Add 'log in as X' to the profile viewing page, to assist admins.

(cherry picked from commit ea02642a)

htdocs/theme/default/templates/user/view.tpl

@@ -13,8 +13,11 @@
                 {$introduction}
                 <div class="fr user-icon">
                     <img src="{$WWWROOT}thumb.php?type=profileicon&amp;maxwidth=100&amp;maxheight=100&amp;id={$USERID}" alt="">
+                    <div>
+                    {if !empty($loginas)}
+                      <div class="center"><strong><a href="{$WWWROOT}admin/users/changeuser.php?id={$USERID}">{$loginas}</a></strong></div>
+                    {/if}
                     {if $canmessage}
-                        <br>
                         <a href="{$WWWROOT}user/sendmessage.php?id={$USERID}&amp;returnto=view" id="btn-sendmessage">{str tag='sendmessage' section='group'}</a>
                     {/if}
                     {if $relationship == 'existingfriend'}
@@ -32,6 +35,7 @@
                     {if $addform}
                         {$addform}
                     {/if}
+                    </div>
                 </div>
 				<ul id="user-info">
                 {foreach from=$USERFIELDS name=userfields key=key item=item}

htdocs/user/view.php

@@ -331,6 +331,13 @@ if ($loggedinid != $userid) {
 
 }
 
+if ($id != $USER->get('id') && is_null($USER->get('parentuser'))) {
+    $loginas = get_string('loginasuser', 'admin', $user->username);
+} else {
+    $loginas = null;
+}
+$smarty->assign('loginas', $loginas);
+
 if (isset($introduction)) {
     $smarty->assign('introduction', $introduction);
 }