crm.fsf.org/20131203/files/sites/all/modules-old/views/modules/node/views_handler_field_node_revision.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Definition of views_handler_field_node_revision.
   6  */
   7
   8 /**
   9  * Contains the basic 'node_revision' field handler.
  10  */
  11
  12 /**
  13  * A basic node_revision handler.
  14  *
  15  * @ingroup views_field_handlers
  16  */
  17 class views_handler_field_node_revision extends views_handler_field_node {
  18   function init(&$view, &$options) {
  19     parent::init($view, $options);
  20     if (!empty($this->options['link_to_node_revision'])) {
  21       $this->additional_fields['vid'] = 'vid';
  22       $this->additional_fields['nid'] = 'nid';
  23       if (module_exists('translation')) {
  24         $this->additional_fields['language'] = array('table' => 'node', 'field' => 'language');
  25       }
  26     }
  27   }
  28   function option_definition() {
  29     $options = parent::option_definition();
  30     $options['link_to_node_revision'] = array('default' => FALSE, 'bool' => TRUE);
  31     return $options;
  32   }
  33
  34   /**
  35    * Provide link to revision option.
  36    */
  37   function options_form(&$form, &$form_state) {
  38     $form['link_to_node_revision'] = array(
  39       '#title' => t('Link this field to its content revision'),
  40       '#description' => t('This will override any other link you have set.'),
  41       '#type' => 'checkbox',
  42       '#default_value' => !empty($this->options['link_to_node_revision']),
  43     );
  44     parent::options_form($form, $form_state);
  45   }
  46
  47   /**
  48    * Render whatever the data is as a link to the node.
  49    *
  50    * Data should be made XSS safe prior to calling this function.
  51    */
  52   function render_link($data, $values) {
  53     if (!empty($this->options['link_to_node_revision']) && $data !== NULL && $data !== '') {
  54       $this->options['alter']['make_link'] = TRUE;
  55       $nid = $this->get_value($values, 'nid');
  56       $vid = $this->get_value($values, 'vid');
  57       $this->options['alter']['path'] = 'node/' . $nid;
  58       if ($nid != $vid) {
  59         $this->options['alter']['path'] .= "/revisions/$vid/view";
  60       }
  61       if (module_exists('translation')) {
  62         $language = $this->get_value($values, 'language');
  63         $languages = language_list();
  64         if (isset($languages[$language])) {
  65           $this->options['alter']['language'] = $languages[$language];
  66         }
  67       }
  68     }
  69     else {
  70       return parent::render_link($data, $values);
  71     }
  72     return $data;
  73   }
  74 }