Returns true if the field accepts multiple values.
| public isMultiple ( ) : boolean | ||
| return | boolean | true if the field accepts multiple values, false otherwise |
public function testCheckboxes()
{
$node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name'));
$field = new ChoiceFormField($node);
$this->assertFalse($field->hasValue(), '->hasValue() returns false when the checkbox is not checked');
$this->assertNull($field->getValue(), '->getValue() returns null if the checkbox is not checked');
$this->assertFalse($field->isMultiple(), '->hasValue() returns false for checkboxes');
try {
$field->addChoice(new \DOMNode());
$this->fail('->addChoice() throws a \\LogicException for checkboxes');
} catch (\LogicException $e) {
$this->assertTrue(true, '->initialize() throws a \\LogicException for checkboxes');
}
$node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked'));
$field = new ChoiceFormField($node);
$this->assertTrue($field->hasValue(), '->hasValue() returns true when the checkbox is checked');
$this->assertEquals('1', $field->getValue(), '->getValue() returns 1 if the checkbox is checked and has no value attribute');
$node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked', 'value' => 'foo'));
$field = new ChoiceFormField($node);
$this->assertEquals('foo', $field->getValue(), '->getValue() returns the value attribute if the checkbox is checked');
$node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked', 'value' => 'foo'));
$field = new ChoiceFormField($node);
$field->setValue(false);
$this->assertNull($field->getValue(), '->setValue() unchecks the checkbox is value is false');
$field->setValue(true);
$this->assertEquals('foo', $field->getValue(), '->setValue() checks the checkbox is value is true');
try {
$field->setValue('bar');
$this->fail('->setValue() throws an \\InvalidArgumentException if the value is not one from the value attribute');
} catch (\InvalidArgumentException $e) {
$this->assertTrue(true, '->setValue() throws an \\InvalidArgumentException if the value is not one from the value attribute');
}
}
/**
* @param Crawler $nodes
* @return array|mixed|string
*/
protected function proceedGetValueFromField(Crawler $nodes)
{
$values = [];
if ($nodes->filter('textarea')->count()) {
return (new TextareaFormField($nodes->filter('textarea')->getNode(0)))->getValue();
}
if ($nodes->filter('input')->count()) {
$input = $nodes->filter('input');
if ($input->attr('type') == 'checkbox' or $input->attr('type') == 'radio') {
$values = [];
$input = $nodes->filter('input:checked');
foreach ($input as $checkbox) {
$values[] = $checkbox->getAttribute('value');
}
return $values;
}
return (new InputFormField($nodes->filter('input')->getNode(0)))->getValue();
}
if ($nodes->filter('select')->count()) {
$field = new ChoiceFormField($nodes->filter('select')->getNode(0));
$options = $nodes->filter('option[selected]');
foreach ($options as $option) {
$values[] = $option->getAttribute('value');
}
if (!$field->isMultiple()) {
return reset($values);
}
return $values;
}
$this->fail("Element {$nodes} is not a form field or does not contain a form field");
}
