133 lines
2.9 KiB
PHP
133 lines
2.9 KiB
PHP
<?php
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/**
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* Post field class.
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*/
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class MASHSB_RWMB_Post_Field extends MASHSB_RWMB_Object_Choice_Field
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{
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/**
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* Normalize parameters for field
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*
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* @param array $field
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* @return array
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*/
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public static function normalize( $field )
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{
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/**
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* Set default field args
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*/
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$field = parent::normalize( $field );
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$field = wp_parse_args( $field, array(
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'post_type' => 'post',
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'parent' => false,
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) );
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if ( ! isset( $field['query_args']['post_type'] ) )
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$field['query_args']['post_type'] = $field['post_type'];
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/**
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* Set default placeholder
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* - If multiple post types: show 'Select a post'
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* - If single post type: show 'Select a %post_type_name%'
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*/
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if ( empty( $field['placeholder'] ) )
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{
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$field['placeholder'] = __( 'Select a post', 'meta-box' );
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if ( is_string( $field['query_args']['post_type'] ) && post_type_exists( $field['query_args']['post_type'] ) )
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{
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$post_type_object = get_post_type_object( $field['query_args']['post_type'] );
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$field['placeholder'] = sprintf( __( 'Select a %s', 'meta-box' ), $post_type_object->labels->singular_name );
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}
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}
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/**
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* Set parent option, which will change field name to `parent_id` to save as post parent
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*/
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if ( $field['parent'] )
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{
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$field['multiple'] = false;
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$field['field_name'] = 'parent_id';
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}
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/**
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* Set default query args
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*/
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$field['query_args'] = wp_parse_args( $field['query_args'], array(
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'post_status' => 'publish',
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'posts_per_page' => - 1,
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) );
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return $field;
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}
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/**
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* Get field names of object to be used by walker
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*
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* @return array
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*/
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public static function get_db_fields()
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{
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return array(
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'parent' => 'post_parent',
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'id' => 'ID',
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'label' => 'post_title',
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);
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}
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/**
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* Get meta value
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* If field is cloneable, value is saved as a single entry in DB
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* Otherwise value is saved as multiple entries (for backward compatibility)
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*
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* @see "save" method for better understanding
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*
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* @param $post_id
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* @param $saved
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* @param $field
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*
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* @return array
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*/
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public static function meta( $post_id, $saved, $field )
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{
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if ( isset( $field['parent'] ) && $field['parent'] )
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{
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$post = get_post( $post_id );
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return $post->post_parent;
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}
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return parent::meta( $post_id, $saved, $field );
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}
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/**
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* Get options for walker
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*
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* @param array $field
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* @return array
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*/
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public static function get_options( $field )
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{
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$query = new WP_Query( $field['query_args'] );
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return $query->have_posts() ? $query->posts : array();
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}
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/**
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* Get option label
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*
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* @param string $value Option value
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* @param array $field Field parameter
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*
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* @return string
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*/
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public static function get_option_label( $value, $field )
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{
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return sprintf(
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'<a href="%s" title="%s">%s</a>',
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esc_url( get_permalink( $value ) ),
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the_title_attribute( array(
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'post' => $value,
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'echo' => false,
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) ),
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get_the_title( $value )
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);
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}
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}
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