crm.fsf.org/20131203/files/sites/all/modules-new/ctools/views_content/plugins/relationships/user_from_view.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Plugin to provide an relationship handler for user from term.
   6  */
   7
   8 /**
   9  * Plugins are described by creating a $plugin array which will be used
  10  * by the system that includes this file.
  11  */
  12 $plugin = array(
  13   'title' => t('User from view'),
  14   'keyword' => 'user',
  15   'description' => t('Extract a user context from a view context of the base type user.'),
  16   'required context' => new ctools_context_required(t('View'), 'view', array('base' => 'users')),
  17   'context' => 'views_content_user_from_view_context',
  18   'edit form' => 'views_content_user_from_view_settings_form',
  19   'edit form validate' => 'views_content_user_from_view_settings_form_validate',
  20   'defaults' => array('row' => 1),
  21 );
  22
  23 /**
  24  * Return a new context based on an existing context.
  25  */
  26 function views_content_user_from_view_context($context, $conf, $placeholder = FALSE) {
  27   // If unset it wants a generic, unfilled context, which is just NULL.
  28   if (empty($context->data) || $placeholder) {
  29     return ctools_context_create_empty('user', NULL);
  30   }
  31   $view = views_content_context_get_view($context);
  32   // Ensure the view executes, but we don't need its output.
  33   views_content_context_get_output($context);
  34
  35   $row = intval($conf['row']) - 1;
  36   if (isset($view->result[$row])) {
  37     $uid = $view->result[$row]->{$view->base_field};
  38     if ($uid) {
  39       $user = user_load($uid);
  40       return ctools_context_create('user', $user);
  41     }
  42   }
  43   return ctools_context_create_empty('user', NULL);
  44 }
  45
  46 /**
  47  * Settings form for the relationship.
  48  */
  49 function views_content_user_from_view_settings_form($form, &$form_state) {
  50   $conf = $form_state['conf'];
  51   $form['row'] = array(
  52     '#title' => t('Row number'),
  53     '#type' => 'textfield',
  54     '#default_value' => $conf['row'],
  55   );
  56
  57   return $form;
  58 }
  59
  60 function views_content_user_from_view_settings_form_validate($form, &$form_state) {
  61   if (intval($form_state['values']['row']) <= 0) {
  62     form_error($form['row'], t('Row number must be a positive integer value.'));
  63   }
  64 }