JezK
Edit File: walker.php
<?php /** no direct access **/ defined('MECEXEC') or die(); /** * Webnus MEC Walker class. * @author Webnus <info@webnus.biz> */ class MEC_walker extends Walker { public $tree_type = 'category'; public $db_fields = array( 'parent' => 'parent', 'id' => 'term_id', ); public $mec_id = array(); public $mec_include = array(); /** * Constructor method * @param array $params * @author Webnus <info@webnus.biz> */ public function __construct($params = array()) { $this->mec_id = (isset($params['id']) ? $params['id'] : ''); $this->mec_include = (isset($params['include']) ? $params['include'] : array()); } /** * Starts the list before the elements are added. * * @see Walker:start_lvl() * * @since 2.5.1 * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of category. Used for tab indentation. * @param array $args An array of arguments. @see wp_terms_checklist() */ public function start_lvl(&$output, $depth = 0, $args = array()) { $indent = str_repeat("\t", $depth); $output .= "$indent<ul class='children'>\n"; } /** * Ends the list of after the elements are added. * * @see Walker::end_lvl() * * @since 2.5.1 * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of category. Used for tab indentation. * @param array $args An array of arguments. @see wp_terms_checklist() */ public function end_lvl(&$output, $depth = 0, $args = array()) { $indent = str_repeat("\t", $depth); $output .= "$indent</ul>\n"; } /** * Start the element output. * * @see Walker::start_el() * * @since 2.5.1 * * @param string $output Used to append additional content (passed by reference). * @param WP_Term $category The current term object. * @param int $depth Depth of the term in reference to parents. Default 0. * @param array $args An array of arguments. @see wp_terms_checklist() * @param int $id ID of the current term. */ public function start_el(&$output, $category, $depth = 0, $args = array(), $id = 0) { // Term is not Included if(is_array($this->mec_include) and count($this->mec_include) and !in_array($category->term_id, $this->mec_include)) return; if(empty($args['taxonomy'])) $taxonomy = 'category'; else $taxonomy = $args['taxonomy']; if('category' === $taxonomy) $name = 'post_category'; else $name = 'tax_input[' . $taxonomy . ']'; $args['popular_cats'] = !empty($args['popular_cats']) ? array_map('intval', $args['popular_cats']) : array(); $class = in_array($category->term_id, $args['popular_cats'], true) ? ' class="popular-category"' : ''; $args['selected_cats'] = !empty($args['selected_cats']) ? array_map('intval', $args['selected_cats']) : array(); $is_selected = in_array($category->term_id, $args['selected_cats'], true); $is_disabled = !empty($args['disabled']); $output .= "\n<option value='{$category->term_id}' id='{$taxonomy}-{$this->mec_id}-{$category->term_id}'$class>" . esc_html__(apply_filters('the_category', $category->name, '', '')) . '</option>'; } /** * Ends the element output, if needed. * * @see Walker::end_el() * * @since 2.5.1 * * @param string $output Used to append additional content (passed by reference). * @param WP_Term $category The current term object. * @param int $depth Depth of the term in reference to parents. Default 0. * @param array $args An array of arguments. @see wp_terms_checklist() */ public function end_el(&$output, $category, $depth = 0, $args = array()) { $output .= ""; } public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( ! $element ) { return; } $id_field = $this->db_fields['id']; $id = $element->$id_field; // Display this element. $this->has_children = ! empty( $children_elements[ $id ] ); if ( isset( $args[0] ) && is_array( $args[0] ) ) { $args[0]['has_children'] = $this->has_children; // Back-compat. } $this->start_el( $output, $element, $depth, ...array_values( $args ) ); // End this element. $this->end_el( $output, $element, $depth, ...array_values( $args ) ); } public function walk( $elements, $max_depth, ...$args ) { $output = '<select multiple="multiple">'; // Invalid parameter or nothing to walk. if ( $max_depth < -1 || empty( $elements ) ) { return $output; } $parent_field = $this->db_fields['parent']; foreach ( $elements as $e ) { $this->display_element( $e, $empty_array, 1, 0, $args, $output ); } $output .= '</select>'; return $output; } }