949 lines
18 KiB
PHP
949 lines
18 KiB
PHP
<?php
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/*
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* ACF Relationship Field Class
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*
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* All the logic for this field type
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*
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* @class acf_field_relationship
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* @extends acf_field
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* @package ACF
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* @subpackage Fields
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*/
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if( ! class_exists('acf_field_relationship') ) :
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class acf_field_relationship extends acf_field {
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/*
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* __construct
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function __construct() {
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// vars
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$this->name = 'relationship';
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$this->label = __("Relationship",'acf');
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$this->category = 'relational';
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$this->defaults = array(
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'post_type' => array(),
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'taxonomy' => array(),
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'min' => 0,
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'max' => 0,
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'filters' => array('search', 'post_type', 'taxonomy'),
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'elements' => array(),
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'return_format' => 'object'
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);
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$this->l10n = array(
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'min' => __("Minimum values reached ( {min} values )",'acf'),
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'max' => __("Maximum values reached ( {max} values )",'acf'),
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'loading' => __('Loading','acf'),
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'empty' => __('No matches found','acf'),
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);
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// extra
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add_action('wp_ajax_acf/fields/relationship/query', array($this, 'ajax_query'));
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add_action('wp_ajax_nopriv_acf/fields/relationship/query', array($this, 'ajax_query'));
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// do not delete!
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parent::__construct();
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}
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/*
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* ajax_query
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*
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* description
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*
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* @type function
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* @date 24/10/13
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function ajax_query() {
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// validate
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if( !acf_verify_ajax() ) die();
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// get choices
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$response = $this->get_ajax_query( $_POST );
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// return
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acf_send_ajax_results($response);
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}
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/*
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* get_ajax_query
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*
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* This function will return an array of data formatted for use in a select2 AJAX response
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*
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* @type function
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* @date 15/10/2014
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* @since 5.0.9
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*
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* @param $options (array)
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* @return (array)
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*/
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function get_ajax_query( $options = array() ) {
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// defaults
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$options = acf_parse_args($options, array(
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'post_id' => 0,
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's' => '',
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'field_key' => '',
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'paged' => 1,
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'post_type' => '',
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'taxonomy' => ''
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));
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// load field
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$field = acf_get_field( $options['field_key'] );
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if( !$field ) return false;
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// vars
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$results = array();
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$args = array();
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$s = false;
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$is_search = false;
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// paged
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$args['posts_per_page'] = 20;
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$args['paged'] = $options['paged'];
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// search
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if( $options['s'] !== '' ) {
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// strip slashes (search may be integer)
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$s = wp_unslash( strval($options['s']) );
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// update vars
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$args['s'] = $s;
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$is_search = true;
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}
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// post_type
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if( !empty($options['post_type']) ) {
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$args['post_type'] = acf_get_array( $options['post_type'] );
