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Example to launch media library with a custom input
<?php
namespace Drupal\layout_manager\Controller;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Url;
/**
* Controller to render basic html for client side application.
*/
class MediaLibraryController extends ControllerBase {
/**
* Action to render basic html.
*
* @return array
* The `render array` content from template.
*
* @codeCoverageIgnore
* Ignored because this is just returning a specific HTML payload that the app
* can render on -- nothing to test.
*/
public function content() {
$widget_id = 'custom_widget';
return [
'media_library_open_button' => [
'#type' => 'link',
'#title' => $this->t('Browse media'),
'#name' => 'chip-media-open-library-button',
// @todo Make the view configurable in https://www.drupal.org/project/drupal/issues/2971209
'#url' => Url::fromRoute('view.media_library.widget', [], [
'query' => [
'media_library_widget_id' => $widget_id,
'media_library_allowed_types' => ['distribution_image', 'ngp_image'],
'media_library_remaining' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
],
]),
'#attributes' => [
'class' => ['btn', 'button', 'use-ajax', 'media-library-open-button'],
'data-dialog-type' => 'modal',
'data-dialog-options' => json_encode([
'dialogClass' => 'media-library-widget-modal',
'height' => '75%',
'width' => '75%',
'title' => $this->t('Media library'),
]),
],
],
// This hidden field and button are used to add new items to the widget.
'media_library_selection' => [
'#type' => 'textfield',
'#attributes' => [
// This is used to pass the selection from the modal to the widget.
'data-media-library-widget-value' => $widget_id,
],
],
// When a selection is made this hidden button is pressed to add new media
// items based on the "media_library_selection" value.
'media_library_update_widget' => [
'#type' => 'submit',
'#value' => $this->t('Update widget'),
'#name' => 'media-library-update',
/*
'#ajax' => [
'callback' => [static::class, 'updateWidget'],
],
*/
'#attributes' => [
'data-media-library-widget-update' => $widget_id,
/* 'class' => ['js-hide'], */
],
/*
'#validate' => [[static::class, 'validateItems']],
'#submit' => [[static::class, 'updateItems']],
*/
],
];
}
}
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