[squirrelmail.git] / src / left_main.php

<?php
   /**
    * left_main.php
    * Copyright (c) 1999-2001 The Squirrelmail Development 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.
    *
    * $Id$
    */

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

    /* These constants are used for folder stuff. */
    define('SM_BOX_UNCOLLAPSED', 0);
    define('SM_BOX_COLLAPSED',   1);

    // open a connection on the imap port (143)
    $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output

    displayHtmlHeader();

    /* If requested and not yet complete, attempt to autocreate folders. */
    if ($auto_create_special && ! isset($auto_create_done)) {
        /* Autocreate the sent folder, if needed. */
        if (isset ($sent_folder) && $sent_folder != 'none') {
            if (!sqimap_mailbox_exists ($imapConnection, $sent_folder)) {
                sqimap_mailbox_create ($imapConnection, $sent_folder, '');
            } else if (! sqimap_mailbox_is_subscribed($imapConnection, $sent_folder)) {
                sqimap_subscribe($imapConnection, $sent_folder);
            }
        }

            /* Autocreate the trash folder, if needed. */
        if (isset ($trash_folder) && $trash_folder != 'none') {
            if (!sqimap_mailbox_exists ($imapConnection, $trash_folder)) {
                sqimap_mailbox_create ($imapConnection, $trash_folder, '');
            } else if (! sqimap_mailbox_is_subscribed($imapConnection, $trash_folder)) {
                sqimap_subscribe($imapConnection, $trash_folder);
            }
        }

        /* Autocreate the drafts folder, if needed. */
        if (isset ($draft_folder) && $draft_folder != 'none') {
            if (!sqimap_mailbox_exists ($imapConnection, $draft_folder)) {
                sqimap_mailbox_create ($imapConnection, $draft_folder, '');
            } else if (! sqimap_mailbox_is_subscribed($imapConnection, $draft_folder)) {
                sqimap_subscribe($imapConnection, $draft_folder);
            }
        }

          /* Let the world know that autocreation is complete! Hurrah! */
        $auto_create_done = true;
        session_register('auto_create_done');
    }

   function formatMailboxName($imapConnection, $box_array, $delimeter) {
      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'];
      $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
      $mailboxURL = urlencode($real_box);

      /* Strip down the mailbox name. */
      if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
          $mailbox = $regs[2];
      }

      $unseen = 0;

      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;
         }
      }
      
      $special_color = false;
      if ($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;
          }
      }
         
      /* Start off with a blank line. */
      $line = '';

      /* If there are unseen message, bold the line. */      
      if ($unseen > 0) { $line .= '<B>'; }

      /* 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 there are unseen message, close bolding. */
      if ($unseen > 0) { $line .= "</B>"; }

      /* Print unseen information. */
      if (isset($unseen_found) && $unseen_found) {
         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
      }

      if (($move_to_trash == true) && ($real_box == $trash_folder)) {
         if (! isset($numMessages)) {
            $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
         }

         if ($numMessages > 0) {
            $urlMailbox = urlencode($real_box);
            $line .= "\n<small>\n";
            $line .= "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("empty")."</A>)";
            $line .= "\n</small>\n";
         }
      }

      /* Return the final product. */
      return ($line);
   }

   /**********************************/
   /* END OF FUNCTION - BACK TO MAIN */
   /**********************************/

    if (isset($left_refresh) && ($left_refresh != 'none') && ($left_refresh != '')) {
        echo "<META HTTP-EQUIV=\"Expires\" CONTENT=\"Thu, 01 Dec 1994 16:00:00 GMT\">\n";
        echo "<META HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">\n"; 
        echo "<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"$left_refresh;URL=left_main.php\">\n";
    }
   
    echo "\n<BODY BGCOLOR=\"$color[3]\" TEXT=\"$color[6]\" LINK=\"$color[6]\" VLINK=\"$color[6]\" ALINK=\"$color[6]\">\n";

    do_hook("left_main_before");

    $boxes = sqimap_mailbox_list($imapConnection);

    echo '<CENTER><FONT SIZE=4><B>';
    echo _("Folders") . "</B><BR></FONT>\n\n";

    if ($date_format != 6) { 
        /* First, display the clock. */
        if ($hour_format == 1) {
          if ($date_format == 4) {
             $hr = "G:i:s";
          } else {
             $hr = "G:i";
          }
        } else {  
          if ($date_format == 4) {
             $hr = "g:i:s a";
          } else {
             $hr = "g:i a";
          }
        }
    
