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                 $high_val   = strtolower($message_highlight_list_part['value']);
 125                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 126                 if ($match_type == 'TO_CC') {
 127                     if (strstr('^^' . strtolower($msg['TO']), $high_val) ||
 128                         strstr('^^' . strtolower($msg['CC']), $high_val)) {
 129                         $hlt_color = $message_highlight_list_part['color'];
 130                         continue;
 131                     }
 132                 } else {
 133                     if (strstr('^^' . strtolower($msg[$match_type]), $high_val)) {
 134                         $hlt_color = $message_highlight_list_part['color'];
 135                         continue;
 136                     }
 137                 }
 138             }
 139         }
 140     }
 141
 142     if (!isset($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                 break;
 162             case 2: /* from */
 163                 echo html_tag( 'td',
 164                                $italic . $bold . $flag . $fontstr . $senderName .
 165                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 166                                'left',
 167                                $hlt_color );
 168                 break;
 169             case 3: /* date */
 170                 echo html_tag( 'td',
 171                                $bold . $flag . $fontstr . $msg['DATE_STRING'] .
 172                                $fontstr_end . $flag_end . $bold_end,
 173                                'center',
 174                                $hlt_color,
 175                                'nowrap' );
 176                 break;
 177             case 4: /* subject */
 178                 $td_str = $bold;
 179                 if ($thread_sort_messages == 1) {
 180                     if (isset($indent_array[$msg["ID"]])) {
 181                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 182                     }
 183                 }
 184                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 185                         .  '&amp;passed_id='. $msg["ID"]
 186                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 187                 do_hook("subject_link");
 188                 if ($subject != $msg['SUBJECT']) {
 189                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 190                     $title = array_flip($title);
 191                     $title = strtr($msg['SUBJECT'], $title);
 192                     $title = str_replace('"', "''", $title);
 193                     $td_str .= " title=\"$title\"";
 194                 }
 195                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 196                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 197                 break;
 198             case 5: /* flags */
 199                 $stuff = false;
 200                 $td_str = "<b><small>";
 201
 202                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 203                     $td_str .= _("A");
 204                     $stuff = true;
 205                 }
 206                 if ($msg['TYPE0'] == 'multipart') {
 207                     $td_str .= '+';
 208                     $stuff = true;
 209                 }
 210                 if ($default_use_priority) {
 211                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 212                         $td_str .= "<font color=\"$color[1]\">!</font>";
 213                         $stuff = true;
 214                     }
 215                     if ($msg['PRIORITY'] == 5) {
 216                         $td_str .= "<font color=\"$color[8]\">?</font>";
 217                         $stuff = true;
 218                     }
 219                 }
 220                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 221                     $td_str .= "<font color=\"$color[1]\">D</font>";
 222                     $stuff = true;
 223                 }
 224                 if (!$stuff) {
 225                     $td_str .= '&nbsp;';
 226                 }
 227                 $td_str .= '</small></b>';
 228                 echo html_tag( 'td',
 229                                $td_str,
 230                                'center',
 231                                $hlt_color,
 232                                'nowrap' );
 233                 break;
 234             case 6: /* size */
 235                 echo html_tag( 'td',
 236                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 237                                $fontstr_end . $bold_end,
 238                                'right',
 239                                $hlt_color );
 240                 break;
 241             }
 242             ++$col;
 243         }
 244     }
 245     echo '</tr>'."\n".'<tr><td colspan="'.$col.'" BGCOLOR="'.
