src/left_main.php

   1 <?php
   2
   3 /**
   4  * left_main.php
   5  *
   6  * Copyright (c) 1999-2003 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This is the code for the left bar. The left bar shows the folders
  10  * available, and has cookie information.
  11  *
  12  * $Id$
  13  */
  14
  15 /* Path for SquirrelMail required files. */
  16 define('SM_PATH','../');
  17
  18 /* SquirrelMail required files. */
  19 require_once(SM_PATH . 'include/validate.php');
  20 require_once(SM_PATH . 'functions/imap.php');
  21 require_once(SM_PATH . 'functions/plugin.php');
  22 require_once(SM_PATH . 'functions/page_header.php');
  23 require_once(SM_PATH . 'functions/html.php');
  24 require_once(SM_PATH . 'functions/date.php');
  25
  26 /* These constants are used for folder stuff. */
  27 define('SM_BOX_UNCOLLAPSED', 0);
  28 define('SM_BOX_COLLAPSED',   1);
  29
  30 /* --------------------- FUNCTIONS ------------------------- */
  31
  32 function formatMailboxName($imapConnection, $box_array) {
  33
  34     global $folder_prefix, $trash_folder, $sent_folder,
  35            $color, $move_to_sent, $move_to_trash,
  36            $unseen_notify, $unseen_type, $collapse_folders,
  37            $draft_folder, $save_as_draft,
  38            $use_special_folder_color;
  39     $real_box = $box_array['unformatted'];
  40     $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
  41     $mailboxURL = urlencode($real_box);
  42
  43     /* Strip down the mailbox name. */
  44     if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
  45         $mailbox = $regs[2];
  46     }
  47     $unseen = 0;
  48     $status = array('','');
  49     if (($unseen_notify == 2 && $real_box == 'INBOX') ||
  50         $unseen_notify == 3) {
  51     $tmp_status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
  52     if ($status !== false) {
  53         $status = $tmp_status;
  54     }
  55     }
  56     list($unseen_string, $unseen) = $status;
  57     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  58
  59     /* Start off with a blank line. */
  60     $line = '';
  61
  62     /* If there are unseen message, bold the line. */
  63     if ($unseen > 0) { $line .= '<B>'; }
  64
  65     /* Create the link for this folder. */
  66     if ($status !== false) {
  67     $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  68                 $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  69     }
  70     if ($special_color) {
  71         $line .= "<font color=\"$color[11]\">";
  72     }
  73     if ( $mailbox == 'INBOX' ) {
  74         $line .= _("INBOX");
  75     } else {
  76         $line .= str_replace(' ','&nbsp;',$mailbox);
  77     }
  78     if ($special_color == TRUE)
  79         $line .= '</font>';
  80     if ($status !== false) {
  81     $line .= '</a>';
  82     }
  83
  84     /* If there are unseen message, close bolding. */
  85     if ($unseen > 0) { $line .= "</B>"; }
  86
  87     /* Print unseen information. */
  88     if ($unseen_string != '') {
  89         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  90     }
  91
  92     /* If it's the trash folder, show a purge link when needed */
  93     if (($move_to_trash) && ($real_box == $trash_folder)) {
  94         if (! isset($numMessages)) {
  95             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  96         }
  97
  98         if (($numMessages > 0) or ($box_array['parent'] == 1)) {
  99             $urlMailbox = urlencode($real_box);
 100             $line .= "\n<small>\n" .
 101                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 102                     "</small>";
 103         } else {
 104            $line .= concat_hook_function('left_main_after_each_folder',
 105                   array(isset($numMessages) ? $numMessages : '',$real_box,$imapConnection));
 106         }
 107     }
 108
 109     /* Return the final product. */
 110     return ($line);
 111 }
 112
 113 /**
 114  * Recursive function that computes the collapsed status and parent
 115  * (or not parent) status of this box, and the visiblity and collapsed
 116  * status and parent (or not parent) status for all children boxes.
