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<?php
// Prevent loading this file directly
defined( 'ABSPATH' ) || exit;
if ( ! class_exists( 'WCQD_METABOX_Select_Field' ) )
{
class WCQD_METABOX_Select_Field extends WCQD_METABOX_Field
{
/**
* Enqueue scripts and styles
*
* @return void
*/
static function admin_enqueue_scripts()
{
wp_enqueue_style( 'rwmb-select', WCQD_METABOX_CSS_URL . 'select.css', array(), WCQD_METABOX_VER );
wp_enqueue_script( 'rwmb-select', WCQD_METABOX_JS_URL . 'select.js', array(), WCQD_METABOX_VER, true );
}
/**
* Get field HTML
*
* @param mixed $meta
* @param array $field
*
* @return string
*/
static function html( $meta, $field )
{
$html = sprintf(
'<select class="rwmb-select" name="%s" id="%s" size="%s"%s>',
$field['field_name'],
$field['id'],
$field['size'],
$field['multiple'] ? ' multiple' : ''
);
$html .= self::options_html( $field, $meta );
$html .= '</select>';
$html .= self::get_select_all_html( $field['multiple'] );
return $html;
}
/**
* Save meta value
* If field is cloneable, value is saved as a single entry in DB
* Otherwise value is saved as multiple entries (for backward compatibility)
*
* @param $new
* @param $old
* @param $post_id
* @param $field
*
* @return void
*/
static function save( $new, $old, $post_id, $field )
{
if ( ! $field['clone'] )
{
parent::save( $new, $old, $post_id, $field );
return;
}
if ( empty( $new ) )
delete_post_meta( $post_id, $field['id'] );
else
update_post_meta( $post_id, $field['id'], $new );
}
/**
* Normalize parameters for field
*
* @param array $field
*
* @return array
*/
static function normalize_field( $field )
{
$field = wp_parse_args( $field, array(
'size' => $field['multiple'] ? 5 : 0,
) );
if ( ! $field['clone'] && $field['multiple'] )
$field['field_name'] .= '[]';
return $field;
}
/**
* Creates html for options
*
* @param array $field
* @param mixed $meta
*
* @return array
*/
static function options_html( $field, $meta )
{
$html = '';
if ( $field['placeholder'] )
{
$show_placeholder = ( 'select' === $field['type'] ) // Normal select field
|| ( isset( $field['field_type'] ) && 'select' === $field['field_type'] ) // For 'post' field
|| ( isset( $field['display_type'] ) && 'select' === $field['display_type'] ); // For 'taxonomy' field
$html = $show_placeholder ? "<option value=''>{$field['placeholder']}</option>" : '<option></option>';
}
$option = '<option value="%s"%s>%s</option>';
foreach ( $field['options'] as $value => $label )
{
$html .= sprintf(
$option,
$value,
selected( in_array( $value, (array) $meta ), true, false ),
$label
);
}
return $html;
}
/**
* Output the field value
* Display unordered list of option labels, not option values
*
* @param array $field Field parameters
* @param array $args Additional arguments. Not used for these fields.
* @param int|null $post_id Post ID. null for current post. Optional.
*
* @return string Link(s) to post
*/
static function the_value( $field, $args = array(), $post_id = null )
{
$value = self::get_value( $field, $args, $post_id );
if ( ! $value )
return '';
$function = array( RW_Meta_Box::get_class_name( $field ), 'get_option_label' );
if ( $field['clone'] )
{
$output = '<ul>';
if ( $field['multiple'] )
{
foreach ( $value as $subvalue )
{
$output .= '<li>';
array_walk_recursive( $subvalue, $function, $field );
$output .= '<ul><li>' . implode( '</li><li>', $subvalue ) . '</li></ul>';
$output .= '</li>';
}
}
else
{
array_walk_recursive( $value, $function, $field );
$output = '<li>' . implode( '</li><li>', $value ) . '</li>';
}
$output .= '</ul>';
}
else
{
if ( $field['multiple'] )
{
array_walk_recursive( $value, $function, $field );
$output = '<ul><li>' . implode( '</li><li>', $value ) . '</li></ul>';
}
else
{
call_user_func_array( $function, array( &$value, 0, $field ) );
$output = $value;
}
}
return $output;
}
/**
* Get option label to display in the frontend
*
* @param int $value Option value
* @param int $index Array index
* @param array $field Field parameter
*
* @return string
*/
static function get_option_label( &$value, $index, $field )
{
$value = $field['options'][$value];
}
/**
* Get html for select all|none for multiple select
*
* @param $multiple
*
* @return string
*/
static function get_select_all_html( $multiple )
{
if ( $multiple === true )
{
return '<div class="rwmb-select-all-none">
' . __( 'Select', 'meta-box' ) . ': <a data-type="all" href="#">' . __( 'All', 'meta-box' ) . '</a> | <a data-type="none" href="#">' . __( 'None', 'meta-box' ) . '</a>
</div>';
}
return '';
}
}
}