When a form is binded to some values, if the validation fail, all
cleaned values are lost.
Example :
MyForm extends sfForm
{
public function setup()
{
$this->widgetSchema = new sfWidgetFormSchema(array(
'contract' => sfWidgetFormSelect(array('choices' => new
sfCallable($this, 'getContracts'))),
'people' => sfWidgetFormSelectMany(array('choices' => new
sfCallable($this, 'getPeople')))
));
$this->validatorSchema = new sfValidatorSchema(array(
'contract' => new sfValidatorChoice(array('choices' => new
sfCallable($this, 'getContractsKeys'))),
'people' => new sfValidatorChoiceMany(array('choices' => new
sfCallable($this, 'getPeopleKeys')))
));
$this->widgetSchema->setNameFormat('form[%s]');
}
public function getContracts()
{
sfPropelFinder::from('Contract')->find();
}
public function getContractsKeys()
{
return array_keys($this->getContracts());
}
public function getPeople()
{
$contract = null;
if (isset($this->taintedValues['contract']))
{
$contract = $this->taintedValues['contract'];
// We have to validate the contract, even if it has already be
done, because cleaned values are lost ...
$validator = new sfValidatorChoice(array('choices' => new
sfCallable($this, 'getContractsKeys')));
try {
$contract = $validator->clean($contract);
} catch (sfValidatorError $e) {
$contract = null;
}
}
else if (isset($this->defaults['contract']))
{
$contract = $this->defaults['contract'];
// we guess that this is a valid value :)
}
if ($contract != null)
{
$people = sfPropelFinder::from('People')->where('ContractId',
$contract)->find();
$list = array();
foreach ($people as $person)
{
$list[$person->getId()] = $people->getFullName();
}
}
else
{
return array("Please choose a contract");
}
}
public function getPeopleKeys()
{
return array_keys($this->getPeople());
}
}
To re-render the form after a post, the validator for contract is
executed twice, and the validator for peope is executed one time.
Now imagine a lot of drop down list, all dependant each-other ...
argh, it does not scale ...
And in my project, I make call to webservices, so it is slower than
querying the database ...
Maybe I'm wrong.
If there is a better way to do this, could you show me an example
please ?
Otherwise, maybe it could be useful to keep cleaned values instead of
deleting them ? ...
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