xtemplate.engine

// $Id$

/**
 * @file
 * Handles the interface between XTemplate files and the Drupal theme system.
 */

// Initialize the xtemplate engine.
function xtemplate_init($template) {
  // We cannot use the theme() or path_to_theme() functions here
  if (!class_exists('XTemplate')) {
    include_once(dirname(__FILE__) . '/xtemplate.inc');
  }
  $GLOBALS["xtemplate"] = new StdClass();
  $dir = dirname($template->filename);
  $GLOBALS['xtemplate']->template = new XTemplate(basename($template->filename), $dir);
  $GLOBALS['xtemplate']->template->assign(array('directory' => $dir));
  $GLOBALS['xtemplate']->template->SetNullBlock(' ');  // '' doesn't work!
}

function xtemplate_templates() {
  return system_listing('^xtemplate\.xtmpl$', 'themes', 'filename');
}

function xtemplate_features() {
  return array(
       'logo',
       'toggle_name',
       'toggle_search',
       'toggle_slogan',
       'toggle_mission',
       'toggle_primary_links',
       'toggle_secondary_links',
       'toggle_node_user_picture',
       'toggle_comment_user_picture');
}

function xtemplate_node($node, $main = 0, $page = 0) {
  global $xtemplate;

  $xtemplate->template->assign(array(
        "submitted" => theme_get_setting("toggle_node_info_$node->type") ?
                         t("Submitted by %a on %b.",
                           array("%a" => format_name($node),
                            "%b" => format_date($node->created))) : '',
        "link"      => url("node/$node->nid"),
        "title"     => check_plain($node->title),
        "author"    => format_name($node),
        "date"      => format_date($node->created),
        "sticky"    => ($main && $node->sticky) ? 'sticky' : '',
        "content"   => ($main && $node->teaser) ? $node->teaser : $node->body));

  if ($page == 0) {
    $xtemplate->template->parse("node.title");
  }

  if (theme_get_setting('toggle_node_user_picture') && $picture = theme('user_picture', $node)) {
    $xtemplate->template->assign("picture", $picture);
    $xtemplate->template->parse("node.picture");
  }

  if (module_exist("taxonomy") && ($taxonomy = taxonomy_link("taxonomy terms", $node))) {
    $xtemplate->template->assign("taxonomy", theme_links($taxonomy));
    $xtemplate->template->parse("node.taxonomy");
  }

  if ($node->links) {
    $xtemplate->template->assign("links", theme_links($node->links));
    $xtemplate->template->parse("node.links");
  }

  $xtemplate->template->parse("node");
  $output = $xtemplate->template->text("node");
  $xtemplate->template->reset("node");
  return $output;
}

function xtemplate_comment($comment, $links = 0) {
  global $xtemplate;

  $xtemplate->template->assign(array (
    "new"       => t("new"),
    "submitted" => t("Submitted by %a on %b.",
                      array("%a" => format_name($comment),
                            "%b" => format_date($comment->timestamp))),
    "title"     => l($comment->subject, $_GET['q'], NULL, NULL, "comment-$comment->cid"),
    "author"    => format_name($comment),
    "date"      => format_date($comment->timestamp),
    "content"   => $comment->comment
  ));

  if ($comment->new) {
    $xtemplate->template->parse("comment.new");
  }

  if (theme_get_setting('toggle_comment_user_picture') && $picture = theme('user_picture', $comment)) {
    $xtemplate->template->assign("picture", $picture);
    $xtemplate->template->parse("comment.picture");
  }

  if ($links) {
    $xtemplate->template->assign("links", $links);
    $xtemplate->template->parse("comment.links");
  }

  $xtemplate->template->parse("comment");
  $output = $xtemplate->template->text("comment");
  $xtemplate->template->reset("comment");

  return $output;
}

function xtemplate_page($content) {
  global $xtemplate;

  // Construct page title
  if (drupal_get_title()) {
    $head_title = array(strip_tags(drupal_get_title()), variable_get('site_name', 'drupal'));
  }
  else {
    $head_title = array(variable_get('site_name', 'drupal'));
    if (variable_get('site_slogan', '')) {
      $head_title[] = variable_get('site_slogan', '');
    }
  }

