functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.php
   5  *
   6  * Copyright (c) 1999-2003 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This contains functions that display mailbox information, such as the
  10  * table row that has sender, date, subject, etc...
  11  *
  12  * $Id$
  13  */
  14
  15 require_once(SM_PATH . 'functions/strings.php');
  16 require_once(SM_PATH . 'functions/html.php');
  17 require_once(SM_PATH . 'class/html.class.php');
  18 require_once(SM_PATH . 'functions/imap_mailbox.php');
  19
  20 /* Default value for page_selector_max. */
  21 define('PG_SEL_MAX', 10);
  22
  23 function elapsed($start)
  24 {
  25    $end = microtime();
  26    list($start2, $start1) = explode(" ", $start);
  27    list($end2, $end1) = explode(" ", $end);
  28   $diff1 = $end1 - $start1;
  29    $diff2 = $end2 - $start2;
  30    if( $diff2 < 0 ){
  31        $diff1 -= 1;
  32        $diff2 += 1.0;
  33   }
  34    return $diff2 + $diff1;
  35 }
  36
  37 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  38                           $start_msg, $where, $what) {
  39     global $checkall,
  40            $color, $msgs, $msort, $td_str, $msg,
  41            $default_use_priority,
  42            $message_highlight_list,
  43            $index_order,
  44            $indent_array,   /* indent subject by */
  45            $pos,            /* Search postion (if any)  */
  46            $thread_sort_messages, /* thread sorting on/off */
  47            $server_sort_order, /* sort value when using server-sorting */
  48            $row_count,
  49            $allow_server_sort; /* enable/disable server-side sorting */
  50     $color_string = $color[4];
  51
  52     if ($GLOBALS['alt_index_colors']) {
  53         if (!isset($row_count)) {
  54             $row_count = 0;
  55         }
  56         $row_count++;
  57         if ($row_count % 2) {
  58             if (!isset($color[12])) {
  59                 $color[12] = '#EAEAEA';
  60             }
  61             $color_string = $color[12];
  62         }
  63     }
  64     $msg = $msgs[$key];
  65
  66     if($mailbox == 'None') {
  67         $boxes   = sqimap_mailbox_list($imapConnection);
  68         $mailbox = $boxes[0]['unformatted'];
  69         unset($boxes);
  70     }
  71     $urlMailbox = urlencode($mailbox);
  72
  73     if (handleAsSent($mailbox)) {
  74        $msg['FROM'] = $msg['TO'];
  75     }
  76     $msg['FROM'] = parseAddress($msg['FROM']);
  77
  78        /*
  79         * This is done in case you're looking into Sent folders,
  80         * because you can have multiple receivers.
  81         */
  82
  83     $senderNames = $msg['FROM'];
  84     $senderName  = '';
  85     if (sizeof($senderNames)){
  86         foreach ($senderNames as $senderNames_part) {
  87             if ($senderName != '') {
  88                 $senderName .= ', ';
  89             }
  90             if ($senderNames_part[1]) {
  91                 $senderName .= decodeHeader($senderNames_part[1]);
  92             } else {
  93                 $senderName .= htmlspecialchars($senderNames_part[0]);
  94             }
  95         }
  96     }
  97
  98     $msg['SUBJECT'] = decodeHeader($msg['SUBJECT']);
  99     $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
 100
 101     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
 102
 103     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
 104         $flag = "<font color=\"$color[2]\">";
 105         $flag_end = '</font>';
 106     } else {
 107         $flag = '';
 108         $flag_end = '';
 109     }
 110     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
 111         $bold = '<b>';
 112         $bold_end = '</b>';
 113     } else {
 114         $bold = '';
 115         $bold_end = '';
 116     }
 117     if (handleAsSent($mailbox)) {
 118         $italic = '<i>';
 119         $italic_end = '</i>';
 120     } else {
 121         $italic = '';
 122         $italic_end = '';
 123     }
 124     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 125         $fontstr = "<font color=\"$color[9]\">";
 126         $fontstr_end = '</font>';
 127     } else {
 128         $fontstr = '';
 129         $fontstr_end = '';
 130     }
 131
 132     if ($where && $what) {
 133         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 134     } else {
 135         $searchstr = '';
 136     }
 137
 138     if (is_array($message_highlight_list) && count($message_highlight_list)) {
 139         $msg['TO'] = parseAddress($msg['TO']);
 140         $msg['CC'] = parseAddress($msg['CC']);
 141         foreach ($message_highlight_list as $message_highlight_list_part) {
 142             if (trim($message_highlight_list_part['value']) != '') {
 143                 $high_val   = strtolower($message_highlight_list_part['value']);
 144                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 145                 if($match_type == 'TO_CC') {
 146                     $match = array('TO', 'CC');
 147                 } else {
 148                     $match = array($match_type);
 149                 }
 150                 foreach($match as $match_type) {
 151                     switch($match_type) {
 152                         case('TO'):
 153                         case('CC'):
 154                         case('FROM'):
 155                             foreach ($msg[$match_type] as $address) {
 156                                 $address[0] = decodeHeader($address[0]);
 157                                 $address[1] = decodeHeader($address[1]);
