X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fleft_main.php;h=9354d26583f2f89d99839f55a44060e0d7eef761;hb=0bcd11eb0e4f9df4de129efe9046955c479d832b;hp=ba36ec713a1660bd4c6f96412869cf0f3bdc4d00;hpb=355861846a51d35efe50848869d680fd3b4a5316;p=squirrelmail.git

diff --git a/src/left_main.php b/src/left_main.php
index ba36ec71..74e1b68f 100644
--- a/src/left_main.php
+++ b/src/left_main.php
@@ -3,360 +3,775 @@
 /**
  * left_main.php
  *
- * Copyright (c) 1999-2001 The Squirrelmail Development Team
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
  * This is the code for the left bar. The left bar shows the folders
  * available, and has cookie information.
  *
- * $Id$
- /
-
-/*****************************************************************/
-/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!!           ***/
-/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION.             ***/
-/***    + Base level indent should begin at left margin, as    ***/
-/***      the require_once below looks.                        ***/
-/***    + All identation should consist of four space blocks   ***/
-/***    + Tab characters are evil.                             ***/
-/***    + all comments should use "slash-star ... star-slash"  ***/
-/***      style -- no pound characters, no slash-slash style   ***/
-/***    + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD      ***/
-/***      ALWAYS USE { AND } CHARACTERS!!!                     ***/
-/***    + Please use ' instead of ", when possible. Note "     ***/
-/***      should always be used in _( ) function calls.        ***/
-/*** Thank you for your help making the SM code more readable. ***/
-/*****************************************************************/
-
-require_once('../src/validate.php');
-require_once('../functions/array.php');
-require_once('../functions/imap.php');
-require_once('../functions/plugin.php');
-require_once('../functions/page_header.php');
-
-    /* These constants are used for folder stuff. */
-    define('SM_BOX_UNCOLLAPSED', 0);
-    define('SM_BOX_COLLAPSED',   1);
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/**
+ * Path for SquirrelMail required files.
+ * @ignore
+ */
+define('SM_PATH','../');
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'include/validate.php');
+require_once(SM_PATH . 'functions/imap.php');
+require_once(SM_PATH . 'functions/plugin.php');
+require_once(SM_PATH . 'functions/page_header.php');
+require_once(SM_PATH . 'functions/html.php');
+require_once(SM_PATH . 'functions/date.php');
+
+/* These constants are used for folder stuff. */
+define('SM_BOX_UNCOLLAPSED', 0);
+define('SM_BOX_COLLAPSED',   1);
 
 /* --------------------- FUNCTIONS ------------------------- */
 
-    function formatMailboxName($imapConnection, $box_array) {
-        global $folder_prefix, $trash_folder, $sent_folder;
-        global $color, $move_to_sent, $move_to_trash;
-        global $unseen_notify, $unseen_type, $collapse_folders;
-        global $draft_folder, $save_as_draft;
-        global $use_special_folder_color;
 
-        $real_box = $box_array['unformatted'];
-        $mailbox = str_replace(' ','',$box_array['formatted']);
-        $mailboxURL = urlencode($real_box);
+/**
+ * Recursive function to output a tree of folders.
+ * It is called on a list of boxes and iterates over that tree.
+ *
+ * @since 1.3.0
+ */
+function ListBoxes ($boxes, $j=0 ) {
+    global $data_dir, $username, $color, $unseen_notify, $unseen_type,
+           $move_to_trash, $trash_folder, $collapse_folders, $imapConnection,
+           $use_icons, $icon_theme, $use_special_folder_color;
+
+    // stop condition
+    if (empty($boxes)) {
+        return;
+    }
 
-        /* Strip down the mailbox name. */
-        if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
-            $mailbox = $regs[2];
-        }
+    $pre = '<span style="white-space: nowrap;">';
+    $end = '';
+    $collapse = false;
+    $unseen_found = false;
+    $unseen = 0;
 
-        $unseen = 0;
+    $mailbox = $boxes->mailboxname_full;
+    $leader = str_repeat('&nbsp;&nbsp;',$j);
+    $mailboxURL = urlencode($mailbox);
 
-        if (($unseen_notify == 2 && $real_box == 'INBOX') ||
-            $unseen_notify == 3) {
-            $unseen = sqimap_unseen_messages($imapConnection, $real_box);
-            if ($unseen_type == 1 && $unseen > 0) {
-                $unseen_string = "($unseen)";
-                $unseen_found = true;
-            } else if ($unseen_type == 2) {
-                $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
-                $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
-                $unseen_found = true;
-            }
-        }
+    /* get unseen/total messages information */
+    /* Only need to display info when option is set */
+    if (isset($unseen_notify) && ($unseen_notify > 1) &&
+        (($boxes->unseen !== false) || ($boxes->total !== false))) {
 