 117  */
 118 function compute_folder_children(&$parbox, $boxcount) {
 119     global $boxes, $data_dir, $username, $collapse_folders;
 120     $nextbox = $parbox + 1;
 121
 122     /* Retreive the name for the parent box. */
 123     $parbox_name = $boxes[$parbox]['unformatted'];
 124
 125     /* 'Initialize' this parent box to childless. */
 126     $boxes[$parbox]['parent'] = FALSE;
 127
 128     /* Compute the collapse status for this box. */
 129     if( isset($collapse_folders) && $collapse_folders ) {
 130         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
 131         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 132     } else {
 133         $collapse = SM_BOX_UNCOLLAPSED;
 134     }
 135     $boxes[$parbox]['collapse'] = $collapse;
 136
 137     /* Otherwise, get the name of the next box. */
 138     if (isset($boxes[$nextbox]['unformatted'])) {
 139         $nextbox_name = $boxes[$nextbox]['unformatted'];
 140     } else {
 141         $nextbox_name = '';
 142     }
 143
 144     /* Compute any children boxes for this box. */
 145     while (($nextbox < $boxcount) &&
 146            (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
 147
 148         /* Note that this 'parent' box has at least one child. */
 149         $boxes[$parbox]['parent'] = TRUE;
 150
 151         /* Compute the visiblity of this box. */
 152         $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
 153                                        ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
 154
 155         /* Compute the visibility of any child boxes. */
 156         compute_folder_children($nextbox, $boxcount);
 157     }
 158
 159     /* Set the parent box to the current next box. */
 160     $parbox = $nextbox;
 161 }
 162
 163 /**
 164  * Create the link for a parent folder that will allow that
 165  * parent folder to either be collapsed or expaned, as is
 166  * currently appropriate.
 167  */
 168 function create_collapse_link($boxnum) {
 169     global $boxes, $imapConnection, $unseen_notify, $color;
 170     $mailbox = urlencode($boxes[$boxnum]['unformatted']);
 171
 172     /* Create the link for this collapse link. */
 173     $link = '<a target="left" style="text-decoration:none" ' .
 174             'href="left_main.php?';
 175     if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
 176         $link .= "unfold=$mailbox\">+";
 177     } else {
 178         $link .= "fold=$mailbox\">-";
 179     }
 180     $link .= '</a>';
 181
 182     $hooklink = do_hook_function('create_collapse_link',$link);
 183     if ($hooklink != '')
 184         $link = $hooklink;
 185
 186     /* Return the finished product. */
 187     return ($link);
 188 }
 189
 190 /**
 191  * create_unseen_string:
 192  *
 193  * Create unseen and total message count for both this folder and
 194  * it's subfolders.
 195  *
 196  * @param string $boxName name of the current mailbox
 197  * @param array $boxArray array for the current mailbox
 198  * @param $imapConnection current imap connection in use
 199  * @return array[0] unseen message string (for display)
 200  * @return array[1] unseen message count
 201  */
 202 function create_unseen_string($boxName, $boxArray, $imapConnection, $unseen_type) {
 203     global $boxes, $unseen_type, $color, $unseen_cum;
 204
 205     /* Initialize the return value. */
 206     $result = array(0,0);
 207
 208     /* Initialize the counts for this folder. */
 209     $boxUnseenCount = 0;
 210     $boxMessageCount = 0;
 211     $totalUnseenCount = 0;
 212     $totalMessageCount = 0;
 213
 214     /* Collect the counts for this box alone. */
 215     $status = sqimap_status_messages($imapConnection, $boxName);
 216     $boxUnseenCount = $status['UNSEEN'];
 217     if ($boxUnseenCount === false) {
 218     return false;
 219     }
 220     if ($unseen_type == 2) {
 221         $boxMessageCount = $status['MESSAGES'];
 222     }
 223
 224     /* Initialize the total counts. */
 225
 226     if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
 227         /* Collect the counts for this boxes subfolders. */
 228         $curBoxLength = strlen($boxName);
 229         $boxCount = count($boxes);
 230
 231         for ($i = 0; $i < $boxCount; ++$i) {
 232             /* Initialize the counts for this subfolder. */
 233             $subUnseenCount = 0;
 234             $subMessageCount = 0;
 235
 236             /* Collect the counts for this subfolder. */
 237             if (($boxName != $boxes[$i]['unformatted'])
 238                    && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
 239                    && !in_array('noselect', $boxes[$i]['flags'])) {
 240         $status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
 241         $subUnseenCount = $status['UNSEEN'];
 242                 if ($unseen_type == 2) {
 243                     $subMessageCount = $status['MESSAGES'];;
 244                 }
 245                 /* Add the counts for this subfolder to the total. */
 246                 $totalUnseenCount += $subUnseenCount;
 247                 $totalMessageCount += $subMessageCount;
 248             }
 249         }
 250
 251         /* Add the counts for all subfolders to that of the box. */
 252         $boxUnseenCount += $totalUnseenCount;
 253         $boxMessageCount += $totalMessageCount;
 254     }
 255
 256     /* And create the magic unseen count string.     */
 257     /* Really a lot more then just the unseen count. */
 258     if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
 259         $result[0] = "($boxUnseenCount)";
 260     } else if ($unseen_type == 2) {
 261         $result[0] = "($boxUnseenCount/$boxMessageCount)";
 262         $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
 263     }
 264
 265     /* Set the unseen count to return to the outside world. */
 266     $result[1] = $boxUnseenCount;
 267
 268     /* Return our happy result. */
 269     return ($result);
 270 }
 271
 272 /**
 273  * This simple function checks if a box is another box's parent.
