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