Filter (multi)select fields for post types and taxonomies.

- When printing the value.
- When editing the selected option(s).

See #8

Author: decodekult

src/field-types/class-field-type-multi-select-post-type.php

@@ -96,6 +96,9 @@ public function edit_field_options_html( array $args = array() ) {
 			$new_posts_selected = $_POST[ 'field_' . $this->field_obj->id ];
 			$posts_selected     = ( $posts_selected != $new_posts_selected ) ? $new_posts_selected : $posts_selected;
 		}
+
+		$posts_selected = apply_filters( 'bp_get_the_profile_field_multiselect_custom_post_type_selected', $posts_selected, $args, $post_type_selected, $this->field_obj->id );
+
 		// Get posts of custom post type selected.
 		$posts = new \WP_Query(
 			array(
@@ -237,6 +240,7 @@ public static function display_filter( $field_value, $field_id = 0 ) {
 
 		$post_ids = explode( ',', $field_value );
 		$post_ids = wp_parse_id_list( $post_ids );
+		$post_ids = apply_filters( 'bp_xprofile_field_multiselect_custom_post_type_value', $post_ids, $field_id );
 		_prime_post_caches( $post_ids, false, false );
 
 		$list = '';

src/field-types/class-field-type-multi-select-taxonomy.php

@@ -96,6 +96,8 @@ public function edit_field_options_html( array $args = array() ) {
 			$terms_selected     = ( $terms_selected != $new_terms_selected ) ? $new_terms_selected : $terms_selected;
 		}
 
+		$terms_selected = apply_filters( 'bp_get_the_profile_field_multiselect_custom_taxonomy_selected', $terms_selected, $args, $taxonomy_selected, $this->field_obj->id );
+
 		// Get terms of custom taxonomy selected.
 		$terms = get_terms( $taxonomy_selected, array( 'hide_empty' => false ) );
 
@@ -229,6 +231,7 @@ public static function display_filter( $field_value, $field_id = '' ) {
 
 		$field_value = explode( ',', $field_value );
 		$term_ids    = wp_parse_id_list( $field_value );
+		$term_ids    = apply_filters( 'bp_xprofile_field_multiselect_custom_taxonomy_value', $term_ids, $field_id );
 
 		$tax  = self::get_selected_taxonomy( $field_id );
 		$list = '';

src/field-types/class-field-type-select-post-type.php

@@ -86,6 +86,9 @@ public function edit_field_options_html( array $args = array() ) {
 			$new_post_selected = (int) $_POST[ 'field_' . $this->field_obj->id ];
 			$post_selected     = ( $post_selected != $new_post_selected ) ? $new_post_selected : $post_selected;
 		}
+
+		$post_selected = apply_filters( 'bp_get_the_profile_field_select_custom_post_type_selected', $post_selected, $args, $post_type_selected, $this->field_obj->id );
+
 		// Get posts of custom post type selected.
 		$posts = new \WP_Query(
 			array(
@@ -194,6 +197,8 @@ public static function display_filter( $field_value, $field_id = '' ) {
 			return '';
 		}
 
+		$post_id = apply_filters( 'bp_xprofile_field_select_custom_post_type_value', $post_id, $field_id );
+
 		return sprintf( '<a href="%1$s">%2$s</a>', esc_url( get_permalink( $post_id ) ), get_the_title( $post_id ) );
 	}
 

src/field-types/class-field-type-select-taxonomy.php

@@ -89,6 +89,8 @@ public function edit_field_options_html( array $args = array() ) {
 			$term_selected     = ( $term_selected != $new_term_selected ) ? $new_term_selected : $term_selected;
 		}
 
+		$term_selected = apply_filters( 'bp_get_the_profile_field_select_custom_taxonomy_selected', $term_selected, $args, $taxonomy_selected, $this->field_obj->id );
+
 		// Get terms of custom taxonomy selected.
 		$terms = get_terms( $taxonomy_selected, array( 'hide_empty' => false ) );
 
@@ -205,6 +207,8 @@ public static function display_filter( $field_value, $field_id = 0 ) {
 		$term_id = absint( $field_value );
 		$tax     = self::get_selected_taxonomy( $field_id );
 
+		$term_id = apply_filters( 'bp_xprofile_field_select_custom_taxonomy_value', $term_id, $field_id );
+
 		$term = get_term( $term_id, $tax );
 		if ( ! $term || is_wp_error( $term ) ) {
 			return '';