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 = $message_highlight_list_part['color'];
 136                     continue;
 137                 }
 138             }
 139         }
 140     }
 141
 142     if (!isset($hlt_color)) {
 143         $hlt_color = $color_string;
 144     }
 145
 146     $checked = ($checkall == 1) ? ' checked' : '';
 147     $row = new html();
 148     $row->tag = 'tr';
 149     $row->class = 'm_r';
 150     $row->id = 'mr'.$t;
 151
 152     $col = 0;
 153     if (sizeof($index_order)){
 154         foreach ($index_order as $index_order_part) {
 155             switch ($index_order_part) {
 156             case 1: /* checkbox */
 157                 echo html_tag( 'td',
 158                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 159                                'center',
 160                                $hlt_color );
 161                 ++$col;
 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                                $hlt_color );
 169                 ++$col;
 170                 break;
 171             case 3: /* date */
 172                 echo html_tag( 'td',
 173                                $bold . $flag . $fontstr . $msg['DATE_STRING'] .
 174                                $fontstr_end . $flag_end . $bold_end,
 175                                'center',
 176                                $hlt_color,
 177                                'nowrap' );
 178                 ++$col;
 179                 break;
 180             case 4: /* subject */
 181                 $td_str = $bold;
 182                 if ($thread_sort_messages == 1) {
 183                     if (isset($indent_array[$msg["ID"]])) {
 184                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 185                     }
 186                 }
 187                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 188                              .'&amp;passed_id='. $msg["ID"]
 189                              . '&amp;startMessage='.$start_msg.$searchstr.'"';
 190                 do_hook("subject_link");
 191                 if ($subject != $msg['SUBJECT']) {
 192                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 193                     $title = array_flip($title);
 194                     $title = strtr($msg['SUBJECT'], $title);
 195                     $title = str_replace('"', "''", $title);
 196                     $td_str .= " title=\"$title\"";
 197                 }
 198                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 199                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 200                 ++$col;
 201                 break;
 202             case 5: /* flags */
 203                 $stuff = false;
 204                 $td_str = "<b><small>";
 205
 206                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 207                     $td_str .= _("A");
 208                     $stuff = true;
 209                 }
 210                 if ($msg['TYPE0'] == 'multipart') {
 211                     $td_str .= '+';
 212                     $stuff = true;
 213                 }
 214                 if ($default_use_priority) {
 215                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 216                         $td_str .= "<font color=\"$color[1]\">!</font>";
 217                         $stuff = true;
 218                     }
 219                     if ($msg['PRIORITY'] == 5) {
 220                         $td_str .= "<font color=\"$color[8]\">?</font>";
 221                         $stuff = true;
 222                     }
 223                 }
 224                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 225                     $td_str .= "<font color=\"$color[1]\">D</font>";
 226                     $stuff = true;
 227                 }
 228                 if (!$stuff) {
 229                     $td_str .= '&nbsp;';
 230                 }
 231                 $td_str .= '</small></b>';
 232                 echo html_tag( 'td',
 233                                $td_str,
 234                                'center',
 235                                $hlt_color,
 236                                'nowrap' );
 237                 ++$col;
 238                 break;
 239             case 6: /* size */
 240
 241                 echo html_tag( 'td',
 242                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 243                                $fontstr_end . $bold_end,
 244                                'right',
 245                                $hlt_color );
 246                 ++$col;
 247                 break;
 248             }
 249         }
 250     }
 251     echo '</tr>'."\n".'<tr><td colspan="'.$col.'" BGCOLOR="'.