  $xtemplate->template->assign(array(
    "language" => $GLOBALS['locale'],
    "head_title" => implode(' | ', $head_title),
    "head" => drupal_get_html_head(),
    "styles" => theme_get_styles(),
    "onload_attributes" => theme_onload_attribute(),
    "primary_links" => theme_get_setting('primary_links'),
    "secondary_links" => theme_get_setting('secondary_links')
   ));

  if ($logo = theme_get_setting('logo')) {
    $xtemplate->template->assign('logo', $logo);
    $xtemplate->template->parse('header.logo');
  }

  if (theme_get_setting('toggle_name')) {
    $xtemplate->template->assign('site_name', variable_get('site_name', ''));
    $xtemplate->template->parse('header.site_name');
  }

  if (theme_get_setting('toggle_slogan')) {
    $xtemplate->template->assign('site_slogan', variable_get('site_slogan', ''));
    $xtemplate->template->parse('header.site_slogan');
  }

  if ($tabs = theme('menu_local_tasks')) {
    $xtemplate->template->assign("tabs", $tabs);
    $xtemplate->template->parse("header.title.tabs");
  }

  if ($title = drupal_get_title()) {
    $xtemplate->template->assign("title", $title);
    $xtemplate->template->assign("breadcrumb", theme("breadcrumb", drupal_get_breadcrumb()));
    $xtemplate->template->parse("header.title");
  }

  if ($help = menu_get_active_help()) {
    $xtemplate->template->assign("help", $help);
    $xtemplate->template->parse("header.help");
  }

  if ($message = theme_status_messages()) {
    $xtemplate->template->assign("message", $message);
    $xtemplate->template->parse("header.message");
  }

  if (theme_get_setting('toggle_search')) {
    $xtemplate->template->assign(array(
          //"search" => search_form(),
          "search_url" => url("search"),
          "search_button_text" => t("Search"),
          "search_description" => t("Enter the terms you wish to search for."),
          "form_token" => form_token()
          ));
    $xtemplate->template->parse("header.search_box");
  }

  // only parse the mission block if we are on the frontpage ...
  if ($_GET["q"] == variable_get("site_frontpage", "node") && theme_get_setting('toggle_mission') && ($mission = theme_get_setting('mission'))) {
    $xtemplate->template->assign("mission", filter_xss($mission));
    $xtemplate->template->parse("header.mission");
  }

  if ($blocks = theme("blocks", "left")) {
    $xtemplate->template->assign("blocks", $blocks);
    $xtemplate->template->parse("header.blocks");
  }

  $xtemplate->template->parse("header");
  $output = $xtemplate->template->text("header");

  $output .= "\n<!-- begin content -->\n";
  $output .= $content;
  $output .= "\n<!-- end content -->\n";

  if ($blocks = theme("blocks", "right")) {
    $xtemplate->template->assign("blocks", $blocks);
    $xtemplate->template->parse("footer.blocks");
  }

  // only parse the footer block if site_footer is set
  if ($footer_message = variable_get("site_footer", FALSE)) {
    $xtemplate->template->assign("footer_message", $footer_message);
    $xtemplate->template->parse("footer.message");
  }

  $xtemplate->template->assign("footer", theme_closure());
  $xtemplate->template->parse("footer");

  $output .= $xtemplate->template->text("footer");

  return $output;
}

function xtemplate_block(&$block) {
  global $xtemplate;

  // create template variables for all block variables (module, delta, region, subject, content, ...)
  foreach ($block as $key => $value) {
    $xtemplate->template->assign($key == "subject" ? "title" : $key, $value); // TODO: standardize on 'title' (ie. rename all $block["subject"] to "title")
  }
  $xtemplate->template->parse("block");
  $output = $xtemplate->template->text("block");
  $xtemplate->template->reset("block");
  return $output;
}

function xtemplate_box($title, $content, $region = "main") {
  global $xtemplate;

  $xtemplate->template->assign(array(
        "title" => $title,
        "content" => $content));

  $xtemplate->template->parse("box");
  $output = $xtemplate->template->text("box");
  $xtemplate->template->reset("box");
  return $output;
}