public function ColorFieldTextFormatter::viewElements in Color Field 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/ColorFieldTextFormatter.php, line 83

Contains Drupal\color_field\Plugin\Field\FieldFormatter\ColorFieldTextFormatter.

Class

ColorFieldTextFormatter

Plugin implementation of the 'color_field_swatch' formatter.

Namespace

Drupal\color_field\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items) {
  $format = $this
    ->getSetting('format');
  $opacity = $this
    ->getFieldSetting('opacity');
  foreach ($items as $delta => $item) {
    switch ($format) {
      case 'hexadecimal':
        $output = '#' . $item->color;
        break;
      case 'rgb':
        $color = color_field_hex2rgb($item->color);
        $output = 'rgb(' . $color['r'] . ',' . $color['g'] . ',' . $color['b'] . ')';
        break;
      case 'rgba':
        $color = color_field_hex2rgb($item->color);
        $item->opacity = $opacity ? $item->color : 1;
        $output = 'rgb(' . $color['r'] . ',' . $color['g'] . ',' . $color['b'] . ',' . $item->color . ')';
        break;
    }
    $elements[$delta] = array(
      '#markup' => $output,
    );
  }
  return $elements;
}