index.php
170 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Kubio\Blocks; |
| 4 | |
| 5 | use Kubio\Core\Blocks\BlockBase; |
| 6 | use Kubio\Core\Registry; |
| 7 | use Kubio\Core\Utils; |
| 8 | |
| 9 | class MenuItemsBlock extends BlockBase { |
| 10 | const BLOCK_NAME = 'kubio/menu-items'; |
| 11 | const PARENT_MENU_ARROW = '<svg class="kubio-menu-item-icon" role="img" viewBox="0 0 320 512">' . |
| 12 | ' <path d="M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z"></path>' . |
| 13 | '</svg>'; |
| 14 | |
| 15 | |
| 16 | private static $instances = array(); |
| 17 | |
| 18 | |
| 19 | public function __construct( $block, $autoload = true ) { |
| 20 | parent::__construct( $block, $autoload ); |
| 21 | } |
| 22 | |
| 23 | public function addParentMenuItemsIcon( $args, $item, $depth ) { |
| 24 | if ( in_array( 'menu-item-has-children', $item->classes, true ) ) { |
| 25 | $args->link_before = '<span>'; |
| 26 | $args->link_after = '</span>' . MenuItemsBlock::PARENT_MENU_ARROW; |
| 27 | } else { |
| 28 | $args->link_before = ''; |
| 29 | $args->link_after = ''; |
| 30 | } |
| 31 | |
| 32 | return $args; |
| 33 | } |
| 34 | |
| 35 | public function fixCSSClasses( $classes, $item, $args, $depth ) { |
| 36 | $next_classes = array_diff( $classes, array( 'current-menu-item', 'current_page_item' ) ); |
| 37 | $url = $item->url; |
| 38 | |
| 39 | if ( preg_replace( '/#(.*)/', '', $url ) !== $url ) { |
| 40 | $classes = $next_classes; |
| 41 | } |
| 42 | |
| 43 | return $classes; |
| 44 | } |
| 45 | |
| 46 | public function mapPropsToElements() { |
| 47 | return array( |
| 48 | 'outer' => array( |
| 49 | 'innerHTML' => $this->renderMenu(), |
| 50 | ), |
| 51 | ); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | public function menuItemsAttrs( $atts, $item, $args, $depth ) { |
| 56 | $style = isset( $atts['style'] ) ? $atts['style'] : ''; |
| 57 | |
| 58 | $depth_value = min( array( $depth, 4 ) ); |
| 59 | |
| 60 | $style .= ";--kubio-menu-item-depth:{$depth_value}"; |
| 61 | |
| 62 | $atts['style'] = $style; |
| 63 | |
| 64 | return $atts; |
| 65 | } |
| 66 | |
| 67 | public function renderMenu() { |
| 68 | |
| 69 | $is_first_level_only = $this->isForcedOnlyFirstLevel(); |
| 70 | |
| 71 | add_filter( 'kubio/nav_menu_link_attributes', array( $this, 'menuItemsAttrs' ), 2, 4 ); |
| 72 | |
| 73 | $location = $this->getAttribute( 'location', '' ); |
| 74 | $id = $this->getAttribute( 'id', '' ); |
| 75 | |
| 76 | $menu = empty( $location ) ? $id : $location; |
| 77 | // Try to use a cached output for Menu Items based on this key. |
| 78 | $instance_key = $menu . '-' . ( $is_first_level_only ? 'first_level' : 'full' ); |
| 79 | |
| 80 | if ( isset( static::$instances[ $instance_key ] ) ) { |
| 81 | return static::$instances[ $instance_key ]; |
| 82 | } |
| 83 | |
| 84 | if ( ! $this->isForcedOnlyFirstLevel() ) { |
| 85 | add_filter( 'kubio/nav_menu_item_args', array( $this, 'addParentMenuItemsIcon' ), 2, 3 ); |
| 86 | add_filter( 'kubio/nav_menu_css_class', array( $this, 'fixCSSClasses' ), 2, 4 ); |