 252                                $color[0].'" HEIGHT="1"></td></tr>'."\n";
 253 }
 254
 255 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 256   $id = get_thread_sort($imapConnection);
 257   if ($id != 'no') {
 258      if ($start_msg + ($show_num - 1) < $num_msgs) {
 259         $end_msg = $start_msg + ($show_num-1);
 260      } else {
 261         $end_msg = $num_msgs;
 262      }
 263      $id = array_slice($id, ($start_msg-1), ($end_msg));
 264
 265      $end = $start_msg + $show_num - 1;
 266      if ($num_msgs < $show_num) {
 267         $end_loop = $num_msgs;
 268      } else if ($end > $num_msgs) {
 269         $end_loop = $num_msgs - $start_msg + 1;
 270      } else {
 271         $end_loop = $show_num;
 272      }
 273      return fillMessageArray($imapConnection,$id,$end_loop);
 274   } else {
 275      return false;
 276   }
 277 }
 278
 279 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 280                               $num_msgs, $server_sort_order, $mbxresponse) {
 281   $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 282   if ($id != 'no') {
 283      if ($start_msg + ($show_num - 1) < $num_msgs) {
 284         $end_msg = $start_msg + ($show_num-1);
 285      } else {
 286         $end_msg = $num_msgs;
 287      }
 288      $id = array_slice($id, ($start_msg-1), ($end_msg));
 289
 290      $end = $start_msg + $show_num - 1;
 291      if ($num_msgs < $show_num) {
 292         $end_loop = $num_msgs;
 293      } else if ($end > $num_msgs) {
 294         $end_loop = $num_msgs - $start_msg + 1;
 295      } else {
 296         $end_loop = $show_num;
 297      }
 298      return fillMessageArray($imapConnection,$id,$end_loop);
 299   } else {
 300      return false;
 301   }
 302 }
 303
 304 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 305                               $num_msgs, $sort, $mbxresponse) {
 306   $msgs = array();
 307   if ($num_msgs >= 1) {
 308     $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 309     if ($sort < 6 ) {
 310        $end = $num_msgs;
 311        $end_loop = $end;
 312     } else {
 313        /* if it's not sorted */
 314        if ($start_msg + ($show_num - 1) < $num_msgs) {
 315           $end_msg = $start_msg + ($show_num - 1);
 316        } else {
 317           $end_msg = $num_msgs;
 318        }
 319        if ($end_msg < $start_msg) {
 320           $start_msg = $start_msg - $show_num;
 321           if ($start_msg < 1) {
 322              $start_msg = 1;
 323           }
 324        }
 325        $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 326        $end = $start_msg + $show_num - 1;
 327        if ($num_msgs < $show_num) {
 328           $end_loop = $num_msgs;
 329        } else if ($end > $num_msgs) {
 330           $end_loop = $num_msgs - $start_msg + 1;
 331        } else {
 332           $end_loop = $show_num;
 333        }
 334     }
 335     $msgs = fillMessageArray($imapConnection,$id,$end_loop);
 336   }
 337   return $msgs;
 338 }
 339
 340
 341
 342 /*
 343  * This function loops through a group of messages in the mailbox
 344  * and shows them to the user.
 345  */
 346 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 347                                 $start_msg, $sort, $color, $show_num,
 348                                 $use_cache, $mode='') {
 349    global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 350           $allow_server_sort, $server_sort_order;
 351
 352   /* If autoexpunge is turned on, then do it now. */
 353   $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 354   $srt = $sort;
 355   /* If autoexpunge is turned on, then do it now. */
 356   if ($auto_expunge == true) {
 357      $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 358      $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 359      $num_msgs = $mbxresponse['EXISTS'];
 360   }
 361
 362   if ($mbxresponse['EXISTS']>0) {
 363      /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 364       * in the last page. We need to re-adjust the start_msg
 365       */
 366
 367      if($start_msg > $num_msgs) {
 368         $start_msg -= $show_num;
 369         if($start_msg < 1) {
 370           $start_msg = 1;
 371         }
 372      }
 373
 374      /* This code and the next if() block check for
 375       * server-side sorting methods. The $id array is
 376       * formatted and $sort is set to 6 to disable
 377       * SM internal sorting
 378       */
 379
 380      if ($thread_sort_messages == 1) {
 381         $mode = 'thread';
 382      } elseif ($allow_server_sort == 1) {
 383         $mode = 'serversort';
 384      } else {
 385         $mode = '';
 386      }
 387
 388      switch ($mode) {
 389        case 'thread':
 390             sqsession_unregister('msort');
 391             sqsession_unregister('msgs');
 392             $msgs = getThreadMessages($imapConnection, $start_msg, $show_num,
 393                                       $num_msgs);
 394             if ($msgs === false) {
 395                 echo '<b><small><center><font color=red>' .
 396                  _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 397                  '</center></small></b>';
 398                $thread_sort_messages = 0;
 399                $msort = $msgs = array();
 400                sqsession_register($msort, 'msort');
 401                sqsession_register($msgs, 'msgs');
 402             } else {
 403                $msort= $msgs;
 404                $sort = 6;
 405                sqsession_register($msort, 'msort');
 406                sqsession_register($msgs, 'msgs');
 407             }
 408
 409          break;
 410        case 'serversort':
 411          $msgs = getServerSortMessages($imapConnection, $start_msg, $show_num,
 412                               $num_msgs, $sort, $mbxresponse);
 413          if ($msgs === false) {
 414             echo '<b><small><center><font color=red>' .
