icingaweb2/library/Icinga/Web/Form.php

1646 lines
46 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web;
use Zend_Config;
use Zend_Form;
use Zend_Form_Element;
use Zend_View_Interface;
use Icinga\Application\Icinga;
use Icinga\Authentication\Auth;
use Icinga\Exception\ProgrammingError;
use Icinga\Security\SecurityException;
use Icinga\Util\Translator;
use Icinga\Web\Form\ErrorLabeller;
use Icinga\Web\Form\Decorator\Autosubmit;
use Icinga\Web\Form\Element\CsrfCounterMeasure;
/**
* Base class for forms providing CSRF protection, confirmation logic and auto submission
*
* @method \Zend_Form_Element[] getElements() {
* {@inheritdoc}
* @return \Zend_Form_Element[]
* }
*/
class Form extends Zend_Form
{
/**
* The suffix to append to a field's hidden default field name
*/
const DEFAULT_SUFFIX = '_default';
/**
* Identifier for notifications of type error
*/
const NOTIFICATION_ERROR = 0;
/**
* Identifier for notifications of type warning
*/
const NOTIFICATION_WARNING = 1;
/**
* Identifier for notifications of type info
*/
const NOTIFICATION_INFO = 2;
/**
* Whether this form has been created
*
* @var bool
*/
protected $created = false;
/**
* This form's parent
*
* Gets automatically set upon calling addSubForm().
*
* @var Form
*/
protected $_parent;
/**
* Whether the form is an API target
*
* When the form is an API target, the form evaluates as submitted if the request method equals the form method.
* That means, that the submit button and form identification are not taken into account. In addition, the CSRF
* counter measure will not be added to the form's elements.
*
* @var bool
*/
protected $isApiTarget = false;
/**
* The request associated with this form
*
* @var Request
*/
protected $request;
/**
* The callback to call instead of Form::onSuccess()
*
* @var callable
*/
protected $onSuccess;
/**
* Label to use for the standard submit button
*
* @var string
*/
protected $submitLabel;
/**
* Label to use for showing the user an activity indicator when submitting the form
*
* @var string
*/
protected $progressLabel;
/**
* The url to redirect to upon success
*
* @var Url
*/
protected $redirectUrl;
/**
* The view script to use when rendering this form
*
* @var string
*/
protected $viewScript;
/**
* Whether this form should NOT add random generated "challenge" tokens that are associated with the user's current
* session in order to prevent Cross-Site Request Forgery (CSRF). It is the form's responsibility to verify the
* existence and correctness of this token
*
* @var bool
*/
protected $tokenDisabled = false;
/**
* Name of the CSRF token element
*
* @var string
*/
protected $tokenElementName = 'CSRFToken';
/**
* Whether this form should add a UID element being used to distinct different forms posting to the same action
*
* @var bool
*/
protected $uidDisabled = false;
/**
* Name of the form identification element
*
* @var string
*/
protected $uidElementName = 'formUID';
/**
* Whether the form should validate the sent data when being automatically submitted
*
* @var bool
*/
protected $validatePartial = false;
/**
* Whether element ids will be protected against collisions by appending a request-specific unique identifier
*
* @var bool
*/
protected $protectIds = true;
/**
* The cue that is appended to each element's label if it's required
*
* @var string
*/
protected $requiredCue = '*';
/**
* The descriptions of this form
*
* @var array
*/
protected $descriptions;
/**
* The notifications of this form
*
* @var array
*/
protected $notifications;
/**
* The hints of this form
*
* @var array
*/
protected $hints;
/**
* Whether the Autosubmit decorator should be applied to this form
*
* If this is true, the Autosubmit decorator is being applied to this form instead of to each of its elements.
*
* @var bool
*/
protected $useFormAutosubmit = false;
/**
* Authentication manager
*
* @var Auth|null
*/
private $auth;
/**
* Default element decorators
*
* @var array
*/
public static $defaultElementDecorators = array(
array('Label', array('tag'=>'span', 'separator' => '', 'class' => 'control-label')),
array('Help', array('placement' => 'APPEND')),
array(array('labelWrap' => 'HtmlTag'), array('tag' => 'div', 'class' => 'control-label-group')),
array('ViewHelper', array('separator' => '')),
array('Errors', array('separator' => '')),
array('HtmlTag', array('tag' => 'div', 'class' => 'control-group'))
);
/**
* (non-PHPDoc)
* @see \Zend_Form::construct() For the method documentation.
