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  */
  25 define('PG_SEL_MAX', 10);
  26
  27 function elapsed($start)
  28 {
  29    $end = microtime();
  30    list($start2, $start1) = explode(" ", $start);
  31    list($end2, $end1) = explode(" ", $end);
  32   $diff1 = $end1 - $start1;
  33    $diff2 = $end2 - $start2;
  34    if( $diff2 < 0 ){
  35        $diff1 -= 1;
  36        $diff2 += 1.0;
  37   }
  38    return $diff2 + $diff1;
  39 }
  40
  41 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  42                           $start_msg, $where, $what) {
  43     global $checkall,
  44            $color, $msgs, $msort, $td_str, $msg,
  45            $default_use_priority,
  46            $message_highlight_list,
  47            $index_order,
  48            $indent_array,         /* indent subject by */
  49            $pos,                  /* Search postion (if any)  */
  50            $thread_sort_messages, /* thread sorting on/off */
  51            $server_sort_order,    /* sort value when using server-sorting */
  52            $row_count,
  53            $allow_server_sort,    /* enable/disable server-side sorting */
  54            $truncate_sender,      /* number of characters for From/To field (<= 0 for unchanged) */
  55            $email_address,
  56            $show_recipient_instead;     /* show recipient name instead of default identity */
  57
  58     $color_string = $color[4];
  59
  60     if ($GLOBALS['alt_index_colors']) {
  61         if (!isset($row_count)) {
  62             $row_count = 0;
  63         }
  64         $row_count++;
  65         if ($row_count % 2) {
  66             if (!isset($color[12])) {
  67                 $color[12] = '#EAEAEA';
  68             }
  69             $color_string = $color[12];
  70         }
  71     }
  72     $msg = $msgs[$key];
  73
  74     if($mailbox == 'None') {
  75         $boxes   = sqimap_mailbox_list($imapConnection);
  76         $mailbox = $boxes[0]['unformatted'];
  77         unset($boxes);
  78     }
  79     $urlMailbox = urlencode($mailbox);
  80
  81     $bSentFolder = handleAsSent($mailbox);
  82     if ((!$bSentFolder) && ($show_recipient_instead)) {
  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         $bHandleAsSent = ((isset($from_array[0][0])) && ($from_array[0][0] == $email_address));
  90     }
  91     else
  92         $bHandleAsSent = $bSentFolder;
  93     // If this is a Sent message, display To address instead of From
  94     if ($bHandleAsSent)
  95        $msg['FROM'] = $msg['TO'];
  96     // Passing 1 below results in only 1 address being parsed, thus defeating the following code
  97     $msg['FROM'] = parseAddress($msg['FROM']/*,1*/);
  98
  99        /*
 100         * This is done in case you're looking into Sent folders,
 101         * because you can have multiple receivers.
 102         */
 103     $senderNames = $msg['FROM'];
 104     $senderName  = '';
 105     $senderAddress = '';
 106     if (sizeof($senderNames)){
 107         foreach ($senderNames as $senderNames_part) {
 108             if ($senderName != '') {
 109                 $senderName .= ', ';
 110                 $senderAddress .= ', ';
 111             }
 112             $sender_address_part = htmlspecialchars($senderNames_part[0]);
 113             $sender_name_part = str_replace('&nbsp;',' ', decodeHeader($senderNames_part[1]));
 114             if ($sender_name_part) {
 115                 $senderName .= $sender_name_part;
 116                 $senderAddress .= $sender_name_part . ' <' . $sender_address_part . '>';
 117             } else {
 118                 $senderName .= $sender_address_part;
 119                 $senderAddress .= $sender_address_part;
 120             }
 121         }
 122     }
 123     // If Sent, prefix with To: but only if not Sent folder
 124     if ($bHandleAsSent ^ $bSentFolder) {
 125         $senderName = _("To:") . ' ' . $senderName;
 126         $senderAddress = _("To:") . ' ' . $senderAddress;
 127     }
 128
 129     if ($truncate_sender > 0)
 130        $senderName = truncateWithEntities($senderName, $truncate_sender);
 131
 132     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
 133
 134     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
 135         $flag = "<font color=\"$color[2]\">";
 136         $flag_end = '</font>';
 137     } else {
 138         $flag = '';
 139         $flag_end = '';
 140     }
 141     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
 142         $bold = '<b>';
 143         $bold_end = '</b>';
 144     } else {
 145         $bold = '';
 146         $bold_end = '';
 147     }
 148     if ($bHandleAsSent) {
 149         $italic = '<i>';
 150         $italic_end = '</i>';
 151     } else {
 152         $italic = '';
 153         $italic_end = '';
 154     }
 155     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 156         $fontstr = "<font color=\"$color[9]\">";
 157         $fontstr_end = '</font>';
 158     } else {
 159         $fontstr = '';
 160         $fontstr_end = '';
 161     }
 162
 163     if ($where && $what) {
 164         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 165     } else {
 166         $searchstr = '';
 167     }
 168
 169     if (is_array($message_highlight_list) && count($message_highlight_list)) {
 170         $msg['TO'] = parseAddress($msg['TO']);
 171         $msg['CC'] = parseAddress($msg['CC']);
 172         foreach ($message_highlight_list as $message_highlight_list_part) {
 173             if (trim($message_highlight_list_part['value']) != '') {
 174                 $high_val   = strtolower($message_highlight_list_part['value']);
 175                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 176                 if($match_type == 'TO_CC') {
 177                     $match = array('TO', 'CC');
 178                 } else {
 179                     $match = array($match_type);
 180                 }
 181                 foreach($match as $match_type) {
 182                     switch($match_type) {
 183                         case('TO'):