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} elseif( !empty($field['post_type']) ) {
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$args['post_type'] = acf_get_array( $field['post_type'] );
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} else {
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$args['post_type'] = acf_get_post_types();
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}
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// taxonomy
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if( !empty($options['taxonomy']) ) {
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// vars
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$term = acf_decode_taxonomy_term($options['taxonomy']);
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// tax query
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$args['tax_query'] = array();
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// append
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$args['tax_query'][] = array(
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'taxonomy' => $term['taxonomy'],
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'field' => 'slug',
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'terms' => $term['term'],
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);
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} elseif( !empty($field['taxonomy']) ) {
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// vars
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$terms = acf_decode_taxonomy_terms( $field['taxonomy'] );
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// append to $args
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$args['tax_query'] = array();
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// now create the tax queries
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foreach( $terms as $k => $v ) {
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$args['tax_query'][] = array(
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'taxonomy' => $k,
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'field' => 'slug',
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'terms' => $v,
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);
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}
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}
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// filters
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$args = apply_filters('acf/fields/relationship/query', $args, $field, $options['post_id']);
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$args = apply_filters('acf/fields/relationship/query/name=' . $field['name'], $args, $field, $options['post_id'] );
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$args = apply_filters('acf/fields/relationship/query/key=' . $field['key'], $args, $field, $options['post_id'] );
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// get posts grouped by post type
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$groups = acf_get_grouped_posts( $args );
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// bail early if no posts
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if( empty($groups) ) return false;
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// loop
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foreach( array_keys($groups) as $group_title ) {
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// vars
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$posts = acf_extract_var( $groups, $group_title );
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// data
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$data = array(
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'text' => $group_title,
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'children' => array()
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);
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// convert post objects to post titles
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foreach( array_keys($posts) as $post_id ) {
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$posts[ $post_id ] = $this->get_post_title( $posts[ $post_id ], $field, $options['post_id'] );
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}
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// order posts by search
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if( $is_search && empty($args['orderby']) ) {
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$posts = acf_order_by_search( $posts, $args['s'] );
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}
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// append to $data
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foreach( array_keys($posts) as $post_id ) {
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$data['children'][] = $this->get_post_result( $post_id, $posts[ $post_id ]);
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}
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// append to $results
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$results[] = $data;
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}
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// add as optgroup or results
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if( count($args['post_type']) == 1 ) {
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$results = $results[0]['children'];
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}
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// vars
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$response = array(
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'results' => $results,
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'limit' => $args['posts_per_page']
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);
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// return
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return $response;
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}
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/*
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* get_post_result
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*
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* This function will return an array containing id, text and maybe description data
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*
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* @type function
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* @date 7/07/2016
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* @since 5.4.0
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*
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* @param $id (mixed)
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* @param $text (string)
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* @return (array)
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*/
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function get_post_result( $id, $text ) {
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// vars
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$result = array(
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'id' => $id,
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'text' => $text
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);
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// return