 158                                 if (strstr('^^' . strtolower($address[0]), $high_val) ||
 159                                     strstr('^^' . strtolower($address[1]), $high_val)) {
 160                                     $hlt_color = $message_highlight_list_part['color'];
 161                                     break 4;
 162                                 }
 163                             }
 164                             break;
 165                         default:
 166                             if (strstr('^^' . strtolower($msg[$match_type]), $high_val)) {
 167                                 $hlt_color = $message_highlight_list_part['color'];
 168                                 break 3;
 169                             }
 170                             break;
 171                     }
 172                 }
 173             }
 174         }
 175     }
 176
 177     if (!isset($hlt_color)) {
 178         $hlt_color = $color_string;
 179     }
 180     $checked = ($checkall == 1) ? ' CHECKED' : '';
 181     $col = 0;
 182     if (sizeof($index_order)) {
 183         foreach ($index_order as $index_order_part) {
 184             switch ($index_order_part) {
 185             case 1: /* checkbox */
 186                 echo html_tag( 'td',
 187                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 188                                'center',
 189                                $hlt_color );
 190                 break;
 191             case 2: /* from */
 192                 echo html_tag( 'td',
 193                                $italic . $bold . $flag . $fontstr . $senderName .
 194                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 195                                'left',
 196                                $hlt_color );
 197                 break;
 198             case 3: /* date */
 199                 $date_string = $msg['DATE_STRING'] . '';
 200                 if ($date_string == '') {
 201                     $date_string = _("Unknown date");
 202                 }
 203                 echo html_tag( 'td',
 204                                $bold . $flag . $fontstr . $date_string .
 205                                $fontstr_end . $flag_end . $bold_end,
 206                                'center',
 207                                $hlt_color,
 208                                'nowrap' );
 209                 break;
 210             case 4: /* subject */
 211                 $td_str = $bold;
 212                 if ($thread_sort_messages == 1) {
 213                     if (isset($indent_array[$msg['ID']])) {
 214                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 215                     }
 216                 }
 217                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 218                         .  '&amp;passed_id='. $msg["ID"]
 219                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 220                 $td_str .= ' ' .concat_hook_function('subject_link');
 221                 if ($subject != $msg['SUBJECT']) {
 222                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 223                     $title = array_flip($title);
 224                     $title = strtr($msg['SUBJECT'], $title);
 225                     $title = str_replace('"', "''", $title);
 226                     $td_str .= " title=\"$title\"";
 227                 }
 228                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 229                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 230                 break;
 231             case 5: /* flags */
 232                 $stuff = false;
 233                 $td_str = "<b><small>";
 234
 235                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 236                     $td_str .= _("A");
 237                     $stuff = true;
 238                 }
 239                 if ($msg['TYPE0'] == 'multipart') {
 240                     $td_str .= '+';
 241                     $stuff = true;
 242                 }
 243                 if ($default_use_priority) {
 244                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 245                         $td_str .= "<font color=\"$color[1]\">!</font>";
 246                         $stuff = true;
 247                     }
 248                     if ($msg['PRIORITY'] == 5) {
 249                         $td_str .= "<font color=\"$color[8]\">?</font>";
 250                         $stuff = true;
 251                     }
 252                 }
 253                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 254                     $td_str .= "<font color=\"$color[1]\">D</font>";
 255                     $stuff = true;
 256                 }
 257                 if (!$stuff) {
 258                     $td_str .= '&nbsp;';
 259                 }
 260                 do_hook("msg_envelope");
 261                 $td_str .= '</small></b>';
 262                 echo html_tag( 'td',
 263                                $td_str,
 264                                'center',
 265                                $hlt_color,
 266                                'nowrap' );
 267                 break;
 268             case 6: /* size */
 269                 echo html_tag( 'td',
 270                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 271                                $fontstr_end . $bold_end,
 272                                'right',
 273                                $hlt_color );
 274                 break;
 275             }
 276             ++$col;
 277         }
 278     }
 279     if ($not_last) {
