comparison sites/all/modules/webform/components/select.inc @ 0:ff03f76ab3fe

initial version

+<?php
+
+/**
+ * @file
+ * Webform module multiple select component.
+ */
+
+/**
+ * Implements _webform_defaults_component().
+ */
+function _webform_defaults_select() {
+  return array(
+    'name' => '',
+    'form_key' => NULL,
+    'mandatory' => 0,
+    'pid' => 0,
+    'weight' => 0,
+    'value' => '',
+    'extra' => array(
+      'items' => '',
+      'multiple' => NULL,
+      'aslist' => NULL,
+      'optrand' => 0,
+      'other_option' => NULL,
+      'other_text' => t('Other...'),
+      'title_display' => 0,
+      'description' => '',
+      'custom_keys' => FALSE,
+      'options_source' => '',
+      'private' => FALSE,
+    ),
+  );
+}
+
+/**
+ * Implements _webform_theme_component().
+ */
+function _webform_theme_select() {
+  return array(
+    'webform_display_select' => array(
+      'render element' => 'element',
+      'file' => 'components/select.inc',
+    ),
+  );
+}
+
+/**
+ * Implements _webform_edit_component().
+ */
+function _webform_edit_select($component) {
+  $form = array(
+    '#attached' => array(
+      'js' => array(
+        drupal_get_path('module', 'webform') . '/js/select-admin.js' => array('preprocess' => FALSE),
+        array('data' => array('webform' => array('selectOptionsUrl' => url('webform/ajax/options/' . $component['nid']))), 'type' => 'setting'),
+      ),
+    ),
+  );
+
+  $other = array();
+  if ($info = _webform_select_options_info()) {
+    $options = array('' => t('None'));
+    foreach ($info as $name => $source) {
+      $options[$name] = $source['title'];
+    }
+
+    $other['options_source'] = array(
+      '#title' => t('Load a pre-built option list'),
+      '#type' => 'select',
+      '#options' => $options,
+      '#default_value' => $component['extra']['options_source'],
+      '#weight' => 1,
+      '#description' => t('Use a pre-built list of options rather than entering options manually. Options will not be editable if using pre-built list.'),
+      '#parents' => array('extra', 'options_source'),
+      '#weight' => 5,
+    );
+  }
+
+  if (module_exists('select_or_other')) {
+    $other['other_option'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Allow "Other..." option'),
+      '#default_value' => $component['extra']['other_option'],
+      '#description' => t('Check this option if you want to allow users to enter an option not on the list.'),
+      '#parents' => array('extra', 'other_option'),
+      '#weight' => 2,
+    );
+    $other['other_text'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Text for "Other..." option'),
+      '#default_value' => $component['extra']['other_text'],
+      '#description' => t('If allowing other options, enter text to be used for other-enabling option.'),
+      '#parents' => array('extra', 'other_text'),
+      '#weight' => 3,
+    );
+  }
+
+  if (module_exists('options_element')) {
+    $options = _webform_select_options($component, FALSE, FALSE);
+
+    $form['items'] = array(
+      '#type' => 'fieldset',
+      '#title' => t('Options'),
+      '#collapsible' => TRUE,
+      '#attributes' => array('class' => array('webform-options-element')),
+      '#element_validate' => array('_webform_edit_validate_options'),
+      '#weight' => 2,
+    );
+
+    $form['items']['options'] = array(
+      '#type' => 'options',
+      '#limit' => 500,
+      '#optgroups' => $component['extra']['aslist'],
+      '#multiple' => $component['extra']['multiple'],
+      '#multiple_toggle' => t('Multiple'),
+      '#default_value' => $component['value'],
+      '#options' => $options,
+      '#options_readonly' => !empty($component['extra']['options_source']),
+      '#key_type' => 'mixed',
+      '#key_type_toggle' => t('Customize keys (Advanced)'),
+      '#key_type_toggled' => $component['extra']['custom_keys'],
+      '#default_value_pattern' => '^%.+\[.+\]$',
+      '#weight' => 1,
+    );
+
+    $form['items']['options']['option_settings'] = $other;
+  }
+  else {
+    $form['extra']['items'] = array(
+      '#type' => 'textarea',
+      '#title' => t('Options'),
+      '#default_value' => $component['extra']['items'],
+      '#description' => t('<strong>Key-value pairs MUST be specified as "safe_key|Some readable option"</strong>. Use of only alphanumeric characters and underscores is recommended in keys. One option per line. Option groups may be specified with &lt;Group Name&gt;. &lt;&gt; can be used to insert items at the root of the menu after specifying a group.') . theme('webform_token_help'),