 246                                $color[0].'" HEIGHT="1"></td></tr>'."\n";
 247 }
 248
 249 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 250     $id = get_thread_sort($imapConnection);
 251     if ($id != 'no') {
 252         if ($start_msg + ($show_num - 1) < $num_msgs) {
 253             $end_msg = $start_msg + ($show_num-1);
 254         } else {
 255             $end_msg = $num_msgs;
 256         }
 257         $id = array_slice($id, ($start_msg-1), ($end_msg));
 258
 259         $end = $start_msg + $show_num - 1;
 260         if ($num_msgs < $show_num) {
 261             $end_loop = $num_msgs;
 262         } else if ($end > $num_msgs) {
 263             $end_loop = $num_msgs - $start_msg + 1;
 264         } else {
 265             $end_loop = $show_num;
 266         }
 267         return fillMessageArray($imapConnection,$id,$end_loop);
 268     } else {
 269         return false;
 270     }
 271 }
 272
 273 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 274                               $num_msgs, $server_sort_order, $mbxresponse) {
 275   $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 276   if ($id != 'no') {
 277      if ($start_msg + ($show_num - 1) < $num_msgs) {
 278         $end_msg = $start_msg + ($show_num-1);
 279      } else {
 280         $end_msg = $num_msgs;
 281      }
 282      $id = array_slice($id, ($start_msg-1), ($end_msg));
 283
 284      $end = $start_msg + $show_num - 1;
 285      if ($num_msgs < $show_num) {
 286         $end_loop = $num_msgs;
 287      } else if ($end > $num_msgs) {
 288         $end_loop = $num_msgs - $start_msg + 1;
 289      } else {
 290         $end_loop = $show_num;
 291      }
 292      return fillMessageArray($imapConnection,$id,$end_loop);
 293   } else {
 294      return false;
 295   }
 296 }
 297
 298 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 299                               $num_msgs, $sort, $mbxresponse) {
 300   $msgs = array();
 301   if ($num_msgs >= 1) {
 302     $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 303     if ($sort < 6 ) {
 304        $end = $num_msgs;
 305        $end_loop = $end;
 306     } else {
 307        /* if it's not sorted */
 308        if ($start_msg + ($show_num - 1) < $num_msgs) {
 309           $end_msg = $start_msg + ($show_num - 1);
 310        } else {
 311           $end_msg = $num_msgs;
 312        }
 313        if ($end_msg < $start_msg) {
 314           $start_msg = $start_msg - $show_num;
 315           if ($start_msg < 1) {
 316              $start_msg = 1;
 317           }
 318        }
 319        $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 320        $end = $start_msg + $show_num - 1;
 321        if ($num_msgs < $show_num) {
 322           $end_loop = $num_msgs;
 323        } else if ($end > $num_msgs) {
 324           $end_loop = $num_msgs - $start_msg + 1;
 325        } else {
 326           $end_loop = $show_num;
 327        }
 328     }
 329     $msgs = fillMessageArray($imapConnection,$id,$end_loop);
 330   }
 331   return $msgs;
 332 }
 333
 334
 335
 336 /*
 337  * This function loops through a group of messages in the mailbox
 338  * and shows them to the user.
 339  */
 340 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 341                                 $start_msg, $sort, $color, $show_num,
 342                                 $use_cache, $mode='') {
 343     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 344            $allow_server_sort, $server_sort_order;
 345
 346     /* If autoexpunge is turned on, then do it now. */
 347     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 348     $srt = $sort;
 349     /* If autoexpunge is turned on, then do it now. */
 350     if ($auto_expunge == true) {
 351         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 352         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 353         $num_msgs = $mbxresponse['EXISTS'];
 354     }
 355
 356     if ($mbxresponse['EXISTS'] > 0) {
 357         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 358          * in the last page. We need to re-adjust the start_msg
 359          */
 360
 361         if($start_msg > $num_msgs) {
 362             $start_msg -= $show_num;
 363             if($start_msg < 1) {
 364                 $start_msg = 1;
 365             }
 366         }
 367
 368         /* This code and the next if() block check for
 369          * server-side sorting methods. The $id array is
 370          * formatted and $sort is set to 6 to disable
 371          * SM internal sorting
 372          */
 373
 374         if ($thread_sort_messages == 1) {
 375             $mode = 'thread';
 376         } elseif ($allow_server_sort == 1) {
 377             $mode = 'serversort';
 378         } else {
 379             $mode = '';
 380         }
 381
 382         switch ($mode) {
 383             case 'thread':
 384                 sqsession_unregister('msort');
 385                 sqsession_unregister('msgs');
 386                 $msgs = getThreadMessages($imapConnection, $start_msg, $show_num,
 387                                           $num_msgs);
 388                 if ($msgs === false) {
 389                     echo '<b><small><center><font color=red>' .
 390                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 391                          '</center></small></b>';
 392                     $thread_sort_messages = 0;
 393                     $msort = $msgs = array();
 394                     sqsession_register($msort, 'msort');
 395                     sqsession_register($msgs, 'msgs');
 396                 } else {
 397                     $msort= $msgs;
 398                     $sort = 6;
 399                     sqsession_register($msort, 'msort');
 400                     sqsession_register($msgs, 'msgs');
 401                 }
 402                 break;
 403             case 'serversort':
 404                 $msgs = getServerSortMessages($imapConnection, $start_msg, $show_num,
 405                                               $num_msgs, $sort, $mbxresponse);
 406                 if ($msgs === false) {
 407                     echo '<b><small><center><font color=red>' .
