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 require_once(SM_PATH . 'functions/imap_messages.php');
  20 require_once(SM_PATH . 'functions/mime.php');
  21
  22 /* Constants:
  23  *   PG_SEL_MAX:   default value for page_selector_max
  24  *   SUBJ_TRIM_AT: the length at which we trim off subjects
  25  */
  26 define('PG_SEL_MAX', 10);
  27 define('SUBJ_TRIM_AT', 55);
  28
  29 function elapsed($start)
  30 {
  31    $end = microtime();
  32    list($start2, $start1) = explode(" ", $start);
  33    list($end2, $end1) = explode(" ", $end);
  34   $diff1 = $end1 - $start1;
  35    $diff2 = $end2 - $start2;
  36    if( $diff2 < 0 ){
  37        $diff1 -= 1;
  38        $diff2 += 1.0;
  39   }
  40    return $diff2 + $diff1;
  41 }
  42
  43 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  44                           $start_msg, $where, $what) {
  45     global $checkall,
  46            $color, $msgs, $msort, $td_str, $msg,
  47            $default_use_priority,
  48            $message_highlight_list,
  49            $index_order,
  50            $indent_array,         /* indent subject by */
  51            $pos,                  /* Search postion (if any)  */
  52            $thread_sort_messages, /* thread sorting on/off */
  53            $server_sort_order,    /* sort value when using server-sorting */
  54            $row_count,
  55            $allow_server_sort,    /* enable/disable server-side sorting */
  56            $truncate_sender,      /* number of characters for From/To field (<= 0 for unchanged) */
  57            $email_address;
  58
  59     $color_string = $color[4];
  60
  61     if ($GLOBALS['alt_index_colors']) {
  62         if (!isset($row_count)) {
  63             $row_count = 0;
  64         }
  65         $row_count++;
  66         if ($row_count % 2) {
  67             if (!isset($color[12])) {
  68                 $color[12] = '#EAEAEA';
  69             }
  70             $color_string = $color[12];
  71         }
  72     }
  73     $msg = $msgs[$key];
  74
  75     if($mailbox == 'None') {
  76         $boxes   = sqimap_mailbox_list($imapConnection);
  77         $mailbox = $boxes[0]['unformatted'];
  78         unset($boxes);
  79     }
  80     $urlMailbox = urlencode($mailbox);
  81
  82     $bSentFolder = handleAsSent($mailbox);
  83     // If the From address is the same as $email_address, then handle as Sent
  84     $from_array = parseAddress($msg['FROM'], 1);
  85     if (!isset($email_address)) {
  86         global $datadir, $username;
  87         $email_address = getPref($datadir, $username, 'email_address');
  88     }
  89     $bHandleAsSent = ($bSentFolder) || ((isset($from_array[0][0])) && ($from_array[0][0] == $email_address));
  90     // If this is a Sent message, display To address instead of From
  91     if ($bHandleAsSent)
  92        $msg['FROM'] = $msg['TO'];
  93     // Passing 1 below results in only 1 address being parsed, thus defeating the following code
  94     $msg['FROM'] = parseAddress($msg['FROM']/*,1*/);
  95
  96        /*
  97         * This is done in case you're looking into Sent folders,
  98         * because you can have multiple receivers.
  99         */
 100     $senderNames = $msg['FROM'];
 101     $senderName  = '';
 102     $senderAddress = '';
 103     if (sizeof($senderNames)){
 104         foreach ($senderNames as $senderNames_part) {
 105             if ($senderName != '') {
 106                 $senderName .= ', ';
 107                 $senderAddress .= ', ';
 108             }
 109             $sender_address_part = htmlspecialchars($senderNames_part[0]);
 110             $sender_name_part = str_replace('&nbsp;',' ', decodeHeader($senderNames_part[1]));
 111             if ($sender_name_part) {
 112                 $senderName .= $sender_name_part;
 113                 $senderAddress .= $sender_name_part . ' <' . $sender_address_part . '>';
 114             } else {
 115                 $senderName .= $sender_address_part;
 116                 $senderAddress .= $sender_address_part;
 117             }
 118         }
 119     }
 120     // If Sent, prefix with To: but only if not Sent folder
 121     if ($bHandleAsSent ^ $bSentFolder) {
 122         $senderName = _("To:") . ' ' . $senderName;
 123         $senderAddress = _("To:") . ' ' . $senderAddress;
 124     }
 125
 126     if ( $truncate_sender > 0 && strlen($senderName) > $truncate_sender ) {
 127        $senderName = substr_replace($senderName, '... ', $truncate_sender);
 128     }
 129
 130     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
 131
 132     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
 133         $flag = "<font color=\"$color[2]\">";
 134         $flag_end = '</font>';
 135     } else {
 136         $flag = '';
 137         $flag_end = '';
 138     }
 139     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
 140         $bold = '<b>';
 141         $bold_end = '</b>';
 142     } else {
 143         $bold = '';
 144         $bold_end = '';
 145     }
 146     if ($bHandleAsSent) {
 147         $italic = '<i>';
 148         $italic_end = '</i>';
 149     } else {
 150         $italic = '';
 151         $italic_end = '';
 152     }
 153     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 154         $fontstr = "<font color=\"$color[9]\">";
 155         $fontstr_end = '</font>';
 156     } else {
 157         $fontstr = '';
 158         $fontstr_end = '';
 159     }
 160
 161     if ($where && $what) {
 162         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 163     } else {
 164         $searchstr = '';
 165     }
 166
 167     if (is_array($message_highlight_list) && count($message_highlight_list)) {
 168         $msg['TO'] = parseAddress($msg['TO']);
 169         $msg['CC'] = parseAddress($msg['CC']);
 170         foreach ($message_highlight_list as $message_highlight_list_part) {
 171             if (trim($message_highlight_list_part['value']) != '') {
 172                 $high_val   = strtolower($message_highlight_list_part['value']);
 173                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 174                 if($match_type == 'TO_CC') {
 175                     $match = array('TO', 'CC');