 280         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 281              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 282     } else {
 283         echo '</tr>'."\n";
 284     }
 285 }
 286
 287 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 288     if ($id != 'no') {
 289         $id = array_slice($id, ($start_msg-1), $show_num);
 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,$show_num);
 299     } else {
 300         return false;
 301     }
 302 }
 303
 304 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 305     $id = get_thread_sort($imapConnection);
 306     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 307 }
 308
 309 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 310                                $num_msgs, $server_sort_order, $mbxresponse) {
 311     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 312     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 313 }
 314
 315 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 316                               $num_msgs, $sort, $mbxresponse) {
 317     $msgs = array();
 318     if ($num_msgs >= 1) {
 319         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 320         if ($sort < 6 ) {
 321             $end = $num_msgs;
 322             $end_loop = $end;
 323         } else {
 324             /* if it's not sorted */
 325             if ($start_msg + ($show_num - 1) < $num_msgs) {
 326                 $end_msg = $start_msg + ($show_num - 1);
 327             } else {
 328                 $end_msg = $num_msgs;
 329             }
 330             if ($end_msg < $start_msg) {
 331                 $start_msg = $start_msg - $show_num;
 332                 if ($start_msg < 1) {
 333                     $start_msg = 1;
 334                 }
 335             }
 336             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 337             $end = $start_msg + $show_num - 1;
 338             if ($num_msgs < $show_num) {
 339                 $end_loop = $num_msgs;
 340             } else if ($end > $num_msgs) {
 341                 $end_loop = $num_msgs - $start_msg + 1;
 342             } else {
 343                 $end_loop = $show_num;
 344             }
 345         }
 346         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 347     }
 348     return $msgs;
 349 }
 350
 351
 352
 353 /*
 354  * This function loops through a group of messages in the mailbox
 355  * and shows them to the user.
 356  */
 357 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 358                                 $start_msg, $sort, $color, $show_num,
 359                                 $use_cache, $mode='') {
 360     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 361            $allow_server_sort, $server_sort_order;
 362
 363     /*
 364      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 365      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 366      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 367      */
 368
 369     if (!isset($msort)) {
 370         $msort = array();
 371     }
 372
 373     if (!isset($msgs)) {
 374         $msgs = array();
 375     }
 376
 377     //$start = microtime();
 378     /* If autoexpunge is turned on, then do it now. */
 379     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 380     $srt = $sort;
 381     /* If autoexpunge is turned on, then do it now. */
 382     if ($auto_expunge == true) {
 383         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 384         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 385         $num_msgs = $mbxresponse['EXISTS'];
 386     }
 387
 388     if ($mbxresponse['EXISTS'] > 0) {
 389         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 390          * in the last page. We need to re-adjust the start_msg
 391          */
 392
 393         if($start_msg > $num_msgs) {
 394             $start_msg -= $show_num;
 395             if($start_msg < 1) {
 396                 $start_msg = 1;
 397             }
 398         }
 399
 400         /* This code and the next if() block check for
 401          * server-side sorting methods. The $id array is
 402          * formatted and $sort is set to 6 to disable
 403          * SM internal sorting
 404          */
 405
 406         if ($thread_sort_messages == 1) {
 407             $mode = 'thread';
 408         } elseif ($allow_server_sort == 1) {
 409             $mode = 'serversort';
 410         } else {
 411             $mode = '';
 412         }
 413
 414         sqsession_unregister('msort');
 415         sqsession_unregister('msgs');
 416         switch ($mode) {
 417             case 'thread':
 418                 $id   = get_thread_sort($imapConnection);
 419                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 420                 if ($msgs === false) {
 421                     echo '<b><small><center><font color=red>' .
 422                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 423                          '</center></small></b>';
 424                     $thread_sort_messages = 0;
 425                     $msort = $msgs = array();
 426                 } else {
 427                     $msort= $msgs;
 428                     $sort = 6;
 429                 }
 430                 break;
 431             case 'serversort':
 432                 $id   = sqimap_get_sort_order($imapConnection, $sort, $mbxresponse);
 433                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 434                 if ($msgs === false) {
 435                     echo '<b><small><center><font color=red>' .
