Re: [symfony-users] Symfony2 Form as a Standalone component
Hi Hari,
you can check how is it done in Silex:
https://github.com/fabpot/Silex/blob/master/src/Silex/Provider/FormServiceProvider.php
The controller method createFormBuilder translates to
public function createFormBuilder($data = null, array $options = array())
{
return $this->container->get('form.factory')->createBuilder('form',
$data, $options);
}
I guess you will also need to handle form binding yourself as you wont have
the right Request object.
public function bindRequest(Request $request)
{
// Store the bound data in case of a post request
switch ($request->getMethod()) {
case 'POST':
case 'PUT':
$data = array_replace_recursive(
$request->request->get($this->getName(), array()),
$request->files->get($this->getName(), array())
);
break;
case 'GET':
$data = $request->query->get($this->getName(), array());
break;
default:
throw new FormException(sprintf('The request method
"%s" is not supported', $request->getMethod()));
}
return $this->bind($data);
}
Hope that helps
Cheers
On Thu, Dec 1, 2011 at 8:36 PM, Hari K T wrote:
> Hi Guys ,
>
> I downloaded the Symfony2 Form components .
> I was looking how to create the form object .
> Is it the FormFactory , FormBuilder or anything else ?
>
> I looked the book
>
>
> http://symfony.com/doc/current/book/forms.html#book-form-creating-form-classes
>
> But its mainly on the Symfony controller .
>
> I guess I want to pass the Event Dispatcher Object , Validator Object etc
> to the Form object when creation
>
> But I am not sure where the entry point to the form is ..
>
> Wondering , so if someone can show me the right path , it may help me to
> go easily .
>
> Thanks
>
> --
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[symfony-users] Re: form from self-referencing object won't build
Hi Bart,
having `children` the same type as the parent starts an endless
recursion ( children like create another children which will create
another and so on ).
Easiest way to address this (tho maybe not optimal) is to create
another definition for the nested type.
On Jun 17, 9:02 am, Bart wrote:
> Hi everyone.
>
> I'm having a rather odd problem which I suspect is either a bug or
> more likely I'm trying to do things the wrong way.I'd appreciate if
> you can shed a little light on the proper way to address this. Let me
> describe the issue.
>
> We have a container with the following ORM definition:
> Container:
> type: entity
> table: container
> id:
> id:
> type: integer
> generator:
> strategy: AUTO
> fields:
> name:
> type: string
> length: 25
> oneToMany:
> children:
> targetEntity: Container
> mappedBy: parent
> manyToOne:
> parent:
> targetEntity: Container
> inversedBy: children
> joinColumn:
> name: parent_id
> referencedColumnName: id
>
> And a FormType which looks as follows:
> use
> Symfony\Component\Form\AbstractType,
> Symfony\Component\Form\FormBuilder
> ;
>
> class ContainerType extends AbstractType
> {
> public function buildForm(FormBuilder $builder, array $options)
> {
> $builder
> ->add('name', 'text')
> ->add('children', 'collection', array(
> 'type' => new ContainerType(),
> 'prototype' => false,
> 'allow_add' => true,
> 'allow_delete' => true, ));
>
> }
>
> }
>
> In the Controller we create a formBuilder by:
> $data = new Container();
> $form = $this->get('form.factory')->create(new
> ContainerType());
> $form->setData($data);
> etc...
>
> The form will crash with a:
> 'Fatal error: Maximum function nesting level of '100' reached,
> aborting! in /app/cache/dev/twig/15/ff/
> 401ed143a10a78a26e39b6e98c03.php on line 38'
> And a long stack trace showing the form recursing on itself.
>
> I looked at the code and I didn't see an easy way to stop the
> Container from rendering an infinite depth. What I'd really want is
> for it to throw out all the existing children from a parent but when a
> child does not exist not to create a prototype one
>
> Obviously the buildForm method calls "new ContainerType" so that would
> be at the root of the issue. However I can't seem to pass
> "\ContainerType" as type.
>
> Can anyone shed a light on the correct way to do this?
>
> Thanks!
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