-        $special_color = false;
-        if ($use_special_folder_color) {
-            if ((strtolower($real_box) == 'inbox')
-                    || (($real_box == $trash_folder) && ($move_to_trash))
-                    || (($real_box == $sent_folder) && ($move_to_sent))
-                    || (($real_box == $draft_folder) && ($save_as_draft))) {
-                $special_color = true;
-            }
-        }
+        if ($boxes->unseen !== false)
+            $unseen = $boxes->unseen;
 
-        /* Start off with a blank line. */
-        $line = '';
+        /*
+            Should only display unseen info if the folder is inbox
+            or you set the option for all folders
+        */
 
-        /* If there are unseen message, bold the line. */
-        if ($unseen > 0) { $line .= '<B>'; }
+        if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
+            $unseen_string = $unseen;
 
-        /* Crate the link for this folder. */
-        $line .= "<A HREF=\"right_main.php?sort=0&startMessage=1&mailbox=$mailboxURL\" TARGET=\"right\" STYLE=\"text-decoration:none\">";
-        if ($special_color == true)
-            $line .= "<FONT COLOR=\"$color[11]\">";
-        $line .= str_replace(' ','&nbsp;',$mailbox);
-        if ($special_color == true)
-            $line .= "</FONT>";
-        $line .= '</A>';
+            /* If users requests, display message count too */
+            if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
+                $unseen_string .= '/' . $boxes->total;
+            }
 
-        /* If there are unseen message, close bolding. */
-        if ($unseen > 0) { $line .= "</B>"; }
+            $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 
-        /* Print unseen information. */
-        if (isset($unseen_found) && $unseen_found) {
-            $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
+            /*
+                Finally allow the script to display the values by setting a boolean.
+                This can only occur if the unseen count is great than 0 (if you have
+                unseen count only), or you have the message count too.
+            */
+            if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
+                $unseen_found = true;
+            }
         }
+    }
 
-        if (($move_to_trash == true) && ($real_box == $trash_folder)) {
-            if (! isset($numMessages)) {
-                $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
-            }
+    if (isset($boxes->mbxs[0]) && $collapse_folders) {
+        $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
+        $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 
-            if ($numMessages > 0) {
-                $urlMailbox = urlencode($real_box);
-                $line .= "\n<small>\n" .
-                        "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("empty")."</A>)" .
-                        "\n</small>\n";
+        $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
+        if ($collapse) {
+            if ($use_icons && $icon_theme != 'none') {
+                $link .= "unfold=$mailboxURL\">$leader<img src=\"" . SM_PATH . 'images/plus.png" border="0" height="7" width="7" />&nbsp;';
+            } else {
+                $link .= "unfold=$mailboxURL\">$leader+&nbsp;";
+            }
+        } else {
+            if ($use_icons && $icon_theme != 'none') {
+                $link .= "fold=$mailboxURL\">$leader<img src=\"" . SM_PATH . 'images/minus.png" border="0" height="7" width="7" />&nbsp;';
+            } else {
+                $link .= "fold=$mailboxURL\">$leader-&nbsp;";
             }
         }
-
-        /* Return the final product. */
-        return ($line);
+        $link .= '</a>';
+        $pre .= $link;
+    } else {
+        $pre.= $leader . '&nbsp;&nbsp;';
     }
 
