134 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| if ( ! defined( 'ABSPATH' ) ) {
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| 	exit; // Exit if accessed directly
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| }
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| 
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| if ( ! class_exists( 'ACF_Taxonomy_Field_Walker' ) ) :
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| 
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| 	class ACF_Taxonomy_Field_Walker extends Walker {
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| 
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| 		/**
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| 		 * What the class handles.
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| 		 *
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| 		 * @since 2.1.0
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| 		 * @var string
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| 		 */
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| 		public $tree_type = 'category';
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| 
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| 		/**
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| 		 * DB fields to use.
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| 		 *
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| 		 * @since 2.1.0
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| 		 * @var array
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| 		 */
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| 		public $db_fields = array(
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| 			'parent' => 'parent',
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| 			'id'     => 'term_id',
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| 		);
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| 
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| 		/**
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| 		 * The field being rendered.
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| 		 *
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| 		 * @since 1.0.0
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| 		 * @var array
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| 		 */
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| 		public $field;
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| 
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| 		/**
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| 		 * Constructor
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| 		 *
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| 		 * @date    20/4/21
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| 		 * @since   1.0.0
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| 		 *
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| 		 * @param   array $field The field being rendered.
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| 		 * @return  void
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| 		 */
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| 		function __construct( $field ) {
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| 			$this->field = $field;
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| 		}
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| 
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| 		/**
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| 		 * Starts the list before the elements are added.
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| 		 *
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| 		 * @see Walker:start_lvl()
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| 		 *
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| 		 * @since 1.0.0
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| 		 *
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| 		 * @param string $output Used to append additional content (passed by reference).
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| 		 * @param int    $depth  Depth of category. Used for tab indentation.
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| 		 * @param array  $args   An array of arguments. @see wp_terms_checklist()
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| 		 */
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| 		public function start_lvl( &$output, $depth = 0, $args = array() ) {
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| 			$indent  = str_repeat( "\t", $depth );
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| 			$output .= "$indent<ul class='children acf-bl'>\n";
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| 		}
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| 
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| 		/**
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| 		 * Ends the list of after the elements are added.
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| 		 *
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| 		 * @see Walker::end_lvl()
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| 		 *
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| 		 * @since 1.0.0
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| 		 *
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| 		 * @param string $output Used to append additional content (passed by reference).
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| 		 * @param int    $depth  Depth of category. Used for tab indentation.
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| 		 * @param array  $args   An array of arguments. @see wp_terms_checklist()
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| 		 */
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| 		public function end_lvl( &$output, $depth = 0, $args = array() ) {
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| 			$indent  = str_repeat( "\t", $depth );
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| 			$output .= "$indent</ul>\n";
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| 		}
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| 
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| 		/**
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| 		 * Start the element output.
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| 		 *
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| 		 * @see Walker::start_el()
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| 		 *
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| 		 * @since 1.0.0
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| 		 *
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| 		 * @param string  $output   Used to append additional content (passed by reference).
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| 		 * @param WP_Term $term     The current term object.
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| 		 * @param int     $depth    Depth of the term in reference to parents. Default 0.
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| 		 * @param array   $args     An array of arguments. @see wp_terms_checklist()
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| 		 * @param int     $id       ID of the current term.
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| 		 */
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| 		public function start_el( &$output, $term, $depth = 0, $args = array(), $id = 0 ) {
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| 			$is_selected = in_array( $term->term_id, $this->field['value'] );
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| 
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| 			// Generate array of checkbox input attributes.
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| 			$input_attrs = array(
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| 				'type'  => $this->field['field_type'],
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| 				'name'  => $this->field['name'],
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| 				'value' => $term->term_id,
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| 			);
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| 			if ( $is_selected ) {
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| 				$input_attrs['checked'] = true;
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| 			}
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| 
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| 			$output .= "\n" . '<li data-id="' . esc_attr( $term->term_id ) . '">' .
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| 			'<label' . ( $is_selected ? ' class="selected"' : '' ) . '>' .
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| 				'<input ' . acf_esc_attrs( $input_attrs ) . '/> ' .
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| 				'<span>' . acf_esc_html( $term->name ) . '</span>' .
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| 			'</label>';
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| 		}
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| 
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| 		/**
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| 		 * Ends the element output, if needed.
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| 		 *
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| 		 * @see Walker::end_el()
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| 		 *
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| 		 * @since 1.0.0
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| 		 *
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| 		 * @param string  $output   Used to append additional content (passed by reference).
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| 		 * @param WP_Term $category The current term object.
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| 		 * @param int     $depth    Depth of the term in reference to parents. Default 0.
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| 		 * @param array   $args     An array of arguments. @see wp_terms_checklist()
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| 		 */
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| 		public function end_el( &$output, $category, $depth = 0, $args = array() ) {
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| 			$output .= "</li>\n";
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| 		}
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| 	}
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| 
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| endif;
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