functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.php
   5  *
   6  * Copyright (c) 1999-2002 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 printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
  24                           $start_msg, $where, $what) {
  25     global $checkall,
  26            $color, $msgs, $msort,
  27            $default_use_priority,
  28            $message_highlight_list,
  29            $index_order,
  30            $indent_array,   /* indent subject by */
  31            $pos,            /* Search postion (if any)  */
  32            $thread_sort_messages, /* thread sorting on/off */
  33            $server_sort_order, /* sort value when using server-sorting */
  34            $row_count,
  35            $allow_server_sort; /* enable/disable server-side sorting */
  36     $color_string = $color[4];
  37
  38     if ($GLOBALS['alt_index_colors']) {
  39         if (!isset($row_count)) {
  40             $row_count = 0;
  41         }
  42         $row_count++;
  43         if ($row_count % 2) {
  44             if (!isset($color[12])) {
  45                 $color[12] = '#EAEAEA';
  46             }
  47             $color_string = $color[12];
  48         }
  49     }
  50     $msg = $msgs[$key];
  51
  52     if($mailbox == 'None') {
  53         $boxes   = sqimap_mailbox_list($imapConnection);
  54         $mailbox = $boxes[0]['unformatted'];
  55         unset($boxes);
  56     }
  57     $urlMailbox = urlencode($mailbox);
  58
  59     if (handleAsSent($mailbox)) {
  60        $msg['FROM'] = $msg['TO'];
  61        /*
  62         * This is done in case you're looking into Sent folders,
  63         * because you can have multiple receivers.
  64         */
  65        $senderNames = explode(',', $msg['FROM']);
  66        $senderName  = '';
  67        if (sizeof($senderNames)){
  68           foreach ($senderNames as $senderNames_part) {
  69             if ($senderName != '') {
  70                 $senderName .= ', ';
  71             }
  72             $senderName .= sqimap_find_displayable_name($senderNames_part);
  73           }
  74        }
  75     } else {
  76        $senderName = sqimap_find_displayable_name($msg['FROM']);
  77     }
  78
  79     $subject = processSubject($msg['SUBJECT']);
  80
  81     echo html_tag( 'tr' ) . "\n";
  82
  83     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  84         $flag = "<font color=\"$color[2]\">";
  85         $flag_end = '</font>';
  86     } else {
  87         $flag = '';
  88         $flag_end = '';
  89     }
  90     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  91         $bold = '<b>';
  92         $bold_end = '</b>';
  93     } else {
  94         $bold = '';
  95         $bold_end = '';
  96     }
  97     if (handleAsSent($mailbox)) {
  98         $italic = '<i>';
  99         $italic_end = '</i>';
 100     } else {
 101         $italic = '';
 102         $italic_end = '';
 103     }
 104     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 105         $fontstr = "<font color=\"$color[9]\">";
 106         $fontstr_end = '</font>';
 107     } else {
 108         $fontstr = '';
 109         $fontstr_end = '';
 110     }
 111
 112     if ($where && $what) {
 113         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 114     } else {
 115         $searchstr = '';
 116     }
 117     /**
 118     * AAAAH! Make my eyes stop bleeding!
 119     * Who wrote this?!
 120     */
 121     if (sizeof($message_highlight_list)){
 122         foreach ($message_highlight_list as $message_highlight_list_part) {
 123             if (trim($message_highlight_list_part['value']) != '') {
 124                 if ($message_highlight_list_part['match_type'] == 'to_cc') {
 125                     if (strstr('^^' . strtolower($msg['TO']),
 126                                strtolower($message_highlight_list_part['value']))
 127                         || strstr('^^'.strtolower($msg['CC']),
 128                                   strtolower($message_highlight_list_part['value']))) {
 129                         $hlt_color = $message_highlight_list_part['color'];
 130                         continue;
 131                     }
 132                 } else {
 133                     if (strstr('^^' . strtolower($msg[strtoupper($message_highlight_list_part['match_type'])]),
 134                                strtolower($message_highlight_list_part['value']))) {
 135                         $hlt_color = $message_highlight_list_part['color'];
 136                         continue;
 137                     }
 138                 }
 139             }
 140         }
 141     }
 142
 143     if (!isset($hlt_color)) {
 144         $hlt_color = $color_string;
 145     }
 146
 147     $checked = ($checkall == 1) ? ' checked' : '';
 148     $row = new html();
 149     $row->tag = 'tr';
 150     $row->class = 'm_r';
 151     $row->id = 'mr'.$t;
 152
 153     $col = 0;
 154     if (sizeof($index_order)) {
 155         foreach ($index_order as $index_order_part) {
 156             switch ($index_order_part) {
 157             case 1: /* checkbox */
 158                 echo html_tag( 'td',
 159                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 160                                'center',
 161                                $hlt_color );
 162                 break;
 163             case 2: /* from */
 164                 echo html_tag( 'td',
 165                                $italic . $bold . $flag . $fontstr . $senderName .
 166                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 167                                'left',
 168                                $hlt_color );
 169                 break;
 170             case 3: /* date */
 171                 echo html_tag( 'td',
 172                                $bold . $flag . $fontstr . $msg['DATE_STRING'] .
