views/views_rss_views_fields.theme.inc

   1 <?php
   2 // $Id$
   3
   4 /**
   5  * Template preprocessor for views-view-views-rss-fields.tpl.php.
   6  */
   7 function template_preprocess_views_view_views_rss_fields(&$vars) {
   8   $view = $vars['view'];
   9
  10   // Set basic info - title, description - about the feed
  11   $vars['viewtitle'] = variable_get('site_name', array()) . ' | ' . $view->display[$view->current_display]->display_title;
  12
  13   if ($view->style_options['description']['feed_description']) {
  14     $description = $view->style_options['description']['feed_description'];
  15   }
  16   else {
  17     $description = variable_get('site_mission', '');
  18   }
  19   $vars['description'] = theme('views_rss_feed_description', $description, $view);
  20
  21   // Base URL for link tag
  22   global $base_url;
  23   $vars['link'] = $base_url;
  24
  25   // Grab the rows, push to field mapping function, gather namespaces.
  26   $elements = $namespaces = array();
  27   $rows = '';
  28   $items = $view->style_plugin->map_rows($vars['rows']);
  29   foreach($items as $item) {
  30     // Special handling for GeoRSS.
  31     if (isset($item['lat']) && isset($item['lon'])) {
  32       $item['georss:point'] = $item['lat'] .' '.  $item['lon'];
  33     }
  34     unset($item['lat']);
  35     unset($item['lon']);
  36     $rows .= theme('views_rss_fields_item', $item);
  37     foreach ($item as $k => $v) {
  38       $elements[$k] = $k;
  39     }
  40   }
  41   $vars['rows'] = $rows;
  42   foreach ($elements as $e) {
  43     if ($namespace = $view->style_plugin->xml_namespace($e)) {
  44       $namespaces[] = "xmlns:{$namespace['local']}=\"{$namespace['namespace']}\"";
  45     }
  46   }
  47   $vars['namespaces'] = implode(' ', $namespaces);
  48
  49   // Set Headers
  50   drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');
  51 }
  52
  53 /**
  54  * Template preprocessor for views-rss-fields-item.tpl.php.
  55  */
  56 function template_preprocess_views_rss_fields_item(&$vars) {
  57   $item = $vars['item'];
  58
  59   // GeoRSS
  60   if (isset($item['lat']) && isset($item['lon'])) {
  61     $item['georss:point'] = check_plain($item['lat'] . ' ' .  $item['lon']);
  62     unset($item['lat']);
  63     unset($item['lon']);
  64   }
  65
  66   // Loop through key=>value pairs
  67   $row = '';
  68   foreach ($item as $key => $value) {
  69     if ($value) {
  70       $row .= "<$key>". check_plain($value) ."</$key>\n";
  71     }
  72   }
  73
  74   $vars['row'] = $row;
  75 }
  76
  77 /**
  78  * Theme function for feed icon.
  79  */
  80 function theme_views_rss_feed_icon($url, $title, $icon) {
  81   if ($image = theme('image', $icon, t('Download RSS Feed'), $title)) {
  82     return '<a href="'. check_url($url) .'" class="feed-icon">'. $image .'</a>';
  83   }
  84 }
  85
  86 /**
  87  * Theme function for feed description.
  88  */
  89 function theme_views_rss_feed_description($description, $view) {
  90   return $description;
  91 }