 176                 } else {
 177                     $match = array($match_type);
 178                 }
 179                 foreach($match as $match_type) {
 180                     switch($match_type) {
 181                         case('TO'):
 182                         case('CC'):
 183                         case('FROM'):
 184                             foreach ($msg[$match_type] as $address) {
 185                                 $address[0] = decodeHeader($address[0], true, false);
 186                                 $address[1] = decodeHeader($address[1], true, false);
 187                                 if (strstr('^^' . strtolower($address[0]), $high_val) ||
 188                                     strstr('^^' . strtolower($address[1]), $high_val)) {
 189                                     $hlt_color = $message_highlight_list_part['color'];
 190                                     break 4;
 191                                 }
 192                             }
 193                             break;
 194                         default:
 195                             $headertest = strtolower(decodeHeader($msg[$match_type], true, false));
 196                             if (strstr('^^' . $headertest, $high_val)) {
 197                                 $hlt_color = $message_highlight_list_part['color'];
 198                                 break 3;
 199                             }
 200                             break;
 201                     }
 202                 }
 203             }
 204         }
 205     }
 206
 207     if (!isset($hlt_color)) {
 208         $hlt_color = $color_string;
 209     }
 210     $checked = ($checkall == 1) ? ' CHECKED' : '';
 211     $col = 0;
 212     $msg['SUBJECT'] = str_replace('&nbsp;', ' ', decodeHeader($msg['SUBJECT']));
 213     $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
 214     if (sizeof($index_order)) {
 215         foreach ($index_order as $index_order_part) {
 216             switch ($index_order_part) {
 217             case 1: /* checkbox */
 218                 echo html_tag( 'td',
 219                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 220                                'center',
 221                                $hlt_color );
 222                 break;
 223             case 2: /* from */
 224                 if ($senderAddress != $senderName) {
 225                     $senderAddress = strtr($senderAddress, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
 226                     $title = ' title="' . str_replace('"', "''", $senderAddress) . '"';
 227                 }
 228                 else
 229                     $title = '';
 230                 echo html_tag( 'td',
 231                                $italic . $bold . $flag . $fontstr . $senderName .
 232                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 233                                'left',
 234                                $hlt_color, $title );
 235                 break;
 236             case 3: /* date */
 237                 $date_string = $msg['DATE_STRING'] . '';
 238                 if ($date_string == '') {
 239                     $date_string = _("Unknown date");
 240                 }
 241                 echo html_tag( 'td',
 242                                $bold . $flag . $fontstr . $date_string .
 243                                $fontstr_end . $flag_end . $bold_end,
 244                                'center',
 245                                $hlt_color,
 246                                'nowrap' );
 247                 break;
 248             case 4: /* subject */
 249                 $td_str = $bold;
 250                 if ($thread_sort_messages == 1) {
 251                     if (isset($indent_array[$msg['ID']])) {
 252                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 253                     }
 254                 }
 255                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 256                         .  '&amp;passed_id='. $msg["ID"]
 257                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 258                 $td_str .= ' ' .concat_hook_function('subject_link', array($start_msg, $searchstr));
 259                 if ($subject != $msg['SUBJECT']) {
 260                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 261                     $title = array_flip($title);
 262                     $title = strtr($msg['SUBJECT'], $title);
 263                     $title = str_replace('"', "''", $title);
 264                     $td_str .= " title=\"$title\"";
 265                 }
 266                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 267                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 268                 break;
 269             case 5: /* flags */
 270                 $stuff = false;
 271                 $td_str = "<b><small>";
 272
 273                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 274                     $td_str .= _("A");
 275                     $stuff = true;
 276                 }
 277                 if ($msg['TYPE0'] == 'multipart') {
 278                     $td_str .= '+';
 279                     $stuff = true;
 280                 }
 281                 if ($default_use_priority) {
 282                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 283                         $td_str .= "<font color=\"$color[1]\">!</font>";
 284                         $stuff = true;
 285                     }
 286                     if ($msg['PRIORITY'] == 5) {
 287                         $td_str .= "<font color=\"$color[8]\">?</font>";
 288                         $stuff = true;
 289                     }
 290                 }
 291                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 292                     $td_str .= "<font color=\"$color[1]\">D</font>";
 293                     $stuff = true;
 294                 }
 295                 if (!$stuff) {
 296                     $td_str .= '&nbsp;';
 297                 }
 298                 do_hook("msg_envelope");
 299                 $td_str .= '</small></b>';
 300                 echo html_tag( 'td',
