PHP FormInterface::isRequired方法代码示例

 /**
  * {@inheritdoc}
  */
 public function buildView(FormView $view, FormInterface $form)
 {
     $name = $form->getName();
     $readOnly = $form->getAttribute('read_only');
     if ($view->hasParent()) {
         if ('' === $name) {
             throw new FormException('Form node with empty name can be used only as root form node.');
         }
         if ('' !== ($parentFullName = $view->getParent()->get('full_name'))) {
             $id = sprintf('%s_%s', $view->getParent()->get('id'), $name);
             $fullName = sprintf('%s[%s]', $parentFullName, $name);
         } else {
             $id = $name;
             $fullName = $name;
         }
         // Complex fields are read-only if themselves or their parent is.
         $readOnly = $readOnly || $view->getParent()->get('read_only');
     } else {
         $id = $name;
         $fullName = $name;
         // Strip leading underscores and digits. These are allowed in
         // form names, but not in HTML4 ID attributes.
         // http://www.w3.org/TR/html401/struct/global.html#adef-id
         $id = ltrim($id, '_0123456789');
     }
     $types = array();
     foreach ($form->getTypes() as $type) {
         $types[] = $type->getName();
     }
     $view->set('form', $view)->set('id', $id)->set('name', $name)->set('full_name', $fullName)->set('read_only', $readOnly)->set('errors', $form->getErrors())->set('value', $form->getClientData())->set('disabled', $form->isDisabled())->set('required', $form->isRequired())->set('max_length', $form->getAttribute('max_length'))->set('pattern', $form->getAttribute('pattern'))->set('size', null)->set('label', $form->getAttribute('label'))->set('multipart', false)->set('attr', $form->getAttribute('attr'))->set('types', $types)->set('translation_domain', $form->getAttribute('translation_domain'));
 }

 /**
  * {@inheritdoc}
  */
 public function isRequired()
 {
     if (null === $this->parent || $this->parent->isRequired()) {
         return $this->config->getRequired();
     }
     return false;
 }

 /**
  * {@inheritdoc}
  */
 public function buildView(FormView $view, FormInterface $form)
 {
     $name = $form->getName();
     if ($view->hasParent()) {
         if ('' === $name) {
             throw new FormException('Form node with empty name can be used only as root form node.');
         }
         if ('' !== ($parentFullName = $view->getParent()->get('full_name'))) {
             $id = sprintf('%s_%s', $view->getParent()->get('id'), $name);
             $fullName = sprintf('%s[%s]', $parentFullName, $name);
         } else {
             $id = $name;
             $fullName = $name;
         }
     } else {
         // If this form node have empty name, set id to `form`
         // to avoid rendering `id=""` in html structure
         $id = $name ?: 'form';
         $fullName = $name;
     }
     $types = array();
     foreach ($form->getTypes() as $type) {
         $types[] = $type->getName();
     }
     $view->set('form', $view)->set('id', $id)->set('name', $name)->set('full_name', $fullName)->set('errors', $form->getErrors())->set('value', $form->getClientData())->set('read_only', $form->isReadOnly())->set('required', $form->isRequired())->set('max_length', $form->getAttribute('max_length'))->set('pattern', $form->getAttribute('pattern'))->set('size', null)->set('label', $form->getAttribute('label'))->set('multipart', false)->set('attr', $form->getAttribute('attr'))->set('types', $types)->set('translation_domain', $form->getAttribute('translation_domain'));
 }

 public function buildView(FormView $view, FormInterface $form)
 {
     if ($view->hasParent()) {
         $parentId = $view->getParent()->get('id');
         $parentName = $view->getParent()->get('name');
         $id = sprintf('%s_%s', $parentId, $form->getName());
         $name = sprintf('%s[%s]', $parentName, $form->getName());
     } else {
         $id = $form->getName();
         $name = $form->getName();
     }
     $view->set('form', $view);
     $view->set('id', $id);
     $view->set('name', $name);
     $view->set('errors', $form->getErrors());
     $view->set('value', $form->getClientData());
     $view->set('read_only', $form->isReadOnly());
     $view->set('required', $form->isRequired());
     $view->set('max_length', $form->getAttribute('max_length'));
     $view->set('size', null);
     $view->set('label', $form->getAttribute('label'));
     $view->set('multipart', false);
     $view->set('attr', array());
     $types = array();
     foreach (array_reverse((array) $form->getTypes()) as $type) {
         $types[] = $type->getName();
     }
     $view->set('types', $types);
 }

 /**
  * Returns whether the form is required to be filled out.
  *
  * If the form has a parent and the parent is not required, this method
  * will always return false. Otherwise the value set with setRequired()
  * is returned.
  *
  * @return Boolean
  */
 public function isRequired()
 {
     if (null === $this->parent || $this->parent->isRequired()) {
         return $this->required;
     }
     return false;
 }

