00001 <?php
00011 class views_handler_field_node_revision extends views_handler_field_node {
00012 function init(&$view, &$options) {
00013 parent::init($view, $options);
00014 if (!empty($this->options['link_to_node_revision'])) {
00015 $this->additional_fields['vid'] = 'vid';
00016 $this->additional_fields['nid'] = 'nid';
00017 if (module_exists('translation')) {
00018 $this->additional_fields['language'] = array('table' => 'node', 'field' => 'language');
00019 }
00020 }
00021 }
00022 function option_definition() {
00023 $options = parent::option_definition();
00024 $options['link_to_node_revision'] = array('default' => FALSE);
00025 return $options;
00026 }
00027
00031 function options_form(&$form, &$form_state) {
00032 $form['link_to_node_revision'] = array(
00033 '#title' => t('Link this field to its content revision'),
00034 '#description' => t('This will override any other link you have set.'),
00035 '#type' => 'checkbox',
00036 '#default_value' => !empty($this->options['link_to_node_revision']),
00037 );
00038 parent::options_form($form, $form_state);
00039 }
00040
00046 function render_link($data, $values) {
00047 if (!empty($this->options['link_to_node_revision']) && $data !== NULL && $data !== '') {
00048 $this->options['alter']['make_link'] = TRUE;
00049 $nid = $this->get_value($values, 'nid');
00050 $vid = $this->get_value($values, 'vid');
00051 $this->options['alter']['path'] = "node/" . $nid . '/revisions/' . $vid . '/view';
00052 if (module_exists('translation')) {
00053 $language = $this->get_value($values, 'language');
00054 $languages = language_list();
00055 if (isset($languages[$language])) {
00056 $this->options['alter']['language'] = $languages[$language];
00057 }
00058 }
00059 }
00060 else {
00061 return parent::render_link($data, $values);
00062 }
00063 return $data;
00064 }
00065 }