 301                                $td_str,
 302                                'center',
 303                                $hlt_color,
 304                                'nowrap' );
 305                 break;
 306             case 6: /* size */
 307                 echo html_tag( 'td',
 308                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 309                                $fontstr_end . $bold_end,
 310                                'right',
 311                                $hlt_color );
 312                 break;
 313             }
 314             ++$col;
 315         }
 316     }
 317     if ($not_last) {
 318         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 319              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 320     } else {
 321         echo '</tr>'."\n";
 322     }
 323 }
 324
 325 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 326     if ($id != 'no') {
 327         $id = array_slice($id, ($start_msg-1), $show_num);
 328         $end = $start_msg + $show_num - 1;
 329         if ($num_msgs < $show_num) {
 330             $end_loop = $num_msgs;
 331         } else if ($end > $num_msgs) {
 332             $end_loop = $num_msgs - $start_msg + 1;
 333         } else {
 334             $end_loop = $show_num;
 335         }
 336         return fillMessageArray($imapConnection,$id,$end_loop,$show_num);
 337     } else {
 338         return false;
 339     }
 340 }
 341
 342 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 343     $id = get_thread_sort($imapConnection);
 344     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 345 }
 346
 347 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 348                                $num_msgs, $server_sort_order, $mbxresponse) {
 349     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 350     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 351 }
 352
 353 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 354                               $num_msgs, $sort, $mbxresponse) {
 355     $msgs = array();
 356     if ($num_msgs >= 1) {
 357         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 358         if ($sort < 6 ) {
 359             $end = $num_msgs;
 360             $end_loop = $end;
 361             /* set shownum to 999999 to fool sqimap_get_small_header_list
 362                and rebuild the msgs_str to 1:* */
 363             $show_num = 999999;
 364         } else {
 365             /* if it's not sorted */
 366             if ($start_msg + ($show_num - 1) < $num_msgs) {
 367                 $end_msg = $start_msg + ($show_num - 1);
 368             } else {
 369                 $end_msg = $num_msgs;
 370             }
 371             if ($end_msg < $start_msg) {
 372                 $start_msg = $start_msg - $show_num;
 373                 if ($start_msg < 1) {
 374                     $start_msg = 1;
 375                 }
 376             }
 377             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 378             $end = $start_msg + $show_num - 1;
 379             if ($num_msgs < $show_num) {
 380                 $end_loop = $num_msgs;
 381             } else if ($end > $num_msgs) {
 382                 $end_loop = $num_msgs - $start_msg + 1;
 383             } else {
 384                 $end_loop = $show_num;
 385             }
 386         }
 387         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 388     }
 389     return $msgs;
 390 }
 391
 392
 393
 394 /*
 395  * This function loops through a group of messages in the mailbox
 396  * and shows them to the user.
 397  */
 398 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 399                                 $start_msg, $sort, $color, $show_num,
 400                                 $use_cache, $mode='') {
 401     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 402            $allow_server_sort, $server_sort_order;
 403
 404     /*
 405      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 406      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 407      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 408      */
 409
 410     if (!isset($msort)) {
 411         $msort = array();
 412     }
 413
 414     if (!isset($msgs)) {
 415         $msgs = array();
 416     }
 417
 418     //$start = microtime();
 419     /* If autoexpunge is turned on, then do it now. */
 420     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 421     $srt = $sort;
 422     /* If autoexpunge is turned on, then do it now. */
 423     if ($auto_expunge == true) {
 424         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 425         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 426         $num_msgs = $mbxresponse['EXISTS'];
 427     }
 428
 429     if ($mbxresponse['EXISTS'] > 0) {
 430         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 431          * in the last page. We need to re-adjust the start_msg
 432          */
 433
 434         if($start_msg > $num_msgs) {
 435             $start_msg -= $show_num;
 436             if($start_msg < 1) {
 437                 $start_msg = 1;
 438             }
 439         }
 440
 441         /* This code and the next if() block check for
 442          * server-side sorting methods. The $id array is
 443          * formatted and $sort is set to 6 to disable
 444          * SM internal sorting
 445          */
 446
 447         if ($thread_sort_messages == 1) {
 448             $mode = 'thread';
 449         } elseif ($allow_server_sort == 1) {
 450             $mode = 'serversort';
 451         } else {
 452             $mode = '';
 453         }
 454
 455         if ($use_cache) {
 456             sqgetGlobalVar('msgs', $msgs, SQ_SESSION);
 457             sqgetGlobalVar('msort', $msort, SQ_SESSION);
 458         } else {
 459             sqsession_unregister('msort');
 460             sqsession_unregister('msgs');       }
 461         switch ($mode) {
 462             case 'thread':
 463                 $id   = get_thread_sort($imapConnection);
 464                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 465                 if ($msgs === false) {
 466                     echo '<b><small><center><font color=red>' .
