template.php in Drupal for Facebook 5.2

File

themes/fb_fbml/template.php

<?php

function fb_fbml_page($content, $show_blocks = TRUE) {
  $output = phptemplate_page($content, $show_blocks);
  if (function_exists('fb_canvas_process')) {
    $output = fb_canvas_process($output);
  }
  return $output;
}
function _phptemplate_variables($hook, $vars = array()) {
  global $fb_app, $user;
  if ($hook == 'page') {
    if (function_exists('fb_canvas_is_iframe') && fb_canvas_is_iframe()) {

      // Iframe in a canvas
      $vars['template_file'] = 'iframe';
    }
    else {

      // FBML canvas page
      // Add our own stylesheet
      drupal_add_css(path_to_theme() . '/styles_fbml.css', 'theme', 'fbml');

      // http://wiki.developers.facebook.com/index.php/Include_files
      // Facebook now allows external references to stylesheets, but not
      // using the normal syntax, we don't use the normal
      // drupal_get_css() here.
      $css = drupal_add_css();

      // Only include stylesheets for FBML
      foreach ($css['fbml'] as $type => $files) {
        foreach ($files as $file => $preprocess) {
          $url = base_path() . $file;
          if (file_exists($file)) {

            // Refresh Facebook's cache anytime file changes.
            $url .= '?v=' . filemtime($file);
          }

          // preprocess ignored
          if ($type == 'module') {
            $module_css .= '<link rel="stylesheet" type="text/css" media="screen" href="' . $url . "\" />\n";
          }
          else {
            if ($type == 'theme') {
              $theme_css .= '<link rel="stylesheet" type="text/css" media="screen" href="' . $url . "\" />\n";
            }
          }
        }
      }
      $vars['styles'] = $module_css . $theme_css;

      // Include only Facebook aware javascript.
      $vars['fbjs'] = drupal_get_js('fbml');

      // Enforce that only admins see admin block.  This can be done (more
      // cleanly?) elsewhere.  But we're doing it here to make sure.
      if (!user_access('access administration pages')) {
        $vars['admin'] = '';
      }
      else {
        if ($vars['admin']) {
          $vars['admin'] = "<div class=\"region admin_sidebar\">\n" . $vars['admin'] . "\n</div><!-- end admin sidebar-->";
        }
      }

      // Change 'Home' in breadcrumbs
      $crumbs = drupal_get_breadcrumb();
      if (count($crumbs) && strpos($crumbs[0], t('Home'))) {
        $crumbs[0] = l(t($fb_app->title), '');
        $vars['breadcrumb'] = theme('breadcrumb', $crumbs);
      }

      // Style page differently depending on which sidebars are present.
      // Approach copied from Zen theme.
      // allows advanced theming based on context (home page, node of certain type, etc.)
      $body_classes = array();
      $body_classes[] = $vars['is_front'] ? 'front' : 'not-front';
      $body_classes[] = $user->uid > 0 ? 'logged-in' : 'not-logged-in';
      if ($vars['sidebar_left'] && $vars['sidebar_right']) {
        $body_classes[] = 'with-both-sidebars';
      }
      else {
        if ($vars['sidebar_right']) {
          $body_classes[] = 'with-sidebar-right';
        }
        else {
          if ($vars['sidebar_left']) {
            $body_classes[] = 'with-sidebar-left';
          }
        }
      }

      // new facebook pages are wider
      if ($_REQUEST['fb_sig_in_new_facebook']) {
        $body_classes[] = 'in-new-facebook';
      }
      $vars['body_classes'] = implode(' ', $body_classes);
    }
  }
  else {
    if ($hook == 'node') {
      if ($vars['teaser']) {
        $vars['template_file'] = 'node-teaser';
      }