*/
public function __construct($options = null)
{
// Zend's plugin loader reverses the order of added prefix paths thus trying our paths first before trying
// Zend paths
$this->addPrefixPaths(array(
array(
'prefix' => 'Icinga\\Web\\Form\\Element\\',
'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Element'),
'type' => static::ELEMENT
),
array(
'prefix' => 'Icinga\\Web\\Form\\Decorator\\',
'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Decorator'),
'type' => static::DECORATOR
)
));
parent::__construct($options);
}
/**
* Set this form's parent
*
* @param Form $form
*
* @return $this
*/
public function setParent(Form $form)
{
$this->_parent = $form;
return $this;
}
/**
* Return this form's parent
*
* @return Form
*/
public function getParent()
{
return $this->_parent;
}
/**
* Set a callback that is called instead of this form's onSuccess method
*
* It is called using the following signature: (Form $this).
*
* @param callable $onSuccess Callback
*
* @return $this
*
* @throws ProgrammingError If the callback is not callable
*/
public function setOnSuccess($onSuccess)
{
if (! is_callable($onSuccess)) {
throw new ProgrammingError('The option `onSuccess\' is not callable');
}
$this->onSuccess = $onSuccess;
return $this;
}
/**
* Set the label to use for the standard submit button
*
* @param string $label The label to use for the submit button
*
* @return $this
*/
public function setSubmitLabel($label)
{
$this->submitLabel = $label;
return $this;
}
/**
* Return the label being used for the standard submit button
*
* @return string
*/
public function getSubmitLabel()
{
return $this->submitLabel;
}
/**
* Set the label to use for showing the user an activity indicator when submitting the form
*
* @param string $label
*
* @return $this
*/
public function setProgressLabel($label)
{
$this->progressLabel = $label;
return $this;
}
/**
* Return the label to use for showing the user an activity indicator when submitting the form
*
* @return string
*/
public function getProgressLabel()
{
return $this->progressLabel;
}
/**
* Set the url to redirect to upon success
*
* @param string|Url $url The url to redirect to
*
* @return $this
*
* @throws ProgrammingError In case $url is neither a string nor a instance of Icinga\Web\Url
*/
public function setRedirectUrl($url)
{
if (is_string($url)) {
$url = Url::fromPath($url, array(), $this->getRequest());
} elseif (! $url instanceof Url) {
throw new ProgrammingError('$url must be a string or instance of Icinga\Web\Url');
}
$this->redirectUrl = $url;
return $this;
}
/**
* Return the url to redirect to upon success
*
* @return Url
*/
public function getRedirectUrl()
{
if ($this->redirectUrl === null) {
$this->redirectUrl = $this->getRequest()->getUrl();
if ($this->getMethod() === 'get') {
// Be sure to remove all form dependent params because we do not want to submit it again
$this->redirectUrl = $this->redirectUrl->without(array_keys($this->getElements()));
}
}
return $this->redirectUrl;
}
/**
* Set the view script to use when rendering this form
*
* @param string $viewScript The view script to use
*
* @return $this
*/
public function setViewScript($viewScript)
{
$this->viewScript = $viewScript;
return $this;
}
/**
* Return the view script being used when rendering this form
*
* @return string
*/
public function getViewScript()
{
return $this->viewScript;
}
/**
* Disable CSRF counter measure and remove its field if already added
*
* @param bool $disabled Set true in order to disable CSRF protection for this form, otherwise false
*
* @return $this
*/
public function setTokenDisabled($disabled = true)
{
$this->tokenDisabled = (bool) $disabled;
if ($disabled && $this->getElement($this->tokenElementName) !== null) {
$this->removeElement($this->tokenElementName);
}
return $this;
}
/**
* Return whether CSRF counter measures are disabled for this form
*
* @return bool
*/
public function getTokenDisabled()
{
return $this->tokenDisabled;
}
/**
* Set the name to use for the CSRF element
*
* @param string $name The name to set
*
* @return $this
*/
public function setTokenElementName($name)
{
$this->tokenElementName = $name;
return $this;
}
/**
* Return the name of the CSRF element
*
* @return string
*/
public function getTokenElementName()
{
return $this->tokenElementName;
}
/**