 274  */
 275 function is_parent_box($curbox_name, $parbox_name) {
 276     global $delimiter;
 277
 278     /* Extract the name of the parent of the current box. */
 279     $curparts = explode($delimiter, $curbox_name);
 280     $curname = array_pop($curparts);
 281     $actual_parname = implode($delimiter, $curparts);
 282     $actual_parname = substr($actual_parname,0,strlen($parbox_name));
 283
 284     /* Compare the actual with the given parent name. */
 285     return ($parbox_name == $actual_parname);
 286 }
 287
 288 function ListBoxes ($boxes, $j=0 ) {
 289     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 290            $move_to_trash, $trash_folder, $collapse_folders, $imapConnection;
 291
 292     $pre = '<nobr>';
 293     $end = '';
 294     $collapse = false;
 295     $unseen = 0;
 296
 297     if (isset($boxes) && !empty($boxes)) {
 298         $mailbox = $boxes->mailboxname_full;
 299         $leader = '<tt>';
 300         $leader .= str_repeat('&nbsp;&nbsp;',$j);
 301         $mailboxURL = urlencode($mailbox);
 302
 303         /* get unseen/total messages information */
 304         /* Only need to display info when option is set */
 305         if (isset($unseen_notify) && ($unseen_notify > 1)) {
 306
 307             if ($boxes->unseen !== false) {
 308                 $unseen = $boxes->unseen;
 309             } else {
 310                 $unseen = 0;
 311             }
 312
 313             /*
 314                 Should only display unseen info if the folder is inbox
 315                 or you set the option for all folders
 316             */
 317
 318             if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 319                 $unseen_string = $unseen;
 320
 321
 322                 /* If users requests, display message count too */
 323                 if (isset($unseen_type) && ($unseen_type == 2)) {
 324                     $numMessages = $boxes->total;
 325                     $unseen_string .= '/' . $numMessages;
 326                 }
 327
 328                 $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 329
 330                 /*
 331                     Finally allow the script to display the values by setting a boolean.
 332                     This can only occur if the unseen count is great than 0 (if you have
 333                     unseen count only), or you have the message count too.
 334                 */
 335                 if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 336                     $unseen_found = true;
 337                 }
 338
 339             }
 340
 341         }
 342
 343         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 344             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 345             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 346
 347             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 348             if ($collapse) {
 349                 $link .= "unfold=$mailboxURL\">$leader+&nbsp;</tt>";
 350             } else {
 351                 $link .= "fold=$mailboxURL\">$leader-&nbsp;</tt>";
 352             }
 353             $link .= '</a>';
 354             $pre .= $link;
 355         } else {
 356             $pre.= $leader . '&nbsp;&nbsp;</tt>';
 357         }
 358
 359         /* If there are unseen message, bold the line. */
 360         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 361             if (! isset($boxes->total)) {
 362                 $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
 363             }
 364             if ($unseen > 0) {
 365                 $pre .= '<b>';
 366             }
 367             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 368             if ($unseen > 0) {
 369                 $end .= '</b>';
 370             }
 371             $end .= '</a>';
 372             if ($boxes->total > 0) {
 373                 if ($unseen > 0) {
 374                     $pre .= '<b>';
 375                 }
 376                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 377                 if ($unseen > 0) {
 378                     $end .= '</b>';
 379                 }
 380                 /* Print unseen information. */
 381                 if (isset($unseen_found) && $unseen_found) {
 382                     $end .= "&nbsp;<small>$unseen_string</small>";
 383                 }
 384                 $end .= "\n<small>\n" .
