protected function doPreSave(Doctrine_Record $record, sfForm $form)
{
// loop through relations
if ($relations = $form->getOption('dynamic_relations')) {
foreach ($relations as $field => $config) {
$collection = $record->get($config['relation']->getAlias());
// collect form objects for comparison
$search = array();
foreach ($form->getEmbeddedForm($field)->getEmbeddedForms() as $i => $embed) {
$search[] = $embed->getObject();
}
foreach ($collection as $i => $object) {
if (false === ($pos = array_search($object, $search, true))) {
// if a related object exists in the record but isn't represented
// in the form, the reference has been removed
$collection->remove($i);
// if the foreign column is a notnull columns, delete the object
$column = $config['relation']->getTable()->getColumnDefinition($config['relation']->getForeignColumnName());
if ($object->exists() && isset($column['notnull']) && $column['notnull']) {
$object->delete();
}
}
}
}
}
}
protected function doPreSave(Doctrine_Record $record, sfForm $form)
{
// loop through relations
if ($relations = $form->getOption('dynamic_relations')) {
foreach ($relations as $field => $config) {
$collection = $record->get($config['relation']->getAlias());
// collect form objects for comparison
$search = array();
try {
foreach ($form->getEmbeddedForm($field)->getEmbeddedForms() as $i => $embed) {
$search[] = $embed->getObject();
}
} catch (InvalidArgumentException $e) {
// previously embedded form was removed at the end of form.filter_values as there were no values for it.
// @see sfDoctrineDynamicFormRelations::correctValidators()
}
foreach ($collection as $i => $object) {
$pos = array_search($object, $search, true);
if (false === $pos && $this->filterObject($object, $config['arguments'])) {
// if a related object exists in the record but isn't represented
// in the form, the reference has been removed
$collection->remove($i);
// if the foreign column is a notnull columns, delete the object
$column = $config['relation']->getTable()->getColumnDefinition($config['relation']->getForeignColumnName());
if ($object->exists() && isset($column['notnull']) && $column['notnull']) {
$object->delete();
}
}
}
}
}
}
/**
* Does the actual embedding.
*
* This method is called when a relation is dynamically embedded during form
* configuration and again just before input values are validated.
*
* @param sfForm $form A form
* @param string $field A field name to use for embedding
* @param Doctrine_Collection|array $values An collection of values (objects or arrays) to use for embedding
*/
protected function doEmbed(sfForm $form, $field, $values)
{
$relations = $form->getOption('dynamic_relations');
$config = $relations[$field];
$r = new ReflectionClass($config['class']);
$parent = new BaseForm();
foreach ($values as $i => $value) {
if (is_object($value)) {
$child = $r->newInstanceArgs(array_merge(array($value), array($config['arguments'])));
} elseif (!empty($value['id'])) {
$child = $this->findEmbeddedFormById($form, $field, $value['id']);
if (!$child) {
throw new InvalidArgumentException(sprintf('Could not find a previously embedded form with id "%s".', $value['id']));
}
} else {
$object = $config['relation']->getTable()->create();
$object->fromArray($value);
$form->getObject()->get($config['relation']->getAlias())->add($object);
$child = $r->newInstanceArgs(array_merge(array($object), array($config['arguments'])));
}
// form must include PK widget
if (!isset($child['id'])) {
throw new LogicException(sprintf('The %s form must include an "id" field to be embedded as dynamic relation.', get_class($child)));
}
$parent->embedForm($i, $child);
}
// workaround embedding despite being bound
// this is why this class extends sfForm
$wasBound = $form->isBound;
$form->isBound = false;
$form->embedForm($field, $parent);
$form->isBound = $wasBound;
}
/**
* Returns the embedder form if any, false otherwise.
* So we can use this static method for basic sfForms
*
* @param sfForm $form
*/
public static function getFormEmbedder(sfForm $form)
{
return $form->getOption('embedder', false);
}
