ding_periodical/ding_periodical.module at master · b14/ding_periodical · GitHub

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<?php

/**
 * @file
 * Shows issue information on periodicals.
 */

// Load Field module hooks.
module_load_include('inc', 'ding_periodical', 'ding_periodical.field');

/**
 * Implements hook_theme().
 */
function ding_periodical_theme() {
  return array(
    'ding_periodical_issues' => array(
      // 'variables' => array('entity', 'issues'),
      'render element' => 'elements',
    ),
  );
}

/**
 * Theming function.
 */
function theme_ding_periodical_issues($variables) {
  $items = array();
  foreach ($variables['elements']['#issues'] as $volume => $issues) {
    $iss = array();
    foreach ($issues as $key => $availability) {
      $issue = $key;
      // check user
      if ($availability['reservable'] && module_exists('ding_periodical_reservation')) {
    	  $issue .= ' ' . ding_periodical_reservation_button($availability['local_id'], $volume, $key, $variables['elements']['#entity']);
    	}
      $iss[] = $issue;
    }

    $vol = array(
      'data' => '<div class="'.drupal_html_class('ding_periodical_fold').'">'.$volume.'</div>',
      'children' => $iss,
      'class' => array(drupal_html_class('ding_periodical_foldable'),),
    );
    $items[] = $vol;
  }

  return theme('item_list', array('items' => $items,'attributes'=>array('class'=>drupal_html_class('ding_periodical_issues'))));
}