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  $form['help'] = array(

    '#type' => 'fieldset',

    '#collapsible' => TRUE,

    '#collapsed' => !empty($component['cid']),

    '#title' => t('About options and questions…'),

    '#description' => t('Options and questions may be configured here, in additional nested Select Options components, or even both.'),

    '#weight' => -4,

    'pros_and_cons' => array(

      '#theme' => 'table',

      '#header' => array('', t('Options and questions configured <strong>here</strong>'), t('Configured in additional <strong>nested</strong> components'), t('Both')),

      '#rows' => array(

        array(t('Questions'), t('Enter the questions below.'), t('Configure and save this grid, then add additional Select Options components nested (indented) below this grid.'), t('Additional questions from nested components will be displayed below any questions configured here.')),

        array(t('Options'), t('Enter options below.'), t('May be different for each question. Initially the same as defined below.'), t('Options from additional nested components will be merged with any options configured here.')),

        array(t('Checkboxes'), t('No. Radio buttons only.'), t('Yes. Some or all questions may be multiple choice with check boxes.'), ''),

        array(t('Default'), t('Yes. Must be same for all questions.'), t('Yes. May all be the same or different.'), ''),

        array(t('Pre-built option lists'), t('No.'), t('Yes.'), ''),

        array(t('Required'), t('Yes. Must be same for all questions.'), t('Yes. May all be the same or different.'), ''),

        array(t('Question conditionals'), t('No.'), t('Yes. Individual questions may be used in conditional rules and/or actions.'), t('The whole grid may be conditionally shown or required.')),

        array(t('Other types of nested components'), t('No.'), t('Yes. Other component types may also be included in the grid. They will be displayed where the options would normally be.'), ''),

      ),

    ),

  );

      '#weight' => -3,

      '#description' => t('<strong>Options to select across the top</strong>, such as "Poor" through "Excellent". Indicate the default to the left of the desired item. Use of only alphanumeric characters and underscores is recommended in keys.') . ' ' . theme('webform_token_help'),

      '#weight' => -2,

      '#description' => t('<strong>Questions list down the side of the grid.</strong> For a heading column on the right, append "|" and the right-side heading. Use of only alphanumeric characters and underscores is recommended in keys.') . ' ' . theme('webform_token_help'),

      '#description' => t('Options to select across the top, such as "Poor" through "Excellent" or "Stronly Disagree" through "Strongly Agree".') .

                          '<p>' . t('One key-value option per line. <strong>Key-value pairs MUST be specified as "safe_key|Some readable option"</strong>. Use of only alphanumeric characters and underscores is recommended in keys.') . '</p>' . theme('webform_token_help'),

      '#description' => t('Questions list down the side of the grid. One question per line. <strong>Key-value pairs MUST be specified as "safe_key|Some readable question"</strong>. For a heading column on the right, append "|" and the right-side heading. Use of only alphanumeric characters and underscores is recommended in keys.') . ' ' . theme('webform_token_help') . ' ' .

                        '<p>' . t('<strong>Or for more control</strong> over the appearance and configuration, create additional additional Select Options or other type components nested under this grid. They will operate as separate components, but be displayed within this grid.') . '</p>',

  $weights = array();

  // Process questions and options from nested components.

  foreach (element_children($element) as $key) {

    $question = $element[$key];

    // Both forms and grid displays have #webform_component.

    if (isset($question['#webform_component']) &&

        $question['#webform_component']['type'] == 'select' &&

        !$question['#webform_component']['extra']['aslist'] &&

        !$question['#webform_component']['extra']['other_option']) {

      $options = webform_grid_merge_options($options, $question['#options']);

      $weights[$key] = $question['#weight'];

    }

  // Add the internal grid questions.