 173                                $fontstr_end . $flag_end . $bold_end,
 174                                'center',
 175                                $hlt_color,
 176                                'nowrap' );
 177                 break;
 178             case 4: /* subject */
 179                 $td_str = $bold;
 180                 if ($thread_sort_messages == 1) {
 181                     if (isset($indent_array[$msg["ID"]])) {
 182                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 183                     }
 184                 }
 185                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 186                         .  '&amp;passed_id='. $msg["ID"]
 187                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 188                 do_hook("subject_link");
 189                 if ($subject != $msg['SUBJECT']) {
 190                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 191                     $title = array_flip($title);
 192                     $title = strtr($msg['SUBJECT'], $title);
 193                     $title = str_replace('"', "''", $title);
 194                     $td_str .= " title=\"$title\"";
 195                 }
 196                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 197                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 198                 break;
 199             case 5: /* flags */
 200                 $stuff = false;
 201                 $td_str = "<b><small>";
 202
 203                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 204                     $td_str .= _("A");
 205                     $stuff = true;
 206                 }
 207                 if ($msg['TYPE0'] == 'multipart') {
 208                     $td_str .= '+';
 209                     $stuff = true;
 210                 }
 211                 if ($default_use_priority) {
 212                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 213                         $td_str .= "<font color=\"$color[1]\">!</font>";
 214                         $stuff = true;
 215                     }
 216                     if ($msg['PRIORITY'] == 5) {
 217                         $td_str .= "<font color=\"$color[8]\">?</font>";
 218                         $stuff = true;
 219                     }
 220                 }
 221                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 222                     $td_str .= "<font color=\"$color[1]\">D</font>";
 223                     $stuff = true;
 224                 }
 225                 if (!$stuff) {
 226                     $td_str .= '&nbsp;';
 227                 }
 228                 $td_str .= '</small></b>';
 229                 echo html_tag( 'td',
 230                                $td_str,
 231                                'center',
 232                                $hlt_color,
 233                                'nowrap' );
 234                 break;
 235             case 6: /* size */
 236                 echo html_tag( 'td',
 237                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 238                                $fontstr_end . $bold_end,
 239                                'right',
 240                                $hlt_color );
 241                 break;
 242             }
 243             ++$col;
 244         }
 245     }
 246     echo '</tr>'."\n".'<tr><td colspan="'.$col.'" BGCOLOR="'.
 247                                $color[0].'" HEIGHT="1"></td></tr>'."\n";
 248 }
 249
 250 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 251     $id = get_thread_sort($imapConnection);
 252     if ($id != 'no') {
 253         if ($start_msg + ($show_num - 1) < $num_msgs) {
 254             $end_msg = $start_msg + ($show_num-1);
 255         } else {
 256             $end_msg = $num_msgs;
 257         }
 258         $id = array_slice($id, ($start_msg-1), ($end_msg));
 259
 260         $end = $start_msg + $show_num - 1;
 261         if ($num_msgs < $show_num) {
 262             $end_loop = $num_msgs;
 263         } else if ($end > $num_msgs) {
 264             $end_loop = $num_msgs - $start_msg + 1;
 265         } else {
 266             $end_loop = $show_num;
 267         }
 268         return fillMessageArray($imapConnection,$id,$end_loop);
 269     } else {
 270         return false;
 271     }
 272 }
 273
 274 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 275                               $num_msgs, $server_sort_order, $mbxresponse) {
 276   $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 277   if ($id != 'no') {
 278      if ($start_msg + ($show_num - 1) < $num_msgs) {
 279         $end_msg = $start_msg + ($show_num-1);
 280      } else {
 281         $end_msg = $num_msgs;
 282      }
 283      $id = array_slice($id, ($start_msg-1), ($end_msg));
 284
 285      $end = $start_msg + $show_num - 1;
 286      if ($num_msgs < $show_num) {
 287         $end_loop = $num_msgs;
 288      } else if ($end > $num_msgs) {
 289         $end_loop = $num_msgs - $start_msg + 1;
 290      } else {
 291         $end_loop = $show_num;
 292      }
 293      return fillMessageArray($imapConnection,$id,$end_loop);
 294   } else {
 295      return false;
 296   }
 297 }
 298
 299 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 300                               $num_msgs, $sort, $mbxresponse) {
 301   $msgs = array();
 302   if ($num_msgs >= 1) {
 303     $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 304     if ($sort < 6 ) {
 305        $end = $num_msgs;
 306        $end_loop = $end;
 307     } else {
 308        /* if it's not sorted */
 309        if ($start_msg + ($show_num - 1) < $num_msgs) {
 310           $end_msg = $start_msg + ($show_num - 1);
 311        } else {
 312           $end_msg = $num_msgs;
 313        }
 314        if ($end_msg < $start_msg) {
 315           $start_msg = $start_msg - $show_num;
 316           if ($start_msg < 1) {
 317              $start_msg = 1;
 318           }
 319        }
 320        $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 321        $end = $start_msg + $show_num - 1;
 322        if ($num_msgs < $show_num) {
 323           $end_loop = $num_msgs;
 324        } else if ($end > $num_msgs) {
 325           $end_loop = $num_msgs - $start_msg + 1;
 326        } else {
 327           $end_loop = $show_num;
 328        }
 329     }
 330     $msgs = fillMessageArray($imapConnection,$id,$end_loop);
 331   }
 332   return $msgs;
 333 }
 334
 335
 336
 337 /*
 338  * This function loops through a group of messages in the mailbox
 339  * and shows them to the user.