	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);

	echo '<CENTER><SMALL>' . str_replace(' ','&nbsp;',_("Last Refresh"))
	  .  ": $clk</SMALL></CENTER>";
    }

    /* Next, display the refresh button. */
    echo '<SMALL>(<A HREF="../src/left_main.php" TARGET="left">';
    echo _("refresh folder list");
    echo '</A>)</SMALL></CENTER><BR>';
    $delimeter = sqimap_get_delimiter($imapConnection);

    /* Lastly, display the folder list. */
    if (isset($collapse_folders) && $collapse_folders) {
        /* If directed, collapse or uncollapse a folder. */
        if (isset($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);
        }
    }

    /* 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'] == true) {
            $mailbox = $boxes[$i]['formatted'];
            $mblevel = substr_count($boxes[$i]['unformatted'], $delimeter) + 1;

            /* 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));
                $prefix .= create_collapse_link($i) . '&nbsp;';
            } 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);
                }
                $line .= '</FONT>';
            } else {
                $line .= formatMailboxName($imapConnection, $boxes[$i], $delimeter);
            }

            /* Put the final touches on our folder line. */
            $line .= "</NOBR><BR>\n";

            /* Output the line for this folder. */
            echo $line;
        }
    }
    sqimap_logout($imapConnection);
    do_hook("left_main_after");

    /**
     * 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\">-";
        }
        $link .= '</a>';

        /* Return the finished product. */
        return ($link);
    }
   
    /**
     * This simple function checks if a box is another box's parent.
     */
    function is_parent_box($curbox_name, $parbox_name) {
        global $delimeter;

        /* Extract the name of the parent of the current box. */
        $curparts = explode($delimeter, $curbox_name);
        $curname = array_pop($curparts);
        $actual_parname = implode($delimeter, $curparts);
        $actual_parname = substr($actual_parname,0,strlen($parbox_name));

        /* Compare the actual with the given parent name. */
        return ($parbox_name == $actual_parname);
    }

    /**
     * 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;
        $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. */
        $collapse = 0;
        $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
        $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
        $boxes[$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;
            }

            /* Compute the visibility of any child boxes. */
            compute_folder_children($nextbox, $boxcount);
        }