* Disable form identification and remove its field if already added
*
* @param bool $disabled Set true in order to disable identification for this form, otherwise false
*
* @return $this
*/
public function setUidDisabled($disabled = true)
{
$this->uidDisabled = (bool) $disabled;
if ($disabled && $this->getElement($this->uidElementName) !== null) {
$this->removeElement($this->uidElementName);
}
return $this;
}
/**
* Return whether identification is disabled for this form
*
* @return bool
*/
public function getUidDisabled()
{
return $this->uidDisabled;
}
/**
* Set the name to use for the form identification element
*
* @param string $name The name to set
*
* @return $this
*/
public function setUidElementName($name)
{
$this->uidElementName = $name;
return $this;
}
/**
* Return the name of the form identification element
*
* @return string
*/
public function getUidElementName()
{
return $this->uidElementName;
}
/**
* Set whether this form should validate the sent data when being automatically submitted
*
* @param bool $state
*
* @return $this
*/
public function setValidatePartial($state)
{
$this->validatePartial = $state;
return $this;
}
/**
* Return whether this form should validate the sent data when being automatically submitted
*
* @return bool
*/
public function getValidatePartial()
{
return $this->validatePartial;
}
/**
* Set whether each element's id should be altered to avoid duplicates
*
* @param bool $value
*
* @return Form
*/
public function setProtectIds($value = true)
{
$this->protectIds = (bool) $value;
return $this;
}
/**
* Return whether each element's id is being altered to avoid duplicates
*
* @return bool
*/
public function getProtectIds()
{
return $this->protectIds;
}
/**
* Set the cue to append to each element's label if it's required
*
* @param string $cue
*
* @return Form
*/
public function setRequiredCue($cue)
{
$this->requiredCue = $cue;
return $this;
}
/**
* Return the cue being appended to each element's label if it's required
*
* @return string
*/
public function getRequiredCue()
{
return $this->requiredCue;
}
/**
* Set the descriptions for this form
*
* @param array $descriptions
*
* @return Form
*/
public function setDescriptions(array $descriptions)
{
$this->descriptions = $descriptions;
return $this;
}
/**
* Add a description for this form
*
* If $description is an array the second value should be
* an array as well containing additional HTML properties.
*
* @param string|array $description
*
* @return Form
*/
public function addDescription($description)
{
$this->descriptions[] = $description;
return $this;
}
/**
* Return the descriptions of this form
*
* @return array
*/
public function getDescriptions()
{
if ($this->descriptions === null) {
return array();
}
return $this->descriptions;
}
/**
* Set the notifications for this form
*
* @param array $notifications
*
* @return $this
*/
public function setNotifications(array $notifications)
{
$this->notifications = $notifications;
return $this;
}
/**
* Add a notification for this form
*
* If $notification is an array the second value should be
* an array as well containing additional HTML properties.
*
* @param string|array $notification
* @param int $type
*
* @return $this
*/
public function addNotification($notification, $type)
{
$this->notifications[$type][] = $notification;
return $this;
}
/**
* Return the notifications of this form
*
* @return array
*/
public function getNotifications()
{
if ($this->notifications === null) {
return array();
}
return $this->notifications;
}
/**
* Set the hints for this form
*
* @param array $hints
*
* @return $this
*/
public function setHints(array $hints)
{
$this->hints = $hints;
return $this;
}
/**
* Add a hint for this form
*
* If $hint is an array the second value should be an
* array as well containing additional HTML properties.
*
* @param string|array $hint
*
* @return $this
*/
public function addHint($hint)
{
$this->hints[] = $hint;
return $this;
}
/**
* Return the hints of this form
*
* @return array
*/
public function getHints()
{
if ($this->hints === null) {
return array();
}
return $this->hints;
}
/**
* Set whether the Autosubmit decorator should be applied to this form
*
* If true, the Autosubmit decorator is being applied to this form instead of to each of its elements.
