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<?php |
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/** |
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* Server-side rendering of the `core/pages` 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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* Build an array with CSS classes and inline styles defining the colors |
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* which will be applied to the pages markup in the front-end when it is a descendant of navigation. |
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* |
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* @param array $attributes Block attributes. |
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* @param array $context Navigation block context. |
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* @return array Colors CSS classes and inline styles. |
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*/ |
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function gutenberg_block_core_page_list_build_css_colors( $attributes, $context ) { |
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$colors = array( |
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'css_classes' => array(), |
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'inline_styles' => '', |
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'overlay_css_classes' => array(), |
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'overlay_inline_styles' => '', |
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); |
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|
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// Text color. |
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$has_named_text_color = array_key_exists( 'textColor', $context ); |
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$has_picked_text_color = array_key_exists( 'customTextColor', $context ); |
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$has_custom_text_color = isset( $context['style']['color']['text'] ); |
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|
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// If has text color. |
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if ( $has_custom_text_color || $has_picked_text_color || $has_named_text_color ) { |
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// Add has-text-color class. |
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$colors['css_classes'][] = 'has-text-color'; |
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} |
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|
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if ( $has_named_text_color ) { |
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// Add the color class. |
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$colors['css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['textColor'] ) ); |
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} elseif ( $has_picked_text_color ) { |
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$colors['inline_styles'] .= sprintf( 'color: %s;', $context['customTextColor'] ); |
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} elseif ( $has_custom_text_color ) { |
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// Add the custom color inline style. |
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$colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] ); |
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} |
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|
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// Background color. |
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$has_named_background_color = array_key_exists( 'backgroundColor', $context ); |
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$has_picked_background_color = array_key_exists( 'customBackgroundColor', $context ); |
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$has_custom_background_color = isset( $context['style']['color']['background'] ); |
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|
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// If has background color. |
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if ( $has_custom_background_color || $has_picked_background_color || $has_named_background_color ) { |
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// Add has-background class. |
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$colors['css_classes'][] = 'has-background'; |
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} |
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|
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if ( $has_named_background_color ) { |
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// Add the background-color class. |
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$colors['css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['backgroundColor'] ) ); |
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} elseif ( $has_picked_background_color ) { |
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$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['customBackgroundColor'] ); |
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} elseif ( $has_custom_background_color ) { |
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// Add the custom background-color inline style. |
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$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] ); |
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} |
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|
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// Overlay text color. |
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$has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $context ); |
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$has_picked_overlay_text_color = array_key_exists( 'customOverlayTextColor', $context ); |
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|
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// If it has a text color. |
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if ( $has_named_overlay_text_color || $has_picked_overlay_text_color ) { |
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$colors['overlay_css_classes'][] = 'has-text-color'; |
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} |
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|
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// Give overlay colors priority, fall back to Navigation block colors, then global styles. |
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if ( $has_named_overlay_text_color ) { |
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$colors['overlay_css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['overlayTextColor'] ) ); |
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} elseif ( $has_picked_overlay_text_color ) { |
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$colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $context['customOverlayTextColor'] ); |
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} |
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|
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// Overlay background colors. |
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$has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $context ); |
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$has_picked_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $context ); |
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|
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// If has background color. |
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if ( $has_named_overlay_background_color || $has_picked_overlay_background_color ) { |
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$colors['overlay_css_classes'][] = 'has-background'; |
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} |
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|
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if ( $has_named_overlay_background_color ) { |
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$colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['overlayBackgroundColor'] ) ); |
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} elseif ( $has_picked_overlay_background_color ) { |
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$colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $context['customOverlayBackgroundColor'] ); |
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} |
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|
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return $colors; |
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} |
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|
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/** |
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* Build an array with CSS classes and inline styles defining the font sizes |
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* which will be applied to the pages markup in the front-end when it is a descendant of navigation. |
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* |
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* @param array $context Navigation block context. |
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* @return array Font size CSS classes and inline styles. |
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*/ |