        /* Set the parent box to the current next box. */
        $parbox = $nextbox;
    }
    echo "</BODY></HTML>\n";
?>
Commit	Line	Data
59177427	1	<?php
21c3249f	2	/**
23d6bd09	3	* left_main.php
	4	* Copyright (c) 1999-2001 The Squirrelmail Development Team
	5	* Licensed under the GNU GPL. For full terms see the file COPYING.
	6	*
	7	* This is the code for the left bar. The left bar shows the folders
	8	* available, and has cookie information.
	9	*
	10	* $Id$
	11	*/
21c3249f	12
a6d2e0de	13	require_once('../src/validate.php');
	14	require_once('../functions/array.php');
	15	require_once('../functions/imap.php');
	16	require_once('../functions/plugin.php');
142499d4	17
a6d2e0de	18	/* These constants are used for folder stuff. */
	19	define('SM_BOX_UNCOLLAPSED', 0);
	20	define('SM_BOX_COLLAPSED', 1);
	21
	22	// open a connection on the imap port (143)
	23	$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
94f3a73b	24
a6d2e0de	25	displayHtmlHeader();
21c3249f	26
f7b1b3b1	27	/* If requested and not yet complete, attempt to autocreate folders. */
f7b1b3b1	28	if ($auto_create_special && ! isset($auto_create_done)) {
94f3a73b	29	/* Autocreate the sent folder, if needed. */
	30	if (isset ($sent_folder) && $sent_folder != 'none') {
	31	if (!sqimap_mailbox_exists ($imapConnection, $sent_folder)) {
	32	sqimap_mailbox_create ($imapConnection, $sent_folder, '');
	33	} else if (! sqimap_mailbox_is_subscribed($imapConnection, $sent_folder)) {
	34	sqimap_subscribe($imapConnection, $sent_folder);
	35	}
	36	}
	37
	38	/* Autocreate the trash folder, if needed. */
	39	if (isset ($trash_folder) && $trash_folder != 'none') {
	40	if (!sqimap_mailbox_exists ($imapConnection, $trash_folder)) {
	41	sqimap_mailbox_create ($imapConnection, $trash_folder, '');
	42	} else if (! sqimap_mailbox_is_subscribed($imapConnection, $trash_folder)) {
	43	sqimap_subscribe($imapConnection, $trash_folder);
	44	}
	45	}
	46
	47	/* Autocreate the drafts folder, if needed. */
	48	if (isset ($draft_folder) && $draft_folder != 'none') {
	49	if (!sqimap_mailbox_exists ($imapConnection, $draft_folder)) {
	50	sqimap_mailbox_create ($imapConnection, $draft_folder, '');
	51	} else if (! sqimap_mailbox_is_subscribed($imapConnection, $draft_folder)) {
	52	sqimap_subscribe($imapConnection, $draft_folder);
	53	}
	54	}
f7b1b3b1	55
f7b1b3b1	56	/* Let the world know that autocreation is complete! Hurrah! */
94f3a73b	57	$auto_create_done = true;
	58	session_register('auto_create_done');
	59	}
f7bfc9de	60
235a65d5	61	function formatMailboxName($imapConnection, $box_array, $delimeter) {
5bdd7223	62	global $folder_prefix, $trash_folder, $sent_folder;
5bdd7223	63	global $color, $move_to_sent, $move_to_trash;
235a65d5	64	global $unseen_notify, $unseen_type, $collapse_folders;
d17145d9	65	global $draft_folder, $save_as_draft;
f7b1b3b1	66	global $use_special_folder_color;
235a65d5	67
235a65d5	68	$real_box = $box_array['unformatted'];
a6d2e0de	69	$mailbox = str_replace(' ','',$box_array['formatted']);
5c42b0dd	70	$mailboxURL = urlencode($real_box);
a6d2e0de	71
	72	/* Strip down the mailbox name. */
	73	if (ereg("^( )([^ ])$", $mailbox, $regs)) {
	74	$mailbox = $regs[2];
	75	}
94f3a73b	76
235a65d5	77	$unseen = 0;
4d2c01e3	78
d6def997	79	if (($unseen_notify == 2 && $real_box == 'INBOX') \|\|
235a65d5	80	$unseen_notify == 3) {
4d2c01e3	81	$unseen = sqimap_unseen_messages($imapConnection, $real_box);
24fc5dd2	82	if ($unseen_type == 1 && $unseen > 0) {
	83	$unseen_string = "($unseen)";
	84	$unseen_found = true;
	85	} else if ($unseen_type == 2) {
	86	$numMessages = sqimap_get_num_messages($imapConnection, $real_box);
	87	$unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
	88	$unseen_found = true;
	89	}
	90	}
5bdd7223	91
7ce342dc	92	$special_color = false;
f7b1b3b1	93	if ($use_special_folder_color) {
	94	if ((strtolower($real_box) == 'inbox')
	95	\|\| (($real_box == $trash_folder) && ($move_to_trash))
	96	\|\| (($real_box == $sent_folder) && ($move_to_sent))
	97	\|\| (($real_box == $draft_folder) && ($save_as_draft))) {
	98	$special_color = true;
	99	}
	100	}
235a65d5	101
a6d2e0de	102	/* Start off with a blank line. */
	103	$line = '';
	104
	105	/* If there are unseen message, bold the line. */
	106	if ($unseen > 0) { $line .= '<B>'; }
	107