 415                   _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 416                   '</center></small></b>';
 417             $sort = $server_sort_order;
 418             $allow_server_sort = FALSE;
 419             $msort = $msgs = array();
 420             sqsession_register($msort, 'msort');
 421             sqsession_register($msgs, 'msgs');
 422             $id = array();
 423          } else {
 424             $sort = 6;
 425             $msort = $msgs;
 426             sqsession_register($msort, 'msort');
 427             sqsession_register($msgs, 'msgs');
 428          }
 429          break;
 430        default:
 431          if (!$use_cache) {
 432             sqsession_unregister('msgs');
 433             sqsession_unregister('msort');
 434             $msgs= getSelfSortMessages($imapConnection, $start_msg, $show_num,
 435                               $num_msgs, $sort, $mbxresponse);
 436             $msort = calc_msort($msgs, $sort);
 437             sqsession_register($msort, 'msort');
 438             sqsession_register($msgs, 'msgs');
 439          } /* !use cache */
 440          break;
 441      } // switch
 442   } /* if exists > 0 */
 443
 444   $res = getEndMessage($start_msg, $show_num, $num_msgs);
 445   $start_msg = $res[0];
 446   $end_msg = $res[1];
 447
 448   $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 449                                      $num_msgs, $show_num, $sort);
 450
 451   $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 452
 453   do_hook('mailbox_index_before');
 454
 455   mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 456                                   $msg_cnt_str, $paginator_str, $start_msg);
 457
 458
 459   echo '<table bgcolor="' . $color[0] . '" border="0" width="100%" cellpadding="1" cellspacing="0"><tr><td>';
 460   printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 461
 462   displayMessageArray($imapConnection, $num_msgs, $start_msg,
 463                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 464
 465   mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 466   echo '</td></tr></table>';
 467
 468   /**
 469    * TODO: Switch to using $_SESSION[] whenever we ditch the 4.0.x series.
 470    */
 471 }
 472
 473 function calc_msort($msgs, $sort) {
 474
 475     /*
 476      * 0 = Date (up)
 477      * 1 = Date (dn)
 478      * 2 = Name (up)
 479      * 3 = Name (dn)
 480      * 4 = Subject (up)
 481      * 5 = Subject (dn)
 482      */
 483   if (($sort == 0) || ($sort == 1)) {
 484      $msort = array_cleave ($msgs, 'TIME_STAMP');
 485   } elseif (($sort == 2) || ($sort == 3)) {
 486      $msort = array_cleave ($msgs, 'FROM-SORT');
 487   } elseif (($sort == 4) || ($sort == 5)) {
 488      $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 489   } else {
 490     $msort = $msgs;
 491   }
 492   if ($sort < 6) {
 493      if ($sort % 2) {
 494         asort($msort);
 495      } else {
 496         arsort($msort);
 497      }
 498   }
 499   return $msort;
 500 }
 501
 502 function fillMessageArray($imapConnection,$id,$count) {
 503    $msgs_list = sqimap_get_small_header_list($imapConnection, $id);
 504    $messages = array();
 505    if (sizeof($msgs_list)){
 506       foreach ($msgs_list as $hdr) {
 507          $unique_id[] = $hdr->uid;
 508          $from[] = $hdr->from;
 509          $date[] = $hdr->date;
 510          $subject[] = $hdr->subject;
 511          $to[] = $hdr->to;
 512          $priority[] = $hdr->priority;
 513          $cc[] = $hdr->cc;
 514          $size[] = $hdr->size;
 515          $type[] = $hdr->type0;
 516          $flag_deleted[] = $hdr->flag_deleted;
 517          $flag_answered[] = $hdr->flag_answered;
 518          $flag_seen[] = $hdr->flag_seen;
 519          $flag_flagged[] = $hdr->flag_flagged;
 520      }
 521   }
 522
 523   $j = 0;
 524   while ($j < $count) {
 525
 526       if (isset($date[$j])) {
 527         $date[$j] = str_replace('  ', ' ', $date[$j]);
 528         $tmpdate = explode(' ', trim($date[$j]));
 529       } else {
 530         $tmpdate = $date = array('', '', '', '', '', '');
 531       }
 532       $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 533       $messages[$j]['DATE_STRING'] =
 534         getDateString($messages[$j]['TIME_STAMP']);
 535       $messages[$j]['ID'] = $unique_id[$j];
 536       $messages[$j]['FROM'] = decodeHeader($from[$j]);
 537       $messages[$j]['FROM-SORT'] =
 538         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 539       $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 540       $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 541       $messages[$j]['TO'] = decodeHeader($to[$j]);
 542       $messages[$j]['PRIORITY'] = $priority[$j];
 543       $messages[$j]['CC'] = $cc[$j];
 544       $messages[$j]['SIZE'] = $size[$j];
 545       $messages[$j]['TYPE0'] = $type[$j];
 546       $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 547       $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 548       $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 549       $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 550
 551
 552       /*
 553        * fix SUBJECT-SORT to remove Re:
 554        *     vedr|sv  (Danish)
 555        *     re|aw (English)
 556        *
 557        * TODO: i18n should be incorporated here. E.g. we catch the ones
 558        * we know about, but also define in i18n what the localized
 559        * "Re: " is for this or that locale.