+      '#cols' => 60,
+      '#rows' => 5,
+      '#weight' => 0,
+      '#required' => TRUE,
+      '#wysiwyg' => FALSE,
+      '#element_validate' => array('_webform_edit_validate_select'),
+    );
+
+    if (!empty($component['extra']['options_source'])) {
+      $form['extra']['items']['#attributes'] = array('readonly' => 'readonly');
+    }
+
+    $form['extra'] = array_merge($form['extra'], $other);
+    $form['value'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Default value'),
+      '#default_value' => $component['value'],
+      '#description' => t('The default value of the field identified by its key. For multiple selects use commas to separate multiple defaults.') . theme('webform_token_help'),
+      '#size' => 60,
+      '#maxlength' => 1024,
+      '#weight' => 0,
+    );
+    $form['extra']['multiple'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Multiple'),
+      '#default_value' => $component['extra']['multiple'],
+      '#description' => t('Check this option if the user should be allowed to choose multiple values.'),
+      '#weight' => 0,
+    );
+  }
+
+  $form['display']['aslist'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Listbox'),
+    '#default_value' => $component['extra']['aslist'],
+    '#description' => t('Check this option if you want the select component to be displayed as a select list box instead of radio buttons or checkboxes. Option groups (nested options) are only supported with listbox components.'),
+    '#parents' => array('extra', 'aslist'),
+  );
+  $form['display']['optrand'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Randomize options'),
+    '#default_value' => $component['extra']['optrand'],
+    '#description' => t('Randomizes the order of the options when they are displayed in the form.'),
+    '#parents' => array('extra', 'optrand'),
+  );
+
+  return $form;
+}
+
+/**
+ * Element validation callback. Ensure keys are not duplicated.
+ */
+function _webform_edit_validate_select($element, &$form_state) {
+  // Check for duplicate key values to prevent unexpected data loss. Require
+  // all options to include a safe_key.
+  if (!empty($element['#value'])) {
+    $lines = explode("\n", trim($element['#value']));
+    $existing_keys = array();
+    $duplicate_keys = array();
+    $missing_keys = array();
+    $long_keys = array();
+    $group = '';
+    foreach ($lines as $line) {
+      $matches = array();
+      $line = trim($line);
+      if (preg_match('/^\<([^>]*)\>$/', $line, $matches)) {
+        $group = $matches[1];
+        $key = NULL; // No need to store group names.
+      }
+      elseif (preg_match('/^([^|]*)\|(.*)$/', $line, $matches)) {
+        $key = $matches[1];
+        if (strlen($key) > 128) {
+          $long_keys[] = $key;
+        }
+      }
+      else {
+        $missing_keys[] = $line;
+      }
+
+      if (isset($key)) {
+        if (isset($existing_keys[$group][$key])) {
+          $duplicate_keys[$key] = $key;
+        }
+        else {
+          $existing_keys[$group][$key] = $key;
+        }
+      }
+    }
+
+    if (!empty($missing_keys)) {
+      form_error($element, t('Every option must have a key specified. Specify each option as "safe_key|Some readable option".'));
+    }
+
+    if (!empty($long_keys)) {
+      form_error($element, t('Option keys must be less than 128 characters. The following keys exceed this limit:') . theme('item_list', $long_keys));
+    }
+
+    if (!empty($duplicate_keys)) {
+      form_error($element, t('Options within the select list must be unique. The following keys have been used multiple times:') . theme('item_list', array('items' => $duplicate_keys)));
+    }
+
+    // Set the listbox option if needed.
+    if (empty($missing_keys) && empty($long_keys) && empty($duplicate_keys)) {
+      $options = _webform_select_options_from_text($element['#value']);
+      _webform_edit_validate_set_aslist($options, $form_state);
+    }
+  }
+
+  return TRUE;
+}
+
+/**
+ * Set the appropriate webform values when using the options element module.
+ */
+function _webform_edit_validate_options($element, &$form_state) {
+  $key = end($element['#parents']);
+  $element_options = $form_state['values'][$key]['options'];
+  unset($form_state['values'][$key]);
+
+  $form_state['values']['extra'][$key] = form_options_to_text($element_options['options'], 'custom');
+
+  // Options saved for select components.
