- <?php
- * @file
- * Contains the RSS style plugin.
- */
-
- * Default style plugin to render an RSS feed.
- *
- * @ingroup views_style_plugins
- */
- class views_plugin_style_rss extends views_plugin_style {
- function attach_to($display_id, $path, $title) {
- $display = $this->view->display[$display_id]->handler;
- $url_options = array();
- $input = $this->view->get_exposed_input();
- if ($input) {
- $url_options['query'] = $input;
- }
- $url_options['absolute'] = TRUE;
-
- $url = url($this->view->get_url(NULL, $path), $url_options);
- if ($display->has_path()) {
- if (empty($this->preview)) {
- backdrop_add_feed($url, $title);
- }
- }
- else {
- if (empty($this->view->feed_icon)) {
- $this->view->feed_icon = '';
- }
-
- if ($this->options['icon']) {
- $this->view->feed_icon .= theme('feed_icon', array('url' => $url, 'title' => $title));
- }
- backdrop_add_html_head_link(array(
- 'rel' => 'alternate',
- 'type' => 'application/rss+xml',
- 'title' => $title,
- 'href' => $url
- ));
- }
- }
-
- function option_definition() {
- $options = parent::option_definition();
-
- $options['description'] = array('default' => '', 'translatable' => TRUE);
- $options['icon'] = array('default' => TRUE, 'translatable' => TRUE);
-
- return $options;
- }
-
- function options_form(&$form, &$form_state) {
- parent::options_form($form, $form_state);
-
- $form['description'] = array(
- '#type' => 'textfield',
- '#title' => t('RSS description'),
- '#default_value' => $this->options['description'],
- '#description' => t('This will appear in the RSS feed itself.'),
- '#maxlength' => 1024,
- );
-
- $form['icon'] = array(
- '#type' => 'checkbox',
- '#title' => t('Add RSS icon to displays'),
- '#default_value' => $this->options['icon'],
- '#description' => t('Show an RSS icon on the displays to which this RSS feed is attached.'),
- );
- }
-
-
- * Return an array of additional XHTML elements to add to the channel.
- *
- * @return
- * An array that can be passed to format_xml_elements().
- */
- function get_channel_elements() {
- return array();
- }
-
-
- * Return an atom:link XHTML element to add to the channel, to comply with
- * the RSS 2.0 specification.
- *
- * @see http://validator.w3.org/feed/docs/warning/MissingAtomSelfLink.html
- *
- * @return
- * An array that can be passed to format_xml_elements().
- */
- function get_channel_elements_atom_link() {
- $url_options = array('absolute' => TRUE);
- $input = $this->view->get_exposed_input();
- if ($input) {
- $url_options['query'] = $input;
- }
- $url = url($this->view->get_url(), $url_options);
-
- return array(
- array(
- 'namespace' => array('xmlns:atom' => 'http://www.w3.org/2005/Atom'),
- 'key' => 'atom:link',
- 'attributes' => array(
- 'href' => $url,
- 'rel' => 'self',
- 'type' => 'application/rss+xml',
- ),
- ),
- );
- }
-
-
- * Get RSS feed description.
- *
- * @return string
- * The string containing the description with the tokens replaced.
- */
- function get_description() {
- $description = $this->options['description'];
-
-
- $description = $this->tokenize_value($description, 0);
-
- return $description;
- }
-
- function render() {
- if (empty($this->row_plugin)) {
- watchdog('views', 'views_plugin_style_default: Missing row plugin');
- return;
- }
- $rows = '';
-
-
-
- $this->namespaces = array(
- 'xmlns:dc' => 'http://purl.org/dc/elements/1.1/',
- 'xmlns:atom' => 'http://www.w3.org/2005/Atom',
- );
-
-
-
- $this->channel_elements = array_merge(
- $this->get_channel_elements(),
- $this->get_channel_elements_atom_link()
- );
- foreach ($this->channel_elements as $element) {
- if (isset($element['namespace'])) {
- $this->namespaces = array_merge($this->namespaces, $element['namespace']);
- }
- }
-
- foreach ($this->view->result as $row_index => $row) {
- $this->view->row_index = $row_index;
- $rows .= $this->row_plugin->render($row);
- }
-
- $output = theme($this->theme_functions(),
- array(
- 'view' => $this->view,
- 'options' => $this->options,
- 'rows' => $rows
- ));
- unset($this->view->row_index);
- return $output;
- }
- }