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<?php
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/**
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* @file
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* Definition of views_plugin_row_comment_rss.
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*/
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/**
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* Plugin which formats the comments as RSS items.
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*/
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class views_plugin_row_comment_rss extends views_plugin_row {
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/**
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* {@inheritdoc}
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*/
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public $base_table = 'comment';
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/**
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* {@inheritdoc}
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*/
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public $base_field = 'cid';
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/**
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* {@inheritdoc}
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*/
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public function option_definition() {
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$options = parent::option_definition();
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$options['item_length'] = array('default' => 'default');
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$options['links'] = array('default' => FALSE, 'bool' => TRUE);
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return $options;
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}
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/**
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* {@inheritdoc}
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*/
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$form['item_length'] = array(
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'#type' => 'select',
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'#title' => t('Display type'),
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'#options' => $this->options_form_summary_options(),
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'#default_value' => $this->options['item_length'],
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);
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$form['links'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display links'),
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'#default_value' => $this->options['links'],
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function pre_render($result) {
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$cids = array();
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$nids = array();
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foreach ($result as $row) {
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$cids[] = $row->cid;
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}
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$this->comments = comment_load_multiple($cids);
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foreach ($this->comments as &$comment) {
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$comment->depth = count(explode('.', $comment->thread)) - 1;
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$nids[] = $comment->nid;
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}
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$this->nodes = node_load_multiple($nids);
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}
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/**
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* Return the main options, which are shown in the summary title
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*
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* @see views_plugin_row_node_rss::options_form_summary_options()
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* @todo Maybe provide a views_plugin_row_rss_entity and reuse this method
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* in views_plugin_row_comment|node_rss.inc
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*/
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public function options_form_summary_options() {
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$entity_info = entity_get_info('node');
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$options = array();
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if (!empty($entity_info['view modes'])) {
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foreach ($entity_info['view modes'] as $mode => $settings) {
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$options[$mode] = $settings['label'];
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}
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}
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$options['title'] = t('Title only');
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$options['default'] = t('Use site default RSS settings');
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return $options;
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}
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/**
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* {@inheritdoc}
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*/
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public function render($row) {
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global $base_url;
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$cid = $row->{$this->field_alias};
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if (!is_numeric($cid)) {
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return;
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}
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$item_length = $this->options['item_length'];
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if ($item_length == 'default') {
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$item_length = variable_get('feed_item_length', 'teaser');
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}
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// Load the specified comment and its associated node.
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$comment = $this->comments[$cid];
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if (empty($comment) || empty($this->nodes[$comment->nid])) {
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return;
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}
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$item_text = '';
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$uri = entity_uri('comment', $comment);
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$comment->link = url($uri['path'], $uri['options'] + array('absolute' => TRUE));
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$comment->rss_namespaces = array();
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$comment->rss_elements = array(
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array(
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'key' => 'pubDate',
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'value' => gmdate('r', $comment->created),
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),
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array(
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'key' => 'dc:creator',
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'value' => format_username($comment),
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),
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array(
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'key' => 'guid',
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'value' => 'comment ' . $comment->cid . ' at ' . $base_url,
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'attributes' => array('isPermaLink' => 'false'),
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),
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);
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// The comment gets built and modules add to or modify
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// $comment->rss_elements and $comment->rss_namespaces.
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$build = comment_view($comment, $this->nodes[$comment->nid], 'rss');
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unset($build['#theme']);
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if (!empty($comment->rss_namespaces)) {
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$this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $comment->rss_namespaces);
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}
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// Hide the links if desired.
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if (!$this->options['links']) {
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hide($build['links']);
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}
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if ($item_length != 'title') {
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// We render comment contents and force links to be last.
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$build['links']['#weight'] = 1000;
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$item_text .= drupal_render($build);
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}
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$item = new stdClass();
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$item->description = $item_text;
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$item->title = $comment->subject;
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$item->link = $comment->link;
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$item->elements = $comment->rss_elements;
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$item->cid = $comment->cid;
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return theme($this->theme_functions(), array(
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'view' => $this->view,
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'options' => $this->options,
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'row' => $item
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));
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}
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}
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