 467                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 468                          '</center></small></b>';
 469                     $thread_sort_messages = 0;
 470                     $msort = $msgs = array();
 471                 } else {
 472                     $msort= $msgs;
 473                     $sort = 6;
 474                 }
 475                 break;
 476             case 'serversort':
 477                 $id   = sqimap_get_sort_order($imapConnection, $sort, $mbxresponse);
 478                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 479                 if ($msgs === false) {
 480                     echo '<b><small><center><font color=red>' .
 481                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 482                          '</center></small></b>';
 483                     $sort = $server_sort_order;
 484                     $allow_server_sort = FALSE;
 485                     $msort = $msgs = array();
 486                     $id = array();
 487                 } else {
 488                     $msort = $msgs;
 489                     $sort = 6;
 490                 }
 491                 break;
 492             default:
 493                 if (!$use_cache) {
 494                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 495                                                 $num_msgs, $sort, $mbxresponse);
 496                     $msort = calc_msort($msgs, $sort);
 497                 } /* !use cache */
 498                 break;
 499         } // switch
 500         sqsession_register($msort, 'msort');
 501         sqsession_register($msgs,  'msgs');
 502
 503     } /* if exists > 0 */
 504
 505     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 506     $start_msg = $res[0];
 507     $end_msg   = $res[1];
 508
 509     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 510                                        $num_msgs, $show_num, $sort);
 511
 512     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 513
 514     do_hook('mailbox_index_before');
 515     echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
 516     echo '<tr><td>';
 517
 518     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 519                                   $msg_cnt_str, $paginator_str, $start_msg);
 520     echo '</td></tr>';
 521     /* line between the button area and the list */
 522     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 523
 524     echo '<tr><td>';
 525     echo '    <table width="100%" cellpadding="1" cellspacing="0" align="center"'.' border="0" bgcolor="'.$color[9].'">';
 526     echo '     <tr><td>';
 527     echo '       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="'.$color[5].'">';
 528     echo '<tr><td>';
 529     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 530
 531     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 532                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 533     echo '</td></tr></table></td></tr></table>';
 534
 535     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 536     echo '</td></tr></table>';
 537     //$t = elapsed($start);
 538     //echo("elapsed time = $t seconds\n");
 539 }
 540
 541 function calc_msort($msgs, $sort) {
 542
 543     /*
 544      * 0 = Date (up)
 545      * 1 = Date (dn)
 546      * 2 = Name (up)
 547      * 3 = Name (dn)
 548      * 4 = Subject (up)
 549      * 5 = Subject (dn)
 550      */
 551
 552     if (($sort == 0) || ($sort == 1)) {
 553         foreach ($msgs as $item) {
 554             $msort[] = $item['TIME_STAMP'];
 555         }
 556     } elseif (($sort == 2) || ($sort == 3)) {
 557         foreach ($msgs as $item) {
 558             $msort[] = $item['FROM-SORT'];
 559         }
 560     } elseif (($sort == 4) || ($sort == 5)) {
 561         foreach ($msgs as $item) {
 562             $msort[] = $item['SUBJECT-SORT'];
 563         }
 564     } else {
 565         $msort = $msgs;
 566     }
 567     if ($sort < 6) {
 568         if ($sort % 2) {
 569             asort($msort);
 570         } else {
 571             arsort($msort);
 572         }
 573     }
 574     return $msort;
 575 }
 576
 577 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 578     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 579 }
 580
 581
 582 /* Generic function to convert the msgs array into an HTML table. */
 583 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 584                              $msort, $mailbox, $sort, $color,
 585                              $show_num, $where=0, $what=0) {
 586     global $imapServerAddress, $use_mailbox_cache, $index_order,
 587            $indent_array, $thread_sort_messages, $allow_server_sort,
 588            $server_sort_order, $PHP_SELF;
 589
 590     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 591     $start_msg = $res[0];
 592     $end_msg   = $res[1];
 593
 594     $urlMailbox = urlencode($mailbox);
 595
 596     /* get indent level for subject display */
 597     if ($thread_sort_messages == 1 && $num_msgs) {
 598         $indent_array = get_parent_level($imapConnection);
 599     }
 600
 601     $real_startMessage = $start_msg;
 602     if ($sort == 6) {
 603         if ($end_msg - $start_msg < $show_num - 1) {
 604             $end_msg = $end_msg - $start_msg + 1;
 605             $start_msg = 1;
 606         } else if ($start_msg > $show_num) {
 607             $end_msg = $show_num;
 608             $start_msg = 1;
 609         }
 610     }
 611     $endVar = $end_msg + 1;
 612
 613     /*
 614      * Loop through and display the info for each message.