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return $result;
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}
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/*
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* get_post_title
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*
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* This function returns the HTML for a result
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*
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* @type function
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* @date 1/11/2013
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* @since 5.0.0
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*
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* @param $post (object)
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* @param $field (array)
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* @param $post_id (int) the post_id to which this value is saved to
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* @return (string)
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*/
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function get_post_title( $post, $field, $post_id = 0, $is_search = 0 ) {
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// get post_id
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if( !$post_id ) $post_id = acf_get_form_data('post_id');
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// vars
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$title = acf_get_post_title( $post, $is_search );
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// featured_image
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if( acf_in_array('featured_image', $field['elements']) ) {
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// vars
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$class = 'thumbnail';
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$thumbnail = acf_get_post_thumbnail($post->ID, array(17, 17));
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// icon
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if( $thumbnail['type'] == 'icon' ) {
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$class .= ' -' . $thumbnail['type'];
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}
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// append
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$title = '<div class="' . $class . '">' . $thumbnail['html'] . '</div>' . $title;
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}
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// filters
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$title = apply_filters('acf/fields/relationship/result', $title, $post, $field, $post_id);
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$title = apply_filters('acf/fields/relationship/result/name=' . $field['_name'], $title, $post, $field, $post_id);
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$title = apply_filters('acf/fields/relationship/result/key=' . $field['key'], $title, $post, $field, $post_id);
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// return
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return $title;
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field - an array holding all the field's data
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*/
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function render_field( $field ) {
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// vars
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$values = array();
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$atts = array(
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'id' => $field['id'],
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'class' => "acf-relationship {$field['class']}",
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'data-min' => $field['min'],
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'data-max' => $field['max'],
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'data-s' => '',
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'data-post_type' => '',
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'data-taxonomy' => '',
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'data-paged' => 1,
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);
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// Lang
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if( defined('ICL_LANGUAGE_CODE') ) {
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$atts['data-lang'] = ICL_LANGUAGE_CODE;
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}
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// data types
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$field['post_type'] = acf_get_array( $field['post_type'] );
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$field['taxonomy'] = acf_get_array( $field['taxonomy'] );
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// width for select filters
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$width = array(
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'search' => 0,
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'post_type' => 0,
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'taxonomy' => 0
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);
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if( !empty($field['filters']) ) {
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$width = array(
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'search' => 50,
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'post_type' => 25,
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'taxonomy' => 25
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);
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foreach( array_keys($width) as $k ) {
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if( ! in_array($k, $field['filters']) ) {
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$width[ $k ] = 0;
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}
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}
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// search
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if( $width['search'] == 0 ) {
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$width['post_type'] = ( $width['post_type'] == 0 ) ? 0 : 50;
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$width['taxonomy'] = ( $width['taxonomy'] == 0 ) ? 0 : 50;
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}
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// post_type
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if( $width['post_type'] == 0 ) {
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$width['taxonomy'] = ( $width['taxonomy'] == 0 ) ? 0 : 50;
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}
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// taxonomy
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if( $width['taxonomy'] == 0 ) {
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$width['post_type'] = ( $width['post_type'] == 0 ) ? 0 : 50;
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}
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// search
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if( $width['post_type'] == 0 && $width['taxonomy'] == 0 ) {
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$width['search'] = ( $width['search'] == 0 ) ? 0 : 100;