 184                         case('CC'):
 185                         case('FROM'):
 186                             foreach ($msg[$match_type] as $address) {
 187                                 $address[0] = decodeHeader($address[0], true, false);
 188                                 $address[1] = decodeHeader($address[1], true, false);
 189                                 if (strstr('^^' . strtolower($address[0]), $high_val) ||
 190                                     strstr('^^' . strtolower($address[1]), $high_val)) {
 191                                     $hlt_color = $message_highlight_list_part['color'];
 192                                     break 4;
 193                                 }
 194                             }
 195                             break;
 196                         default:
 197                             $headertest = strtolower(decodeHeader($msg[$match_type], true, false));
 198                             if (strstr('^^' . $headertest, $high_val)) {
 199                                 $hlt_color = $message_highlight_list_part['color'];
 200                                 break 3;
 201                             }
 202                             break;
 203                     }
 204                 }
 205             }
 206         }
 207     }
 208
 209     if (!isset($hlt_color)) {
 210         $hlt_color = $color_string;
 211     }
 212     $checked = ($checkall == 1) ? ' CHECKED' : '';
 213     $col = 0;
 214     $msg['SUBJECT'] = str_replace('&nbsp;', ' ', decodeHeader($msg['SUBJECT']));
 215     $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
 216     if (sizeof($index_order)) {
 217         foreach ($index_order as $index_order_part) {
 218             switch ($index_order_part) {
 219             case 1: /* checkbox */
 220                 echo html_tag( 'td',
 221                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 222                                'center',
 223                                $hlt_color );
 224                 break;
 225             case 2: /* from */
 226                 if ($senderAddress != $senderName) {
 227                     $senderAddress = strtr($senderAddress, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
 228                     $title = ' title="' . str_replace('"', "''", $senderAddress) . '"';
 229                 }
 230                 else
 231                     $title = '';
 232                 echo html_tag( 'td',
 233                                $italic . $bold . $flag . $fontstr . $senderName .
 234                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 235                                'left',
 236                                $hlt_color, $title );
 237                 break;
 238             case 3: /* date */
 239                 $date_string = $msg['DATE_STRING'] . '';
 240                 if ($date_string == '') {
 241                     $date_string = _("Unknown date");
 242                 }
 243                 echo html_tag( 'td',
 244                                $bold . $flag . $fontstr . $date_string .
 245                                $fontstr_end . $flag_end . $bold_end,
 246                                'center',
 247                                $hlt_color,
 248                                'nowrap' );
 249                 break;
 250             case 4: /* subject */
 251                 $td_str = $bold;
 252                 if ($thread_sort_messages == 1) {
 253                     if (isset($indent_array[$msg['ID']])) {
 254                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 255                     }
 256                 }
 257                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 258                         .  '&amp;passed_id='. $msg["ID"]
 259                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 260                 $td_str .= ' ' .concat_hook_function('subject_link', array($start_msg, $searchstr));
 261                 if ($subject != $msg['SUBJECT']) {
 262                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 263                     $title = array_flip($title);
 264                     $title = strtr($msg['SUBJECT'], $title);
 265                     $title = str_replace('"', "''", $title);
 266                     $td_str .= " title=\"$title\"";
 267                 }
 268                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 269                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 270                 break;
 271             case 5: /* flags */
 272                 $stuff = false;
 273                 $td_str = "<b><small>";
 274
 275                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 276                     $td_str .= _("A");
 277                     $stuff = true;
 278                 }
 279                 if ($msg['TYPE0'] == 'multipart') {
 280                     $td_str .= '+';
 281                     $stuff = true;
 282                 }
 283                 if ($default_use_priority) {
 284                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 285                         $td_str .= "<font color=\"$color[1]\">!</font>";
 286                         $stuff = true;
 287                     }
 288                     if ($msg['PRIORITY'] == 5) {
 289                         $td_str .= "<font color=\"$color[8]\">?</font>";
 290                         $stuff = true;
 291                     }
 292                 }
 293                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 294                     $td_str .= "<font color=\"$color[1]\">D</font>";
 295                     $stuff = true;
 296                 }
 297                 if (!$stuff) {
 298                     $td_str .= '&nbsp;';
 299                 }
 300                 do_hook("msg_envelope");
 301                 $td_str .= '</small></b>';
 302                 echo html_tag( 'td',
 303                                $td_str,
 304                                'center',
 305                                $hlt_color,
