/**
* Calls {@link SiteTree->getCMSFields()}
*
* @param Int $id
* @param FieldList $fields
* @return Form
*/
public function getEditForm($id = null, $fields = null)
{
if (!$id) {
$id = $this->currentPageID();
}
if (is_object($id)) {
$record = $id;
} else {
$record = $this->getRecord($id);
if ($record && !$record->canView()) {
return Security::permissionFailure($this);
}
}
if ($record) {
$fields = $fields ? $fields : $record->getCMSFields();
if ($fields == null) {
user_error("getCMSFields() returned null - it should return a FieldList object.\n\t\t\t\t\tPerhaps you forgot to put a return statement at the end of your method?", E_USER_ERROR);
}
// Add hidden fields which are required for saving the record
// and loading the UI state
if (!$fields->dataFieldByName('ClassName')) {
$fields->push(new HiddenField('ClassName'));
}
$tree_class = $this->stat('tree_class');
if ($tree_class::has_extension(Hierarchy::class) && !$fields->dataFieldByName('ParentID')) {
$fields->push(new HiddenField('ParentID'));
}
// Added in-line to the form, but plucked into different view by frontend scripts.
if ($record instanceof CMSPreviewable) {
/** @skipUpgrade */
$navField = new LiteralField('SilverStripeNavigator', $this->getSilverStripeNavigator());
$navField->setAllowHTML(true);
$fields->push($navField);
}
if ($record->hasMethod('getAllCMSActions')) {
$actions = $record->getAllCMSActions();
} else {
$actions = $record->getCMSActions();
// add default actions if none are defined
if (!$actions || !$actions->count()) {
if ($record->hasMethod('canEdit') && $record->canEdit()) {
$actions->push(FormAction::create('save', _t('CMSMain.SAVE', 'Save'))->addExtraClass('ss-ui-action-constructive')->setAttribute('data-icon', 'accept'));
}
if ($record->hasMethod('canDelete') && $record->canDelete()) {
$actions->push(FormAction::create('delete', _t('ModelAdmin.DELETE', 'Delete'))->addExtraClass('ss-ui-action-destructive'));
}
}
}
// Use <button> to allow full jQuery UI styling
$actionsFlattened = $actions->dataFields();
if ($actionsFlattened) {
/** @var FormAction $action */
foreach ($actionsFlattened as $action) {
$action->setUseButtonTag(true);
}
}
$negotiator = $this->getResponseNegotiator();
$form = Form::create($this, "EditForm", $fields, $actions)->setHTMLID('Form_EditForm');
$form->addExtraClass('cms-edit-form');
$form->loadDataFrom($record);
$form->setTemplate($this->getTemplatesWithSuffix('_EditForm'));
$form->setAttribute('data-pjax-fragment', 'CurrentForm');
$form->setValidationResponseCallback(function () use($negotiator, $form) {
$request = $this->getRequest();
if ($request->isAjax() && $negotiator) {
$form->setupFormErrors();
$result = $form->forTemplate();
return $negotiator->respond($request, array('CurrentForm' => function () use($result) {
return $result;
}));
}
});
// Announce the capability so the frontend can decide whether to allow preview or not.
if ($record instanceof CMSPreviewable) {
$form->addExtraClass('cms-previewable');
}
$form->addExtraClass('fill-height');
// Set this if you want to split up tabs into a separate header row
// if($form->Fields()->hasTabset()) {
// $form->Fields()->findOrMakeTab('Root')->setTemplate('SilverStripe\\Forms\\CMSTabSet');
// }
// Add a default or custom validator.
// @todo Currently the default Validator.js implementation
// adds javascript to the document body, meaning it won't
// be included properly if the associated fields are loaded
// through ajax. This means only serverside validation
// will kick in for pages+validation loaded through ajax.
// This will be solved by using less obtrusive javascript validation
// in the future, see http://open.silverstripe.com/ticket/2915 and
// http://open.silverstripe.com/ticket/3386
if ($record->hasMethod('getCMSValidator')) {
$validator = $record->getCMSValidator();
// The clientside (mainly LeftAndMain*.js) rely on ajax responses
// which can be evaluated as javascript, hence we need
// to override any global changes to the validation handler.
if ($validator != NULL) {
$form->setValidator($validator);
}
} else {
$form->unsetValidator();
}
if ($record->hasMethod('canEdit') && !$record->canEdit()) {
$readonlyFields = $form->Fields()->makeReadonly();
$form->setFields($readonlyFields);
}
} else {
$form = $this->EmptyForm();
}
return $form;
}
