public function Dimension::viewElements in Dimension 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 NumericFormatterBase::viewElements
File
- src/
Plugin/ Field/ FieldFormatter/ Dimension.php, line 31
Class
- Dimension
- Plugin implementation of the 'number_decimal' formatter.
Namespace
Drupal\dimension\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) : array {
$elements = array();
$settings = $this
->getFieldSetting('value');
foreach ($items as $delta => $item) {
$output = $this
->numberFormat($item->value);
// Account for prefix and suffix.
if ($this
->getSetting('prefix_suffix')) {
$prefixes = isset($settings['prefix']) ? array_map(array(
FieldFilteredMarkup::class,
'create',
), explode('|', $settings['prefix'])) : array(
'',
);
$suffixes = isset($settings['suffix']) ? array_map(array(
FieldFilteredMarkup::class,
'create',
), explode('|', $settings['suffix'])) : array(
'',
);
$prefix = count($prefixes) > 1 ? $this
->formatPlural($item->value, $prefixes[0], $prefixes[1]) : $prefixes[0];
$suffix = count($suffixes) > 1 ? $this
->formatPlural($item->value, $suffixes[0], $suffixes[1]) : $suffixes[0];
$output = $prefix . $output . $suffix;
}
// Output the raw value in a content attribute if the text of the HTML
// element differs from the raw value (for example when a prefix is used).
if (isset($item->_attributes) && $item->value !== $output) {
$item->_attributes += array(
'content' => $item->value,
);
}
$elements[$delta] = array(
'#markup' => $output,
);
}
return $elements;
}