silverstripe-framework/core/control/RecordController.php

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<?php
/**
* @package sapphire
* @subpackage control
*/
class RecordController extends Controller {
protected $modelClass;
protected $currentRecord;
static $allowed_actions = array('add','edit', 'view', 'EditForm', 'ViewForm');
static $url_handlers = array(
'' => 'index',
'add' => 'add',
'AddForm' => 'AddForm',
'$ID/$Action' => 'handleAction',
);
/**
* @param string $parentController
* @param string $modelClass
*/
function __construct($parentController = null, $modelClass = null) {
if($parentController) $this->parentController = $parentController;
if($modelClass) $this->modelClass = $modelClass;
parent::__construct();
}
function init() {
parent::init();
Requirements::themedCSS('layout');
Requirements::themedCSS('typography');
Requirements::themedCSS('form');
}
function handleAction($request) {
if(is_numeric($request->latestParam('ID'))) {
$this->currentRecord = DataObject::get_by_id($this->modelClass, $request->latestParam('ID'));
}
return parent::handleAction($request);
}
/**
* Link fragment - appends the current record ID to the URL.
*
*/
function Link() {
die("not implemented yet");
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////
function index($request) {
return $this->view($request);
}
/**
* Edit action - shows a form for editing this record
*/
function edit($request) {
if(!$this->currentRecord) {
return $this->httpError(404);
}
if(!$this->currentRecord->canEdit(Member::currentUser())) {
return $this->httpError(403);
}
return $this->render(array(
'Form' => $this->EditForm()
));
}
/**
* Returns a form for editing the attached model
*/
public function EditForm() {
$fields = $this->currentRecord->getFormFields();
$fields->push(new HiddenField("ID"));
$validator = ($this->currentRecord->hasMethod('getValidator')) ? $this->currentRecord->getValidator() : null;
$actions = new FieldSet(
new FormAction("doSave", "Save")
);
if($this->currentRecord->canDelete(Member::currentUser())) {
$actions->push($deleteAction = new FormAction('doDelete', 'Delete'));
$deleteAction->addExtraClass('delete');
}
$form = new Form($this, "EditForm", $fields, $actions, $validator);
$form->loadDataFrom($this->currentRecord);
return $form;
}
/**
* Postback action to save a record
*
* @param array $data
* @param Form $form
* @param HTTPRequest $request
* @return mixed
*/
function doSave($data, $form, $request) {
if(!$this->currentRecord->canEdit(Member::currentUser())) {
return $this->httpError(403);
}
$form->saveInto($this->currentRecord);
$this->currentRecord->write();
$form->sessionMessage(
_t('RecordController.SAVESUCCESS','Saved record'),
'good'
);
Director::redirectBack();
}
/**
* Delete the current record
*/
public function doDelete($data, $form, $request) {
if(!$this->currentRecord->canDelete(Member::currentUser())) {
return $this->httpError(403);
}
$this->currentRecord->delete();
$form->sessionMessage(
_t('RecordController.DELETESUCCESS','Successfully deleted record'),
'good'
);
Director::redirectBack();
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Renders the record view template.
*
* @param HTTPRequest $request
* @return mixed
*/
function view($request) {
if(!$this->currentRecord) {
return $this->httpError(404);
}
if(!$this->currentRecord->canDelete(Member::currentUser())) {
return $this->httpError(403);
}
return $this->render(array(
'Form' => $this->ViewForm()
));
}
/**
* Returns a form for viewing the attached model
*
* @return Form
*/
public function ViewForm() {
$fields = $this->currentRecord->getFormFields();
$form = new Form($this, "EditForm", $fields, new FieldSet());
$form->loadDataFrom($this->currentRecord);
$form->makeReadonly();
return $form;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Create a new model record.
*
* @param unknown_type $request
* @return unknown
*/
function add($request) {
if(!singleton($this->modelClass)->canCreate(Member::currentUser())) {
return $this->httpError(403);
}
return $this->render(array(
'Form' => $this->AddForm()
));
}
/**
* Returns a form for editing the attached model
*/
public function AddForm() {
$newRecord = new $this->modelClass();
if($newRecord->hasMethod('getAddFormFields')) {
$fields = $newRecord->getAddFormFields();
} else {
$fields = $newRecord->getFormFields();
}
$validator = ($newRecord->hasMethod('getValidator')) ? $newRecord->getValidator() : null;
$actions = new FieldSet(new FormAction("doAdd", "Add"));
$form = new Form($this, "AddForm", $fields, $actions, $validator);
return $form;
}
function doAdd($data, $form, $request) {
if(!singleton($this->modelClass)->canCreate(Member::currentUser())) {
return $this->httpError(403);
}
$className = $this->modelClass;
$model = new $className();
// We write before saveInto, since this will let us save has-many and many-many relationships :-)
$model->write();
$form->saveInto($model);
$model->write();
Director::redirect(Controller::join_links($this->Link(), $model->ID , 'edit'));
}
////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* @return string
*/
public function ModelNameSingular() {
return singleton($this->modelClass)->i18n_singular_name();
}
/**
* @return string
*/
public function ModelNamePlural() {
return singleton($this->modelClass)->i18n_plural_name();
}
}
?>