 340  */
 341 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 342                                 $start_msg, $sort, $color, $show_num,
 343                                 $use_cache, $mode='') {
 344     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 345            $allow_server_sort, $server_sort_order;
 346
 347     /* If autoexpunge is turned on, then do it now. */
 348     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 349     $srt = $sort;
 350     /* If autoexpunge is turned on, then do it now. */
 351     if ($auto_expunge == true) {
 352         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 353         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 354         $num_msgs = $mbxresponse['EXISTS'];
 355     }
 356
 357     if ($mbxresponse['EXISTS'] > 0) {
 358         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 359          * in the last page. We need to re-adjust the start_msg
 360          */
 361
 362         if($start_msg > $num_msgs) {
 363             $start_msg -= $show_num;
 364             if($start_msg < 1) {
 365                 $start_msg = 1;
 366             }
 367         }
 368
 369         /* This code and the next if() block check for
 370          * server-side sorting methods. The $id array is
 371          * formatted and $sort is set to 6 to disable
 372          * SM internal sorting
 373          */
 374
 375         if ($thread_sort_messages == 1) {
 376             $mode = 'thread';
 377         } elseif ($allow_server_sort == 1) {
 378             $mode = 'serversort';
 379         } else {
 380             $mode = '';
 381         }
 382
 383         switch ($mode) {
 384             case 'thread':
 385                 sqsession_unregister('msort');
 386                 sqsession_unregister('msgs');
 387                 $msgs = getThreadMessages($imapConnection, $start_msg, $show_num,
 388                                           $num_msgs);
 389                 if ($msgs === false) {
 390                     echo '<b><small><center><font color=red>' .
 391                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 392                          '</center></small></b>';
 393                     $thread_sort_messages = 0;
 394                     $msort = $msgs = array();
 395                     sqsession_register($msort, 'msort');
 396                     sqsession_register($msgs, 'msgs');
 397                 } else {
 398                     $msort= $msgs;
 399                     $sort = 6;
 400                     sqsession_register($msort, 'msort');
 401                     sqsession_register($msgs, 'msgs');
 402                 }
 403                 break;
 404             case 'serversort':
 405                 $msgs = getServerSortMessages($imapConnection, $start_msg, $show_num,
 406                                               $num_msgs, $sort, $mbxresponse);
 407                 if ($msgs === false) {
 408                     echo '<b><small><center><font color=red>' .
 409                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 410                          '</center></small></b>';
 411                     $sort = $server_sort_order;
 412                     $allow_server_sort = FALSE;
 413                     $msort = $msgs = array();
 414                     sqsession_register($msort, 'msort');
 415                     sqsession_register($msgs, 'msgs');
 416                     $id = array();
 417                 } else {
 418                     $sort = 6;
 419                     $msort = $msgs;
 420                     sqsession_register($msort, 'msort');
 421                     sqsession_register($msgs, 'msgs');
 422                 }
 423                 break;
 424             default:
 425                 if (!$use_cache) {
 426                     sqsession_unregister('msgs');
 427                     sqsession_unregister('msort');
 428                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 429                                                 $num_msgs, $sort, $mbxresponse);
 430                     $msort = calc_msort($msgs, $sort);
 431                     sqsession_register($msort, 'msort');
 432                     sqsession_register($msgs, 'msgs');
 433                 } /* !use cache */
 434                 break;
 435         } // switch
 436     } /* if exists > 0 */
 437
 438     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 439     $start_msg = $res[0];
 440     $end_msg   = $res[1];
 441
 442     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 443                                        $num_msgs, $show_num, $sort);
 444
 445     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 446
 447     do_hook('mailbox_index_before');
 448
 449     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 450                                    $msg_cnt_str, $paginator_str, $start_msg);
 451
 452
 453     echo '<table bgcolor="' . $color[0] . '" border="0" width="100%" cellpadding="1" cellspacing="0"><tr><td>';
 454     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 455
 456     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 457                         $msort, $mailbox, $sort, $color, $show_num, 0, 0);
 458
 459     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 460     echo '</td></tr></table>';
 461
 462   /**
 463    * TODO: Switch to using $_SESSION[] whenever we ditch the 4.0.x series.