 306                                'nowrap' );
 307                 break;
 308             case 6: /* size */
 309                 echo html_tag( 'td',
 310                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 311                                $fontstr_end . $bold_end,
 312                                'right',
 313                                $hlt_color );
 314                 break;
 315             }
 316             ++$col;
 317         }
 318     }
 319     if ($not_last) {
 320         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 321              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 322     } else {
 323         echo '</tr>'."\n";
 324     }
 325 }
 326
 327 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 328     if ($id != 'no') {
 329         $id = array_slice($id, ($start_msg-1), $show_num);
 330         $end = $start_msg + $show_num - 1;
 331         if ($num_msgs < $show_num) {
 332             $end_loop = $num_msgs;
 333         } else if ($end > $num_msgs) {
 334             $end_loop = $num_msgs - $start_msg + 1;
 335         } else {
 336             $end_loop = $show_num;
 337         }
 338         return fillMessageArray($imapConnection,$id,$end_loop,$show_num);
 339     } else {
 340         return false;
 341     }
 342 }
 343
 344 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 345     $id = get_thread_sort($imapConnection);
 346     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 347 }
 348
 349 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 350                                $num_msgs, $server_sort_order, $mbxresponse) {
 351     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 352     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 353 }
 354
 355 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 356                               $num_msgs, $sort, $mbxresponse) {
 357     $msgs = array();
 358     if ($num_msgs >= 1) {
 359         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 360         if ($sort < 6 ) {
 361             $end = $num_msgs;
 362             $end_loop = $end;
 363             /* set shownum to 999999 to fool sqimap_get_small_header_list
 364                and rebuild the msgs_str to 1:* */
 365             $show_num = 999999;
 366         } else {
 367             /* if it's not sorted */
 368             if ($start_msg + ($show_num - 1) < $num_msgs) {
 369                 $end_msg = $start_msg + ($show_num - 1);
 370             } else {
 371                 $end_msg = $num_msgs;
 372             }
 373             if ($end_msg < $start_msg) {
 374                 $start_msg = $start_msg - $show_num;
 375                 if ($start_msg < 1) {
 376                     $start_msg = 1;
 377                 }
 378             }
 379             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 380             $end = $start_msg + $show_num - 1;
 381             if ($num_msgs < $show_num) {
 382                 $end_loop = $num_msgs;
 383             } else if ($end > $num_msgs) {
 384                 $end_loop = $num_msgs - $start_msg + 1;
 385             } else {
 386                 $end_loop = $show_num;
 387             }
 388         }
 389         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 390     }
 391     return $msgs;
 392 }
 393
 394
 395
 396 /*
 397  * This function loops through a group of messages in the mailbox
 398  * and shows them to the user.
 399  */
 400 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 401                                 $start_msg, $sort, $color, $show_num,
 402                                 $use_cache, $mode='') {
 403     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 404            $allow_server_sort, $server_sort_order;
 405
 406     /*
 407      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 408      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 409      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 410      */
 411
 412     if (!isset($msort)) {
 413         $msort = array();
 414     }
 415
 416     if (!isset($msgs)) {
 417         $msgs = array();
 418     }
 419
 420     //$start = microtime();
 421     /* If autoexpunge is turned on, then do it now. */
 422     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 423     $srt = $sort;
 424     /* If autoexpunge is turned on, then do it now. */
 425     if ($auto_expunge == true) {
 426         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 427         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 428         $num_msgs = $mbxresponse['EXISTS'];
 429     }
 430
 431     if ($mbxresponse['EXISTS'] > 0) {
 432         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 433          * in the last page. We need to re-adjust the start_msg
 434          */
 435
 436         if($start_msg > $num_msgs) {
 437             $start_msg -= $show_num;
 438             if($start_msg < 1) {
 439                 $start_msg = 1;
 440             }
 441         }
 442
 443         /* This code and the next if() block check for
 444          * server-side sorting methods. The $id array is
 445          * formatted and $sort is set to 6 to disable
 446          * SM internal sorting
 447          */
 448
 449         if ($thread_sort_messages == 1) {
 450             $mode = 'thread';
 451         } elseif ($allow_server_sort == 1) {
 452             $mode = 'serversort';
 453         } else {
 454             $mode = '';
 455         }
 456
 457         if ($use_cache) {
 458             sqgetGlobalVar('msgs', $msgs, SQ_SESSION);
 459             sqgetGlobalVar('msort', $msort, SQ_SESSION);
 460         } else {
 461             sqsession_unregister('msort');
 462             sqsession_unregister('msgs');       }
 463         switch ($mode) {
 464             case 'thread':
 465                 $id   = get_thread_sort($imapConnection);
 466                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 467                 if ($msgs === false) {
 468                     echo '<b><small><center><font color=red>' .