*
* @param bool $state
*
* @return Form
*/
public function setUseFormAutosubmit($state = true)
{
$this->useFormAutosubmit = (bool) $state;
if ($this->useFormAutosubmit) {
$this->setAttrib('data-progress-element', 'header-' . $this->getId());
} else {
$this->removeAttrib('data-progress-element');
}
return $this;
}
/**
* Return whether the Autosubmit decorator is being applied to this form
*
* @return bool
*/
public function getUseFormAutosubmit()
{
return $this->useFormAutosubmit;
}
/**
* Get whether the form is an API target
*
* @return bool
*/
public function getIsApiTarget()
{
return $this->isApiTarget;
}
/**
* Set whether the form is an API target
*
* @param bool $isApiTarget
*
* @return $this
*/
public function setIsApiTarget($isApiTarget = true)
{
$this->isApiTarget = (bool) $isApiTarget;
return $this;
}
/**
* Create this form
*
* @param array $formData The data sent by the user
*
* @return $this
*/
public function create(array $formData = array())
{
if (! $this->created) {
$this->createElements($formData);
$this->addFormIdentification()
->addCsrfCounterMeasure()
->addSubmitButton();
// Use Form::getAttrib() instead of Form::getAction() here because we want to explicitly check against
// null. Form::getAction() would return the empty string '' if the action is not set.
// For not setting the action attribute use Form::setAction(''). This is required for for the
// accessibility's enable/disable auto-refresh mechanic
if ($this->getAttrib('action') === null) {
$action = $this->getRequest()->getUrl();
if ($this->getMethod() === 'get') {
$action = $action->without(array_keys($this->getElements()));
}
// TODO(el): Re-evalute this necessity.
// JavaScript could use the container'sURL if there's no action set.
// We MUST set an action as JS gets confused otherwise, if
// this form is being displayed in an additional column
$this->setAction($action);
}
$this->created = true;
}
return $this;
}
/**
* Create and add elements to this form
*
* Intended to be implemented by concrete form classes.
*
* @param array $formData The data sent by the user
*/
public function createElements(array $formData)
{
}
/**
* Perform actions after this form was submitted using a valid request
*
* Intended to be implemented by concrete form classes. The base implementation returns always FALSE.
*
* @return null|bool Return FALSE in case no redirect should take place
*/
public function onSuccess()
{
return false;
}
/**
* Perform actions when no form dependent data was sent
*
* Intended to be implemented by concrete form classes.
*/
public function onRequest()
{
}
/**
* Add a submit button to this form
*
* Uses the label previously set with Form::setSubmitLabel(). Overwrite this
* method in order to add multiple submit buttons or one with a custom name.
*
* @return $this
*/
public function addSubmitButton()
{
$submitLabel = $this->getSubmitLabel();
if ($submitLabel) {
$this->addElement(
'submit',
'btn_submit',
array(
'ignore' => true,
'label' => $submitLabel,
'data-progress-label' => $this->getProgressLabel(),
'decorators' => array(
'ViewHelper',
array('Spinner', array('separator' => '')),
array('HtmlTag', array('tag' => 'div', 'class' => 'control-group form-controls'))
)
)
);
}
return $this;
}
/**
* Add a subform
*
* @param Zend_Form $form The subform to add
* @param string $name The name of the subform or null to use the name of $form
* @param int $order The location where to insert the form
*
* @return Zend_Form
*/
public function addSubForm(Zend_Form $form, $name = null, $order = null)
{
if ($form instanceof self) {
$form->setDecorators(array('FormElements')); // TODO: Makes it difficult to customise subform decorators..
$form->setSubmitLabel('');
$form->setTokenDisabled();
$form->setUidDisabled();
$form->setParent($this);
}
if ($name === null) {
$name = $form->getName();
}
return parent::addSubForm($form, $name, $order);
}
/**
* Create a new element
*
* Icinga Web 2 loads its own default element decorators. For loading Zend's default element decorators set the
* `disableLoadDefaultDecorators' option to any other value than `true'. For loading custom element decorators use
* the 'decorators' option.
*
* @param string $type The type of the element
* @param string $name The name of the element
* @param mixed $options The options for the element
*
* @return Zend_Form_Element
*
* @see Form::$defaultElementDecorators For Icinga Web 2's default element decorators.
