modules/comment/views_handler_field_comment_node_link.inc

   1 <?php
   2 /**
   3 * Handler for showing comment module's node link.
   4  */
   5 class views_handler_field_comment_node_link extends views_handler_field {
   6   function construct() {
   7     parent::construct();
   8
   9     // Add the node fields that comment_link will need..
  10     $this->additional_fields['nid'] = array(
  11       'table' => 'node',
  12       'field' => 'nid',
  13     );
  14     $this->additional_fields['type'] = array(
  15       'table' => 'node',
  16       'field' => 'type',
  17     );
  18     $this->additional_fields['comment'] = array(
  19       'table' => 'node',
  20       'field' => 'comment',
  21     );
  22   }
  23
  24   function option_definition() {
  25     $options = parent::option_definition();
  26     $options['teaser'] = array('default' => 0);
  27     return $options;
  28   }
  29
  30   function options_form(&$form, &$form_state) {
  31     parent::options_form($form, $form_state);
  32
  33     $form['teaser'] = array(
  34       '#type' => 'checkbox',
  35       '#title' => t('Show teaser-style link'),
  36       '#default_value' => $this->options['teaser'],
  37       '#description' => 'Show the comment link in the form used on standard node teasers, rather than the full node form.',
  38     );
  39
  40   }
  41
  42   function query() {
  43     $this->ensure_my_table();
  44     $this->add_additional_fields();
  45   }
  46
  47   function render($values) {
  48     // Build fake $node.
  49     $node = new stdClass();
  50     $node->nid      = $values->{$this->aliases['nid']};
  51     $node->type     = $values->{$this->aliases['type']};
  52     $node->comment  = $values->{$this->aliases['comment']};
  53
  54     // Call comment.module's hook_link: comment_link($type, $node = NULL, $teaser = FALSE)
  55     $links = comment_link('node', $node, $this->options['teaser']);
  56     // question: should we run these through:    drupal_alter('link', $links, $node);
  57     // might this have unexpected consequences if these hooks expect items in $node that we don't have?
  58
  59     return !empty($links) ? theme('links', $links, array('class' => 'links inline')) : '';
  60   }
  61 }
  62