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function gutenberg_block_core_page_list_build_css_font_sizes( $context ) { |
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// CSS classes. |
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$font_sizes = array( |
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'css_classes' => array(), |
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'inline_styles' => '', |
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); |
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|
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$has_named_font_size = array_key_exists( 'fontSize', $context ); |
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$has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); |
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|
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if ( $has_named_font_size ) { |
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// Add the font size class. |
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$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); |
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} elseif ( $has_custom_font_size ) { |
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// Add the custom font size inline style. |
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$font_sizes['inline_styles'] = sprintf( 'font-size: %spx;', $context['style']['typography']['fontSize'] ); |
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} |
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|
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return $font_sizes; |
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} |
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|
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/** |
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* Outputs Page list markup from an array of pages with nested children. |
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* |
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* @param boolean $open_submenus_on_click Whether to open submenus on click instead of hover. |
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* @param boolean $show_submenu_icons Whether to show submenu indicator icons. |
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* @param boolean $is_navigation_child If block is a child of Navigation block. |
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* @param array $nested_pages The array of nested pages. |
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* @param array $active_page_ancestor_ids An array of ancestor ids for active page. |
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* @param array $colors Color information for overlay styles. |
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* @param integer $depth The nesting depth. |
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* |
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* @return string List markup. |
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*/ |
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function gutenberg_block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $active_page_ancestor_ids = array(), $colors = array(), $depth = 0 ) { |
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if ( empty( $nested_pages ) ) { |
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return; |
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} |
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$markup = ''; |
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foreach ( (array) $nested_pages as $page ) { |
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$css_class = $page['is_active'] ? ' current-menu-item' : ''; |
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$aria_current = $page['is_active'] ? ' aria-current="page"' : ''; |
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$style_attribute = ''; |
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|
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$css_class .= in_array( $page['page_id'], $active_page_ancestor_ids, true ) ? ' current-menu-ancestor' : ''; |
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if ( isset( $page['children'] ) ) { |
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$css_class .= ' has-child'; |
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} |
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|
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if ( $is_navigation_child ) { |
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$css_class .= ' wp-block-navigation-item'; |
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|
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if ( $open_submenus_on_click ) { |
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$css_class .= ' open-on-click'; |
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} elseif ( $show_submenu_icons ) { |
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$css_class .= ' open-on-hover-click'; |
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} |
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} |
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|
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$navigation_child_content_class = $is_navigation_child ? ' wp-block-navigation-item__content' : ''; |
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|
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// If this is the first level of submenus, include the overlay colors. |
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if ( 1 === $depth && isset( $colors['overlay_css_classes'], $colors['overlay_inline_styles'] ) ) { |
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$css_class .= ' ' . trim( implode( ' ', $colors['overlay_css_classes'] ) ); |
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if ( '' !== $colors['overlay_inline_styles'] ) { |
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$style_attribute = sprintf( ' style="%s"', esc_attr( $colors['overlay_inline_styles'] ) ); |
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} |
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} |
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|
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$title = wp_kses( $page['title'], wp_kses_allowed_html( 'post' ) ); |
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|
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$markup .= '<li class="wp-block-pages-list__item' . $css_class . '"' . $style_attribute . '>'; |
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|
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if ( isset( $page['children'] ) && $is_navigation_child && $open_submenus_on_click ) { |
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$markup .= '<button aria-label="' . $title . ' ' . __( 'submenu', 'gutenberg' ) . '" class="' . $navigation_child_content_class . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . $title . '<span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>' . |
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'</button>'; |
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} else { |
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$markup .= '<a class="wp-block-pages-list__item__link' . $navigation_child_content_class . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . $title . '</a>'; |
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} |
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|
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if ( isset( $page['children'] ) ) { |
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if ( $is_navigation_child && $show_submenu_icons && ! $open_submenus_on_click ) { |
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$markup .= '<button aria-label="' . $title . ' ' . __( 'submenu', 'gutenberg' ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">'; |
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$markup .= '<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" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>'; |
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$markup .= '</button>'; |
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} |
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$markup .= '<ul class="submenu-container'; |
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// Extra classname is added when the block is a child of Navigation. |
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if ( $is_navigation_child ) { |
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$markup .= ' wp-block-navigation__submenu-container'; |
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} |
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$markup .= '">' . gutenberg_block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $page['children'], $active_page_ancestor_ids, $colors, $depth + 1 ) . '</ul>'; |
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} |
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$markup .= '</li>'; |
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} |
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return $markup; |
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} |
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|
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/** |
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* Outputs nested array of pages |
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* |
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* @param array $current_level The level being iterated through. |
