class TimeElement in Time Field For Drupal 8.x / 9.x 8

Provides a time field form element.

Usage example:

$form['time'] = array(
  '#type' => 'time',
  '#title' => $this
    ->t('Time'),
  '#required' => TRUE,
);

Plugin annotation

@FormElement("time");

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Render\Element\RenderElement implements ElementInterface
      • class \Drupal\Core\Render\Element\FormElement implements FormElementInterface
        • class \Drupal\time_field\Element\TimeElement

2 #type uses of TimeElement

TimeRangeWidget::formElement in src/Plugin/Field/FieldWidget/TimeRangeWidget.php

Returns the form for a single field widget.

TimeWidget::formElement in src/Plugin/Field/FieldWidget/TimeWidget.php

File

src/Element/TimeElement.php, line 25

Namespace

Drupal\time_field\Element

class TimeElement extends FormElement {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    $class = get_class($this);
    return [
      '#show_seconds' => false,
      '#input' => TRUE,
      '#process' => [
        [
          $class,
          'processAjaxForm',
        ],
      ],
      '#pre_render' => [
        [
          $class,
          'preRenderTime',
        ],
      ],
      '#theme' => 'input__time',
      '#theme_wrappers' => [
        'form_element',
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
    if ($input === FALSE && !empty($element['#default_value'])) {
      $input = $element['#default_value'];
    }
    if (!empty($input)) {
      $time = Time::createFromHtml5Format($input);
      return $time
        ->getTimestamp();
    }
    return NULL;
  }

  /**
   * Prepares a #type 'time' render element for input.html.twig.
   *
   * @param array $element
   *   An associative array containing the properties of the element.
   *   Properties used: #title, #value, #description, #size, #maxlength,
   *   #placeholder, #required, #attributes.
   *
   * @return array
   *   The $element with prepared variables ready for input.html.twig.
   *
   * @see \Drupal\time_field\Plugin\Field\FieldWidget\TimeWidget::formElement()
   */
  public static function preRenderTime(array $element) {
    $element['#attributes']['type'] = 'time';
    $element['#attributes']['class'] = [
      'form-time',
    ];

    // In ajax request value is set to raw timestamp
    // perform a better solution here.
    $isValuePassedInTimestampFormat = preg_match('/^\\d+$/', $element['#value']);
    if ($isValuePassedInTimestampFormat) {
      $element['#value'] = Time::createFromTimestamp($element['#value'])
        ->formatForWidget($element['#show_seconds']);
    }
    Element::setAttributes($element, [
      'id',
      'name',
      'value',
      'size',
      'maxlength',
      'placeholder',
    ]);
    static::setAttributes($element, [
      'form-text',
    ]);
    return $element;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
FormElement::processAutocomplete	public static	function	Adds autocomplete functionality to elements.
FormElement::processPattern	public static	function	#process callback for #pattern form element property.
FormElement::validatePattern	public static	function	#element_validate callback for #pattern form element property.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object.	92
RenderElement::preRenderAjaxForm	public static	function	Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup	public static	function	Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm	public static	function	Form element processing handler for the #ajax form property.	1
RenderElement::processGroup	public static	function	Arranges elements into groups.
RenderElement::setAttributes	public static	function	Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
TimeElement::getInfo	public	function	Returns the element properties for this element. Overrides ElementInterface::getInfo
TimeElement::preRenderTime	public static	function	Prepares a #type 'time' render element for input.html.twig.
TimeElement::valueCallback	public static	function	Determines how user input is mapped to an element's #value property. Overrides FormElement::valueCallback