 560        */
 561        if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 562                      $messages[$j]['SUBJECT-SORT'], $matches)){
 563           $messages[$j]['SUBJECT-SORT'] = $matches[2];
 564        }
 565        $j++;
 566   }
 567   return $messages;
 568 }
 569
 570
 571 /* Generic function to convert the msgs array into an HTML table. */
 572 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 573                              $msort, $mailbox, $sort, $color,
 574                              $show_num, $where=0, $what=0) {
 575   global $imapServerAddress, $use_mailbox_cache,
 576     $index_order, $checkall,
 577     $indent_array, $thread_sort_messages, $allow_server_sort,
 578     $server_sort_order, $PHP_SELF;
 579
 580   $res = getEndMessage($start_msg, $show_num, $num_msgs);
 581   $start_msg = $res[0];
 582   $end_msg = $res[1];
 583
 584   $urlMailbox = urlencode($mailbox);
 585
 586   /* get indent level for subject display */
 587   if ($thread_sort_messages == 1 ) {
 588     $indent_array = get_parent_level($imapConnection);
 589   }
 590
 591
 592   $real_startMessage = $start_msg;
 593   if ($sort == 6) {
 594     if ($end_msg - $start_msg < $show_num - 1) {
 595       $end_msg = $end_msg - $start_msg + 1;
 596       $start_msg = 1;
 597     } else if ($start_msg > $show_num) {
 598       $end_msg = $show_num;
 599       $start_msg = 1;
 600     }
 601   }
 602   $endVar = $end_msg + 1;
 603
 604   /*
 605    * Loop through and display the info for each message.
 606    * ($t is used for the checkbox number)
 607    */
 608   $t = 0;
 609
 610   /* messages display */
 611
 612   if ($num_msgs == 0) {
 613     /* if there's no messages in this folder */
 614         echo html_tag( 'tr',
 615                 html_tag( 'td',
 616                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 617                           'center',
 618                           $color[4],
 619                           'COLSPAN="' . count($index_order) . '"'
 620                 )
 621             );
 622   } elseif ($start_msg == $end_msg) {
 623     /* if there's only one message in the box, handle it differently. */
 624     if ($sort != 6){
 625       $i = $start_msg;
 626     } else {
 627       $i = 1;
 628     }
 629     reset($msort);
 630     $k = 0;
 631     do {
 632       $key = key($msort);
 633       next($msort);
 634       $k++;
 635     } while (isset ($key) && ($k < $i));
 636     printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 637                      $real_startMessage, $where, $what);
 638   } else {
 639     $i = $start_msg;
 640     reset($msort);
 641     $k = 0;
 642     do {
 643       $key = key($msort);
 644       next($msort);
 645       $k++;
 646     } while (isset ($key) && ($k < $i));
 647     do {
 648       printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 649                        $real_startMessage, $where, $what);
 650       $key = key($msort);
 651       $t++;
 652       $i++;
 653       next($msort);
 654     } while ($i && $i < $endVar);
 655   }
 656   echo '</table>';
 657 }
 658
 659 /*
 660  * Displays the standard message list header. To finish the table,
 661  * you need to do a "</table></table>";
 662  *
 663  * $moveURL is the URL to submit the delete/move form to
 664  * $mailbox is the current mailbox
 665  * $sort is the current sorting method (-1 for no sorting available [searches])
 666  * $Message is a message that is centered on top of the list
 667  * $More is a second line that is left aligned
 668  */
 669
 670 function mail_message_listing_beginning ($imapConnection,
 671                                          $mailbox = '', $sort = -1,
 672                                          $msg_cnt_str = '',
 673                                          $paginator = '&nbsp;',
 674                                          $start_msg = 1) {
 675   global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 676     $allow_thread_sort, $allow_server_sort, $server_sort_order,
 677     $PHP_SELF;
 678
 679   $php_self = $PHP_SELF;
 680   /* fix for incorrect $PHP_SELF */
 681   if (strpos($php_self, 'move_messages.php')) {
 682       $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 683   }
 684   $urlMailbox = urlencode($mailbox);
 685
 686   if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 687      $source_url = $regs[1];
 688   } else {
 689      $source_url = $php_self;
 690   }
 691
 692   if (!isset($msg)) {
 693      $msg = '';
 694   }
 695   $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 696     . "&amp;startMessage=$start_msg";
 697   /*
 698    * This is the beginning of the message list table.