 469                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 470                          '</center></small></b>';
 471                     $thread_sort_messages = 0;
 472                     $msort = $msgs = array();
 473                 } else {
 474                     $msort= $msgs;
 475                     $sort = 6;
 476                 }
 477                 break;
 478             case 'serversort':
 479                 $id   = sqimap_get_sort_order($imapConnection, $sort, $mbxresponse);
 480                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 481                 if ($msgs === false) {
 482                     echo '<b><small><center><font color=red>' .
 483                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 484                          '</center></small></b>';
 485                     $sort = $server_sort_order;
 486                     $allow_server_sort = FALSE;
 487                     $msort = $msgs = array();
 488                     $id = array();
 489                 } else {
 490                     $msort = $msgs;
 491                     $sort = 6;
 492                 }
 493                 break;
 494             default:
 495                 if (!$use_cache) {
 496                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 497                                                 $num_msgs, $sort, $mbxresponse);
 498                     $msort = calc_msort($msgs, $sort);
 499                 } /* !use cache */
 500                 break;
 501         } // switch
 502         sqsession_register($msort, 'msort');
 503         sqsession_register($msgs,  'msgs');
 504
 505     } /* if exists > 0 */
 506
 507     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 508     $start_msg = $res[0];
 509     $end_msg   = $res[1];
 510
 511     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 512                                        $num_msgs, $show_num, $sort);
 513
 514     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 515
 516     do_hook('mailbox_index_before');
 517     echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
 518     echo '<tr><td>';
 519
 520     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 521                                   $msg_cnt_str, $paginator_str, $start_msg);
 522     echo '</td></tr>';
 523     /* line between the button area and the list */
 524     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 525
 526     echo '<tr><td>';
 527     echo '    <table width="100%" cellpadding="1" cellspacing="0" align="center"'.' border="0" bgcolor="'.$color[9].'">';
 528     echo '     <tr><td>';
 529     echo '       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="'.$color[5].'">';
 530     echo '<tr><td>';
 531     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 532
 533     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 534                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 535     echo '</td></tr></table></td></tr></table>';
 536
 537     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 538     echo '</td></tr></table>';
 539     //$t = elapsed($start);
 540     //echo("elapsed time = $t seconds\n");
 541 }
 542
 543 function calc_msort($msgs, $sort) {
 544
 545     /*
 546      * 0 = Date (up)
 547      * 1 = Date (dn)
 548      * 2 = Name (up)
 549      * 3 = Name (dn)
 550      * 4 = Subject (up)
 551      * 5 = Subject (dn)
 552      */
 553
 554     if (($sort == 0) || ($sort == 1)) {
 555         foreach ($msgs as $item) {
 556             $msort[] = $item['TIME_STAMP'];
 557         }
 558     } elseif (($sort == 2) || ($sort == 3)) {
 559         foreach ($msgs as $item) {
 560             $msort[] = $item['FROM-SORT'];
 561         }
 562     } elseif (($sort == 4) || ($sort == 5)) {
 563         foreach ($msgs as $item) {
 564             $msort[] = $item['SUBJECT-SORT'];
 565         }
 566     } else {
 567         $msort = $msgs;
 568     }
 569     if ($sort < 6) {
 570         if ($sort % 2) {
 571             asort($msort);
 572         } else {
 573             arsort($msort);
 574         }
 575     }
 576     return $msort;
 577 }
 578
 579 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 580     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 581 }
 582
 583
 584 /* Generic function to convert the msgs array into an HTML table. */
 585 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 586                              $msort, $mailbox, $sort, $color,
 587                              $show_num, $where=0, $what=0) {
 588     global $imapServerAddress, $use_mailbox_cache, $index_order,
 589            $indent_array, $thread_sort_messages, $allow_server_sort,
 590            $server_sort_order, $PHP_SELF;
 591
 592     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 593     $start_msg = $res[0];
 594     $end_msg   = $res[1];
 595
 596     $urlMailbox = urlencode($mailbox);
 597
 598     /* get indent level for subject display */
 599     if ($thread_sort_messages == 1 && $num_msgs) {
 600         $indent_array = get_parent_level($imapConnection);
 601     }
 602
 603     $real_startMessage = $start_msg;
 604     if ($sort == 6) {
 605         if ($end_msg - $start_msg < $show_num - 1) {
 606             $end_msg = $end_msg - $start_msg + 1;
 607             $start_msg = 1;
 608         } else if ($start_msg > $show_num) {
 609             $end_msg = $show_num;
 610             $start_msg = 1;
 611         }
 612     }
 613     $endVar = $end_msg + 1;
 614
 615     /*
 616      * Loop through and display the info for each message.
