NumericFormatterBase.php in Zircon Profile 8

Contains \Drupal\Core\Field\Plugin\Field\FieldFormatter\NumericFormatterBase.

Namespace

Drupal\Core\Field\Plugin\Field\FieldFormatter

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php

<?php

/**
 * @file
 * Contains \Drupal\Core\Field\Plugin\Field\FieldFormatter\NumericFormatterBase.
 */
namespace Drupal\Core\Field\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\AllowedTagsXssTrait;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Parent plugin for decimal and integer formatters.
 */
abstract class NumericFormatterBase extends FormatterBase {
  use AllowedTagsXssTrait;

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $options = array(
      '' => t('- None -'),
      '.' => t('Decimal point'),
      ',' => t('Comma'),
      ' ' => t('Space'),
      chr(8201) => t('Thin space'),
      "'" => t('Apostrophe'),
    );
    $elements['thousand_separator'] = array(
      '#type' => 'select',
      '#title' => t('Thousand marker'),
      '#options' => $options,
      '#default_value' => $this
        ->getSetting('thousand_separator'),
      '#weight' => 0,
    );
    $elements['prefix_suffix'] = array(
      '#type' => 'checkbox',
      '#title' => t('Display prefix and suffix'),
      '#default_value' => $this
        ->getSetting('prefix_suffix'),
      '#weight' => 10,
    );
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = array();
    $summary[] = $this
      ->numberFormat(1234.123456789);
    if ($this
      ->getSetting('prefix_suffix')) {
      $summary[] = t('Display with prefix and suffix.');
    }
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = array();
    $settings = $this
      ->getFieldSettings();
    foreach ($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(
          'Drupal\\Core\\Field\\FieldFilteredMarkup',
          'create',
        ), explode('|', $settings['prefix'])) : array(
          '',
        );
        $suffixes = isset($settings['suffix']) ? array_map(array(
          'Drupal\\Core\\Field\\FieldFilteredMarkup',
          '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;
  }

  /**
   * Formats a number.
   *
   * @param mixed $number
   *   The numeric value.
   *
   * @return string
   *   The formatted number.
   */
  protected abstract function numberFormat($number);

}

Classes

Name	Description
NumericFormatterBase	Parent plugin for decimal and integer formatters.