="wp-block-pages-list__item' . esc_attr( $css_class ) . '"' . $style_attribute . '>';
205 +
206 + if ( isset( $page['children'] ) && $is_navigation_child && $open_submenus_on_click ) {
207 + $markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="' . esc_attr( $navigation_child_content_class ) . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . esc_html( $title ) .
208 + '</button><span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><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></span>';
209 + } else {
210 + $markup .= '<a class="wp-block-pages-list__item__link' . esc_attr( $navigation_child_content_class ) . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . $title . '</a>';
211 + }
212 +
213 + if ( isset( $page['children'] ) ) {
214 + if ( $is_navigation_child && $show_submenu_icons && ! $open_submenus_on_click ) {
215 + $markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">';
216 + $markup .= '<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>';
217 + $markup .= '</button>';
218 + }
219 + $markup .= '<ul class="wp-block-navigation__submenu-container">';
220 + $markup .= block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $page['children'], $is_nested, $active_page_ancestor_ids, $colors, $depth + 1 );
221 + $markup .= '</ul>';
222 + }
223 + $markup .= '</li>';
224 + }
225 + return $markup;
226 + }
227 +
228 + /**
229 + * Outputs nested array of pages
230 + *
231 + * @since 5.8.0
232 + *
233 + * @param array $current_level The level being iterated through.
234 + * @param array $children The children grouped by parent post ID.
235 + *
236 + * @return array The nested array of pages.
237 + */
238 + function block_core_page_list_nest_pages( $current_level, $children ) {
239 + if ( empty( $current_level ) ) {
240 + return;
241 + }
242 + foreach ( (array) $current_level as $key => $current ) {
243 + if ( isset( $children[ $key ] ) ) {
244 + $current_level[ $key ]['children'] = block_core_page_list_nest_pages( $children[ $key ], $children );
245 + }
246 + }
247 + return $current_level;
248 + }
249 +
250 + /**
251 + * Renders the `core/page-list` block on server.
252 + *
253 + * @since 5.8.0
254 + *
255 + * @param array $attributes The block attributes.
256 + * @param string $content The saved content.
257 + * @param WP_Block $block The parsed block.
258 + *
259 + * @return string Returns the page list markup.
260 + */
261 + function render_block_core_page_list( $attributes, $content, $block ) {
262 + static $block_id = 0;
263 + ++$block_id;
264 +
265 + $parent_page_id = $attributes['parentPageID'];
266 + $is_nested = $attributes['isNested'];
267 +
268 + $all_pages = get_pages(
269 + array(
270 + 'sort_column' => 'menu_order,post_title',
271 + 'order' => 'asc',
272 + )
273 + );
274 +
275 + // If there are no pages, there is nothing to show.
276 + if ( empty( $all_pages ) ) {
277 + return;
278 + }
279 +
280 + $top_level_pages = array();
281 +
282 + $pages_with_children = array();
283 +
284 + $active_page_ancestor_ids = array();
285 +
286 + foreach ( (array) $all_pages as $page ) {
287 + $is_active = ! empty( $page->ID ) && ( get_queried_object_id() === $page->ID );
288 +
289 + if ( $is_active ) {
290 + $active_page_ancestor_ids = get_post_ancestors( $page->ID );
291 + }
292 +
293 + if ( $page->post_parent ) {
294 + $pages_with_children[ $page->post_parent ][ $page->ID ] = array(
295 + 'page_id' => $page->ID,
296 + 'title' => $page->post_title,
297 + 'link' => get_permalink( $page ),
298 + 'is_active' => $is_active,
299 + );
300 + } else {
301 + $top_level_pages[ $page->ID ] = array(
302 + 'page_id' => $page->ID,
303 + 'title' => $page->post_title,
304 + 'link' => get_permalink( $page ),
305 + 'is_active' => $is_active,
306 + );
307 +
308 + }
309 + }
310 +
311 + $colors = block_core_page_list_build_css_colors( $attributes, $block->context );
312 + $font_sizes = block_core_page_list_build_css_font_sizes( $block->context );
313 + $classes = array_merge(
314 + $colors['css_classes'],
315 + $font_sizes['css_classes']
316 + );
317 + $style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] );
318 + $css_classes = trim( implode( ' ', $classes ) );
319 +
320 + $nested_pages = block_core_page_list_nest_pages( $top_level_pages, $pages_with_children );
321 +
322 + if ( 0 !== $parent_page_id ) {
323 + // If the parent page has no child pages, there is nothing to show.
324 + if ( ! array_key_exists( $parent_page_id, $pages_with_children ) ) {
325 + return;
326 + }
327 +
328 + $nested_pages = block_core_page_list_nest_pages(
329 + $pages_with_children[ $parent_page_id ],
330 + $pages_with_children
331 + );
332 + }
333 +
334 + $is_navigation_child = array_key_exists( 'showSubmenuIcon', $block->context );
335 +
336 + $open_submenus_on_click = array_key_exists( 'openSubmenusOnClick', $block->context ) ? $block->context['openSubmenusOnClick'] : false;
337 +
338 + $show_submenu_icons = array_key_exists( 'showSubmenuIcon', $block->context ) ? $block->context['showSubmenuIcon'] : false;
339 +
340 + $wrapper_markup = $is_nested ? '%2$s' : '<ul %1$s>%2$s</ul>';
341 +
342 + $items_markup = block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids, $colors );
343 +
344 + $wrapper_attributes = get_block_wrapper_attributes(
345 + array(
346 + 'class' => $css_classes,
347 + 'style' => $style_attribute,
348 + )
349 + );
350 +
351 + return sprintf(
352 + $wrapper_markup,
353 + $wrapper_attributes,
354 + $items_markup
355 + );
356 + }
357 +
358 + /**
359 + * Registers the `core/pages` block on server.
360 + *
361 + * @since 5.8.0
362 + */
363 + function register_block_core_page_list() {
364 + register_block_type_from_metadata(
365 + __DIR__ . '/page-list',
366 + array(
367 + 'render_callback' => 'render_block_core_page_list',
368 + )
369 + );
370 + }
371 + add_action( 'init', 'register_block_core_page_list' );
372 +