+  if ($key == 'items') {
+    $form_state['values']['extra']['multiple'] = $element_options['multiple'];
+    $form_state['values']['extra']['custom_keys'] = $element_options['custom_keys'];
+    $form_state['values']['value'] = is_array($element_options['default_value']) ? implode(', ', $element_options['default_value']) : $element_options['default_value'];
+
+    // Set the listbox option if needed.
+    _webform_edit_validate_set_aslist($element_options['options'], $form_state);
+  }
+  // Options saved for grid components.
+  else {
+    $form_state['values']['extra']['custom_' . rtrim($key, 's') . '_keys'] = $element_options['custom_keys'];
+  }
+}
+
+/**
+ * Ensure "aslist" is used for option groups. Called from options validations.
+ */
+function _webform_edit_validate_set_aslist($options, &$form_state) {
+  if (empty($form_state['values']['extra']['aslist']) && !empty($options)) {
+    foreach ($options as $option) {
+      if (is_array($option)) {
+        $form_state['values']['extra']['aslist'] = 1;
+        drupal_set_message(t('The component %name has automatically been set to display as a listbox in order to support option groups.', array('%name' => $form_state['values']['name'])), 'warning');
+        break;
+      }
+    }
+  }
+}
+
+/**
+ * Implements _webform_render_component().
+ */
+function _webform_render_select($component, $value = NULL, $filter = TRUE) {
+  $node = isset($component['nid']) ? node_load($component['nid']) : NULL;
+
+  $element = array(
+    '#title' => $filter ? _webform_filter_xss($component['name']) : $component['name'],
+    '#title_display' => $component['extra']['title_display'] ? $component['extra']['title_display'] : 'before',
+    '#required' => $component['mandatory'],
+    '#weight' => $component['weight'],
+    '#description' => $filter ? _webform_filter_descriptions($component['extra']['description'], $node) : $component['extra']['description'],
+    '#theme_wrappers' => array('webform_element'),
+    '#pre_render' => array(), // Needed to disable double-wrapping of radios and checkboxes.
+    '#translatable' => array('title', 'description', 'options'),
+  );
+
+  // Convert the user-entered options list into an array.
+  $default_value = $filter ? _webform_filter_values($component['value'], $node, NULL, NULL, FALSE) : $component['value'];
+  $options = _webform_select_options($component, !$component['extra']['aslist'], $filter);
+
+  if ($component['extra']['optrand']) {
+    _webform_shuffle_options($options);
+  }
+
+  // Add default options if using a select list with no default. This trigger's
+  // Drupal 7's adding of the option for us. See @form_process_select().
+  if ($component['extra']['aslist'] && !$component['extra']['multiple'] && $default_value === '') {
+    $element['#empty_value'] = '';
+  }
+
+  // Set the component options.
+  $element['#options'] = $options;
+
+  // Set the default value.
+  if (isset($value)) {
+    if ($component['extra']['multiple']) {
+      // Set the value as an array.
+      $element['#default_value'] = array();
+      foreach ((array) $value as $key => $option_value) {
+        $element['#default_value'][] = $option_value;
+      }
+    }
+    else {
+      // Set the value as a single string.
+      $element['#default_value'] = '';
+      foreach ((array) $value as $option_value) {
+        $element['#default_value'] = $option_value;
+      }
+    }
+  }
+  elseif ($default_value !== '') {
+    // Convert default value to a list if necessary.
+    if ($component['extra']['multiple']) {
+      $varray = explode(',', $default_value);
+      foreach ($varray as $key => $v) {
+        $v = trim($v);
+        if ($v !== '') {
+          $element['#default_value'][] = $v;
+        }
+      }
+    }
+    else {
+      $element['#default_value'] = $default_value;
+    }
+  }
+  elseif ($component['extra']['multiple']) {
+    $element['#default_value'] = array();
+  }
+
+  if ($component['extra']['other_option'] && module_exists('select_or_other')) {
+    // Set display as a select_or_other element:
+    $element['#type'] = 'select_or_other';
+    $element['#other'] = !empty($component['extra']['other_text']) ? check_plain($component['extra']['other_text']) : t('Other...');
+    $element['#other_title'] = $element['#title'] . ' ' . $element['#other'];
+    $element['#other_title_display'] = 'invisible';
+    $element['#other_unknown_defaults'] = 'other';
+    $element['#other_delimiter'] = ', ';
+    // Merge in Webform's #process function for Select or other.
