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<?php
// $Id$
/**
* @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;
}
$url = url($this->view->get_url(NULL, $path), $url_options);
if ($display->has_path()) {
if (empty($this->preview)) {
drupal_add_feed($url, $title);
}
}
else {
if (empty($this->view->feed_icon)) {
$this->view->feed_icon = '';
}
$this->view->feed_icon .= theme('feed_icon', $url, $title);
drupal_add_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['mission_description'] = array('default' => '', 'translatable' => TRUE);
return $options;
}
function options_form(&$form, &$form_state) {
$form['mission_description'] = array(
'#type' => 'checkbox',
'#default_value' => !empty($this->options['mission_description']),
'#title' => t('Use the site mission for the description'),
);
$form['description'] = array(
'#type' => 'textfield',
'#title' => t('RSS description'),
'#default_value' => $this->options['description'],
'#description' => t('This will appear in the RSS feed itself.'),
'#process' => array('views_process_dependency'),
'#dependency' => array('edit-style-options-override' => array(FALSE)),
);
}
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committed
/**
* Return an array of additional XHTML elements to add to the channel.
*
* @return
* An array that can be passed to format_xml_elements().
*/
function get_channel_elements() {
return array();
}
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function render() {
if (empty($this->row_plugin)) {
vpr('views_plugin_style_default: Missing row plugin');
return;
}
$rows = '';
// This will be filled in by the row plugin and is used later on in the
// theming output.
$this->namespaces = array();
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// Fetch any additional elements for the channel and merge in their
// namespaces.
$this->channel_elements = $this->get_channel_elements();
foreach ($this->channel_elements as $element) {
if (isset($element['namespace'])) {
$this->namespaces = array_merge($this->namespaces, $element['namespace']);
}
}
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foreach ($this->view->result as $row) {
$rows .= $this->row_plugin->render($row);
}
return theme($this->theme_functions(), $this->view, $this->options, $rows);
}
}