      // TODO: could move this to phptemplate engine.
      if (count($vars['about'])) {
        $vars['about'] = drupal_render($vars['about']);
      }
      if (count($vars['children'])) {
        $vars['children'] = drupal_render($vars['children']);
      }
      if ($vars['extra_style']) {
        $vars['extra_style'] = drupal_render($vars['extra_style']);
      }
      if ($vars['teaser']) {
        $size = 'thumb';
      }
      else {
        $size = 'thumb';
      }

      // small is too big for now, change this when node header has been made larger to fit image.
      if ($fbu = fb_get_fbu($vars['uid'])) {
        $vars['picture'] = '<div class="picture"><fb:profile-pic uid="' . $fbu . '" linked="yes" size="' . $size . '" /></div>';
      }

      //drupal_set_message("node vars: " . dprint_r($vars, 1));
    }
  }
  return $vars;
}
function fb_fbml_regions() {
  $regions = array(
    'admin' => t('Admin sidebar'),
    'header' => t('Canvas Header'),
    'right' => t('Canvas Right'),
    'content_footer' => t('Content Footer'),
    'canvas_footer' => t('Canvas Footer'),
    'iframe_header' => t('Iframe Header'),
    'iframe_footer' => t('Iframe Footer'),
  );
  return $regions;
}

//// tabs
function phptemplate_menu_local_tasks() {
  global $fb;
  if ($fb && $fb
    ->in_fb_canvas()) {
    $local_tasks = menu_get_local_tasks();
    $pid = menu_get_active_nontask_item();
    $output = '';
    if (count($local_tasks[$pid]['children'])) {
      $output .= "<fb:tabs>\n";
      foreach ($local_tasks[$pid]['children'] as $mid) {
        $item = menu_get_item($mid);
        $selected = menu_in_active_trail($mid) ? "true" : "false";
        $output .= "<fb:tab-item href=\"" . url($item['path'], NULL, NULL, FALSE) . "\" title=\"" . $item['title'] . "\" selected=\"{$selected}\">" . $item['title'] . "</fb:tab-item>\n";
      }
      $output .= "</fb:tabs>\n";
    }

    // TODO secondary local tasks
    if ($secondary = menu_secondary_local_tasks()) {
      $output .= "<ul class=\"tabs secondary\">\n" . $secondary . "</ul>\n";
    }
  }
  else {
    $output = theme_menu_local_tasks();
  }
  return $output;
}

// collapsing fieldsets
function phptemplate_fieldset($element) {
  global $fb;
  if ($fb && $fb
    ->in_fb_canvas() || function_exists('fb_canvas_is_fbml') && fb_canvas_is_fbml()) {
    static $count = 0;
    if ($element['#collapsible']) {
      $id = 'fbml_fieldset_' . $count++;
      $linkattrs = array(
        'clicktotoggle' => $id,
        'href' => '#',
      );
      $contentattrs = array(
        'id' => $id,
      );
      if (!isset($element['#attributes']['class'])) {
        $element['#attributes']['class'] = '';
      }
      $element['#attributes']['class'] .= ' collapsible';
      if ($element['#collapsed']) {
        $element['#attributes']['class'] .= ' collapsed';
        $contentattrs['style'] = 'display:none';
      }
      $element['#title'] = '<a ' . drupal_attributes($linkattrs) . '>' . $element['#title'] . '</a>';
    }
    $output = '<fieldset ' . drupal_attributes($element['#attributes']) . '>';
    if ($element['#title']) {
      $output .= '<legend>' . $element['#title'] . '</legend>';
    }
    $output .= '<div class="fieldset-content" ' . drupal_attributes($contentattrs) . '>';
    if ($element['#description']) {
      $output .= '<div class="description">' . $element['#description'] . '</div>';
    }
    $output .= $element['#children'] . $element['#value'];
    $output .= "</div></fieldset>\n";
  }
  else {
    $output = theme_fieldset($element);
  }
  return $output;
}

Functions

Name	Description
fb_fbml_page
fb_fbml_regions
phptemplate_fieldset
phptemplate_menu_local_tasks
_phptemplate_variables