FormType default input value in same form

Question

I have an Entity named Task and build a Symfony TaskType.php for the form. It is my aim to set the endDate datetime field by default to the input of the startDate datime field (which is required).

I tried this, but it doesn't work.

$builder->add('name');
    $builder->add('startDate', 'datetime');
    $builder->add('endDate', 'datetime', array(
        'empty_value' => array('year' => 'Year', 'month' => 'Month', 'day' => 'Day'),
        'required' => false,
        'data' => isset($options['data']) ? $options['data']->getEndDate() : $options['data']->getStartDate(),

    ));

Exception:

An exception occurred while executing 'INSERT INTO Task (name, startDate, endDate) VALUES (?, ?, ?)' with params {"1":"test","2":"2013-03-30 00:00:00","3":null}:

SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'endDate' cannot be null 500 Internal Server Error - DBALException 1 linked Exception:

PDOException »

Could you be a bit more specific than 'it doesn't work'? How does it not work? Error message, unexpected behavior? Unfortunately most of us don't have the benefit of the force to help understand cryptic error descriptions like this :) — vascowhite
– vascowhite, Commented Mar 24, 2013 at 14:37
Well, there's your answer in the error message. You are trying to insert a null value into a column that is not allowed to contain null. — vascowhite
– vascowhite, Commented Mar 24, 2013 at 16:32
Yes, but i don't know how to retrieve the startDate data into the endDate data. — ChrisS
– ChrisS, Commented Mar 24, 2013 at 17:03

Dmytro Krasun · Accepted Answer · 2013-03-24 21:24:08Z

3

Yes, of course it doesn't work. I recommend to read about how form works, if you have no time you can just read this "cheatsheet" - http://blog.stfalcon.com/wp-content/uploads/2012/01/how_symfony2_forms_works.pdf.

You can set the value after data was set. For example, try:

$form->bindRequest($request); 
// now you can get data and set 
$form->get('endDate')->setData($form->get('startDate')->getData());

Hope, it helps.

answered Mar 24, 2013 at 21:24

Dmytro Krasun

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1 Comment

ChrisS Over a year ago

thanks, but when i set the data after the bindRequest i get a "You cannot change the data of a bound form "

Javier Seixas · Accepted Answer · 2013-03-27 01:20:42Z

0

You can also set the values in your entity class when it is instantiated:

class Task
{
    protected $startDate;
    protected $endDate;

    public function __construct($startDate)
    {
        $this->startDate = $startDate;
        $this->endDate = $startDate;
    }
}

answered Mar 27, 2013 at 1:20

Javier Seixas

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2 Comments

ChrisS Over a year ago

thanks, but when i go to my Route addTask , i get the "Missing argument 1 for Task\AppBundle\Entity\Task::__constructor ... " exception, because he don't get the $startdate value, how to handle that?

ChrisS Over a year ago

And when i put for example $task = new Task(new \DateTime('NOW')); in my TaskController, I can open the addTask Route, but when i flush the form data to the database, the endDate has only the new DateTime values instead of the releaseDate form data

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