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Diffstat (limited to 'library/Businessprocess/Web/Form/QuickForm.php')
| -rw-r--r-- | library/Businessprocess/Web/Form/QuickForm.php | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/library/Businessprocess/Web/Form/QuickForm.php b/library/Businessprocess/Web/Form/QuickForm.php new file mode 100644 index 0000000..cb4d287 --- /dev/null +++ b/library/Businessprocess/Web/Form/QuickForm.php @@ -0,0 +1,514 @@ +<?php + +namespace Icinga\Module\Businessprocess\Web\Form; + +use Icinga\Application\Icinga; +use Icinga\Application\Web; +use Icinga\Exception\ProgrammingError; +use Icinga\Web\Notification; +use Icinga\Web\Request; +use Icinga\Web\Response; +use Icinga\Web\Url; +use Exception; + +/** + * QuickForm wants to be a base class for simple forms + */ +abstract class QuickForm extends QuickBaseForm +{ + const ID = '__FORM_NAME'; + + const CSRF = '__FORM_CSRF'; + + /** + * The name of this form + */ + protected $formName; + + /** + * Whether the form has been sent + */ + protected $hasBeenSent; + + /** + * Whether the form has been sent + */ + protected $hasBeenSubmitted; + + /** + * The submit caption, element - still tbd + */ + // protected $submit; + + /** + * Our request + */ + protected $request; + + /** + * @var ?Url + */ + protected $successUrl; + + protected $successMessage; + + protected $submitLabel; + + protected $submitButtonName; + + protected $deleteButtonName; + + protected $fakeSubmitButtonName; + + /** + * Whether form elements have already been created + */ + protected $didSetup = false; + + protected $isApiRequest = false; + + public function __construct($options = null) + { + parent::__construct($options); + + $this->setMethod('post'); + $this->getActionFromRequest() + ->createIdElement() + ->regenerateCsrfToken() + ->setPreferredDecorators(); + } + + protected function getActionFromRequest() + { + $this->setAction(Url::fromRequest()); + return $this; + } + + protected function setPreferredDecorators() + { + $this->setAttrib('class', 'autofocus icinga-controls'); + $this->setDecorators( + array( + 'Description', + array('FormErrors', array('onlyCustomFormErrors' => true)), + 'FormElements', + 'Form' + ) + ); + + return $this; + } + + protected function addSubmitButtonIfSet() + { + if (false === ($label = $this->getSubmitLabel())) { + return; + } + + if ($this->submitButtonName && $el = $this->getElement($this->submitButtonName)) { + return; + } + + $el = $this->createElement('submit', $label) + ->setLabel($label) + ->setDecorators(array('ViewHelper')); + $this->submitButtonName = $el->getName(); + $this->addElement($el); + + $fakeEl = $this->createElement('submit', '_FAKE_SUBMIT') + ->setLabel($label) + ->setDecorators(array('ViewHelper')); + $this->fakeSubmitButtonName = $fakeEl->getName(); + $this->addElement($fakeEl); + + $this->addDisplayGroup( + array($this->fakeSubmitButtonName), + 'fake_button', + array( + 'decorators' => array('FormElements'), + 'order' => 1, + ) + ); + + $grp = array( + $this->submitButtonName, + $this->deleteButtonName + ); + $this->addDisplayGroup($grp, 'buttons', array( + 'decorators' => array( + 'FormElements', + array('HtmlTag', array('tag' => 'dl')), + 'DtDdWrapper', + ), + 'order' => 1000, + )); + } + + protected function addSimpleDisplayGroup($elements, $name, $options) + { + if (! array_key_exists('decorators', $options)) { + $options['decorators'] = array( + 'FormElements', + array('HtmlTag', array('tag' => 'dl')), + 'Fieldset', + ); + } + + return $this->addDisplayGroup($elements, $name, $options); + } + + protected function createIdElement() + { + $this->detectName(); + $this->addHidden(self::ID, $this->getName()); + $this->getElement(self::ID)->setIgnore(true); + return $this; + } + + public function getSentValue($name, $default = null) + { + $request = $this->getRequest(); + if ($request->isPost() && $this->hasBeenSent()) { + return $request->getPost($name); + } else { + return $default; + } + } + + public function getSubmitLabel() + { + if ($this->submitLabel === null) { + return $this->translate('Submit'); + } + + return $this->submitLabel; + } + + public function setSubmitLabel($label) + { + $this->submitLabel = $label; + return $this; + } + + public function setApiRequest($isApiRequest = true) + { + $this->isApiRequest = $isApiRequest; + return $this; + } + + public function isApiRequest() + { + return $this->isApiRequest; + } + + public function regenerateCsrfToken() + { + if (! $element = $this->getElement(self::CSRF)) { + $this->addHidden(self::CSRF, CsrfToken::generate()); + $element = $this->getElement(self::CSRF); + } + $element->setIgnore(true); + + return $this; + } + + public function removeCsrfToken() + { + $this->removeElement(self::CSRF); + return $this; + } + + public function setSuccessUrl($url, $params = null) + { + if (! $url instanceof Url) { + $url = Url::fromPath($url); + } + if ($params !