 699    * It wraps around all messages
 700    */
 701
 702     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 703         . html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' ) .
 704             html_tag( 'tr',
 705                 html_tag( 'td' ,
 706                     html_tag( 'table' ,
 707                         html_tag( 'tr',
 708                             html_tag( 'td', $paginator, 'left' ) .
 709                             html_tag( 'td', $msg_cnt_str, 'right' )
 710                         )
 711                     , '', $color[4], 'border="0" width="100%" cellpadding="2"  cellspacing="0"' )
 712                 , 'left', '', '' )
 713             , '', $color[0] )
 714         . html_tag( 'tr' ) . "\n"
 715         . html_tag( 'td' ,'' , 'left', $color[0], '' )
 716         . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="0"  cellspacing="0"' )
 717             . html_tag( 'tr',
 718                 getSmallStringCell('&nbsp;' . _("Move Selected To"), 'left') .
 719                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 720             )
 721             . html_tag( 'tr' ) ."\n"
 722             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 723             getMbxList($imapConnection);
 724             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 725             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 726
 727   echo "      </TD>\n"
 728     . html_tag( 'td', '', 'right', '', 'nowrap' );
 729
 730   if (!$auto_expunge) {
 731      echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 732           .'&nbsp;' . _("mailbox") . "\n";
 733   }
 734
 735   echo getButton('SUBMIT', 'markRead',_("Read"));
 736   echo getButton('SUBMIT', 'markUnread',_("Unread"));
 737   echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp\n";
 738   if (!strpos($php_self,'mailbox')) {
 739      $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 740   } else {
 741      $location = $php_self;
 742   }
 743   echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 744   echo "</TD>\n"
 745        . "   </TR>\n";
 746
 747   /* draws thread sorting links */
 748   if ($allow_thread_sort == TRUE) {
 749     if ($thread_sort_messages == 1 ) {
 750       $set_thread = 2;
 751       $thread_name = _("Unthread View");
 752     }
 753         elseif ($thread_sort_messages == 0) {
 754       $set_thread = 1;
 755       $thread_name = _("Thread View");
 756     }
 757         echo html_tag( 'tr' ,
 758                     html_tag( 'td' ,
 759                               '&nbsp;<a href=' . $source_url . '?sort='
 760                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 761                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 762                               . '</a></small>&nbsp;'
 763                      , '', '', '' )
 764                  , '', '', '' );
 765   }
 766
 767   echo "</TABLE>\n";
 768
 769     echo "</table>\n";
 770
 771     do_hook('mailbox_form_before');
 772
 773     echo '</td></tr>'
 774     .  html_tag( 'tr' )
 775     . html_tag( 'td' ,'' , '', $color[0], '' );
 776
 777     /* if using server sort we highjack the
 778     * the $sort var and use $server_sort_order
 779     * instead. but here we reset sort for a bit
 780     * since its easy
 781     */
 782     if ($allow_server_sort == TRUE) {
 783         $sort = $server_sort_order;
 784     }
 785 }
 786
 787 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 788   if ($num_msgs) {
 789     echo html_tag( 'table',
 790             html_tag( 'tr',
 791                 html_tag( 'td',
 792                     html_tag( 'table',
 793                         html_tag( 'tr',
 794                             html_tag( 'td', $paginator_str ) .
 795                             html_tag( 'td', $msg_cnt_str, 'right' )
 796                         )
 797                     , '', $color[4], 'width="100%" cellpadding="1" cellspacing="1"' )
 798                 )
 799             , '', $color[4] )
 800         , '', $color[9], 'width="100%" cellpadding="1"  cellspacing="1"' );
 801
 802   }
 803   /* End of message-list table */
 804
 805   do_hook('mailbox_index_after');
 806   echo "</FORM>\n";
 807
 808 }
 809
 810 function printHeader($mailbox, $sort, $color, $showsort=true) {
 811   global $index_order;
 812     echo html_tag( 'table' ,'' , '', $color[4], 'border="0" width="100%" cellpadding="1" cellspacing="0"' );
 813     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 814     for ($i=1; $i <= count($index_order); $i++) {
 815         switch ($index_order[$i]) {
 816         case 1: /* checkbox */
 817         case 5: /* flags */
 818             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 819             break;
 820         case 2: /* from */
 821             if (handleAsSent($mailbox)) {
 822                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 823                 . '<b>' . _("To") . '</b>';
 824             } else {
 825                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 826                 . '<b>' . _("From") . '</b>';
 827             }
 828             if ($showsort) {
 829                 ShowSortButton($sort, $mailbox, 2, 3);
 830             }
 831             echo "</td>\n";
 832             break;
 833         case 3: /* date */
 834             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 835             . '<b>' . _("Date") . '</b>';
 836             if ($showsort) {
 837                 ShowSortButton($sort, $mailbox, 0, 1);
 838             }
 839             echo "</td>\n";
 840             break;
 841         case 4: /* subject */
 842             echo html_tag( 'td' ,'' , 'left', '', '' )
 843             . '<b>' . _("Subject") . '</b>';
 844             if ($showsort) {
 845                 ShowSortButton($sort, $mailbox, 4, 5);
 846             }
 847             echo "</td>\n";
 848             break;
 849         case 6: /* size */
 850             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 851             break;
 852         }
 853     }
 854     echo "</tr>\n";
 855 }
 856
 857
 858 /*
 859  * This function shows the sort button. Isn't this a good comment?