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}
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}
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// post type filter
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$post_types = array();
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if( $width['post_type'] ) {
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if( !empty($field['post_type']) ) {
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$post_types = $field['post_type'];
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} else {
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$post_types = acf_get_post_types();
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}
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$post_types = acf_get_pretty_post_types($post_types);
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}
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// taxonomy filter
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$taxonomies = array();
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$term_groups = array();
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if( $width['taxonomy'] ) {
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// taxonomies
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if( !empty($field['taxonomy']) ) {
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// get the field's terms
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$term_groups = acf_get_array( $field['taxonomy'] );
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$term_groups = acf_decode_taxonomy_terms( $term_groups );
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// update taxonomies
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$taxonomies = array_keys($term_groups);
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} elseif( !empty($field['post_type']) ) {
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// loop over post types and find connected taxonomies
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foreach( $field['post_type'] as $post_type ) {
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$post_taxonomies = get_object_taxonomies( $post_type );
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// bail early if no taxonomies
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if( empty($post_taxonomies) ) {
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continue;
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}
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foreach( $post_taxonomies as $post_taxonomy ) {
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if( !in_array($post_taxonomy, $taxonomies) ) {
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$taxonomies[] = $post_taxonomy;
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}
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}
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}
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} else {
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$taxonomies = acf_get_taxonomies();
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}
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// terms
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$term_groups = acf_get_taxonomy_terms( $taxonomies );
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// update $term_groups with specific terms
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if( !empty($field['taxonomy']) ) {
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foreach( array_keys($term_groups) as $taxonomy ) {
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foreach( array_keys($term_groups[ $taxonomy ]) as $term ) {
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if( ! in_array($term, $field['taxonomy']) ) {
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unset($term_groups[ $taxonomy ][ $term ]);
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}
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}
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}
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}
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}
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// end taxonomy filter
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?>
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<div <?php acf_esc_attr_e($atts); ?>>
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<div class="acf-hidden">
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<input type="hidden" name="<?php echo $field['name']; ?>" value="" />
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</div>
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<?php if( $width['search'] || $width['post_type'] || $width['taxonomy'] ): ?>
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<div class="filters">
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<ul class="acf-hl">
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<?php if( $width['search'] ): ?>
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<li style="width:<?php echo $width['search']; ?>%;">
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<div class="inner">
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<input class="filter" data-filter="s" placeholder="<?php _e("Search...",'acf'); ?>" type="text" />
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</div>
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</li>
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<?php endif; ?>
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<?php if( $width['post_type'] ): ?>
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<li style="width:<?php echo $width['post_type']; ?>%;">
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<div class="inner">
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<select class="filter" data-filter="post_type">
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<option value=""><?php _e('Select post type','acf'); ?></option>
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<?php foreach( $post_types as $k => $v ): ?>
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<option value="<?php echo $k; ?>"><?php echo $v; ?></option>
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<?php endforeach; ?>
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</select>
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</div>
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</li>
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<?php endif; ?>
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<?php if( $width['taxonomy'] ): ?>
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<li style="width:<?php echo $width['taxonomy']; ?>%;">
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<div class="inner">
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<select class="filter" data-filter="taxonomy">
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<option value=""><?php _e('Select taxonomy','acf'); ?></option>
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<?php foreach( $term_groups as $k_opt => $v_opt ): ?>
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<optgroup label="<?php echo $k_opt; ?>">
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<?php foreach( $v_opt as $k => $v ): ?>
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<option value="<?php echo $k; ?>"><?php echo $v; ?></option>
