/**
* Adds an element to the form.
*
* @param WTK_Widget_Form_Element $element
*/
public function add_element(WTK_Widget_Form_Element $element)
{
$this->elements[$element->get_name()] = $element;
return $this;
}
/**
* Renders the string of HTML attributes for an element.
*
* @param WTK_Widget_Form_Element $element The element whose attributes are being rendered
* @return string
*/
private function render_element_attributes(WTK_Widget_Form_Element $element)
{
$attributes = array();
foreach ($element->get_attributes() as $key => $value) {
switch (gettype($value)) {
case 'string':
$attributes[] = $key . '="' . trim($value) . '"';
break;
case 'boolean':
if ($value === true) {
$attributes[] = $key;
}
break;
default:
$attributes[] = $key . "='" . json_encode($value) . "'";
break;
}
}
return implode(' ', $attributes);
}
