function recipe_build_index in Recipe 5

Recursively traverses the term tree to construct the index.

Return value

string the output for this tree.

1 call to recipe_build_index()

recipe_index in ./recipe.module

Constructs the recipe index page, using theme functions.

File

./recipe.module, line 1089

recipe.module - share recipes for drupal 5.x

Code

function recipe_build_index(&$tree, $parent_url) {
  $output = '';
  if ($tree == array()) {
    return '';
  }
  do {
    $cur = current($tree);
    $nex = next($tree);
    if ($nex === false) {
      $next_depth = -1;
    }
    else {
      $next_depth = $nex->depth;
    }
    $cur->link = $parent_url . '/' . urlencode(strtolower(trim($cur->name)));
    $cur->children = '';
    if ($next_depth > $cur->depth) {
      $cur->children = recipe_build_index($tree, $cur->link);

      // sync $next_depth, because 'next item' may be shoved forward
      // Thanks for the patch Roderik.
      $nex = current($tree);
      if ($nex === false) {
        $next_depth = -1;
      }
      else {
        $next_depth = $nex->depth;
      }
    }
    $cur->count = module_invoke('taxonomy', 'term_count_nodes', $cur->tid);
    $output .= theme('recipe_index_item', $cur);
  } while ($cur->depth == $next_depth);
  return theme('recipe_list', $output);
}