| 87 | } |
| 88 | |
| 89 | if ( ! class_exists( 'Kubio_Nav_Menu_Walker' ) ) { |
| 90 | require_once KUBIO_ROOT_DIR . '/lib/menu/class-kubio-menu-wallker.php'; |
| 91 | } |
| 92 | |
| 93 | $args = array( |
| 94 | 'container' => false, |
| 95 | 'depth' => $is_first_level_only ? 1 : 0, |
| 96 | 'echo' => false, |
| 97 | 'fallback_cb' => array( $this, 'fallback' ), |
| 98 | 'menu_class' => 'menu kubio-has-gap-fallback', |
| 99 | 'walker' => new \Kubio_Nav_Menu_Walker(), |
| 100 | ); |
| 101 | |
| 102 | if ( $location ) { |
| 103 | $args['theme_location'] = $location; |
| 104 | } |
| 105 | |
| 106 | if ( $menu ) { |
| 107 | $args['menu'] = $menu; |
| 108 | } |
| 109 | |
| 110 | // add a dummy location when the many has nothing assigned to it so we can trigger the fallback |
| 111 | if ( empty( $location ) && empty( $id ) ) { |
| 112 | $args['theme_location'] = uniqid( 'kubio-dummy-location-' ); |
| 113 | } |
| 114 | |
| 115 | // because has_filter returns a number when the filter is added we strictly check for false |
| 116 | $has_wc_page_endpoint_title = false !== has_filter( 'the_title', 'wc_page_endpoint_title' ); |
| 117 | |
| 118 | if ( $has_wc_page_endpoint_title ) { |
| 119 | remove_filter( 'the_title', 'wc_page_endpoint_title' ); |
| 120 | } |
| 121 | |
| 122 | $menu_content = wp_nav_menu( $args ); |
| 123 | if ( ! $this->isForcedOnlyFirstLevel() ) { |
| 124 | remove_filter( 'kubio/nav_menu_item_args', array( $this, 'addParentMenuItemsIcon' ), 2 ); |
| 125 | remove_filter( 'kubio/nav_menu_css_class', array( $this, 'fixCSSClasses' ), 2 ); |
| 126 | } |
| 127 | |
| 128 | remove_filter( 'kubio/nav_menu_link_attributes', array( $this, 'menuItemsAttrs' ), 2, 4 ); |
| 129 | remove_filter( 'the_title', 'wc_page_endpoint_title' ); |
| 130 | |
| 131 | if ( $has_wc_page_endpoint_title ) { |
| 132 | add_filter( 'the_title', 'wc_page_endpoint_title' ); |
| 133 | } |
| 134 | |
| 135 | static::$instances[ $instance_key ] = $menu_content; |
| 136 | |
| 137 | return $menu_content; |
| 138 | } |
| 139 | |
| 140 | public function fallback() { |
| 141 | if ( is_user_logged_in() ) { |
| 142 | return Utils::getFrontendPlaceHolder( |
| 143 | sprintf( |
| 144 | '%s<br/><div class="kubio-frontent-placeholder--small">%s</div>', |
| 145 | __( 'This block has no menu assigned.', 'kubio' ), |
| 146 | __( 'Edit this page to select a menu or delete this block.', 'kubio' ) |
| 147 | ) |
| 148 | ); |
| 149 | } else { |
| 150 | return ''; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | private function isForcedOnlyFirstLevel() { |
| 155 | $menu_block = Registry::getInstance()->getLastBlockOfName( DropDownMenuBlock::BLOCK_NAME ); |
| 156 | |
| 157 | if ( ! $menu_block ) { |
| 158 | $menu_block = Registry::getInstance()->getLastBlockOfName( AccordionMenuBlock::BLOCK_NAME ); |
| 159 | } |
| 160 | |
| 161 | return $menu_block->getAttribute( 'hideSubmenu', false ); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | |
| 166 | Registry::registerBlock( |
| 167 | __DIR__, |
| 168 | MenuItemsBlock::class |
| 169 | ); |
| 170 |