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<?php
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// $Id: views_plugin_style_rss.inc,v 1.1 2008/09/03 19:21:30 merlinofchaos Exp $
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/**
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* @file
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* Contains the RSS style plugin.
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*/
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/**
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* Default style plugin to render an RSS feed.
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*
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* @ingroup views_style_plugins
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*/
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class views_plugin_style_rss extends views_plugin_style {
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function attach_to($display_id, $path, $title) {
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$display = $this->view->display[$display_id]->handler;
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$url_options = array();
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$input = $this->view->get_exposed_input();
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if ($input) {
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$url_options['query'] = $input;
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}
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$url = url($this->view->get_url(NULL, $path), $url_options);
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if ($display->has_path()) {
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if (empty($this->preview)) {
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drupal_add_feed($url, $title);
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}
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}
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else {
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if (empty($this->view->feed_icon)) {
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$this->view->feed_icon = '';
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}
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$this->view->feed_icon .= theme('feed_icon', $url, $title);
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drupal_add_link(array(
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'rel' => 'alternate',
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'type' => 'application/rss+xml',
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'title' => $title,
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'href' => $url
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));
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}
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}
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function option_definition() {
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$options = parent::option_definition();
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$options['description'] = array('default' => '', 'translatable' => TRUE);
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$options['mission_description'] = array('default' => '', 'translatable' => TRUE);
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return $options;
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}
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function options_form(&$form, &$form_state) {
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$form['mission_description'] = array(
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'#type' => 'checkbox',
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'#default_value' => !empty($this->options['mission_description']),
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'#title' => t('Use the site mission for the description'),
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);
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$form['description'] = array(
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'#type' => 'textfield',
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'#title' => t('RSS description'),
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'#default_value' => $this->options['description'],
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'#description' => t('This will appear in the RSS feed itself.'),
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-style-options-override' => array(FALSE)),
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);
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}
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/**
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* Return an array of additional XHTML elements to add to the channel.
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*
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* @return
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* An array that can be passed to format_xml_elements().
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*/
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function get_channel_elements() {
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return array();
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}
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function render() {
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if (empty($this->row_plugin)) {
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vpr('views_plugin_style_default: Missing row plugin');
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return;
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}
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$rows = '';
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// This will be filled in by the row plugin and is used later on in the
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// theming output.
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$this->namespaces = array();
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// Fetch any additional elements for the channel and merge in their
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// namespaces.
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$this->channel_elements = $this->get_channel_elements();
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foreach ($this->channel_elements as $element) {
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if (isset($element['namespace'])) {
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$this->namespaces = array_merge($this->namespaces, $element['namespace']);
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}
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}
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foreach ($this->view->result as $row) {
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$rows .= $this->row_plugin->render($row);
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}
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return theme($this->theme_functions(), $this->view, $this->options, $rows);
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}
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}
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