	108	/* Crate the link for this folder. */
0afa6558	109	$line .= "<A HREF=\"right_main.php?sort=0&startMessage=1&mailbox=$mailboxURL\" TARGET=\"right\" STYLE=\"text-decoration:none\">";
235a65d5	110	if ($special_color == true)
235a65d5	111	$line .= "<FONT COLOR=\"$color[11]\">";
d3b3cda7	112	$line .= str_replace(' ',' ',$mailbox);
235a65d5	113	if ($special_color == true)
a6d2e0de	114	$line .= "</FONT>";
a6d2e0de	115	$line .= '</A>';
7ce342dc	116
a6d2e0de	117	/* If there are unseen message, close bolding. */
a6d2e0de	118	if ($unseen > 0) { $line .= "</B>"; }
235a65d5	119
a6d2e0de	120	/* Print unseen information. */
245a6892	121	if (isset($unseen_found) && $unseen_found) {
a6d2e0de	122	$line .= " <SMALL>$unseen_string</SMALL>";
7ce342dc	123	}
7ce342dc	124
1e0628fb	125	if (($move_to_trash == true) && ($real_box == $trash_folder)) {
a6d2e0de	126	if (! isset($numMessages)) {
b4cf620b	127	$numMessages = sqimap_get_num_messages($imapConnection, $real_box);
a6d2e0de	128	}
b4cf620b	129
a6d2e0de	130	if ($numMessages > 0) {
b4cf620b	131	$urlMailbox = urlencode($real_box);
b4cf620b	132	$line .= "\n<small>\n";
26a425f5	133	$line .= "  (<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("empty")."</A>)";
b4cf620b	134	$line .= "\n</small>\n";
12d61439	135	}
d92b6f31	136	}
d92b6f31	137
a6d2e0de	138	/* Return the final product. */
a6d2e0de	139	return ($line);
469eb37b	140	}
a6d2e0de	141
f7b1b3b1	142	/**********************************/
	143	/* END OF FUNCTION - BACK TO MAIN */
	144	/**********************************/
	145
cd0332fb	146	if (isset($left_refresh) && ($left_refresh != 'none') && ($left_refresh != '')) {
a6d2e0de	147	echo "<META HTTP-EQUIV=\"Expires\" CONTENT=\"Thu, 01 Dec 1994 16:00:00 GMT\">\n";
	148	echo "<META HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">\n";
	149	echo "<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"$left_refresh;URL=left_main.php\">\n";
	150	}
813eba2f	151
a6d2e0de	152	echo "\n<BODY BGCOLOR=\"$color[3]\" TEXT=\"$color[6]\" LINK=\"$color[6]\" VLINK=\"$color[6]\" ALINK=\"$color[6]\">\n";
235a65d5	153
a6d2e0de	154	do_hook("left_main_before");
235a65d5	155
a6d2e0de	156	$boxes = sqimap_mailbox_list($imapConnection);
a6d2e0de	157
d6def997	158	echo '<CENTER><FONT SIZE=4><B>';
a6d2e0de	159	echo _("Folders") . "</B><BR></FONT>\n\n";
a6d2e0de	160
ce393174	161	if ($date_format != 6) {
056d0da2	162	/* First, display the clock. */
	163	if ($hour_format == 1) {
	164	if ($date_format == 4) {
	165	$hr = "G:i:s";
	166	} else {
	167	$hr = "G:i";
	168	}
	169	} else {
	170	if ($date_format == 4) {
	171	$hr = "g:i:s a";
	172	} else {
	173	$hr = "g:i a";
	174	}
	175	}
2016e645	176
056d0da2	177	switch( $date_format ) {
	178	case 1:
	179	$clk = date("m/d/y ".$hr, time());
	180	break;
	181	case 2:
	182	$clk = date("d/m/y ".$hr, time());
	183	break;
	184	case 4:
	185	case 5:
	186	$clk = date($hr, time());
	187	break;
	188	default:
	189	$clk = date("D, ".$hr, time());
	190	}
	191	$clk = str_replace(' ',' ',$clk);
	192
	193	echo '<CENTER><SMALL>' . str_replace(' ',' ',_("Last Refresh"))
	194	. ": $clk</SMALL></CENTER>";
2016e645	195	}
2016e645	196
23d6bd09	197	/* Next, display the refresh button. */
d6def997	198	echo '<SMALL>(<A HREF="../src/left_main.php" TARGET="left">';
a6d2e0de	199	echo _("refresh folder list");
d6def997	200	echo '</A>)</SMALL></CENTER><BR>';
a6d2e0de	201	$delimeter = sqimap_get_delimiter($imapConnection);
a6d2e0de	202
23d6bd09	203	/* Lastly, display the folder list. */
a6d2e0de	204	if (isset($collapse_folders) && $collapse_folders) {
	205	/* If directed, collapse or uncollapse a folder. */
	206	if (isset($fold)) {
	207	setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
	208	} else if (isset($unfold)) {
	209	setPref($data_dir, $username, 'collapse_folder_' . $unfold, $SM_BOX_UNCOLLAPSED);
	210	}
	211	}
	212
	213	/* Prepare do do out collapsedness and visibility computation. */
	214	$curbox = 0;
	215	$boxcount = count($boxes);
	216
	217	/* Compute the collapsedness and visibility of each box. */
	218	while ($curbox < $boxcount) {
	219	$boxes[$curbox]['visible'] = true;
	220	compute_folder_children($curbox, $boxcount);
	221	}
	222
	223	for ($i = 0;$i < count($boxes); $i++) {
	224	if ($boxes[$i]['visible'] == true) {
	225	$mailbox = $boxes[$i]['formatted'];
