class ImageButton
Same name and namespace in other branches
- 8.9.x core/lib/Drupal/Core/Render/Element/ImageButton.php \Drupal\Core\Render\Element\ImageButton
- 10 core/lib/Drupal/Core/Render/Element/ImageButton.php \Drupal\Core\Render\Element\ImageButton
- 11.x core/lib/Drupal/Core/Render/Element/ImageButton.php \Drupal\Core\Render\Element\ImageButton
Provides a form element for a submit button with an image.
Plugin annotation
@FormElement("image_button");
Hierarchy
- class \Drupal\Component\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait implements \Drupal\Component\Plugin\PluginBase
- class \Drupal\Core\Render\Element\RenderElement extends \Drupal\Core\Render\Element\ElementInterface implements \Drupal\Core\Plugin\PluginBase
- class \Drupal\Core\Render\Element\FormElement extends \Drupal\Core\Render\Element\FormElementInterface implements \Drupal\Core\Render\Element\RenderElement
- class \Drupal\Core\Render\Element\Button implements \Drupal\Core\Render\Element\FormElement
- class \Drupal\Core\Render\Element\Submit implements \Drupal\Core\Render\Element\Button
- class \Drupal\Core\Render\Element\ImageButton implements \Drupal\Core\Render\Element\Submit
- class \Drupal\Core\Render\Element\Submit implements \Drupal\Core\Render\Element\Button
- class \Drupal\Core\Render\Element\Button implements \Drupal\Core\Render\Element\FormElement
- class \Drupal\Core\Render\Element\FormElement extends \Drupal\Core\Render\Element\FormElementInterface implements \Drupal\Core\Render\Element\RenderElement
- class \Drupal\Core\Render\Element\RenderElement extends \Drupal\Core\Render\Element\ElementInterface implements \Drupal\Core\Plugin\PluginBase
- class \Drupal\Core\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait implements \Drupal\Component\Plugin\PluginBase
Expanded class hierarchy of ImageButton
3 #type uses of ImageButton
- AjaxFormsTestImageButtonForm::buildForm in core/
modules/ system/ tests/ modules/ ajax_forms_test/ src/ Form/ AjaxFormsTestImageButtonForm.php - Form constructor.
- EntityDisplayFormBase::buildFieldRow in core/
modules/ field_ui/ src/ Form/ EntityDisplayFormBase.php - Builds the table row structure for a single field.
- FormTestDisabledElementsForm::buildForm in core/
modules/ system/ tests/ modules/ form_test/ src/ Form/ FormTestDisabledElementsForm.php - Form constructor.
File
-
core/
lib/ Drupal/ Core/ Render/ Element/ ImageButton.php, line 13
Namespace
Drupal\Core\Render\ElementView source
class ImageButton extends Submit {
/**
* {@inheritdoc}
*/
public function getInfo() {
$info = parent::getInfo();
unset($info['name']);
return [
'#return_value' => TRUE,
'#has_garbage_value' => TRUE,
'#src' => NULL,
'#theme_wrappers' => [
'input__image_button',
],
] + $info;
}
/**
* {@inheritdoc}
*/
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
if ($input !== FALSE) {
if (!empty($input)) {
// If we're dealing with Mozilla or Opera, we're lucky. It will
// return a proper value, and we can get on with things.
return $element['#return_value'];
}
else {
// Unfortunately, in IE we never get back a proper value for THIS
// form element. Instead, we get back two split values: one for the
// X and one for the Y coordinates on which the user clicked the
// button. We'll find this element in the #post data, and search
// in the same spot for its name, with '_x'.