  $weight = -1000;

  $value = isset($element['#default_value']) ? $element['#default_value'] : array();

      $question_value = isset($value[$key]) && $value[$key] !== '' ? $value[$key] : NULL;

        '#grid_question' => TRUE,

        '#options' => $element['#grid_options'],

        '#default_value' => $question_value,

        '#value' => $question_value,

        '#weight' => $weight,

      $weights[$key] = $weight;

      $weight++;

  if (!empty($element['#optrand'])) {

    _webform_shuffle_options($options);

  }

  $element['#grid_options'] = $options;

  asort($weights);

  if (!empty($element['#qrand'])) {

    _webform_shuffle_options($weights);

  }

  $weight = min($weights);

  foreach ($weights as $key => $old_weight) {

    $element[$key]['#options'] = webform_grid_remove_options($options, $element[$key]['#options']);

    $element[$key]['#weight'] = $weight++;

    $element['#grid_questions'][$key] = $element[$key]['#title'];

  }

  return $element;

}

/**

 * Helper. Merge select component options in order.

 *

 * @param array $existing

 *   An array of existing values into which any values from $new that aren't in

 *   $existing are inserted.

 * @param array $new

 *   Values to be inserted into $existing.

 * @return array

 *   The merged array.

 */

function webform_grid_merge_options($existing, $new) {

  $insert = NULL;

  $queue = array();

  foreach ($new as $key => $value) {

    if (isset($existing[$key])) {

      // Insert the queue before the found item.

      $insert = array_search($key, array_keys($existing));

      if ($queue) {

        $existing = array_slice($existing, 0, $insert, TRUE) +

                    $queue +

                    array_slice($existing, $insert, NULL, TRUE);

        $insert += count($queue);

        $queue = array();

      }

      $insert++;

    }

    elseif (is_null($insert)) {

      // It is not yet clear yet where to put this item. Add it to the queue.

      $queue[$key] = $value;

      // PHP array_splice does not preserved the keys of the inserted array,

      // but array_slice does (if the preserve keys parameter is TRUE).

      $existing = array_slice($existing, 0, $insert, TRUE) +

                  array($key => $value) +

                  array_slice($existing, $insert, NULL, TRUE);

      $insert++;

  // Append any left over queued items.

  $existing += $queue;

  return $existing;

}

/**

 * Helper. Replace missing options with empty values.

 *

 * @param array $header

 *   An array of options to be used at the grid table header.

 * @param array $row_options

 *   An array of options to be used for this row.

 * @return array

 *   The $row_options with any missing options replaced with empty values.

 **/

function webform_grid_remove_options($header, $row_options) {

  foreach ($header as $key => $value) {

    if (!isset($row_options[$key])) {

      $header[$key] = '';

    }

  }

  return $header;

    '#default_value' => $value,

/**

 * Preprocess function for displaying a grid component.

 */

function template_preprocess_webform_display_grid(&$variables) {

  $element =& $variables['element'];

  // Expand the grid, suppressing randomization. This builds the grid

  // questions and options.

  $element['#qrand'] = FALSE;

  $element['#optrand'] = FALSE;

  $element['#required'] = FALSE;

  $element = webform_expand_grid($element);

}

    // Set the header for the table.

    $header = _webform_grid_header($element, $right_titles);

    foreach (element_children($element) as $question_key) {

      $question_element = $element[$question_key];

      $questions = explode('|', $question_element['#title'], 2);

      $values = $question_element['#value'];

      $values = is_array($values) ? $values : array($values);

      if (isset($element['#grid_questions'][$question_key])) {

        foreach ($element['#grid_options'] as $option_value => $option_label) {

          if (in_array($option_value, $values)) {

            $row[] = array('data' => '<strong>X</strong>', 'class' => array('checkbox', 'webform-grid-option'));

          }

          else {

            $row[] = array('data' => ' ', 'class' => array('checkbox', 'webform-grid-option'));

          }

      else {

        $question_element['#title_display'] = 'none';

        $row[] = array(

          'data' => drupal_render($question_element),

          'colspan' => count($element['#grid_options']),

        );

      }

    foreach (element_children($element) as $question_key) {

      $question_element = $element[$question_key];

      if (isset($element['#grid_questions'][$question_key])) {

        $values = $question_element['#value'];