 436                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 437                          '</center></small></b>';
 438                     $sort = $server_sort_order;
 439                     $allow_server_sort = FALSE;
 440                     $msort = $msgs = array();
 441                     $id = array();
 442                 } else {
 443                     $msort = $msgs;
 444                     $sort = 6;
 445                 }
 446                 break;
 447             default:
 448                 if (!$use_cache) {
 449                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 450                                                 $num_msgs, $sort, $mbxresponse);
 451                     $msort = calc_msort($msgs, $sort);
 452                 } /* !use cache */
 453                 break;
 454         } // switch
 455         sqsession_register($msort, 'msort');
 456         sqsession_register($msgs,  'msgs');
 457     } /* if exists > 0 */
 458
 459     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 460     $start_msg = $res[0];
 461     $end_msg   = $res[1];
 462
 463     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 464                                        $num_msgs, $show_num, $sort);
 465
 466     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 467
 468     do_hook('mailbox_index_before');
 469     echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
 470     echo '<tr><td>';
 471
 472     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 473                                   $msg_cnt_str, $paginator_str, $start_msg);
 474     echo '</td></tr>';
 475     /* line between the button area and the list */
 476     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 477
 478     echo '<tr><td>';
 479     echo '    <table width="100%" cellpadding="1" cellspacing="0" align="center"'.' border="0" bgcolor="'.$color[9].'">';
 480     echo '     <tr><td>';
 481     echo '       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="'.$color[5].'">';
 482     echo '<tr><td>';
 483     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 484
 485     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 486                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 487     echo '</td></tr></table></td></tr></table>';
 488
 489     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 490     echo '</td></tr></table>';
 491     //$t = elapsed($start);
 492     //echo("elapsed time = $t seconds\n");
 493 }
 494
 495 function calc_msort($msgs, $sort) {
 496
 497     /*
 498      * 0 = Date (up)
 499      * 1 = Date (dn)
 500      * 2 = Name (up)
 501      * 3 = Name (dn)
 502      * 4 = Subject (up)
 503      * 5 = Subject (dn)
 504      */
 505
 506     if (($sort == 0) || ($sort == 1)) {
 507         foreach ($msgs as $item) {
 508             $msort[] = $item['TIME_STAMP'];
 509         }
 510     } elseif (($sort == 2) || ($sort == 3)) {
 511         foreach ($msgs as $item) {
 512             $msort[] = $item['FROM-SORT'];
 513         }
 514     } elseif (($sort == 4) || ($sort == 5)) {
 515         foreach ($msgs as $item) {
 516             $msort[] = $item['SUBJECT-SORT'];
 517         }
 518     } else {
 519         $msort = $msgs;
 520     }
 521     if ($sort < 6) {
 522         if ($sort % 2) {
 523             asort($msort);
 524         } else {
 525             arsort($msort);
 526         }
 527     }
 528     return $msort;
 529 }
 530
 531 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 532     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 533 }
 534
 535
 536 /* Generic function to convert the msgs array into an HTML table. */
 537 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 538                              $msort, $mailbox, $sort, $color,
 539                              $show_num, $where=0, $what=0) {
 540     global $imapServerAddress, $use_mailbox_cache, $index_order,
 541            $indent_array, $thread_sort_messages, $allow_server_sort,
 542            $server_sort_order, $PHP_SELF;
 543
 544     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 545     $start_msg = $res[0];
 546     $end_msg   = $res[1];
 547
 548     $urlMailbox = urlencode($mailbox);
 549
 550     /* get indent level for subject display */
 551     if ($thread_sort_messages == 1 && $num_msgs) {
 552         $indent_array = get_parent_level($imapConnection);
 553     }
 554
 555     $real_startMessage = $start_msg;
 556     if ($sort == 6) {
 557         if ($end_msg - $start_msg < $show_num - 1) {
 558             $end_msg = $end_msg - $start_msg + 1;
 559             $start_msg = 1;
 560         } else if ($start_msg > $show_num) {
 561             $end_msg = $show_num;
 562             $start_msg = 1;
 563         }
 564     }
 565     $endVar = $end_msg + 1;
 566
 567     /*
 568      * Loop through and display the info for each message.
 569      * ($t is used for the checkbox number)
 570      */
 571     $t = 0;
 572
 573     /* messages display */
 574
 575     if (!$num_msgs) {
 576     /* if there's no messages in this folder */
 577         echo html_tag( 'tr',
 578                 html_tag( 'td',
 579                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 580                           'center',
 581                           $color[4],
 582                           'COLSPAN="' . count($index_order) . '"'
 583                 )
 584         );
 585     } elseif ($start_msg == $end_msg) {
 586     /* if there's only one message in the box, handle it differently. */
 587         if ($sort != 6) {
 588             $i = $start_msg;
 589         } else {
 590             $i = 1;
 591         }
 592         reset($msort);
 593         $k = 0;
 594         do {
 595             $key = key($msort);
 596             next($msort);
 597             $k++;
 598         } while (isset ($key) && ($k < $i));
 599         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 600                          $real_startMessage, $where, $what);
 601     } else {
 602         $i = $start_msg;
 603         reset($msort);
 604         $k = 0;
 605         do {
 606             $key = key($msort);
 607             next($msort);
 608             $k++;
 609         } while (isset ($key) && ($k < $i));
 610         $not_last = true;
 611         do {
 612             if (!$i || $i == $endVar-1) $not_last = false;
 613                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 614                                  $real_startMessage, $where, $what);
 615             $key = key($msort);
 616             $t++;
 617             $i++;
 618             next($msort);
 619         } while ($i && $i < $endVar);
 620     }
 621 }
 622
 623 /*
 624  * Displays the standard message list header. To finish the table,
 625  * you need to do a "</table></table>";
 626  *
 627  * $moveURL is the URL to submit the delete/move form to
 628  * $mailbox is the current mailbox
 629  * $sort is the current sorting method (-1 for no sorting available [searches])
 630  * $Message is a message that is centered on top of the list
 631  * $More is a second line that is left aligned
 632  */
 633
 634 function mail_message_listing_beginning ($imapConnection,
 635                                          $mailbox = '', $sort = -1,
 636                                          $msg_cnt_str = '',
 637                                          $paginator = '&nbsp;',
 638                                          $start_msg = 1) {
 639     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 640            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 641            $PHP_SELF;
 642
 643     $php_self = $PHP_SELF;
 644     /* fix for incorrect $PHP_SELF */
 645     if (strpos($php_self, 'move_messages.php')) {
 646         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 647     }
 648     $urlMailbox = urlencode($mailbox);
 649
 650     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 651         $source_url = $regs[1];
 652     } else {
 653         $source_url = $php_self;
 654     }
 655
 656     if (!isset($msg)) {
 657         $msg = '';
 658     }
 659     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 660                   '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 661                   '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">';
 662
 663 //    $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 664 //             . "&amp;startMessage=$start_msg";
 665     /*
 666      * This is the beginning of the message list table.
