/**
* global validation rules for the form
*
* @param array $fields (referance) posted values of the form
*
* @return array if errors then list of errors to be posted back to the form,
* true otherwise
* @static
* @access public
*/
static function formRule(&$fields, &$files, &$form)
{
// all option fields are of type "money"
$errors = array();
/** Check the option values entered
* Appropriate values are required for the selected datatype
* Incomplete row checking is also required.
*/
if (($form->_action & CRM_Core_Action::ADD || $form->_action & CRM_Core_Action::UPDATE) && $fields['html_type'] == 'Text' && $fields['price'] == NULL) {
$errors['price'] = ts('Price is a required field');
}
//avoid the same price field label in Within PriceSet
$priceFieldLabel = new CRM_Price_DAO_Field();
$priceFieldLabel->label = $fields['label'];
$priceFieldLabel->price_set_id = $form->_sid;
$dupeLabel = false;
if ($priceFieldLabel->find(true) && $form->_fid != $priceFieldLabel->id) {
$dupeLabel = true;
}
if ($dupeLabel) {
$errors['label'] = ts('Name already exists in Database.');
}
if ($form->_action & CRM_Core_Action::ADD) {
if ($fields['html_type'] != 'Text') {
$countemptyrows = 0;
for ($index = self::NUM_OPTION; $index > 0; $index--) {
$noLabel = $noAmount = $noWeight = 1;
if (!empty($fields['option_label'][$index])) {
$noLabel = 0;
$duplicateIndex = CRM_Utils_Array::key($fields['option_label'][$index], $fields['option_label']);
if (!($duplicateIndex === false) && !($duplicateIndex == $index)) {
$errors["option_label[{$index}]"] = ts('Duplicate label value');
}
}
// allow for 0 value.
if (!empty($fields['option_name'][$index]) || strlen($fields['option_name'][$index]) > 0) {
$noAmount = 0;
}
if (!empty($fields['option_weight'][$index])) {
$noWeight = 0;
$duplicateIndex = CRM_Utils_Array::key($fields['option_weight'][$index], $fields['option_weight']);
if (!($duplicateIndex === false) && !($duplicateIndex == $index)) {
$errors["option_weight[{$index}]"] = ts('Duplicate weight value');
}
}
if ($noLabel && !$noAmount) {
$errors["option_label[{$index}]"] = ts('Label cannot be empty.');
}
if (!$noLabel && $noAmount) {
$errors["option_name[{$index}]"] = ts('Amount cannot be empty.');
}
if ($noLabel && $noAmount) {
$countemptyrows++;
}
}
if ($countemptyrows == 11) {
$errors["option_label[1]"] = $errors["option_name[1]"] = ts('Label and value cannot be empty.');
}
}
$_showHide =& new CRM_Core_ShowHideBlocks('', '');
// do not process if no option rows were submitted
if (empty($fields['option_name']) && empty($fields['option_label'])) {
return true;
}
if (empty($fields['option_name'])) {
$fields['option_name'] = array();
}
if (empty($fields['option_label'])) {
$fields['option_label'] = array();
}
$dupeLabels = array();
$count = 0;
for ($idx = 1; $idx <= self::NUM_OPTION; $idx++) {
$_flagOption = 0;
$_rowError = 0;
$showBlocks = 'optionField_' . $idx;
// both value and label are empty
if ($fields['option_name'][$idx] == '' && $fields['option_label'][$idx] == '') {
$_showHide->addHide($showBlocks);
$count++;
if ($count == 11) {
$showBlocks = 'optionField_' . '1';
$_showHide->addShow($showBlocks);
}
continue;
}
$_showHide->addShow($showBlocks);
if ($fields['option_name'][$idx] != '') {
// check for empty label
if ($fields['option_label'][$idx] == '') {
$errors['option_label][' . $idx . ']'] = ts('Option label cannot be empty');
}
// all fields are money fields
if (!CRM_Utils_Rule::moneySigned($fields['option_name'][$idx])) {
$_flagOption = 1;
$errors['option_name[' . $idx . ']'] = ts('Please enter a valid money value.');
}
}
if ($fields['option_label'][$idx] != '') {
// check for empty value
if ($fields['option_name'][$idx] == '') {
$errors['option_name][' . $idx . ']'] = ts('Option value cannot be empty');
}
// check for duplicate labels, if not already done
if (isset($dupeLabels[$idx])) {
continue;
}
$also_in = array_keys($fields['option_label'], $fields['option_label'][$idx]);
// first match is always the current key
unset($also_in[0]);
if (!empty($also_in)) {
$_flagOption = 1;
$errors['option_label][' . $idx . ']'] = ts('Duplicate Option label');
foreach ($also_in as $also_in_key) {
$errors['option_name][' . $also_in_key . ']'] = ts('Duplicate Option label');
$dupeValues[$also_in_key] = true;
}
}
}
if ($_flagOption) {
$_showHide->addShow($showBlocks);
$_rowError = 1;
}
// last row - hide "Additional Option" option
if ($idx == self::NUM_OPTION) {
$hideBlock = 'additionalOption';
$_showHide->addHide($hideBlock);
}
}
$_showHide->addToTemplate();
}
return empty($errors) ? true : $errors;
}