 385                         "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 386                         "</small>";
 387             }
 388         } else {
 389             if (!$boxes->is_noselect) {
 390                 if ($unseen > 0) {
 391                     $pre .= '<b>';
 392                 }
 393                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 394                 if ($unseen > 0) {
 395                     $end .= '</b>';
 396                 }
 397                 $end .= '</a>';
 398             }
 399             /* Print unseen information. */
 400             if (isset($unseen_found) && $unseen_found) {
 401                 $end .= "&nbsp;<small>$unseen_string</small>";
 402             }
 403
 404         }
 405
 406         $font = '';
 407         $fontend = '';
 408         if ($boxes->is_special) {
 409             $font = "<font color=\"$color[11]\">";
 410             $fontend = "</font>";
 411         }
 412         $end .= '</nobr>';
 413
 414         if (!$boxes->is_root) {
 415             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
 416             $j++;
 417         }
 418
 419         if (!$collapse || $boxes->is_root) {
 420             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 421                 listBoxes($boxes->mbxs[$i],$j);
 422             }
 423         }
 424     }
 425 }
 426
 427 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 428     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 429            $move_to_trash, $trash_folder, $collapse_folders;
 430
 431     if (!$boxes)
 432         return;
 433
 434     /* use_folder_images only works if the images exist in ../images */
 435     $use_folder_images = true;
 436
 437     $pre = '';
 438     $end = '';
 439     $collapse = false;
 440     $unseen_found = false;
 441     $unseen = 0;
 442
 443     $mailbox = $boxes->mailboxname_full;
 444     $mailboxURL = urlencode($mailbox);
 445
 446     /* Only need to display info when option is set */
 447     if (isset($unseen_notify) && ($unseen_notify > 1) && (($boxes->unseen !== false) || ($boxes->total !== false))) {
 448
 449         if ($boxes->unseen !== false)
 450             $unseen = $boxes->unseen;
 451
 452         /*
 453             Should only display unseen info if the folder is inbox
 454             or you set the option for all folders
 455         */
 456
 457         if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 458             $unseen_string = $unseen;
 459
 460             /* If users requests, display message count too */
 461             if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false))
 462                 $unseen_string .= '/' . $boxes->total;
 463
 464             $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 465
 466             /*
 467                 Finally allow the script to display the values by setting a boolean.
 468                 This can only occur if the unseen count is great than 0 (if you have
 469                 unseen count only), or you have the message count too.
 470             */
 471             if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 472                 $unseen_found = true;
 473             }
 474
 475         }
 476
 477     }
 478
 479     /* If there are unseen message, bold the line. */
 480     if ($unseen > 0) { $pre .= '<b>'; }
 481
 482     /* color special boxes */
 483     if ($boxes->is_special) {
 484         $pre .= "<font color=\"$color[11]\">";
 485         $end .= '</font>';
 486     }
 487
 488     /* If there are unseen message, close bolding. */
 489     if ($unseen > 0) { $end .= '</b>'; }
 490
 491     /* Print unseen information. */
 492     if (isset($unseen_found) && $unseen_found) {
 493             $end .= "&nbsp;$unseen_string";
 494     }
 495
 496     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 497         if (! isset($numMessages)) {
 498             $numMessages = $boxes->total;
 499         }
 500         $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 501         $end .= '</a>';
 502         if ($numMessages > 0) {
 503             $urlMailbox = urlencode($mailbox);
 504             $end .= "\n<small>\n" .