 860  */
 861 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 862   global $PHP_SELF;
 863   /* Figure out which image we want to use. */
 864   if ($sort != $Up && $sort != $Down) {
 865     $img = 'sort_none.png';
 866     $which = $Up;
 867   } elseif ($sort == $Up) {
 868     $img = 'up_pointer.png';
 869     $which = $Down;
 870   } else {
 871     $img = 'down_pointer.png';
 872     $which = 6;
 873   }
 874
 875   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 876      $source_url = $regs[1];
 877   } else {
 878      $source_url = $PHP_SELF;
 879   }
 880
 881   /* Now that we have everything figured out, show the actual button. */
 882   echo ' <a href="' . $source_url .'?newsort=' . $which
 883     . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 884     . '"><IMG SRC="../images/' . $img
 885     . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 886 }
 887
 888 function get_selectall_link($start_msg, $sort) {
 889   global $checkall, $what, $where, $mailbox, $javascript_on;
 890   global $PHP_SELF, $PG_SHOWNUM;
 891
 892   $result = '';
 893   if ($javascript_on) {
 894     $result =
 895       '<script language="JavaScript" type="text/javascript">'
 896       . "\n<!-- \n"
 897       . "function CheckAll() {\n"
 898       . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 899       . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 900       . "      document.messageList.elements[i].checked = "
 901       . "        !(document.messageList.elements[i].checked);\n"
 902       . "    }\n"
 903       . "  }\n"
 904       . "}\n"
 905       . "//-->\n"
 906       . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 907       . "</a>\n";
 908   } else {
 909     if (strpos($PHP_SELF, "?")) {
 910       $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 911         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 912     } else {
 913       $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 914         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 915     }
 916     if (isset($checkall) && $checkall == '1') {
 917       $result .= '0';
 918     } else {
 919       $result .= '1';
 920     }
 921
 922     if (isset($where) && isset($what)) {
 923       $result .= '&amp;where=' . urlencode($where)
 924         . '&amp;what=' . urlencode($what);
 925     }
 926
 927     $result .= "\">";
 928
 929     if (isset($checkall) && ($checkall == '1')) {
 930       $result .= _("Unselect All");
 931     } else {
 932       $result .= _("Select All");
 933     }
 934
 935     $result .= "</A>\n";
 936   }
 937
 938   /* Return our final result. */
 939   return ($result);
 940 }
 941
 942 /*
 943  * This function computes the "Viewing Messages..." string.
 944  */
 945 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 946   /* Compute the $msg_cnt_str. */
 947   $result = '';
 948   if ($start_msg < $end_msg) {
 949     $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 950                       $start_msg, $end_msg, $num_msgs);
 951   } else if ($start_msg == $end_msg) {
 952     $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 953   } else {
 954     $result = '<br>';
 955   }
 956   /* Return our result string. */
 957   return ($result);
 958 }
 959
 960 /*
 961  * Generate a paginator link.
 962  */
 963 function get_paginator_link($box, $start_msg, $use, $text) {
 964   global $PHP_SELF;
 965
 966   $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 967     . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 968     . "TARGET=\"right\">$text</A>";
 969   return ($result);
 970 /*
 971   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 972      $source_url = $regs[1];
 973   } else {
 974      $source_url = $PHP_SELF;
 975   }
 976
 977   $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 978     . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 979     . "TARGET=\"right\">$text</A>";
 980   return ($result);
 981 */
 982 }
 983
 984 /*
 985  * This function computes the paginator string.