 408                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 409                          '</center></small></b>';
 410                     $sort = $server_sort_order;
 411                     $allow_server_sort = FALSE;
 412                     $msort = $msgs = array();
 413                     sqsession_register($msort, 'msort');
 414                     sqsession_register($msgs, 'msgs');
 415                     $id = array();
 416                 } else {
 417                     $sort = 6;
 418                     $msort = $msgs;
 419                     sqsession_register($msort, 'msort');
 420                     sqsession_register($msgs, 'msgs');
 421                 }
 422                 break;
 423             default:
 424                 if (!$use_cache) {
 425                     sqsession_unregister('msgs');
 426                     sqsession_unregister('msort');
 427                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 428                                                 $num_msgs, $sort, $mbxresponse);
 429                     $msort = calc_msort($msgs, $sort);
 430                     sqsession_register($msort, 'msort');
 431                     sqsession_register($msgs, 'msgs');
 432                 } /* !use cache */
 433                 break;
 434         } // switch
 435     } /* if exists > 0 */
 436
 437     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 438     $start_msg = $res[0];
 439     $end_msg   = $res[1];
 440
 441     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 442                                        $num_msgs, $show_num, $sort);
 443
 444     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 445
 446     do_hook('mailbox_index_before');
 447
 448     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 449                                    $msg_cnt_str, $paginator_str, $start_msg);
 450
 451
 452     echo '<table bgcolor="' . $color[0] . '" border="0" width="100%" cellpadding="1" cellspacing="0"><tr><td>';
 453     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 454
 455     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 456                         $msort, $mailbox, $sort, $color, $show_num, 0, 0);
 457
 458     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 459     echo '</td></tr></table>';
 460
 461   /**
 462    * TODO: Switch to using $_SESSION[] whenever we ditch the 4.0.x series.
 463    */
 464 }
 465
 466 function calc_msort($msgs, $sort) {
 467
 468     /*
 469      * 0 = Date (up)
 470      * 1 = Date (dn)
 471      * 2 = Name (up)
 472      * 3 = Name (dn)
 473      * 4 = Subject (up)
 474      * 5 = Subject (dn)
 475      */
 476     if (($sort == 0) || ($sort == 1)) {
 477         $msort = array_cleave ($msgs, 'TIME_STAMP');
 478     } elseif (($sort == 2) || ($sort == 3)) {
 479         $msort = array_cleave ($msgs, 'FROM-SORT');
 480     } elseif (($sort == 4) || ($sort == 5)) {
 481         $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 482     } else {
 483         $msort = $msgs;
 484     }
 485     if ($sort < 6) {
 486         if ($sort % 2) {
 487             asort($msort);
 488         } else {
 489             arsort($msort);
 490         }
 491     }
 492     return $msort;
 493 }
 494
 495 function fillMessageArray($imapConnection, $id, $count) {
 496     $msgs_list = sqimap_get_small_header_list($imapConnection, $id);
 497     $messages = array();
 498     if (sizeof($msgs_list)) {
 499         foreach ($msgs_list as $hdr) {
 500             $unique_id[] = $hdr->uid;
 501             $from[] = $hdr->from;
 502             $date[] = $hdr->date;
 503             $subject[] = $hdr->subject;
 504             $to[] = $hdr->to;
 505             $priority[] = $hdr->priority;
 506             $cc[] = $hdr->cc;
 507             $size[] = $hdr->size;
 508             $type[] = $hdr->type0;
 509             $flag_deleted[] = $hdr->flag_deleted;
 510             $flag_answered[] = $hdr->flag_answered;
 511             $flag_seen[] = $hdr->flag_seen;
 512             $flag_flagged[] = $hdr->flag_flagged;
 513         }
 514     }
 515
 516     for($j = 0; $j < $count; ++$j) {
 517         if (isset($date[$j])) {
 518             $date[$j] = str_replace('  ', ' ', $date[$j]);
 519             $tmpdate  = explode(' ', trim($date[$j]));
 520         } else {
 521             $tmpdate = $date = array('', '', '', '', '', '');
 522         }
 523         $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 524         $messages[$j]['DATE_STRING'] =
 525         getDateString($messages[$j]['TIME_STAMP']);
 526         $messages[$j]['ID'] = $unique_id[$j];
 527         $messages[$j]['FROM'] = decodeHeader($from[$j]);
 528         $messages[$j]['FROM-SORT'] =
 529         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 530         $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 531         $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 532         $messages[$j]['TO'] = decodeHeader($to[$j]);
 533         $messages[$j]['PRIORITY'] = $priority[$j];
 534         $messages[$j]['CC'] = $cc[$j];
 535         $messages[$j]['SIZE'] = $size[$j];
 536         $messages[$j]['TYPE0'] = $type[$j];
 537         $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 538         $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 539         $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 540         $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 541
 542         /*
 543          * fix SUBJECT-SORT to remove Re:
 544          *     vedr|sv  (Danish)
 545          *     re|aw (English)
 546          *
 547          * TODO: i18n should be incorporated here. E.g. we catch the ones
 548          * we know about, but also define in i18n what the localized
 549          * "Re: " is for this or that locale.
