functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.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 contains functions that display mailbox information, such as the
  10  * table row that has sender, date, subject, etc...
  11  *
  12  * $Id$
  13  */
  14
  15 require_once(SM_PATH . 'functions/strings.php');
  16 require_once(SM_PATH . 'functions/html.php');
  17 require_once(SM_PATH . 'class/html.class.php');
  18 require_once(SM_PATH . 'functions/imap_mailbox.php');
  19 require_once(SM_PATH . 'functions/imap_messages.php');
  20 require_once(SM_PATH . 'functions/mime.php');
  21
  22 /* Constants:
  23  *   PG_SEL_MAX:   default value for page_selector_max
  24  *   SUBJ_TRIM_AT: the length at which we trim off subjects
  25  */
  26 define('PG_SEL_MAX', 10);
  27 define('SUBJ_TRIM_AT', 55);
  28
  29 function elapsed($start)
  30 {
  31    $end = microtime();
  32    list($start2, $start1) = explode(" ", $start);
  33    list($end2, $end1) = explode(" ", $end);
  34   $diff1 = $end1 - $start1;
  35    $diff2 = $end2 - $start2;
  36    if( $diff2 < 0 ){
  37        $diff1 -= 1;
  38        $diff2 += 1.0;
  39   }
  40    return $diff2 + $diff1;
  41 }
  42
  43 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  44                           $start_msg, $where, $what) {
  45     global $checkall,
  46            $color, $msgs, $msort, $td_str, $msg,
  47            $default_use_priority,
  48            $message_highlight_list,
  49            $index_order,
  50            $indent_array,         /* indent subject by */
  51            $pos,                  /* Search postion (if any)  */
  52            $thread_sort_messages, /* thread sorting on/off */
  53            $server_sort_order,    /* sort value when using server-sorting */
  54            $row_count,
  55            $allow_server_sort,    /* enable/disable server-side sorting */
  56            $truncate_sender;      /* number of characters for From/To field (<= 0 for unchanged) */
  57
  58     $color_string = $color[4];
  59
  60     if ($GLOBALS['alt_index_colors']) {
  61         if (!isset($row_count)) {
  62             $row_count = 0;
  63         }
  64         $row_count++;
  65         if ($row_count % 2) {
  66             if (!isset($color[12])) {
  67                 $color[12] = '#EAEAEA';
  68             }
  69             $color_string = $color[12];
  70         }
  71     }
  72     $msg = $msgs[$key];
  73
  74     if($mailbox == 'None') {
  75         $boxes   = sqimap_mailbox_list($imapConnection);
  76         $mailbox = $boxes[0]['unformatted'];
  77         unset($boxes);
  78     }
  79     $urlMailbox = urlencode($mailbox);
  80
  81     if (handleAsSent($mailbox)) {
  82        $msg['FROM'] = $msg['TO'];
  83     }
  84     $msg['FROM'] = parseAddress($msg['FROM'],1);
  85
  86        /*
  87         * This is done in case you're looking into Sent folders,
  88         * because you can have multiple receivers.
  89         */
  90
  91     $senderNames = $msg['FROM'];
  92     $senderName  = '';
  93     $senderAddress = '';
  94     if (sizeof($senderNames)){
  95         foreach ($senderNames as $senderNames_part) {
  96             if ($senderName != '') {
  97                 $senderName .= ', ';
  98                 $senderAddress .= ', ';
  99             }
 100             $sender_address_part = htmlspecialchars($senderNames_part[0]);
 101             $sender_name_part = decodeHeader($senderNames_part[1]);
 102             if ($sender_name_part) {
 103                 $senderName .= $sender_name_part;
 104                 $senderAddress .= $sender_name_part . ' <' . $sender_address_part . '>';
 105             } else {
 106                 $senderName .= $sender_address_part;
 107                 $senderAddress .= $sender_address_part;
 108             }
 109         }
 110     }
 111     $senderName = str_replace('&nbsp;',' ',$senderName);
 112
 113     if ( $truncate_sender > 0 && strlen($senderName) > $truncate_sender ) {
 114        $senderName = substr_replace($senderName, '... ', $truncate_sender);
 115     }
 116
 117     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
 118
 119     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
 120         $flag = "<font color=\"$color[2]\">";
 121         $flag_end = '</font>';
 122     } else {
 123         $flag = '';
 124         $flag_end = '';
 125     }
 126     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
 127         $bold = '<b>';
 128         $bold_end = '</b>';
 129     } else {
 130         $bold = '';
 131         $bold_end = '';
 132     }
 133     if (handleAsSent($mailbox)) {
 134         $italic = '<i>';
 135         $italic_end = '</i>';
 136     } else {
 137         $italic = '';
 138         $italic_end = '';
 139     }
 140     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 141         $fontstr = "<font color=\"$color[9]\">";
 142         $fontstr_end = '</font>';
 143     } else {
 144         $fontstr = '';
 145         $fontstr_end = '';
 146     }
 147
 148     if ($where && $what) {
 149         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 150     } else {
 151         $searchstr = '';
 152     }
 153
 154     if (is_array($message_highlight_list) && count($message_highlight_list)) {
 155         $msg['TO'] = parseAddress($msg['TO']);
 156         $msg['CC'] = parseAddress($msg['CC']);
 157         foreach ($message_highlight_list as $message_highlight_list_part) {
 158             if (trim($message_highlight_list_part['value']) != '') {
 159                 $high_val   = strtolower($message_highlight_list_part['value']);
 160                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 161                 if($match_type == 'TO_CC') {
 162                     $match = array('TO', 'CC');
 163                 } else {
 164                     $match = array($match_type);
 165                 }
 166                 foreach($match as $match_type) {
 167                     switch($match_type) {
 168                         case('TO'):
 169                         case('CC'):
 170                         case('FROM'):
 171                             foreach ($msg[$match_type] as $address) {
 172                                 $address[0] = decodeHeader($address[0], true, false);