*/
public function createElement($type, $name, $options = null)
{
if ($options !== null) {
if ($options instanceof Zend_Config) {
$options = $options->toArray();
}
if (! isset($options['decorators'])
&& ! array_key_exists('disabledLoadDefaultDecorators', $options)
) {
$options['decorators'] = static::$defaultElementDecorators;
if (! isset($options['data-progress-label']) && ($type === 'submit'
|| ($type === 'button' && isset($options['type']) && $options['type'] === 'submit'))
) {
array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
} elseif ($type === 'hidden') {
$options['decorators'] = array('ViewHelper');
}
}
} else {
$options = array('decorators' => static::$defaultElementDecorators);
if ($type === 'submit') {
array_splice($options['decorators'], 1, 0, array(array('Spinner', array('separator' => ''))));
} elseif ($type === 'hidden') {
$options['decorators'] = array('ViewHelper');
}
}
$el = parent::createElement($type, $name, $options);
$el->setTranslator(new ErrorLabeller(array('element' => $el)));
$el->addPrefixPaths(array(
array(
'prefix' => 'Icinga\\Web\\Form\\Validator\\',
'path' => Icinga::app()->getLibraryDir('Icinga/Web/Form/Validator'),
'type' => $el::VALIDATE
)
));
if ($this->protectIds) {
$el->setAttrib('id', $this->getRequest()->protectId($this->getId(false) . '_' . $el->getId()));
}
if ($el->getAttrib('autosubmit')) {
if ($this->getUseFormAutosubmit()) {
$warningId = 'autosubmit_warning_' . $el->getId();
$warningText = $this->getView()->escape($this->translate(
'This page will be automatically updated upon change of the value'
));
$autosubmitDecorator = $this->_getDecorator('Callback', array(
'placement' => 'PREPEND',
'callback' => function ($content) use ($warningId, $warningText) {
return '<span class="sr-only" id="' . $warningId . '">' . $warningText . '</span>';
}
));
} else {
$autosubmitDecorator = new Autosubmit();
$autosubmitDecorator->setAccessible();
$warningId = $autosubmitDecorator->getWarningId($el);
}
$decorators = $el->getDecorators();
$pos = array_search('Zend_Form_Decorator_ViewHelper', array_keys($decorators), true) + 1;
$el->setDecorators(
array_slice($decorators, 0, $pos, true)
+ array('autosubmit' => $autosubmitDecorator)
+ array_slice($decorators, $pos, count($decorators) - $pos, true)
);
if (($describedBy = $el->getAttrib('aria-describedby')) !== null) {
$el->setAttrib('aria-describedby', $describedBy . ' ' . $warningId);
} else {
$el->setAttrib('aria-describedby', $warningId);
}
$class = $el->getAttrib('class');
if (is_array($class)) {
$class[] = 'autosubmit';
} elseif ($class === null) {
$class = 'autosubmit';
} else {
$class .= ' autosubmit';
}
$el->setAttrib('class', $class);
unset($el->autosubmit);
}
if ($el->getAttrib('preserveDefault')) {
$el->addDecorator(
array('preserveDefault' => 'HtmlTag'),
array(
'tag' => 'input',
'type' => 'hidden',
'name' => $name . static::DEFAULT_SUFFIX,
'value' => $el->getValue()
)
);
unset($el->preserveDefault);
}
return $this->ensureElementAccessibility($el);
}
/**
* Add accessibility related attributes
*
* @param Zend_Form_Element $element
*
* @return Zend_Form_Element
*/
public function ensureElementAccessibility(Zend_Form_Element $element)
{
if ($element->isRequired() && strpos(strtolower($element->getType()), 'checkbox') === false) {
$element->setAttrib('aria-required', 'true'); // ARIA
$element->setAttrib('required', ''); // HTML5
if (($cue = $this->getRequiredCue()) !== null && ($label = $element->getDecorator('label')) !== false) {
$element->setLabel($this->getView()->escape($element->getLabel()));
$label->setOption('escape', false);
$label->setRequiredSuffix(sprintf(' <span aria-hidden="true">%s</span>', $cue));
}
}
if ($element->getDescription() !== null && ($help = $element->getDecorator('help')) !== false) {
if (($describedBy = $element->getAttrib('aria-describedby')) !== null) {
// Assume that it's because of the element being of type autosubmit or
// that one who did set the property manually removes the help decorator
// in case it has already an aria-describedby property set
$element->setAttrib(
'aria-describedby',
$help->setAccessible()->getDescriptionId($element) . ' ' . $describedBy
);
} else {
$element->setAttrib('aria-describedby', $help->setAccessible()->getDescriptionId($element));
}
}
return $element;
}
/**
* Add a field with a unique and form specific ID
*
* @return $this
*/
public function addFormIdentification()
{
if (! $this->uidDisabled && $this->getElement($this->uidElementName) === null) {
$this->addElement(
'hidden',
$this->uidElementName,
array(
'ignore' => true,
'value' => $this->getName(),
'decorators' => array('ViewHelper')
)
);
}
return $this;
}
/**
* Add CSRF counter measure field to this form
*
* @return $this
*/
public function addCsrfCounterMeasure()
{
if (! $this->tokenDisabled) {
$request = $this->getRequest();
if (! $request->isXmlHttpRequest()
&& ($this->getIsApiTarget() || $request->isApiRequest())
) {
return $this;
}
if ($this->getElement($this->tokenElementName) === null) {
$this->addElement(new CsrfCounterMeasure($this->tokenElementName));
}
}
return $this;
}
/**
* {@inheritdoc}
*
* Creates the form if not created yet.
