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UPGRADE-2.0.md

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Upgrade from 1.x to 2.0

Action

  • Remove the form data as argument to method createForm.

    before:

     $form = $flow->createForm($formData);

    after:

     $form = $flow->createForm();

  • Add the form as argument to method saveCurrentStepData.

    before:

     $flow->saveCurrentStepData();

    after:

     $flow->saveCurrentStepData($form);

Events

  • The current step number won't be determined by the time PostBindSavedDataEvent is dispatched. So PostBindFlowEvent has been added and should be used instead of PostBindSavedDataEvent for code which needs to access the current step number.

Flow

  • Add method getName. Let it return the same value getName does for your form type to continue working with the same validation groups.

     public function getName() {
 	return 'createVehicle';
 }

  • Remove property maxSteps and method loadStepDescriptions. Replace them with methods setFormType and loadStepsConfig. Add option flowStep to method getFormOptions.

    before:

     protected $maxSteps = 3;

 protected function loadStepDescriptions() {
 	return array(
 		'wheels',
 		'engine',
 		'confirmation',
 	);
 }

    after:

     use Symfony\Component\Form\FormTypeInterface;

 /**
  * @var FormTypeInterface
  */
 protected $formType;

 public function setFormType(FormTypeInterface $formType) {
 	$this->formType = $formType;
 }

 protected function loadStepsConfig() {
 	return array(
 		array(
 			'label' => 'wheels',
 			'type' => $this->formType,
 		),
 		array(
 			'label' => 'engine',
 			'type' => $this->formType,
 		),
 		array(
 			'label' => 'confirmation',
 			'type' => $this->formType,
 		),
 	);
 }

 public function getFormOptions($step, array $options = array()) {
 	$options = parent::getFormOptions($step, $options);

 	$options['flowStep'] = $step;

 	return $options;
 }

  • Method getFormOptions doesn't receive the form data as an argument anymore. You have to get it if needed. Also, step-based options don't necessarily also need to be available for all subsequent steps anymore.

    before:

     public function getFormOptions($formData, $step, array $options = array()) {
 	$options = parent::getFormOptions($formData, $step, $options);

 	if ($step > 1) {
 		$options['numberOfWheels'] = $formData->getNumberOfWheels();
 	}

 	return $options;
 }

    after:

     public function getFormOptions($step, array $options = array()) {
 	$options = parent::getFormOptions($step, $options);

 	$formData = $this->getFormData();

 	if ($step === 2) { // if you need this option only for step 2
 		$options['numberOfWheels'] = $formData->getNumberOfWheels();
 	}

 	return $options;
 }

  • Some methods have been renamed to make more clear what they do.

    • getMaxSteps to getStepCount
    • getCurrentStep to getCurrentStepNumber
    • getCurrentStepDescription to getCurrentStepLabel
    • getStepDescriptions to getStepLabels
    • getFirstStep to getFirstStepNumber
    • getLastStep to getLastStepNumber
    • hasSkipStep to isStepSkipped
    • getRequestedStep to getRequestedStepNumber
    • determineCurrentStep to determineCurrentStepNumber

  • One method has been made protected.

    • applySkipping

  • Some methods' signatures have changed in several ways.

    • public function createForm($formData, array $options = array()) to public function createForm(array $options = array())
    • public function getFormOptions($formData, $step, array $options = array()) to public function getFormOptions($step, array $options = array())
    • public function determineCurrentStep() to protected function determineCurrentStepNumber()
    • public function getRequestedStep() to protected function getRequestedStepNumber()
    • protected function createFormForStep($formData, $step, array $options = array()) to protected function createFormForStep($stepNumber, array $options = array())
    • public function saveCurrentStepData() to public function saveCurrentStepData(FormInterface $form)
    • public function applyDataFromSavedSteps($formData, array $options = array()) to protected function applyDataFromSavedSteps()

  • Some methods have been removed.

    • setFormType/getFormType
    • setMaxSteps
    • setCurrentStep
    • addSkipStep/removeSkipStep
    • loadStepDescriptions

  • Some properties have been renamed and/or made private. Use their public accessors instead.

    • id: setId/getId
    • formStepKey: setFormStepKey/getFormStepKey
    • formTransitionKey: setFormTransitionKey/getFormTransitionKey
    • stepDataKey: setStepDataKey/getStepDataKey
    • validationGroupPrefix: setValidationGroupPrefix/getValidationGroupPrefix
    • maxSteps: getStepCount
    • stepDescriptions: getStepLabels
    • currentStep: getCurrentStepNumber
    • request: getRequest

  • Some properties have been removed.

    • formType
    • skipSteps

  • After calling nextStep, now the method getCurrentStepNumber won't return a value greater than what getStepCount returns. This used to be different in 1.x, where getCurrentStep returned getMaxSteps() + 1 in case the flow is finished.

Template

  • Block craue_flow_stepDescription has been renamed to craue_flow_stepLabel and the variable it accesses has been renamed from stepDescription to stepLabel.

    before:

     {{ block('craue_flow_stepDescription') }}

    after:

     {{ block('craue_flow_stepLabel') }}

    before:

     {% block craue_flow_stepDescription %}
 	<span>{{ stepDescription | trans }}</span>
 {% endblock %}

    after:

     {% block craue_flow_stepLabel %}
 	<span>{{ stepLabel | trans }}</span>
 {% endblock %}