 173                                 $address[1] = decodeHeader($address[1], true, false);
 174                                 if (strstr('^^' . strtolower($address[0]), $high_val) ||
 175                                     strstr('^^' . strtolower($address[1]), $high_val)) {
 176                                     $hlt_color = $message_highlight_list_part['color'];
 177                                     break 4;
 178                                 }
 179                             }
 180                             break;
 181                         default:
 182                             $headertest = strtolower(decodeHeader($msg[$match_type], true, false));
 183                             if (strstr('^^' . $headertest, $high_val)) {
 184                                 $hlt_color = $message_highlight_list_part['color'];
 185                                 break 3;
 186                             }
 187                             break;
 188                     }
 189                 }
 190             }
 191         }
 192     }
 193
 194     if (!isset($hlt_color)) {
 195         $hlt_color = $color_string;
 196     }
 197     $checked = ($checkall == 1) ? ' CHECKED' : '';
 198     $col = 0;
 199     $msg['SUBJECT'] = str_replace('&nbsp;', ' ', decodeHeader($msg['SUBJECT']));
 200     $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
 201     if (sizeof($index_order)) {
 202         foreach ($index_order as $index_order_part) {
 203             switch ($index_order_part) {
 204             case 1: /* checkbox */
 205                 echo html_tag( 'td',
 206                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 207                                'center',
 208                                $hlt_color );
 209                 break;
 210             case 2: /* from */
 211                 if ($senderAddress != $senderName) {
 212                     $senderAddress = strtr($senderAddress, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
 213                     $title = ' title="' . str_replace('"', "''", $senderAddress) . '"';
 214                 }
 215                 else
 216                     $title = '';
 217                 echo html_tag( 'td',
 218                                $italic . $bold . $flag . $fontstr . $senderName .
 219                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 220                                'left',
 221                                $hlt_color, $title );
 222                 break;
 223             case 3: /* date */
 224                 $date_string = $msg['DATE_STRING'] . '';
 225                 if ($date_string == '') {
 226                     $date_string = _("Unknown date");
 227                 }
 228                 echo html_tag( 'td',
 229                                $bold . $flag . $fontstr . $date_string .
 230                                $fontstr_end . $flag_end . $bold_end,
 231                                'center',
 232                                $hlt_color,
 233                                'nowrap' );
 234                 break;
 235             case 4: /* subject */
 236                 $td_str = $bold;
 237                 if ($thread_sort_messages == 1) {
 238                     if (isset($indent_array[$msg['ID']])) {
 239                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 240                     }
 241                 }
 242                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 243                         .  '&amp;passed_id='. $msg["ID"]
 244                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 245                 $td_str .= ' ' .concat_hook_function('subject_link', array($start_msg, $searchstr));
 246                 if ($subject != $msg['SUBJECT']) {
 247                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 248                     $title = array_flip($title);
 249                     $title = strtr($msg['SUBJECT'], $title);
 250                     $title = str_replace('"', "''", $title);
 251                     $td_str .= " title=\"$title\"";
 252                 }
 253                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 254                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 255                 break;
 256             case 5: /* flags */
 257                 $stuff = false;
 258                 $td_str = "<b><small>";
 259
 260                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 261                     $td_str .= _("A");
 262                     $stuff = true;
 263                 }
 264                 if ($msg['TYPE0'] == 'multipart') {
 265                     $td_str .= '+';
 266                     $stuff = true;
 267                 }
 268                 if ($default_use_priority) {
 269                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 270                         $td_str .= "<font color=\"$color[1]\">!</font>";
 271                         $stuff = true;
 272                     }
 273                     if ($msg['PRIORITY'] == 5) {
 274                         $td_str .= "<font color=\"$color[8]\">?</font>";
 275                         $stuff = true;
 276                     }
 277                 }
 278                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 279                     $td_str .= "<font color=\"$color[1]\">D</font>";
 280                     $stuff = true;
 281                 }
 282                 if (!$stuff) {
 283                     $td_str .= '&nbsp;';
 284                 }
 285                 do_hook("msg_envelope");
 286                 $td_str .= '</small></b>';
 287                 echo html_tag( 'td',
 288                                $td_str,
 289                                'center',
 290                                $hlt_color,
 291                                'nowrap' );
 292                 break;
 293             case 6: /* size */
 294                 echo html_tag( 'td',
 295                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 296                                $fontstr_end . $bold_end,
 297                                'right',
 298                                $hlt_color );
 299                 break;
 300             }
 301             ++$col;
 302         }
 303     }