 464    */
 465 }
 466
 467 function calc_msort($msgs, $sort) {
 468
 469     /*
 470      * 0 = Date (up)
 471      * 1 = Date (dn)
 472      * 2 = Name (up)
 473      * 3 = Name (dn)
 474      * 4 = Subject (up)
 475      * 5 = Subject (dn)
 476      */
 477     if (($sort == 0) || ($sort == 1)) {
 478         $msort = array_cleave ($msgs, 'TIME_STAMP');
 479     } elseif (($sort == 2) || ($sort == 3)) {
 480         $msort = array_cleave ($msgs, 'FROM-SORT');
 481     } elseif (($sort == 4) || ($sort == 5)) {
 482         $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 483     } else {
 484         $msort = $msgs;
 485     }
 486     if ($sort < 6) {
 487         if ($sort % 2) {
 488             asort($msort);
 489         } else {
 490             arsort($msort);
 491         }
 492     }
 493     return $msort;
 494 }
 495
 496 function fillMessageArray($imapConnection, $id, $count) {
 497     $msgs_list = sqimap_get_small_header_list($imapConnection, $id);
 498     $messages = array();
 499     if (sizeof($msgs_list)) {
 500         foreach ($msgs_list as $hdr) {
 501             $unique_id[] = $hdr->uid;
 502             $from[] = $hdr->from;
 503             $date[] = $hdr->date;
 504             $subject[] = $hdr->subject;
 505             $to[] = $hdr->to;
 506             $priority[] = $hdr->priority;
 507             $cc[] = $hdr->cc;
 508             $size[] = $hdr->size;
 509             $type[] = $hdr->type0;
 510             $flag_deleted[] = $hdr->flag_deleted;
 511             $flag_answered[] = $hdr->flag_answered;
 512             $flag_seen[] = $hdr->flag_seen;
 513             $flag_flagged[] = $hdr->flag_flagged;
 514         }
 515     }
 516
 517     for($j = 0; $j < $count; ++$j) {
 518         if (isset($date[$j])) {
 519             $date[$j] = str_replace('  ', ' ', $date[$j]);
 520             $tmpdate  = explode(' ', trim($date[$j]));
 521         } else {
 522             $tmpdate = $date = array('', '', '', '', '', '');
 523         }
 524         $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 525         $messages[$j]['DATE_STRING'] =
 526         getDateString($messages[$j]['TIME_STAMP']);
 527         $messages[$j]['ID'] = $unique_id[$j];
 528         $messages[$j]['FROM'] = decodeHeader($from[$j]);
 529         $messages[$j]['FROM-SORT'] =
 530         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 531         $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 532         $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 533         $messages[$j]['TO'] = decodeHeader($to[$j]);
 534         $messages[$j]['PRIORITY'] = $priority[$j];
 535         $messages[$j]['CC'] = $cc[$j];
 536         $messages[$j]['SIZE'] = $size[$j];
 537         $messages[$j]['TYPE0'] = $type[$j];
 538         $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 539         $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 540         $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 541         $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 542
 543         /*
 544          * fix SUBJECT-SORT to remove Re:
 545          *     vedr|sv  (Danish)
 546          *     re|aw (English)
 547          *
 548          * TODO: i18n should be incorporated here. E.g. we catch the ones
 549          * we know about, but also define in i18n what the localized
 550          * "Re: " is for this or that locale.
 551          */
 552         if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 553             $messages[$j]['SUBJECT-SORT'], $matches)){
 554             $messages[$j]['SUBJECT-SORT'] = $matches[2];
 555         }
 556     }
 557     return $messages;
 558 }
 559
 560
 561 /* Generic function to convert the msgs array into an HTML table. */
 562 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 563                              $msort, $mailbox, $sort, $color,
 564                              $show_num, $where=0, $what=0) {
 565     global $imapServerAddress, $use_mailbox_cache,
 566            $index_order, $checkall,
 567            $indent_array, $thread_sort_messages, $allow_server_sort,
 568            $server_sort_order, $PHP_SELF;
 569
 570     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 571     $start_msg = $res[0];
 572     $end_msg   = $res[1];
 573
 574     $urlMailbox = urlencode($mailbox);
 575
 576     /* get indent level for subject display */
 577     if ($thread_sort_messages == 1 ) {
 578         $indent_array = get_parent_level($imapConnection);
 579     }
 580
 581     $real_startMessage = $start_msg;
 582     if ($sort == 6) {
 583         if ($end_msg - $start_msg < $show_num - 1) {
 584             $end_msg = $end_msg - $start_msg + 1;
 585             $start_msg = 1;
 586         } else if ($start_msg > $show_num) {
 587             $end_msg = $show_num;
 588             $start_msg = 1;
 589         }
 590     }
 591     $endVar = $end_msg + 1;
 592
 593     /*
 594      * Loop through and display the info for each message.
