Index: trunk/plugins/admin_multi_view/controller.php
===================================================================
--- trunk/plugins/admin_multi_view/controller.php	(revision 1821)
+++ trunk/plugins/admin_multi_view/controller.php	(revision 1821)
@@ -0,0 +1,113 @@
+<?php
+define('MULTIVIEW_CONTROLLER', 1);
+define('PHPWG_ROOT_PATH','../../');
+include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );
+
+if (!is_admin() or !function_exists('multiview_user_init') )
+{
+  pwg_unset_session_var( 'multiview_as' );
+  pwg_unset_session_var( 'multiview_theme' );
+  pwg_unset_session_var( 'multiview_lang' );
+?>
+<script type="text/javascript">
+  window.close();
+</script>
+<?php
+  exit();
+}
+
+$refresh_main = false;
+
+if ( isset($_GET['view_guest']) )
+{
+  pwg_set_session_var( 'multiview_as', $conf['guest_id'] );
+  $refresh_main = true;
+}
+elseif ( isset($_GET['view_admin']) )
+{
+  pwg_unset_session_var('multiview_as');
+  $refresh_main = true;
+}
+$view_as = pwg_get_session_var( 'multiview_as', 0 );
+
+
+if ( isset($_GET['theme']) )
+{
+  pwg_set_session_var( 'multiview_theme', $_GET['theme'] );
+  $refresh_main = true;
+}
+
+if ( isset($_GET['lang']) )
+{
+  pwg_set_session_var( 'multiview_lang', $_GET['lang'] );
+  $refresh_main = true;
+}
+
+$my_url = get_root_url().'plugins/'.basename(dirname(__FILE__)).'/'.basename(__FILE__);
+
+$themes_html='Theme: <select onchange="document.location = this.options[this.selectedIndex].value;">';
+foreach (get_pwg_themes() as $pwg_template)
+{
+  $selected = $pwg_template == pwg_get_session_var( 'multiview_theme', $user['template'].'/'.$user['theme'] ) ? 'selected="selected"' : '';
+  $themes_html .=
+    '<option value="'
+    .$my_url.'?theme='.$pwg_template
+    .'" '.$selected.'>'
+    .$pwg_template
+    .'</option>';
+}
+$themes_html .= '</select>';
+
+$lang_html='Language: <select onchange="document.location = this.options[this.selectedIndex].value;">';
+foreach (get_languages() as $language_code => $language_name)
+{
+  $selected = $language_code == pwg_get_session_var( 'multiview_lang', $user['language'] ) ? 'selected="selected"' : '';
+  $lang_html .=
+    '<option value="'
+    .$my_url.'?lang='.$language_code
+    .'" '.$selected.'>'
+    .$language_name
+    .'</option>';
+}
+$lang_html .= '</select>';
+?>
+
+<html>
+<head>
+<title>Controller</title>
+</head>
+
+<body>
+
+<script type="text/javascript">
+if (window.opener==null) {
+  window.close();
+  document.write("<h2>How did you get here ???</h2>");
+}
+</script>
+
+View as:
+<?php
+  if ($view_as)
+    echo '<a href="'.$my_url.'?view_admin">admin</a>';
+  else
+    echo '<a href="'.$my_url.'?view_guest">guest</a>';
+?>
+
+<br />
+<?php echo $themes_html; ?>
+
+<br />
+<?php echo $lang_html; ?>
+
+
+<script type="text/javascript">
+<?php
+  if ($refresh_main) echo '
+window.opener.location = window.opener.location;';
+?>
+</script>
+
+</body>
+
+</html>
Index: trunk/plugins/admin_multi_view/is_admin.inc.php
===================================================================
--- trunk/plugins/admin_multi_view/is_admin.inc.php	(revision 1821)
+++ trunk/plugins/admin_multi_view/is_admin.inc.php	(revision 1821)
@@ -0,0 +1,42 @@
+<?php
+if (! defined('MULTIVIEW_CONTROLLER') )
+{
+  global $user;
+  $view_as = pwg_get_session_var( 'multiview_as', 0 );
+  if ($view_as)
+  {
+    $user = build_user( $view_as, true);
+  }
+  $theme = pwg_get_session_var( 'multiview_theme', '' );
+  if ( !empty($theme) )
+  {
+    list($user['template'], $user['theme']) = explode('/', $theme);
+  }
+  $lang = pwg_get_session_var( 'multiview_lang', '' );
+  if ( !empty($theme) )
+  {
+    $user['language'] = $lang;
+  }
+}
+
+add_event_handler('loc_end_page_header', 'multiview_loc_end_page_header');
+
+function multiview_loc_end_page_header()
+{
+  global $template;
+  $my_root_url = get_root_url().'plugins/'. basename(dirname(__FILE__)).'/';
+  $js =
+'<script type="text/javascript">
+var theController = window.open("", "mview_controller", "alwaysRaised=yes,dependent=yes,toolbar=no,height=200,width=220,menubar=no,resizable=yes,scrollbars=yes,status=no");
+if ( theController.location.toString()=="about:blank" || !theController.location.toString().match(/^(https?.*\/)controller\.php(\?.+)?$/))
+{
+  theController.location = "'.$my_root_url.'controller.php";
+}
+</script>';
+
+  $template->assign_block_vars( 'head_element', array(
+    'CONTENT' => $js
+      )
+    );
+}
+?>
Index: trunk/plugins/admin_multi_view/main.inc.php
===================================================================
--- trunk/plugins/admin_multi_view/main.inc.php	(revision 1821)
+++ trunk/plugins/admin_multi_view/main.inc.php	(revision 1821)
@@ -0,0 +1,17 @@
+<?php /*
+Plugin Name: Multi view
+Version: 1.0
+Description: Allows administrators to view gallery as guests and/or change the language and/or theme on the fly. Practical to debug changes ...
+Plugin URI: http://www.phpwebgallery.net
+*/
+
+add_event_handler('user_init', 'multiview_user_init' );
+
+function multiview_user_init()
+{
+  if (!is_admin())
+    return;
+  include_once( dirname(__FILE__).'/is_admin.inc.php' );
+}
+
+?>
