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<?php |
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class TimberMenuItem extends TimberCore implements TimberCoreInterface { |
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public $children; |
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public $has_child_class = false; |
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public $classes = array(); |
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public $class = ''; |
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public $level = 0; |
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public $post_name; |
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public $type; |
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public $url; |
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public $PostClass = 'TimberPost'; |
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protected $_name; |
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protected $_menu_item_object_id; |
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protected $_menu_item_url; |
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protected $menu_object; |
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protected $master_object; |
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/** |
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* |
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* |
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* @param array|object $data |
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*/ |
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public function __construct( $data ) { |
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$data = (object) $data; |
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$this->import( $data ); |
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$this->import_classes( $data ); |
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if ( isset( $this->name ) ) { |
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$this->_name = $this->name; |
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} |
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$this->name = $this->name(); |
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$this->add_class( 'menu-item-' . $this->ID ); |
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$this->menu_object = $data; |
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} |
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/** |
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* @return string the label for the menu item |
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*/ |
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public function __toString() { |
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return $this->name(); |
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} |
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/** |
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* add a class the menu item should have |
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* @param string $class_name to be added |
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*/ |
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public function add_class( $class_name ) { |
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$this->classes[] = $class_name; |
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$this->class .= ' ' . $class_name; |
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} |
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/** |
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* The label for the menu item |
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* @api |
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* @return string |
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*/ |
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public function name() { |
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if ( $title = $this->title() ) { |
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return $title; |
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} |
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if ( isset( $this->_name ) ) { |
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return $this->_name; |
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} |
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return ''; |
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} |
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/** |
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* The slug for the menu item |
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* @api |
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* @example |
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* ```twig |
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* <ul> |
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* {% for item in menu.items %} |
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* <li class="{{item.slug}}"> |
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* <a href="{{item.link}}">{{item.name}}</a> |
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* </li> |
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* {% endfor %} |
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* </ul> |
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* @return string the slug of the menu item kinda-like-this |
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*/ |
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public function slug() { |
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if ( !isset( $this->master_object ) ) { |
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$this->master_object = $this->get_master_object(); |
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} |
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if ( isset( $this->master_object->post_name ) && $this->master_object->post_name ) { |
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return $this->master_object->post_name; |
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} |
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return $this->post_name; |
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} |
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/** |
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* @internal |
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* @return mixed whatever object (Post, Term, etc.) the menu item represents |
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*/ |
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protected function get_master_object() { |
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if ( isset( $this->_menu_item_object_id ) ) { |
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return new $this->PostClass( $this->_menu_item_object_id ); |
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} |
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} |
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/** |
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* @internal |
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* @see TimberMenuItem::link |
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* @return string an absolute URL http://example.org/my-page |
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*/ |
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function get_link() { |
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if ( !isset( $this->url ) || !$this->url ) { |
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if ( isset( $this->_menu_item_type ) && $this->_menu_item_type == 'custom' ) { |
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$this->url = $this->_menu_item_url; |
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} else if ( isset( $this->menu_object ) && method_exists( $this->menu_object, 'get_link' ) ) { |
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$this->url = $this->menu_object->get_link(); |
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} |
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} |
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return $this->url; |
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} |
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/** |
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* @internal |
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* @see TimberMenuItem::path() |
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* @return string a relative url /my-page |
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*/ |
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function get_path() { |
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return TimberURLHelper::get_rel_url( $this->get_link() ); |
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} |
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/** |
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* |
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* |
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* @param TimberMenuItem $item |
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*/ |
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function add_child( $item ) { |
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if ( !$this->has_child_class ) { |
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$this->add_class( 'menu-item-has-children' ); |
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$this->has_child_class = true; |
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} |
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if ( !isset( $this->children ) ) { |
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$this->children = array(); |
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} |
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$this->children[] = $item; |
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$item->level = $this->level + 1; |
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if ($item->children) { |
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$this->update_child_levels(); |
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} |
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} |
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/** |
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* |
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* @internal |
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* @return bool |
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*/ |
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function update_child_levels() { |
