seven.theme 11.5 KB
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<?php

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/**
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 * @file
 * Functions to support theming in the Seven theme.
 */

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use Drupal\Component\Utility\String;
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/**
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 * Implements hook_preprocess_HOOK() for page templates.
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 */
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function seven_preprocess_page(&$variables) {
  /** @var \Drupal\Core\Page\HtmlPage $page_object */
  $page_object = $variables['page']['#page'];
  $attributes = $page_object->getBodyAttributes();
  $classes = $attributes['class'];
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  // Add information about the number of sidebars.
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  if (!empty($variables['page']['sidebar_first'])) {
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    $classes[] = 'one-sidebar';
    $classes[] = 'sidebar-first';
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  }
  else {
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    $classes[] = 'no-sidebars';
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  }
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  $attributes['class'] = $classes;
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  $variables['primary_local_tasks'] = $variables['tabs'];
  unset($variables['primary_local_tasks']['#secondary']);
  $variables['secondary_local_tasks'] = array(
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    '#theme' => 'menu_local_tasks',
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    '#secondary' => isset($variables['tabs']['#secondary']) ? $variables['tabs']['#secondary'] : '',
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  );
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}

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/**
 * Overrides theme_menu_local_tasks().
 *
 * Returns HTML for primary and secondary local tasks.
 *
 **/
function seven_menu_local_tasks(&$variables) {
  $output = '';

  if (!empty($variables['primary'])) {
    $variables['primary']['#attached'] = array(
      'library' => array(
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        'seven/drupal.nav-tabs',
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      ),
    );
    $variables['primary']['#prefix'] = '<h2 id="primary-tabs-title" class="visually-hidden">' . t('Primary tabs') . '</h2>';
    $variables['primary']['#prefix'] .= '<nav role="navigation" class="is-horizontal is-collapsible" aria-labelledby="primary-tabs-title" data-drupal-nav-tabs>';
    $variables['primary']['#prefix'] .= '<button class="reset-appearance tabs__tab tabs__trigger" aria-label="Primary tabs display toggle" data-drupal-nav-tabs-trigger>&bull;&bull;&bull;</button>';
    $variables['primary']['#prefix'] .= '<ul class="tabs primary clearfix" data-drupal-nav-tabs-target>';
    $variables['primary']['#suffix'] = '</ul>';
    $variables['primary']['#suffix'] .= '</nav>';
    $output .= drupal_render($variables['primary']);
  }
  if (!empty($variables['secondary'])) {
    $variables['secondary']['#attached'] = array(
      'library' => array(
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        'seven/drupal.nav-tabs',
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      ),
    );
    $variables['secondary']['#prefix'] = '<h2 id="secondary-tabs-title" class="visually-hidden">' . t('Secondary tabs') . '</h2>';
    $variables['secondary']['#prefix'] .= '<nav role="navigation" class="is-horizontal" aria-labelledby="secondary-tabs-title" data-drupal-nav-tabs>';
    $variables['secondary']['#prefix'] .= '<ul class="tabs secondary clearfix">';
    $variables['secondary']['#suffix'] = '</ul>';
    $variables['secondary']['#suffix'] .= '</nav>';
    $output .= drupal_render($variables['secondary']);
  }

  return $output;
}

/**
 * Overrides theme_menu_local_task().
 *
 * Returns HTML for a local task.
 *
 **/
function seven_menu_local_task($variables) {
  $link = $variables['element']['#link'];
  $link += array(
    'localized_options' => array(),
  );
  $link_text = $link['title'];

  if (!empty($variables['element']['#active'])) {
    // Add text to indicate active tab for non-visual users.
    $active = '<span class="visually-hidden">' . t('(active tab)') . '</span>';