 550          */
 551         if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 552             $messages[$j]['SUBJECT-SORT'], $matches)){
 553             $messages[$j]['SUBJECT-SORT'] = $matches[2];
 554         }
 555     }
 556     return $messages;
 557 }
 558
 559
 560 /* Generic function to convert the msgs array into an HTML table. */
 561 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 562                              $msort, $mailbox, $sort, $color,
 563                              $show_num, $where=0, $what=0) {
 564     global $imapServerAddress, $use_mailbox_cache,
 565            $index_order, $checkall,
 566            $indent_array, $thread_sort_messages, $allow_server_sort,
 567            $server_sort_order, $PHP_SELF;
 568
 569     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 570     $start_msg = $res[0];
 571     $end_msg   = $res[1];
 572
 573     $urlMailbox = urlencode($mailbox);
 574
 575     /* get indent level for subject display */
 576     if ($thread_sort_messages == 1 ) {
 577         $indent_array = get_parent_level($imapConnection);
 578     }
 579
 580     $real_startMessage = $start_msg;
 581     if ($sort == 6) {
 582         if ($end_msg - $start_msg < $show_num - 1) {
 583             $end_msg = $end_msg - $start_msg + 1;
 584             $start_msg = 1;
 585         } else if ($start_msg > $show_num) {
 586             $end_msg = $show_num;
 587             $start_msg = 1;
 588         }
 589     }
 590     $endVar = $end_msg + 1;
 591
 592     /*
 593      * Loop through and display the info for each message.
 594      * ($t is used for the checkbox number)
 595      */
 596     $t = 0;
 597
 598     /* messages display */
 599
 600     if ($num_msgs == 0) {
 601     /* if there's no messages in this folder */
 602         echo html_tag( 'tr',
 603                 html_tag( 'td',
 604                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 605                           'center',
 606                           $color[4],
 607                           'COLSPAN="' . count($index_order) . '"'
 608                 )
 609         );
 610     } elseif ($start_msg == $end_msg) {
 611     /* if there's only one message in the box, handle it differently. */
 612         if ($sort != 6) {
 613             $i = $start_msg;
 614         } else {
 615             $i = 1;
 616         }
 617         reset($msort);
 618         $k = 0;
 619         do {
 620             $key = key($msort);
 621             next($msort);
 622             $k++;
 623         } while (isset ($key) && ($k < $i));
 624         printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 625                          $real_startMessage, $where, $what);
 626     } else {
 627         $i = $start_msg;
 628         reset($msort);
 629         $k = 0;
 630         do {
 631             $key = key($msort);
 632             next($msort);
 633             $k++;
 634         } while (isset ($key) && ($k < $i));
 635         do {
 636             printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 637                              $real_startMessage, $where, $what);
 638             $key = key($msort);
 639             $t++;
 640             $i++;
 641             next($msort);
 642         } while ($i && $i < $endVar);
 643     }
 644     echo '</table>';
 645 }
 646
 647 /*
 648  * Displays the standard message list header. To finish the table,
 649  * you need to do a "</table></table>";
 650  *
 651  * $moveURL is the URL to submit the delete/move form to
 652  * $mailbox is the current mailbox
 653  * $sort is the current sorting method (-1 for no sorting available [searches])
 654  * $Message is a message that is centered on top of the list
 655  * $More is a second line that is left aligned
 656  */
 657
 658 function mail_message_listing_beginning ($imapConnection,
 659                                          $mailbox = '', $sort = -1,
 660                                          $msg_cnt_str = '',
 661                                          $paginator = '&nbsp;',
 662                                          $start_msg = 1) {
 663     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 664            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 665            $PHP_SELF;
 666
 667     $php_self = $PHP_SELF;
 668     /* fix for incorrect $PHP_SELF */
 669     if (strpos($php_self, 'move_messages.php')) {
 670         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 671     }
 672     $urlMailbox = urlencode($mailbox);
 673
 674     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 675         $source_url = $regs[1];
 676     } else {
 677         $source_url = $php_self;
 678     }
 679
 680     if (!isset($msg)) {
 681         $msg = '';
 682     }
 683     $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 684              . "&amp;startMessage=$start_msg";
 685     /*
 686      * This is the beginning of the message list table.