 304     if ($not_last) {
 305         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 306              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 307     } else {
 308         echo '</tr>'."\n";
 309     }
 310 }
 311
 312 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 313     if ($id != 'no') {
 314         $id = array_slice($id, ($start_msg-1), $show_num);
 315         $end = $start_msg + $show_num - 1;
 316         if ($num_msgs < $show_num) {
 317             $end_loop = $num_msgs;
 318         } else if ($end > $num_msgs) {
 319             $end_loop = $num_msgs - $start_msg + 1;
 320         } else {
 321             $end_loop = $show_num;
 322         }
 323         return fillMessageArray($imapConnection,$id,$end_loop,$show_num);
 324     } else {
 325         return false;
 326     }
 327 }
 328
 329 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 330     $id = get_thread_sort($imapConnection);
 331     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 332 }
 333
 334 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 335                                $num_msgs, $server_sort_order, $mbxresponse) {
 336     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 337     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 338 }
 339
 340 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 341                               $num_msgs, $sort, $mbxresponse) {
 342     $msgs = array();
 343     if ($num_msgs >= 1) {
 344         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 345         if ($sort < 6 ) {
 346             $end = $num_msgs;
 347             $end_loop = $end;
 348             /* set shownum to 999999 to fool sqimap_get_small_header_list
 349                and rebuild the msgs_str to 1:* */
 350             $show_num = 999999;
 351         } else {
 352             /* if it's not sorted */
 353             if ($start_msg + ($show_num - 1) < $num_msgs) {
 354                 $end_msg = $start_msg + ($show_num - 1);
 355             } else {
 356                 $end_msg = $num_msgs;
 357             }
 358             if ($end_msg < $start_msg) {
 359                 $start_msg = $start_msg - $show_num;
 360                 if ($start_msg < 1) {
 361                     $start_msg = 1;
 362                 }
 363             }
 364             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 365             $end = $start_msg + $show_num - 1;
 366             if ($num_msgs < $show_num) {
 367                 $end_loop = $num_msgs;
 368             } else if ($end > $num_msgs) {
 369                 $end_loop = $num_msgs - $start_msg + 1;
 370             } else {
 371                 $end_loop = $show_num;
 372             }
 373         }
 374         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 375     }
 376     return $msgs;
 377 }
 378
 379
 380
 381 /*
 382  * This function loops through a group of messages in the mailbox
 383  * and shows them to the user.
 384  */
 385 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 386                                 $start_msg, $sort, $color, $show_num,
 387                                 $use_cache, $mode='') {
 388     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 389            $allow_server_sort, $server_sort_order;
 390
 391     /*
 392      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 393      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 394      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 395      */
 396
 397     if (!isset($msort)) {
 398         $msort = array();
 399     }
 400
 401     if (!isset($msgs)) {
 402         $msgs = array();
 403     }
 404
 405     //$start = microtime();
 406     /* If autoexpunge is turned on, then do it now. */
 407     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 408     $srt = $sort;
 409     /* If autoexpunge is turned on, then do it now. */
 410     if ($auto_expunge == true) {
 411         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 412         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 413         $num_msgs = $mbxresponse['EXISTS'];
 414     }
 415
 416     if ($mbxresponse['EXISTS'] > 0) {
 417         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 418          * in the last page. We need to re-adjust the start_msg
 419          */
 420
 421         if($start_msg > $num_msgs) {
 422             $start_msg -= $show_num;
 423             if($start_msg < 1) {
 424                 $start_msg = 1;
 425             }
 426         }
 427
 428         /* This code and the next if() block check for
 429          * server-side sorting methods. The $id array is
 430          * formatted and $sort is set to 6 to disable
 431          * SM internal sorting
 432          */
 433
 434         if ($thread_sort_messages == 1) {
 435             $mode = 'thread';
 436         } elseif ($allow_server_sort == 1) {
 437             $mode = 'serversort';
 438         } else {
 439             $mode = '';
 440         }
 441
 442         if ($use_cache) {
 443             sqgetGlobalVar('msgs', $msgs, SQ_SESSION);
 444             sqgetGlobalVar('msort', $msort, SQ_SESSION);
 445         } else {
 446             sqsession_unregister('msort');
 447             sqsession_unregister('msgs');       }
 448         switch ($mode) {
 449             case 'thread':
 450                 $id   = get_thread_sort($imapConnection);
 451                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 452                 if ($msgs === false) {
 453                     echo '<b><small><center><font color=red>' .
 454                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 455                          '</center></small></b>';
 456                     $thread_sort_messages = 0;
 457                     $msort = $msgs = array();
 458                 } else {
 459                     $msort= $msgs;
 460                     $sort = 6;
 461                 }
 462                 break;
 463             case 'serversort':
 464                 $id   = sqimap_get_sort_order($imapConnection, $sort, $mbxresponse);
 465                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 466                 if ($msgs === false) {
 467                     echo '<b><small><center><font color=red>' .