 505                     "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 506                     "</small>";
 507         }
 508     } else {
 509         if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 510             $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 511             $end .= '</a>';
 512         }
 513     }
 514
 515     if (!$boxes->is_root) {
 516         if ($use_folder_images) {
 517           if ($boxes->is_inbox) {
 518         $folder_img = '../images/inbox.png';
 519           } else if ($boxes->is_sent) {
 520         $folder_img = '../images/senti.png';
 521           } else if ($boxes->is_trash) {
 522         $folder_img = '../images/delitem.png';
 523           } else if ($boxes->is_draft) {
 524         $folder_img = '../images/draft.png';
 525           } else if ($boxes->is_noinferiors) {
 526         $folder_img = '../images/folder_noinf.png';
 527           } else $folder_img = '../images/folder.png';
 528           $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 529         } else $folder_img = '';
 530         if (!isset($boxes->mbxs[0])) {
 531             echo '   ' . html_tag( 'div',
 532                             '<tt>'. $pre . $folder_img . '</tt>'. $boxes->mailboxname_sub . $end,
 533                             'left', '', 'class="mbx_sub" id="' .$j. '"' ) . "\n";
 534         }
 535         else {
 536             /* get collapse information */
 537             if ($collapse_folders) {
 538                 $form_entry = $j.'F';
 539                 if (isset($mbx) && isset($mbx[$form_entry])) {
 540                     $collapse = $mbx[$form_entry];
 541                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , $collapse ? SM_BOX_COLLAPSED : SM_BOX_UNCOLLAPSED);
 542                 }
 543                 else {
 544                     $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 545                     $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 546                 }
 547                 $img_src = ($collapse ? '../images/plus.png' : '../images/minus.png');
 548                 $collapse_link = '<a href="javascript:void(0)">'." <img src=\"$img_src\" border=\"1\" id=$j onclick=\"hidechilds(this)\" style=\"cursor:hand\" /></a>";
 549              }
 550              else
 551                  $collapse_link='';
 552              echo '   ' . html_tag( 'div',
 553                             $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 554                             'left', '', 'class="mbx_par" id="' .$j. 'P"' ) . "\n";
 555              echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 556         }
 557     }
 558
 559     $visible = ($collapse ? ' style="display:none"' : ' style="display:block"');
 560     if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 561         echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 562
 563     if ($j !='ID.0000')
 564        $j = $j .'.0000';
 565     for ($i = 0; $i <count($boxes->mbxs); $i++) {
 566         $j++;
 567         ListAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 568     }
 569     if (isset($boxes->mbxs[0]) && !$boxes->is_root)
 570         echo '</div>'."\n\n";
 571 }
 572
 573
 574
 575
 576 /* -------------------- MAIN ------------------------ */
 577
 578 /* get globals */
 579 sqgetGlobalVar('username', $username, SQ_SESSION);
 580 sqgetGlobalVar('key', $key, SQ_COOKIE);
 581 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 582 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
 583
 584 sqgetGlobalVar('fold', $fold, SQ_GET);
 585 sqgetGlobalVar('unfold', $unfold, SQ_GET);
 586
 587 /* end globals */
 588
 589 // open a connection on the imap port (143)
 590 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 591
 592 /**
 593  * Using stristr since older preferences may contain "None" and "none".
 594  */
 595 if (isset($left_refresh) && ($left_refresh != '') &&
 596     !stristr($left_refresh, 'none')){
 597     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 598              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 599              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 600 } else {
 601     $xtra = '';
 602 }
 603
 604 /**
 605  * $advanced_tree and $oldway are boolean vars which are default set to default
 606  * SM behaviour.
 607  * Setting $oldway to false causes left_main.php to use the new experimental
 608  * way of getting the mailbox-tree.
 609  * Setting $advanced tree to true causes SM to display a experimental
 610  * mailbox-tree with dhtml behaviour.
 611  * It only works on browsers which supports css and javascript. The used
 612  * javascript is experimental and doesn't support all browsers.
 613  * It has been tested on IE6 an Konquerer 3.0.0-2.
 614  * It is now tested and working on: (please test and update this list)
 615  * Windows: IE 5.5 SP2, IE 6 SP1, Gecko based (Mozilla, Firebird) and Opera7
 616  * XWindow: ?
 617  * Mac: ?
 618  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 619  * setting this to true is only usefull if the images exists in ../images.