-    /**
-     * Recursive function that computes the collapsed status and parent
-     * (or not parent) status of this box, and the visiblity and collapsed
-     * status and parent (or not parent) status for all children boxes.
-     */
-    function compute_folder_children(&$parbox, $boxcount) {
-        global $boxes, $data_dir, $username, $collapse_folders;
-        $nextbox = $parbox + 1;
-
-        /* Retreive the name for the parent box. */
-        $parbox_name = $boxes[$parbox]['unformatted'];
-
-        /* 'Initialize' this parent box to childless. */
-        $boxes[$parbox]['parent'] = false;
-
-        /* Compute the collapse status for this box. */
-        if( isset($collapse_folders) && $collapse_folders ) {
-            $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
-            $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
-        } else {
-            $collapse = SM_BOX_UNCOLLAPSED;
+    /* If there are unseen message, bold the line. */
+    if (($move_to_trash) && ($mailbox == $trash_folder)) {
+        if (! isset($boxes->total)) {
+            $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
         }
-        $boxes[$parbox]['collapse'] = $collapse;
-
-        /* Otherwise, get the name of the next box. */
-        if (isset($boxes[$nextbox]['unformatted']))
-            $nextbox_name = $boxes[$nextbox]['unformatted'];
-        else
-            $nextbox_name = '';
-
-        /* Compute any children boxes for this box. */
-        while (($nextbox < $boxcount) &&
-               (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
-
-            /* Note that this 'parent' box has at least one child. */
-            $boxes[$parbox]['parent'] = true;
-
-            /* Compute the visiblity of this box. */
-            if ($boxes[$parbox]['visible'] &&
-                ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED)) {
-                $boxes[$nextbox]['visible'] = true;
-            } else {
-                $boxes[$nextbox]['visible'] = false;
+        $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+        if ($unseen > 0) {
+            $pre .= '<b>';
+            $end .= '</b>';
+        }
+        $end .= '</a>';
+        if ($boxes->total > 0) {
+            /* Print unseen information. */
+            if ($unseen_found) {
+                $end .= "&nbsp;<small>$unseen_string</small>";
             }
-
-            /* Compute the visibility of any child boxes. */
-            compute_folder_children($nextbox, $boxcount);
+            $end .= "\n\t<small>" .
+                 '&nbsp;&nbsp;[<a href="empty_trash.php">'._("Purge").'</a>]'.
+                 '</small>';
+        }
+    } else {
+        if (!$boxes->is_noselect) {
+            $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
+            if ($unseen > 0) {
+                $pre .= '<b>';
+                $end .= '</b>';
+            }
+            $end .= '</a>';
+        }
+        /* Print unseen information. */
+        if ($unseen_found) {
+            $end .= "&nbsp;<small>$unseen_string</small>";
         }
 
-        /* Set the parent box to the current next box. */
-        $parbox = $nextbox;
     }
 
-    /**
-     * Create the link for a parent folder that will allow that
-     * parent folder to either be collapsed or expaned, as is
-     * currently appropriate.
-     */
-    function create_collapse_link($boxnum) {
-        global $boxes;
-        $mailbox = urlencode($boxes[$boxnum]['unformatted']);
-
-        /* Create the link for this collapse link. */
-        $link = '<a target="left" style="text-decoration:none" ';
-        $link .= 'href="left_main.php?';
-        if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
-            $link .= "unfold=$mailbox\">+";
-        } else {
-            $link .= "fold=$mailbox\">-";
+    $font = '';
+    $fontend = '';
+    if ($use_special_folder_color && $boxes->is_special) {
+        $font = "<font color=\"$color[11]\">";
+        $fontend = "</font>";
+    } elseif ( $boxes->is_noselect ) {
+        $font = "<font color=\"$color[15]\">";
+        $fontend = '</font>';
+    }
+        
+    // let plugins fiddle with end of line
+    $end .= concat_hook_function('left_main_after_each_folder',
+        array(isset($numMessages) ? $numMessages : '',
+              $boxes->mailboxname_full, $imapConnection));
+
+    $end .= '</span>';
+
+    if (!$boxes->is_root) {
+        echo "" . $pre .$font.
+            str_replace( 
+                array(' ','<','>'),
+                array('&nbsp;','&lt;','&gt;'),
+                $boxes->mailboxname_sub) .
+            $fontend . $end. '<br />' . "\n";
+        $j++;
+    }
+
+    if (!$collapse || $boxes->is_root) {
+        for ($i = 0; $i <count($boxes->mbxs); $i++) {
+            ListBoxes($boxes->mbxs[$i],$j);
         }
-        $link .= '</a>';
+    }
+}
 
-        /* Return the finished product. */
-        return ($link);
+function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
+    global $data_dir, $username, $color, $unseen_notify, $unseen_type,
+        $move_to_trash, $trash_folder, $collapse_folders, $use_special_folder_color;
+
+    if (empty($boxes)) {
+        return;
     }
 
-    /**
-     * This simple function checks if a box is another box's parent.
-     */
-    function is_parent_box($curbox_name, $parbox_name) {
-        global $delimiter;
+    /* use_folder_images only works if the images exist in ../images */
+    $use_folder_images = true;
 
-        /* Extract the name of the parent of the current box. */
-        $curparts = explode($delimiter, $curbox_name);
-        $curname = array_pop($curparts);
-        $actual_parname = implode($delimiter, $curparts);
-        $actual_parname = substr($actual_parname,0,strlen($parbox_name));
+    $pre = '';
+    $end = '';
+    $collapse = false;
+    $unseen_found = false;
+    $unseen = 0;
 