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if (is_array($this->children)) { |
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foreach( $this->children as $child ) { |
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$child->level = $this->level + 1; |
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$child->update_child_levels(); |
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} |
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return true; |
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} |
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} |
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/** |
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* Imports the classes to be used in CSS |
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* @internal |
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* @param array|object $data |
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*/ |
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function import_classes( $data ) { |
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if ( is_array($data) ) { |
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$data = (object) $data; |
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} |
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$this->classes = array_merge( $this->classes, $data->classes ); |
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$this->classes = array_unique( $this->classes ); |
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$this->classes = apply_filters( 'nav_menu_css_class', $this->classes, $this ); |
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$this->class = trim( implode( ' ', $this->classes ) ); |
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} |
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/** |
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* |
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* @internal |
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* @return array|bool |
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*/ |
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function get_children() { |
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if ( isset( $this->children ) ) { |
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return $this->children; |
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} |
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return false; |
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} |
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/** |
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* Checks to see if the menu item is an external link so if my site is `example.org`, `google.com/whatever` is an external link. Helpful when creating rules for the target of a link |
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* @api |
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* @example |
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* ```twig |
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* <a href="{{ item.link }}" target="{{ item.is_external ? '_blank' : '_self' }}"> |
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* ``` |
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* @return bool |
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*/ |
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function is_external() { |
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if ( $this->type != 'custom' ) { |
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return false; |
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} |
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return TimberURLHelper::is_external( $this->url ); |
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} |
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/** |
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* @param string $key lookup key |
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* @return mixed whatever value is storied in the database |
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*/ |
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public function meta( $key ) { |
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if ( is_object( $this->menu_object ) && method_exists( $this->menu_object, 'meta' ) ) { |
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return $this->menu_object->meta( $key ); |
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} |
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if ( isset( $this->$key ) ) { |
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return $this->$key; |
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} |
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} |
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/* Aliases */ |
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/** |
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* Get the child [TimberMenuItems](#TimberMenuItem)s of a [TimberMenuItem](#TimberMenuItem) |
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* @api |
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* @return array|bool |
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*/ |
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public function children() { |
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return $this->get_children(); |
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} |
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/** |
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* Checks to see if a link is external, helpful when creating rules for the target of a link |
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* @see TimberMenuItem::is_external |
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* @return bool |
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*/ |
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public function external() { |
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return $this->is_external(); |
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} |
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/** |
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* Get the full link to a Menu Item |
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* @api |
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* @example |
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* ```twig |
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* {% for item in menu.items %} |
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* <li><a href="{{ item.link }}">{{ item.title }}</a></li> |
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* {% endfor %} |
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* ``` |
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* @return string a full URL like http://mysite.com/thing/ |
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*/ |
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public function link() { |
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return $this->get_link(); |
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} |
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/** |
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* Return the relative path of a Menu Item's link |
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* @example |
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* ```twig |
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* {% for item in menu.items %} |
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* <li><a href="{{ item.path }}">{{ item.title }}</a></li> |
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* {% endfor %} |
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* ``` |
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* @see get_path() |
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* @return string the path of a URL like /foo |
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*/ |
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public function path() { |
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return $this->get_path(); |
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} |
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/** |
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* Gets the link a menu item points at |
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* @internal |
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* @deprecated since 0.21.7 use link instead |
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* @see link() |
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* @return string a full URL like http://mysite.com/thing/ |
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*/ |
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public function permalink() { |
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return $this->get_link(); |
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} |
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/** |
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* @internal |
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* @deprecated since 0.21.7, use link instead |
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* @see link() |
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* @return string a full URL like http://mysite.com/thing/ |
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*/ |
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public function get_permalink() { |
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return $this->get_link(); |
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} |
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/** |
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* Gets the public label for the menu item |
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* @example |
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* ```twig |
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* {% for item in menu.items %} |
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* <li><a href="{{ item.link }}">{{ item.title }}</a></li> |
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* {% endfor %} |
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* ``` |
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* @return string the public label like Foo |
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*/ |
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public function title() { |
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if ( isset( $this->__title ) ) { |
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return $this->__title; |
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} |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: