/**
* Allow extra argument to specify option for not present.
*
* @param array $options options array
* @param string $not_present_label option to add if optional (e.g. 'Please select..')
* @return T_Form_Select fluent interface
*/
function setOptions(array $options, $not_present_label = null)
{
if (!is_null($not_present_label)) {
$this->no_input_key = 'not_present';
if (array_key_exists($this->no_input_key, $options)) {
throw new InvalidArgumentException("The key {$this->no_input_key} in options is reserved");
}
$options = array($this->no_input_key => $not_present_label) + $options;
// the 'plus' operator merges these two arrays, and importantly *maintains* any numeric keys
// while still putting the 'not present' label first. Either array_merge() and array_unshift()
// might re-index the array if used here.
} else {
$this->no_input_key = null;
}
parent::setOptions($options);
if (!is_null($this->no_input_key) && !$this->getDefault()) {
$this->setDefault($this->no_input_key);
// not present is default if other no already set
}
return $this;
}
/**
* Gets a new instance of the radio element.
*
* @param string $alias element alias
* @param string $label element label
* @return T_Form_Radio text input to test.
*/
function getInputElement($alias, $label)
{
$input = new T_Form_Radio($alias, $label);
$input->setOptions(array('value1' => 'Label 1', 'value2' => 'Label 2', 'value3' => 'Label 3'));
return $input;
}
/**
* Get the test element.
*
* @return T_Form_Text
*/
function getElement($name, $label)
{
$element = new T_Form_Radio($name, $label);
$element->setOptions(array('test' => '1', 'dave' => 'fred', 'swadg' => 'asdgf'));
return $element;
}