 667      * It wraps around all messages
 668      */
 669     echo '<form name="messageList" method="post" action="move_messages.php">' ."\n"
 670         . $moveFields
 671         . html_tag( 'table' ,
 672             html_tag( 'tr',
 673                 html_tag( 'td' ,
 674                     html_tag( 'table' ,
 675                         html_tag( 'tr',
 676                             html_tag( 'td', $paginator, 'left' ) .
 677                             html_tag( 'td', $msg_cnt_str, 'right' )
 678                         )
 679                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 680                 , 'left', '', '' )
 681             , '', $color[0] )
 682             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 683         /* line between header and button area */
 684         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 685
 686         echo '<tr><td>';
 687         echo html_tag( 'tr' ) . "\n"
 688         . html_tag( 'td' ,'' , 'left', '', '' )
 689          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 690           . '<tr><td>'
 691            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 692             . html_tag( 'tr',
 693                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 694                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 695             )
 696             . html_tag( 'tr' ) ."\n"
 697             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 698             getMbxList($imapConnection);
 699             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 700             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 701
 702   echo "      </TD>\n"
 703          . html_tag( 'td', '', 'right', '', 'nowrap' );
 704
 705
 706
 707     if (!$auto_expunge) {
 708         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 709              .'&nbsp;' . _("mailbox") . "\n";
 710     }
 711
 712     echo getButton('SUBMIT', 'markRead',_("Read"));
 713     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 714     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp;\n";
 715     if (!strpos($php_self,'mailbox')) {
 716         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 717     } else {
 718         $location = $php_self;
 719     }
 720     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 721     echo "</TD>\n"
 722          . "   </TR>\n";
 723
 724     /* draws thread sorting links */
 725     if ($allow_thread_sort == TRUE) {
 726         if ($thread_sort_messages == 1 ) {
 727             $set_thread = 2;
 728             $thread_name = _("Unthread View");
 729         } elseif ($thread_sort_messages == 0) {
 730             $set_thread = 1;
 731             $thread_name = _("Thread View");
 732         }
 733         echo html_tag( 'tr' ,
 734                     html_tag( 'td' ,
 735                               '&nbsp;<a href=' . $source_url . '?sort='
 736                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 737                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 738                               . '</a></small>&nbsp;'
 739                      , '', '', '' )
 740                  , '', '', '' );
 741     }
 742
 743     echo "</TABLE></td></tr></table></td></tr>\n";
 744
 745     do_hook('mailbox_form_before');
 746
 747     /* if using server sort we highjack the
 748      * the $sort var and use $server_sort_order
 749      * instead. but here we reset sort for a bit
 750      * since its easy
 751      */
 752     if ($allow_server_sort == TRUE) {
 753         $sort = $server_sort_order;
 754     }
 755 }
 756
 757 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 758   if ($num_msgs) {
 759     /* space between list and footer */
 760     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 761
 762     echo '</td></tr><tr><td>';
 763     echo html_tag( 'table',
 764             html_tag( 'tr',
 765                 html_tag( 'td',
 766                     html_tag( 'table',
 767                         html_tag( 'tr',
 768                             html_tag( 'td', $paginator_str ) .