 615      * ($t is used for the checkbox number)
 616      */
 617     $t = 0;
 618
 619     /* messages display */
 620
 621     if (!$num_msgs) {
 622     /* if there's no messages in this folder */
 623         echo html_tag( 'tr',
 624                 html_tag( 'td',
 625                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 626                           'center',
 627                           $color[4],
 628                           'COLSPAN="' . count($index_order) . '"'
 629                 )
 630         );
 631     } elseif ($start_msg == $end_msg) {
 632     /* if there's only one message in the box, handle it differently. */
 633         if ($sort != 6) {
 634             $i = $start_msg;
 635         } else {
 636             $i = 1;
 637         }
 638         reset($msort);
 639         $k = 0;
 640         do {
 641             $key = key($msort);
 642             next($msort);
 643             $k++;
 644         } while (isset ($key) && ($k < $i));
 645         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 646                          $real_startMessage, $where, $what);
 647     } else {
 648         $i = $start_msg;
 649         reset($msort);
 650         $k = 0;
 651         do {
 652             $key = key($msort);
 653             next($msort);
 654             $k++;
 655         } while (isset ($key) && ($k < $i));
 656         $not_last = true;
 657         do {
 658             if (!$i || $i == $endVar-1) $not_last = false;
 659                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 660                                  $real_startMessage, $where, $what);
 661             $key = key($msort);
 662             $t++;
 663             $i++;
 664             next($msort);
 665         } while ($i && $i < $endVar);
 666     }
 667 }
 668
 669 /*
 670  * Displays the standard message list header. To finish the table,
 671  * you need to do a "</table></table>";
 672  *
 673  * $moveURL is the URL to submit the delete/move form to
 674  * $mailbox is the current mailbox
 675  * $sort is the current sorting method (-1 for no sorting available [searches])
 676  * $Message is a message that is centered on top of the list
 677  * $More is a second line that is left aligned
 678  */
 679
 680 function mail_message_listing_beginning ($imapConnection,
 681                                          $mailbox = '', $sort = -1,
 682                                          $msg_cnt_str = '',
 683                                          $paginator = '&nbsp;',
 684                                          $start_msg = 1) {
 685     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 686            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 687            $PHP_SELF;
 688
 689     $php_self = $PHP_SELF;
 690     /* fix for incorrect $PHP_SELF */
 691     if (strpos($php_self, 'move_messages.php')) {
 692         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 693     }
 694     $urlMailbox = urlencode($mailbox);
 695
 696     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 697         $source_url = $regs[1];
 698     } else {
 699         $source_url = $php_self;
 700     }
 701
 702     if (!isset($msg)) {
 703         $msg = '';
 704     }
 705     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 706                   '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 707                   '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">';
 708
 709 //    $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 710 //             . "&amp;startMessage=$start_msg";
 711     /*
 712      * This is the beginning of the message list table.
 713      * It wraps around all messages
 714      */
 715     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 716     $form_name = "FormMsgs" . $safe_name;
 717     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 718         . $moveFields
 719         . html_tag( 'table' ,
 720             html_tag( 'tr',
 721                 html_tag( 'td' ,
 722                     html_tag( 'table' ,
 723                         html_tag( 'tr',
 724                             html_tag( 'td', $paginator, 'left' ) .
 725                             html_tag( 'td', $msg_cnt_str, 'right' )
 726                         )
 727                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 728                 , 'left', '', '' )
 729             , '', $color[0] )
 730             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 731         /* line between header and button area */
 732         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 733
 734         echo '<tr><td>';
 735         echo html_tag( 'tr' ) . "\n"
 736         . html_tag( 'td' ,'' , 'left', '', '' )
 737          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 738           . '<tr><td>'
 739            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 740             . html_tag( 'tr',
 741                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 742                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 743             )
 744             . html_tag( 'tr' ) ."\n"
 745             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 746             getMbxList($imapConnection);
 747             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 748             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 749
 750   echo "      </TD>\n"
 751          . html_tag( 'td', '', 'right', '', 'nowrap' );
 752
 753
 754
 755     if (!$auto_expunge) {
 756         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 757              .'&nbsp;' . _("mailbox") . "\n";
 758     }
 759     do_hook('mailbox_display_buttons');
 760     echo getButton('SUBMIT', 'markRead',_("Read"));
 761     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 762     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp;\n";
 763     if (!strpos($php_self,'mailbox')) {
 764         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 765     } else {
 766         $location = $php_self;
 767     }
 768     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 769     echo "</TD>\n"
 770          . "   </TR>\n";
 771
 772     /* draws thread sorting links */
 773     if ($allow_thread_sort == TRUE) {
 774         if ($thread_sort_messages == 1 ) {
 775             $set_thread = 2;
 776             $thread_name = _("Unthread View");
 777         } elseif ($thread_sort_messages == 0) {
 778             $set_thread = 1;
 779             $thread_name = _("Thread View");
 780         }
 781         echo html_tag( 'tr' ,
 782                     html_tag( 'td' ,
 783                               '&nbsp;<a href=' . $source_url . '?sort='
 784                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 785                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 786                               . '</a></small>&nbsp;'
 787                      , '', '', '' ) . html_tag( 'td', _("Bypass Trash") . '<input type="checkbox" name="bypass_trash">','right','','')
 788
 789                  , '', '', '' );
 790     }
 791
 792     echo "</TABLE></td></tr></table></td></tr>\n";
 793
 794     do_hook('mailbox_form_before');
 795
 796     /* if using server sort we highjack the
 797      * the $sort var and use $server_sort_order
 798      * instead. but here we reset sort for a bit
 799      * since its easy
 800      */
 801     if ($allow_server_sort == TRUE) {
 802         $sort = $server_sort_order;
 803     }
 804 }
 805
 806 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 807   if ($num_msgs) {
 808     /* space between list and footer */
 809     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 810
 811     echo '</td></tr><tr><td>';
 812     echo html_tag( 'table',
 813             html_tag( 'tr',
 814                 html_tag( 'td',
 815                     html_tag( 'table',
 816                         html_tag( 'tr',
 817                             html_tag( 'td', $paginator_str ) .