 595      * ($t is used for the checkbox number)
 596      */
 597     $t = 0;
 598
 599     /* messages display */
 600
 601     if ($num_msgs == 0) {
 602     /* if there's no messages in this folder */
 603         echo html_tag( 'tr',
 604                 html_tag( 'td',
 605                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 606                           'center',
 607                           $color[4],
 608                           'COLSPAN="' . count($index_order) . '"'
 609                 )
 610         );
 611     } elseif ($start_msg == $end_msg) {
 612     /* if there's only one message in the box, handle it differently. */
 613         if ($sort != 6) {
 614             $i = $start_msg;
 615         } else {
 616             $i = 1;
 617         }
 618         reset($msort);
 619         $k = 0;
 620         do {
 621             $key = key($msort);
 622             next($msort);
 623             $k++;
 624         } while (isset ($key) && ($k < $i));
 625         printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 626             $real_startMessage, $where, $what);
 627     } else {
 628         $i = $start_msg;
 629         reset($msort);
 630         $k = 0;
 631         do {
 632             $key = key($msort);
 633             next($msort);
 634             $k++;
 635         } while (isset ($key) && ($k < $i));
 636         do {
 637             printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 638                              $real_startMessage, $where, $what);
 639             $key = key($msort);
 640             $t++;
 641             $i++;
 642             next($msort);
 643         } while ($i && $i < $endVar);
 644     }
 645     echo '</table>';
 646 }
 647
 648 /*
 649  * Displays the standard message list header. To finish the table,
 650  * you need to do a "</table></table>";
 651  *
 652  * $moveURL is the URL to submit the delete/move form to
 653  * $mailbox is the current mailbox
 654  * $sort is the current sorting method (-1 for no sorting available [searches])
 655  * $Message is a message that is centered on top of the list
 656  * $More is a second line that is left aligned
 657  */
 658
 659 function mail_message_listing_beginning ($imapConnection,
 660                                          $mailbox = '', $sort = -1,
 661                                          $msg_cnt_str = '',
 662                                          $paginator = '&nbsp;',
 663                                          $start_msg = 1) {
 664     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 665            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 666            $PHP_SELF;
 667
 668     $php_self = $PHP_SELF;
 669     /* fix for incorrect $PHP_SELF */
 670     if (strpos($php_self, 'move_messages.php')) {
 671         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 672     }
 673     $urlMailbox = urlencode($mailbox);
 674
 675     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 676         $source_url = $regs[1];
 677     } else {
 678         $source_url = $php_self;
 679     }
 680
 681     if (!isset($msg)) {
 682         $msg = '';
 683     }
 684     $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 685              . "&amp;startMessage=$start_msg";
 686     /*
 687      * This is the beginning of the message list table.
 688      * It wraps around all messages
 689      */
 690
 691     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 692         . html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' ) .
 693             html_tag( 'tr',
 694                 html_tag( 'td' ,
 695                     html_tag( 'table' ,
 696                         html_tag( 'tr',
 697                             html_tag( 'td', $paginator, 'left' ) .
 698                             html_tag( 'td', $msg_cnt_str, 'right' )
 699                         )
 700                     , '', $color[4], 'border="0" width="100%" cellpadding="2"  cellspacing="0"' )
 701                 , 'left', '', '' )
 702             , '', $color[0] )
 703         . html_tag( 'tr' ) . "\n"
 704         . html_tag( 'td' ,'' , 'left', $color[0], '' )
 705         . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="0"  cellspacing="0"' )
 706             . html_tag( 'tr',
 707                 getSmallStringCell('&nbsp;' . _("Move Selected To"), 'left') .
 708                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 709             )
 710             . html_tag( 'tr' ) ."\n"
 711             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 712             getMbxList($imapConnection);
 713             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 714             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 715
 716     echo "      </TD>\n"
 717          . html_tag( 'td', '', 'right', '', 'nowrap' );
 718
 719     if (!$auto_expunge) {
 720         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 721              .'&nbsp;' . _("mailbox") . "\n";
 722     }
 723
 724     echo getButton('SUBMIT', 'markRead',_("Read"));
 725     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 726     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp\n";
 727     if (!strpos($php_self,'mailbox')) {
 728         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 729     } else {
 730         $location = $php_self;
 731     }
 732     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 733     echo "</TD>\n"
 734          . "   </TR>\n";
 735
 736     /* draws thread sorting links */
 737     if ($allow_thread_sort == TRUE) {
 738         if ($thread_sort_messages == 1 ) {
 739             $set_thread = 2;
 740             $thread_name = _("Unthread View");
 741         } elseif ($thread_sort_messages == 0) {
 742             $set_thread = 1;
 743             $thread_name = _("Thread View");
 744         }
 745         echo html_tag( 'tr' ,
 746                     html_tag( 'td' ,
 747                               '&nbsp;<a href=' . $source_url . '?sort='
 748                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 749                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 750                               . '</a></small>&nbsp;'
 751                      , '', '', '' )
 752                  , '', '', '' );
 753     }
 754
 755     echo "</TABLE>\n";
 756     echo "</table>\n";
 757
 758     do_hook('mailbox_form_before');
 759
 760     echo '</td></tr>'
 761          . html_tag( 'tr' )
 762          . html_tag( 'td' ,'' , '', $color[0], '' );
 763
 764     /* if using server sort we highjack the
 765      * the $sort var and use $server_sort_order
 766      * instead. but here we reset sort for a bit
 767      * since its easy
 768      */
 769     if ($allow_server_sort == TRUE) {
 770         $sort = $server_sort_order;
 771     }
 772 }
 773
 774 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 775     if ($num_msgs) {
 776         echo html_tag( 'table',
 777             html_tag( 'tr',
 778                 html_tag( 'td',
 779                     html_tag( 'table',
 780                         html_tag( 'tr',
 781                             html_tag( 'td', $paginator_str ) .
