functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.php
   5  *
   6  * Copyright (c) 1999-2004 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  * @package squirrelmail
  14  */
  15
  16 /** The standard includes.. */
  17 require_once(SM_PATH . 'functions/strings.php');
  18 require_once(SM_PATH . 'functions/html.php');
  19 require_once(SM_PATH . 'class/html.class.php');
  20 require_once(SM_PATH . 'functions/imap_mailbox.php');
  21 require_once(SM_PATH . 'functions/imap_messages.php');
  22 require_once(SM_PATH . 'functions/mime.php');
  23
  24 /**
  25  * default value for page_selector_max
  26  */
  27 define('PG_SEL_MAX', 10);
  28
  29 /**
  30  * @param mixed $start UNDOCUMENTED
  31  */
  32 function elapsed($start)
  33 {
  34    $end = microtime();
  35    list($start2, $start1) = explode(" ", $start);
  36    list($end2, $end1) = explode(" ", $end);
  37   $diff1 = $end1 - $start1;
  38    $diff2 = $end2 - $start2;
  39    if( $diff2 < 0 ){
  40        $diff1 -= 1;
  41        $diff2 += 1.0;
  42   }
  43    return $diff2 + $diff1;
  44 }
  45
  46 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  47                           $start_msg, $where, $what) {
  48     global $checkall,
  49            $color, $msgs, $msort, $td_str, $msg,
  50            $default_use_priority,
  51            $message_highlight_list,
  52            $index_order,
  53            $indent_array,         /* indent subject by */
  54            $pos,                  /* Search postion (if any)  */
  55            $thread_sort_messages, /* thread sorting on/off */
  56            $server_sort_order,    /* sort value when using server-sorting */
  57            $row_count,
  58            $allow_server_sort,    /* enable/disable server-side sorting */
  59            $truncate_sender,      /* number of characters for From/To field (<= 0 for unchanged) */
  60            $email_address,
  61            $show_recipient_instead,     /* show recipient name instead of default identity */
  62            $use_icons,            /* indicates to use icons or text markers */
  63            $icon_theme;           /* icons theming */
  64
  65     $color_string = $color[4];
  66
  67     if ($GLOBALS['alt_index_colors']) {
  68         if (!isset($row_count)) {
  69             $row_count = 0;
  70         }
  71         $row_count++;
  72         if ($row_count % 2) {
  73             if (!isset($color[12])) {
  74                 $color[12] = '#EAEAEA';
  75             }
  76             $color_string = $color[12];
  77         }
  78     }
  79     $msg = $msgs[$key];
  80
  81     if($mailbox == 'None') {
  82         $boxes   = sqimap_mailbox_list($imapConnection);
  83         $mailbox = $boxes[0]['unformatted'];
  84         unset($boxes);
  85     }
  86     $urlMailbox = urlencode($mailbox);
  87
  88     $bSentFolder = handleAsSent($mailbox);
  89     if ((!$bSentFolder) && ($show_recipient_instead)) {
  90         // If the From address is the same as $email_address, then handle as Sent
  91         $from_array = parseAddress($msg['FROM'], 1);
  92         if (!isset($email_address)) {
  93             global $datadir, $username;
  94             $email_address = getPref($datadir, $username, 'email_address');
  95         }
  96         $bHandleAsSent = ((isset($from_array[0][0])) && ($from_array[0][0] == $email_address));
  97     }
  98     else
  99         $bHandleAsSent = $bSentFolder;
 100     // If this is a Sent message, display To address instead of From
 101     if ($bHandleAsSent)
 102        $msg['FROM'] = $msg['TO'];
 103     // Passing 1 below results in only 1 address being parsed, thus defeating the following code
 104     $msg['FROM'] = parseAddress($msg['FROM']/*,1*/);
 105
 106        /*
 107         * This is done in case you're looking into Sent folders,
 108         * because you can have multiple receivers.