 818                             html_tag( 'td', $msg_cnt_str, 'right' )
 819                         )
 820                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 821                 )
 822             )
 823         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 824     echo '</td></tr>';
 825   }
 826     /* End of message-list table */
 827
 828     do_hook('mailbox_index_after');
 829     echo "</FORM>\n";
 830 }
 831
 832 function printHeader($mailbox, $sort, $color, $showsort=true) {
 833     global $index_order;
 834     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 835
 836     /* calculate the width of the subject column based on the
 837      * widths of the other columns */
 838     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 839     $subjectwidth = 100;
 840     foreach($index_order as $item) {
 841         $subjectwidth -= $widths[$item];
 842     }
 843
 844     foreach ($index_order as $item) {
 845         switch ($item) {
 846         case 1: /* checkbox */
 847         case 5: /* flags */
 848             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 849             break;
 850         case 2: /* from */
 851             if (handleAsSent($mailbox)) {
 852                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 853                      . '<b>' . _("To") . '</b>';
 854             } else {
 855                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 856                      . '<b>' . _("From") . '</b>';
 857             }
 858             if ($showsort) {
 859                 ShowSortButton($sort, $mailbox, 2, 3);
 860             }
 861             echo "</td>\n";
 862             break;
 863         case 3: /* date */
 864             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 865                  . '<b>' . _("Date") . '</b>';
 866             if ($showsort) {
 867                 ShowSortButton($sort, $mailbox, 0, 1);
 868             }
 869             echo "</td>\n";
 870             break;
 871         case 4: /* subject */
 872             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 873                  . '<b>' . _("Subject") . '</b>';
 874             if ($showsort) {
 875                 ShowSortButton($sort, $mailbox, 4, 5);
 876             }
 877             echo "</td>\n";
 878             break;
 879         case 6: /* size */
 880             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 881             break;
 882         }
 883     }
 884     echo "</tr>\n";
 885 }
 886
 887
 888 /*
 889  * This function shows the sort button. Isn't this a good comment?
 890  */
 891 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 892     global $PHP_SELF;
 893     /* Figure out which image we want to use. */
 894     if ($sort != $Up && $sort != $Down) {
 895         $img = 'sort_none.png';
 896         $which = $Up;
 897     } elseif ($sort == $Up) {
 898         $img = 'up_pointer.png';
 899         $which = $Down;
 900     } else {
 901         $img = 'down_pointer.png';
 902         $which = 6;
 903     }
 904
 905     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 906         $source_url = $regs[1];
 907     } else {
 908         $source_url = $PHP_SELF;
 909     }
 910
 911     /* Now that we have everything figured out, show the actual button. */
 912     echo ' <a href="' . $source_url .'?newsort=' . $which
 913          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 914          . '"><img src="../images/' . $img
 915          . '" border="0" width="12" height="10" alt="sort" title="'
 916          . _("Click here to change the sorting of the message list") .'"></a>';
 917 }
 918
 919 function get_selectall_link($start_msg, $sort) {
 920     global $checkall, $what, $where, $mailbox, $javascript_on;
 921     global $PHP_SELF, $PG_SHOWNUM;
 922
 923     $result = '';
 924     if ($javascript_on) {
 925         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 926         $func_name = "CheckAll" . $safe_name;
 927         $form_name = "FormMsgs" . $safe_name;
 928         $result = '<script language="JavaScript" type="text/javascript">'
 929                 . "\n<!-- \n"
 930                 . "function " . $func_name . "() {\n"
 931                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
 932                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
 933                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
 934                 . "      document." . $form_name . ".elements[i].checked = "
 935                 . "        !(document." . $form_name . ".elements[i].checked);\n"
 936                 . "    }\n"
 937                 . "  }\n"
 938                 . "}\n"
 939                 . "//-->\n"
 940                 . '</script><a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
 941 /*                . '</script><a href="javascript:' . $func_name . '()">' . _("Toggle All")*/
 942                 . "</a>\n";
 943     } else {
 944         if (strpos($PHP_SELF, "?")) {
 945             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 946                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 947         } else {
 948             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 949                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 950         }
 951         if (isset($checkall) && $checkall == '1') {
 952             $result .= '0';
 953         } else {
 954             $result .= '1';
 955         }
 956
 957         if (isset($where) && isset($what)) {
 958             $result .= '&amp;where=' . urlencode($where)
 959                     .  '&amp;what=' . urlencode($what);
 960         }
 961         $result .= "\">";
 962
 963         if (isset($checkall) && ($checkall == '1')) {
 964             $result .= _("Unselect All");
 965         } else {
 966             $result .= _("Select All");
 967         }
 968         $result .= "</A>\n";
 969     }
 970
 971     /* Return our final result. */
 972     return ($result);
 973 }
 974
 975 /*
 976  * This function computes the "Viewing Messages..." string.
