161 lines
3.7 KiB
PHP
161 lines
3.7 KiB
PHP
<?php
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/**
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* Abstract class for any kind of choice field.
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*/
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abstract class MASHSB_RWMB_Choice_Field extends MASHSB_RWMB_Field
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{
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/**
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* Walk options
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*
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* @param mixed $meta
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* @param array $field
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* @param mixed $options
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* @param mixed $db_fields
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* @return string
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*/
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public static function walk( $options, $db_fields, $meta, $field )
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{
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return '';
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}
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/**
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* Get field HTML
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*
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* @param mixed $meta
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* @param array $field
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* @return string
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*/
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public static function html( $meta, $field )
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{
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$field_class = MASHSB_RW_Meta_Box::get_class_name( $field );
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$meta = (array) $meta;
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$options = call_user_func( array( $field_class, 'get_options' ), $field );
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$db_fields = call_user_func( array( $field_class, 'get_db_fields' ), $field );
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return call_user_func( array( $field_class, 'walk' ), $options, $db_fields, $meta, $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( $field )
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{
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$field = parent::normalize( $field );
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$field = wp_parse_args( $field, array(
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'flatten' => true,
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'options' => array(),
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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' => 'parent',
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'id' => 'value',
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'label' => 'label',
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);
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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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*
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* @return array
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*/
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public static function get_options( $field )
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{
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$options = array();
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foreach ( (array) $field['options'] as $value => $label )
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{
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$option = is_array( $label ) ? $label : array( 'label' => (string) $label, 'value' => (string) $value );
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if ( isset( $option['label'] ) && isset( $option['value'] ) )
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$options[$option['value']] = (object) $option;
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}
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return $options;
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}
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/**
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* Output the field value
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* Display unordered list of option labels, not option values
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*
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* @param array $field Field parameters
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* @param array $args Additional arguments. Not used for these fields.
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* @param int|null $post_id Post ID. null for current post. Optional.
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*
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* @return string Link(s) to post
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*/
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public static function the_value( $field, $args = array(), $post_id = null )
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{
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$field_class = MASHSB_RW_Meta_Box::get_class_name( $field );
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$value = call_user_func( array( $field_class, 'get_value' ), $field, $args, $post_id );
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if ( ! $value )
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return '';
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if ( $field['clone'] && $field['multiple'] )
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{
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$output = '<ul>';
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foreach ( $value as $subvalue )
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{
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$output .= '<li>';
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$output .= call_user_func( array( $field_class, 'list_option_labels' ), $subvalue, $field );
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$output .= '</li>';
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}
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$output .= '</ul>';
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}
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elseif ( $field['clone'] || $field['multiple'] )
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{
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$output = call_user_func( array( $field_class, 'list_option_labels' ), $value, $field );
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}
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else
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{
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$output = $field['options'][$value]['label'];
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}
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return $output;
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}
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/**
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* List option labels
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*
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* @param array $meta
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* @param array $field Field parameter
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* @return string
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*/
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public static function list_option_labels( $meta, $field )
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{
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$field_class = MASHSB_RW_Meta_Box::get_class_name( $field );
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$output = '<ul>';
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foreach ( $meta as $m )
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{
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$output .= sprintf( '<li>%s</li>', call_user_func( array( $field_class, 'get_option_label' ), $m, $field ) );
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}
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return $output . '</ul>';
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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, $field )
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{
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$options = call_user_func( array( MASHSB_RW_Meta_Box::get_class_name( $field ), 'get_options' ), $field );
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return $options[$value]->label;
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}
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}
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