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* @param array $children The children grouped by parent post ID. |
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* |
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* @return array The nested array of pages. |
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*/ |
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function gutenberg_block_core_page_list_nest_pages( $current_level, $children ) { |
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if ( empty( $current_level ) ) { |
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return; |
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} |
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foreach ( (array) $current_level as $key => $current ) { |
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if ( isset( $children[ $key ] ) ) { |
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$current_level[ $key ]['children'] = gutenberg_block_core_page_list_nest_pages( $children[ $key ], $children ); |
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} |
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} |
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return $current_level; |
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} |
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|
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/** |
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* Renders the `core/page-list` block on server. |
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* |
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* @param array $attributes The block attributes. |
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* @param array $content The saved content. |
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* @param array $block The parsed block. |
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* |
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* @return string Returns the page list markup. |
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*/ |
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function gutenberg_render_block_core_page_list( $attributes, $content, $block ) { |
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static $block_id = 0; |
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$block_id++; |
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|
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$all_pages = get_pages( |
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array( |
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'sort_column' => 'menu_order,post_title', |
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'order' => 'asc', |
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) |
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); |
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|
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// If thare are no pages, there is nothing to show. |
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if ( empty( $all_pages ) ) { |
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return; |
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} |
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|
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$top_level_pages = array(); |
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|
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$pages_with_children = array(); |
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|
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$active_page_ancestor_ids = array(); |
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|
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foreach ( (array) $all_pages as $page ) { |
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$is_active = ! empty( $page->ID ) && ( get_the_ID() === $page->ID ); |
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|
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if ( $is_active ) { |
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$active_page_ancestor_ids = get_post_ancestors( $page->ID ); |
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} |
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|
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if ( $page->post_parent ) { |
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$pages_with_children[ $page->post_parent ][ $page->ID ] = array( |
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'page_id' => $page->ID, |
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'title' => $page->post_title, |
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'link' => get_permalink( $page->ID ), |
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'is_active' => $is_active, |
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); |
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} else { |
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$top_level_pages[ $page->ID ] = array( |
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'page_id' => $page->ID, |
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'title' => $page->post_title, |
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'link' => get_permalink( $page->ID ), |
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'is_active' => $is_active, |
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); |
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|
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} |
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} |
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|
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$colors = gutenberg_block_core_page_list_build_css_colors( $attributes, $block->context ); |
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$font_sizes = gutenberg_block_core_page_list_build_css_font_sizes( $block->context ); |
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$classes = array_merge( |
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$colors['css_classes'], |
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$font_sizes['css_classes'] |
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); |
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$style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] ); |
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$css_classes = trim( implode( ' ', $classes ) ); |
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|
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$nested_pages = gutenberg_block_core_page_list_nest_pages( $top_level_pages, $pages_with_children ); |
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|
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// Limit the number of items to be visually displayed. |
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if ( ! empty( $attributes['__unstableMaxPages'] ) ) { |
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$nested_pages = array_slice( $nested_pages, 0, $attributes['__unstableMaxPages'] ); |
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} |
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|
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$is_navigation_child = array_key_exists( 'showSubmenuIcon', $block->context ); |
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|
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$open_submenus_on_click = array_key_exists( 'openSubmenusOnClick', $block->context ) ? $block->context['openSubmenusOnClick'] : false; |
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|
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$show_submenu_icons = array_key_exists( 'showSubmenuIcon', $block->context ) ? $block->context['showSubmenuIcon'] : false; |
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|
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$wrapper_markup = '<ul %1$s>%2$s</ul>'; |
| 304 |
|
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$items_markup = gutenberg_block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $active_page_ancestor_ids, $colors ); |
| 306 |
|
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$wrapper_attributes = get_block_wrapper_attributes( |
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array( |
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'class' => $css_classes, |
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'style' => $style_attribute, |
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) |
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); |
| 313 |
|
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return sprintf( |
| 315 |
$wrapper_markup, |
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$wrapper_attributes, |
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$items_markup |
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); |
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} |
| 320 |
|
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/** |
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* Registers the `core/pages` block on server. |
| 323 |
*/ |
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function gutenberg_register_block_core_page_list() { |
| 325 |
register_block_type_from_metadata( |
| 326 |
__DIR__ . '/page-list', |
| 327 |
array( |
| 328 |
'render_callback' => 'gutenberg_render_block_core_page_list', |
| 329 |
) |
| 330 |
); |
| 331 |
} |
| 332 |
add_action( 'init', 'gutenberg_register_block_core_page_list', 20 ); |
| 333 |
|