 687      * It wraps around all messages
 688      */
 689
 690     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 691         . html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' ) .
 692             html_tag( 'tr',
 693                 html_tag( 'td' ,
 694                     html_tag( 'table' ,
 695                         html_tag( 'tr',
 696                             html_tag( 'td', $paginator, 'left' ) .
 697                             html_tag( 'td', $msg_cnt_str, 'right' )
 698                         )
 699                     , '', $color[4], 'border="0" width="100%" cellpadding="2"  cellspacing="0"' )
 700                 , 'left', '', '' )
 701             , '', $color[0] )
 702         . html_tag( 'tr' ) . "\n"
 703         . html_tag( 'td' ,'' , 'left', $color[0], '' )
 704         . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="0"  cellspacing="0"' )
 705             . html_tag( 'tr',
 706                 getSmallStringCell('&nbsp;' . _("Move Selected To"), 'left') .
 707                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 708             )
 709             . html_tag( 'tr' ) ."\n"
 710             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 711             getMbxList($imapConnection);
 712             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 713             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 714
 715     echo "      </TD>\n"
 716          . html_tag( 'td', '', 'right', '', 'nowrap' );
 717
 718     if (!$auto_expunge) {
 719         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 720              .'&nbsp;' . _("mailbox") . "\n";
 721     }
 722
 723     echo getButton('SUBMIT', 'markRead',_("Read"));
 724     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 725     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp\n";
 726     if (!strpos($php_self,'mailbox')) {
 727         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 728     } else {
 729         $location = $php_self;
 730     }
 731     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 732     echo "</TD>\n"
 733          . "   </TR>\n";
 734
 735     /* draws thread sorting links */
 736     if ($allow_thread_sort == TRUE) {
 737         if ($thread_sort_messages == 1 ) {
 738             $set_thread = 2;
 739             $thread_name = _("Unthread View");
 740         } elseif ($thread_sort_messages == 0) {
 741             $set_thread = 1;
 742             $thread_name = _("Thread View");
 743         }
 744         echo html_tag( 'tr' ,
 745                     html_tag( 'td' ,
 746                               '&nbsp;<a href=' . $source_url . '?sort='
 747                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 748                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 749                               . '</a></small>&nbsp;'
 750                      , '', '', '' )
 751                  , '', '', '' );
 752     }
 753
 754     echo "</TABLE>\n";
 755     echo "</table>\n";
 756
 757     do_hook('mailbox_form_before');
 758
 759     echo '</td></tr>'
 760          . html_tag( 'tr' )
 761          . html_tag( 'td' ,'' , '', $color[0], '' );
 762
 763     /* if using server sort we highjack the
 764      * the $sort var and use $server_sort_order
 765      * instead. but here we reset sort for a bit
 766      * since its easy
 767      */
 768     if ($allow_server_sort == TRUE) {
 769         $sort = $server_sort_order;
 770     }
 771 }
 772
 773 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 774     if ($num_msgs) {
 775         echo html_tag( 'table',
 776             html_tag( 'tr',
 777                 html_tag( 'td',
 778                     html_tag( 'table',
 779                         html_tag( 'tr',
 780                             html_tag( 'td', $paginator_str ) .
 781                             html_tag( 'td', $msg_cnt_str, 'right' )
 782                         )
 783                     , '', $color[4], 'width="100%" cellpadding="1" cellspacing="1"' )
 784                 )
 785             , '', $color[4] )
 786         , '', $color[9], 'width="100%" cellpadding="1"  cellspacing="1"' );
 787
 788     }
 789     /* End of message-list table */
 790
 791     do_hook('mailbox_index_after');
 792     echo "</FORM>\n";
 793 }
 794
 795 function printHeader($mailbox, $sort, $color, $showsort=true) {
 796     global $index_order;
 797     echo html_tag( 'table' ,'' , '', $color[4], 'border="0" width="100%" cellpadding="1" cellspacing="0"' );
 798     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 799     for ($i = 1; $i <= count($index_order); $i++) {
 800         switch ($index_order[$i]) {
 801         case 1: /* checkbox */
 802         case 5: /* flags */
 803             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 804             break;
 805         case 2: /* from */
 806             if (handleAsSent($mailbox)) {
 807                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 808                      . '<b>' . _("To") . '</b>';
 809             } else {
 810                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 811                      . '<b>' . _("From") . '</b>';
 812             }
 813             if ($showsort) {
 814                 ShowSortButton($sort, $mailbox, 2, 3);
 815             }
 816             echo "</td>\n";
 817             break;
 818         case 3: /* date */
 819             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 820                  . '<b>' . _("Date") . '</b>';
 821             if ($showsort) {
 822                 ShowSortButton($sort, $mailbox, 0, 1);
 823             }
 824             echo "</td>\n";
 825             break;
 826         case 4: /* subject */
 827             echo html_tag( 'td' ,'' , 'left', '', '' )
 828                  . '<b>' . _("Subject") . '</b>';
 829             if ($showsort) {
 830                 ShowSortButton($sort, $mailbox, 4, 5);
 831             }
 832             echo "</td>\n";
 833             break;
 834         case 6: /* size */
 835             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 836             break;
 837         }
 838     }
 839     echo "</tr>\n";
 840 }
 841
 842
 843 /*
 844  * This function shows the sort button. Isn't this a good comment?
