danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Webform module grid component.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: // Grid depends on functions provided by select.
danielebarchiesi@0: webform_component_include('select');
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_defaults_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_defaults_grid() {
danielebarchiesi@0:   return array(
danielebarchiesi@0:     'name' => '',
danielebarchiesi@0:     'form_key' => NULL,
danielebarchiesi@0:     'mandatory' => 0,
danielebarchiesi@0:     'pid' => 0,
danielebarchiesi@0:     'weight' => 0,
danielebarchiesi@0:     'extra' => array(
danielebarchiesi@0:       'options' => '',
danielebarchiesi@0:       'questions' => '',
danielebarchiesi@0:       'optrand' => 0,
danielebarchiesi@0:       'qrand' => 0,
danielebarchiesi@0:       'title_display' => 0,
danielebarchiesi@0:       'custom_option_keys' => 0,
danielebarchiesi@0:       'custom_question_keys' => 0,
danielebarchiesi@0:       'description' => '',
danielebarchiesi@0:       'private' => FALSE,
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_theme_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_theme_grid() {
danielebarchiesi@0:   return array(
danielebarchiesi@0:     'webform_grid' => array(
danielebarchiesi@0:       'render element' => 'element',
danielebarchiesi@0:       'file' => 'components/grid.inc',
danielebarchiesi@0:     ),
danielebarchiesi@0:     'webform_display_grid' => array(
danielebarchiesi@0:       'render element' => 'element',
danielebarchiesi@0:       'file' => 'components/grid.inc',
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_edit_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_edit_grid($component) {
danielebarchiesi@0:   $form = array();
danielebarchiesi@0: 
danielebarchiesi@0:   if (module_exists('options_element')) {
danielebarchiesi@0:     $form['options'] = array(
danielebarchiesi@0:       '#type' => 'fieldset',
danielebarchiesi@0:       '#title' => t('Options'),
danielebarchiesi@0:       '#collapsible' => TRUE,
danielebarchiesi@0:       '#description' => t('Options to select across the top. Usually these are ratings such as "poor" through "excellent" or "strongly disagree" through "strongly agree".'),
danielebarchiesi@0:       '#attributes' => array('class' => array('webform-options-element')),
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_validate_options'),
danielebarchiesi@0:     );
danielebarchiesi@0:     $form['options']['options'] = array(
danielebarchiesi@0:       '#type' => 'options',
danielebarchiesi@0:       '#options' => _webform_select_options_from_text($component['extra']['options'], TRUE),
danielebarchiesi@0:       '#optgroups' => FALSE,
danielebarchiesi@0:       '#default_value' => FALSE,
danielebarchiesi@0:       '#default_value_allowed' => FALSE,
danielebarchiesi@0:       '#optgroups' => FALSE,
danielebarchiesi@0:       '#key_type' => 'mixed',
danielebarchiesi@0:       '#key_type_toggle' => t('Customize option keys (Advanced)'),
danielebarchiesi@0:       '#key_type_toggled' => $component['extra']['custom_option_keys'],
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $form['questions'] = array(
danielebarchiesi@0:       '#type' => 'fieldset',
danielebarchiesi@0:       '#title' => t('Questions'),
danielebarchiesi@0:       '#collapsible' => TRUE,
danielebarchiesi@0:       '#description' => t('Questions list down the side of the grid.'),
danielebarchiesi@0:       '#attributes' => array('class' => array('webform-options-element')),
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_validate_options'),
danielebarchiesi@0:     );
danielebarchiesi@0:     $form['questions']['options'] = array(
danielebarchiesi@0:       '#type' => 'options',
danielebarchiesi@0:       '#options' => _webform_select_options_from_text($component['extra']['questions'], TRUE),
danielebarchiesi@0:       '#optgroups' => FALSE,
danielebarchiesi@0:       '#default_value' => FALSE,
danielebarchiesi@0:       '#default_value_allowed' => FALSE,
danielebarchiesi@0:       '#optgroups' => FALSE,
danielebarchiesi@0:       '#key_type' => 'mixed',
danielebarchiesi@0:       '#key_type_toggle' => t('Customize question keys (Advanced)'),
danielebarchiesi@0:       '#key_type_toggled' => $component['extra']['custom_question_keys'],
