public function render()

in web_ui/src/applications/bistro/model/BistroConsensusFinder.php [48:133]

• 66 lines of code
• 9 McCabe index (conditional complexity)

  public function render() {
    require_celerity_resource('bistro-consensus-finder');

    if (!$this->data) {
      return '';  // Returning a DOM node can prevent margin collapse.
    }

    $is_inconsistent = $this->isInconsistent();

    $variants = array();
    if ($is_inconsistent) {
      $variants[] = phabricator_tag('p');
    }

    // Render the consensus item differently
    $consensus_item = $this->getConsensus();

    foreach ($this->data as $item => $locations) {
      $item_html = $this->renderItem($item, $consensus_item === $item);
      if ($item_html === '' && !$is_inconsistent) {
        // When all locations just want to render an empty string, it's
        // nicer not to render the 'locations reporting' chrome to keep the
        // visual noise down.
        return '';
      }

      $locations = array_keys($locations);
      asort($locations);

      $listener_id = uniqid('consensus-finder-variant');
      $location_div_id = uniqid('consensus-finder-locations');
      $location_count_label =
        'From '.count($locations).' location'.
        (count($locations) > 1 ? 's' : '').':';

      $variants[] = phabricator_tag('div', array(), phabricator_tag(
        'table',
        array(
          // Hovering over a variant shows what locations have it
          'title' => $location_count_label."\n".implode("\n", $locations)),
        array(
          hsprintf(
            '<tr><td>%s</td>'.
            '<td><span class="consensus-variant">%s</span></td></tr>',
            phabricator_tag(
              'a',
              array(
                'id' => $listener_id,
                'title' => 'Show/hide locations reporting this'.
                ($is_inconsistent ? ' inconsistent' : '').' value'),
              hsprintf(
                '<span class="expand">+%s</span>'.
                '<span class="contract">-%s</span>',
                count($locations), count($locations))),
            $item_html),
          phabricator_tag(
            'tr',
            array(),
            phabricator_tag(
              'td',
              array(
                'id' => $location_div_id,
                'colspan' => 2,
                'class' => 'locations'))))));

      Javelin::initBehavior(
        'add-detail-toggle-listener',
        array(
          'detail_html' => hsprintf(
            // The linebreaks are in lieu of vertical padding, which we want
            // to avoid, since the toggle logic just edits the innerHTML
            // instead of using display: none.
            '<br/><b>%s</b> %s <br/><br/>',
            $location_count_label,
            implode(', ', $locations)),
          'detail_id' => $location_div_id,
          'listener_id' => $listener_id)
      );

    }

    $classes = 'bistro-consensus-finder';
    // Highlight the variants if there is more than one.
    $classes .= $is_inconsistent ? ' inconsistent' : '';
    return phabricator_tag('div', array('class' => $classes), $variants);
  }