 468                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 469                          '</center></small></b>';
 470                     $sort = $server_sort_order;
 471                     $allow_server_sort = FALSE;
 472                     $msort = $msgs = array();
 473                     $id = array();
 474                 } else {
 475                     $msort = $msgs;
 476                     $sort = 6;
 477                 }
 478                 break;
 479             default:
 480                 if (!$use_cache) {
 481                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 482                                                 $num_msgs, $sort, $mbxresponse);
 483                     $msort = calc_msort($msgs, $sort);
 484                 } /* !use cache */
 485                 break;
 486         } // switch
 487         sqsession_register($msort, 'msort');
 488         sqsession_register($msgs,  'msgs');
 489
 490     } /* if exists > 0 */
 491
 492     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 493     $start_msg = $res[0];
 494     $end_msg   = $res[1];
 495
 496     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 497                                        $num_msgs, $show_num, $sort);
 498
 499     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 500
 501     do_hook('mailbox_index_before');
 502     echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
 503     echo '<tr><td>';
 504
 505     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 506                                   $msg_cnt_str, $paginator_str, $start_msg);
 507     echo '</td></tr>';
 508     /* line between the button area and the list */
 509     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 510
 511     echo '<tr><td>';
 512     echo '    <table width="100%" cellpadding="1" cellspacing="0" align="center"'.' border="0" bgcolor="'.$color[9].'">';
 513     echo '     <tr><td>';
 514     echo '       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="'.$color[5].'">';
 515     echo '<tr><td>';
 516     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 517
 518     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 519                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 520     echo '</td></tr></table></td></tr></table>';
 521
 522     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 523     echo '</td></tr></table>';
 524     //$t = elapsed($start);
 525     //echo("elapsed time = $t seconds\n");
 526 }
 527
 528 function calc_msort($msgs, $sort) {
 529
 530     /*
 531      * 0 = Date (up)
 532      * 1 = Date (dn)
 533      * 2 = Name (up)
 534      * 3 = Name (dn)
 535      * 4 = Subject (up)
 536      * 5 = Subject (dn)
 537      */
 538
 539     if (($sort == 0) || ($sort == 1)) {
 540         foreach ($msgs as $item) {
 541             $msort[] = $item['TIME_STAMP'];
 542         }
 543     } elseif (($sort == 2) || ($sort == 3)) {
 544         foreach ($msgs as $item) {
 545             $msort[] = $item['FROM-SORT'];
 546         }
 547     } elseif (($sort == 4) || ($sort == 5)) {
 548         foreach ($msgs as $item) {
 549             $msort[] = $item['SUBJECT-SORT'];
 550         }
 551     } else {
 552         $msort = $msgs;
 553     }
 554     if ($sort < 6) {
 555         if ($sort % 2) {
 556             asort($msort);
 557         } else {
 558             arsort($msort);
 559         }
 560     }
 561     return $msort;
 562 }
 563
 564 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 565     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 566 }
 567
 568
 569 /* Generic function to convert the msgs array into an HTML table. */
 570 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 571                              $msort, $mailbox, $sort, $color,
 572                              $show_num, $where=0, $what=0) {
 573     global $imapServerAddress, $use_mailbox_cache, $index_order,
 574            $indent_array, $thread_sort_messages, $allow_server_sort,
 575            $server_sort_order, $PHP_SELF;
 576
 577     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 578     $start_msg = $res[0];
 579     $end_msg   = $res[1];
 580
 581     $urlMailbox = urlencode($mailbox);
 582
 583     /* get indent level for subject display */
 584     if ($thread_sort_messages == 1 && $num_msgs) {
 585         $indent_array = get_parent_level($imapConnection);
 586     }
 587
 588     $real_startMessage = $start_msg;
 589     if ($sort == 6) {
 590         if ($end_msg - $start_msg < $show_num - 1) {
 591             $end_msg = $end_msg - $start_msg + 1;
 592             $start_msg = 1;
 593         } else if ($start_msg > $show_num) {
 594             $end_msg = $show_num;
 595             $start_msg = 1;
 596         }
 597     }
 598     $endVar = $end_msg + 1;
 599
 600     /*
 601      * Loop through and display the info for each message.