+    $element['#process'] = array_merge(element_info_property('select_or_other', '#process'), array('webform_expand_select_or_other'));
+
+    if ($component['extra']['multiple']) {
+      $element['#multiple'] = TRUE;
+      $element['#select_type'] = 'checkboxes';
+    }
+    else {
+      $element['#multiple'] = FALSE;
+      $element['#select_type'] = 'radios';
+    }
+    if ($component['extra']['aslist']) {
+      $element['#select_type'] = 'select';
+    }
+  }
+  elseif ($component['extra']['aslist']) {
+    // Set display as a select list:
+    $element['#type'] = 'select';
+    if ($component['extra']['multiple']) {
+      $element['#size'] = 4;
+      $element['#multiple'] = TRUE;
+    }
+  }
+  else {
+    if ($component['extra']['multiple']) {
+      // Set display as a checkbox set.
+      $element['#type'] = 'checkboxes';
+      $element['#theme_wrappers'] = array_merge(array('checkboxes'), $element['#theme_wrappers']);
+      $element['#process'] = array_merge(element_info_property('checkboxes', '#process'), array('webform_expand_select_ids'));
+
+      // Entirely replace the normal expand checkboxes with our custom version.
+      // This helps render checkboxes in multipage forms.
+      $process_key = array_search('form_process_checkboxes', $element['#process']);
+      $element['#process'][$process_key] = 'webform_expand_checkboxes';
+    }
+    else {
+      // Set display as a radio set.
+      $element['#type'] = 'radios';
+      $element['#theme_wrappers'] = array_merge(array('radios'), $element['#theme_wrappers']);
+      $element['#process'] = array_merge(element_info_property('radios', '#process'), array('webform_expand_select_ids'));
+    }
+  }
+
+  return $element;
+}
+
+/**
+ * Process function to ensure select_or_other elements validate properly.
+ */
+function webform_expand_select_or_other($element) {
+  // Disable validation for back-button and save draft.
+  $element['select']['#validated'] = TRUE;
+  $element['select']['#webform_validated'] = FALSE;
+
+  $element['other']['#validated'] = TRUE;
+  $element['other']['#webform_validated'] = FALSE;
+
+  // The Drupal FAPI does not support #title_display inline so we need to move
+  // to a supported value here to be compatible with select_or_other.
+  $element['select']['#title_display'] = $element['#title_display'] === 'inline' ? 'before' : $element['#title_display'];
+
+  // If the default value contains "select_or_other" (the key of the select
+  // element for the "other..." choice), discard it and set the "other" value.
+  if (is_array($element['#default_value']) && in_array('select_or_other', $element['#default_value'])) {
+    $key = array_search('select_or_other', $element['#default_value']);
+    unset($element['#default_value'][$key]);
+    $element['#default_value'] = array_values($element['#default_value']);
+    $element['other']['#default_value'] = implode(', ', $element['#default_value']);
+  }
+
+  // Sanitize the options in Select or other check boxes and radio buttons.
+  if ($element['#select_type'] == 'checkboxes' || $element['#select_type'] == 'radios') {
+    $element['select']['#process'] = array_merge(element_info_property($element['#select_type'], '#process'), array('webform_expand_select_ids'));
+  }
+
+  return $element;
+}
+
+/**
+ * Drupal 6 hack that properly *renders* checkboxes in multistep forms. This is
+ * different than the value hack needed in Drupal 5, which is no longer needed.
+ */
+function webform_expand_checkboxes($element) {
+  // Elements that have a value set are already in the form structure cause
+  // them not to be written when the expand_checkboxes function is called.
+  $default_value = array();
+  foreach (element_children($element) as $key) {
+    if (isset($element[$key]['#default_value'])) {
+      $default_value[$key] = $element[$key]['#default_value'];
+      unset($element[$key]);
+    }
+  }
+
+  $element = form_process_checkboxes($element);
+
+  // Escape the values of checkboxes.
+  foreach (element_children($element) as $key) {
+    $element[$key]['#return_value'] = check_plain($element[$key]['#return_value']);
+    $element[$key]['#name'] = $element['#name'] . '[' . $element[$key]['#return_value'] . ']';
+  }
+
+  foreach ($default_value as $key => $val) {
+    $element[$key]['#default_value'] = $val;
+  }
+  return $element;
+}
+
+/**
+ * FAPI process function to rename IDs attached to checkboxes and radios.
