class TextForm in Examples for Developers 3.x
A simple form that displays a textfield and submit button.
This form will be rendered by theme('form') (theme_form() by default) because we do not provide a theme function for it here.
Hierarchy
- class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\theming_example\Form\TextForm
Expanded class hierarchy of TextForm
1 string reference to 'TextForm'
- theming_example.routing.yml in modules/
theming_example/ theming_example.routing.yml - modules/theming_example/theming_example.routing.yml
File
- modules/
theming_example/ src/ Form/ TextForm.php, line 16
Namespace
Drupal\theming_example\FormView source
class TextForm extends FormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'theming_example_form_text';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$form['text'] = [
'#type' => 'textfield',
'#title' => $this
->t('Please input something!'),
'#required' => TRUE,
];
$form['submit'] = [
'#type' => 'submit',
'#value' => $this
->t('Go'),
];
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$this
->messenger()
->addMessage($this
->t('You chose %input', [
'%input' => $form_state
->getValue('text'),
]));
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
DependencySerializationTrait:: |
protected | property | ||
DependencySerializationTrait:: |
protected | property | ||
DependencySerializationTrait:: |
public | function | 2 | |
DependencySerializationTrait:: |
public | function | 2 | |
FormBase:: |
protected | property | The config factory. | 3 |
FormBase:: |
protected | property | The request stack. | 1 |
FormBase:: |
protected | property | The route match. | |
FormBase:: |
protected | function | Retrieves a configuration object. | |
FormBase:: |
protected | function | Gets the config factory for this form. | 3 |
FormBase:: |
private | function | Returns the service container. | |
FormBase:: |
public static | function |
Instantiates a new instance of this class. Overrides ContainerInjectionInterface:: |
105 |
FormBase:: |
protected | function | Gets the current user. | |
FormBase:: |
protected | function | Gets the request object. | |
FormBase:: |
protected | function | Gets the route match. | |
FormBase:: |
protected | function | Gets the logger for a specific channel. | |
FormBase:: |
protected | function | Returns a redirect response object for the specified route. | |
FormBase:: |
public | function | Resets the configuration factory. | |
FormBase:: |
public | function | Sets the config factory for this form. | |
FormBase:: |
public | function | Sets the request stack object to use. | |
FormBase:: |
public | function |
Form validation handler. Overrides FormInterface:: |
72 |
LoggerChannelTrait:: |
protected | property | The logger channel factory service. | |
LoggerChannelTrait:: |
protected | function | Gets the logger for a specific channel. | |
LoggerChannelTrait:: |
public | function | Injects the logger channel factory. | |
MessengerTrait:: |
protected | property | The messenger. | 27 |
MessengerTrait:: |
public | function | Gets the messenger. | 27 |
MessengerTrait:: |
public | function | Sets the messenger. | |
RedirectDestinationTrait:: |
protected | property | The redirect destination service. | 1 |
RedirectDestinationTrait:: |
protected | function | Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url. | |
RedirectDestinationTrait:: |
protected | function | Returns the redirect destination service. | |
RedirectDestinationTrait:: |
public | function | Sets the redirect destination service. | |
StringTranslationTrait:: |
protected | property | The string translation service. | 4 |
StringTranslationTrait:: |
protected | function | Formats a string containing a count of items. | |
StringTranslationTrait:: |
protected | function | Returns the number of plurals supported by a given language. | |
StringTranslationTrait:: |
protected | function | Gets the string translation service. | |
StringTranslationTrait:: |
public | function | Sets the string translation service to use. | 2 |
StringTranslationTrait:: |
protected | function | Translates a string to the current language or to a given language. | |
TextForm:: |
public | function |
Form constructor. Overrides FormInterface:: |
|
TextForm:: |
public | function |
Returns a unique string identifying the form. Overrides FormInterface:: |
|
TextForm:: |
public | function |
Form submission handler. Overrides FormInterface:: |