function DependentDropdown::getSecondDropdownOptions
Same name in other branches
- 8.x-1.x ajax_example/src/Form/DependentDropdown.php \Drupal\ajax_example\Form\DependentDropdown::getSecondDropdownOptions()
- 4.0.x modules/ajax_example/src/Form/DependentDropdown.php \Drupal\ajax_example\Form\DependentDropdown::getSecondDropdownOptions()
Helper function to populate the second dropdown.
This would normally be pulling data from the database.
Parameters
string $key: This will determine which set of options is returned.
Return value
array Dropdown options
1 call to DependentDropdown::getSecondDropdownOptions()
- DependentDropdown::buildForm in modules/
ajax_example/ src/ Form/ DependentDropdown.php - The $nojs parameter is specified as a path parameter on the route.
File
-
modules/
ajax_example/ src/ Form/ DependentDropdown.php, line 224
Class
- DependentDropdown
- Re-populate a dropdown based on form state.
Namespace
Drupal\ajax_example\FormCode
public static function getSecondDropdownOptions($key = '') {
switch ($key) {
case 'String':
$options = [
'Violin' => 'Violin',
'Viola' => 'Viola',
'Cello' => 'Cello',
'Double Bass' => 'Double Bass',
];
break;
case 'Woodwind':
$options = [
'Flute' => 'Flute',
'Clarinet' => 'Clarinet',
'Oboe' => 'Oboe',
'Bassoon' => 'Bassoon',
];
break;
case 'Brass':
$options = [
'Trumpet' => 'Trumpet',
'Trombone' => 'Trombone',
'French Horn' => 'French Horn',
'Euphonium' => 'Euphonium',
];
break;
case 'Percussion':
$options = [
'Bass Drum' => 'Bass Drum',
'Timpani' => 'Timpani',
'Snare Drum' => 'Snare Drum',
'Tambourine' => 'Tambourine',
];
break;
default:
$options = [
'none' => 'none',
];
break;
}
return $options;
}