/**
* Static instance provider.
*
* Method providing static instance of as in Singleton pattern.
*/
public static function &singleton()
{
if (!isset(self::$_singleton)) {
self::$_singleton = new CRM_Core_Form_Renderer();
}
return self::$_singleton;
}
/**
* Getter function for renderer. If renderer is not set
* create one and initialize it
*
* @return object
*/
public function &getRenderer()
{
if (!isset($this->_renderer)) {
$this->_renderer = CRM_Core_Form_Renderer::singleton();
}
return $this->_renderer;
}
/**
* Creates an array representing an element containing
* the key for storing this. We allow the parent to do most of the
* work, but then we add some CiviCRM specific enhancements to
* make the html compliant with our css etc
*
* @access private
* @param object An HTML_QuickForm_element object
* @param bool Whether an element is required
* @param string Error associated with the element
* @return array
*/
function _elementToArray(&$element, $required, $error)
{
CRM_Core_Form_Renderer::updateAttributes($element, $required, $error);
$el = parent::_elementToArray($element, $required, $error);
// add label html
if (!empty($el['label'])) {
$id = $element->getAttribute('id');
if (!empty($id)) {
$el['label'] = '<label for="' . $id . '">' . $el['label'] . '</label>';
}
}
return $el;
}
/**
* Renders an element Html
* Called when visiting an element
*
* @param HTML_QuickForm_element form element being visited
* @param bool Whether an element is required
* @param string An error message associated with an element
* @access public
* @return void
*/
function renderElement(&$element, $required, $error)
{
// make sure that all elements are id'ed even in a group!
CRM_Core_Form_Renderer::updateAttributes($element, $required, $error);
if (!$this->_inGroup) {
$html = $this->_prepareTemplate($element->getName(), $element->getLabel(), $required, $error);
$this->_html .= str_replace('{element}', $element->toHtml(), $html);
} elseif (!empty($this->_groupElementTemplate)) {
$html = str_replace('{label}', $element->getLabel(), $this->_groupElementTemplate);
if ($required) {
$html = str_replace('<!-- BEGIN required -->', '', $html);
$html = str_replace('<!-- END required -->', '', $html);
} else {
$html = preg_replace("/([ \t\n\r]*)?<!-- BEGIN required -->.*<!-- END required -->([ \t\n\r]*)?/isU", '', $html);
}
$this->_groupElements[] = str_replace('{element}', $element->toHtml(), $html);
} else {
$this->_groupElements[] = $element->toHtml();
}
}