 782                             html_tag( 'td', $msg_cnt_str, 'right' )
 783                         )
 784                     , '', $color[4], 'width="100%" cellpadding="1" cellspacing="1"' )
 785                 )
 786             , '', $color[4] )
 787         , '', $color[9], 'width="100%" cellpadding="1"  cellspacing="1"' );
 788
 789     }
 790     /* End of message-list table */
 791
 792     do_hook('mailbox_index_after');
 793     echo "</FORM>\n";
 794 }
 795
 796 function printHeader($mailbox, $sort, $color, $showsort=true) {
 797     global $index_order;
 798     echo html_tag( 'table' ,'' , '', $color[4], 'border="0" width="100%" cellpadding="1" cellspacing="0"' );
 799     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 800     for ($i = 1; $i <= count($index_order); $i++) {
 801         switch ($index_order[$i]) {
 802         case 1: /* checkbox */
 803         case 5: /* flags */
 804             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 805             break;
 806         case 2: /* from */
 807             if (handleAsSent($mailbox)) {
 808                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 809                      . '<b>' . _("To") . '</b>';
 810             } else {
 811                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 812                      . '<b>' . _("From") . '</b>';
 813             }
 814             if ($showsort) {
 815                 ShowSortButton($sort, $mailbox, 2, 3);
 816             }
 817             echo "</td>\n";
 818             break;
 819         case 3: /* date */
 820             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 821                  . '<b>' . _("Date") . '</b>';
 822             if ($showsort) {
 823                 ShowSortButton($sort, $mailbox, 0, 1);
 824             }
 825             echo "</td>\n";
 826             break;
 827         case 4: /* subject */
 828             echo html_tag( 'td' ,'' , 'left', '', '' )
 829                  . '<b>' . _("Subject") . '</b>';
 830             if ($showsort) {
 831                 ShowSortButton($sort, $mailbox, 4, 5);
 832             }
 833             echo "</td>\n";
 834             break;
 835         case 6: /* size */
 836             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 837             break;
 838         }
 839     }
 840     echo "</tr>\n";
 841 }
 842
 843
 844 /*
 845  * This function shows the sort button. Isn't this a good comment?
 846  */
 847 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 848     global $PHP_SELF;
 849     /* Figure out which image we want to use. */
 850     if ($sort != $Up && $sort != $Down) {
 851         $img = 'sort_none.png';
 852         $which = $Up;
 853     } elseif ($sort == $Up) {
 854         $img = 'up_pointer.png';
 855         $which = $Down;
 856     } else {
 857         $img = 'down_pointer.png';
 858         $which = 6;
 859     }
 860
 861     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 862         $source_url = $regs[1];
 863     } else {
 864         $source_url = $PHP_SELF;
 865     }
 866
 867     /* Now that we have everything figured out, show the actual button. */
 868     echo ' <a href="' . $source_url .'?newsort=' . $which
 869          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 870          . '"><IMG SRC="../images/' . $img
 871          . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 872 }
 873
 874 function get_selectall_link($start_msg, $sort) {
 875     global $checkall, $what, $where, $mailbox, $javascript_on;
 876     global $PHP_SELF, $PG_SHOWNUM;
 877
 878     $result = '';
 879     if ($javascript_on) {
 880         $result = '<script language="JavaScript" type="text/javascript">'
 881                 . "\n<!-- \n"
 882                 . "function CheckAll() {\n"
 883                 . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 884                 . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 885                 . "      document.messageList.elements[i].checked = "
 886                 . "        !(document.messageList.elements[i].checked);\n"
 887                 . "    }\n"
 888                 . "  }\n"
 889                 . "}\n"
 890                 . "//-->\n"
 891                 . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 892                 . "</a>\n";
 893     } else {
 894         if (strpos($PHP_SELF, "?")) {
 895             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 896                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 897         } else {
 898             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 899                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 900         }
 901         if (isset($checkall) && $checkall == '1') {
 902             $result .= '0';
 903         } else {
 904             $result .= '1';
 905         }
 906
 907         if (isset($where) && isset($what)) {
 908             $result .= '&amp;where=' . urlencode($where)
 909                     .  '&amp;what=' . urlencode($what);
 910         }
 911         $result .= "\">";
 912
 913         if (isset($checkall) && ($checkall == '1')) {
 914             $result .= _("Unselect All");
 915         } else {
 916             $result .= _("Select All");
 917         }
 918         $result .= "</A>\n";
 919     }
 920
 921     /* Return our final result. */
 922     return ($result);
 923 }
 924
 925 /*
 926  * This function computes the "Viewing Messages..." string.
 927  */
 928 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 929     /* Compute the $msg_cnt_str. */
 930     $result = '';
 931     if ($start_msg < $end_msg) {
 932         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 933                           $start_msg, $end_msg, $num_msgs);
 934     } else if ($start_msg == $end_msg) {
 935         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 936     } else {
 937         $result = '<br>';
 938     }
 939     /* Return our result string. */
 940     return ($result);
 941 }
 942
 943 /*
 944  * Generate a paginator link.