 617      * ($t is used for the checkbox number)
 618      */
 619     $t = 0;
 620
 621     /* messages display */
 622
 623     if (!$num_msgs) {
 624     /* if there's no messages in this folder */
 625         echo html_tag( 'tr',
 626                 html_tag( 'td',
 627                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 628                           'center',
 629                           $color[4],
 630                           'COLSPAN="' . count($index_order) . '"'
 631                 )
 632         );
 633     } elseif ($start_msg == $end_msg) {
 634     /* if there's only one message in the box, handle it differently. */
 635         if ($sort != 6) {
 636             $i = $start_msg;
 637         } else {
 638             $i = 1;
 639         }
 640         reset($msort);
 641         $k = 0;
 642         do {
 643             $key = key($msort);
 644             next($msort);
 645             $k++;
 646         } while (isset ($key) && ($k < $i));
 647         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 648                          $real_startMessage, $where, $what);
 649     } else {
 650         $i = $start_msg;
 651         reset($msort);
 652         $k = 0;
 653         do {
 654             $key = key($msort);
 655             next($msort);
 656             $k++;
 657         } while (isset ($key) && ($k < $i));
 658         $not_last = true;
 659         do {
 660             if (!$i || $i == $endVar-1) $not_last = false;
 661                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 662                                  $real_startMessage, $where, $what);
 663             $key = key($msort);
 664             $t++;
 665             $i++;
 666             next($msort);
 667         } while ($i && $i < $endVar);
 668     }
 669 }
 670
 671 /*
 672  * Displays the standard message list header. To finish the table,
 673  * you need to do a "</table></table>";
 674  *
 675  * $moveURL is the URL to submit the delete/move form to
 676  * $mailbox is the current mailbox
 677  * $sort is the current sorting method (-1 for no sorting available [searches])
 678  * $Message is a message that is centered on top of the list
 679  * $More is a second line that is left aligned
 680  */
 681
 682 function mail_message_listing_beginning ($imapConnection,
 683                                          $mailbox = '', $sort = -1,
 684                                          $msg_cnt_str = '',
 685                                          $paginator = '&nbsp;',
 686                                          $start_msg = 1) {
 687     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 688            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 689            $PHP_SELF;
 690
 691     $php_self = $PHP_SELF;
 692     /* fix for incorrect $PHP_SELF */
 693     if (strpos($php_self, 'move_messages.php')) {
 694         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 695     }
 696     $urlMailbox = urlencode($mailbox);
 697
 698     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 699         $source_url = $regs[1];
 700     } else {
 701         $source_url = $php_self;
 702     }
 703
 704     if (!isset($msg)) {
 705         $msg = '';
 706     }
 707     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 708                   '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 709                   '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">';
 710
 711 //    $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 712 //             . "&amp;startMessage=$start_msg";
 713     /*
 714      * This is the beginning of the message list table.
 715      * It wraps around all messages
 716      */
 717     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 718     $form_name = "FormMsgs" . $safe_name;
 719     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 720         . $moveFields
 721         . html_tag( 'table' ,
 722             html_tag( 'tr',
 723                 html_tag( 'td' ,
 724                     html_tag( 'table' ,
 725                         html_tag( 'tr',
 726                             html_tag( 'td', $paginator, 'left' ) .
 727                             html_tag( 'td', $msg_cnt_str, 'right' )
 728                         )
 729                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 730                 , 'left', '', '' )
 731             , '', $color[0] )
 732             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 733         /* line between header and button area */
 734         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 735
 736         echo '<tr><td>';
 737         echo html_tag( 'tr' ) . "\n"
 738         . html_tag( 'td' ,'' , 'left', '', '' )
 739          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 740           . '<tr><td>'
 741            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 742             . html_tag( 'tr',
 743                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 744                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 745             )
 746             . html_tag( 'tr' ) ."\n"
 747             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 748             getMbxList($imapConnection);
 749             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 750             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 751
 752   echo "      </TD>\n"
 753          . html_tag( 'td', '', 'right', '', 'nowrap' );
 754
 755
 756
 757     if (!$auto_expunge) {
 758         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 759              .'&nbsp;' . _("mailbox") . "\n";
 760     }
 761     do_hook('mailbox_display_buttons');
 762     echo getButton('SUBMIT', 'markRead',_("Read"));
 763     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 764     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp;\n";
 765     if (!strpos($php_self,'mailbox')) {
 766         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 767     } else {
 768         $location = $php_self;
 769     }
 770     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 771     echo "</TD>\n"
 772          . "   </TR>\n";
 773
 774     /* draws thread sorting links */
 775     if ($allow_thread_sort == TRUE) {
 776         if ($thread_sort_messages == 1 ) {
 777             $set_thread = 2;
 778             $thread_name = _("Unthread View");
 779         } elseif ($thread_sort_messages == 0) {
 780             $set_thread = 1;
 781             $thread_name = _("Thread View");
 782         }
 783         echo html_tag( 'tr' ,
 784                     html_tag( 'td' ,
 785                               '&nbsp;<a href=' . $source_url . '?sort='
 786                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 787                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 788                               . '</a></small>&nbsp;'
 789                      , '', '', '' ) . html_tag( 'td', _("Bypass Trash") . '<input type="checkbox" name="bypass_trash">','right','','')
 790
 791                  , '', '', '' );
 792     }
 793
 794     echo "</TABLE></td></tr></table></td></tr>\n";
 795
 796     do_hook('mailbox_form_before');
 797
 798     /* if using server sort we highjack the
 799      * the $sort var and use $server_sort_order
 800      * instead. but here we reset sort for a bit
 801      * since its easy
 802      */
 803     if ($allow_server_sort == TRUE) {
 804         $sort = $server_sort_order;
 805     }
 806 }
 807
 808 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 809   if ($num_msgs) {
 810     /* space between list and footer */
 811     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 812
 813     echo '</td></tr><tr><td>';
 814     echo html_tag( 'table',
 815             html_tag( 'tr',
 816                 html_tag( 'td',
 817                     html_tag( 'table',
 818                         html_tag( 'tr',
 819                             html_tag( 'td', $paginator_str ) .
