setup_admin_scripts();
if ( version_compare( CMB2_VERSION, '2.2.2', '>=' ) ) {
$field_type_object->type = new CMB2_Type_Select( $field_type_object );
}
echo $field_type_object->select( array(
'class' => 'pw_select2 pw_select',
'desc' => $field_type_object->_desc( true ),
'options' => '' . $field_type_object->concat_items(),
'data-placeholder' => $field->args( 'attributes', 'placeholder' ) ? $field->args( 'attributes', 'placeholder' ) : $field->args( 'description' ),
) );
}
/**
* Render multi-value select input field
*/
public function render_pw_multiselect( $field, $field_escaped_value, $field_object_id, $field_object_type, $field_type_object ) {
$this->setup_admin_scripts();
if ( version_compare( CMB2_VERSION, '2.2.2', '>=' ) ) {
$field_type_object->type = new CMB2_Type_Select( $field_type_object );
}
$a = $field_type_object->parse_args( 'pw_multiselect', array(
'multiple' => 'multiple',
'style' => 'width: 99%',
'class' => 'pw_select2 pw_multiselect',
'name' => $field_type_object->_name() . '[]',
'id' => $field_type_object->_id(),
'desc' => $field_type_object->_desc( true ),
'options' => $this->get_pw_multiselect_options( $field_escaped_value, $field_type_object ),
'data-placeholder' => $field->args( 'attributes', 'placeholder' ) ? $field->args( 'attributes', 'placeholder' ) : $field->args( 'description' ),
) );
$attrs = $field_type_object->concat_attrs( $a, array( 'desc', 'options' ) );
echo sprintf( '%s%s', $attrs, $a['options'], $a['desc'] );
}
/**
* Return list of options for pw_multiselect
*
* Return the list of options, with selected options at the top preserving their order. This also handles the
* removal of selected options which no longer exist in the options array.
*/
public function get_pw_multiselect_options( $field_escaped_value = array(), $field_type_object ) {
$options = (array) $field_type_object->field->options();
// If we have selected items, we need to preserve their order
if ( ! empty( $field_escaped_value ) ) {
$options = $this->sort_array_by_array( $options, $field_escaped_value );
}
$selected_items = '';
$other_items = '';
foreach ( $options as $option_value => $option_label ) {
// Clone args & modify for just this item
$option = array(
'value' => $option_value,
'label' => $option_label,
);
// Split options into those which are selected and the rest
if ( in_array( $option_value, (array) $field_escaped_value ) ) {
$option['checked'] = true;
$selected_items .= $field_type_object->select_option( $option );
} else {
$other_items .= $field_type_object->select_option( $option );
}
}
return $selected_items . $other_items;
}
/**
* Sort an array by the keys of another array
*
* @author Eran Galperin
* @link http://link.from.pw/1Waji4l
*/
public function sort_array_by_array( array $array, array $orderArray ) {
$ordered = array();
foreach ( $orderArray as $key ) {
if ( array_key_exists( $key, $array ) ) {
$ordered[ $key ] = $array[ $key ];
unset( $array[ $key ] );
}
}
return $ordered + $array;
}
/**
* Handle sanitization for repeatable fields
*/
public function pw_multiselect_sanitize( $check, $meta_value, $object_id, $field_args ) {
if ( ! is_array( $meta_value ) || ! $field_args['repeatable'] ) {
return $check;
}
foreach ( $meta_value as $key => $val ) {
$meta_value[$key] = array_map( 'sanitize_text_field', $val );
}
return $meta_value;
}
/**
* Handle escaping for repeatable fields
*/
public function pw_multiselect_escaped_value( $check, $meta_value, $field_args ) {
if ( ! is_array( $meta_value ) || ! $field_args['repeatable'] ) {
return $check;
}
foreach ( $meta_value as $key => $val ) {
$meta_value[$key] = array_map( 'esc_attr', $val );
}
return $meta_value;
}
/**
* Add 'table-layout' class to multi-value select field
*/
public function pw_multiselect_table_row_class( $check ) {
$check[] = 'pw_multiselect';
return $check;
}
/**
* Enqueue scripts and styles
*/
public function setup_admin_scripts() {
$asset_path = apply_filters( 'pw_cmb2_field_select2_asset_path', trailingslashit( get_template_directory_uri() ) . 'lib/cmb_extension' );
wp_register_script( 'pw-select2', $asset_path . '/js/select2.min.js', array( 'jquery-ui-sortable' ), '4.0.3' );
wp_enqueue_script( 'pw-select2-init', $asset_path . '/js/script.js', array( 'cmb2-scripts', 'pw-select2' ), self::VERSION );
wp_register_style( 'pw-select2', $asset_path . '/css/select2.min.css', array(), '4.0.3' );
wp_enqueue_style( 'pw-select2-tweaks', $asset_path . '/css/style.css', array( 'pw-select2' ), self::VERSION );
}
}
$pw_cmb2_field_select2 = new PW_CMB2_Field_Select2();