 977  */
 978 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 979     /* Compute the $msg_cnt_str. */
 980     $result = '';
 981     if ($start_msg < $end_msg) {
 982         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 983                           $start_msg, $end_msg, $num_msgs);
 984     } else if ($start_msg == $end_msg) {
 985         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 986     } else {
 987         $result = '<br>';
 988     }
 989     /* Return our result string. */
 990     return ($result);
 991 }
 992
 993 /*
 994  * Generate a paginator link.
 995  */
 996 function get_paginator_link($box, $start_msg, $use, $text) {
 997     global $PHP_SELF;
 998
 999     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
1000             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1001             . "TARGET=\"right\">$text</A>";
1002     return ($result);
1003 /*
1004     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1005         $source_url = $regs[1];
1006     } else {
1007         $source_url = $PHP_SELF;
1008     }
1009
1010     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
1011             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1012             . "TARGET=\"right\">$text</A>";
1013     return ($result);
1014 */
1015 }
1016
1017 /*
1018  * This function computes the paginator string.
1019  */
1020 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1021                            $show_num, $sort) {
1022     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1023
1024     /* Initialize paginator string chunks. */
1025     $prv_str = '';
1026     $nxt_str = '';
1027     $pg_str  = '';
1028     $all_str = '';
1029     $tgl_str = '';
1030
1031     $box = urlencode($box);
1032
1033     /* Create simple strings that will be creating the paginator. */
1034     $spc = '&nbsp;';     /* This will be used as a space. */
1035     $sep = '|';          /* This will be used as a seperator. */
1036
1037     /* Get some paginator preference values. */
1038     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1039     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1040
1041     /* Make sure that our start message number is not too big. */
1042     $start_msg = min($start_msg, $num_msgs);
1043
1044     /* Decide whether or not we will use the mailbox cache. */
1045     /* Not sure why $use_mailbox_cache is even passed in.   */
1046     if ($sort == 6) {
1047         $use = 0;
1048     } else {
1049         $use = 1;
1050     }
1051
1052     /* Compute the starting message of the previous and next page group. */
1053     $next_grp = $start_msg + $show_num;
1054     $prev_grp = $start_msg - $show_num;
1055
1056     /* Compute the basic previous and next strings. */
1057     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1058         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1059         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1060     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1061         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1062         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1063     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1064         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1065         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1066     }
1067
1068     /* Page selector block. Following code computes page links. */
1069     if ($pg_sel && ($num_msgs > $show_num)) {
1070         /* Most importantly, what is the current page!!! */
1071         $cur_pg = intval($start_msg / $show_num) + 1;
1072
1073         /* Compute total # of pages and # of paginator page links. */
1074         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1075         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1076
1077         /* Compute the size of the four quarters of the page links. */
1078
1079         /* If we can, just show all the pages. */
1080         if (($tot_pgs - 1) <= $pg_max) {
1081             $q1_pgs = $cur_pg - 1;
1082             $q2_pgs = $q3_pgs = 0;
1083             $q4_pgs = $tot_pgs - $cur_pg;
1084
1085         /* Otherwise, compute some magic to choose the four quarters. */
1086         } else {
1087             /*
1088              * Compute the magic base values. Added together,
1089              * these values will always equal to the $pag_pgs.
1090              * NOTE: These are DEFAULT values and do not take
1091              * the current page into account. That is below.
1092              */
1093             $q1_pgs = floor($vis_pgs/4);
1094             $q2_pgs = round($vis_pgs/4, 0);
1095             $q3_pgs = ceil($vis_pgs/4);
1096             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1097
1098             /* Adjust if the first quarter contains the current page. */
1099             if (($cur_pg - $q1_pgs) < 1) {
1100                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1101                 $q1_pgs = $cur_pg - 1;
1102                 $q2_pgs = 0;
1103                 $q3_pgs += ceil($extra_pgs / 2);
1104                 $q4_pgs += floor($extra_pgs / 2);
1105
1106             /* Adjust if the first and second quarters intersect. */
1107             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1108                 $extra_pgs = $q2_pgs;
1109                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1110                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1111                 $q3_pgs += ceil($extra_pgs / 2);
1112                 $q4_pgs += floor($extra_pgs / 2);
1113
1114             /* Adjust if the fourth quarter contains the current page. */
1115             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1116                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1117                 $q3_pgs = 0;
1118                 $q4_pgs = $tot_pgs - $cur_pg;
1119                 $q1_pgs += floor($extra_pgs / 2);
1120                 $q2_pgs += ceil($extra_pgs / 2);
1121
1122             /* Adjust if the third and fourth quarter intersect. */
1123             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1124                 $extra_pgs = $q3_pgs;
1125                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1126                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1127                 $q1_pgs += floor($extra_pgs / 2);
1128                 $q2_pgs += ceil($extra_pgs / 2);
1129             }
1130         }
1131
1132         /*
1133          * I am leaving this debug code here, commented out, because
1134          * it is a really nice way to see what the above code is doing.