 820                             html_tag( 'td', $msg_cnt_str, 'right' )
 821                         )
 822                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 823                 )
 824             )
 825         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 826     echo '</td></tr>';
 827   }
 828     /* End of message-list table */
 829
 830     do_hook('mailbox_index_after');
 831     echo "</FORM>\n";
 832 }
 833
 834 function printHeader($mailbox, $sort, $color, $showsort=true) {
 835     global $index_order;
 836     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 837
 838     /* calculate the width of the subject column based on the
 839      * widths of the other columns */
 840     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 841     $subjectwidth = 100;
 842     foreach($index_order as $item) {
 843         $subjectwidth -= $widths[$item];
 844     }
 845
 846     foreach ($index_order as $item) {
 847         switch ($item) {
 848         case 1: /* checkbox */
 849         case 5: /* flags */
 850             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 851             break;
 852         case 2: /* from */
 853             if (handleAsSent($mailbox)) {
 854                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 855                      . '<b>' . _("To") . '</b>';
 856             } else {
 857                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 858                      . '<b>' . _("From") . '</b>';
 859             }
 860             if ($showsort) {
 861                 ShowSortButton($sort, $mailbox, 2, 3);
 862             }
 863             echo "</td>\n";
 864             break;
 865         case 3: /* date */
 866             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 867                  . '<b>' . _("Date") . '</b>';
 868             if ($showsort) {
 869                 ShowSortButton($sort, $mailbox, 0, 1);
 870             }
 871             echo "</td>\n";
 872             break;
 873         case 4: /* subject */
 874             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 875                  . '<b>' . _("Subject") . '</b>';
 876             if ($showsort) {
 877                 ShowSortButton($sort, $mailbox, 4, 5);
 878             }
 879             echo "</td>\n";
 880             break;
 881         case 6: /* size */
 882             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 883             break;
 884         }
 885     }
 886     echo "</tr>\n";
 887 }
 888
 889
 890 /*
 891  * This function shows the sort button. Isn't this a good comment?
 892  */
 893 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 894     global $PHP_SELF;
 895     /* Figure out which image we want to use. */
 896     if ($sort != $Up && $sort != $Down) {
 897         $img = 'sort_none.png';
 898         $which = $Up;
 899     } elseif ($sort == $Up) {
 900         $img = 'up_pointer.png';
 901         $which = $Down;
 902     } else {
 903         $img = 'down_pointer.png';
 904         $which = 6;
 905     }
 906
 907     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 908         $source_url = $regs[1];
 909     } else {
 910         $source_url = $PHP_SELF;
 911     }
 912
 913     /* Now that we have everything figured out, show the actual button. */
 914     echo ' <a href="' . $source_url .'?newsort=' . $which
 915          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 916          . '"><img src="../images/' . $img
 917          . '" border="0" width="12" height="10" alt="sort" title="'
 918          . _("Click here to change the sorting of the message list") .'"></a>';
 919 }
 920
 921 function get_selectall_link($start_msg, $sort) {
 922     global $checkall, $what, $where, $mailbox, $javascript_on;
 923     global $PHP_SELF, $PG_SHOWNUM;
 924
 925     $result = '';
 926     if ($javascript_on) {
 927         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 928         $func_name = "CheckAll" . $safe_name;
 929         $form_name = "FormMsgs" . $safe_name;
 930         $result = '<script language="JavaScript" type="text/javascript">'
 931                 . "\n<!-- \n"
 932                 . "function " . $func_name . "() {\n"
 933                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
 934                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
 935                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
 936                 . "      document." . $form_name . ".elements[i].checked = "
 937                 . "        !(document." . $form_name . ".elements[i].checked);\n"
 938                 . "    }\n"
 939                 . "  }\n"
 940                 . "}\n"
 941                 . "//-->\n"
 942                 . '</script><a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
 943 /*                . '</script><a href="javascript:' . $func_name . '()">' . _("Toggle All")*/
 944                 . "</a>\n";
 945     } else {
 946         if (strpos($PHP_SELF, "?")) {
 947             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 948                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 949         } else {
 950             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 951                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 952         }
 953         if (isset($checkall) && $checkall == '1') {
 954             $result .= '0';
 955         } else {
 956             $result .= '1';
 957         }
 958
 959         if (isset($where) && isset($what)) {
 960             $result .= '&amp;where=' . urlencode($where)
 961                     .  '&amp;what=' . urlencode($what);
 962         }
 963         $result .= "\">";
 964
 965         if (isset($checkall) && ($checkall == '1')) {
 966             $result .= _("Unselect All");
 967         } else {
 968             $result .= _("Select All");
 969         }
 970         $result .= "</A>\n";
 971     }
 972
 973     /* Return our final result. */
 974     return ($result);
 975 }
 976
 977 /*
 978  * This function computes the "Viewing Messages..." string.
