/**
* Add a field
*
* Supports a field instance or a config array, in that case a new
* field instance wil be created based on the options.
*
* @throws InvalidArgumentException
* @param Field|array $field
* @return self Provides fluent interface
*/
public function addField($field)
{
if (is_array($field)) {
$field = new Field($field);
}
$key = $field->getKey();
if (0 === strlen($key)) {
throw new InvalidArgumentException('A field must have a key value');
}
//double add calls for the same field are ignored, but non-unique keys cause an exception
//@todo add trigger_error with a notice for double add calls?
if (array_key_exists($key, $this->fields) && $this->fields[$key] !== $field) {
throw new InvalidArgumentException('A field must have a unique key value');
} else {
$this->fields[$key] = $field;
}
return $this;
}
public function testSetAndGetKey()
{
$this->field->setKey('testkey');
$this->assertEquals('testkey', $this->field->getKey());
}