    // If the link does not contain HTML already, String::checkPlain() it now.
    // After we set 'html'=TRUE the link will not be sanitized by l().
    if (empty($link['localized_options']['html'])) {
      $link['title'] = String::checkPlain($link['title']);
    }
    $link['localized_options']['html'] = TRUE;
    $link_text = t('!local-task-title!active', array('!local-task-title' => $link['title'], '!active' => $active));
  }
  if (!empty($link['href'])) {
    // @todo - remove this once all pages are converted to routes.
    $a_tag = l($link_text, $link['href'], $link['localized_options']);
  }
  else {
    $a_tag = \Drupal::l($link_text, $link['route_name'], $link['route_parameters'], $link['localized_options']);
  }

  return '<li' . (!empty($variables['element']['#active']) ? ' class="tabs__tab active"' : ' class="tabs__tab"') . '>' . $a_tag . '</li>';
}

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/**
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 * Displays the list of available node types for node creation.
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 */
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function seven_node_add_list($variables) {
  $content = $variables['content'];
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  if ($content) {
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    $output = '<ul class="admin-list">';
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    foreach ($content as $type) {
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      $output .= '<li class="clearfix">';
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      $content = '<span class="label">' . check_plain($type->name) . '</span>';
      $content .= '<div class="description">' . filter_xss_admin($type->description) . '</div>';
      $options['html'] = TRUE;
      $output .= l($content, 'node/add/' . $type->type, $options);
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      $output .= '</li>';
    }
    $output .= '</ul>';
  }
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  else {
    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
  }
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  return $output;
}

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/**
 * Overrides theme_custom_block_add_list().
 *
 * Displays the list of available custom block types for creation.
 */
function seven_custom_block_add_list($variables) {
  $output = '';
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  if (!empty($variables['types'])) {
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    $output = '<ul class="admin-list">';
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    foreach ($variables['types'] as $id => $type) {
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      $output .= '<li class="clearfix">';
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      $content = '<span class="label">' . check_plain($type['title']) . '</span>';
      $content .= '<div class="description">' . filter_xss_admin($type['description']) . '</div>';
      $options = $type['localized_options'];
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      $options['html'] = TRUE;
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      $output .= \Drupal::l($content, 'custom_block.add_form', array('custom_block_type' => $id), $options);
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      $output .= '</li>';
    }
    $output .= '</ul>';
  }
  return $output;
}

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/**
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 * Overrides theme_admin_block_content().
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 *
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 * Uses an unordered list markup in both compact and extended mode.
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 */
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function seven_admin_block_content($variables) {
  $content = $variables['content'];
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  $output = '';
  if (!empty($content)) {
    $output = system_admin_compact_mode() ? '<ul class="admin-list compact">' : '<ul class="admin-list">';
    foreach ($content as $item) {
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      $output .= '<li>';
      $content = '<span class="label">' . filter_xss_admin($item['title']) . '</span>';
      $options = $item['localized_options'];
      $options['html'] = TRUE;
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      if (isset($item['description']) && !system_admin_compact_mode()) {
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        $content .= '<div class="description">' . filter_xss_admin($item['description']) . '</div>';
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      }
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      $output .= l($content, $item['link_path'], $options);
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      $output .= '</li>';
    }
    $output .= '</ul>';
  }
  return $output;
}

/**
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 * Overrides theme_tablesort_indicator().
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 *
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 * Uses Seven's image versions, so the arrows show up as black and not gray on
 * gray.
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 */
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function seven_tablesort_indicator($variables) {
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  $theme_path = drupal_get_path('theme', 'seven');
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  if ($variables['style'] == 'asc') {
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    $image_uri = $theme_path . '/images/arrow-asc.png';
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    $text = t('Sort ascending');
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  }
  else {
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    $image_uri = $theme_path . '/images/arrow-desc.png';
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    $text = t('Sort descending');
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  }
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  $image = array(
    '#theme' => 'image',
    '#uri' => $image_uri,
    '#alt' => $text,
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    '#width' => 9,
    '#height' => 5,
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    '#title' => $text,
  );
  return drupal_render($image);
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}
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/**
 * Overrides theme_menu_local_action().
 */
function seven_menu_local_action($variables) {
  $link = $variables['element']['#link'];
  $link += array(
    'href' => '',
    'localized_options' => array(),
    'route_parameters' => array(),
  );
  $link['localized_options']['attributes']['class'][] = 'button';
  $link['localized_options']['attributes']['class'][] = 'button--primary';
  $link['localized_options']['attributes']['class'][] = 'button--small';