*
* @param array $values
*
* @return $this
*/
public function setDefaults(array $values)
{
$this->create($values);
return parent::setDefaults($values);
}
/**
* Populate the elements with the given values
*
* @param array $defaults The values to populate the elements with
*
* @return $this
*/
public function populate(array $defaults)
{
$this->create($defaults);
$this->preserveDefaults($this, $defaults);
return parent::populate($defaults);
}
/**
* Recurse the given form and unset all unchanged default values
*
* @param Zend_Form $form
* @param array $defaults
*/
protected function preserveDefaults(Zend_Form $form, array & $defaults)
{
foreach ($form->getElements() as $name => $element) {
if ((array_key_exists($name, $defaults)
&& array_key_exists($name . static::DEFAULT_SUFFIX, $defaults)
&& $defaults[$name] === $defaults[$name . static::DEFAULT_SUFFIX])
|| $element->getAttrib('disabled')
) {
unset($defaults[$name]);
}
}
foreach ($form->getSubForms() as $_ => $subForm) {
$this->preserveDefaults($subForm, $defaults);
}
}
/**
* Process the given request using this form
*
* Redirects to the url set with setRedirectUrl() upon success. See onSuccess()
* and onRequest() wherewith you can customize the processing logic.
*
* @param Request $request The request to be processed
*
* @return Request The request supposed to be processed
*/
public function handleRequest(Request $request = null)
{
if ($request === null) {
$request = $this->getRequest();
} else {
$this->request = $request;
}
$formData = $this->getRequestData();
if ($this->getIsApiTarget() || $this->getUidDisabled() || $this->wasSent($formData)) {
if (($frameUpload = (bool) $request->getUrl()->shift('_frameUpload', false))) {
$this->getView()->layout()->setLayout('wrapped');
}
$this->populate($formData); // Necessary to get isSubmitted() to work
if (! $this->getSubmitLabel() || $this->isSubmitted()) {
if ($this->isValid($formData)
&& (($this->onSuccess !== null && false !== call_user_func($this->onSuccess, $this))
|| ($this->onSuccess === null && false !== $this->onSuccess()))
) {
if ($this->getIsApiTarget() || $this->getRequest()->isApiRequest()) {
// API targets and API requests will never redirect but immediately respond w/ JSON-encoded
// notifications
$notifications = Notification::getInstance()->popMessages();
$message = null;
foreach ($notifications as $notification) {
if ($notification->type === Notification::SUCCESS) {
$message = $notification->message;
break;
}
}
$this->getResponse()->json()
->setSuccessData($message !== null ? array('message' => $message) : null)
->sendResponse();
} elseif (! $frameUpload) {
$this->getResponse()->redirectAndExit($this->getRedirectUrl());
} else {
$this->getView()->layout()->redirectUrl = $this->getRedirectUrl()->getAbsoluteUrl();
}
} elseif ($this->getIsApiTarget()) {
$this->getResponse()->json()->setFailData($this->getMessages())->sendResponse();
}
} elseif ($this->getValidatePartial()) {
// The form can't be processed but we may want to show validation errors though
$this->isValidPartial($formData);
}
} else {
$this->onRequest();
}
return $request;
}
/**
* Return whether the submit button of this form was pressed
*
* When overwriting Form::addSubmitButton() be sure to overwrite this method as well.
*
* @return bool True in case it was pressed, False otherwise or no submit label was set
*/
public function isSubmitted()
{
if (strtolower($this->getRequest()->getMethod()) !== $this->getMethod()) {
return false;
}
if ($this->getIsApiTarget()) {
return true;
}
if ($this->getSubmitLabel()) {
return $this->getElement('btn_submit')->isChecked();
}
return false;
}
/**
* Return whether the data sent by the user refers to this form
*
* Ensures that the correct form gets processed in case there are multiple forms
* with equal submit button names being posted against the same route.
