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<?php
/**
* The clone module, allowing users to clone (duplicate) fields.
*
* @package Meta Box
*/
/**
* The clone class.
*/
class RWMB_Clone {
/**
* Get clone field HTML.
*
* @param mixed $meta The meta value.
* @param array $field The field parameters.
*
* @return string
*/
public static function html( $meta, $field ) {
$field_html = '';
/**
* Note: $meta must contain value so that the foreach loop runs!
*
* @see meta()
*/
foreach ( $meta as $index => $sub_meta ) {
$sub_field = $field;
$sub_field['field_name'] = $field['field_name'] . "[{$index}]";
if ( $index > 0 ) {
if ( isset( $sub_field['address_field'] ) ) {
$sub_field['address_field'] = $field['address_field'] . "_{$index}";
}
$sub_field['id'] = $field['id'] . "_{$index}";
if ( ! empty( $sub_field['attributes']['id'] ) ) {
$sub_field['attributes']['id'] = $sub_field['attributes']['id'] . "_{$index}";
}
}
if ( in_array( $sub_field['type'], array( 'file', 'image' ), true ) ) {
$sub_field['file_input_name'] = $field['file_input_name'] . "[{$index}]";
} elseif ( $field['multiple'] ) {
$sub_field['field_name'] .= '[]';
}
// Wrap field HTML in a div with class="rwmb-clone" if needed.
$class = "rwmb-clone rwmb-{$field['type']}-clone";
$sort_icon = '';
if ( $field['sort_clone'] ) {
$class .= ' rwmb-sort-clone';
$sort_icon = "<a href='javascript:;' class='rwmb-clone-icon'></a>";
}
$input_html = "<div class='$class'>" . $sort_icon;
// Call separated methods for displaying each type of field.
$input_html .= RWMB_Field::call( $sub_field, 'html', $sub_meta );
$input_html = RWMB_Field::filter( 'html', $input_html, $sub_field, $sub_meta );
// Remove clone button.
$input_html .= self::remove_clone_button( $sub_field );
$input_html .= '</div>';
$field_html .= $input_html;
} // End foreach().
return $field_html;
}
/**
* Set value of meta before saving into database
*
* @param mixed $new The submitted meta value.
* @param mixed $old The existing meta value.
* @param int $post_id The post ID.
* @param array $field The field parameters.
*
* @return mixed
*/
public static function value( $new, $old, $post_id, $field ) {
if ( ! is_array( $new ) ) {
$new = array();
}
if ( in_array( $field['type'], array( 'file', 'image' ), true ) ) {
return RWMB_Field::call( $field, 'value', $new, '', $post_id );
}
foreach ( $new as $key => $value ) {
$old_value = isset( $old[ $key ] ) ? $old[ $key ] : null;
$value = RWMB_Field::call( $field, 'value', $value, $old_value, $post_id );
$new[ $key ] = RWMB_Field::filter( 'sanitize', $value, $field );
}
return $new;
}
/**
* Add clone button.
*
* @param array $field Field parameters.
* @return string $html
*/
public static function add_clone_button( $field ) {
if ( ! $field['clone'] ) {
return '';
}
$text = RWMB_Field::filter( 'add_clone_button_text', $field['add_button'], $field );
return '<a href="#" class="rwmb-button button-primary add-clone">' . esc_html( $text ) . '</a>';
}
/**
* Remove clone button.
*
* @param array $field Field parameters.
* @return string $html
*/
public static function remove_clone_button( $field ) {
$text = RWMB_Field::filter( 'remove_clone_button_text', '<i class="dashicons dashicons-minus"></i>', $field );
return '<a href="#" class="rwmb-button remove-clone">' . $text . '</a>';
}
}
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