+ */
+function webform_expand_select_ids($element) {
+  $id = $element['#id'] = str_replace('_', '-', _webform_safe_name(strip_tags($element['#id'])));
+  $delta = 0;
+  foreach (element_children($element) as $key) {
+    $delta++;
+    // Convert the #id for each child to a safe name, regardless of key.
+    $element[$key]['#id'] = $id . '-' . $delta;
+
+    // Prevent scripts or CSS in the labels for each checkbox or radio.
+    $element[$key]['#title'] = _webform_filter_xss($element[$key]['#title']);
+  }
+  return $element;
+}
+
+/**
+ * Implements _webform_display_component().
+ */
+function _webform_display_select($component, $value, $format = 'html') {
+  return array(
+    '#title' => $component['name'],
+    '#weight' => $component['weight'],
+    '#multiple' => $component['extra']['multiple'],
+    '#theme' => 'webform_display_select',
+    '#theme_wrappers' => $format == 'html' ? array('webform_element') : array('webform_element_text'),
+    '#format' => $format,
+    '#options' => _webform_select_options($component, !$component['extra']['aslist']),
+    '#value' => (array) $value,
+    '#translatable' => array('title', 'options'),
+  );
+}
+
+/**
+ * Implements _webform_submit_component().
+ *
+ * Convert FAPI 0/1 values into something saveable.
+ */
+function _webform_submit_select($component, $value) {
+  // Build a list of all valid keys expected to be submitted.
+  $options = _webform_select_options($component, TRUE);
+
+  $return = NULL;
+  if (is_array($value)) {
+    $return = array();
+    foreach ($value as $key => $option_value) {
+      // Handle options that are specified options.
+      if ($option_value !== '' && isset($options[$option_value])) {
+        // Checkboxes submit an integer value of 0 when unchecked. A checkbox
+        // with a value of '0' is valid, so we can't use empty() here.
+        if ($option_value === 0 && !$component['extra']['aslist'] && $component['extra']['multiple']) {
+          unset($value[$option_value]);
+        }
+        else {
+          $return[] = $option_value;
+        }
+      }
+      // Handle options that are added through the "other" field. Specifically
+      // exclude the "select_or_other" value, which is added by the select list.
+      elseif ($component['extra']['other_option'] && module_exists('select_or_other') && $option_value != 'select_or_other') {
+        $return[] = $option_value;
+      }
+    }
+  }
+  elseif (is_string($value)) {
+    $return = $value;
+  }
+
+  return $return;
+}
+
+/**
+ * Format the text output for this component.
+ */
+function theme_webform_display_select($variables) {
+  $element = $variables['element'];
+
+  // Flatten the list of options so we can get values easily. These options
+  // may be translated by hook_webform_display_component_alter().
+  $options = array();
+  foreach ($element['#options'] as $key => $value) {
+    if (is_array($value)) {
+      foreach ($value as $subkey => $subvalue) {
+        $options[$subkey] = $subvalue;
+      }
+    }
+    else {
+      $options[$key] = $value;
+    }
+  }
+
+  $items = array();
+  if ($element['#multiple']) {
+    foreach ((array) $element['#value'] as $option_value) {
+      if ($option_value !== '') {
+        // Administer provided values.
+        if (isset($options[$option_value])) {
+          $items[] = $element['#format'] == 'html' ? _webform_filter_xss($options[$option_value]) : $options[$option_value];
+        }
+        // User-specified in the "other" field.
+        else {
+          $items[] = $element['#format'] == 'html' ? check_plain($option_value) : $option_value;
+        }
+      }
+    }
+  }
+  else {
+    if (isset($element['#value'][0]) && $element['#value'][0] !== '') {
+      // Administer provided values.
+      if (isset($options[$element['#value'][0]])) {
+        $items[] = $element['#format'] == 'html' ? _webform_filter_xss($options[$element['#value'][0]]) : $options[$element['#value'][0]];
+      }
+      // User-specified in the "other" field.