 845  */
 846 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 847     global $PHP_SELF;
 848     /* Figure out which image we want to use. */
 849     if ($sort != $Up && $sort != $Down) {
 850         $img = 'sort_none.png';
 851         $which = $Up;
 852     } elseif ($sort == $Up) {
 853         $img = 'up_pointer.png';
 854         $which = $Down;
 855     } else {
 856         $img = 'down_pointer.png';
 857         $which = 6;
 858     }
 859
 860     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 861         $source_url = $regs[1];
 862     } else {
 863         $source_url = $PHP_SELF;
 864     }
 865
 866     /* Now that we have everything figured out, show the actual button. */
 867     echo ' <a href="' . $source_url .'?newsort=' . $which
 868          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 869          . '"><IMG SRC="../images/' . $img
 870          . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 871 }
 872
 873 function get_selectall_link($start_msg, $sort) {
 874     global $checkall, $what, $where, $mailbox, $javascript_on;
 875     global $PHP_SELF, $PG_SHOWNUM;
 876
 877     $result = '';
 878     if ($javascript_on) {
 879         $result = '<script language="JavaScript" type="text/javascript">'
 880                 . "\n<!-- \n"
 881                 . "function CheckAll() {\n"
 882                 . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 883                 . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 884                 . "      document.messageList.elements[i].checked = "
 885                 . "        !(document.messageList.elements[i].checked);\n"
 886                 . "    }\n"
 887                 . "  }\n"
 888                 . "}\n"
 889                 . "//-->\n"
 890                 . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 891                 . "</a>\n";
 892     } else {
 893         if (strpos($PHP_SELF, "?")) {
 894             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 895                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 896         } else {
 897             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 898                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 899         }
 900         if (isset($checkall) && $checkall == '1') {
 901             $result .= '0';
 902         } else {
 903             $result .= '1';
 904         }
 905
 906         if (isset($where) && isset($what)) {
 907             $result .= '&amp;where=' . urlencode($where)
 908                     .  '&amp;what=' . urlencode($what);
 909         }
 910         $result .= "\">";
 911
 912         if (isset($checkall) && ($checkall == '1')) {
 913             $result .= _("Unselect All");
 914         } else {
 915             $result .= _("Select All");
 916         }
 917         $result .= "</A>\n";
 918     }
 919
 920     /* Return our final result. */
 921     return ($result);
 922 }
 923
 924 /*
 925  * This function computes the "Viewing Messages..." string.
 926  */
 927 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 928     /* Compute the $msg_cnt_str. */
 929     $result = '';
 930     if ($start_msg < $end_msg) {
 931         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 932                           $start_msg, $end_msg, $num_msgs);
 933     } else if ($start_msg == $end_msg) {
 934         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 935     } else {
 936         $result = '<br>';
 937     }
 938     /* Return our result string. */
 939     return ($result);
 940 }
 941
 942 /*
 943  * Generate a paginator link.
 944  */
 945 function get_paginator_link($box, $start_msg, $use, $text) {
 946     global $PHP_SELF;
 947
 948     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 949             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 950             . "TARGET=\"right\">$text</A>";
 951     return ($result);
 952 /*
 953     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 954         $source_url = $regs[1];
 955     } else {
 956         $source_url = $PHP_SELF;
 957     }
 958
 959     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 960             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 961             . "TARGET=\"right\">$text</A>";
 962     return ($result);
 963 */
 964 }
 965
 966 /*
 967  * This function computes the paginator string.
