| // | Adam Daniel | // | Bertrand Mansion | // | Thomas Schulz | // +----------------------------------------------------------------------+ // // $Id$ require_once 'HTML/QuickForm/Renderer.php'; /** * A concrete renderer for HTML_QuickForm, makes an array of form contents * * Based on old toArray() code. * * The form array structure is the following: * array( * 'frozen' => 'whether the form is frozen', * 'javascript' => 'javascript for client-side validation', * 'attributes' => 'attributes for

tag', * 'requirednote => 'note about the required elements', * // if we set the option to collect hidden elements * 'hidden' => 'collected html of all hidden elements', * // if there were some validation errors: * 'errors' => array( * '1st element name' => 'Error for the 1st element', * ... * 'nth element name' => 'Error for the nth element' * ), * // if there are no headers in the form: * 'elements' => array( * element_1, * ... * element_N * ) * // if there are headers in the form: * 'sections' => array( * array( * 'header' => 'Header text for the first header', * 'name' => 'Header name for the first header', * 'elements' => array( * element_1, * ... * element_K1 * ) * ), * ... * array( * 'header' => 'Header text for the Mth header', * 'name' => 'Header name for the Mth header', * 'elements' => array( * element_1, * ... * element_KM * ) * ) * ) * ); * * where element_i is an array of the form: * array( * 'name' => 'element name', * 'value' => 'element value', * 'type' => 'type of the element', * 'frozen' => 'whether element is frozen', * 'label' => 'label for the element', * 'required' => 'whether element is required', * 'error' => 'error associated with the element', * 'style' => 'some information about element style (e.g. for Smarty)', * // if element is not a group * 'html' => 'HTML for the element' * // if element is a group * 'separator' => 'separator for group elements', * 'elements' => array( * element_1, * ... * element_N * ) * ); * * @access public */ class HTML_QuickForm_Renderer_Array extends HTML_QuickForm_Renderer { /** * An array being generated * @var array */ var $_ary; /** * Number of sections in the form (i.e. number of headers in it) * @var integer */ var $_sectionCount; /** * Current section number * @var integer */ var $_currentSection; /** * Array representing current group * @var array */ var $_currentGroup = null; /** * Additional style information for different elements * @var array */ var $_elementStyles = array(); /** * true: collect all hidden elements into string; false: process them as usual form elements * @var bool */ var $_collectHidden = false; /** * true: render an array of labels to many labels, $key 0 named 'label', the rest "label_$key" * false: leave labels as defined * @var bool */ var $staticLabels = false; /** * Constructor * * @param bool true: collect all hidden elements into string; false: process them as usual form elements * @param bool true: render an array of labels to many labels, $key 0 to 'label' and the oterh to "label_$key" * @access public */ public function __construct($collectHidden = false, $staticLabels = false) { parent::__construct(); $this->_collectHidden = $collectHidden; $this->_staticLabels = $staticLabels; } // end constructor /** * Old syntax of class constructor. Deprecated in PHP7. * * @deprecated since Moodle 3.1 */ public function HTML_QuickForm_Renderer_Array($collectHidden = false, $staticLabels = false) { debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER); self::__construct($collectHidden, $staticLabels); } /** * Returns the resultant array * * @access public * @return array */ function toArray() { return $this->_ary; } function startForm(&$form) { $this->_ary = array( 'frozen' => $form->isFrozen(), 'javascript' => $form->getValidationScript(), 'attributes' => $form->getAttributes(true), 'requirednote' => $form->getRequiredNote(), 'errors' => array() ); if ($this->_collectHidden) { $this->_ary['hidden'] = ''; } $this->_elementIdx = 1; $this->_currentSection = null; $this->_sectionCount = 0; } // end func startForm function renderHeader(&$header) { $this->_ary['sections'][$this->_sectionCount] = array( 'header' => $header->toHtml(), 'name' => $header->getName() ); $this->_currentSection = $this->_sectionCount++; } // end func renderHeader function renderElement(&$element, $required, $error) { $elAry = $this->_elementToArray($element, $required, $error); if (!empty($error)) { $this->_ary['errors'][$elAry['name']] = $error; } $this->_storeArray($elAry); } // end func renderElement function renderHidden(&$element) { if ($this->_collectHidden) { $this->_ary['hidden'] .= $element->toHtml() . "\n"; } else { $this->renderElement($element, false, null); } } // end func renderHidden function startGroup(&$group, $required, $error) { $this->_currentGroup = $this->_elementToArray($group, $required, $error); if (!empty($error)) { $this->_ary['errors'][$this->_currentGroup['name']] = $error; } } // end func startGroup function finishGroup(&$group) { $this->_storeArray($this->_currentGroup); $this->_currentGroup = null; } // end func finishGroup /** * Creates an array representing an element * * @access private * @param object An HTML_QuickForm_element object * @param bool Whether an element is required * @param string Error associated with the element * @return array */ function _elementToArray(&$element, $required, $error) { $ret = array( 'name' => $element->getName(), 'value' => $element->getValue(), 'type' => $element->getType(), 'frozen' => $element->isFrozen(), 'required' => $required, 'error' => $error ); // render label(s) $labels = $element->getLabel(); if (is_array($labels) && $this->_staticLabels) { foreach($labels as $key => $label) { $key = is_int($key)? $key + 1: $key; if (1 === $key) { $ret['label'] = $label; } else { $ret['label_' . $key] = $label; } } } else { $ret['label'] = $labels; } // set the style for the element if (isset($this->_elementStyles[$ret['name']])) { $ret['style'] = $this->_elementStyles[$ret['name']]; } if ('group' == $ret['type']) { $ret['separator'] = $element->_separator; $ret['elements'] = array(); } else { $ret['html'] = $element->toHtml(); } return $ret; } /** * Stores an array representation of an element in the form array * * @access private * @param array Array representation of an element * @return void */ function _storeArray($elAry) { // where should we put this element... if (is_array($this->_currentGroup) && ('group' != $elAry['type'])) { $this->_currentGroup['elements'][] = $elAry; } elseif (isset($this->_currentSection)) { $this->_ary['sections'][$this->_currentSection]['elements'][] = $elAry; } else { $this->_ary['elements'][] = $elAry; } } /** * Sets a style to use for element rendering * * @param mixed element name or array ('element name' => 'style name') * @param string style name if $elementName is not an array * @access public * @return void */ function setElementStyle($elementName, $styleName = null) { if (is_array($elementName)) { $this->_elementStyles = array_merge($this->_elementStyles, $elementName); } else { $this->_elementStyles[$elementName] = $styleName; } } } ?>