 979  */
 980 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 981     /* Compute the $msg_cnt_str. */
 982     $result = '';
 983     if ($start_msg < $end_msg) {
 984         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 985                           $start_msg, $end_msg, $num_msgs);
 986     } else if ($start_msg == $end_msg) {
 987         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 988     } else {
 989         $result = '<br>';
 990     }
 991     /* Return our result string. */
 992     return ($result);
 993 }
 994
 995 /*
 996  * Generate a paginator link.
 997  */
 998 function get_paginator_link($box, $start_msg, $use, $text) {
 999     global $PHP_SELF;
1000
1001     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
1002             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1003             . "TARGET=\"right\">$text</A>";
1004     return ($result);
1005 /*
1006     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1007         $source_url = $regs[1];
1008     } else {
1009         $source_url = $PHP_SELF;
1010     }
1011
1012     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
1013             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1014             . "TARGET=\"right\">$text</A>";
1015     return ($result);
1016 */
1017 }
1018
1019 /*
1020  * This function computes the paginator string.
1021  */
1022 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1023                            $show_num, $sort) {
1024     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1025
1026     /* Initialize paginator string chunks. */
1027     $prv_str = '';
1028     $nxt_str = '';
1029     $pg_str  = '';
1030     $all_str = '';
1031     $tgl_str = '';
1032
1033     $box = urlencode($box);
1034
1035     /* Create simple strings that will be creating the paginator. */
1036     $spc = '&nbsp;';     /* This will be used as a space. */
1037     $sep = '|';          /* This will be used as a seperator. */
1038
1039     /* Get some paginator preference values. */
1040     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1041     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1042
1043     /* Make sure that our start message number is not too big. */
1044     $start_msg = min($start_msg, $num_msgs);
1045
1046     /* Decide whether or not we will use the mailbox cache. */
1047     /* Not sure why $use_mailbox_cache is even passed in.   */
1048     if ($sort == 6) {
1049         $use = 0;
1050     } else {
1051         $use = 1;
1052     }
1053
1054     /* Compute the starting message of the previous and next page group. */
1055     $next_grp = $start_msg + $show_num;
1056     $prev_grp = $start_msg - $show_num;
1057
1058     /* Compute the basic previous and next strings. */
1059     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1060         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1061         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1062     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1063         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1064         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1065     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1066         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1067         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1068     }
1069
1070     /* Page selector block. Following code computes page links. */
1071     if ($pg_sel && ($num_msgs > $show_num)) {
1072         /* Most importantly, what is the current page!!! */
1073         $cur_pg = intval($start_msg / $show_num) + 1;
1074
1075         /* Compute total # of pages and # of paginator page links. */
1076         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1077         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1078
1079         /* Compute the size of the four quarters of the page links. */
1080
1081         /* If we can, just show all the pages. */
1082         if (($tot_pgs - 1) <= $pg_max) {
1083             $q1_pgs = $cur_pg - 1;
1084             $q2_pgs = $q3_pgs = 0;
1085             $q4_pgs = $tot_pgs - $cur_pg;
1086
1087         /* Otherwise, compute some magic to choose the four quarters. */
1088         } else {
1089             /*
1090              * Compute the magic base values. Added together,
1091              * these values will always equal to the $pag_pgs.
1092              * NOTE: These are DEFAULT values and do not take
1093              * the current page into account. That is below.
1094              */
1095             $q1_pgs = floor($vis_pgs/4);
1096             $q2_pgs = round($vis_pgs/4, 0);
1097             $q3_pgs = ceil($vis_pgs/4);
1098             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1099
1100             /* Adjust if the first quarter contains the current page. */
1101             if (($cur_pg - $q1_pgs) < 1) {
1102                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1103                 $q1_pgs = $cur_pg - 1;
1104                 $q2_pgs = 0;
1105                 $q3_pgs += ceil($extra_pgs / 2);
1106                 $q4_pgs += floor($extra_pgs / 2);
1107
1108             /* Adjust if the first and second quarters intersect. */
1109             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1110                 $extra_pgs = $q2_pgs;
1111                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1112                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1113                 $q3_pgs += ceil($extra_pgs / 2);
1114                 $q4_pgs += floor($extra_pgs / 2);
1115
1116             /* Adjust if the fourth quarter contains the current page. */
1117             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1118                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1119                 $q3_pgs = 0;
1120                 $q4_pgs = $tot_pgs - $cur_pg;
1121                 $q1_pgs += floor($extra_pgs / 2);
1122                 $q2_pgs += ceil($extra_pgs / 2);
1123
1124             /* Adjust if the third and fourth quarter intersect. */
1125             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1126                 $extra_pgs = $q3_pgs;
1127                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1128                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1129                 $q1_pgs += floor($extra_pgs / 2);
1130                 $q2_pgs += ceil($extra_pgs / 2);
1131             }
1132         }
1133
1134         /*
1135          * I am leaving this debug code here, commented out, because
1136          * it is a really nice way to see what the above code is doing.