 602      * ($t is used for the checkbox number)
 603      */
 604     $t = 0;
 605
 606     /* messages display */
 607
 608     if (!$num_msgs) {
 609     /* if there's no messages in this folder */
 610         echo html_tag( 'tr',
 611                 html_tag( 'td',
 612                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 613                           'center',
 614                           $color[4],
 615                           'COLSPAN="' . count($index_order) . '"'
 616                 )
 617         );
 618     } elseif ($start_msg == $end_msg) {
 619     /* if there's only one message in the box, handle it differently. */
 620         if ($sort != 6) {
 621             $i = $start_msg;
 622         } else {
 623             $i = 1;
 624         }
 625         reset($msort);
 626         $k = 0;
 627         do {
 628             $key = key($msort);
 629             next($msort);
 630             $k++;
 631         } while (isset ($key) && ($k < $i));
 632         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 633                          $real_startMessage, $where, $what);
 634     } else {
 635         $i = $start_msg;
 636         reset($msort);
 637         $k = 0;
 638         do {
 639             $key = key($msort);
 640             next($msort);
 641             $k++;
 642         } while (isset ($key) && ($k < $i));
 643         $not_last = true;
 644         do {
 645             if (!$i || $i == $endVar-1) $not_last = false;
 646                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 647                                  $real_startMessage, $where, $what);
 648             $key = key($msort);
 649             $t++;
 650             $i++;
 651             next($msort);
 652         } while ($i && $i < $endVar);
 653     }
 654 }
 655
 656 /*
 657  * Displays the standard message list header. To finish the table,
 658  * you need to do a "</table></table>";
 659  *
 660  * $moveURL is the URL to submit the delete/move form to
 661  * $mailbox is the current mailbox
 662  * $sort is the current sorting method (-1 for no sorting available [searches])
 663  * $Message is a message that is centered on top of the list
 664  * $More is a second line that is left aligned
 665  */
 666
 667 function mail_message_listing_beginning ($imapConnection,
 668                                          $mailbox = '', $sort = -1,
 669                                          $msg_cnt_str = '',
 670                                          $paginator = '&nbsp;',
 671                                          $start_msg = 1) {
 672     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 673            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 674            $PHP_SELF;
 675
 676     $php_self = $PHP_SELF;
 677     /* fix for incorrect $PHP_SELF */
 678     if (strpos($php_self, 'move_messages.php')) {
 679         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 680     }
 681     $urlMailbox = urlencode($mailbox);
 682
 683     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 684         $source_url = $regs[1];
 685     } else {
 686         $source_url = $php_self;
 687     }
 688
 689     if (!isset($msg)) {
 690         $msg = '';
 691     }
 692     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 693                   '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 694                   '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">';
 695
 696 //    $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 697 //             . "&amp;startMessage=$start_msg";
 698     /*
 699      * This is the beginning of the message list table.
 700      * It wraps around all messages
 701      */
 702     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 703     $form_name = "FormMsgs" . $safe_name;
 704     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 705         . $moveFields
 706         . html_tag( 'table' ,
 707             html_tag( 'tr',
 708                 html_tag( 'td' ,
 709                     html_tag( 'table' ,
 710                         html_tag( 'tr',
 711                             html_tag( 'td', $paginator, 'left' ) .
 712                             html_tag( 'td', $msg_cnt_str, 'right' )
 713                         )
 714                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 715                 , 'left', '', '' )
 716             , '', $color[0] )
 717             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 718         /* line between header and button area */
 719         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 720
 721         echo '<tr><td>';
 722         echo html_tag( 'tr' ) . "\n"
 723         . html_tag( 'td' ,'' , 'left', '', '' )
 724          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 725           . '<tr><td>'
 726            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 727             . html_tag( 'tr',
 728                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 729                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 730             )
 731             . html_tag( 'tr' ) ."\n"
 732             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 733             getMbxList($imapConnection);
 734             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 735             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 736
 737   echo "      </TD>\n"
 738          . html_tag( 'td', '', 'right', '', 'nowrap' );
 739
 740
 741
 742     if (!$auto_expunge) {
 743         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 744              .'&nbsp;' . _("mailbox") . "\n";
 745     }
 746     do_hook('mailbox_display_buttons');
 747     echo getButton('SUBMIT', 'markRead',_("Read"));
 748     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 749     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp;\n";
 750     if (!strpos($php_self,'mailbox')) {
 751         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 752     } else {
 753         $location = $php_self;
 754     }
 755     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 756     echo "</TD>\n"
 757          . "   </TR>\n";
 758
 759     /* draws thread sorting links */
 760     if ($allow_thread_sort == TRUE) {
 761         if ($thread_sort_messages == 1 ) {
 762             $set_thread = 2;
 763             $thread_name = _("Unthread View");
 764         } elseif ($thread_sort_messages == 0) {
 765             $set_thread = 1;
 766             $thread_name = _("Thread View");
 767         }
 768         echo html_tag( 'tr' ,
 769                     html_tag( 'td' ,
 770                               '&nbsp;<a href=' . $source_url . '?sort='
 771                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 772                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 773                               . '</a></small>&nbsp;'
 774                      , '', '', '' ) . html_tag( 'td', _("Bypass Trash") . '<input type="checkbox" name="bypass_trash">','right','','')
 775
 776                  , '', '', '' );
 777     }
 778
 779     echo "</TABLE></td></tr></table></td></tr>\n";
 780
 781     do_hook('mailbox_form_before');
 782
 783     /* if using server sort we highjack the
 784      * the $sort var and use $server_sort_order
 785      * instead. but here we reset sort for a bit
 786      * since its easy
 787      */
 788     if ($allow_server_sort == TRUE) {
 789         $sort = $server_sort_order;
 790     }
 791 }
 792
 793 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 794   if ($num_msgs) {
 795     /* space between list and footer */
 796     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 797
 798     echo '</td></tr><tr><td>';
 799     echo html_tag( 'table',
 800             html_tag( 'tr',
 801                 html_tag( 'td',
 802                     html_tag( 'table',
 803                         html_tag( 'tr',
 804                             html_tag( 'td', $paginator_str ) .
