ViewExecutable::_buildArguments

protected ViewExecutable::_buildArguments()

protected function _buildArguments() {
  // Initially, we want to build sorts and fields. This can change, though,
  // if we get a summary view.
  if (empty($this->argument)) {
    return TRUE;
  }

  // build arguments.
  $position = -1;
  $substitutions = array();
  $status = TRUE;

  // Get the title.
  $title = $this->display_handler->getOption('title');

  // Iterate through each argument and process.
  foreach ($this->argument as $id => $arg) {
    $position++;
    $argument = $this->argument[$id];

    if ($argument->broken()) {
      continue;
    }

    $argument->setRelationship();

    $arg = isset($this->args[$position]) ? $this->args[$position] : NULL;
    $argument->position = $position;

    if (isset($arg) || $argument->hasDefaultArgument()) {
      if (!isset($arg)) {
        $arg = $argument->getDefaultArgument();
        // make sure default args get put back.
        if (isset($arg)) {
          $this->args[$position] = $arg;
        }
        // remember that this argument was computed, not passed on the URL.
        $argument->is_default = TRUE;
      }

      // Set the argument, which will also validate that the argument can be set.
      if (!$argument->setArgument($arg)) {
        $status = $argument->validateFail($arg);
        break;
      }

      if ($argument->isException()) {
        $arg_title = $argument->exceptionTitle();
      }
      else {
        $arg_title = $argument->getTitle();
        $argument->query($this->display_handler->useGroupBy());
      }

      // Add this argument's substitution
      $substitutions["{{ arguments.$id }}"] = $arg_title;
      $substitutions["{{ raw_arguments.$id }}"] = strip_tags(Html::decodeEntities($arg));

      // Test to see if we should use this argument's title
      if (!empty($argument->options['title_enable']) && !empty($argument->options['title'])) {
        $title = $argument->options['title'];
      }
    }
    else {
      // determine default condition and handle.
      $status = $argument->defaultAction();
      break;
    }

    // Be safe with references and loops:
    unset($argument);
  }

  // set the title in the build info.
  if (!empty($title)) {
    $this->build_info['title'] = $title;
  }

  // Store the arguments for later use.
  $this->build_info['substitutions'] = $substitutions;

  return $status;
}