 620  *
 621  * Feel free to experiment with the code and report bugs and enhancements
 622  * to marc@its-projects.nl
 623  **/
 624
 625 /* set this to true if you want to see a nicer mailboxtree */
 626 if (! isset($advanced_tree) || $advanced_tree=="" ) {
 627          $advanced_tree=false; }
 628 /* default SM behaviour */
 629 if (! isset($oldway) || $oldway=="" ) {
 630          $oldway=false; }
 631
 632 if ($advanced_tree) {
 633 $xtra .= <<<ECHO
 634 <script language="Javascript" TYPE="text/javascript">
 635
 636 <!--
 637
 638     function preload() {
 639       if (document.images) {
 640         var treeImages = new Array;
 641         var arguments = preload.arguments;
 642         for (var i = 0; i<arguments.length; i++) {
 643           treeImages[i] = new Image();
 644           treeImages[i].src = arguments[i];
 645         }
 646       }
 647     }
 648
 649 var vTreeImg;
 650 var vTreeDiv;
 651 var vTreeSrc;
 652
 653     function fTreeTimeout() {
 654       if (vTreeDiv.readyState == "complete")
 655         vTreeImg.src = vTreeSrc;
 656       else
 657         setTimeout("fTreeTimeout()", 100);
 658     }
 659
 660     function hidechilds(img) {
 661       id = img.id + ".0000";
 662       form_id = "mbx[" + img.id +"F]";
 663       if (document.all) {       //IE, Opera7
 664         div = document.all[id];
 665         if (div) {
 666            if (div.style.display == "none") {
 667               vTreeSrc = "../images/minus.png";
 668               style = "block";
 669               value = 0;
 670            }
 671            else {
 672               vTreeSrc = "../images/plus.png";
 673               style = "none";
 674               value = 1;
 675            }
 676            vTreeImg = img;
 677            vTreeDiv = div;
 678            if (typeof vTreeDiv.readyState != "undefined")       //IE
 679               setTimeout("fTreeTimeout()",100);
 680            else //Non IE
 681               vTreeImg.src = vTreeSrc;
 682            div.style.display = style;
 683            document.all[form_id].value = value;
 684         }
 685       }
 686       else if (document.getElementById) {       //Gecko
 687         div = document.getElementById(id);
 688         if (div) {
 689            if (div.style.display == "none") {
 690               src = "../images/minus.png";
 691               style = "block";
 692               value = 0;
 693            }
 694            else {
 695               src = "../images/plus.png";
 696               style = "none";
 697               value = 1;
 698            }
 699            div.style.display = style;
 700            img.src = src;
 701            document.getElementById(form_id).value = value;
 702         }
 703       }
 704     }
 705
 706    function buttonover(el,on) {
 707       if (!on) {
 708 //         el.style.borderColor="$color[9]";}
 709          el.style.background="$color[0]";}
 710       else {
 711          el.style.background="$color[9]";}
 712    }
 713
 714    function buttonclick(el,on) {
 715       if (!on) {
 716          el.style.border="groove";}
 717       else {
 718          el.style.border="ridge";}
 719    }
 720
 721    function hideframe(hide) {
 722
 723 ECHO;
 724 $xtra .= "      left_size = \"$left_size\";\n";
 725 $xtra .= <<<ECHO
 726       if (document.all) {
 727         masterf = window.parent.document.all["fs1"];
 728     leftf = window.parent.document.all["left"];
 729     leftcontent = document.all["leftframe"];
 730     leftbutton = document.all["showf"];
 731       } else if (document.getElementById) {
 732     masterf = window.parent.document.getElementById("fs1");
 733     leftf = window.parent.document.getElementById("left");
 734     leftcontent = document.getElementById("leftframe");
 735     leftbutton = document.getElementById("showf");
 736       } else {
 737         return false;
 738       }
 739       if(hide) {
 740          new_col = calc_col("20");
 741          masterf.cols = new_col;
 742      document.body.scrollLeft=0;
 743      document.body.style.overflow='hidden';
 744      leftcontent.style.display = 'none';
 745      leftbutton.style.display='block';
 746       } else {
 747          masterf.cols = calc_col(left_size);
 748      document.body.style.overflow='';
 749      leftbutton.style.display='none';
 750      leftcontent.style.display='block';
 751
 752       }
 753    }
 754
 755    function calc_col(c_w) {
 756
 757 ECHO;
 758    if ($location_of_bar == 'right') {
 759        $xtra .= '     right=true;';
 760    } else {
 761        $xtra .= '     right=false;';
 762    }
 763    $xtra .= "\n";
 764 $xtra .= <<<ECHO
 765      if (right) {
 766          new_col = '*,'+c_w;
 767      } else {
 768          new_col = c_w+',*';
 769      }
 770      return new_col;
 771    }
 772
 773    function resizeframe(direction) {
 774      if (document.all) {
 775         masterf = window.parent.document.all["fs1"];
 776      } else if (document.getElementById) {
 777     window.parent.document.getElementById("fs1");
 778      } else {
 779         return false;
 780      }
 781
 782 ECHO;
 783    if ($location_of_bar == 'right') {
 784        $xtra .= '  colPat=/^\*,(\d+)$/;';