-        /* Compare the actual with the given parent name. */
-        return ($parbox_name == $actual_parname);
-    }
+    $mailbox = $boxes->mailboxname_full;
+    $mailboxURL = urlencode($mailbox);
 
+    /* get unseen/total messages information */
+    /* Only need to display info when option is set */
+    if (isset($unseen_notify) && ($unseen_notify > 1) &&
+        (($boxes->unseen !== false) || ($boxes->total !== false))) {
 
-    /* -------------------- MAIN ------------------------ */
+        if ($boxes->unseen !== false)
+            $unseen = $boxes->unseen;
 
-    global $delimiter, $default_folder_prefix;
+        /*
+            Should only display unseen info if the folder is inbox
+            or you set the option for all folders
+        */
 
-    // open a connection on the imap port (143)
-    $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
+        if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
+            $unseen_string = $unseen;
 
+            /* If users requests, display message count too */
+            if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
+                $unseen_string .= '/' . $boxes->total;
+            }
 
-    if (isset($left_refresh) && ($left_refresh != 'none') && ($left_refresh != '')) {
-        $xtra =  "\n<META HTTP-EQUIV=\"Expires\" CONTENT=\"Thu, 01 Dec 1994 16:00:00 GMT\">\n" .
-                 "<META HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">\n".
-                 "<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"$left_refresh;URL=left_main.php\">\n";
-    } else {
-        $xtra = '';
-    }
+            $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 
-    displayHtmlHeader( 'SquirrelMail', $xtra );
-
-    /* If requested and not yet complete, attempt to autocreate folders. */
-    if ($auto_create_special && !isset($auto_create_done)) {
-        $autocreate = array( $sent_folder,
-                             $trash_folder,
-                             $draft_folder );
-        foreach( $autocreate as $folder ) {
-            if ($folder != '' && $folder != 'none') {
-                if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
-                    sqimap_mailbox_create($imapConnection, $default_folder_prefix.$folder, '');
-                } elseif ( !sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
-                    sqimap_subscribe($imapConnection, $folder);
-                }
+            /*
+                Finally allow the script to display the values by setting a boolean.
+                This can only occur if the unseen count is great than 0 (if you have
+                unseen count only), or you have the message count too.
+            */
+            if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
+                $unseen_found = true;
             }
         }
-
-        /* Let the world know that autocreation is complete! Hurrah! */
-        $auto_create_done = true;
-        session_register('auto_create_done');
     }
 
-    echo "\n<BODY BGCOLOR=\"$color[3]\" TEXT=\"$color[6]\" LINK=\"$color[6]\" VLINK=\"$color[6]\" ALINK=\"$color[6]\">\n";
+    /* If there are unseen message, bold the line. */
+    if ($unseen > 0) { $pre .= '<b>'; }
 
-    do_hook('left_main_before');
+    /* color special boxes */
+    if ($use_special_folder_color && $boxes->is_special) {
+        $pre .= "<font color=\"$color[11]\">";
+        $end .= '</font>';
+    }
 
-    $boxes = sqimap_mailbox_list($imapConnection);
+    /* If there are unseen message, close bolding. */
+    if ($unseen > 0) { $end .= '</b>'; }
 
-    echo '<CENTER><FONT SIZE=4><B>'. _("Folders") . "</B><BR></FONT>\n\n";
+    /* Print unseen information. */
+    if ($unseen_found) {
+        $end .= "&nbsp;$unseen_string";
+    }
 