 /**
  * {@inheritdoc}
  */
 public function buildView(FormViewInterface $view, FormInterface $form, array $options)
 {
     $name = $form->getName();
     $blockName = $options['block_name'] ?: $form->getName();
     $readOnly = $options['read_only'];
     $translationDomain = $options['translation_domain'];
     if ($view->hasParent()) {
         if ('' === $name) {
             throw new FormException('Form node with empty name can be used only as root form node.');
         }
         $parentView = $view->getParent();
         if ('' !== ($parentFullName = $parentView->getVar('full_name'))) {
             $id = sprintf('%s_%s', $parentView->getVar('id'), $name);
             $fullName = sprintf('%s[%s]', $parentFullName, $name);
             $fullBlockName = sprintf('%s_%s', $parentView->getVar('full_block_name'), $blockName);
         } else {
             $id = $name;
             $fullName = $name;
             $fullBlockName = '_' . $blockName;
         }
         // Complex fields are read-only if they themselves or their parents are.
         if (!$readOnly) {
             $readOnly = $parentView->getVar('read_only');
         }
         if (!$translationDomain) {
             $translationDomain = $parentView->getVar('translation_domain');
         }
     } else {
         $id = $name;
         $fullName = $name;
         $fullBlockName = '_' . $blockName;
         // Strip leading underscores and digits. These are allowed in
         // form names, but not in HTML4 ID attributes.
         // http://www.w3.org/TR/html401/struct/global.html#adef-id
         $id = ltrim($id, '_0123456789');
     }
     $types = array();
     for ($type = $form->getConfig()->getType(); null !== $type; $type = $type->getParent()) {
         array_unshift($types, $type->getName());
     }
     if (!$translationDomain) {
         $translationDomain = 'messages';
     }
     $view->addVars(array('form' => $view, 'id' => $id, 'name' => $name, 'full_name' => $fullName, 'full_block_name' => $fullBlockName, 'read_only' => $readOnly, 'errors' => $form->getErrors(), 'valid' => $form->isBound() ? $form->isValid() : true, 'value' => $form->getViewData(), 'disabled' => $form->isDisabled(), 'required' => $form->isRequired(), 'max_length' => $options['max_length'], 'pattern' => $options['pattern'], 'size' => null, 'label' => $options['label'], 'multipart' => false, 'attr' => $options['attr'], 'label_attr' => $options['label_attr'], 'compound' => $form->getConfig()->getCompound(), 'types' => $types, 'translation_domain' => $translationDomain));
 }

    /**
     * {@inheritdoc}
     */
    public function buildView(FormView $view, FormInterface $form, array $options)
    {
        $name = $form->getName();
        $blockName = $options['block_name'] ?: $form->getName();
        $readOnly = $options['read_only'];
        $translationDomain = $options['translation_domain'];

        if ($view->parent) {
            if ('' === $name) {
                throw new Exception('Form node with empty name can be used only as root form node.');
            }

            if ('' !== ($parentFullName = $view->parent->vars['full_name'])) {
                $id = sprintf('%s_%s', $view->parent->vars['id'], $name);
                $fullName = sprintf('%s[%s]', $parentFullName, $name);
                $uniqueBlockPrefix = sprintf('%s_%s', $view->parent->vars['unique_block_prefix'], $blockName);
            } else {
                $id = $name;
                $fullName = $name;
                $uniqueBlockPrefix = '_' . $blockName;
            }

            // Complex fields are read-only if they themselves or their parents are.
            if (!$readOnly) {
                $readOnly = $view->parent->vars['read_only'];
            }

            if (!$translationDomain) {
                $translationDomain = $view->parent->vars['translation_domain'];
            }
        } else {
            $id = $name;
            $fullName = $name;
            $uniqueBlockPrefix = '_' . $blockName;

            // Strip leading underscores and digits. These are allowed in
            // form names, but not in HTML4 ID attributes.
            // http://www.w3.org/TR/html401/struct/global.html#adef-id
            $id = ltrim($id, '_0123456789');
        }

        $blockPrefixes = array();
        for ($type = $form->getConfig()->getType(); null !== $type; $type = $type->getParent()) {
            array_unshift($blockPrefixes, $type->getName());
        }
        $blockPrefixes[] = $uniqueBlockPrefix;

        if (!$translationDomain) {
            $translationDomain = 'messages';
        }

        $view->vars = array_replace($view->vars, array(
            'form'                => $view,
            'id'                  => $id,
            'name'                => $name,
            'full_name'           => $fullName,
            'read_only'           => $readOnly,
            'errors'              => $form->getErrors(),
            'valid'               => $form->isBound() ? $form->isValid() : true,
            'value'               => $form->getViewData(),
            'data'                => $form->getNormData(),
            'disabled'            => $form->isDisabled(),
            'required'            => $form->isRequired(),
            'max_length'          => $options['max_length'],
            'pattern'             => $options['pattern'],
            'size'                => null,
            'label'               => $options['label'],
            'multipart'           => false,
            'attr'                => $options['attr'],
            'label_attr'          => $options['label_attr'],
            'compound'            => $form->getConfig()->getCompound(),
            'block_prefixes'      => $blockPrefixes,
            'unique_block_prefix' => $uniqueBlockPrefix,
            'translation_domain'  => $translationDomain,
            // Using the block name here speeds up performance in collection
            // forms, where each entry has the same full block name.
            // Including the type is important too, because if rows of a
            // collection form have different types (dynamically), they should
            // be rendered differently.
            // https://github.com/symfony/symfony/issues/5038
            'cache_key'           => $uniqueBlockPrefix . '_' . $form->getConfig()->getType()->getName(),
        ));
    }