$input = $form_state->getUserInput();
foreach (explode('[', $element['#name']) as $element_name) {
// chop off the ] that may exist.
if (substr($element_name, -1) == ']') {
$element_name = substr($element_name, 0, -1);
}
if (!isset($input[$element_name])) {
if (isset($input[$element_name . '_x'])) {
return $element['#return_value'];
}
return NULL;
}
$input = $input[$element_name];
}
return $element['#return_value'];
}
}
}
/**
* {@inheritdoc}
*/
public static function preRenderButton($element) {
$element['#attributes']['type'] = 'image';
Element::setAttributes($element, [
'id',
'name',
'value',
]);
$element['#attributes']['src'] = \Drupal::service('file_url_generator')->generateString($element['#src']);
if (!empty($element['#title'])) {
$element['#attributes']['alt'] = $element['#title'];
$element['#attributes']['title'] = $element['#title'];
}
$element['#attributes']['class'][] = 'image-button';
if (!empty($element['#button_type'])) {
$element['#attributes']['class'][] = 'image-button--' . $element['#button_type'];
}
$element['#attributes']['class'][] = 'js-form-submit';
$element['#attributes']['class'][] = 'form-submit';
if (!empty($element['#attributes']['disabled'])) {
$element['#attributes']['class'][] = 'is-disabled';
}
return $element;
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides |
---|---|---|---|---|---|
Button::processButton | public static | function | Processes a form button element. | ||
DependencySerializationTrait::$_entityStorages | protected | property | An array of entity type IDs keyed by the property name of their storages. | ||
DependencySerializationTrait::$_serviceIds | protected | property | An array of service IDs keyed by property name used for serialization. | ||
DependencySerializationTrait::__sleep | public | function | 2 | ||
DependencySerializationTrait::__wakeup | public | function | #[\ReturnTypeWillChange] | 2 | |
FormElement::processAutocomplete | public static | function | Adds autocomplete functionality to elements. | ||
FormElement::processPattern | public static | function | #process callback for #pattern form element property. | ||
FormElement::validatePattern | public static | function | #element_validate callback for #pattern form element property. | ||
ImageButton::getInfo | public | function | Returns the element properties for this element. | Overrides Submit::getInfo | |
ImageButton::preRenderButton | public static | function | Prepares a #type 'button' render element for input.html.twig. | Overrides Button::preRenderButton | |
ImageButton::valueCallback | public static | function | Determines how user input is mapped to an element's #value property. | Overrides FormElement::valueCallback | |
MessengerTrait::$messenger | protected | property | The messenger. | 27 | |
MessengerTrait::messenger | public | function | Gets the messenger. | 27 | |
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::$pluginId | protected | property | The plugin_id. | ||
PluginBase::DERIVATIVE_SEPARATOR | constant | A string which is used to separate base plugin IDs from the derivative ID. | |||
PluginBase::getBaseId | public | function | Gets the base_plugin_id of the plugin instance. | Overrides DerivativeInspectionInterface::getBaseId | |
PluginBase::getDerivativeId | public | function | Gets the derivative_id of the plugin instance. | Overrides DerivativeInspectionInterface::getDerivativeId | |
PluginBase::getPluginDefinition | public | function | Gets the definition of the plugin implementation. | Overrides PluginInspectionInterface::getPluginDefinition | 2 |
PluginBase::getPluginId | public | function | Gets the plugin_id of the plugin instance. | Overrides PluginInspectionInterface::getPluginId | |
PluginBase::isConfigurable | public | function | Determines if the plugin is configurable. | ||
PluginBase::__construct | public | function | Constructs a \Drupal\Component\Plugin\PluginBase object. | 85 | |
RenderElement::preRenderAjaxForm | public static | function | Adds Ajax information about an element to communicate with JavaScript. | ||
RenderElement::preRenderGroup | public static | function | Adds members of this group as actual elements for rendering. | ||
RenderElement::processAjaxForm | public static | function | Form element processing handler for the #ajax form property. | 1 | |
RenderElement::processGroup | public static | function | Arranges elements into groups. | ||
RenderElement::setAttributes | public static | function | Sets a form element's class attribute. | Overrides ElementInterface::setAttributes | |
StringTranslationTrait::$stringTranslation | protected | property | The string translation service. | 3 | |
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. |
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