 785    } else {
 786        $xtra .= '  colPat=/^(\d+),.*$/;';
 787    }
 788    $xtra .= "\n";
 789
 790 $xtra .= <<<ECHO
 791      old_col = masterf.cols;
 792      colPat.exec(old_col);
 793
 794      if (direction) {
 795         new_col_width = parseInt(RegExp.$1) + 25;
 796
 797      } else {
 798         if (parseInt(RegExp.$1) > 35) {
 799            new_col_width = parseInt(RegExp.$1) - 25;
 800         }
 801      }
 802      masterf.cols = calc_col(new_col_width);
 803    }
 804
 805 //-->
 806
 807 </script>
 808
 809 ECHO;
 810
 811 /* style definitions */
 812
 813 $xtra .= <<<ECHO
 814
 815 <style type="text/css">
 816 <!--
 817   body {
 818      margin: 0px 0px 0px 0px;
 819      padding: 5px 5px 5px 5px;
 820   }
 821
 822   .button {
 823      border:outset;
 824      border-color: $color[9];
 825      background:$color[0];
 826      color:$color[6];
 827      width:99%;
 828      heigth:99%;
 829   }
 830
 831   .mbx_par {
 832      font-size:1.0em;
 833      margin-left:4px;
 834      margin-right:0px;
 835   }
 836
 837   a.mbx_link {
 838       text-decoration: none;
 839       background-color: $color[0];
 840       display: inline;
 841   }
 842
 843   a:hover.mbx_link {
 844       background-color: $color[9];
 845   }
 846
 847   a.mbx_link img {
 848       border-style: none;
 849   }
 850
 851   .mbx_sub {
 852      padding-left:5px;
 853      padding-right:0px;
 854      margin-left:4px;
 855      margin-right:0px;
 856      font-size:0.9em;
 857   }
 858
 859   .par_area {
 860      margin-top:0px;
 861      margin-left:4px;
 862      margin-right:0px;
 863      padding-left:10px;
 864      padding-bottom:5px;
 865      border-left: solid;
 866      border-left-width:0.1em;
 867      border-left-color:$color[9];
 868      border-bottom: solid;
 869      border-bottom-width:0.1em;
 870      border-bottom-color:$color[9];
 871      display: block;
 872   }
 873
 874   .mailboxes {
 875      padding-bottom:3px;
 876      margin-right:4px;
 877      padding-right:4px;
 878      margin-left:4px;
 879      padding-left:4px;
 880      border: groove;
 881      border-width:0.1em;
 882      border-color:$color[9];
 883      background: $color[0];
 884   }
 885
 886 -->
 887
 888 </style>
 889
 890 ECHO;
 891
 892 }
 893
 894
 895
 896
 897 displayHtmlHeader( 'SquirrelMail', $xtra );
 898
 899 /* If requested and not yet complete, attempt to autocreate folders. */
 900 if ($auto_create_special && !isset($auto_create_done)) {
 901     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 902     foreach( $autocreate as $folder ) {
 903         if (($folder != '') && ($folder != 'none')) {
 904             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 905                 sqimap_mailbox_create($imapConnection, $folder, '');
 906             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 907                 sqimap_subscribe($imapConnection, $folder);
 908             }
 909         }
 910     }
 911
 912     /* Let the world know that autocreation is complete! Hurrah! */
 913     $auto_create_done = TRUE;
 914     sqsession_register($auto_create_done, 'auto_create_done');
 915 }
 916
 917 if ($advanced_tree)
 918   echo "\n<body" .
 919         ' onload="preload(\'../images/minus.png\',\'../images/plus.png\')"' .
 920   " bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 921 else
 922   echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 923
 924 do_hook('left_main_before');
 925 if ($advanced_tree) {
 926    /* nice future feature, needs layout !! volunteers?   */
 927    $right_pos = $left_size - 20;
 928 /*   echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 929    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 930    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 931    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 932    echo '<div ID="leftframe"><br /><br />';*/
 933 }
 934
 935 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 936     html_tag( 'tr' ) .
 937     html_tag( 'td', '', 'left' ) .
 938     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 939
 940 if ($date_format != 6) {
 941     /* First, display the clock. */
 942     if ($hour_format == 1) {
 943         $hr = 'G:i';
 944         if ($date_format == 4) {
 945             $hr .= ':s';
 946         }
 947     } else {
 948         if ($date_format == 4) {
 949             $hr = 'g:i:s a';
 950         } else {
 951             $hr = 'g:i a';
 952         }
 953     }
 954
 955     switch( $date_format ) {
 956     case 1:
 957         $clk = date('m/d/y '.$hr, time());
 958         break;
 959     case 2:
 960         $clk = date('d/m/y '.$hr, time());
 961         break;
 962     case 4:
 963     case 5:
 964         $clk = date($hr, time());
 965         break;
 966     default:
 967         $clk = getDayAbrv( date( 'w', time() ) ) . date( ', ' . $hr, time() );
 968     }
 969     $clk = str_replace(' ','&nbsp;',$clk);
 970
 971     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 972          ": $clk</small></center>";
 973 }
 974
 975 /* Next, display the refresh button. */
 976 echo '<small>(<a href="../src/left_main.php" target="left">'.