 805                             html_tag( 'td', $msg_cnt_str, 'right' )
 806                         )
 807                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 808                 )
 809             )
 810         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 811     echo '</td></tr>';
 812   }
 813     /* End of message-list table */
 814
 815     do_hook('mailbox_index_after');
 816     echo "</FORM>\n";
 817 }
 818
 819 function printHeader($mailbox, $sort, $color, $showsort=true) {
 820     global $index_order;
 821     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 822
 823     /* calculate the width of the subject column based on the
 824      * widths of the other columns */
 825     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 826     $subjectwidth = 100;
 827     foreach($index_order as $item) {
 828         $subjectwidth -= $widths[$item];
 829     }
 830
 831     foreach ($index_order as $item) {
 832         switch ($item) {
 833         case 1: /* checkbox */
 834         case 5: /* flags */
 835             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 836             break;
 837         case 2: /* from */
 838             if (handleAsSent($mailbox)) {
 839                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 840                      . '<b>' . _("To") . '</b>';
 841             } else {
 842                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 843                      . '<b>' . _("From") . '</b>';
 844             }
 845             if ($showsort) {
 846                 ShowSortButton($sort, $mailbox, 2, 3);
 847             }
 848             echo "</td>\n";
 849             break;
 850         case 3: /* date */
 851             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 852                  . '<b>' . _("Date") . '</b>';
 853             if ($showsort) {
 854                 ShowSortButton($sort, $mailbox, 0, 1);
 855             }
 856             echo "</td>\n";
 857             break;
 858         case 4: /* subject */
 859             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 860                  . '<b>' . _("Subject") . '</b>';
 861             if ($showsort) {
 862                 ShowSortButton($sort, $mailbox, 4, 5);
 863             }
 864             echo "</td>\n";
 865             break;
 866         case 6: /* size */
 867             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 868             break;
 869         }
 870     }
 871     echo "</tr>\n";
 872 }
 873
 874
 875 /*
 876  * This function shows the sort button. Isn't this a good comment?
 877  */
 878 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 879     global $PHP_SELF;
 880     /* Figure out which image we want to use. */
 881     if ($sort != $Up && $sort != $Down) {
 882         $img = 'sort_none.png';
 883         $which = $Up;
 884     } elseif ($sort == $Up) {
 885         $img = 'up_pointer.png';
 886         $which = $Down;
 887     } else {
 888         $img = 'down_pointer.png';
 889         $which = 6;
 890     }
 891
 892     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 893         $source_url = $regs[1];
 894     } else {
 895         $source_url = $PHP_SELF;
 896     }
 897
 898     /* Now that we have everything figured out, show the actual button. */
 899     echo ' <a href="' . $source_url .'?newsort=' . $which
 900          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 901          . '"><img src="../images/' . $img
 902          . '" border="0" width="12" height="10" alt="sort" title="'
 903          . _("Click here to change the sorting of the message list") .'"></a>';
 904 }
 905
 906 function get_selectall_link($start_msg, $sort) {
 907     global $checkall, $what, $where, $mailbox, $javascript_on;
 908     global $PHP_SELF, $PG_SHOWNUM;
 909
 910     $result = '';
 911     if ($javascript_on) {
 912         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 913         $func_name = "CheckAll" . $safe_name;
 914         $form_name = "FormMsgs" . $safe_name;
 915         $result = '<script language="JavaScript" type="text/javascript">'
 916                 . "\n<!-- \n"
 917                 . "function " . $func_name . "() {\n"
 918                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
 919                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
 920                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
 921                 . "      document." . $form_name . ".elements[i].checked = "
 922                 . "        !(document." . $form_name . ".elements[i].checked);\n"
 923                 . "    }\n"
 924                 . "  }\n"
 925                 . "}\n"
 926                 . "//-->\n"
 927                 . '</script><a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
 928 /*                . '</script><a href="javascript:' . $func_name . '()">' . _("Toggle All")*/
 929                 . "</a>\n";
 930     } else {
 931         if (strpos($PHP_SELF, "?")) {
 932             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 933                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 934         } else {
 935             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 936                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 937         }
 938         if (isset($checkall) && $checkall == '1') {
 939             $result .= '0';
 940         } else {
 941             $result .= '1';
 942         }
 943
 944         if (isset($where) && isset($what)) {
 945             $result .= '&amp;where=' . urlencode($where)
 946                     .  '&amp;what=' . urlencode($what);
 947         }
 948         $result .= "\">";
 949
 950         if (isset($checkall) && ($checkall == '1')) {
 951             $result .= _("Unselect All");
 952         } else {
 953             $result .= _("Select All");
 954         }
 955         $result .= "</A>\n";
 956     }
 957
 958     /* Return our final result. */
 959     return ($result);
 960 }
 961
 962 /*
 963  * This function computes the "Viewing Messages..." string.
