function ResponsiveImageFormatter::settingsForm

Overrides FormatterBase::settingsForm

File

core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php, line 128

Class

ResponsiveImageFormatter

Plugin for responsive image formatter.

Namespace

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
    $responsive_image_options = [];
    $responsive_image_styles = $this->responsiveImageStyleStorage
        ->loadMultiple();
    if ($responsive_image_styles && !empty($responsive_image_styles)) {
        foreach ($responsive_image_styles as $machine_name => $responsive_image_style) {
            if ($responsive_image_style->hasImageStyleMappings()) {
                $responsive_image_options[$machine_name] = $responsive_image_style->label();
            }
        }
    }
    $elements['responsive_image_style'] = [
        '#title' => t('Responsive image style'),
        '#type' => 'select',
        '#default_value' => $this->getSetting('responsive_image_style') ?: NULL,
        '#required' => TRUE,
        '#options' => $responsive_image_options,
        '#description' => [
            '#markup' => $this->linkGenerator
                ->generate($this->t('Configure Responsive Image Styles'), new Url('entity.responsive_image_style.collection')),
            '#access' => $this->currentUser
                ->hasPermission('administer responsive image styles'),
        ],
    ];
    $link_types = [
        'content' => t('Content'),
        'file' => t('File'),
    ];
    $elements['image_link'] = [
        '#title' => t('Link image to'),
        '#type' => 'select',
        '#default_value' => $this->getSetting('image_link'),
        '#empty_option' => t('Nothing'),
        '#options' => $link_types,
    ];
    return $elements;
}