/**
* Can the row be edited
*
* @param object $row Current row to test
*
* @return boolean
*/
public function onCanEdit($row)
{
$params = $this->getParams();
// If $row is null, we were called from the list's canEdit() in a per-table rather than per-row context,
// and we don't have an opinion on per-table edit permissions, so just return true.
if (is_null($row) || is_null($row[0])) {
return true;
}
if (is_array($row[0])) {
$data = ArrayHelper::toObject($row[0]);
} else {
$data = $row[0];
}
/**
* If __pk_val is not set or empty, then we've probably been called from somewhere in form processing,
* and this is a new row. In which case this plugin cannot offer any opinion!
*/
if (!isset($data->__pk_val) || empty($data->__pk_val)) {
return true;
}
$field = str_replace('.', '___', $params->get('caneditrow_field'));
// If they provided some PHP to eval, we ignore the other settings and just run their code
$caneditrow_eval = $params->get('caneditrow_eval', '');
// $$$ rob if no can edit field selected in admin return true
if (trim($field) == '' && trim($caneditrow_eval) == '') {
$this->acl[$data->__pk_val] = true;
return true;
}
if (!empty($caneditrow_eval)) {
$w = new FabrikWorker();
$data = ArrayHelper::fromObject($data);
$caneditrow_eval = $w->parseMessageForPlaceHolder($caneditrow_eval, $data);
FabrikWorker::clearEval();
$caneditrow_eval = @eval($caneditrow_eval);
FabrikWorker::logEval($caneditrow_eval, 'Caught exception on eval in can edit row : %s');
$this->acl[$data['__pk_val']] = $caneditrow_eval;
return $caneditrow_eval;
} else {
// No PHP given, so just do a simple match on the specified element and value settings.
if ($params->get('caneditrow_useraw', '0') == '1') {
$field .= '_raw';
}
$value = $params->get('caneditrow_value');
$operator = $params->get('operator', '=');
if (is_object($data->{$field})) {
$data->{$field} = ArrayHelper::fromObject($data->{$field});
}
switch ($operator) {
case '=':
default:
$return = is_array($data->{$field}) ? in_array($value, $data->{$field}) : $data->{$field} == $value;
break;
case "!=":
$return = is_array($data->{$field}) ? !in_array($value, $data->{$field}) : $data->{$field} != $value;
break;
}
$this->acl[$data->__pk_val] = $return;
return $return;
}
}
/**
* Can the row be deleted
*
* @param object $row Current row to test
*
* @return boolean
*/
public function onCanDelete($row)
{
$params = $this->getParams();
// If $row is null, we were called from the table's canEdit() in a per-table rather than per-row context,
// and we don't have an opinion on per-table delete permissions, so just return true.
if (is_null($row) || is_null($row[0])) {
return true;
}
if (is_array($row[0])) {
$data = ArrayHelper::toObject($row[0]);
} else {
$data = $row[0];
}
$field = str_replace('.', '___', $params->get('candeleterow_field'));
// If they provided some PHP to eval, we ignore the other settings and just run their code
$canDeleteRowEval = $params->get('candeleterow_eval', '');
// $$$ rob if no can delete field selected in admin return true
if (trim($field) == '' && trim($canDeleteRowEval) == '') {
return true;
}
if (!empty($canDeleteRowEval)) {
$w = new FabrikWorker();
$data = ArrayHelper::fromObject($data);
$canDeleteRowEval = $w->parseMessageForPlaceHolder($canDeleteRowEval, $data);
FabrikWorker::clearEval();
$canDeleteRowEval = @eval($canDeleteRowEval);
FabrikWorker::logEval($canDeleteRowEval, 'Caught exception on eval in can delete row : %s');
return $canDeleteRowEval;
} else {
// No PHP given, so just do a simple match on the specified element and value settings.
if ($params->get('candeleterow_useraw', '0') == '1') {
$field .= '_raw';
}
$value = $params->get('candeleterow_value');
$operator = $params->get('operator', '=');
if (!isset($data->{$field})) {
return false;
}
switch ($operator) {
case '=':
default:
return $data->{$field} == $value;
break;
case "!=":
return $data->{$field} != $value;
break;
}
}
}
/**
* Run eval
*
* @param string $data Original data
* @param int $repeatCounter Repeat group counter
*
* @return string Evaluated PHP function
*/
private function _eval($data, $repeatCounter = 0)
{
$params = $this->getParams();
$elementModel = $this->elementModel;
$formModel = $elementModel->getFormModel();
$formData = $formModel->formData;
$w = new FabrikWorker();
$phpCode = $params->get('php-code');
$phpCode = $w->parseMessageForPlaceHolder($phpCode, $formData, true, true);
/**
* $$$ hugh - added trigger_error(""), which will "clear" any existing errors,
* otherwise logEval will pick up and report notices and warnings generated
* by the rest of our code, which can be VERY confusing. Note that this required a tweak
* to logEval, as error_get_last won't be null after doing this, but $error['message'] will
* be empty.
* $$$ hugh - moved the $trigger_error() into a helper func
*/
FabrikWorker::clearEval();
$return = @eval($phpCode);
FabrikWorker::logEval($return, 'Caught exception on php validation of ' . $elementModel->getFullName(true, false) . ': %s');
return $return;
}
/**
* Looks at the validation condition & evaluates it
* if evaluation is true then the validation rule is applied
*
* @param string $data Elements data
* @param int $repeatCounter Repeat group counter
*
* @return bool apply validation
*/
public function shouldValidate($data, $repeatCounter = 0)
{
if (!$this->shouldValidateIn()) {
return false;
}
if (!$this->shouldValidateOn()) {
return false;
}
$params = $this->getParams();
$condition = $params->get($this->pluginName . '-validation_condition');
if ($condition == '') {
return true;
}
$w = new FabrikWorker();
$groupModel = $this->elementModel->getGroupModel();
$inRepeat = $groupModel->canRepeat();
if ($inRepeat) {
// Replace repeat data array with current repeatCounter value to ensure placeholders work.
// E.g. return {'table___field}' == '1';
$f = JFilterInput::getInstance();
$post = $f->clean($_REQUEST, 'array');
$groupElements = $groupModel->getMyElements();
foreach ($groupElements as $element) {
$name = $element->getFullName(true, false);
$elementData = ArrayHelper::getValue($post, $name, array());
$post[$name] = ArrayHelper::getValue($elementData, $repeatCounter, '');
$rawData = ArrayHelper::getValue($post, $name . '_raw', array());
$post[$name . '_raw'] = ArrayHelper::getValue($rawData, $repeatCounter, '');
}
} else {
$post = null;
}
$condition = trim($w->parseMessageForPlaceHolder($condition, $post));
FabrikWorker::clearEval();
$res = @eval($condition);
FabrikWorker::logEval($res, 'Caught exception on eval in validation condition : %s');
if (is_null($res)) {
return true;
}
return $res;
}