-    if ($date_format != 6) {
-        /* First, display the clock. */
-        if ($hour_format == 1) {
-            $hr = 'G:i';
-            if ($date_format == 4) {
-                $hr .= ':s';
+    if (($move_to_trash) && ($mailbox == $trash_folder)) {
+        $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
+        $end .= '</a>';
+        $end .= "\n<small>\n" .
+                '&nbsp;&nbsp;[<a class="mbx_link" href="empty_trash.php">'._("Purge").'</a>]'.
+                '</small>';
+    } else {
+        if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
+            $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
+            $end .= '</a>';
+        }
+    }
+
+    // let plugins fiddle with end of line
+    global $imapConnection;
+    $end .= concat_hook_function('left_main_after_each_folder',
+        array(isset($numMessages) ? $numMessages : '',
+              $boxes->mailboxname_full, $imapConnection));
+
+    if (!$boxes->is_root) {
+        if ($use_folder_images) {
+            if ($boxes->is_inbox) {
+                $folder_img = '../images/inbox.png';
+            } else if ($boxes->is_sent) {
+                $folder_img = '../images/senti.png';
+            } else if ($boxes->is_trash) {
+                $folder_img = '../images/delitem.png';
+            } else if ($boxes->is_draft) {
+                $folder_img = '../images/draft.png';
+            } else if ($boxes->is_noinferiors) {
+                $folder_img = '../images/folder_noinf.png';
+            } else {
+                $folder_img = '../images/folder.png';
             }
+            $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" />&nbsp;';
+        } else {
+            $folder_img = '';
+        }
+        if (!isset($boxes->mbxs[0])) {
+            echo '   ' . html_tag( 'div',
+                            $pre . $folder_img .
+                                str_replace( array(' ','<','>'),
+                                             array('&nbsp;','&lt;','&gt;'),
+                                             $boxes->mailboxname_sub) .
+                                $end,
+                            'left', '', 'class="mbx_sub" id="' .$j. '"' ) . "\n";
         } else {
-            if ($date_format == 4) {
-                $hr = 'g:i:s a';
+            /* get collapse information */
+            if ($collapse_folders) {
+                $form_entry = $j.'F';
+                if (isset($mbx) && isset($mbx[$form_entry])) {
+                    $collapse = $mbx[$form_entry];
+                    setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full ,
+                        $collapse ? SM_BOX_COLLAPSED : SM_BOX_UNCOLLAPSED);
+                } else {
+                    $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
+                    $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
+                }
+                $img_src = ($collapse ? '../images/plus.png' : '../images/minus.png');
+                $collapse_link = '<a href="javascript:void(0)">' .
+                    " <img src=\"$img_src\" border=\"1\" id=$j onclick=\"hidechilds(this)\" style=\"cursor:hand\" /></a>";
             } else {
-                $hr = 'g:i a';
+                 $collapse_link='';
             }
+            echo '   ' . html_tag( 'div',
+                            $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
+                            'left', '', 'class="mbx_par" id="' .$j. 'P"' ) . "\n";
+            echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
         }
+    }
 
-        switch( $date_format ) {
-        case 1:
-            $clk = date('m/d/y '.$hr, time());
-            break;
-        case 2:
-            $clk = date('d/m/y '.$hr, time());
-            break;
-        case 4:
-        case 5:
-            $clk = date($hr, time());
-            break;
-        default:
-            $clk = date('D, '.$hr, time());
-        }
-        $clk = str_replace(' ','&nbsp;',$clk);
+    $visible = ($collapse ? ' style="display:none"' : ' style="display:block"');
+    if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
+        echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 
-        echo '<CENTER><SMALL>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
-             ": $clk</SMALL></CENTER>";
+    if ($j !='ID.0000') {
+       $j = $j .'.0000';
     }
-
-    /* Next, display the refresh button. */
-    echo '<SMALL>(<A HREF="../src/left_main.php" TARGET="left">'.
-         _("refresh folder list") . '</A>)</SMALL></CENTER><BR>';
-
-    /* Lastly, display the folder list. */
-    if ( $collapse_folders ) {
-        /* If directed, collapse or uncollapse a folder. */
-        if (isset($fold)) {
-            setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
-        } else if (isset($unfold)) {
-            setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
-        }
+    for ($i = 0; $i <count($boxes->mbxs); $i++) {
+        $j++;
+        ListAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
     }
+    if (isset($boxes->mbxs[0]) && !$boxes->is_root) {
+        echo '</div>'."\n\n";
+    }
+}
+
 
-    /* Prepare do do out collapsedness and visibility computation. */
-    $curbox = 0;
-    $boxcount = count($boxes);
 
-    /* Compute the collapsedness and visibility of each box. */
-    while ($curbox < $boxcount) {
-        $boxes[$curbox]['visible'] = TRUE;
-        compute_folder_children($curbox, $boxcount);
-    }
 
-    for ($i = 0;$i < count($boxes); $i++) {
-        if ( $boxes[$i]['visible'] ) {
-            $mailbox = $boxes[$i]['formatted'];
-            $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
+/* -------------------- MAIN ------------------------ */
+
+/* get globals */
+sqgetGlobalVar('username', $username, SQ_SESSION);
+sqgetGlobalVar('key', $key, SQ_COOKIE);
+sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
+sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
+
+sqgetGlobalVar('fold', $fold, SQ_GET);
+sqgetGlobalVar('unfold', $unfold, SQ_GET);
+
+/* end globals */
+
+// open a connection on the imap port (143)
+// why hide the output?
+$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, true);
+
+/**
+ * Using stristr since very old preferences may contain "None" and "none".
+ */
+if (!empty($left_refresh) &&
+    !stristr($left_refresh, 'none')){
+    $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
+             "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
+             "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
+} else {
+    $xtra = '';
+}
 