+      else {
+        $items[] = $element['#format'] == 'html' ? check_plain($element['#value'][0]) : $element['#value'][0];
+      }
+    }
+  }
+
+  if ($element['#format'] == 'html') {
+    $output = count($items) > 1 ? theme('item_list', array('items' => $items)) : (isset($items[0]) ? $items[0] : ' ');
+  }
+  else {
+    if (count($items) > 1) {
+      foreach ($items as $key => $item) {
+        $items[$key] = ' - ' . $item;
+      }
+      $output = implode("\n", $items);
+    }
+    else {
+      $output = isset($items[0]) ? $items[0] : ' ';
+    }
+  }
+
+  return $output;
+}
+
+/**
+ * Implements _webform_analysis_component().
+ */
+function _webform_analysis_select($component, $sids = array(), $single = FALSE) {
+  $options = _webform_select_options($component, TRUE);
+  $show_other_results = $single;
+
+  $sid_placeholders = count($sids) ? array_fill(0, count($sids), "'%s'") : array();
+  $sid_filter = count($sids) ? " AND sid IN (" . implode(",", $sid_placeholders) . ")" : "";
+
+  $option_operator = $show_other_results ? 'NOT IN' : 'IN';
+  $query = db_select('webform_submitted_data', 'wsd', array('fetch' => PDO::FETCH_ASSOC))
+    ->fields('wsd', array('data'))
+    ->condition('nid', $component['nid'])
+    ->condition('cid', $component['cid'])
+    ->condition('data', '', '<>')
+    ->condition('data', array_keys($options), $option_operator)
+    ->groupBy('data');
+  $query->addExpression('COUNT(data)', 'datacount');
+
+  if (count($sids)) {
+    $query->condition('sid', $sids, 'IN');
+  }
+
+  $count_query = db_select('webform_submitted_data', 'wsd', array('fetch' => PDO::FETCH_ASSOC))
+    ->condition('nid', $component['nid'])
+    ->condition('cid', $component['cid'])
+    ->condition('data', '', '<>');
+  $count_query->addExpression('COUNT(*)', 'datacount');
+  if (count($sids)) {
+    $count_query->condition('sid', $sids, 'IN');
+  }
+
+  $result = $query->execute();
+  $rows = array();
+  $normal_count = 0;
+  foreach ($result as $data) {
+    $display_option = $single ? $data['data'] : $options[$data['data']];
+    $rows[$data['data']] = array(_webform_filter_xss($display_option), $data['datacount']);
+    $normal_count += $data['datacount'];
+  }
+
+  if (!$show_other_results) {
+    // Order the results according to the normal options array.
+    $ordered_rows = array();
+    foreach (array_intersect_key($options, $rows) as $key => $label) {
+      $ordered_rows[] = $rows[$key];
+    }
+
+    // Add a row for any unknown or user-entered values.
+    if ($component['extra']['other_option']) {
+      $full_count = $count_query->execute()->fetchField();
+      $other_count = $full_count - $normal_count;
+      $display_option = !empty($component['extra']['other_text']) ? check_plain($component['extra']['other_text']) : t('Other...');
+      $other_text = $other_count ? $other_count . ' (' . l(t('view'), 'node/' . $component['nid'] . '/webform-results/analysis/' . $component['cid']) . ')' : $other_count;
+      $ordered_rows[] = array($display_option, $other_text);
+    }
+
+    $rows = $ordered_rows;
+  }
+
+  return $rows;
+}
+
+/**
+ * Implements _webform_table_component().
+ */
+function _webform_table_select($component, $value) {
+  // Convert submitted 'safe' values to un-edited, original form.
+  $options = _webform_select_options($component, TRUE);
+
+  $value = (array) $value;
+  $items = array();
+  // Set the value as a single string.
+  foreach ($value as $option_value) {
+    if ($option_value !== '') {
+      if (isset($options[$option_value])) {
+        $items[] = _webform_filter_xss($options[$option_value]);
+      }
+      else {
+        $items[] = check_plain($option_value);
+      }
+    }
+  }
+
+  return implode('<br />', $items);
+}
+
+/**
+ * Implements _webform_csv_headers_component().
+ */
+function _webform_csv_headers_select($component, $export_options) {
+  $headers = array(
+    0 => array(),
+    1 => array(),
+    2 => array(),
+  );
+
+  if ($component['extra']['multiple'] && $export_options['select_format'] == 'separate') {
+    $headers[0][] = '';
+    $headers[1][] = $component['name'];
+    $items = _webform_select_options($component, TRUE, FALSE);
+    if ($component['extra']['other_option']) {
+      $other_label = !empty($component['extra']['other_text']) ? check_plain($component['extra']['other_text']) : t('Other...');
+      $items[$other_label] = $other_label;
+    }
+    $count = 0;
+    foreach ($items as $key => $item) {
+      // Empty column per sub-field in main header.