== null) { + $url->setParams($params); + } + $this->successUrl = $url; + return $this; + } + + public function getSuccessUrl() + { + $url = $this->successUrl ?: $this->getAction(); + if (! $url instanceof Url) { + $url = Url::fromPath($url); + } + + return $url; + } + + protected function beforeSetup() + { + } + + public function setup() + { + } + + protected function onSetup() + { + } + + /** + * @param $action string|Url + * @return $this + */ + public function setAction($action) + { + if ($action instanceof Url) { + $action = $action->getAbsoluteUrl('&'); + } + + return parent::setAction($action); + } + + public function hasBeenSubmitted() + { + if ($this->hasBeenSubmitted === null) { + $req = $this->getRequest(); + if ($req->isPost()) { + if (! $this->hasSubmitButton()) { + return $this->hasBeenSubmitted = $this->hasBeenSent(); + } + + $this->hasBeenSubmitted = $this->pressedButton( + $this->fakeSubmitButtonName, + $this->getSubmitLabel() + ) || $this->pressedButton( + $this->submitButtonName, + $this->getSubmitLabel() + ); + } else { + $this->hasBeenSubmitted = false; + } + } + + return $this->hasBeenSubmitted; + } + + protected function hasSubmitButton() + { + return $this->submitButtonName !== null; + } + + protected function pressedButton($name, $label) + { + $req = $this->getRequest(); + if (! $req->isPost()) { + return false; + } + + $req = $this->getRequest(); + $post = $req->getPost(); + + return array_key_exists($name, $post) + && $post[$name] === $label; + } + + protected function beforeValidation($data = array()) + { + } + + public function prepareElements() + { + if (! $this->didSetup) { + $this->beforeSetup(); + $this->setup(); + $this->addSubmitButtonIfSet(); + $this->onSetup(); + $this->didSetup = true; + } + + return $this; + } + + public function handleRequest(Request $request = null) + { + if ($request === null) { + $request = $this->getRequest(); + } else { + $this->setRequest($request); + } + + $this->prepareElements(); + + if ($this->hasBeenSent()) { + $post = $request->getPost(); + if ($this->hasBeenSubmitted()) { + $this->beforeValidation($post); + if ($this->isValid($post)) { + try { + $this->onSuccess(); + } catch (Exception $e) { + $this->addException($e); + $this->onFailure(); + } + } else { + $this->onFailure(); + } + } else { + $this->setDefaults($post); + } + } else { + // Well... + } + + return $this; + } + + public function addException(Exception $e, $elementName = null) + { + $file = preg_split('/[\/\\\]/', $e->getFile(), -1, PREG_SPLIT_NO_EMPTY); + $file = array_pop($file); + $msg = sprintf( + '%s (%s:%d)', + $e->getMessage(), + $file, + $e->getLine() + ); + + if ($el = $this->getElement($elementName)) { + $el->addError($msg); + } else { + $this->addError($msg); + } + } + + public function onSuccess() + { + $this->redirectOnSuccess(); + } + + public function setSuccessMessage($message) + { + $this->successMessage = $message; + return $this; + } + + public function getSuccessMessage($message = null) + { + if ($message !== null) { + return $message; + } + if ($this->successMessage === null) { + return t('Form has successfully been sent'); + } + return $this->successMessage; + } + + public function redirectOnSuccess($message = null) + { + if ($this->isApiRequest()) { + // TODO: Set the status line message? + $this->successMessage = $this->getSuccessMessage($message); + return; + } + + $url = $this->getSuccessUrl(); + $this->notifySuccess($this->getSuccessMessage($message)); + $this->redirectAndExit($url); + } + + public function onFailure() + { + } + + public function notifySuccess($message = null) + { + if ($message === null) { + $message = t('Form has successfully been sent'); + } + Notification::success($message); + return $this; + } + + public function notifyError($message) + { + Notification::error($message); + return $this; + } + + protected function redirectAndExit($url) + { + /** @var Web $app */ + $app = Icinga::app(); + /** @var Response $response */ + $response = $app->getFrontController()->getResponse(); + $response->redirectAndExit($url); + } + + protected function setHttpResponseCode($code) + { + /** @var Web $app */ + $app = Icinga::app(); + $app->getFrontController()->getResponse()->setHttpResponseCode($code); + return $this; + } + + protected function onRequest() + { + } + + public function setRequest(Request $request) + { + if ($this->request !== null) { + throw new ProgrammingError('Unable to set request twice'); + } + + $this->request = $request; + $this->prepareElements(); + $this->onRequest(); + return $this; + } + + /** + * @return Request + */ + public function getRequest() + { + if ($this->request === null) { + /** @var Web $app */ + $app = Icinga::app(); + /** @var Request $request */ + $request = $app->getFrontController()->getRequest(); + $this->setRequest($request); + } + return $this->request; + } + + public function hasBeenSent() + { + if ($this->hasBeenSent === null) { + if ($this->request === null) { + /** @var Web $app */ + $app = Icinga::app(); + $req = $app->getFrontController()->getRequest(); + } else { + $req = $this->request; + } + + /** @var Request $req */ + if ($req->isPost()) { + $post = $req->getPost(); + $this->hasBeenSent = array_key_exists(self::ID, $post) && + $post[self::ID] === $this->getName(); + } else { + $this->hasBeenSent = false; + } + } + + return $this->hasBeenSent; + } + + protected function detectName() + { + if ($this->formName !== null) { + $this->setName($this->formName); + } else { + $this->setName(get_class($this)); + } + } +} |