 977      _("refresh folder list") . '</a>)</small></center><br />';
 978
 979 /* Lastly, display the folder list. */
 980 if ( $collapse_folders ) {
 981     /* If directed, collapse or uncollapse a folder. */
 982     if (isset($fold)) {
 983         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 984     } else if (isset($unfold)) {
 985         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 986     }
 987 }
 988
 989 /* Get unseen/total display prefs */
 990 $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
 991 $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
 992
 993 if (!isset($unseen_type) || empty($unseen_type)) {
 994     if (isset($default_unseen_type) && !empty($default_unseen_type)) {
 995         $unseen_type = $default_unseen_type;
 996     } else {
 997         $unseen_type = 1;
 998     }
 999 }
1000
1001 if (!isset($unseen_notify) || empty($unseen_notify)) {
1002     if (isset($default_unseen_notify) && !empty($default_unseen_notify)) {
1003         $unseen_notify = $default_unseen_notify;
1004     } else {
1005         $unseen_notify = 0;
1006     }
1007 }
1008
1009 if ($oldway) {  /* normal behaviour SM */
1010
1011 $boxes = sqimap_mailbox_list($imapConnection);
1012 /* Prepare do do out collapsedness and visibility computation. */
1013 $curbox = 0;
1014 $boxcount = count($boxes);
1015
1016 /* Compute the collapsedness and visibility of each box. */
1017
1018 while ($curbox < $boxcount) {
1019     $boxes[$curbox]['visible'] = TRUE;
1020     compute_folder_children($curbox, $boxcount);
1021 }
1022
1023 for ($i = 0; $i < count($boxes); $i++) {
1024     if ( $boxes[$i]['visible'] ) {
1025         $mailbox = $boxes[$i]['formatted'];
1026         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
1027
1028         /* Create the prefix for the folder name and link. */
1029         $prefix = str_repeat('  ',$mblevel);
1030         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
1031             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
1032                       create_collapse_link($i) . '&nbsp;';
1033         } else {
1034             $prefix = str_replace(' ','&nbsp;',$prefix);
1035         }
1036         $line = "<nobr><tt>$prefix</tt>";
1037
1038         /* Add the folder name and link. */
1039         if (! isset($color[15])) {
1040             $color[15] = $color[6];
1041         }
1042
1043         if (in_array('noselect', $boxes[$i]['flags'])) {
1044             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
1045                 $line .= "<font color=\"$color[11]\">";
1046             } else {
1047                 $line .= "<font color=\"$color[15]\">";
1048             }
1049             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
1050                 $mailbox = str_replace('&nbsp;','',$mailbox);
1051                 $line .= str_replace(' ', '&nbsp;', $mailbox);
1052             }
1053             $line .= '</font>';
1054         } else {
1055             $line .= formatMailboxName($imapConnection, $boxes[$i]);
1056         }
1057
1058         /* Put the final touches on our folder line. */
1059         $line .= "</nobr><br>\n";
1060
1061         /* Output the line for this folder. */
1062         echo $line;
1063     }
1064 }
1065 } else {  /* expiremental code */
1066     $boxes = sqimap_mailbox_tree($imapConnection);
1067     if (isset($advanced_tree) && $advanced_tree) {
1068         echo '<form name="collapse" action="left_main.php" method="post" ' .
1069              'enctype="multipart/form-data"'."\n";
1070         echo '<small>';
1071         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 />';
1072         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
1073         sqgetGlobalVar('mbx', $mbx, SQ_POST);
1074         if (!isset($mbx)) $mbx=NULL;
1075         ListAdvancedBoxes($boxes, $mbx);
1076         echo '</div>';
1077         echo '</small>';
1078         echo '</form>'."\n";
1079     } else {
1080         //sqimap_get_status_mbx_tree($imap_stream,$boxes)
1081         ListBoxes($boxes);
1082     }
1083 } /* if ($oldway) else ... */
1084 do_hook('left_main_after');
1085 sqimap_logout($imapConnection);
1086
1087 echo '</td></tr></table>' . "\n".
1088     "</div></body></html>\n";
1089
1090 ?>