danielebarchiesi@0:     );
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $form['extra']['options'] = array(
danielebarchiesi@0:       '#type' => 'textarea',
danielebarchiesi@0:       '#title' => t('Options'),
danielebarchiesi@0:       '#default_value' => $component['extra']['options'],
danielebarchiesi@0:       '#description' => t('Options to select across the top. One 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.') . theme('webform_token_help'),
danielebarchiesi@0:       '#cols' => 60,
danielebarchiesi@0:       '#rows' => 5,
danielebarchiesi@0:       '#weight' => -3,
danielebarchiesi@0:       '#required' => TRUE,
danielebarchiesi@0:       '#wysiwyg' => FALSE,
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_validate_select'),
danielebarchiesi@0:     );
danielebarchiesi@0:     $form['extra']['questions'] = array(
danielebarchiesi@0:       '#type' => 'textarea',
danielebarchiesi@0:       '#title' => t('Questions'),
danielebarchiesi@0:       '#default_value' => $component['extra']['questions'],
danielebarchiesi@0:       '#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 option"</strong>. Use of only alphanumeric characters and underscores is recommended in keys.') . theme('webform_token_help'),
danielebarchiesi@0:       '#cols' => 60,
danielebarchiesi@0:       '#rows' => 5,
danielebarchiesi@0:       '#weight' => -2,
danielebarchiesi@0:       '#required' => TRUE,
danielebarchiesi@0:       '#wysiwyg' => FALSE,
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_validate_select'),
danielebarchiesi@0:     );
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $form['display']['optrand'] = array(
danielebarchiesi@0:     '#type' => 'checkbox',
danielebarchiesi@0:     '#title' => t('Randomize Options'),
danielebarchiesi@0:     '#default_value' => $component['extra']['optrand'],
danielebarchiesi@0:     '#description' => t('Randomizes the order of options on the top when they are displayed in the form.'),
danielebarchiesi@0:     '#parents' => array('extra', 'optrand')
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['display']['qrand'] = array(
danielebarchiesi@0:     '#type' => 'checkbox',
danielebarchiesi@0:     '#title' => t('Randomize Questions'),
danielebarchiesi@0:     '#default_value' => $component['extra']['qrand'],
danielebarchiesi@0:     '#description' => t('Randomize the order of the questions on the side when they are displayed in the form.'),
danielebarchiesi@0:     '#parents' => array('extra', 'qrand')
danielebarchiesi@0:   );
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_render_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_render_grid($component, $value = NULL, $filter = TRUE) {
danielebarchiesi@0:   $node = isset($component['nid']) ? node_load($component['nid']) : NULL;
danielebarchiesi@0: 
danielebarchiesi@0:   $element = array(
danielebarchiesi@0:     '#type' => 'webform_grid',
danielebarchiesi@0:     '#title' => $filter ? _webform_filter_xss($component['name']) : $component['name'],
danielebarchiesi@0:     '#title_display' => $component['extra']['title_display'] ? $component['extra']['title_display'] : 'before',
danielebarchiesi@0:     '#required' => $component['mandatory'],
danielebarchiesi@0:     '#weight' => $component['weight'],
danielebarchiesi@0:     '#description' => $filter ? _webform_filter_descriptions($component['extra']['description'], $node) : $component['extra']['description'],
danielebarchiesi@0:     '#grid_questions' => _webform_select_options_from_text($component['extra']['questions'], TRUE),
danielebarchiesi@0:     '#grid_options' => _webform_select_options_from_text($component['extra']['options'], TRUE),
danielebarchiesi@0:     '#optrand' => $component['extra']['optrand'],
danielebarchiesi@0:     '#qrand' => $component['extra']['qrand'],
danielebarchiesi@0:     '#theme' => 'webform_grid',
danielebarchiesi@0:     '#theme_wrappers' => array('webform_element'),
danielebarchiesi@0:     '#process' => array('webform_expand_grid'),
danielebarchiesi@0:     '#translatable' => array('title', 'description', 'grid_options', 'grid_questions'),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   if ($value) {
danielebarchiesi@0:     $element['#default_value'] = $value;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * A Form API #process function for Webform grid fields.
