Club Drupal

<?php

/**

 * @file

 * Stub file for bootstrap_file_upload_help().

 */

/**

 * Returns HTML for help text based on file upload validators.

 *

 * @param array $variables

 *   An associative array containing:

 *   - description: The normal description for this field, specified by the

 *     user.

 *   - upload_validators: An array of upload validators as used in

 *     $element['#upload_validators'].

 *

 * @return string

 *   The constructed HTML.

 *

 * @see theme_file_upload_help()

 *

 * @ingroup theme_functions

 */

function bootstrap_file_upload_help(array $variables) {

  // If popover's are disabled, just theme this normally.

  if (!bootstrap_setting('popover_enabled')) {

    return theme_file_upload_help($variables);

  }

  $build = array();

  if (!empty($variables['description'])) {

    $build['description'] = array(

      '#markup' => $variables['description'] . '<br>',

    );

  }

  $descriptions = array();

  $upload_validators = $variables['upload_validators'];

  if (isset($upload_validators['file_validate_size'])) {

    $descriptions[] = t('Files must be less than !size.', array('!size' => '<strong>' . format_size($upload_validators['file_validate_size'][0]) . '</strong>'));

  }

  if (isset($upload_validators['file_validate_extensions'])) {

    $descriptions[] = t('Allowed file types: !extensions.', array('!extensions' => '<strong>' . check_plain($upload_validators['file_validate_extensions'][0]) . '</strong>'));

  }

  if (isset($upload_validators['file_validate_image_resolution'])) {

    $max = $upload_validators['file_validate_image_resolution'][0];

    $min = $upload_validators['file_validate_image_resolution'][1];

    if ($min && $max && $min == $max) {

      $descriptions[] = t('Images must be exactly !size pixels.', array('!size' => '<strong>' . $max . '</strong>'));

    }

    elseif ($min && $max) {

      $descriptions[] = t('Images must be between !min and !max pixels.', array('!min' => '<strong>' . $min . '</strong>', '!max' => '<strong>' . $max . '</strong>'));

    }

    elseif ($min) {

      $descriptions[] = t('Images must be larger than !min pixels.', array('!min' => '<strong>' . $min . '</strong>'));

    }

    elseif ($max) {

      $descriptions[] = t('Images must be smaller than !max pixels.', array('!max' => '<strong>' . $max . '</strong>'));

    }

  }

  if ($descriptions) {

    $id = drupal_html_id('upload-instructions');

    $build['instructions'] = array(

      '#theme' => 'link__file_upload_requirements',

      // @todo remove space between icon/text and fix via styling.

      '#text' => _bootstrap_icon('question-sign') . ' ' . t('More information'),

      '#path' => '#',

      '#options' => array(

        'attributes' => array(

          'data-toggle' => 'popover',

          'data-target' => "#$id",

          'data-html' => TRUE,

          'data-placement' => 'bottom',

          'data-title' => t('File requirements'),

        ),

        'html' => TRUE,

        'external' => TRUE,

      ),

    );

    $build['requirements'] = array(

      '#theme_wrappers' => array('container__file_upload_requirements'),

      '#attributes' => array(

        'id' => $id,

        'class' => array('element-invisible', 'help-block'),

      ),

    );

    $build['requirements']['validators'] = array(

      '#theme' => 'item_list__file_upload_requirements',

      '#items' => $descriptions,

    );

  }

  return drupal_render($build);

}