 769                             html_tag( 'td', $msg_cnt_str, 'right' )
 770                         )
 771                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 772                 )
 773             )
 774         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 775     echo '</td></tr>';
 776   }
 777     /* End of message-list table */
 778
 779     do_hook('mailbox_index_after');
 780     echo "</FORM>\n";
 781 }
 782
 783 function printHeader($mailbox, $sort, $color, $showsort=true) {
 784     global $index_order;
 785     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 786
 787     /* calculate the width of the subject column based on the
 788      * widths of the other columns */
 789     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 790     $subjectwidth = 100;
 791     foreach($index_order as $item) {
 792         $subjectwidth -= $widths[$item];
 793     }
 794
 795     foreach ($index_order as $item) {
 796         switch ($item) {
 797         case 1: /* checkbox */
 798         case 5: /* flags */
 799             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 800             break;
 801         case 2: /* from */
 802             if (handleAsSent($mailbox)) {
 803                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 804                      . '<b>' . _("To") . '</b>';
 805             } else {
 806                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 807                      . '<b>' . _("From") . '</b>';
 808             }
 809             if ($showsort) {
 810                 ShowSortButton($sort, $mailbox, 2, 3);
 811             }
 812             echo "</td>\n";
 813             break;
 814         case 3: /* date */
 815             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 816                  . '<b>' . _("Date") . '</b>';
 817             if ($showsort) {
 818                 ShowSortButton($sort, $mailbox, 0, 1);
 819             }
 820             echo "</td>\n";
 821             break;
 822         case 4: /* subject */
 823             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 824                  . '<b>' . _("Subject") . '</b>';
 825             if ($showsort) {
 826                 ShowSortButton($sort, $mailbox, 4, 5);
 827             }
 828             echo "</td>\n";
 829             break;
 830         case 6: /* size */
 831             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 832             break;
 833         }
 834     }
 835     echo "</tr>\n";
 836 }
 837
 838
 839 /*
 840  * This function shows the sort button. Isn't this a good comment?
 841  */
 842 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 843     global $PHP_SELF;
 844     /* Figure out which image we want to use. */
 845     if ($sort != $Up && $sort != $Down) {
 846         $img = 'sort_none.png';
 847         $which = $Up;
 848     } elseif ($sort == $Up) {
 849         $img = 'up_pointer.png';
 850         $which = $Down;
 851     } else {
 852         $img = 'down_pointer.png';
 853         $which = 6;
 854     }
 855
 856     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 857         $source_url = $regs[1];
 858     } else {
 859         $source_url = $PHP_SELF;
 860     }
 861
 862     /* Now that we have everything figured out, show the actual button. */
 863     echo ' <a href="' . $source_url .'?newsort=' . $which
 864          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 865          . '"><IMG SRC="../images/' . $img
 866          . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 867 }
 868
 869 function get_selectall_link($start_msg, $sort) {
 870     global $checkall, $what, $where, $mailbox, $javascript_on;
 871     global $PHP_SELF, $PG_SHOWNUM;
 872
 873     $result = '';
 874     if ($javascript_on) {
 875         $result = '<script language="JavaScript" type="text/javascript">'
 876                 . "\n<!-- \n"
 877                 . "function CheckAll() {\n"
 878                 . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 879                 . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 880                 . "      document.messageList.elements[i].checked = "
 881                 . "        !(document.messageList.elements[i].checked);\n"
 882                 . "    }\n"
 883                 . "  }\n"
 884                 . "}\n"
 885                 . "//-->\n"
 886                 . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 887                 . "</a>\n";
 888     } else {
 889         if (strpos($PHP_SELF, "?")) {
 890             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 891                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 892         } else {
 893             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 894                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 895         }
 896         if (isset($checkall) && $checkall == '1') {
 897             $result .= '0';
 898         } else {
 899             $result .= '1';
 900         }
 901
 902         if (isset($where) && isset($what)) {
 903             $result .= '&amp;where=' . urlencode($where)
 904                     .  '&amp;what=' . urlencode($what);
 905         }
 906         $result .= "\">";
 907
 908         if (isset($checkall) && ($checkall == '1')) {
 909             $result .= _("Unselect All");
 910         } else {
 911             $result .= _("Select All");
 912         }
 913         $result .= "</A>\n";
 914     }
 915
 916     /* Return our final result. */
 917     return ($result);
 918 }
 919
 920 /*
 921  * This function computes the "Viewing Messages..." string.
 922  */
 923 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 924     /* Compute the $msg_cnt_str. */
 925     $result = '';
 926     if ($start_msg < $end_msg) {
 927         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 928                           $start_msg, $end_msg, $num_msgs);
 929     } else if ($start_msg == $end_msg) {
 930         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 931     } else {
 932         $result = '<br>';
 933     }
 934     /* Return our result string. */
 935     return ($result);
 936 }
 937
 938 /*
 939  * Generate a paginator link.