-            /* Create the prefix for the folder name and link. */
-            $prefix = str_repeat('  ',$mblevel);
-            if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
-                $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
-                          create_collapse_link($i) . '&nbsp;';
+/**
+ * $advanced_tree and is a boolean var which is default set to default
+ * SM behaviour.
+ * Setting $advanced tree to true causes SM to display a experimental
+ * mailbox-tree with dhtml behaviour.
+ * It only works on browsers which supports css and javascript. The used
+ * javascript is experimental and doesn't support all browsers.
+ * It has been tested on IE6 an Konquerer 3.0.0-2.
+ * It is now tested and working on: (please test and update this list)
+ * Windows: IE 5.5 SP2, IE 6 SP1, Gecko based (Mozilla, Firebird) and Opera7
+ * XWindow: ?
+ * Mac: ?
+ * In the function ListAdvancedBoxes there is another var $use_folder_images.
+ * setting this to true is only usefull if the images exists in ../images.
+ *
+ * Feel free to experiment with the code and report bugs and enhancements
+ **/
+
+/* set this to true if you want to see a nicer mailboxtree */
+if (empty($advanced_tree)) {
+    $advanced_tree=false;
+}
+
+if ($advanced_tree) {
+$xtra .= <<<HEREDOC
+<script language="Javascript" type="text/javascript">
+<!--
+    function preload() {
+      if (document.images) {
+        var treeImages = new Array;
+        var arguments = preload.arguments;
+        for (var i = 0; i<arguments.length; i++) {
+          treeImages[i] = new Image();
+          treeImages[i].src = arguments[i];
+        }
+      }
+    }
+    var vTreeImg;
+    var vTreeDiv;
+    var vTreeSrc;
+    function fTreeTimeout() {
+      if (vTreeDiv.readyState == "complete")
+        vTreeImg.src = vTreeSrc;
+      else
+        setTimeout("fTreeTimeout()", 100);
+    }
+    function hidechilds(img) {
+      id = img.id + ".0000";
+      form_id = "mbx[" + img.id +"F]";
+      if (document.all) { //IE, Opera7
+        div = document.all[id];
+        if (div) {
+           if (div.style.display == "none") {
+              vTreeSrc = "../images/minus.png";
+              style = "block";
+              value = 0;
+           }
+           else {
+              vTreeSrc = "../images/plus.png";
+              style = "none";
+              value = 1;
+           }
+           vTreeImg = img;
+           vTreeDiv = div;
+           if (typeof vTreeDiv.readyState != "undefined") //IE
+              setTimeout("fTreeTimeout()",100);
+           else //Non IE
+              vTreeImg.src = vTreeSrc;
+           div.style.display = style;
+           document.all[form_id].value = value;
+        }
+      }
+      else if (document.getElementById) { //Gecko
+        div = document.getElementById(id);
+        if (div) {
+           if (div.style.display == "none") {
+              src = "../images/minus.png";
+              style = "block";
+              value = 0;
+           }
+           else {
+              src = "../images/plus.png";
+              style = "none";
+              value = 1;
+           }
+           div.style.display = style;
+           img.src = src;
+           document.getElementById(form_id).value = value;
+        }
+      }
+    }
+   function buttonover(el,on) {
+      if (!on) {
+         el.style.background="$color[0]";}
+      else {
+         el.style.background="$color[9]";}
+   }
+   function buttonclick(el,on) {
+      if (!on) {
+         el.style.border="groove";}
+      else {
+         el.style.border="ridge";}
+   }
+   function hideframe(hide) {
+      left_size = "$left_size";
+      if (document.all) {
+        masterf = window.parent.document.all["fs1"];
+        leftf = window.parent.document.all["left"];
+        leftcontent = document.all["leftframe"];
+        leftbutton = document.all["showf"];
+      } else if (document.getElementById) {
+        masterf = window.parent.document.getElementById("fs1");
+        leftf = window.parent.document.getElementById("left");
+        leftcontent = document.getElementById("leftframe");
+        leftbutton = document.getElementById("showf");
+      } else {
+        return false;
+      }
+      if(hide) {
+         new_col = calc_col("20");
+         masterf.cols = new_col;
+         document.body.scrollLeft=0;
+         document.body.style.overflow="hidden";
+         leftcontent.style.display = "none";
+         leftbutton.style.display="block";
+      } else {
+         masterf.cols = calc_col(left_size);
+         document.body.style.overflow="";
+         leftbutton.style.display="none";
+         leftcontent.style.display="block";
+      }
+   }
+   function calc_col(c_w) {
+HEREDOC;
+   if ($location_of_bar == 'right') {
+       $xtra .= '     right=true;';
+   } else {
+       $xtra .= '     right=false;';
+   }
+$xtra .= <<<HEREDOC
+   if (right) {
+         new_col = '*,'+c_w;
+     } else {
+         new_col = c_w+',*';
+     }
+     return new_col;
+   }
+   function resizeframe(direction) {
+     if (document.all) {
+        masterf = window.parent.document.all["fs1"];
+     } else if (document.getElementById) {
+        window.parent.document.getElementById("fs1");
+     } else {
+        return false;
+     }
+HEREDOC;
+   if ($location_of_bar == 'right') {
+       $xtra .= '  colPat=/^\*,(\d+)$/;';
+   } else {
+       $xtra .= '  colPat=/^(\d+),.*$/;';
+   }
+$xtra .= <<<HEREDOC
+     old_col = masterf.cols;
+     colPat.exec(old_col);
+     if (direction) {
+        new_col_width = parseInt(RegExp.$1) + 25;
+     } else {
+        if (parseInt(RegExp.$1) > 35) {
+           new_col_width = parseInt(RegExp.$1) - 25;
+        }
+     }
+     masterf.cols = calc_col(new_col_width);
+   }
+//-->
+</script>
+
+HEREDOC;
+
+/* style definitions */
+
+$xtra .= <<<HEREDOC
+<style type="text/css">
+<!--
+  body {
+     margin: 0px 0px 0px 0px;
+     padding: 5px 5px 5px 5px;
+  }
+  img {
+     vertical-align: middle;
+  }
+  .button {
+     border:outset;
+     border-color: $color[9];
+     background:$color[0];
+     color:$color[6];
+     width:99%;
+     heigth:99%;
+  }
+  .mbx_par {
+     font-size:1.0em;
+     margin-left:4px;
+     margin-right:0px;
+     white-space: nowrap;
+  }
+  a.mbx_link {
+      text-decoration: none;
+      background-color: $color[0];
+      display: inline;
+  }
+  a:hover.mbx_link {
+      background-color: $color[9];
+  }
+  a.mbx_link img {
+      border-style: none;
+  }
+  .mbx_sub {
+     padding-left:5px;
+     padding-right:0px;
+     margin-left:4px;
+     margin-right:0px;
+     font-size:0.9em;
+     white-space: nowrap;
+  }
+  .par_area {
+     margin-top:0px;
+     margin-left:4px;
+     margin-right:0px;
+     padding-left:10px;
+     padding-bottom:5px;
+     border-left: solid;
+     border-left-width:0.1em;
+     border-left-color:$color[9];
+     border-bottom: solid;
+     border-bottom-width:0.1em;
+     border-bottom-color:$color[9];
+     display: block;
+  }
+  .mailboxes {
+     padding-bottom:3px;
+     margin-right:4px;
+     padding-right:4px;
+     margin-left:4px;
+     padding-left:4px;
+     border: groove;
+     border-width:0.1em;
+     border-color:$color[9];
+     background: $color[0];
+     font-size: smaller;
+  }
+-->
+</style>
+
+HEREDOC;
+}
+
+displayHtmlHeader( 'SquirrelMail', $xtra );
+sqgetGlobalVar('auto_create_done',$auto_create_done,SQ_SESSION);
+/* If requested and not yet complete, attempt to autocreate folders. */
+if ($auto_create_special && !isset($auto_create_done)) {
+    $autocreate = array($sent_folder, $trash_folder, $draft_folder);
+    foreach( $autocreate as $folder ) {
+        if (($folder != '') && ($folder != 'none')) {
+            if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
+                sqimap_mailbox_create($imapConnection, $folder, '');
             } else {
-                $prefix = str_replace(' ','&nbsp;',$prefix);
-            }
-            $line = "<NOBR><TT>$prefix</TT>";
-
-            /* Add the folder name and link. */
-            if (in_array('noselect', $boxes[$i]['flags'])) {
-                $line .= "<FONT COLOR=\"$color[10]\">";
-                if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
-                    $mailbox = str_replace('&nbsp;','',$mailbox);
-                    $line .= str_replace(' ', '&nbsp;', $mailbox);
+                // check for subscription is useless and expensive, just
+                // surpress the NO response. Unless we're on Mecury, which
+                // will just subscribe a folder again if it's already
+                // subscribed.
+                if ( strtolower($imap_server_type) != 'mercury32' ||
+                    !sqimap_mailbox_is_subscribed($imapConnection, $folder) ) {
+                    sqimap_subscribe($imapConnection, $folder, false);
                 }
-                $line .= '</FONT>';
-            } else {
-                $line .= formatMailboxName($imapConnection, $boxes[$i]);
             }
+        }
+    }
 
