<?php

/**
 * folders_delete.php
 *
 * Copyright (c) 1999-2002 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * Deltes folders from the IMAP server. 
 * Called from the folders.php
 *
 * $Id: folders_delete.php,v 1.50.2.2 2002/09/13 17:29:39 kink Exp $
 */


require_once('../src/validate.php');
require_once('../functions/imap.php');
require_once('../functions/array.php');
require_once('../functions/tree.php');
require_once('../functions/display_messages.php');

/*
*  Incoming values:
*     $mailbox - selected mailbox from the form
*/

/* globals */
$username = $_SESSION['username'];
$key = $_COOKIE['key'];
$delimiter = $_SESSION['delimiter'];
$onetimepad = $_SESSION['onetimepad'];

$mailbox = $_POST['mailbox'];

/* end globals */

if ($mailbox == '') {
    displayPageHeader($color, 'None');
    echo "<html><body bgcolor=$color[4]>";
    plain_error_message(_("You have not selected a folder to delete. Please do so.")."<BR><A HREF=\"../src/folders.php\">"._("Click here to go back")."</A>.", $color);
    exit;
}


$imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
$boxes = sqimap_mailbox_list ($imap_stream);
global $delete_folder;

if (substr($mailbox, -1) == $delimiter)
    $mailbox_no_dm = substr($mailbox, 0, strlen($mailbox) - 1);
else
    $mailbox_no_dm = $mailbox;

/** lets see if we CAN move folders to the trash.. otherwise,
    ** just delete them **/

/* Courier IMAP doesn't like subfolders of Trash */
if (strtolower($imap_server_type) == "courier") {
    $can_move_to_trash = false;
}

/* If global options say we can't move it into Trash */
else if(isset($delete_folder) && $delete_folder == true) {
    $can_move_to_trash = false;
}

/* If it's already a subfolder of trash, we'll have to delete it */
else if(eregi("^".$trash_folder.".+", $mailbox)) {

    $can_move_to_trash = false;

}

/* Otherwise, check if trash folder exits and support sub-folders */
else {
    for ($i = 0; $i < count($boxes); $i++) {
        if ($boxes[$i]["unformatted"] == $trash_folder) {
            $can_move_to_trash = !in_array('noinferiors', $boxes[$i]['flags']);
        }
    }
}

/** First create the top node in the tree **/
for ($i = 0;$i < count($boxes);$i++) {
    if (($boxes[$i]["unformatted-dm"] == $mailbox) && (strlen($boxes[$i]["unformatted-dm"]) == strlen($mailbox))) {
        $foldersTree[0]["value"] = $mailbox;
        $foldersTree[0]["doIHaveChildren"] = false;
        continue;
    }
}
/* Now create the nodes for subfolders of the parent folder
   You can tell that it is a subfolder by tacking the mailbox delimiter
   on the end of the $mailbox string, and compare to that.  */
$j = 0;
for ($i = 0;$i < count($boxes);$i++) {
    if (substr($boxes[$i]["unformatted"], 0, strlen($mailbox_no_dm . $delimiter)) == ($mailbox_no_dm . $delimiter)) {
        addChildNodeToTree($boxes[$i]["unformatted"], $boxes[$i]["unformatted-dm"], $foldersTree);
    }
}
/*   simpleWalkTreePre(0, $foldersTree); */

/** Lets start removing the folders and messages **/
if (($move_to_trash == true) && ($can_move_to_trash == true)) { /** if they wish to move messages to the trash **/
    walkTreeInPostOrderCreatingFoldersUnderTrash(0, $imap_stream, $foldersTree, $mailbox);
    walkTreeInPreOrderDeleteFolders(0, $imap_stream, $foldersTree);
} else { /** if they do NOT wish to move messages to the trash (or cannot)**/
    walkTreeInPreOrderDeleteFolders(0, $imap_stream, $foldersTree);
}

/** Log out this session **/
sqimap_logout($imap_stream);

$location = get_location();
header ("Location: $location/folders.php?success=delete");
/*
echo "<BR><BR><BR><CENTER><B>";
echo _("Folder Deleted!");
echo "</B><BR><BR>";
echo _("The folder has been successfully deleted.");
echo "<BR><A HREF=\"webmail.php?right_frame=folders.php\" TARGET=_top>";
echo _("Click here");
echo "</A> ";
echo _("to continue.");
echo "</CENTER>";

echo "</BODY></HTML>";
*/
?>