 968  */
 969 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 970                            $show_num, $sort) {
 971     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 972
 973     /* Initialize paginator string chunks. */
 974     $prv_str = '';
 975     $nxt_str = '';
 976     $pg_str  = '';
 977     $all_str = '';
 978     $tgl_str = '';
 979
 980     $box = urlencode($box);
 981
 982     /* Create simple strings that will be creating the paginator. */
 983     $spc = '&nbsp;';     /* This will be used as a space. */
 984     $sep = '|';          /* This will be used as a seperator. */
 985
 986     /* Get some paginator preference values. */
 987     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 988     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 989
 990     /* Make sure that our start message number is not too big. */
 991     $start_msg = min($start_msg, $num_msgs);
 992
 993     /* Decide whether or not we will use the mailbox cache. */
 994     /* Not sure why $use_mailbox_cache is even passed in.   */
 995     if ($sort == 6) {
 996         $use = 0;
 997     } else {
 998         $use = 1;
 999     }
1000
1001     /* Compute the starting message of the previous and next page group. */
1002     $next_grp = $start_msg + $show_num;
1003     $prev_grp = $start_msg - $show_num;
1004
1005     /* Compute the basic previous and next strings. */
1006     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1007         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1008         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1009     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1010         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1011         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1012     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1013         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1014         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1015     }
1016
1017     /* Page selector block. Following code computes page links. */
1018     if ($pg_sel && ($num_msgs > $show_num)) {
1019         /* Most importantly, what is the current page!!! */
1020         $cur_pg = intval($start_msg / $show_num) + 1;
1021
1022         /* Compute total # of pages and # of paginator page links. */
1023         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1024         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1025
1026         /* Compute the size of the four quarters of the page links. */
1027
1028         /* If we can, just show all the pages. */
1029         if (($tot_pgs - 1) <= $pg_max) {
1030             $q1_pgs = $cur_pg - 1;
1031             $q2_pgs = $q3_pgs = 0;
1032             $q4_pgs = $tot_pgs - $cur_pg;
1033
1034         /* Otherwise, compute some magic to choose the four quarters. */
1035         } else {
1036             /*
1037              * Compute the magic base values. Added together,
1038              * these values will always equal to the $pag_pgs.
1039              * NOTE: These are DEFAULT values and do not take
1040              * the current page into account. That is below.
1041              */
1042             $q1_pgs = floor($vis_pgs/4);
1043             $q2_pgs = round($vis_pgs/4, 0);
1044             $q3_pgs = ceil($vis_pgs/4);
1045             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1046
1047             /* Adjust if the first quarter contains the current page. */
1048             if (($cur_pg - $q1_pgs) < 1) {
1049                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1050                 $q1_pgs = $cur_pg - 1;
1051                 $q2_pgs = 0;
1052                 $q3_pgs += ceil($extra_pgs / 2);
1053                 $q4_pgs += floor($extra_pgs / 2);
1054
1055             /* Adjust if the first and second quarters intersect. */
1056             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1057                 $extra_pgs = $q2_pgs;
1058                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1059                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1060                 $q3_pgs += ceil($extra_pgs / 2);
1061                 $q4_pgs += floor($extra_pgs / 2);
1062
1063             /* Adjust if the fourth quarter contains the current page. */
1064             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1065                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1066                 $q3_pgs = 0;
1067                 $q4_pgs = $tot_pgs - $cur_pg;
1068                 $q1_pgs += floor($extra_pgs / 2);
1069                 $q2_pgs += ceil($extra_pgs / 2);
1070
1071             /* Adjust if the third and fourth quarter intersect. */
1072             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1073                 $extra_pgs = $q3_pgs;
1074                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1075                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1076                 $q1_pgs += floor($extra_pgs / 2);
1077                 $q2_pgs += ceil($extra_pgs / 2);
1078             }
1079         }
1080
1081         /*
1082          * I am leaving this debug code here, commented out, because
1083          * it is a really nice way to see what the above code is doing.