 940  */
 941 function get_paginator_link($box, $start_msg, $use, $text) {
 942     global $PHP_SELF;
 943
 944     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 945             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 946             . "TARGET=\"right\">$text</A>";
 947     return ($result);
 948 /*
 949     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 950         $source_url = $regs[1];
 951     } else {
 952         $source_url = $PHP_SELF;
 953     }
 954
 955     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 956             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 957             . "TARGET=\"right\">$text</A>";
 958     return ($result);
 959 */
 960 }
 961
 962 /*
 963  * This function computes the paginator string.
 964  */
 965 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 966                            $show_num, $sort) {
 967     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 968
 969     /* Initialize paginator string chunks. */
 970     $prv_str = '';
 971     $nxt_str = '';
 972     $pg_str  = '';
 973     $all_str = '';
 974     $tgl_str = '';
 975
 976     $box = urlencode($box);
 977
 978     /* Create simple strings that will be creating the paginator. */
 979     $spc = '&nbsp;';     /* This will be used as a space. */
 980     $sep = '|';          /* This will be used as a seperator. */
 981
 982     /* Get some paginator preference values. */
 983     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 984     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 985
 986     /* Make sure that our start message number is not too big. */
 987     $start_msg = min($start_msg, $num_msgs);
 988
 989     /* Decide whether or not we will use the mailbox cache. */
 990     /* Not sure why $use_mailbox_cache is even passed in.   */
 991     if ($sort == 6) {
 992         $use = 0;
 993     } else {
 994         $use = 1;
 995     }
 996
 997     /* Compute the starting message of the previous and next page group. */
 998     $next_grp = $start_msg + $show_num;
 999     $prev_grp = $start_msg - $show_num;
1000
1001     /* Compute the basic previous and next strings. */
1002     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1003         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1004         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1005     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1006         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1007         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1008     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1009         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1010         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1011     }
1012
1013     /* Page selector block. Following code computes page links. */
1014     if ($pg_sel && ($num_msgs > $show_num)) {
1015         /* Most importantly, what is the current page!!! */
1016         $cur_pg = intval($start_msg / $show_num) + 1;
1017
1018         /* Compute total # of pages and # of paginator page links. */
1019         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1020         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1021
1022         /* Compute the size of the four quarters of the page links. */
1023
1024         /* If we can, just show all the pages. */
1025         if (($tot_pgs - 1) <= $pg_max) {
1026             $q1_pgs = $cur_pg - 1;
1027             $q2_pgs = $q3_pgs = 0;
1028             $q4_pgs = $tot_pgs - $cur_pg;
1029
1030         /* Otherwise, compute some magic to choose the four quarters. */
1031         } else {
1032             /*
1033              * Compute the magic base values. Added together,
1034              * these values will always equal to the $pag_pgs.
1035              * NOTE: These are DEFAULT values and do not take
1036              * the current page into account. That is below.
1037              */
1038             $q1_pgs = floor($vis_pgs/4);
1039             $q2_pgs = round($vis_pgs/4, 0);
1040             $q3_pgs = ceil($vis_pgs/4);
1041             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1042
1043             /* Adjust if the first quarter contains the current page. */
1044             if (($cur_pg - $q1_pgs) < 1) {
1045                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1046                 $q1_pgs = $cur_pg - 1;
1047                 $q2_pgs = 0;
1048                 $q3_pgs += ceil($extra_pgs / 2);
1049                 $q4_pgs += floor($extra_pgs / 2);
1050
1051             /* Adjust if the first and second quarters intersect. */
1052             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1053                 $extra_pgs = $q2_pgs;
1054                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1055                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1056                 $q3_pgs += ceil($extra_pgs / 2);
1057                 $q4_pgs += floor($extra_pgs / 2);
1058
1059             /* Adjust if the fourth quarter contains the current page. */
1060             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1061                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1062                 $q3_pgs = 0;
1063                 $q4_pgs = $tot_pgs - $cur_pg;
1064                 $q1_pgs += floor($extra_pgs / 2);
1065                 $q2_pgs += ceil($extra_pgs / 2);
1066
1067             /* Adjust if the third and fourth quarter intersect. */
1068             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1069                 $extra_pgs = $q3_pgs;
1070                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1071                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1072                 $q1_pgs += floor($extra_pgs / 2);
1073                 $q2_pgs += ceil($extra_pgs / 2);
1074             }
1075         }
1076
1077         /*
1078          * I am leaving this debug code here, commented out, because
1079          * it is a really nice way to see what the above code is doing.
