crm.fsf.org/20131203/files/sites/all/modules-old/views/modules/comment/views_plugin_row_comment_rss.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Contains the comment RSS row style plugin.
   6  */
   7
   8 /**
   9  * Plugin which formats the comments as RSS items.
  10  */
  11 class views_plugin_row_comment_rss extends views_plugin_row {
  12    var $base_table = 'comment';
  13    var $base_field = 'cid';
  14
  15   function option_definition() {
  16     $options = parent::option_definition();
  17
  18     $options['item_length'] = array('default' => 'default');
  19     $options['links'] = array('default' => FALSE, 'bool' => TRUE);
  20
  21     return $options;
  22   }
  23
  24   function options_form(&$form, &$form_state) {
  25     parent::options_form($form, $form_state);
  26
  27     $form['item_length'] = array(
  28       '#type' => 'select',
  29       '#title' => t('Display type'),
  30       '#options' => $this->options_form_summary_options(),
  31       '#default_value' => $this->options['item_length'],
  32     );
  33     $form['links'] = array(
  34       '#type' => 'checkbox',
  35       '#title' => t('Display links'),
  36       '#default_value' => $this->options['links'],
  37     );
  38   }
  39
  40
  41   function pre_render($result) {
  42     $cids = array();
  43     $nids = array();
  44
  45     foreach ($result as $row) {
  46       $cids[] = $row->cid;
  47     }
  48
  49     $this->comments = comment_load_multiple($cids);
  50     foreach ($this->comments as &$comment) {
  51       $comment->depth = count(explode('.', $comment->thread)) - 1;
  52       $nids[] = $comment->nid;
  53     }
  54
  55     $this->nodes = node_load_multiple($nids);
  56   }
  57
  58   /**
  59    * Return the main options, which are shown in the summary title
  60    *
  61    * @see views_plugin_row_node_rss::options_form_summary_options()
  62    * @todo: Maybe provide a views_plugin_row_rss_entity and reuse this method
  63    * in views_plugin_row_comment|node_rss.inc
  64    */
  65   function options_form_summary_options() {
  66     $entity_info = entity_get_info('node');
  67     $options = array();
  68     if (!empty($entity_info['view modes'])) {
  69       foreach ($entity_info['view modes'] as $mode => $settings) {
  70         $options[$mode] = $settings['label'];
  71       }
  72     }
  73     $options['title'] = t('Title only');
  74     $options['default'] = t('Use site default RSS settings');
  75     return $options;
  76   }
  77
  78
  79   function render($row) {
  80     global $base_url;
  81
  82     $cid = $row->{$this->field_alias};
  83     if (!is_numeric($cid)) {
  84       return;
  85     }
  86
  87     $item_length = $this->options['item_length'];
  88     if ($item_length == 'default') {
  89       $item_length = variable_get('feed_item_length', 'teaser');
  90     }
  91
  92     // Load the specified comment and its associated node:
  93     $comment = $this->comments[$cid];
  94     if (empty($comment) || empty($this->nodes[$comment->nid])) {
  95       return;
  96     }
  97
  98     $item_text = '';
  99
 100     $uri = entity_uri('comment', $comment);
 101     $comment->link = url($uri['path'], $uri['options'] + array('absolute' => TRUE));
 102     $comment->rss_namespaces = array();
 103     $comment->rss_elements = array(
 104       array(
 105         'key' => 'pubDate',
 106         'value' => gmdate('r', $comment->created),
 107       ),
 108       array(
 109         'key' => 'dc:creator',
 110         'value' => format_username($comment),
 111       ),
 112       array(
 113         'key' => 'guid',
 114         'value' => 'comment ' . $comment->cid . ' at ' . $base_url,
 115         'attributes' => array('isPermaLink' => 'false'),
 116       ),
 117     );
 118
 119     // The comment gets built and modules add to or modify
 120     // $comment->rss_elements and $comment->rss_namespaces.
 121     $build = comment_view($comment, $this->nodes[$comment->nid], 'rss');
 122     unset($build['#theme']);
 123
 124     if (!empty($comment->rss_namespaces)) {
 125       $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $comment->rss_namespaces);
 126     }
 127
 128     // Hide the links if desired.
 129     if (!$this->options['links']) {
 130       hide($build['links']);
 131     }
 132
 133     if ($item_length != 'title') {
 134       // We render comment contents and force links to be last.
 135       $build['links']['#weight'] = 1000;
 136       $item_text .= drupal_render($build);
 137     }
 138
 139     $item = new stdClass();
 140     $item->description = $item_text;
 141     $item->title = $comment->subject;
 142     $item->link = $comment->link;
 143     $item->elements = $comment->rss_elements;
 144     $item->cid = $comment->cid;
 145
 146     return theme($this->theme_functions(), array(
 147       'view' => $this->view,
 148       'options' => $this->options,
 149       'row' => $item
 150     ));
 151   }
 152 }