1084          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1085          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1086          */
1087
1088         /* Print out the page links from the compute page quarters. */
1089
1090         /* Start with the first quarter. */
1091         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1092             $pg_str .= "...$spc";
1093         } else {
1094             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1095                 $start = (($pg-1) * $show_num) + 1;
1096                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1097             }
1098             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1099                 $pg_str .= "...$spc";
1100             }
1101         }
1102
1103         /* Continue with the second quarter. */
1104         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1105             $start = (($pg-1) * $show_num) + 1;
1106             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1107         }
1108
1109         /* Now print the current page. */
1110         $pg_str .= $cur_pg . $spc;
1111
1112         /* Next comes the third quarter. */
1113         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1114             $start = (($pg-1) * $show_num) + 1;
1115             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1116         }
1117
1118         /* And last, print the forth quarter page links. */
1119         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1120             $pg_str .= "...$spc";
1121         } else {
1122             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1123                 $pg_str .= "...$spc";
1124             }
1125             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1126                 $start = (($pg-1) * $show_num) + 1;
1127                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1128             }
1129         }
1130     } else if ($PG_SHOWNUM == 999999) {
1131         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1132                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1133                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1134     }
1135
1136     /* If necessary, compute the 'show all' string. */
1137     if (($prv_str != '') || ($nxt_str != '')) {
1138         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1139                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1140                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1141     }
1142
1143     /* Last but not least, get the value for the toggle all link. */
1144     $tgl_str = get_selectall_link($start_msg, $sort);
1145
1146     /* Put all the pieces of the paginator string together. */
1147     /**
1148      * Hairy code... But let's leave it like it is since I am not certain
1149      * a different approach would be any easier to read. ;)
1150      */
1151     $result = '';
1152     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1153     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1154     $result .= ($pg_str  != '' ? $pg_str : '');
1155     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1156     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1157
1158     /* If the resulting string is blank, return a non-breaking space. */
1159     if ($result == '') {
1160         $result = '&nbsp;';
1161     }
1162
1163     /* Return our final magical paginator string. */
1164     return ($result);
1165 }
1166
1167 function processSubject($subject) {
1168     global $languages, $squirrelmail_language;
1169     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1170     if ($subject == '')
1171         return _("(no subject)");
1172
1173     if (strlen($subject) <= 55)
1174         return $subject;
1175
1176     $ent_strlen = strlen($subject);
1177     $trim_val=50;
1178     $ent_offset=0;
1179     /*
1180      * see if this is entities-encoded string
1181      * If so, Iterate through the whole string, find out
1182      * the real number of characters, and if more
1183      * than 55, substr with an updated trim value.
1184      */
1185     while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1186             (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1187         $trim_val   += ($ent_loc_end-$ent_loc)+1;
1188         $ent_strlen -= $ent_loc_end-$ent_loc;
1189         $ent_offset  = $ent_loc_end+1;
1190     }
1191
1192     if ($ent_strlen <= 55){
1193         return $subject;
1194     }
1195
1196     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1197         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1198         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1199     }
1200
1201     return substr($subject, 0, $trim_val) . '...';
1202 }
1203
1204 function getMbxList($imapConnection) {
1205     global $lastTargetMailbox;
1206     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1207     $boxes = sqimap_mailbox_list($imapConnection);
1208     foreach ($boxes as $boxes_part) {
1209         if (!in_array('noselect', $boxes_part['flags'])) {
1210             $box = $boxes_part['unformatted'];
1211             $box2 = str_replace(' ', '&nbsp;', imap_utf7_decode_local($boxes_part['unformatted-disp']));
1212             if($box2 == 'INBOX') {
1213                 $box2 = _("INBOX");
1214             }
1215             if ($lastTargetMailbox == $box) {
1216                 echo "       <OPTION VALUE=\"$box\" SELECTED>$box2</OPTION>\n";
1217             } else {
1218                 echo "         <OPTION VALUE=\"$box\">$box2</OPTION>\n";
1219             }
1220         }
1221     }
1222     echo '         </SELECT></TT>&nbsp;';
1223 }
1224
1225 function getButton($type, $name, $value) {
1226     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1227 }
1228
1229 function getSmallStringCell($string, $align) {
1230     return html_tag('td',
1231                     '<small>' . $string . ':&nbsp; </small>',
1232                     $align,
1233                     '',
1234                     'nowrap' );
1235 }
1236
1237 function getEndMessage($start_msg, $show_num, $num_msgs) {
1238     if ($start_msg + ($show_num - 1) < $num_msgs){
1239         $end_msg = $start_msg + ($show_num - 1);
1240     } else {
1241         $end_msg = $num_msgs;
1242     }
1243
1244     if ($end_msg < $start_msg) {
1245         $start_msg = $start_msg - $show_num;
1246         if ($start_msg < 1) {
1247             $start_msg = 1;
1248         }
1249     }
1250     return (array($start_msg,$end_msg));
1251 }
1252
1253 function handleAsSent($mailbox) {
1254     global $sent_folder, $draft_folder, $handleAsSent_result;
1255
1256     /* First check if this is the sent or draft folder. */
1257     $handleAsSent_result = (($mailbox == $sent_folder)
1258                              || ($mailbox == $draft_folder));
1259
1260     /* Then check the result of the handleAsSent hook. */
1261     do_hook('check_handleAsSent_result', $mailbox);
1262
1263     /* And return the result. */
1264     return ($handleAsSent_result);
1265 }
1266 ?>