+      if ($count != 0) {
+        $headers[0][] = '';
+        $headers[1][] = '';
+      }
+      if ($export_options['select_keys']) {
+        $headers[2][] = $key;
+      }
+      else {
+        $headers[2][] = $item;
+      }
+      $count++;
+    }
+  }
+  else {
+    $headers[0][] = '';
+    $headers[1][] = '';
+    $headers[2][] = $component['name'];
+  }
+  return $headers;
+}
+
+/**
+ * Implements _webform_csv_data_component().
+ */
+function _webform_csv_data_select($component, $export_options, $value) {
+  $options = _webform_select_options($component, TRUE, FALSE);
+  $return = array();
+
+  if ($component['extra']['multiple']) {
+    foreach ($options as $key => $item) {
+      $index = array_search($key, (array) $value);
+      if ($index !== FALSE) {
+        if ($export_options['select_format'] == 'separate') {
+          $return[] = 'X';
+        }
+        else {
+          $return[] = $export_options['select_keys'] ? $key : $item;
+        }
+        unset($value[$index]);
+      }
+      elseif ($export_options['select_format'] == 'separate') {
+        $return[] = '';
+      }
+    }
+
+    // Any remaining items in the $value array will be user-added options.
+    if ($component['extra']['other_option']) {
+      $return[] = count($value) ? implode(',', $value) : '';
+    }
+  }
+  else {
+    $key = $value[0];
+    if ($export_options['select_keys']) {
+      $return = $key;
+    }
+    else {
+      $return = isset($options[$key]) ? $options[$key] : $key;
+    }
+  }
+
+  if ($component['extra']['multiple'] && $export_options['select_format'] == 'compact') {
+    $return = implode(',', (array) $return);
+  }
+
+  return $return;
+}
+
+/**
+ * Menu callback; Return a predefined list of select options as JSON.
+ */
+function webform_select_options_ajax($source_name = '') {
+  $info = _webform_select_options_info();
+
+  $component['extra']['options_source'] = $source_name;
+  if ($source_name && isset($info[$source_name])) {
+    $options = _webform_select_options_to_text(_webform_select_options($component, !$component['extra']['aslist'], FALSE));
+  }
+  else {
+    $options = '';
+  }
+
+  $return = array(
+    'elementId' => module_exists('options_element') ? 'edit-items-options-options-field-widget' : 'edit-extra-items',
+    'options' => $options,
+  );
+
+  drupal_json_output($return);
+}
+
+/**
+ * Generate a list of options for a select list.
+ */
+function _webform_select_options($component, $flat = FALSE, $filter = TRUE) {
+  if ($component['extra']['options_source']) {
+    $options = _webform_select_options_callback($component['extra']['options_source'], $component, $flat, $filter);
+  }
+  else {
+    $options = _webform_select_options_from_text($component['extra']['items'], $flat, $filter);
+  }
+
+  return isset($options) ? $options : array();
+}
+
+/**
+ * Load Webform select option info from 3rd party modules.
+ */
+function _webform_select_options_info() {
+  static $info;
+  if (!isset($info)) {
+    $info = array();
+
+    foreach (module_implements('webform_select_options_info') as $module) {
+      $additions = module_invoke($module, 'webform_select_options_info');
+      foreach ($additions as $key => $addition) {
+        $additions[$key]['module'] = $module;
+      }
+      $info = array_merge($info, $additions);
+    }
+    drupal_alter('webform_select_options_info', $info);
+  }
+  return $info;
+}
+
+/**
+ * Execute a select option callback.
+ *
+ * @param $name
+ *   The name of the options group.
+ * @param $component
+ *   The full Webform component.
+ * @param $flat
+ *   Whether the information returned should exclude any nested groups.
+ * @param $filter
+ *   Whether information returned should be sanitized. Defaults to TRUE.
+ */
+function _webform_select_options_callback($name, $component, $flat = FALSE, $filter = TRUE) {
+  $info = _webform_select_options_info();
+
+  // Include any necessary files.