1137          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1138          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1139          */
1140
1141         /* Print out the page links from the compute page quarters. */
1142
1143         /* Start with the first quarter. */
1144         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1145             $pg_str .= "...$spc";
1146         } else {
1147             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1148                 $start = (($pg-1) * $show_num) + 1;
1149                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1150             }
1151             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1152                 $pg_str .= "...$spc";
1153             }
1154         }
1155
1156         /* Continue with the second quarter. */
1157         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1158             $start = (($pg-1) * $show_num) + 1;
1159             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1160         }
1161
1162         /* Now print the current page. */
1163         $pg_str .= $cur_pg . $spc;
1164
1165         /* Next comes the third quarter. */
1166         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1167             $start = (($pg-1) * $show_num) + 1;
1168             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1169         }
1170
1171         /* And last, print the forth quarter page links. */
1172         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1173             $pg_str .= "...$spc";
1174         } else {
1175             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1176                 $pg_str .= "...$spc";
1177             }
1178             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1179                 $start = (($pg-1) * $show_num) + 1;
1180                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1181             }
1182         }
1183     } else if ($PG_SHOWNUM == 999999) {
1184         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1185                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1186                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1187     }
1188
1189     /* If necessary, compute the 'show all' string. */
1190     if (($prv_str != '') || ($nxt_str != '')) {
1191         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1192                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1193                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1194     }
1195
1196     /* Last but not least, get the value for the toggle all link. */
1197     $tgl_str = get_selectall_link($start_msg, $sort);
1198
1199     /* Put all the pieces of the paginator string together. */
1200     /**
1201      * Hairy code... But let's leave it like it is since I am not certain
1202      * a different approach would be any easier to read. ;)
1203      */
1204     $result = '';
1205     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1206     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1207     $result .= ($pg_str  != '' ? $pg_str : '');
1208     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1209     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1210
1211     /* If the resulting string is blank, return a non-breaking space. */
1212     if ($result == '') {
1213         $result = '&nbsp;';
1214     }
1215
1216     /* Return our final magical paginator string. */
1217     return ($result);
1218 }
1219
1220 function truncateWithEntities($subject, $trim_at)
1221 {
1222     $ent_strlen = strlen($subject);
1223     if (($trim_at <= 0) || ($ent_strlen <= $trim_at))
1224         return $subject;
1225
1226     global $languages, $squirrelmail_language;
1227
1228     /*
1229      * see if this is entities-encoded string
1230      * If so, Iterate through the whole string, find out
1231      * the real number of characters, and if more
1232      * than $trim_at, substr with an updated trim value.
1233      */
1234     $trim_val = $trim_at;
1235     $ent_offset = 0;
1236     $ent_loc = 0;
1237     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1238             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1239         $trim_val += ($ent_loc_end-$ent_loc);
1240         $ent_offset  = $ent_loc_end+1;
1241     }
1242     if (($trim_val > $trim_at) && ($ent_strlen > $trim_val) && (strpos($subject,';',$trim_val) < ($trim_val + 6))) {
1243         $i = strpos($subject,';',$trim_val);
1244         if ($i) {
1245             $trim_val = strpos($subject,';',$trim_val);
1246         }
1247     }
1248     // only print '...' when we're actually dropping part of the subject
1249     if ($ent_strlen <= $trim_val)
1250         return $subject;
1251
1252     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1253         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1254         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1255     }
1256
1257     return substr_replace($subject, '...', $trim_val);
1258 }
1259
1260 function processSubject($subject, $threadlevel = 0) {
1261     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1262     if ($subject == '') {
1263         return _("(no subject)");
1264     }
1265
1266     global $truncate_subject;     /* number of characters for Subject field (<= 0 for unchanged) */
1267     $trim_at = $truncate_subject;
1268
1269     /* if this is threaded, subtract two chars per indentlevel */
1270     if (($threadlevel > 0) && ($threadlevel <= 10))
1271         $trim_at -= (2*$threadlevel);
1272
1273     return truncateWithEntities($subject, $trim_at);
1274 }
1275
1276 function getMbxList($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,$end_msg));
1309 }
1310
1311 // This should go in imap_mailbox.php
1312 function handleAsSent($mailbox) {
1313     global $handleAsSent_result;
1314
1315     /* First check if this is the sent or draft folder. */
1316     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1317
1318     /* Then check the result of the handleAsSent hook. */
1319     do_hook('check_handleAsSent_result', $mailbox);
1320
1321     /* And return the result. */
1322     return $handleAsSent_result;
1323 }
1324
1325 ?>