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<?php |
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/** |
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* Post breadcrumb item locator |
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* |
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* @package carbon-breadcrumbs |
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*/ |
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/** |
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* Post breadcrumb item locator class. |
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* |
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* Used to locate the breadcrumb items for post types. |
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*/ |
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class Carbon_Breadcrumb_Locator_Post extends Carbon_Breadcrumb_Locator_Hierarchical { |
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/** |
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* Whether this the items of this locator should be included in the trail. |
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* |
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* @access public |
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* |
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* @return bool $is_included Whether the found items should be included. |
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*/ |
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public function is_included() { |
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return is_singular() && get_post_type() === $this->get_subtype(); |
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} |
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/** |
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* Retrieve the items, found by this locator. |
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* |
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* @access public |
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* |
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* @param int $priority The priority of the located items. |
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* @param int $post_id The post ID, used to go up the post type tree. |
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* @return Carbon_Breadcrumb_Item[] $items The items, found by this locator. |
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*/ |
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public function get_items( $priority = 1000, $post_id = 0 ) { |
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// Get the current post ID, if not specified. |
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if ( ! $post_id ) { |
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$post_id = get_the_ID(); |
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} |
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// If this is the front page, skip it, as it is added separately. |
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if ( is_front_page() && get_option( 'page_on_front' ) === $post_id ) { |
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return array(); |
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} |
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// Walk the tree of ancestors of the post up to the top. |
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return $this->get_item_hierarchy( $post_id, $priority ); |
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} |
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/** |
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* Generate a set of breadcrumb items that found by this locator type and any subtype. |
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* Will generate all necessary breadcrumb items of all post types. |
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* |
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* @access public |
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* |
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* @return array $items The items, generated by this locator. |
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*/ |
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public function generate_items() { |
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$post_types = get_post_types( |
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array( |
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'public' => true, |
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) |
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); |
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return $this->generate_items_for_subtypes( $post_types ); |
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} |
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/** |
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* Get the parent ID of a specific post ID |
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* |
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* @access public |
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* |
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* @param int $id The ID of the post to retrieve the parent of. |
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* @return int $parent The parent ID. |
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*/ |
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public function get_parent_id( $id ) { |
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return get_post_field( 'post_parent', $id ); |
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} |
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} |
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tyxla /
carbon-breadcrumbs