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_expand_grid($element) {
danielebarchiesi@0:   $options = $element['#grid_options'];
danielebarchiesi@0:   $questions = $element['#grid_questions'];
danielebarchiesi@0: 
danielebarchiesi@0:   if (!empty($element['#optrand'])) {
danielebarchiesi@0:     _webform_shuffle_options($options);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (!empty($element['#qrand'])) {
danielebarchiesi@0:     _webform_shuffle_options($questions);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   foreach ($questions as $key => $question) {
danielebarchiesi@0:     if ($question != '') {
danielebarchiesi@0:       $element[$key] = array(
danielebarchiesi@0:         '#title' => $question,
danielebarchiesi@0:         '#required' => $element['#required'],
danielebarchiesi@0:         '#options' => $options,
danielebarchiesi@0:         '#type' => 'radios',
danielebarchiesi@0:         '#process' => array('form_process_radios', 'webform_expand_select_ids'),
danielebarchiesi@0: 
danielebarchiesi@0:         // Webform handles validation manually.
danielebarchiesi@0:         '#validated' => TRUE,
danielebarchiesi@0:         '#webform_validated' => FALSE,
danielebarchiesi@0:         '#translatable' => array('title'),
danielebarchiesi@0:       );
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $value = isset($element['#default_value']) ? $element['#default_value'] : array();
danielebarchiesi@0:   foreach (element_children($element) as $key) {
danielebarchiesi@0:     if (isset($value[$key])) {
danielebarchiesi@0:       $element[$key]['#default_value'] = ($value[$key] !== '') ? $value[$key] : NULL;
danielebarchiesi@0:     }
danielebarchiesi@0:     else {
danielebarchiesi@0:       $element[$key]['#default_value'] = NULL;
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_display_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_display_grid($component, $value, $format = 'html') {
danielebarchiesi@0:   $questions = _webform_select_options_from_text($component['extra']['questions'], TRUE);
danielebarchiesi@0:   $options = _webform_select_options_from_text($component['extra']['options'], TRUE);
danielebarchiesi@0: 
danielebarchiesi@0:   $element = array(
danielebarchiesi@0:     '#title' => $component['name'],
danielebarchiesi@0:     '#weight' => $component['weight'],
danielebarchiesi@0:     '#format' => $format,
danielebarchiesi@0:     '#grid_questions' => $questions,
danielebarchiesi@0:     '#grid_options' => $options,
danielebarchiesi@0:     '#theme' => 'webform_display_grid',
danielebarchiesi@0:     '#theme_wrappers' => $format == 'html' ? array('webform_element') : array('webform_element_text'),
danielebarchiesi@0:     '#sorted' => TRUE,
danielebarchiesi@0:     '#translatable' => array('#title', '#grid_questions', '#grid_options'),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   foreach ($questions as $key => $question) {
danielebarchiesi@0:     if ($question !== '') {
danielebarchiesi@0:       $element[$key] = array(
danielebarchiesi@0:         '#title' => $question,
danielebarchiesi@0:         '#value' => isset($value[$key]) ? $value[$key] : NULL,
danielebarchiesi@0:         '#translatable' => array('#title', '#value'),
danielebarchiesi@0:       );
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Format the text output for this component.
