function _nodesinblock_show in Nodes In Block 7

Same name and namespace in other branches

1. 6 nodesinblock.module \_nodesinblock_show()

Function callback: get content for a block.

1 call to _nodesinblock_show()

nodesinblock_block_view in ./nodesinblock.module

Implements hook_block_view().

File

./nodesinblock.module, line 392

Nodes in block makes it possible to add multiple nodes in one block.

Code

function _nodesinblock_show($delta, $visibility) {
  static $nids = array();
  $i = 0;
  $output = '';
  $path = drupal_get_path_alias($_GET['q']);
  $query = db_select('nodesinblock', 'nib');
  $query
    ->join('node', 'n', 'nib.nid = n.nid');
  $query
    ->fields('nib', array(
    'nid',
    'visibility',
    'render',
    'weight',
  ))
    ->condition('n.status', 1)
    ->condition('delta', $delta)
    ->orderBy('weight', 'ASC')
    ->addTag('node_access');
  $results = $query
    ->execute()
    ->fetchAll();
  $num_items = count($results);
  foreach ($results as $row) {
    $paths = explode("\n", trim($row->visibility));
    foreach ($paths as $key => $val) {

      // Match the path.
      $page_match = drupal_match_path($path, $val);
      if ($path != $_GET['q']) {
        $page_match = $page_match || drupal_match_path($_GET['q'], $val);
      }
      $page_match = !($visibility xor $page_match);

      // We have a match, load the node.
      if ($page_match && !isset($nids[$delta][$row->nid])) {
        $nids[$delta][$row->nid] = $row->nid;
        $node = node_load($row->nid);

        // Support for translation. Use Translation Helpers module if it's installed.
        // @todo Provide granular control. Maybe we want to show nodes of language x in a block which gets
        //   displayed on language y. This might break other contexts (i.e. show blocks on language)
        if (function_exists('translation_helpers_get_translation')) {
          $tnode = translation_helpers_get_translation($node, $language->language);
          if ($tnode) {
            $node = $tnode;
          }
        }
        $node->nodesinblock = TRUE;

        // In case the the render selection has changed, make sure
        // we select the exact render mode.
        if (variable_get('nodesinblock_' . $node->type . '_render', '0') != '0') {
          $row->render = variable_get('nodesinblock_' . $node->type . '_render', '0');
        }

        // Assemble classes.
        $classes = array(
          'nodesinblock',
        );
        if ($i == 0) {
          $classes[] = 'first';
        }
        if ($i == $num_items - 1) {
          $classes[] = 'last';
        }
        if ($i % 2 == 0) {
          $classes[] = 'odd';
        }
        else {
          $classes[] = 'even';
        }
        $i++;

        // Render node.
        list($view_mode, $links) = explode(':', $row->render);
        $node_content = node_view($node, $view_mode);
        if (!$links) {
          unset($node_content['links']);
        }

        // Return output.
        $output .= '<div class="' . implode(' ', $classes) . '" id="nodesinblock-' . $node->nid . '">';
        $output .= render($node_content);
        $output .= '</div>';
      }
    }
  }
  return $output;
}