	226	$mblevel = substr_count($boxes[$i]['unformatted'], $delimeter) + 1;
235a65d5	227
a6d2e0de	228	/* Create the prefix for the folder name and link. */
	229	$prefix = str_repeat(' ',$mblevel);
	230	if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
	231	$prefix = str_replace(' ',' ',substr($prefix,0,strlen($prefix)-2));
	232	$prefix .= create_collapse_link($i) . ' ';
	233	} else {
	234	$prefix = str_replace(' ',' ',$prefix);
235a65d5	235	}
a6d2e0de	236	$line = "<NOBR><TT>$prefix</TT>";
	237
	238	/* Add the folder name and link. */
	239	if (in_array('noselect', $boxes[$i]['flags'])) {
	240	$line .= "<FONT COLOR=\"$color[10]\">";
	241	if (ereg("^( )([^ ])", $mailbox, $regs)) {
dfe4358b	242	$mailbox = str_replace(' ','',$mailbox);
a6d2e0de	243	$line .= str_replace(' ', ' ', $mailbox);
	244	}
	245	$line .= '</FONT>';
	246	} else {
	247	$line .= formatMailboxName($imapConnection, $boxes[$i], $delimeter);
	248	}
	249
	250	/* Put the final touches on our folder line. */
	251	$line .= "</NOBR><BR>\n";
	252
	253	/* Output the line for this folder. */
	254	echo $line;
	255	}
	256	}
	257	sqimap_logout($imapConnection);
	258	do_hook("left_main_after");
	259
	260	/**
	261	* Create the link for a parent folder that will allow that
	262	* parent folder to either be collapsed or expaned, as is
	263	* currently appropriate.
	264	*/
	265	function create_collapse_link($boxnum) {
	266	global $boxes;
	267	$mailbox = urlencode($boxes[$boxnum]['unformatted']);
	268
	269	/* Create the link for this collapse link. */
	270	$link = '<a target="left" style="text-decoration:none" ';
	271	$link .= 'href="left_main.php?';
	272	if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
	273	$link .= "unfold=$mailbox\">+";
	274	} else {
	275	$link .= "fold=$mailbox\">-";
	276	}
	277	$link .= '</a>';
	278
	279	/* Return the finished product. */
	280	return ($link);
	281	}
235a65d5	282
a6d2e0de	283	/**
	284	* This simple function checks if a box is another box's parent.
	285	*/
	286	function is_parent_box($curbox_name, $parbox_name) {
	287	global $delimeter;
	288
	289	/* Extract the name of the parent of the current box. */
	290	$curparts = explode($delimeter, $curbox_name);
	291	$curname = array_pop($curparts);
	292	$actual_parname = implode($delimeter, $curparts);
	293	$actual_parname = substr($actual_parname,0,strlen($parbox_name));
	294
	295	/* Compare the actual with the given parent name. */
	296	return ($parbox_name == $actual_parname);
	297	}
	298
	299	/**
	300	* Recursive function that computes the collapsed status and parent
	301	* (or not parent) status of this box, and the visiblity and collapsed
	302	* status and parent (or not parent) status for all children boxes.
	303	*/
	304	function compute_folder_children(&$parbox, $boxcount) {
4aaea201	305	global $boxes, $data_dir, $username;
a6d2e0de	306	$nextbox = $parbox + 1;
	307
	308	/* Retreive the name for the parent box. */
	309	$parbox_name = $boxes[$parbox]['unformatted'];
	310
	311	/* 'Initialize' this parent box to childless. */
	312	$boxes[$parbox]['parent'] = false;
	313
	314	/* Compute the collapse status for this box. */
	315	$collapse = 0;
	316	$collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
	317	$collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
	318	$boxes[$parbox]['collapse'] = $collapse;
	319
	320	/* Otherwise, get the name of the next box. */
4aaea201	321	if (isset($boxes[$nextbox]['unformatted']))
	322	$nextbox_name = $boxes[$nextbox]['unformatted'];
	323	else
	324	$nextbox_name = '';
a6d2e0de	325
	326	/* Compute any children boxes for this box. */
	327	while (($nextbox < $boxcount) &&
	328	(is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
	329
	330	/* Note that this 'parent' box has at least one child. */
	331	$boxes[$parbox]['parent'] = true;
	332
	333	/* Compute the visiblity of this box. */
	334	if ($boxes[$parbox]['visible'] &&
	335	($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED)) {
	336	$boxes[$nextbox]['visible'] = true;
	337	} else {
	338	$boxes[$nextbox]['visible'] = false;
	339	}
	340
	341	/* Compute the visibility of any child boxes. */
	342	compute_folder_children($nextbox, $boxcount);
	343	}
	344
	345	/* Set the parent box to the current next box. */
	346	$parbox = $nextbox;
	347	}
d6def997	348	echo "</BODY></HTML>\n";
4aaea201	349	?>