*
* @param array $formData The data sent by the user
*
* @return bool Whether the given data refers to this form
*/
public function wasSent(array $formData)
{
return isset($formData[$this->uidElementName]) && $formData[$this->uidElementName] === $this->getName();
}
/**
* Return whether the given values (possibly incomplete) are valid
*
* Unlike Zend_Form::isValid() this will not set NULL as value for
* an element that is not present in the given data.
*
* @param array $formData The data to validate
*
* @return bool
*/
public function isValidPartial(array $formData)
{
$this->create($formData);
foreach ($this->getElements() as $name => $element) {
if (array_key_exists($name, $formData)) {
if ($element->getAttrib('disabled')) {
// Ensure that disabled elements are not overwritten
// (http://www.zendframework.com/issues/browse/ZF-6909)
$formData[$name] = $element->getValue();
} elseif (array_key_exists($name . static::DEFAULT_SUFFIX, $formData)
&& $formData[$name] === $formData[$name . static::DEFAULT_SUFFIX]
) {
unset($formData[$name]);
}
}
}
return parent::isValidPartial($formData);
}
/**
* Return whether the given values are valid
*
* @param array $formData The data to validate
*
* @return bool
*/
public function isValid($formData)
{
$this->create($formData);
// Ensure that disabled elements are not overwritten (http://www.zendframework.com/issues/browse/ZF-6909)
foreach ($this->getElements() as $name => $element) {
if ($element->getAttrib('disabled')) {
$formData[$name] = $element->getValue();
}
}
return parent::isValid($formData);
}
/**
* Remove all elements of this form
*
* @return self
*/
public function clearElements()
{
$this->created = false;
return parent::clearElements();
}
/**
* Load the default decorators
*
* Overwrites Zend_Form::loadDefaultDecorators to avoid having
* the HtmlTag-Decorator added and to provide view script usage
*
* @return $this
*/
public function loadDefaultDecorators()
{
if ($this->loadDefaultDecoratorsIsDisabled()) {
return $this;
}
$decorators = $this->getDecorators();
if (empty($decorators)) {
if ($this->viewScript) {
$this->addDecorator('ViewScript', array(
'viewScript' => $this->viewScript,
'form' => $this
));
} else {
$this->addDecorator('Description', array('tag' => 'h1'));
if ($this->getUseFormAutosubmit()) {
$this->getDecorator('Description')->setEscape(false);
$this->addDecorator(
'HtmlTag',
array(
'tag' => 'div',
'class' => 'header',
'id' => 'header-' . $this->getId()
)
);
}
$this->addDecorator('FormDescriptions')
->addDecorator('FormNotifications')
->addDecorator('FormErrors', array('onlyCustomFormErrors' => true))
->addDecorator('FormElements')
->addDecorator('FormHints')
//->addDecorator('HtmlTag', array('tag' => 'dl', 'class' => 'zend_form'))
->addDecorator('Form');
}
}
return $this;
}
/**
* Get element id
*
* Returns the protected id, in case id protection is enabled.
*
* @param bool $protect
*
* @return string
*/
public function getId($protect = true)
{
$id = parent::getId();
return $protect && $this->protectIds ? $this->getRequest()->protectId($id) : $id;
}
/**
* Return the name of this form
*
* @return string
*/
public function getName()
{
$name = parent::getName();
if (! $name) {
$name = get_class($this);
$this->setName($name);
$name = parent::getName();
}
return $name;
}
/**
* Retrieve form description
*
* This will return the escaped description with the autosubmit warning icon if form autosubmit is enabled.
*
* @return string
*/
public function getDescription()
{
$description = parent::getDescription();
if ($description && $this->getUseFormAutosubmit()) {
$autosubmit = $this->_getDecorator('Autosubmit', array('accessible' => true));
$autosubmit->setElement($this);
$description = $autosubmit->render($this->getView()->escape($description));
}
return $description;
}
/**
* Set the action to submit this form against
*
* Note that if you'll pass a instance of URL, Url::getAbsoluteUrl('&') is called to set the action.
*
* @param Url|string $action
*
* @return $this
*/
public function setAction($action)
{
if ($action instanceof Url) {
$action = $action->getAbsoluteUrl('&');
}
return parent::setAction($action);
}
/**
* Set form description
*
* Alias for Zend_Form::setDescription().
