varbase_bootstrap_paragraphs-9.0.0-alpha1/varbase_bootstrap_paragraphs.module

<?php

/**
 * @file
 * Varbase Bootstrap Paragraphs module file.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\file\Entity\File;
use Drupal\Core\Url;

// Include all helpers.
include_once __DIR__ . '/includes/helpers.inc';

/**
 * Implements hook_theme().
 */
function varbase_bootstrap_paragraphs_theme($existing, $type, $theme, $path) {
  return [
    'paragraph__default' => ['base hook' => 'paragraph'],
    'paragraph__bp_accordion' => ['base hook' => 'paragraph'],
    'paragraph__bp_carousel' => ['base hook' => 'paragraph'],
    'paragraph__bp_tabs' => ['base hook' => 'paragraph'],
    'paragraph__bp_columns_three_uneven' => ['base hook' => 'paragraph'],
    'paragraph__bp_columns_two_uneven' => ['base hook' => 'paragraph'],
    'paragraph__bp_image' => ['base hook' => 'paragraph'],
    'paragraph__bp_modal' => ['base hook' => 'paragraph'],
    'field__entity_reference_revisions' => ['base hook' => 'paragraph'],
    'field__paragraph__bp_column_content' => ['base hook' => 'paragraph'],
    'field__paragraph__bp_image__image' => ['base hook' => 'paragraph'],
  ];
}

/**
 * Implements hook_preprocess_paragraph().
 */
function varbase_bootstrap_paragraphs_preprocess_paragraph(&$variables) {
  $file_path = NULL;
  if (isset($variables['paragraph']->bp_image_field)
    && isset($variables['paragraph']->bp_image_field->target_id)) {

    // Get the target id and build the url.
    $paragraph = &$variables['paragraph'];
    if (isset($paragraph->get('bp_image_field')->entity)
      && isset($paragraph->get('bp_image_field')->entity->field_media_image)
      && isset($paragraph->get('bp_image_field')->entity->field_media_image->target_id)) {

      $target_id = $paragraph->get('bp_image_field')->entity->field_media_image->target_id;
      $file = File::load($target_id);
      if (isset($file)) {

        $url = Url::fromUri('internal:/')->toString();
        if (substr($url, -1) === '/') {
          $url = substr($url, 0, -1);
        }

        if (\Drupal::moduleHandler()->moduleExists('drimage_improved')) {
          // For drimage_improved, construct a proper image URL for background images.
          // Background images use the drimage improved route which expects:
          // /drimage/{width}/{height}/{fid}/{iwc_id}/{file_extension}
          //
          // Use 1600px width for responsive background image coverage
          // Height 0 = calculate based on aspect ratio
          $file_uri = $file->getFileUri();

          // Get the file extension to pass to the route
          $file_extension = pathinfo($file_uri, PATHINFO_EXTENSION);

          // Generate the drimage URL
          // Format: /drimage/{width}/{height}/{fid}/{iwc_id}/{file_extension}
          $file_path = '/drimage/1600/0/' . $target_id . '/-/' . $file_extension;
        }
        elseif (\Drupal::moduleHandler()->moduleExists('drimage')) {
          // Display Edge-to-Edge auto) fall back default background image using Drimage.
          $file_path = $url . '/drimage/1600/0/' . $target_id . '/-' . $url . \Drupal::service('file_url_generator')->generateString($file->getFileUri());
        }
      }
    }
  }

  $width_value = NULL;
  if (isset($variables['paragraph']->bp_width)
    && isset($variables['paragraph']->bp_width->value)) {

    $width_value = $variables['paragraph']->bp_width->value;
  }

  $width_map = [
    'paragraph--width--tiny' => 'col-md-4 offset-md-4 col-sm-8 offset-sm-2',
    'paragraph--width--narrow' => 'col-md-6 offset-md-3 col-sm-10 offset-sm-1',
    'paragraph--width--medium' => 'col-md-8 offset-md-2',
    'paragraph--width--wide' => 'col-md-10 offset-md-1',
    'paragraph--width--full' => 'col-12',
    'bg-edge2edge' => 'bg-edge2edge col-12 p-0',
  ];

  $width = 'col-12';
  if (isset($width_map[$width_value])) {
    $width = $width_map[$width_value];
  }

  $custom_paragraph_classes_value = NULL;
  if (isset($variables['paragraph']->bp_classes)
      && isset($variables['paragraph']->bp_classes->value)) {
    $custom_paragraph_classes_value = $variables['paragraph']->bp_classes->value;
  }

  $gutter_value = FALSE;
  if (isset($variables['paragraph']->bp_gutter)
      && isset($variables['paragraph']->bp_gutter->value)) {
    $gutter_value = $variables['paragraph']->bp_gutter->value;
  }

