[Form] ObjectChoiceList now compares choices by their value, if a value path is given
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@ -11,6 +11,8 @@ CHANGELOG
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* [BC BREAK] added two optional parameters to FormInterface::getErrors() and
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changed the method to return a Symfony\Component\Form\FormErrorIterator
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instance instead of an array
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* ObjectChoiceList now compares choices by their value, if a value path is
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given
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2.4.0
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-----
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@ -41,14 +41,14 @@ class ChoiceList implements ChoiceListInterface
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*
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* @var array
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*/
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private $choices = array();
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protected $choices = array();
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/**
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* The choice values with the indices of the matching choices as keys.
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*
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* @var array
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*/
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private $values = array();
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protected $values = array();
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/**
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* The preferred view objects as hierarchy containing also the choice groups
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@ -148,6 +148,80 @@ class ObjectChoiceList extends ChoiceList
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parent::initialize($choices, $labels, $preferredChoices);
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}
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/**
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* {@inheritdoc}
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*/
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public function getValuesForChoices(array $choices)
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{
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if (!$this->valuePath) {
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return parent::getValuesForChoices($choices);
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}
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// Use the value path to compare the choices
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$choices = $this->fixChoices($choices);
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$values = array();
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foreach ($choices as $i => $givenChoice) {
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// Ignore non-readable choices
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if (!is_object($givenChoice) && !is_array($givenChoice)) {
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continue;
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}
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$givenValue = (string) $this->propertyAccessor->getValue($givenChoice, $this->valuePath);
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foreach ($this->values as $value) {
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if ($value === $givenValue) {
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$values[$i] = $value;
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unset($choices[$i]);
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if (0 === count($choices)) {
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break 2;
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}
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}
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}
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}
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return $values;
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}
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/**
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* {@inheritdoc}
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*
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* @deprecated Deprecated since version 2.4, to be removed in 3.0.
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*/
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public function getIndicesForChoices(array $choices)
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{
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if (!$this->valuePath) {
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return parent::getIndicesForChoices($choices);
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}
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// Use the value path to compare the choices
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$choices = $this->fixChoices($choices);
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$indices = array();
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foreach ($choices as $i => $givenChoice) {
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// Ignore non-readable choices
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if (!is_object($givenChoice) && !is_array($givenChoice)) {
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continue;
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}
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$givenValue = (string) $this->propertyAccessor->getValue($givenChoice, $this->valuePath);
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foreach ($this->values as $j => $value) {
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if ($value === $givenValue) {
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$indices[$i] = $j;
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unset($choices[$i]);
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if (0 === count($choices)) {
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break 2;
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}
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}
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}
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}
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return $indices;
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}
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/**
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* Creates a new unique value for this choice.
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*
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@ -185,6 +185,119 @@ class ObjectChoiceListTest extends AbstractChoiceListTest
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);
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}
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public function testGetIndicesForChoicesWithValuePath()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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// Compare by value, not by identity
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$choices = array(clone $this->obj1, clone $this->obj2);
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$this->assertSame(array($this->index1, $this->index2), $this->list->getIndicesForChoices($choices));
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}
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public function testGetIndicesForChoicesWithValuePathPreservesKeys()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(5 => clone $this->obj1, 8 => clone $this->obj2);
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$this->assertSame(array(5 => $this->index1, 8 => $this->index2), $this->list->getIndicesForChoices($choices));
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}
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public function testGetIndicesForChoicesWithValuePathPreservesOrder()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(clone $this->obj2, clone $this->obj1);
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$this->assertSame(array($this->index2, $this->index1), $this->list->getIndicesForChoices($choices));
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}
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public function testGetIndicesForChoicesWithValuePathIgnoresNonExistingChoices()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(clone $this->obj1, clone $this->obj2, 'foobar');
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$this->assertSame(array($this->index1, $this->index2), $this->list->getIndicesForChoices($choices));
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}
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public function testGetValuesForChoicesWithValuePath()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(clone $this->obj1, clone $this->obj2);
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$this->assertSame(array('A', 'B'), $this->list->getValuesForChoices($choices));
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}
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public function testGetValuesForChoicesWithValuePathPreservesKeys()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(5 => clone $this->obj1, 8 => clone $this->obj2);
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$this->assertSame(array(5 => 'A', 8 => 'B'), $this->list->getValuesForChoices($choices));
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}
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public function testGetValuesForChoicesWithValuePathPreservesOrder()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(clone $this->obj2, clone $this->obj1);
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$this->assertSame(array('B', 'A'), $this->list->getValuesForChoices($choices));
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}
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public function testGetValuesForChoicesWithValuePathIgnoresNonExistingChoices()
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{
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$this->list = new ObjectChoiceList(
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array($this->obj1, $this->obj2, $this->obj3, $this->obj4),
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'name',
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array(),
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null,
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'name'
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);
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$choices = array(clone $this->obj1, clone $this->obj2, 'foobar');
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$this->assertSame(array('A', 'B'), $this->list->getValuesForChoices($choices));
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}
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/**
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* @return \Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface
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*/
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