-            /* Put the final touches on our folder line. */
-            $line .= "</NOBR><BR>\n";
-
-            /* Output the line for this folder. */
-            echo $line;
+    /* Let the world know that autocreation is complete! Hurrah! */
+    $auto_create_done = TRUE;
+    sqsession_register($auto_create_done, 'auto_create_done');
+}
+
+if ($advanced_tree) {
+    echo "\n<body" .
+            ' onload="preload(\'../images/minus.png\',\'../images/plus.png\')"' .
+            " bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
+} else {
+    echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
+}
+
+do_hook('left_main_before');
+if ($advanced_tree) {
+   /* nice future feature, needs layout !! volunteers?   */
+   $right_pos = $left_size - 20;
+/*   echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div id="hidef" style="width=20;font-size:12"><a href="javascript:hideframe(true)"><b>&lt;&lt;</b></a></div>';
+   echo '<div id="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>&gt;&gt;</b></a></div>';
+   echo '<div id="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>&gt;</b></a></div>';
+   echo '<div id="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b>&lt;</b></a></div></div>';
+   echo '<div id="leftframe"><br /><br />';*/
+}
+
+echo "\n\n" . 
+    '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
+
+if ($date_format != 6) {
+    /* First, display the clock. */
+    if ($hour_format == 1) {
+        $hr = 'H:i';
+        if ($date_format == 4) {
+            $hr .= ':s';
+        }
+    } else {
+        if ($date_format == 4) {
+            $hr = 'g:i:s a';
+        } else {
+            $hr = 'g:i a';
         }
     }
 