  $title_status = FALSE;
  if (isset($variables['paragraph']->bp_title_status)
      && isset($variables['paragraph']->bp_title_status->value)) {
    $title_status = $variables['paragraph']->bp_title_status->value;
  }

  // Add variables to template.
  varbase_bootstrap_paragraphs__add_template_variable($variables, [
    'background_image' => [
      'type' => 'image',
      'url' => $file_path,
    ],
    'bp_width' => [
      'type' => 'string',
      'value' => $width,
    ],
    'bp_classes' => [
      'type' => 'string',
      'value' => $custom_paragraph_classes_value,
    ],
    'bp_gutter' => [
      'type' => 'bool',
      'value' => $gutter_value,
    ],
    'bp_title_status' => [
      'type' => 'bool',
      'value' => $title_status,
    ],
  ]);
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 *
 * Widget : Paragraphs Classic : entity_reference_paragraphs.
 */
function varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_form_alter(&$element, &$form_state, $context) {

  // Add the Varbase Bootstrap Paragraphs default admin styling.
  $element['subform']['#attached']['library'][] = 'varbase_bootstrap_paragraphs/vbp-default-admin';

  // If the paragraph type has got a background color field.
  if (isset($element['subform']['bp_background']) && isset($element['subform']['bp_background']['widget'])) {
    $configFactory = \Drupal::configFactory()->getEditable('varbase_bootstrap_paragraphs.settings');
    $background_colors = $configFactory->get('background_colors');

    $background_colors_options = ['_none' => t('N/A')];
    $lines = explode(PHP_EOL, $background_colors);
    foreach ($lines as $line) {
      $line = explode('|', $line);
      $background_colors_options[$line[0]] = $line[1];
    }

    // Updated the bp_background options with the list of vbp colors.
    $element['subform']['bp_background']['widget']['#options'] = $background_colors_options;

  }
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 *
 * Widget type : Paragraphs EXPERIMENTAL : paragraphs .
 */
function varbase_bootstrap_paragraphs_field_widget_paragraphs_form_alter(&$element, &$form_state, $context) {
  varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_form_alter($element, $form_state, $context);
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 *
 * Widget : Paragraphs Classic Asymmetric : paragraphs_classic_asymmetric .
 */
function varbase_bootstrap_paragraphs_field_widget_paragraphs_classic_asymmetric_form_alter(&$element, &$form_state, $context) {
  varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_form_alter($element, $form_state, $context);
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 *
 * Widget : Paragraphs Previewer & Paragraphs Classic :
 *  entity_reference_paragraphs_previewer .
 */
function varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_previewer_form_alter(&$element, &$form_state, $context) {
  varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_form_alter($element, $form_state, $context);
}

/**
 * Implements hook_field_widget_WIDGET_TYPE_form_alter().
 *
 * Widget : Paragraphs Previewer & Paragraphs EXPERIMENTAL :
 *  paragraphs_previewer.
 */
function varbase_bootstrap_paragraphs_field_widget_paragraphs_previewer_form_alter(&$element, &$form_state, $context) {
  varbase_bootstrap_paragraphs_field_widget_entity_reference_paragraphs_form_alter($element, $form_state, $context);
}

/**
 * Implements hook_form_alter().
 */
function varbase_bootstrap_paragraphs_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  // Only for paragraph entity edit forms.
  if (isset($form['#entity_type'])
    && $form['#entity_type'] == 'paragraph'
    && preg_match("/paragraph_(.*)_entity_edit_form$/", $form_id)) {

    // If the paragraph type has got a background color field.
    if (isset($form['bp_background']) && isset($form['bp_background']['widget'])) {

      // Add the Varbase Bootstrap Paragraphs default admin styling.
      $form['#attached']['library'][] = 'varbase_bootstrap_paragraphs/vbp-default-admin';

      $configFactory = \Drupal::configFactory()->getEditable('varbase_bootstrap_paragraphs.settings');
      $background_colors = $configFactory->get('background_colors');

      $background_colors_options = ['_none' => t('N/A')];
      $lines = explode(PHP_EOL, $background_colors);
      foreach ($lines as $line) {
        $line = explode('|', $line);
        $background_colors_options[$line[0]] = $line[1];
      }

      // Updated the bp_background options with the list of vbp colors.
      $form['bp_background']['widget']['#options'] = $background_colors_options;

    }

  }

  // If the field_lp_paragraphs will attached the library.
  if (isset($form['field_lp_paragraphs'])) {
    $form['#attached']['library'][] = 'varbase_bootstrap_paragraphs/vbp-default-admin';
  }
}