 964  */
 965 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 966     /* Compute the $msg_cnt_str. */
 967     $result = '';
 968     if ($start_msg < $end_msg) {
 969         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 970                           $start_msg, $end_msg, $num_msgs);
 971     } else if ($start_msg == $end_msg) {
 972         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 973     } else {
 974         $result = '<br>';
 975     }
 976     /* Return our result string. */
 977     return ($result);
 978 }
 979
 980 /*
 981  * Generate a paginator link.
 982  */
 983 function get_paginator_link($box, $start_msg, $use, $text) {
 984     global $PHP_SELF;
 985
 986     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 987             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 988             . "TARGET=\"right\">$text</A>";
 989     return ($result);
 990 /*
 991     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 992         $source_url = $regs[1];
 993     } else {
 994         $source_url = $PHP_SELF;
 995     }
 996
 997     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 998             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 999             . "TARGET=\"right\">$text</A>";
1000     return ($result);
1001 */
1002 }
1003
1004 /*
1005  * This function computes the paginator string.
1006  */
1007 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1008                            $show_num, $sort) {
1009     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1010
1011     /* Initialize paginator string chunks. */
1012     $prv_str = '';
1013     $nxt_str = '';
1014     $pg_str  = '';
1015     $all_str = '';
1016     $tgl_str = '';
1017
1018     $box = urlencode($box);
1019
1020     /* Create simple strings that will be creating the paginator. */
1021     $spc = '&nbsp;';     /* This will be used as a space. */
1022     $sep = '|';          /* This will be used as a seperator. */
1023
1024     /* Get some paginator preference values. */
1025     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1026     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1027
1028     /* Make sure that our start message number is not too big. */
1029     $start_msg = min($start_msg, $num_msgs);
1030
1031     /* Decide whether or not we will use the mailbox cache. */
1032     /* Not sure why $use_mailbox_cache is even passed in.   */
1033     if ($sort == 6) {
1034         $use = 0;
1035     } else {
1036         $use = 1;
1037     }
1038
1039     /* Compute the starting message of the previous and next page group. */
1040     $next_grp = $start_msg + $show_num;
1041     $prev_grp = $start_msg - $show_num;
1042
1043     /* Compute the basic previous and next strings. */
1044     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1045         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1046         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1047     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1048         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1049         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1050     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1051         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1052         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1053     }
1054
1055     /* Page selector block. Following code computes page links. */
1056     if ($pg_sel && ($num_msgs > $show_num)) {
1057         /* Most importantly, what is the current page!!! */
1058         $cur_pg = intval($start_msg / $show_num) + 1;
1059
1060         /* Compute total # of pages and # of paginator page links. */
1061         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1062         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1063
1064         /* Compute the size of the four quarters of the page links. */
1065
1066         /* If we can, just show all the pages. */
1067         if (($tot_pgs - 1) <= $pg_max) {
1068             $q1_pgs = $cur_pg - 1;
1069             $q2_pgs = $q3_pgs = 0;
1070             $q4_pgs = $tot_pgs - $cur_pg;
1071
1072         /* Otherwise, compute some magic to choose the four quarters. */
1073         } else {
1074             /*
1075              * Compute the magic base values. Added together,
1076              * these values will always equal to the $pag_pgs.
1077              * NOTE: These are DEFAULT values and do not take
1078              * the current page into account. That is below.
1079              */
1080             $q1_pgs = floor($vis_pgs/4);
1081             $q2_pgs = round($vis_pgs/4, 0);
1082             $q3_pgs = ceil($vis_pgs/4);
1083             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1084
1085             /* Adjust if the first quarter contains the current page. */
1086             if (($cur_pg - $q1_pgs) < 1) {
1087                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1088                 $q1_pgs = $cur_pg - 1;
1089                 $q2_pgs = 0;
1090                 $q3_pgs += ceil($extra_pgs / 2);
1091                 $q4_pgs += floor($extra_pgs / 2);
1092
1093             /* Adjust if the first and second quarters intersect. */
1094             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1095                 $extra_pgs = $q2_pgs;
1096                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1097                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1098                 $q3_pgs += ceil($extra_pgs / 2);
1099                 $q4_pgs += floor($extra_pgs / 2);
1100
1101             /* Adjust if the fourth quarter contains the current page. */
1102             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1103                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1104                 $q3_pgs = 0;
1105                 $q4_pgs = $tot_pgs - $cur_pg;
1106                 $q1_pgs += floor($extra_pgs / 2);
1107                 $q2_pgs += ceil($extra_pgs / 2);
1108
1109             /* Adjust if the third and fourth quarter intersect. */
1110             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1111                 $extra_pgs = $q3_pgs;
1112                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1113                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1114                 $q1_pgs += floor($extra_pgs / 2);
1115                 $q2_pgs += ceil($extra_pgs / 2);
1116             }
1117         }
1118
1119         /*
1120          * I am leaving this debug code here, commented out, because
1121          * it is a really nice way to see what the above code is doing.