 945  */
 946 function get_paginator_link($box, $start_msg, $use, $text) {
 947     global $PHP_SELF;
 948
 949     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 950             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 951             . "TARGET=\"right\">$text</A>";
 952     return ($result);
 953 /*
 954     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 955         $source_url = $regs[1];
 956     } else {
 957         $source_url = $PHP_SELF;
 958     }
 959
 960     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 961             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 962             . "TARGET=\"right\">$text</A>";
 963     return ($result);
 964 */
 965 }
 966
 967 /*
 968  * This function computes the paginator string.
 969  */
 970 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 971                            $show_num, $sort) {
 972     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 973
 974     /* Initialize paginator string chunks. */
 975     $prv_str = '';
 976     $nxt_str = '';
 977     $pg_str  = '';
 978     $all_str = '';
 979     $tgl_str = '';
 980
 981     $box = urlencode($box);
 982
 983     /* Create simple strings that will be creating the paginator. */
 984     $spc = '&nbsp;';     /* This will be used as a space. */
 985     $sep = '|';          /* This will be used as a seperator. */
 986
 987     /* Get some paginator preference values. */
 988     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 989     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 990
 991     /* Make sure that our start message number is not too big. */
 992     $start_msg = min($start_msg, $num_msgs);
 993
 994     /* Decide whether or not we will use the mailbox cache. */
 995     /* Not sure why $use_mailbox_cache is even passed in.   */
 996     if ($sort == 6) {
 997         $use = 0;
 998     } else {
 999         $use = 1;
1000     }
1001
1002     /* Compute the starting message of the previous and next page group. */
1003     $next_grp = $start_msg + $show_num;
1004     $prev_grp = $start_msg - $show_num;
1005
1006     /* Compute the basic previous and next strings. */
1007     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1008         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1009         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1010     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1011         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1012         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1013     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1014         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1015         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1016     }
1017
1018     /* Page selector block. Following code computes page links. */
1019     if ($pg_sel && ($num_msgs > $show_num)) {
1020         /* Most importantly, what is the current page!!! */
1021         $cur_pg = intval($start_msg / $show_num) + 1;
1022
1023         /* Compute total # of pages and # of paginator page links. */
1024         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1025         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1026
1027         /* Compute the size of the four quarters of the page links. */
1028
1029         /* If we can, just show all the pages. */
1030         if (($tot_pgs - 1) <= $pg_max) {
1031             $q1_pgs = $cur_pg - 1;
1032             $q2_pgs = $q3_pgs = 0;
1033             $q4_pgs = $tot_pgs - $cur_pg;
1034
1035         /* Otherwise, compute some magic to choose the four quarters. */
1036         } else {
1037             /*
1038              * Compute the magic base values. Added together,
1039              * these values will always equal to the $pag_pgs.
1040              * NOTE: These are DEFAULT values and do not take
1041              * the current page into account. That is below.
1042              */
1043             $q1_pgs = floor($vis_pgs/4);
1044             $q2_pgs = round($vis_pgs/4, 0);
1045             $q3_pgs = ceil($vis_pgs/4);
1046             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1047
1048             /* Adjust if the first quarter contains the current page. */
1049             if (($cur_pg - $q1_pgs) < 1) {
1050                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1051                 $q1_pgs = $cur_pg - 1;
1052                 $q2_pgs = 0;
1053                 $q3_pgs += ceil($extra_pgs / 2);
1054                 $q4_pgs += floor($extra_pgs / 2);
1055
1056             /* Adjust if the first and second quarters intersect. */
1057             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1058                 $extra_pgs = $q2_pgs;
1059                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1060                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1061                 $q3_pgs += ceil($extra_pgs / 2);
1062                 $q4_pgs += floor($extra_pgs / 2);
1063
1064             /* Adjust if the fourth quarter contains the current page. */
1065             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1066                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1067                 $q3_pgs = 0;
1068                 $q4_pgs = $tot_pgs - $cur_pg;
1069                 $q1_pgs += floor($extra_pgs / 2);
1070                 $q2_pgs += ceil($extra_pgs / 2);
1071
1072             /* Adjust if the third and fourth quarter intersect. */
1073             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1074                 $extra_pgs = $q3_pgs;
1075                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1076                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1077                 $q1_pgs += floor($extra_pgs / 2);
1078                 $q2_pgs += ceil($extra_pgs / 2);
1079             }
1080         }
1081
1082         /*
1083          * I am leaving this debug code here, commented out, because
1084          * it is a really nice way to see what the above code is doing.
