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<?php
/**
* The abstract input field which is used for all <input> fields.
*
* @package Meta Box
*/
/**
* Abstract input field class.
*/
abstract class RWMB_Input_Field extends RWMB_Field {
/**
* Get field HTML.
*
* @param mixed $meta Meta value.
* @param array $field Field parameters.
* @return string
*/
public static function html( $meta, $field ) {
$attributes = self::call( 'get_attributes', $field, $meta );
return sprintf( '<input %s>%s', self::render_attributes( $attributes ), self::datalist( $field ) );
}
/**
* Normalize parameters for field.
*
* @param array $field Field parameters.
* @return array
*/
public static function normalize( $field ) {
$field = parent::normalize( $field );
$field = wp_parse_args( $field, array(
'autocomplete' => false,
'size' => 30,
'datalist' => false,
'readonly' => false,
) );
if ( $field['datalist'] ) {
$field['datalist'] = wp_parse_args( $field['datalist'], array(
'id' => $field['id'] . '_list',
'options' => array(),
) );
}
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(
'autocomplete' => $field['autocomplete'],
'list' => $field['datalist'] ? $field['datalist']['id'] : false,
'readonly' => $field['readonly'],
'value' => $value,
'placeholder' => $field['placeholder'],
'type' => $field['type'],
'size' => $field['size'],
) );
return $attributes;
}
/**
* Create datalist, if any.
*
* @param array $field Field parameters.
* @return string
*/
protected static function datalist( $field ) {
if ( empty( $field['datalist'] ) ) {
return '';
}
$datalist = $field['datalist'];
$html = sprintf( '<datalist id="%s">', $datalist['id'] );
foreach ( $datalist['options'] as $option ) {
$html .= sprintf( '<option value="%s"></option>', $option );
}
$html .= '</datalist>';
return $html;
}
}
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