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<?php
/**
* The select field.
*
* @package Meta Box
*/
/**
* Select field class.
*/
class RWMB_Select_Field extends RWMB_Choice_Field {
/**
* Enqueue scripts and styles.
*/
public static function admin_enqueue_scripts() {
wp_enqueue_style( 'rwmb-select', RWMB_CSS_URL . 'select.css', array(), RWMB_VER );
wp_enqueue_script( 'rwmb-select', RWMB_JS_URL . 'select.js', array( 'jquery' ), RWMB_VER, true );
}
/**
* Walk options.
*
* @param array $field Field parameters.
* @param mixed $options Select options.
* @param mixed $db_fields Database fields to use in the output.
* @param mixed $meta Meta value.
*
* @return string
*/
public static function walk( $field, $options, $db_fields, $meta ) {
$attributes = self::call( 'get_attributes', $field, $meta );
$walker = new RWMB_Walker_Select( $db_fields, $field, $meta );
$output = sprintf(
'<select %s>',
self::render_attributes( $attributes )
);
if ( false === $field['multiple'] ) {
$output .= $field['placeholder'] ? '<option value="">' . esc_html( $field['placeholder'] ) . '</option>' : '';
}
$output .= $walker->walk( $options, $field['flatten'] ? - 1 : 0 );
$output .= '</select>';
$output .= self::get_select_all_html( $field );
return $output;
}
/**
* Normalize parameters for field.
*
* @param array $field Field parameters.
* @return array
*/
public static function normalize( $field ) {
$field = parent::normalize( $field );
$field = $field['multiple'] ? RWMB_Multiple_Values_Field::normalize( $field ) : $field;
$field = wp_parse_args( $field, array(
'select_all_none' => false,
) );
return $field;
}
/**
* Get the attributes for a field.
*
* @param array $field Field parameters.
* @param mixed $value Meta value.
*
* @return array
*/
public static function get_attributes( $field, $value = null ) {
$attributes = parent::get_attributes( $field, $value );
$attributes = wp_parse_args( $attributes, array(
'multiple' => $field['multiple'],
) );
return $attributes;
}
/**
* Get html for select all|none for multiple select.
*
* @param array $field Field parameters.
* @return string
*/
public static function get_select_all_html( $field ) {
if ( $field['multiple'] && $field['select_all_none'] ) {
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 '';
}
}
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