/**
* Normalize parameters for field
*
* @param array $field
*
* @return array
*/
static function normalize_field($field)
{
$field = parent::normalize_field($field);
$field = wp_parse_args($field, array('js_options' => array()));
$field['js_options'] = wp_parse_args($field['js_options'], array('allowClear' => true, 'width' => 'resolve', 'placeholder' => $field['placeholder']));
return $field;
}
/**
* Save meta value
* If field is cloneable, value is saved as a single entry in DB
* Otherwise value is saved as multiple entries (for backward compatibility)
*
* TODO: A good way to ALWAYS save values in single entry in DB, while maintaining backward compatibility
*
* @param $new
* @param $old
* @param $post_id
* @param $field
*/
static function save($new, $old, $post_id, $field)
{
return SW_META_Select_Field::save($new, $old, $post_id, $field);
}
/**
* Walker for displaying select in tree format
*
* @param $meta
* @param $field
* @param $elements
* @param int $parent
* @param bool $active
*
* @return string
*/
static function walk_select_tree($meta, $field, $elements, $parent = 0, $active = false)
{
if (!isset($elements[$parent])) {
return;
}
$terms = $elements[$parent];
$field['options'] = self::get_options($terms);
$classes = array('rw-taxonomy-tree');
$classes[] = $active ? 'active' : 'disabled';
$classes[] = "SW_META-taxonomy-{$parent}";
$html = '<div class="' . implode(' ', $classes) . '">';
$html .= SW_META_Select_Field::html($meta, $field);
foreach ($terms as $term) {
$html .= self::walk_select_tree($meta, $field, $elements, $term->term_id, $active && in_array($term->term_id, $meta));
}
$html .= '</div>';
return $html;
}