Plugin implementation of the 'text_textfield' widget.
@Plugin(
id = "text_textfield",
module = "text",
label = @Translation("Text field"),
field_types = {
"text"
},
settings = {
"size" = "60",
"placeholder" = ""
}
)
Expanded class hierarchy of TextfieldWidget
class TextfieldWidget extends WidgetBase {
/**
* Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::settingsForm().
*/
public function settingsForm(array $form, array &$form_state) {
$element['size'] = array(
'#type' => 'number',
'#title' => t('Size of textfield'),
'#default_value' => $this
->getSetting('size'),
'#required' => TRUE,
'#min' => 1,
);
$element['placeholder'] = array(
'#type' => 'textfield',
'#title' => t('Placeholder'),
'#default_value' => $this
->getSetting('placeholder'),
'#description' => t('Text that will be shown inside the field until a value is entered. This hint is usually a sample value or a brief description of the expected format.'),
);
return $element;
}
/**
* Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::formElement().
*/
public function formElement(array $items, $delta, array $element, $langcode, array &$form, array &$form_state) {
$main_widget = $element + array(
'#type' => 'textfield',
'#default_value' => isset($items[$delta]['value']) ? $items[$delta]['value'] : NULL,
'#size' => $this
->getSetting('size'),
'#placeholder' => $this
->getSetting('placeholder'),
'#maxlength' => $this->field['settings']['max_length'],
'#attributes' => array(
'class' => array(
'text-full',
),
),
);
if ($this->instance['settings']['text_processing']) {
$element = $main_widget;
$element['#type'] = 'text_format';
$element['#format'] = isset($items[$delta]['format']) ? $items[$delta]['format'] : NULL;
$element['#base_type'] = $main_widget['#type'];
}
else {
$element['value'] = $main_widget;
}
return $element;
}
}