danielebarchiesi@0:  */
danielebarchiesi@0: function theme_webform_display_grid($variables) {
danielebarchiesi@0:   $element = $variables['element'];
danielebarchiesi@0: 
danielebarchiesi@0:   $component = $element['#webform_component'];
danielebarchiesi@0:   $format = $element['#format'];
danielebarchiesi@0: 
danielebarchiesi@0:   if ($format == 'html') {
danielebarchiesi@0:     $rows = array();
danielebarchiesi@0:     $header = array(array('data' => '', 'class' => array('webform-grid-question')));
danielebarchiesi@0:     foreach ($element['#grid_options'] as $option) {
danielebarchiesi@0:       $header[] = array('data' => _webform_filter_xss($option), 'class' => array('checkbox', 'webform-grid-option'));
danielebarchiesi@0:     }
danielebarchiesi@0:     foreach ($element['#grid_questions'] as $question_key => $question) {
danielebarchiesi@0:       $row = array();
danielebarchiesi@0:       $row[] = array('data' => _webform_filter_xss($question), 'class' => array('webform-grid-question'));
danielebarchiesi@0:       foreach ($element['#grid_options'] as $option_value => $option_label) {
danielebarchiesi@0:         if (strcmp($element[$question_key]['#value'], $option_value) == 0) {
danielebarchiesi@0:           $row[] = array('data' => '<strong>X</strong>', 'class' => array('checkbox', 'webform-grid-option'));
danielebarchiesi@0:         }
danielebarchiesi@0:         else {
danielebarchiesi@0:           $row[] = array('data' => '&nbsp;', 'class' => array('checkbox', 'webform-grid-option'));
danielebarchiesi@0:         }
danielebarchiesi@0:       }
danielebarchiesi@0:       $rows[] = $row;
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     $option_count = count($header) - 1;
danielebarchiesi@0:     $output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('class' => array('webform-grid', 'webform-grid-' . $option_count))));
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $items = array();
danielebarchiesi@0:     foreach (element_children($element) as $key) {
danielebarchiesi@0:       $items[] = ' - ' . $element[$key]['#title'] . ': ' . (isset($element['#grid_options'][$element[$key]['#value']]) ? $element['#grid_options'][$element[$key]['#value']] : '');
danielebarchiesi@0:     }
danielebarchiesi@0:     $output = implode("\n", $items);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $output;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_analysis_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_analysis_grid($component, $sids = array()) {
danielebarchiesi@0:   // Generate the list of options and questions.
danielebarchiesi@0:   $options = _webform_select_options_from_text($component['extra']['options'], TRUE);
danielebarchiesi@0:   $questions = _webform_select_options_from_text($component['extra']['questions'], TRUE);
danielebarchiesi@0: 
danielebarchiesi@0:   // Generate a lookup table of results.
danielebarchiesi@0:   $query = db_select('webform_submitted_data', 'wsd')
danielebarchiesi@0:     ->fields('wsd', array('no', 'data'))
danielebarchiesi@0:     ->condition('nid', $component['nid'])
danielebarchiesi@0:     ->condition('cid', $component['cid'])
danielebarchiesi@0:     ->condition('data', '', '<>')
danielebarchiesi@0:     ->groupBy('no')
danielebarchiesi@0:     ->groupBy('data');
danielebarchiesi@0:   $query->addExpression('COUNT(sid)', 'datacount');
danielebarchiesi@0: 
danielebarchiesi@0:   if (count($sids)) {
danielebarchiesi@0:     $query->condition('sid', $sids, 'IN');
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $result = $query->execute();
danielebarchiesi@0:   $counts = array();
danielebarchiesi@0:   foreach ($result as $data) {
danielebarchiesi@0:     $counts[$data->no][$data->data] = $data->datacount;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Create an entire table to be put into the returned row.
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0:   $header = array('');
danielebarchiesi@0: 
danielebarchiesi@0:   // Add options as a header row.
danielebarchiesi@0:   foreach ($options as $option) {
danielebarchiesi@0:     $header[] = _webform_filter_xss($option);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Add questions as each row.
danielebarchiesi@0:   foreach ($questions as $qkey => $question) {
danielebarchiesi@0:     $row = array(_webform_filter_xss($question));
danielebarchiesi@0:     foreach ($options as $okey => $option) {
danielebarchiesi@0:       $row[] = !empty($counts[$qkey][$okey]) ? $counts[$qkey][$okey] : 0;
danielebarchiesi@0:     }
danielebarchiesi@0:     $rows[] = $row;
danielebarchiesi@0:   }
danielebarchiesi@0:   $output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('class' => array('webform-grid'))));
danielebarchiesi@0: 
danielebarchiesi@0: 
danielebarchiesi@0:   return array(array(array('data' => $output, 'colspan' => 2)));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_table_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_table_grid($component, $value) {
danielebarchiesi@0:   $questions = _webform_select_options_from_text($component['extra']['questions'], TRUE);
danielebarchiesi@0:   $options = _webform_select_options_from_text($component['extra']['options'], TRUE);
danielebarchiesi@0: 
danielebarchiesi@0:   $output = '';
danielebarchiesi@0:   // Set the value as a single string.