  // @todo Replace with a generalized solution for icons.
  // See http://drupal.org/node/1849712
  $link['localized_options']['attributes']['class'][] = 'button-action';

  // We require Modernizr's touch test for button styling.
  $libraries = array(
    '#attached' => array(
      'library' => array(
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        'core/modernizr',
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      ),
    ),
  );
  drupal_render($libraries);

  $output = '<li>';
  // @todo Remove this check and the call to l() when all pages are converted to
  //   routes.
  // @todo Figure out how to support local actions without a href properly.
  if ($link['href'] === '' && !empty($link['route_name'])) {
    $output .= Drupal::l($link['title'], $link['route_name'], $link['route_parameters'], $link['localized_options']);
  }
  else {
    $output .= l($link['title'], $link['href'], $link['localized_options']);
  }
  $output .= "</li>";

  return $output;
}

/**
 * Implements hook_element_info_alter().
 */
function seven_element_info_alter(&$type) {
  // We require Modernizr for button styling.
  if (isset($type['button'])) {
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    $type['button']['#attached']['library'][] = 'core/modernizr';
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  }
}

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/**
 * Implements hook_preprocess_install_page().
 */
function seven_preprocess_install_page(&$variables) {
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  $page_object = $variables['page']['#page'];
  $attributes = $page_object->getHtmlAttributes();
  $classes = $attributes['class'];
  $classes[] = 'install-background';
  $attributes['class'] = $classes;
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  // Normally we could attach libraries via hook_page_alter(), but when the
  // database is inactive it's not called so we add them here.
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  $libraries = array(
    '#attached' => array(
      'library' => array(
        'seven/maintenance-page',
        'seven/install-page',
      ),
    ),
  );
  drupal_render($libraries);
}

/**
 * Implements hook_preprocess_maintenance_page().
 */
function seven_preprocess_maintenance_page(&$variables) {
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  $page_object = $variables['page']['#page'];
  $attributes = $page_object->getHtmlAttributes();
  $classes = $attributes['class'];
  $classes[] = 'maintenance-background';
  $attributes['class'] = $classes;

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  // // Normally we could attach libraries via hook_page_alter(), but when the
  // // database is inactive it's not called so we add them here.
  $libraries = array(
    '#attached' => array(
      'library' => array(
        'seven/maintenance-page',
      ),
    ),
  );
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  drupal_render($libraries);
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}
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/**
 * Implements hook_form_BASE_FORM_ID_alter().
 *
 * Changes vertical tabs to container and adds meta information.
 */
function seven_form_node_form_alter(&$form, &$form_state) {
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  /** @var \Drupal\node\NodeInterface $node */
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  $node = $form_state['controller']->getEntity();
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  $form['#theme'] = array('node_edit_form');
  $form['#attached'] = array(
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    'css' => array(drupal_get_path('module', 'node') . '/css/node.module.css'),
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  );

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  $form['advanced']['#type'] = 'container';
  $form['meta'] = array (
    '#attributes' => array('class' => array('entity-meta-header')),
    '#type' => 'container',
    '#group' => 'advanced',
    '#weight' => -100,
    'published' => array(
      '#type' => 'item',
      '#wrapper_attributes' => array('class' => array('published')),
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      '#markup' => $node->isPublished() ? t('Published') : t('Not published'),
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      '#access' => !$node->isNew(),
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    ),
    'changed' => array(
      '#type' => 'item',
      '#wrapper_attributes' => array('class' => array('changed', 'container-inline')),
      '#title' => t('Last saved'),
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      '#markup' => !$node->isNew() ? format_date($node->getChangedTime(), 'short') : t('Not saved yet'),
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    ),
    'author' => array(
      '#type' => 'item',
      '#wrapper_attributes' => array('class' => array('author', 'container-inline')),
      '#title' => t('Author'),
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      '#markup' => $node->getOwner()->getUsername(),
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    ),
  );
  $form['revision_information']['#type'] = 'container';
  $form['revision_information']['#group'] = 'meta';
}