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<?php endforeach; ?>
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</optgroup>
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<?php endforeach; ?>
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</select>
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</div>
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</li>
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<?php endif; ?>
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</ul>
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</div>
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<?php endif; ?>
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<div class="selection acf-cf">
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<div class="choices">
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<ul class="acf-bl list"></ul>
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</div>
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<div class="values">
|
|
|
|
<ul class="acf-bl list">
|
|
|
|
<?php if( !empty($field['value']) ):
|
|
|
|
// get posts
|
|
$posts = acf_get_posts(array(
|
|
'post__in' => $field['value'],
|
|
'post_type' => $field['post_type']
|
|
));
|
|
|
|
|
|
// set choices
|
|
if( !empty($posts) ):
|
|
|
|
foreach( array_keys($posts) as $i ):
|
|
|
|
// vars
|
|
$post = acf_extract_var( $posts, $i );
|
|
|
|
|
|
?><li>
|
|
<input type="hidden" name="<?php echo $field['name']; ?>[]" value="<?php echo $post->ID; ?>" />
|
|
<span data-id="<?php echo $post->ID; ?>" class="acf-rel-item">
|
|
<?php echo $this->get_post_title( $post, $field ); ?>
|
|
<a href="#" class="acf-icon -minus small dark" data-name="remove_item"></a>
|
|
</span>
|
|
</li><?php
|
|
|
|
endforeach;
|
|
|
|
endif;
|
|
|
|
endif; ?>
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
</div>
|
|
|
|
</div>
|
|
|
|
</div>
|
|
<?php
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* render_field_settings()
|
|
*
|
|
* Create extra options for your field. This is rendered when editing a field.
|
|
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
|
|
*
|
|
* @type action
|
|
* @since 3.6
|
|
* @date 23/01/13
|
|
*
|
|
* @param $field - an array holding all the field's data
|
|
*/
|
|
|
|
function render_field_settings( $field ) {
|
|
|
|
// vars
|
|
$field['min'] = empty($field['min']) ? '' : $field['min'];
|
|
$field['max'] = empty($field['max']) ? '' : $field['max'];
|
|
|
|
|
|
// post_type
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Filter by Post Type','acf'),
|
|
'instructions' => '',
|
|
'type' => 'select',
|
|
'name' => 'post_type',
|
|
'choices' => acf_get_pretty_post_types(),
|
|
'multiple' => 1,
|
|
'ui' => 1,
|
|
'allow_null' => 1,
|
|
'placeholder' => __("All post types",'acf'),
|
|
));
|
|
|
|
|
|
// taxonomy
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Filter by Taxonomy','acf'),
|
|
'instructions' => '',
|
|
'type' => 'select',
|
|
'name' => 'taxonomy',
|
|
'choices' => acf_get_taxonomy_terms(),
|
|
'multiple' => 1,
|
|
'ui' => 1,
|
|
'allow_null' => 1,
|
|
'placeholder' => __("All taxonomies",'acf'),
|
|
));
|
|
|
|
|
|
// filters
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Filters','acf'),
|
|
'instructions' => '',
|
|
'type' => 'checkbox',
|
|
'name' => 'filters',
|
|
'choices' => array(
|
|
'search' => __("Search",'acf'),
|
|
'post_type' => __("Post Type",'acf'),
|
|
'taxonomy' => __("Taxonomy",'acf'),
|
|
),
|
|
));
|
|
|
|
|
|
// filters
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Elements','acf'),
|
|
'instructions' => __('Selected elements will be displayed in each result','acf'),
|
|
'type' => 'checkbox',
|
|
'name' => 'elements',
|
|
'choices' => array(
|
|
'featured_image' => __("Featured Image",'acf'),
|
|
),
|
|
));
|
|
|
|
|
|
// min
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Minimum posts','acf'),
|
|
'instructions' => '',
|
|
'type' => 'number',
|
|
'name' => 'min',
|
|
));
|
|
|
|
|
|
// max
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Maximum posts','acf'),
|
|
'instructions' => '',
|
|
'type' => 'number',
|
|
'name' => 'max',
|
|
));
|
|
|
|
|
|
|
|
|
|
// return_format
|
|
acf_render_field_setting( $field, array(
|
|
'label' => __('Return Format','acf'),
|
|
'instructions' => '',
|
|
'type' => 'radio',
|
|
'name' => 'return_format',
|
|
'choices' => array(
|
|
'object' => __("Post Object",'acf'),
|
|
'id' => __("Post ID",'acf'),
|
|
),
|
|
'layout' => 'horizontal',
|
|
));
|
|
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* format_value()
|
|
*
|
|
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
|
|
*
|
|
* @type filter
|
|
* @since 3.6
|
|
* @date 23/01/13
|
|
*
|
|
* @param $value (mixed) the value which was loaded from the database
|
|
* @param $post_id (mixed) the $post_id from which the value was loaded
|
|
* @param $field (array) the field array holding all the field options
|
|
*
|
|
* @return $value (mixed) the modified value
|
|
*/
|
|
|
|
function format_value( $value, $post_id, $field ) {
|
|
|
|
// bail early if no value
|
|
if( empty($value) ) {
|
|
|
|
return $value;
|
|
|
|
}
|
|
|
|
|
|
// force value to array
|
|
$value = acf_get_array( $value );
|
|
|
|
|
|
// convert to int
|
|
$value = array_map('intval', $value);
|
|
|
|
|
|
// load posts if needed
|
|
if( $field['return_format'] == 'object' ) {
|
|
|
|
// get posts
|
|
$value = acf_get_posts(array(
|
|
'post__in' => $value,
|
|
'post_type' => $field['post_type']
|
|
));
|
|
|
|
}
|
|
|
|
|
|
// return
|
|
return $value;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* validate_value
|
|
*
|
|
* description
|
|
*
|
|
* @type function
|
|
* @date 11/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param $post_id (int)
|
|
* @return $post_id (int)
|
|
*/
|
|
|
|
function validate_value( $valid, $value, $field, $input ){
|
|
|
|
// default
|
|
if( empty($value) || !is_array($value) ) {
|
|
|
|
$value = array();
|
|
|
|
}
|
|
|
|
|
|
// min
|
|
if( count($value) < $field['min'] ) {
|
|
|
|
$valid = _n( '%s requires at least %s selection', '%s requires at least %s selections', $field['min'], 'acf' );
|
|
$valid = sprintf( $valid, $field['label'], $field['min'] );
|
|
|
|
}
|
|
|
|
|
|
// return
|
|
return $valid;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* update_value()
|
|
*
|
|
* This filter is appied to the $value before it is updated in the db
|
|
*
|
|
* @type filter
|
|
* @since 3.6
|
|
* @date 23/01/13
|
|
*
|
|
* @param $value - the value which will be saved in the database
|
|
* @param $post_id - the $post_id of which the value will be saved
|
|
* @param $field - the field array holding all the field options
|
|
*
|
|
* @return $value - the modified value
|
|
*/
|
|
|
|
function update_value( $value, $post_id, $field ) {
|
|
|
|
// validate
|
|
if( empty($value) ) {
|
|
|
|
return $value;
|
|
|
|
}
|
|
|
|
|
|
// force value to array
|
|
$value = acf_get_array( $value );
|
|
|
|
|
|
// array
|
|
foreach( $value as $k => $v ){
|
|
|
|
// object?
|
|
if( is_object($v) && isset($v->ID) ) {
|
|
|
|
$value[ $k ] = $v->ID;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// save value as strings, so we can clearly search for them in SQL LIKE statements
|
|
$value = array_map('strval', $value);
|
|
|
|
|
|
// return
|
|
return $value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// initialize
|
|
acf_register_field_type( new acf_field_relationship() );
|
|
|
|
endif; // class_exists check
|
|
|
|
?>
|