1085          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1086          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1087          */
1088
1089         /* Print out the page links from the compute page quarters. */
1090
1091         /* Start with the first quarter. */
1092         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1093             $pg_str .= "...$spc";
1094         } else {
1095             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1096                 $start = (($pg-1) * $show_num) + 1;
1097                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1098             }
1099             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1100                 $pg_str .= "...$spc";
1101             }
1102         }
1103
1104         /* Continue with the second quarter. */
1105         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1106             $start = (($pg-1) * $show_num) + 1;
1107             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1108         }
1109
1110         /* Now print the current page. */
1111         $pg_str .= $cur_pg . $spc;
1112
1113         /* Next comes the third quarter. */
1114         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1115             $start = (($pg-1) * $show_num) + 1;
1116             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1117         }
1118
1119         /* And last, print the forth quarter page links. */
1120         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1121             $pg_str .= "...$spc";
1122         } else {
1123             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1124                 $pg_str .= "...$spc";
1125             }
1126             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1127                 $start = (($pg-1) * $show_num) + 1;
1128                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1129             }
1130         }
1131     } else if ($PG_SHOWNUM == 999999) {
1132         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1133                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1134                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1135     }
1136
1137     /* If necessary, compute the 'show all' string. */
1138     if (($prv_str != '') || ($nxt_str != '')) {
1139         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1140                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1141                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1142     }
1143
1144     /* Last but not least, get the value for the toggle all link. */
1145     $tgl_str = get_selectall_link($start_msg, $sort);
1146
1147     /* Put all the pieces of the paginator string together. */
1148     /**
1149      * Hairy code... But let's leave it like it is since I am not certain
1150      * a different approach would be any easier to read. ;)
1151      */
1152     $result = '';
1153     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1154     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1155     $result .= ($pg_str  != '' ? $pg_str : '');
1156     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1157     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1158
1159     /* If the resulting string is blank, return a non-breaking space. */
1160     if ($result == '') {
1161         $result = '&nbsp;';
1162     }
1163
1164     /* Return our final magical paginator string. */
1165     return ($result);
1166 }
1167
1168 function processSubject($subject) {
1169     global $languages, $squirrelmail_language;
1170     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1171     if ($subject == '')
1172         return _("(no subject)");
1173
1174     if (strlen($subject) <= 55)
1175         return $subject;
1176
1177     $ent_strlen = strlen($subject);
1178     $trim_val=50;
1179     $ent_offset=0;
1180     /*
1181      * see if this is entities-encoded string
1182      * If so, Iterate through the whole string, find out
1183      * the real number of characters, and if more
1184      * than 55, substr with an updated trim value.
1185      */
1186     while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1187             (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1188         $trim_val   += ($ent_loc_end-$ent_loc)+1;
1189         $ent_strlen -= $ent_loc_end-$ent_loc;
1190         $ent_offset  = $ent_loc_end+1;
1191     }
1192
1193     if ($ent_strlen <= 55){
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, $trim_val);
1200     }
1201
1202     return substr($subject, 0, $trim_val) . '...';
1203 }
1204
1205 function getMbxList($imapConnection) {
1206     global $lastTargetMailbox;
1207     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1208     $boxes = sqimap_mailbox_list($imapConnection);
1209     foreach ($boxes as $boxes_part) {
1210         if (!in_array('noselect', $boxes_part['flags'])) {
1211             $box = $boxes_part['unformatted'];
1212             $box2 = str_replace(' ', '&nbsp;', imap_utf7_decode_local($boxes_part['unformatted-disp']));
1213             if($box2 == 'INBOX') {
1214                 $box2 = _("INBOX");
1215             }
1216             if ($lastTargetMailbox == $box) {
1217                 echo "       <OPTION VALUE=\"$box\" SELECTED>$box2</OPTION>\n";
1218             } else {
1219                 echo "         <OPTION VALUE=\"$box\">$box2</OPTION>\n";
1220             }
1221         }
1222     }
1223     echo '         </SELECT></TT>&nbsp;';
1224 }
1225
1226 function getButton($type, $name, $value) {
1227     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1228 }
1229
1230 function getSmallStringCell($string, $align) {
1231     return html_tag('td',
1232                     '<small>' . $string . ':&nbsp; </small>',
1233                     $align,
1234                     '',
1235                     'nowrap' );
1236 }
1237
1238 function getEndMessage($start_msg, $show_num, $num_msgs) {
1239     if ($start_msg + ($show_num - 1) < $num_msgs){
1240         $end_msg = $start_msg + ($show_num - 1);
1241     } else {
1242         $end_msg = $num_msgs;
1243     }
1244
1245     if ($end_msg < $start_msg) {
1246         $start_msg = $start_msg - $show_num;
1247         if ($start_msg < 1) {
1248             $start_msg = 1;
1249         }
1250     }
1251     return (array($start_msg,$end_msg));
1252 }
1253
1254 function handleAsSent($mailbox) {
1255     global $sent_folder, $draft_folder, $handleAsSent_result;
1256
1257     /* First check if this is the sent or draft folder. */
1258     $handleAsSent_result = (($mailbox == $sent_folder)
1259                              || ($mailbox == $draft_folder));
1260
1261     /* Then check the result of the handleAsSent hook. */
1262     do_hook('check_handleAsSent_result', $mailbox);
1263
1264     /* And return the result. */
1265     return ($handleAsSent_result);
1266 }
1267 ?>