public function BootstrapTabsShortcode::process in Bootstrap 3 shortcodes 8

Performs the shortcode processing.

Parameters

array $attributes: Array of attributes.

string $text: The text string to be processed.

string $langcode: The language code of the text to be filtered. Defaults to LANGCODE_NOT_SPECIFIED.

Return value

string The processed text.

Overrides ShortcodeInterface::process

File

src/Plugin/Shortcode/BootstrapTabsShortcode.php, line 29

Adds shortcodes for all Bootstrap elements.

Class

BootstrapTabsShortcode

@Shortcode( id = "bs_tabs", token = "tabs", title = @Translation("Tabs"), description = @Translation("Bootstrap 3 shortcode"), weight = 50 )

Namespace

Drupal\bs_shortcodes\Plugin\Shortcode

Code

public function process(array $attributes, $content, $langcode = Language::LANGCODE_NOT_SPECIFIED) {
  $attributes = $this
    ->getAttributes(array(
    'type' => '',
    'xclass' => '',
    'data' => '',
  ), $attributes);
  $ul_class = 'nav';
  $ul_class .= $attributes['type'] ? ' nav-' . $attributes['type'] : ' nav-tabs';
  $ul_class .= $attributes['xclass'] ? ' ' . $attributes['xclass'] : '';
  $div_class = 'tab-content';
  $id = Html::cleanCssIdentifier('custom-tabs-' . $GLOBALS['tabs_count']);
  $data_props = _bs_shortcodes_parse_data_attributes($attributes['data']);

  // $attrs_map = bs_attribute_map( $content );
  // Because the Drupal API parses shortcodes from the inside out
  // we need to do some libxml magic here
  // ~Jur
  $previous_value = libxml_use_internal_errors(TRUE);
  $dom = new \DOMDocument();
  $dom
    ->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8'));
  libxml_clear_errors();
  libxml_use_internal_errors($previous_value);
  $finder = new \DomXPath($dom);
  $domNodes = $finder
    ->query("//div[contains(@class, tab-pane)]");
  $attrs_map = array();
  foreach ($domNodes as $domNode) {
    if (strpos($domNode
      ->getAttribute('class'), 'active') === FALSE) {
      $active = FALSE;
    }
    else {
      $active = 'true';
    }
    $attrs_map[] = array(
      'tab' => array(
        'title' => $domNode
          ->getAttribute('title'),
        'active' => $active,
      ),
    );
  }

  // Extract the tab titles for use in the tab widget.
  // Extract the tab titles for use in the tab widget.
  if ($attrs_map) {
    $tabs = array();
    $GLOBALS['tabs_default_active'] = TRUE;
    foreach ($attrs_map as $check) {
      if (!empty($check["tab"]["active"])) {
        $GLOBALS['tabs_default_active'] = FALSE;
      }
    }
    $i = 0;
    foreach ($attrs_map as $tab) {
      $tabs[] = sprintf('<li%s><a href="#%s" data-toggle="tab">%s</a></li>', !empty($tab["tab"]["active"]) || $GLOBALS['tabs_default_active'] && $i == 0 ? ' class="active"' : '', Html::cleanCssIdentifier('custom-tab-' . $GLOBALS['tabs_count'] . '-' . Html::escape($tab["tab"]["title"])), $tab["tab"]["title"]);
      $i++;
    }
  }
  if (isset($GLOBALS['tabs_count'])) {
    $GLOBALS['tabs_count']++;
  }
  else {
    $GLOBALS['tabs_count'] = 0;
  }
  return sprintf('<ul class="%s" id="%s"%s>%s</ul><div class="%s">%s</div>', Html::escape($ul_class), Html::escape($id), $data_props ? ' ' . $data_props : '', $tabs ? implode($tabs) : '', Html::escape($div_class), $content);
}