1122          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1123          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1124          */
1125
1126         /* Print out the page links from the compute page quarters. */
1127
1128         /* Start with the first quarter. */
1129         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1130             $pg_str .= "...$spc";
1131         } else {
1132             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1133                 $start = (($pg-1) * $show_num) + 1;
1134                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1135             }
1136             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1137                 $pg_str .= "...$spc";
1138             }
1139         }
1140
1141         /* Continue with the second quarter. */
1142         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1143             $start = (($pg-1) * $show_num) + 1;
1144             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1145         }
1146
1147         /* Now print the current page. */
1148         $pg_str .= $cur_pg . $spc;
1149
1150         /* Next comes the third quarter. */
1151         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1152             $start = (($pg-1) * $show_num) + 1;
1153             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1154         }
1155
1156         /* And last, print the forth quarter page links. */
1157         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1158             $pg_str .= "...$spc";
1159         } else {
1160             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1161                 $pg_str .= "...$spc";
1162             }
1163             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1164                 $start = (($pg-1) * $show_num) + 1;
1165                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1166             }
1167         }
1168     } else if ($PG_SHOWNUM == 999999) {
1169         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1170                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1171                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1172     }
1173
1174     /* If necessary, compute the 'show all' string. */
1175     if (($prv_str != '') || ($nxt_str != '')) {
1176         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1177                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1178                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1179     }
1180
1181     /* Last but not least, get the value for the toggle all link. */
1182     $tgl_str = get_selectall_link($start_msg, $sort);
1183
1184     /* Put all the pieces of the paginator string together. */
1185     /**
1186      * Hairy code... But let's leave it like it is since I am not certain
1187      * a different approach would be any easier to read. ;)
1188      */
1189     $result = '';
1190     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1191     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1192     $result .= ($pg_str  != '' ? $pg_str : '');
1193     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1194     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1195
1196     /* If the resulting string is blank, return a non-breaking space. */
1197     if ($result == '') {
1198         $result = '&nbsp;';
1199     }
1200
1201     /* Return our final magical paginator string. */
1202     return ($result);
1203 }
1204
1205 function processSubject($subject, $threadlevel = 0) {
1206     global $languages, $squirrelmail_language;
1207     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1208     if ($subject == '') {
1209         return _("(no subject)");
1210     }
1211
1212     $trim_at = SUBJ_TRIM_AT;
1213
1214     /* if this is threaded, subtract two chars per indentlevel */
1215     if($threadlevel > 0 && $threadlevel <= 10) {
1216         $trim_at -= (2*$threadlevel);
1217     }
1218
1219     if (strlen($subject) <= $trim_at) {
1220         return $subject;
1221     }
1222
1223     $ent_strlen = $orig_len = strlen($subject);
1224     $trim_val = $trim_at - 5;
1225     $ent_offset = 0;
1226     /*
1227      * see if this is entities-encoded string
1228      * If so, Iterate through the whole string, find out
1229      * the real number of characters, and if more
1230      * than 55, substr with an updated trim value.
1231      */
1232     $step = $ent_loc = 0;
1233     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1234             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1235         $trim_val += ($ent_loc_end-$ent_loc);
1236         $ent_offset  = $ent_loc_end+1;
1237         ++$step;
1238     }
1239
1240     if (($trim_val > 50) && (strlen($subject) > ($trim_val))&& (strpos($subject,';',$trim_val) < ($trim_val +6))) {
1241         $i = strpos($subject,';',$trim_val);
1242         if ($i) {
1243             $trim_val = strpos($subject,';',$trim_val);
1244         }
1245     }
1246     if ($ent_strlen <= $trim_at){
1247         return $subject;
1248     }
1249
1250     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1251         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1252         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1253     }
1254
1255     // only print '...' when we're actually dropping part of the subject
1256     if(strlen($subject) <= $trim_val) {
1257         return $subject;
1258     } else {
1259         return substr($subject, 0, $trim_val) . '...';
1260     }
1261 }
1262
1263 function getMbxList($imapConnection, $boxes = 0) {
1264     global $lastTargetMailbox;
1265     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1266     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes);
1267     echo '         </SELECT></TT>&nbsp;';
1268 }
1269
1270 function getButton($type, $name, $value) {
1271     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1272 }
1273
1274 function getSmallStringCell($string, $align) {
1275     return html_tag('td',
1276                     '<small>' . $string . ':&nbsp; </small>',
1277                     $align,
1278                     '',
1279                     'nowrap' );
1280 }
1281
1282 function getEndMessage($start_msg, $show_num, $num_msgs) {
1283     if ($start_msg + ($show_num - 1) < $num_msgs){
1284         $end_msg = $start_msg + ($show_num - 1);
1285     } else {
1286         $end_msg = $num_msgs;
1287     }
1288
1289     if ($end_msg < $start_msg) {
1290         $start_msg = $start_msg - $show_num;
1291         if ($start_msg < 1) {
1292             $start_msg = 1;
1293         }
1294     }
1295     return (array($start_msg,$end_msg));
1296 }
1297
1298 function handleAsSent($mailbox) {
1299     global $handleAsSent_result;
1300
1301     /* First check if this is the sent or draft folder. */
1302     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1303
1304     /* Then check the result of the handleAsSent hook. */
1305     do_hook('check_handleAsSent_result', $mailbox);
1306
1307     /* And return the result. */
1308     return $handleAsSent_result;
1309 }
1310
1311 ?>