danielebarchiesi@0:   foreach ($questions as $key => $label) {
danielebarchiesi@0:     if (isset($value[$key]) && isset($options[$value[$key]])) {
danielebarchiesi@0:       $output .= _webform_filter_xss($label) . ': ' . _webform_filter_xss($options[$value[$key]]) . '<br />';
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $output;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_csv_headers_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_csv_headers_grid($component, $export_options) {
danielebarchiesi@0:   $header = array();
danielebarchiesi@0:   $header[0] = array('');
danielebarchiesi@0:   $header[1] = array($component['name']);
danielebarchiesi@0:   $items = _webform_select_options_from_text($component['extra']['questions'], TRUE);
danielebarchiesi@0:   $count = 0;
danielebarchiesi@0:   foreach ($items as $key => $item) {
danielebarchiesi@0:     // Empty column per sub-field in main header.
danielebarchiesi@0:     if ($count != 0) {
danielebarchiesi@0:       $header[0][] = '';
danielebarchiesi@0:       $header[1][] = '';
danielebarchiesi@0:     }
danielebarchiesi@0:     // The value for this option.
danielebarchiesi@0:     $header[2][] = $item;
danielebarchiesi@0:     $count++;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $header;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_csv_data_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_csv_data_grid($component, $export_options, $value) {
danielebarchiesi@0:   $questions = _webform_select_options_from_text($component['extra']['questions'], TRUE);
danielebarchiesi@0:   $options = _webform_select_options_from_text($component['extra']['options'], TRUE);
danielebarchiesi@0:   $return = array();
danielebarchiesi@0:   foreach ($questions as $key => $question) {
danielebarchiesi@0:     if (isset($value[$key]) && isset($options[$value[$key]])) {
danielebarchiesi@0:       $return[] = $export_options['select_keys'] ? $value[$key] : $options[$value[$key]];
danielebarchiesi@0:     }
danielebarchiesi@0:     else {
danielebarchiesi@0:       $return[] = '';
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0:   return $return;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: function theme_webform_grid($variables) {
danielebarchiesi@0:   $element = $variables['element'];
danielebarchiesi@0: 
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0:   $header = array(array('data' => '', 'class' => array('webform-grid-question')));
danielebarchiesi@0:   // Set the header for the table.
danielebarchiesi@0:   foreach ($element['#grid_options'] as $option) {
danielebarchiesi@0:     $header[] = array('data' => _webform_filter_xss($option), 'class' => array('checkbox', 'webform-grid-option'));
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   foreach (element_children($element) as $key) {
danielebarchiesi@0:     $question_element = $element[$key];
danielebarchiesi@0: 
danielebarchiesi@0:     // Create a row with the question title.
danielebarchiesi@0:     $row = array(array('data' => _webform_filter_xss($question_element['#title']), 'class' => array('webform-grid-question')));
danielebarchiesi@0: 
danielebarchiesi@0:     // Render each radio button in the row.
danielebarchiesi@0:     $radios = form_process_radios($question_element);
danielebarchiesi@0:     foreach (element_children($radios) as $key) {
danielebarchiesi@0:       $radios[$key]['#title_display'] = 'invisible';
danielebarchiesi@0:       $row[] = array('data' => drupal_render($radios[$key]), 'class' => array('checkbox', 'webform-grid-option'));
danielebarchiesi@0:     }
danielebarchiesi@0:     $rows[] = $row;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $option_count = count($header) - 1;
danielebarchiesi@0:   return theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('class' => array('webform-grid', 'webform-grid-' . $option_count))));
danielebarchiesi@0: }