angelovcom.net

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs

class-walker-category-checklist.php (4389B)

      1 <?php
      2 /**
      3  * Taxonomy API: Walker_Category_Checklist class
      4  *
      5  * @package WordPress
      6  * @subpackage Administration
      7  * @since 4.4.0
      8  */
      9 
     10 /**
     11  * Core walker class to output an unordered list of category checkbox input elements.
     12  *
     13  * @since 2.5.1
     14  *
     15  * @see Walker
     16  * @see wp_category_checklist()
     17  * @see wp_terms_checklist()
     18  */
     19 class Walker_Category_Checklist extends Walker {
     20 	public $tree_type = 'category';
     21 	public $db_fields = array(
     22 		'parent' => 'parent',
     23 		'id'     => 'term_id',
     24 	); // TODO: Decouple this.
     25 
     26 	/**
     27 	 * Starts the list before the elements are added.
     28 	 *
     29 	 * @see Walker:start_lvl()
     30 	 *
     31 	 * @since 2.5.1
     32 	 *
     33 	 * @param string $output Used to append additional content (passed by reference).
     34 	 * @param int    $depth  Depth of category. Used for tab indentation.
     35 	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
     36 	 */
     37 	public function start_lvl( &$output, $depth = 0, $args = array() ) {
     38 		$indent  = str_repeat( "\t", $depth );
     39 		$output .= "$indent<ul class='children'>\n";
     40 	}
     41 
     42 	/**
     43 	 * Ends the list of after the elements are added.
     44 	 *
     45 	 * @see Walker::end_lvl()
     46 	 *
     47 	 * @since 2.5.1
     48 	 *
     49 	 * @param string $output Used to append additional content (passed by reference).
     50 	 * @param int    $depth  Depth of category. Used for tab indentation.
     51 	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
     52 	 */
     53 	public function end_lvl( &$output, $depth = 0, $args = array() ) {
     54 		$indent  = str_repeat( "\t", $depth );
     55 		$output .= "$indent</ul>\n";
     56 	}
     57 
     58 	/**
     59 	 * Start the element output.
     60 	 *
     61 	 * @see Walker::start_el()
     62 	 *
     63 	 * @since 2.5.1
     64 	 *
     65 	 * @param string  $output   Used to append additional content (passed by reference).
     66 	 * @param WP_Term $category The current term object.
     67 	 * @param int     $depth    Depth of the term in reference to parents. Default 0.
     68 	 * @param array   $args     An array of arguments. @see wp_terms_checklist()
     69 	 * @param int     $id       ID of the current term.
     70 	 */
     71 	public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
     72 		if ( empty( $args['taxonomy'] ) ) {
     73 			$taxonomy = 'category';
     74 		} else {
     75 			$taxonomy = $args['taxonomy'];
     76 		}
     77 
     78 		if ( 'category' === $taxonomy ) {
     79 			$name = 'post_category';
     80 		} else {
     81 			$name = 'tax_input[' . $taxonomy . ']';
     82 		}
     83 
     84 		$args['popular_cats'] = ! empty( $args['popular_cats'] ) ? array_map( 'intval', $args['popular_cats'] ) : array();
     85 
     86 		$class = in_array( $category->term_id, $args['popular_cats'], true ) ? ' class="popular-category"' : '';
     87 
     88 		$args['selected_cats'] = ! empty( $args['selected_cats'] ) ? array_map( 'intval', $args['selected_cats'] ) : array();
     89 
     90 		if ( ! empty( $args['list_only'] ) ) {
     91 			$aria_checked = 'false';
     92 			$inner_class  = 'category';
     93 
     94 			if ( in_array( $category->term_id, $args['selected_cats'], true ) ) {
     95 				$inner_class .= ' selected';
     96 				$aria_checked = 'true';
     97 			}
     98 
     99 			$output .= "\n" . '<li' . $class . '>' .
    100 				'<div class="' . $inner_class . '" data-term-id=' . $category->term_id .
    101 				' tabindex="0" role="checkbox" aria-checked="' . $aria_checked . '">' .
    102 				/** This filter is documented in wp-includes/category-template.php */
    103 				esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</div>';
    104 		} else {
    105 			$is_selected = in_array( $category->term_id, $args['selected_cats'], true );
    106 			$is_disabled = ! empty( $args['disabled'] );
    107 
    108 			$output .= "\n<li id='{$taxonomy}-{$category->term_id}'$class>" .
    109 				'<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="' . $name . '[]" id="in-' . $taxonomy . '-' . $category->term_id . '"' .
    110 				checked( $is_selected, true, false ) .
    111 				disabled( $is_disabled, true, false ) . ' /> ' .
    112 				/** This filter is documented in wp-includes/category-template.php */
    113 				esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</label>';
    114 		}
    115 	}
    116 
    117 	/**
    118 	 * Ends the element output, if needed.
    119 	 *
    120 	 * @see Walker::end_el()
    121 	 *
    122 	 * @since 2.5.1
    123 	 *
    124 	 * @param string  $output   Used to append additional content (passed by reference).
    125 	 * @param WP_Term $category The current term object.
    126 	 * @param int     $depth    Depth of the term in reference to parents. Default 0.
    127 	 * @param array   $args     An array of arguments. @see wp_terms_checklist()
    128 	 */
    129 	public function end_el( &$output, $category, $depth = 0, $args = array() ) {
    130 		$output .= "</li>\n";
    131 	}
    132 }