-    sqimap_logout($imapConnection);
-    do_hook('left_main_after');
+    switch( $date_format ) {
+    case 0:
+        $clk = date('Y-m-d '.$hr. ' T', time());
+        break;
+    case 1:
+        $clk = date('m/d/y '.$hr, time());
+        break;
+    case 2:
+        $clk = date('d/m/y '.$hr, time());
+        break;
+    case 4:
+    case 5:
+        $clk = date($hr, time());
+        break;
+    default:
+        $clk = getDayAbrv( date( 'w', time() ) ) . date( ', ' . $hr, time() );
+    }
+    $clk = str_replace(' ','&nbsp;',$clk);
+
+    echo '<small><span style="white-space: nowrap;">' 
+       . str_replace(' ', '&nbsp;', _("Last Refresh")) 
+       . ":</span><br /><span style=\"white-space: nowrap;\">$clk</span></small><br />\n";
+}
+
+/* Next, display the refresh button. */
+echo '<div style="white-space: nowrap;"><small>[<a href="../src/left_main.php" target="left">'.
+     _("Check mail") . "</a>]</small></div></center><br />\n\n";
+
+/* Lastly, display the folder list. */
+if ( $collapse_folders ) {
+    /* If directed, collapse or uncollapse a folder. */
+    if (isset($fold)) {
+        setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
+    } else if (isset($unfold)) {
+        setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
+    }
+}
+
+/* Get unseen/total display prefs */
+$unseen_type = getPref( $data_dir , $username , 'unseen_type' );
+$unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
+
+if (empty($unseen_type)) {
+    if (!empty($default_unseen_type)) {
+        $unseen_type = $default_unseen_type;
+    } else {
+        $unseen_type = 1;
+    }
+}
 
-    echo "</BODY></HTML>\n";
+if (empty($unseen_notify)) {
+    if (!empty($default_unseen_notify)) {
+        $unseen_notify = $default_unseen_notify;
+    } else {
+        $unseen_notify = 0;
+    }
+}
+
+$boxes = sqimap_mailbox_tree($imapConnection);
+if (isset($advanced_tree) && $advanced_tree) {
+    echo '<form name="collapse" action="left_main.php" method="post" ' .
+         'enctype="multipart/form-data">'."\n";
+    echo '<button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br /><br />';
+    echo '<div id="mailboxes" class="mailboxes">'."\n\n";
+    sqgetGlobalVar('mbx', $mbx, SQ_POST);
+    if (!isset($mbx)) $mbx=NULL;
+    ListAdvancedBoxes($boxes, $mbx);
+    echo '</div>';
+    echo '</form>'."\n";
+} else {
+    ListBoxes($boxes);
+}
+
+do_hook('left_main_after');
+sqimap_logout($imapConnection);
 
 ?>
+</body></html>