 986  */
 987 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 988                            $show_num, $sort) {
 989   global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 990
 991   /* Initialize paginator string chunks. */
 992   $prv_str = '';
 993   $nxt_str = '';
 994   $pg_str = '';
 995   $all_str = '';
 996   $tgl_str = '';
 997
 998   $box = urlencode($box);
 999
1000   /* Create simple strings that will be creating the paginator. */
1001   $spc = '&nbsp;';     /* This will be used as a space. */
1002   $sep = '|';          /* This will be used as a seperator. */
1003
1004   /* Get some paginator preference values. */
1005   $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1006   $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1007
1008   /* Make sure that our start message number is not too big. */
1009   $start_msg = min($start_msg, $num_msgs);
1010
1011   /* Decide whether or not we will use the mailbox cache. */
1012   /* Not sure why $use_mailbox_cache is even passed in.   */
1013   if ($sort == 6) {
1014     $use = 0;
1015   } else {
1016     $use = 1;
1017   }
1018
1019   /* Compute the starting message of the previous and next page group. */
1020   $next_grp = $start_msg + $show_num;
1021   $prev_grp = $start_msg - $show_num;
1022
1023   /* Compute the basic previous and next strings. */
1024   if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1025     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1026     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1027   } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1028     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1029     $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1030   } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1031     $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1032     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1033   }
1034
1035   /* Page selector block. Following code computes page links. */
1036   if ($pg_sel && ($num_msgs > $show_num)) {
1037     /* Most importantly, what is the current page!!! */
1038     $cur_pg = intval($start_msg / $show_num) + 1;
1039
1040     /* Compute total # of pages and # of paginator page links. */
1041       $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1042       $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1043
1044       /* Compute the size of the four quarters of the page links. */
1045
1046       /* If we can, just show all the pages. */
1047       if (($tot_pgs - 1) <= $pg_max) {
1048         $q1_pgs = $cur_pg - 1;
1049         $q2_pgs = $q3_pgs = 0;
1050         $q4_pgs = $tot_pgs - $cur_pg;
1051
1052         /* Otherwise, compute some magic to choose the four quarters. */
1053       } else {
1054         /*
1055          * Compute the magic base values. Added together,
1056          * these values will always equal to the $pag_pgs.
1057          * NOTE: These are DEFAULT values and do not take
1058          * the current page into account. That is below.
1059          */
1060         $q1_pgs = floor($vis_pgs/4);
1061         $q2_pgs = round($vis_pgs/4, 0);
1062         $q3_pgs = ceil($vis_pgs/4);
1063         $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1064
1065         /* Adjust if the first quarter contains the current page. */
1066         if (($cur_pg - $q1_pgs) < 1) {
1067           $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1068           $q1_pgs = $cur_pg - 1;
1069           $q2_pgs = 0;
1070           $q3_pgs += ceil($extra_pgs / 2);
1071           $q4_pgs += floor($extra_pgs / 2);
1072
1073           /* Adjust if the first and second quarters intersect. */
1074         } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1075           $extra_pgs = $q2_pgs;
1076           $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1077           $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1078           $q3_pgs += ceil($extra_pgs / 2);
1079           $q4_pgs += floor($extra_pgs / 2);
1080
1081           /* Adjust if the fourth quarter contains the current page. */
1082         } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1083           $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1084           $q3_pgs = 0;
1085           $q4_pgs = $tot_pgs - $cur_pg;
1086           $q1_pgs += floor($extra_pgs / 2);
1087           $q2_pgs += ceil($extra_pgs / 2);
1088
1089           /* Adjust if the third and fourth quarter intersect. */
1090         } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1091           $extra_pgs = $q3_pgs;
1092           $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1093           $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1094           $q1_pgs += floor($extra_pgs / 2);
1095           $q2_pgs += ceil($extra_pgs / 2);
1096         }
1097       }
1098
1099       /*
1100        * I am leaving this debug code here, commented out, because
1101        * it is a really nice way to see what the above code is doing.