        $values = is_array($values) ? $values : array($values);

        foreach ($values as $value_key => $value) {

          if (isset($element['#grid_options'][$value])) {

            $values[$value_key] = $element['#grid_options'][$value];

          }

          else {

            unset($values[$value_key]);

          }

        }

        $value = implode(', ', $values);

      } else {

        $element[$question_key]['#title'] = '';

        $value = drupal_render($element[$question_key]);

      }

      $items[] = ' - ' . _webform_grid_question_header($question_element['#title']) . ': ' . $value;

   }

  // Return return the table unless there are no internal questions in the grid.

  if ($rows) {

    return array(

      'table_header' => $header,

      'table_rows' => $rows,

    );

  }

  // Return output if the grid contains internal questions.

  if (count($questions)) {

    return $output;

  }

  // Grids may contain nested multiple value select components.

  // Create a flat array of values.

  $values = array();

  array_walk_recursive($element['#value'], function($a) use (&$values) { $values[] = $a; });

  $nr_unique = count(array_unique($values));

  $nr_values = count($values);

  $header = _webform_grid_header($element, $right_titles);

    $title_element =& $question_element;

    if ($question_element['#type'] == 'select_or_other') {

      $title_element =& $question_element['select'];

    }

    $question_titles = explode('|', $title_element['#title'], 2);

    $required = !empty($question_element['#required']) ? theme('form_required_marker', array('element' => $question_element)) : '';

    $row = array(array('data' => t('!title !required', array('!title' => webform_filter_xss($question_titles[0]), '!required' => $required)), 'class' => array('webform-grid-question')));

    if ($question_element['#type'] == 'radios' || $question_element['#type'] == 'checkboxes') {

      $radios = form_process_radios($question_element);

      foreach (element_children($radios) as $key) {

        $radio_title = $radios[$key]['#title'];

        if (!strlen($radio_title)) {

          $row[] = ' ';

        }

        else {

          $radios[$key]['#title'] = $question_element['#title'] . ' - ' . $radio_title;

          $radios[$key]['#title_display'] = 'invisible';

          $row[] = array('data' => drupal_render($radios[$key]), 'class' => array('checkbox', 'webform-grid-option'), 'data-label' => array($radio_title));

        }

      }

    }

    else {

      $title_element['#title_display'] = 'none';

      $row[] = array(

        'data' => drupal_render($question_element),

        'colspan' => count($element['#grid_options']),

      );

    // Convert the parents array into a string, excluding the "submitted" wrapper.

    $nested_level = $question_element['#parents'][0] == 'submitted' ? 1 : 0;

    $parents = str_replace('_', '-', implode('--', array_slice($question_element['#parents'], $nested_level)));

    $rows[] = array(

      'data' => $row,

      'class' => empty($question_element['#grid_question'])

                    ? array('webform-component', 'webform-component-' . str_replace('_', '-', $question_element['#type']), 'webform-component--' . $parents)

                    : array(),

    );

/**

 * Generate a table header suitable for form or html display.

 */

function _webform_grid_header($element, $right_titles) {

  $titles = explode('|', $element['#title'], 2);

  $header = array(array('data' => _webform_grid_header_title($element, $titles[0]), 'class' => array('webform-grid-question')));

  foreach ($element['#grid_options'] as $option) {

    $header[] = array('data' => webform_filter_xss($option), 'class' => array('checkbox', 'webform-grid-option'));

  }

  if ($right_titles) {

    $header[] = array('data' => _webform_grid_header_title($element, isset($titles[1]) ? $titles[1] : ''), 'class' => array('webform-grid-question'));

  }

  return $header;

}

/**

 * Create internal component title for table header, if any.

 */

function _webform_grid_header_title($element, $title) {

  $header_title = '';

  if ($element['#title_display'] == 'internal') {

    $variables = array('element' => $element);

    $variables['element']['#title_display'] = 'before';

    $variables['element']['#title'] = $title;

    $header_title = theme('form_element_label', $variables);

  }

  return $header_title;

}

  if ($element['#title_display'] == 'internal' && substr_count($element['#title'], '|')) {

    return TRUE;

  }