1080          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1081          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1082          */
1083
1084         /* Print out the page links from the compute page quarters. */
1085
1086         /* Start with the first quarter. */
1087         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1088             $pg_str .= "...$spc";
1089         } else {
1090             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1091                 $start = (($pg-1) * $show_num) + 1;
1092                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1093             }
1094             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1095                 $pg_str .= "...$spc";
1096             }
1097         }
1098
1099         /* Continue with the second quarter. */
1100         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1101             $start = (($pg-1) * $show_num) + 1;
1102             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1103         }
1104
1105         /* Now print the current page. */
1106         $pg_str .= $cur_pg . $spc;
1107
1108         /* Next comes the third quarter. */
1109         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1110             $start = (($pg-1) * $show_num) + 1;
1111             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1112         }
1113
1114         /* And last, print the forth quarter page links. */
1115         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1116             $pg_str .= "...$spc";
1117         } else {
1118             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1119                 $pg_str .= "...$spc";
1120             }
1121             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1122                 $start = (($pg-1) * $show_num) + 1;
1123                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1124             }
1125         }
1126     } else if ($PG_SHOWNUM == 999999) {
1127         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1128                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1129                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1130     }
1131
1132     /* If necessary, compute the 'show all' string. */
1133     if (($prv_str != '') || ($nxt_str != '')) {
1134         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1135                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1136                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1137     }
1138
1139     /* Last but not least, get the value for the toggle all link. */
1140     $tgl_str = get_selectall_link($start_msg, $sort);
1141
1142     /* Put all the pieces of the paginator string together. */
1143     /**
1144      * Hairy code... But let's leave it like it is since I am not certain
1145      * a different approach would be any easier to read. ;)
1146      */
1147     $result = '';
1148     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1149     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1150     $result .= ($pg_str  != '' ? $pg_str : '');
1151     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1152     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1153
1154     /* If the resulting string is blank, return a non-breaking space. */
1155     if ($result == '') {
1156         $result = '&nbsp;';
1157     }
1158
1159     /* Return our final magical paginator string. */
1160     return ($result);
1161 }
1162
1163 function processSubject($subject, $threadlevel = 0) {
1164     global $languages, $squirrelmail_language;
1165     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1166     if ($subject == '')
1167         return _("(no subject)");
1168
1169     $trim_at = 55;
1170
1171     /* if this is threaded, subtract two chars per indentlevel */
1172     if($threadlevel > 0 && $threadlevel <= 10)
1173         $trim_at -= (2*$threadlevel);
1174
1175     if (strlen($subject) <= $trim_at)
1176         return $subject;
1177
1178     $ent_strlen = $orig_len = strlen($subject);
1179     $trim_val = $trim_at - 5;
1180     $ent_offset = 0;
1181     /*
1182      * see if this is entities-encoded string
1183      * If so, Iterate through the whole string, find out
1184      * the real number of characters, and if more
1185      * than 55, substr with an updated trim value.
1186      */
1187     $step = $ent_loc = 0;
1188     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1189             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1190         $trim_val += ($ent_loc_end-$ent_loc);
1191         $ent_offset  = $ent_loc_end+1;
1192         ++$step;
1193     }
1194
1195     if (($trim_val > 50) && (strlen($subject) > ($trim_val))&& (strpos($subject,';',$trim_val) < ($trim_val +6))) {
1196         $i = strpos($subject,';',$trim_val);
1197         if ($i) {
1198             $trim_val = strpos($subject,';',$trim_val);
1199         }
1200     }
1201     if ($ent_strlen <= $trim_at){
1202         return $subject;
1203     }
1204
1205     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1206         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1207         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1208     }
1209     return substr($subject, 0, $trim_val) . '...';
1210 }
1211
1212 function getMbxList($imapConnection) {
1213     global $lastTargetMailbox;
1214     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1215     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)) );
1216     echo '         </SELECT></TT>&nbsp;';
1217 }
1218
1219 function getButton($type, $name, $value) {
1220     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1221 }
1222
1223 function getSmallStringCell($string, $align) {
1224     return html_tag('td',
1225                     '<small>' . $string . ':&nbsp; </small>',
1226                     $align,
1227                     '',
1228                     'nowrap' );
1229 }
1230
1231 function getEndMessage($start_msg, $show_num, $num_msgs) {
1232     if ($start_msg + ($show_num - 1) < $num_msgs){
1233         $end_msg = $start_msg + ($show_num - 1);
1234     } else {
1235         $end_msg = $num_msgs;
1236     }
1237
1238     if ($end_msg < $start_msg) {
1239         $start_msg = $start_msg - $show_num;
1240         if ($start_msg < 1) {
1241             $start_msg = 1;
1242         }
1243     }
1244     return (array($start_msg,$end_msg));
1245 }
1246
1247 function handleAsSent($mailbox) {
1248     global $handleAsSent_result;
1249
1250     /* First check if this is the sent or draft folder. */
1251     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1252
1253     /* Then check the result of the handleAsSent hook. */
1254     do_hook('check_handleAsSent_result', $mailbox);
1255
1256     /* And return the result. */
1257     return $handleAsSent_result;
1258 }
1259
1260 ?>