TaxonomyColor.php in Fullcalendar View 6.x

Namespace

Drupal\fullcalendar_view

File

src/TaxonomyColor.php

<?php

namespace Drupal\fullcalendar_view;

use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * Class TaxonomyColor.
 */
class TaxonomyColor {
  use StringTranslationTrait;
  protected $entityTypeManager;

  /**
   * Constructor.
   */
  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
    $this->entityTypeManager = $entityTypeManager;
  }

  /**
   * Color input box for taxonomy terms of a vocabulary.
   */
  public function colorInputBoxs($vid, array $defaultValues, $open = FALSE) {

    // Taxonomy color details.
    $elements = [
      '#type' => 'details',
      '#title' => $this
        ->t('Colors for Taxonomies'),
      '#fieldset' => 'colors',
      '#open' => $open,
      '#prefix' => '<div id="color-taxonomies-div">',
      '#suffix' => '</div>',
      '#states' => [
        // Only show this field when the 'vocabularies' is selected.
        'invisible' => [
          [
            ':input[name="style_options[vocabularies]"]' => [
              'value' => '',
            ],
          ],
        ],
      ],
    ];

    // Term IDs of the vocabulary.
    $terms = $this
      ->getTermIds($vid);
    if (isset($terms[$vid])) {

      // Create a color box for each terms.
      foreach ($terms[$vid] as $taxonomy) {

        // If the term name is a valid hex color, use it for the initial default color.
        $initial_color = preg_match('/^#[a-fA-F0-9]{6}$/', $taxonomy->name->value) ? $taxonomy->name->value : '#3a87ad';
        $color = isset($defaultValues[$taxonomy
          ->id()]) ? $defaultValues[$taxonomy
          ->id()] : $initial_color;
        $elements[$taxonomy
          ->id()] = [
          '#title' => $taxonomy->name->value,
          '#default_value' => $color,
          '#type' => 'color',
          '#states' => [
            // Only show this field when the 'tax_field' is selected.
            'invisible' => [
              [
                ':input[name="style_options[tax_field]"]' => [
                  'value' => '',
                ],
              ],
            ],
          ],
          '#attributes' => [
            'value' => $color,
            'name' => 'style_options[color_taxonomies][' . $taxonomy
              ->id() . ']',
          ],
        ];
      }
    }
    return $elements;
  }

  /**
   * Get all terms of a vocabulary.
   */
  private function getTermIds($vid) {
    if (empty($vid)) {
      return [];
    }
    $terms =& drupal_static(__FUNCTION__);

    // Get taxonomy terms from database if they haven't been loaded.
    if (!isset($terms[$vid])) {

      // Get terms Ids.
      $query = $this->entityTypeManager
        ->getStorage('taxonomy_term')
        ->getQuery();
      $query
        ->condition('vid', $vid);
      $tids = $query
        ->execute();
      $terms[$vid] = $this->entityTypeManager
        ->getStorage('taxonomy_term')
        ->loadMultiple($tids);
    }
    return $terms;
  }

}

Classes

Name	Description
TaxonomyColor	Class TaxonomyColor.