';
return $this->rendered( $output );
}
public function get_file_preview_output() {
if ( ! $this->is_valid_img_ext( $this->args['value'] ) ) {
return $this->file_status_output( array(
'value' => $this->args['value'],
'tag' => 'div',
'cached_id' => $this->args['id'],
) );
}
if ( $this->args['id_value'] ) {
$image = wp_get_attachment_image( $this->args['id_value'], $this->args['preview_size'], null, array(
'class' => 'cmb-file-field-image',
) );
} else {
$image = '';
}
return $this->img_status_output( array(
'image' => $image,
'tag' => 'div',
'cached_id' => $this->args['id'],
) );
}
public function get_id_field_output() {
$field = $this->field;
/*
* A little bit of magic (tsk tsk) replacing the $this->types->field object,
* So that the render function is using the proper field object.
*/
$this->types->field = $this->get_id_field();
$output = parent::render( array(
'type' => 'hidden',
'class' => 'cmb2-upload-file-id',
'value' => $this->types->field->value,
'desc' => '',
) );
// We need to put the original field object back
// or other fields in a custom field will be broken.
$this->types->field = $field;
return $output;
}
public function get_id_field() {
// reset field args for attachment id
$args = array(
// if we're looking at a file in a group, we need to get the non-prefixed id
'id' => ( $this->field->group ? $this->field->args( '_id' ) : $this->args['id'] ) . '_id',
'disable_hash_data_attribute' => true,
);
// and get new field object
// (need to set it to the types field property)
$id_field = $this->field->get_field_clone( $args );
$id_value = absint( null !== $this->args['id_value'] ? $this->args['id_value'] : $id_field->escaped_value() );
// we don't want to output "0" as a value.
if ( ! $id_value ) {
$id_value = '';
}
// if there is no id saved yet, try to get it from the url
if ( $this->args['value'] && ! $id_value ) {
$id_value = CMB2_Utils::image_id_from_url( esc_url_raw( $this->args['value'] ) );
}
$id_field->value = $id_value;
return $id_field;
}
}