<?php

/**
 * Implements hook_field_attach_form()
 *
 * Compact Select Labels in Views
 */
function compact_select_lists_field_attach_form($entity_type, $entity, &$form, &$form_state, $langcode) {
  foreach (element_children($form) as $name) {
    if (isset($form[$name]['#type']) && $form[$name]['#type'] == 'container' && isset($form[$name][$form[$name]['#language']]['#type']) && $form[$name][$form[$name]['#language']]['#type'] == 'select') {
      $form[$name][$form[$name]['#language']]['#options']['_none'] = '  ' .  $form[$name][$form[$name]['#language']]['#title'] . ($form[$name][$form[$name]['#language']]['#required'] ? ' * ' : '') . '  ';
      unset($form[$name][$form[$name]['#language']]['#title']);
    }
  }
}

/**
 * Implements hook_form_views_exposed_form_alter()
 *
 * Compact Select Labels in Views from http://drupal.org/node/1241808
 */
function compact_select_lists_form_views_exposed_form_alter(&$form, &$form_state, $form_id) {
  foreach ($form['#info'] as $key => &$filter) {
// TODO: Can automaticcaly find '#type' with e.g. drupal_array_get_nested_value()?
    $type = isset($form[$filter['value']]['#type']) ? $form[$filter['value']]['#type']: NULL;
    if ($type == 'select') {
      if (isset($filter['label'])) {
        $form[$filter['value']]['#options']['All'] = $filter['label'];
        unset($filter['label']);
      }
    }
    elseif ($type == NULL) { // e.g. from-to-fields like Date
      foreach ($form[$filter['value']] as $key => &$filter) {
        $type = isset($filter['#type']) ? $filter['#type']: '';
        if ($type == 'date_select') {
          if (isset($filter['#title'])) {
//          $form[$filter['#title']]['#options']['All'] = $filter['#title'];
//          unset($filter['#title']);
          }
        }
      }
    }
  }
}