1135          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1136          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1137          */
1138
1139         /* Print out the page links from the compute page quarters. */
1140
1141         /* Start with the first quarter. */
1142         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1143             $pg_str .= "...$spc";
1144         } else {
1145             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1146                 $start = (($pg-1) * $show_num) + 1;
1147                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1148             }
1149             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1150                 $pg_str .= "...$spc";
1151             }
1152         }
1153
1154         /* Continue with the second quarter. */
1155         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1156             $start = (($pg-1) * $show_num) + 1;
1157             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1158         }
1159
1160         /* Now print the current page. */
1161         $pg_str .= $cur_pg . $spc;
1162
1163         /* Next comes the third quarter. */
1164         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1165             $start = (($pg-1) * $show_num) + 1;
1166             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1167         }
1168
1169         /* And last, print the forth quarter page links. */
1170         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1171             $pg_str .= "...$spc";
1172         } else {
1173             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1174                 $pg_str .= "...$spc";
1175             }
1176             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1177                 $start = (($pg-1) * $show_num) + 1;
1178                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1179             }
1180         }
1181     } else if ($PG_SHOWNUM == 999999) {
1182         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1183                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1184                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1185     }
1186
1187     /* If necessary, compute the 'show all' string. */
1188     if (($prv_str != '') || ($nxt_str != '')) {
1189         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1190                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1191                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1192     }
1193
1194     /* Last but not least, get the value for the toggle all link. */
1195     $tgl_str = get_selectall_link($start_msg, $sort);
1196
1197     /* Put all the pieces of the paginator string together. */
1198     /**
1199      * Hairy code... But let's leave it like it is since I am not certain
1200      * a different approach would be any easier to read. ;)
1201      */
1202     $result = '';
1203     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1204     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1205     $result .= ($pg_str  != '' ? $pg_str : '');
1206     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1207     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1208
1209     /* If the resulting string is blank, return a non-breaking space. */
1210     if ($result == '') {
1211         $result = '&nbsp;';
1212     }
1213
1214     /* Return our final magical paginator string. */
1215     return ($result);
1216 }
1217
1218 function processSubject($subject, $threadlevel = 0) {
1219     global $languages, $squirrelmail_language;
1220     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1221     if ($subject == '') {
1222         return _("(no subject)");
1223     }
1224
1225     $trim_at = SUBJ_TRIM_AT;
1226
1227     /* if this is threaded, subtract two chars per indentlevel */
1228     if($threadlevel > 0 && $threadlevel <= 10) {
1229         $trim_at -= (2*$threadlevel);
1230     }
1231
1232     if (strlen($subject) <= $trim_at) {
1233         return $subject;
1234     }
1235
1236     $ent_strlen = $orig_len = strlen($subject);
1237     $trim_val = $trim_at - 5;
1238     $ent_offset = 0;
1239     /*
1240      * see if this is entities-encoded string
1241      * If so, Iterate through the whole string, find out
1242      * the real number of characters, and if more
1243      * than 55, substr with an updated trim value.
1244      */
1245     $step = $ent_loc = 0;
1246     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1247             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1248         $trim_val += ($ent_loc_end-$ent_loc);
1249         $ent_offset  = $ent_loc_end+1;
1250         ++$step;
1251     }
1252
1253     if (($trim_val > 50) && (strlen($subject) > ($trim_val))&& (strpos($subject,';',$trim_val) < ($trim_val +6))) {
1254         $i = strpos($subject,';',$trim_val);
1255         if ($i) {
1256             $trim_val = strpos($subject,';',$trim_val);
1257         }
1258     }
1259     if ($ent_strlen <= $trim_at){
1260         return $subject;
1261     }
1262
1263     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1264         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1265         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1266     }
1267
1268     // only print '...' when we're actually dropping part of the subject
1269     if(strlen($subject) <= $trim_val) {
1270         return $subject;
1271     } else {
1272         return substr($subject, 0, $trim_val) . '...';
1273     }
1274 }
1275
1276 function getMbxList($imapConnection, $boxes = 0) {
1277     global $lastTargetMailbox;
1278     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1279     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes);
1280     echo '         </SELECT></TT>&nbsp;';
1281 }
1282
1283 function getButton($type, $name, $value) {
1284     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1285 }
1286
1287 function getSmallStringCell($string, $align) {
1288     return html_tag('td',
1289                     '<small>' . $string . ':&nbsp; </small>',
1290                     $align,
1291                     '',
1292                     'nowrap' );
1293 }
1294
1295 function getEndMessage($start_msg, $show_num, $num_msgs) {
1296     if ($start_msg + ($show_num - 1) < $num_msgs){
1297         $end_msg = $start_msg + ($show_num - 1);
1298     } else {
1299         $end_msg = $num_msgs;
1300     }
1301
1302     if ($end_msg < $start_msg) {
1303         $start_msg = $start_msg - $show_num;
1304         if ($start_msg < 1) {
1305             $start_msg = 1;
1306         }
1307     }
1308     return (array($start_msg,$end_msg));
1309 }
1310
1311 function handleAsSent($mailbox) {
1312     global $handleAsSent_result;
1313
1314     /* First check if this is the sent or draft folder. */
1315     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1316
1317     /* Then check the result of the handleAsSent hook. */
1318     do_hook('check_handleAsSent_result', $mailbox);
1319
1320     /* And return the result. */
1321     return $handleAsSent_result;
1322 }
1323
1324 ?>