function _panels_page_check_switchers in Panels 6.2

1 call to _panels_page_check_switchers()

_panels_page_prepare_panels_render in panels_page/panels_page.render.inc

File

panels_page/panels_page.render.inc, line 47

panels_page.render.inc Functions utilized during the panels_page render process. On any given page request, this file is lazy-loaded by panels_page itself only after it has been absolutely verified that a panels_page render should be done.

Code

function _panels_page_check_switchers(&$panel_page) {
  $switchers = panels_get_switchers();
  if ($switchers) {
    $candidates = $list = array();
    $result = db_query("SELECT name FROM {panels_page} WHERE switcher_name = '%s'", $panel_page->name);

    // get a list of all pages that might switch for this one
    while ($candidate = db_fetch_object($result)) {
      $list[] = $candidate->name;
    }

    // Add default panels that apply to the list as well
    foreach (panels_page_default_panels() as $page) {
      if ($page->switcher_name == $panel_page->name) {
        $candidates[$page->name] = $page;
      }
    }
    if ($list) {
      $candidates += count($list) > 1 ? panels_page_load_all($list) : array(
        panels_page_load($list[0]),
      );
    }
    if ($candidates) {

      // separate them based on switcher type
      $pages = array();
      foreach ($candidates as $candidate) {
        $pages[$candidate->switcher_type][$candidate->name] = $candidate;
      }

      // go through switcher types and switch the first one that matches.
      foreach ($pages as $plugin => $candidates) {
        if ($page = panels_switcher_switch($plugin, 'panel_page', $panel_page->name, $candidates)) {
          $panel_page = $page;
          break;
        }
      }
    }
  }
}