1102        * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1103        *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1104        */
1105
1106       /* Print out the page links from the compute page quarters. */
1107
1108       /* Start with the first quarter. */
1109       if (($q1_pgs == 0) && ($cur_pg > 1)) {
1110         $pg_str .= "...$spc";
1111       } else {
1112         for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1113           $start = (($pg-1) * $show_num) + 1;
1114           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1115         }
1116         if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1117           $pg_str .= "...$spc";
1118         }
1119       }
1120
1121       /* Continue with the second quarter. */
1122       for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1123         $start = (($pg-1) * $show_num) + 1;
1124         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1125       }
1126
1127       /* Now print the current page. */
1128       $pg_str .= $cur_pg . $spc;
1129
1130       /* Next comes the third quarter. */
1131       for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1132         $start = (($pg-1) * $show_num) + 1;
1133         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1134       }
1135
1136       /* And last, print the forth quarter page links. */
1137       if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1138         $pg_str .= "...$spc";
1139       } else {
1140         if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1141           $pg_str .= "...$spc";
1142         }
1143         for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1144           $start = (($pg-1) * $show_num) + 1;
1145           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1146         }
1147       }
1148   } else if ($PG_SHOWNUM == 999999) {
1149     $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1150       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1151       . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1152   }
1153
1154   /* If necessary, compute the 'show all' string. */
1155   if (($prv_str != '') || ($nxt_str != '')) {
1156     $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1157       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1158       . "TARGET=\"right\">" . _("Show All") . '</A>';
1159   }
1160
1161   /* Last but not least, get the value for the toggle all link. */
1162   $tgl_str = get_selectall_link($start_msg, $sort);
1163
1164   /* Put all the pieces of the paginator string together. */
1165   /**
1166    * Hairy code... But let's leave it like it is since I am not certain
1167    * a different approach would be any easier to read. ;)
1168    */
1169   $result = '';
1170   $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1171   $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1172   $result .= ($pg_str != '' ? $pg_str : '');
1173   $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1174   $result .= ($result != '' ? $sep . $spc . $tgl_str: $tgl_str);
1175
1176   /* If the resulting string is blank, return a non-breaking space. */
1177   if ($result == '') {
1178     $result = '&nbsp;';
1179   }
1180
1181   /* Return our final magical paginator string. */
1182   return ($result);
1183 }
1184
1185 function processSubject($subject) {
1186     global $languages, $squirrelmail_language;
1187   /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1188   if ($subject == '')
1189     return _("(no subject)");
1190
1191   if (strlen($subject) <= 55)
1192     return $subject;
1193
1194   $ent_strlen=strlen($subject);
1195   $trim_val=50;
1196   $ent_offset=0;
1197   /*
1198    * see if this is entities-encoded string
1199    * If so, Iterate through the whole string, find out
1200    * the real number of characters, and if more
1201    * than 55, substr with an updated trim value.
1202    */
1203   while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1204           (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1205     $trim_val += ($ent_loc_end-$ent_loc)+1;
1206     $ent_strlen -= $ent_loc_end-$ent_loc;
1207     $ent_offset = $ent_loc_end+1;
1208   }
1209
1210   if ($ent_strlen <= 55){
1211     return $subject;
1212   }
1213
1214   if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1215       function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1216       return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1217   }
1218
1219   return substr($subject, 0, $trim_val) . '...';
1220 }
1221
1222 function getMbxList($imapConnection) {
1223   global $lastTargetMailbox;
1224   echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1225   $boxes = sqimap_mailbox_list($imapConnection);
1226   foreach ($boxes as $boxes_part) {
1227     if (!in_array('noselect', $boxes_part['flags'])) {
1228       $box = $boxes_part['unformatted'];
1229       $box2 = str_replace(' ', '&nbsp;', imap_utf7_decode_local($boxes_part['unformatted-disp']));
1230       if( $box2 == 'INBOX' ) {
1231         $box2 = _("INBOX");
1232       }
1233       if ($lastTargetMailbox == $box) {
1234         echo "       <OPTION VALUE=\"$box\" SELECTED>$box2</OPTION>\n";
1235       }
1236       else {
1237         echo "         <OPTION VALUE=\"$box\">$box2</OPTION>\n";
1238       }
1239     }
1240   }
1241   echo '         </SELECT></TT>&nbsp;';
1242 }
1243
1244 function getButton($type, $name, $value) {
1245 return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1246 }
1247
1248 function getSmallStringCell($string, $align) {
1249   return html_tag( 'td',
1250             '<small>' . $string . ':&nbsp; </small>',
1251             $align,
1252             '',
1253             'nowrap' );
1254 }
1255
1256 function getEndMessage($start_msg, $show_num, $num_msgs) {
1257   if ($start_msg + ($show_num - 1) < $num_msgs){
1258     $end_msg = $start_msg + ($show_num - 1);
1259   } else {
1260     $end_msg = $num_msgs;
1261   }
1262
1263   if ($end_msg < $start_msg) {
1264     $start_msg = $start_msg - $show_num;
1265     if ($start_msg < 1) {
1266       $start_msg = 1;
1267     }
1268   }
1269   return (array($start_msg,$end_msg));
1270 }
1271
1272 function handleAsSent($mailbox) {
1273   global $sent_folder, $draft_folder, $handleAsSent_result;
1274
1275   /* First check if this is the sent or draft folder. */
1276   $handleAsSent_result = (($mailbox == $sent_folder)
1277                           || ($mailbox == $draft_folder));
1278
1279   /* Then check the result of the handleAsSent hook. */
1280   do_hook('check_handleAsSent_result', $mailbox);
1281
1282   /* And return the result. */
1283   return ($handleAsSent_result);
1284 }
1285
1286 ?>