*
* @param string $value
*
* @return Form
*/
public function setTitle($value)
{
return $this->setDescription($value);
}
/**
* Return the request associated with this form
*
* Returns the global request if none has been set for this form yet.
*
* @return Request
*/
public function getRequest()
{
if ($this->request === null) {
$this->request = Icinga::app()->getRequest();
}
return $this->request;
}
/**
* Set the request
*
* @param Request $request
*
* @return $this
*/
public function setRequest(Request $request)
{
$this->request = $request;
return $this;
}
/**
* Return the current Response
*
* @return Response
*/
public function getResponse()
{
return Icinga::app()->getFrontController()->getResponse();
}
/**
* Return the request data based on this form's request method
*
* @return array
*/
protected function getRequestData()
{
if (strtolower($this->request->getMethod()) === $this->getMethod()) {
return $this->request->{'get' . ($this->request->isPost() ? 'Post' : 'Query')}();
}
return array();
}
/**
* Get the translation domain for this form
*
* The returned translation domain is either determined based on this form's qualified name or it is the default
* 'icinga' domain
*
* @return string
*/
protected function getTranslationDomain()
{
$parts = explode('\\', get_called_class());
if (count($parts) > 1 && $parts[1] === 'Module') {
// Assume format Icinga\Module\ModuleName\Forms\...
return strtolower($parts[2]);
}
return 'icinga';
}
/**
* Translate a string
*
* @param string $text The string to translate
* @param string|null $context Optional parameter for context based translation
*
* @return string The translated string
*/
protected function translate($text, $context = null)
{
return Translator::translate($text, $this->getTranslationDomain(), $context);
}
/**
* Translate a plural string
*
* @param string $textSingular The string in singular form to translate
* @param string $textPlural The string in plural form to translate
* @param integer $number The amount to determine from whether to return singular or plural
* @param string|null $context Optional parameter for context based translation
*
* @return string The translated string
*/
protected function translatePlural($textSingular, $textPlural, $number, $context = null)
{
return Translator::translatePlural(
$textSingular,
$textPlural,
$number,
$this->getTranslationDomain(),
$context
);
}
/**
* Render this form
*
* @param Zend_View_Interface $view The view context to use
*
* @return string
*/
public function render(Zend_View_Interface $view = null)
{
$this->create();
return parent::render($view);
}
/**
* Get the authentication manager
*
* @return Auth
*/
public function Auth()
{
if ($this->auth === null) {
$this->auth = Auth::getInstance();
}
return $this->auth;
}
/**
* Whether the current user has the given permission
*
* @param string $permission Name of the permission
*
* @return bool
*/
public function hasPermission($permission)
{
return $this->Auth()->hasPermission($permission);
}
/**
* Assert that the current user has the given permission
*
* @param string $permission Name of the permission
*
* @throws SecurityException If the current user lacks the given permission
*/
public function assertPermission($permission)
{
if (! $this->Auth()->hasPermission($permission)) {
throw new SecurityException('No permission for %s', $permission);
}
}
/**
* Add a error notification
*
* @param string|array $message The notification message
* @param bool $markAsError Whether to prevent the form from being successfully validated or not
*
* @return $this
*/
public function error($message, $markAsError = true)
{
if ($this->getIsApiTarget()) {
$this->addErrorMessage($message);
} else {
$this->addNotification($message, self::NOTIFICATION_ERROR);
}
if ($markAsError) {
$this->markAsError();
}
return $this;
}
/**
* Add a warning notification
*
* @param string|array $message The notification message
* @param bool $markAsError Whether to prevent the form from being successfully validated or not
*
* @return $this
*/
public function warning($message, $markAsError = true)
{
if ($this->getIsApiTarget()) {
$this->addErrorMessage($message);
} else {
$this->addNotification($message, self::NOTIFICATION_WARNING);
}
if ($markAsError) {
$this->markAsError();
}
return $this;
}
/**
* Add a info notification
*
* @param string|array $message The notification message
* @param bool $markAsError Whether to prevent the form from being successfully validated or not
*
* @return $this
*/
public function info($message, $markAsError = true)
{
if ($this->getIsApiTarget()) {
$this->addErrorMessage($message);
} else {
$this->addNotification($message, self::NOTIFICATION_INFO);
}
if ($markAsError) {
$this->markAsError();
}
return $this;
}
}