+  if (isset($info[$name]['file'])) {
+    $pathinfo = pathinfo($info[$name]['file']);
+    $path = ($pathinfo['dirname'] ? $pathinfo['dirname'] . '/' : '') . basename($pathinfo['basename'], '.' . $pathinfo['extension']);
+    module_load_include($pathinfo['extension'], $info[$name]['module'], $path);
+  }
+
+  // Execute the callback function.
+  if (isset($info[$name]['options callback']) && function_exists($info[$name]['options callback'])) {
+    $function = $info[$name]['options callback'];
+
+    $arguments = array();
+    if (isset($info[$name]['options arguments'])) {
+      $arguments = $info[$name]['options arguments'];
+    }
+
+    return $function($component, $flat, $filter, $arguments);
+  }
+}
+
+/**
+ * Utility function to split user-entered values from new-line separated
+ * text into an array of options.
+ *
+ * @param $text
+ *   Text to be converted into a select option array.
+ * @param $flat
+ *   Optional. If specified, return the option array and exclude any optgroups.
+ * @param $filter
+ *   Optional. Whether or not to filter returned values.
+ */
+function _webform_select_options_from_text($text, $flat = FALSE, $filter = TRUE) {
+  static $option_cache = array();
+
+  // Keep each processed option block in an array indexed by the MD5 hash of
+  // the option text and the value of the $flat variable.
+  $md5 = md5($text);
+
+  // Check if this option block has been previously processed.
+  if (!isset($option_cache[$flat][$md5])) {
+    $options = array();
+    $rows = array_filter(explode("\n", trim($text)));
+    $group = NULL;
+    foreach ($rows as $option) {
+      $option = trim($option);
+      /**
+       * If the Key of the option is within < >, treat as an optgroup
+       *
+       * <Group 1>
+       *   creates an optgroup with the label "Group 1"
+       *
+       * <>
+       *   Unsets the current group, allowing items to be inserted at the root element.
+       */
+      if (preg_match('/^\<([^>]*)\>$/', $option, $matches)) {
+        if (empty($matches[1])) {
+          unset($group);
+        }
+        elseif (!$flat) {
+          $group = $filter ? _webform_filter_values($matches[1], NULL, NULL, NULL, FALSE) : $matches[1];
+        }
+      }
+      elseif (preg_match('/^([^|]+)\|(.*)$/', $option, $matches)) {
+        $key = $filter ? _webform_filter_values($matches[1], NULL, NULL, NULL, FALSE) : $matches[1];
+        $value = $filter ? _webform_filter_values($matches[2], NULL, NULL, NULL, FALSE) : $matches[2];
+        isset($group) ? $options[$group][$key] = $value : $options[$key] = $value;
+      }
+      else {
+        $filtered_option = $filter ? _webform_filter_values($option, NULL, NULL, NULL, FALSE) : $option;
+        isset($group) ? $options[$group][$filtered_option] = $filtered_option : $options[$filtered_option] = $filtered_option;
+      }
+    }
+
+    $option_cache[$flat][$md5] = $options;
+  }
+
+  // Return our options from the option_cache array.
+  return $option_cache[$flat][$md5];
+}
+
+/**
+ * Convert an array of options into text.
+ */
+function _webform_select_options_to_text($options) {
+  $output = '';
+  $previous_key = FALSE;
+
+  foreach ($options as $key => $value) {
+    // Convert groups.
+    if (is_array($value)) {
+      $output .= '<' . $key . '>' . "\n";
+      foreach ($value as $subkey => $subvalue) {
+        $output .= $subkey . '|' . $subvalue . "\n";
+      }
+      $previous_key = $key;
+    }
+    // Typical key|value pairs.
+    else {
+      // Exit out of any groups.
+      if (isset($options[$previous_key]) && is_array($options[$previous_key])) {
+        $output .= "<>\n";
+      }
+      // Skip empty rows.
+      if ($options[$key] !== '') {
+        $output .= $key . '|' . $value . "\n";
+      }
+      $previous_key = $key;
+    }
+  }
+
+  return $output;
+}
+
+/**
+ * Utility function to shuffle an array while preserving key-value pairs.
+ */
+function _webform_shuffle_options(&$array) {
+  // First shuffle the array keys, then use them as the basis for ordering
+  // the options.
+  $aux = array();
+  $keys = array_keys($array);
+  shuffle($keys);
+  foreach ($keys as $key) {
+    $aux[$key] = $array[$key];
+  }
+  $array = $aux;
+}