/**
* Returns the appropriate response up the controller chain
* if {@link validate()} fails (which is checked prior to executing any form actions).
* By default, returns different views for ajax/non-ajax request, and
* handles 'application/json' requests with a JSON object containing the error messages.
* Behaviour can be influenced by setting {@link $redirectToFormOnValidationError},
* and can be overruled by setting {@link $validationResponseCallback}.
*
* @return HTTPResponse|string
*/
protected function getValidationErrorResponse()
{
$callback = $this->getValidationResponseCallback();
if ($callback && ($callbackResponse = $callback())) {
return $callbackResponse;
}
$request = $this->getRequest();
if ($request->isAjax()) {
// Special case for legacy Validator.js implementation
// (assumes eval'ed javascript collected through FormResponse)
$acceptType = $request->getHeader('Accept');
if (strpos($acceptType, 'application/json') !== FALSE) {
// Send validation errors back as JSON with a flag at the start
$response = new HTTPResponse(Convert::array2json($this->validator->getErrors()));
$response->addHeader('Content-Type', 'application/json');
} else {
$this->setupFormErrors();
// Send the newly rendered form tag as HTML
$response = new HTTPResponse($this->forTemplate());
$response->addHeader('Content-Type', 'text/html');
}
return $response;
} else {
if ($this->getRedirectToFormOnValidationError()) {
if ($pageURL = $request->getHeader('Referer')) {
if (Director::is_site_url($pageURL)) {
// Remove existing pragmas
$pageURL = preg_replace('/(#.*)/', '', $pageURL);
$pageURL = Director::absoluteURL($pageURL, true);
return $this->controller->redirect($pageURL . '#' . $this->FormName());
}
}
}
return $this->controller->redirectBack();
}
}
/**
* Returns a json array of a search results that can be used by for example Jquery.ui.autosuggestion
*
* @param GridField $gridField
* @param HTTPRequest $request
* @return string
*/
public function doSearch($gridField, $request)
{
$dataClass = $gridField->getModelClass();
$allList = $this->searchList ? $this->searchList : DataList::create($dataClass);
$searchFields = $this->getSearchFields() ? $this->getSearchFields() : $this->scaffoldSearchFields($dataClass);
if (!$searchFields) {
throw new LogicException(sprintf('GridFieldAddExistingAutocompleter: No searchable fields could be found for class "%s"', $dataClass));
}
$params = array();
foreach ($searchFields as $searchField) {
$name = strpos($searchField, ':') !== FALSE ? $searchField : "{$searchField}:StartsWith";
$params[$name] = $request->getVar('gridfield_relationsearch');
}
$results = $allList->subtract($gridField->getList())->filterAny($params)->sort(strtok($searchFields[0], ':'), 'ASC')->limit($this->getResultsLimit());
$json = array();
Config::nest();
SSViewer::config()->update('source_file_comments', false);
$viewer = SSViewer::fromString($this->resultsFormat);
foreach ($results as $result) {
$title = html_entity_decode($viewer->process($result));
$json[] = array('label' => $title, 'value' => $title, 'id' => $result->ID);
}
Config::unnest();
return Convert::array2json($json);
}
/**
* REST endpoint to get a list of campaigns.
*
* @return HTTPResponse
*/
public function readCampaigns()
{
$response = new HTTPResponse();
$response->addHeader('Content-Type', 'application/json');
$hal = $this->getListResource();
$response->setBody(Convert::array2json($hal));
return $response;
}
public function getAttributes()
{
return ['data-editor' => 'tinyMCE', 'data-config' => Convert::array2json($this->getConfig())];
}
public function Field($properties = array())
{
$config = array('showcalendar' => $this->getConfig('showcalendar'), 'isoDateformat' => $this->getConfig('dateformat'), 'jquerydateformat' => DateField_View_JQuery::convert_iso_to_jquery_format($this->getConfig('dateformat')), 'min' => $this->getConfig('min'), 'max' => $this->getConfig('max'));
// Add other jQuery UI specific, namespaced options (only serializable, no callbacks etc.)
// TODO Move to DateField_View_jQuery once we have a properly extensible HTML5 attribute system for FormField
$jqueryUIConfig = array();
foreach ($this->getConfig() as $k => $v) {
if (preg_match('/^jQueryUI\\.(.*)/', $k, $matches)) {
$jqueryUIConfig[$matches[1]] = $v;
}
}
if ($jqueryUIConfig) {
$config['jqueryuiconfig'] = Convert::array2json(array_filter($jqueryUIConfig));
}
$config = array_filter($config);
foreach ($config as $k => $v) {
$this->setAttribute('data-' . $k, $v);
}
// Three separate fields for day, month and year
if ($this->getConfig('dmyfields')) {
// values
$valArr = $this->valueObj ? $this->valueObj->toArray() : null;
// fields
$fieldNames = Zend_Locale::getTranslationList('Field', $this->locale);
$fieldDay = NumericField::create($this->name . '[day]', false, $valArr ? $valArr['day'] : null)->addExtraClass('day')->setAttribute('placeholder', $this->getConfig('dmyplaceholders') ? $fieldNames['day'] : null)->setMaxLength(2);
$fieldMonth = NumericField::create($this->name . '[month]', false, $valArr ? $valArr['month'] : null)->addExtraClass('month')->setAttribute('placeholder', $this->getConfig('dmyplaceholders') ? $fieldNames['month'] : null)->setMaxLength(2);
$fieldYear = NumericField::create($this->name . '[year]', false, $valArr ? $valArr['year'] : null)->addExtraClass('year')->setAttribute('placeholder', $this->getConfig('dmyplaceholders') ? $fieldNames['year'] : null)->setMaxLength(4);
// order fields depending on format
$sep = $this->getConfig('dmyseparator');
$format = $this->getConfig('dateformat');
$fields = array();
$fields[stripos($format, 'd')] = $fieldDay->Field();
$fields[stripos($format, 'm')] = $fieldMonth->Field();
$fields[stripos($format, 'y')] = $fieldYear->Field();
ksort($fields);
$html = implode($sep, $fields);
// dmyfields doesn't work with showcalendar
$this->setConfig('showcalendar', false);
} else {
$html = parent::Field();
}
return $html;
}
/**
* Tests {@link Convert::xml2raw()}
*/
public function testArray2JSON()
{
$val = array('Joe' => 'Bloggs', 'Tom' => 'Jones', 'My' => array('Complicated' => 'Structure'));
$encoded = Convert::array2json($val);
$this->assertEquals('{"Joe":"Bloggs","Tom":"Jones","My":{"Complicated":"Structure"}}', $encoded, 'Array is encoded in JSON');
}