 109         */
 110     $senderNames = $msg['FROM'];
 111     $senderName  = '';
 112     $senderAddress = '';
 113     if (sizeof($senderNames)){
 114         foreach ($senderNames as $senderNames_part) {
 115             if ($senderName != '') {
 116                 $senderName .= ', ';
 117                 $senderAddress .= ', ';
 118             }
 119             $sender_address_part = htmlspecialchars($senderNames_part[0]);
 120             $sender_name_part = str_replace('&nbsp;',' ', decodeHeader($senderNames_part[1]));
 121             if ($sender_name_part) {
 122                 $senderName .= $sender_name_part;
 123                 $senderAddress .= $sender_name_part . ' <' . $sender_address_part . '>';
 124             } else {
 125                 $senderName .= $sender_address_part;
 126                 $senderAddress .= $sender_address_part;
 127             }
 128         }
 129     }
 130     // If Sent, prefix with To: but only if not Sent folder
 131     if ($bHandleAsSent ^ $bSentFolder) {
 132         $senderName = _("To:") . ' ' . $senderName;
 133         $senderAddress = _("To:") . ' ' . $senderAddress;
 134     }
 135
 136     if ($truncate_sender > 0)
 137        $senderName = truncateWithEntities($senderName, $truncate_sender);
 138
 139     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
 140
 141     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
 142         $flag = "<font color=\"$color[2]\">";
 143         $flag_end = '</font>';
 144     } else {
 145         $flag = '';
 146         $flag_end = '';
 147     }
 148     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
 149         $bold = '<b>';
 150         $bold_end = '</b>';
 151     } else {
 152         $bold = '';
 153         $bold_end = '';
 154     }
 155     if ($bHandleAsSent) {
 156         $italic = '<i>';
 157         $italic_end = '</i>';
 158     } else {
 159         $italic = '';
 160         $italic_end = '';
 161     }
 162     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 163         $fontstr = "<font color=\"$color[9]\">";
 164         $fontstr_end = '</font>';
 165     } else {
 166         $fontstr = '';
 167         $fontstr_end = '';
 168     }
 169
 170     if ($where && $what) {
 171         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 172     } else {
 173         $searchstr = '';
 174     }
 175
 176     if (is_array($message_highlight_list) && count($message_highlight_list)) {
 177         $msg['TO'] = parseAddress($msg['TO']);
 178         $msg['CC'] = parseAddress($msg['CC']);
 179         foreach ($message_highlight_list as $message_highlight_list_part) {
 180             if (trim($message_highlight_list_part['value']) != '') {
 181                 $high_val   = strtolower($message_highlight_list_part['value']);
 182                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 183                 if($match_type == 'TO_CC') {
 184                     $match = array('TO', 'CC');
 185                 } else {
 186                     $match = array($match_type);
 187                 }
 188                 foreach($match as $match_type) {
 189                     switch($match_type) {
 190                         case('TO'):
 191                         case('CC'):
 192                         case('FROM'):
 193                             foreach ($msg[$match_type] as $address) {
 194                                 $address[0] = decodeHeader($address[0], true, false);
 195                                 $address[1] = decodeHeader($address[1], true, false);
 196                                 if (strstr('^^' . strtolower($address[0]), $high_val) ||
 197                                     strstr('^^' . strtolower($address[1]), $high_val)) {
 198                                     $hlt_color = $message_highlight_list_part['color'];
 199                                     break 4;
 200                                 }
 201                             }
 202                             break;
 203                         default:
 204                             $headertest = strtolower(decodeHeader($msg[$match_type], true, false));
 205                             if (strstr('^^' . $headertest, $high_val)) {
 206                                 $hlt_color = $message_highlight_list_part['color'];
 207                                 break 3;
 208                             }
 209                             break;
 210                     }
 211                 }
 212             }
 213         }
 214     }
 215
 216     if (!isset($hlt_color)) {
 217         $hlt_color = $color_string;
 218     }
 219     $checked = ($checkall == 1) ? ' CHECKED' : '';
 220     $col = 0;
 221     $msg['SUBJECT'] = str_replace('&nbsp;', ' ', decodeHeader($msg['SUBJECT']));
 222     $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
 223     if (sizeof($index_order)) {
 224         foreach ($index_order as $index_order_part) {
 225             switch ($index_order_part) {
 226             case 1: /* checkbox */
 227                 echo html_tag( 'td',
 228                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 229                                'center',
 230                                $hlt_color );
 231                 break;
 232             case 2: /* from */
 233                 if ($senderAddress != $senderName) {
 234                     $senderAddress = strtr($senderAddress, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
 235                     $title = ' title="' . str_replace('"', "''", $senderAddress) . '"';
 236                 }
 237                 else
 238                     $title = '';
 239                 echo html_tag( 'td',
 240                                $italic . $bold . $flag . $fontstr . $senderName .
 241                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 242                                'left',
 243                                $hlt_color, $title );
 244                 break;
 245             case 3: /* date */
 246                 $date_string = $msg['DATE_STRING'] . '';
 247                 if ($date_string == '') {
 248                     $date_string = _("Unknown date");
 249                 }
 250                 echo html_tag( 'td',
 251                                $bold . $flag . $fontstr . $date_string .
 252                                $fontstr_end . $flag_end . $bold_end,
 253                                'center',
 254                                $hlt_color,
 255                                'nowrap' );
 256                 break;
 257             case 4: /* subject */
 258                 $td_str = $bold;
 259                 if ($thread_sort_messages == 1) {
 260                     if (isset($indent_array[$msg['ID']])) {
 261                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 262                     }
 263                 }
 264                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 265                         .  '&amp;passed_id='. $msg["ID"]
 266                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 267                 $td_str .= ' ' .concat_hook_function('subject_link', array($start_msg, $searchstr));
 268                 if ($subject != $msg['SUBJECT']) {
 269                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 270                     $title = array_flip($title);
 271                     $title = strtr($msg['SUBJECT'], $title);
 272                     $title = str_replace('"', "''", $title);
 273                     $td_str .= " title=\"$title\"";
 274                 }
 275                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 276                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 277                 break;
 278             case 5: /* flags */
 279
 280                 // icon message markers
 281                 //
 282                 if ($use_icons && $icon_theme != 'none') {
 283                     $td_str = "<b><small>";
 284                     if (isset($msg['FLAG_FLAGGED']) && $msg['FLAG_FLAGGED'] == true) {
 285                         $td_str .= _('<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/flagged.gif" border="0" height="10" width="10"> ');
 286                     }
 287                     if ($default_use_priority) {
 288                         if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 289                             $td_str .= '<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/prio_high.gif" border="0" height="10" width="5"> ';
 290                         }
 291                         else if ($msg['PRIORITY'] == 5) {
 292                             $td_str .= '<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/prio_low.gif" border="0" height="10" width="5"> ';
 293                         }
 294                         else
 295                         {
 296                             $td_str .= '<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/transparent.gif" border="0" width="5"> ';
 297                         }
 298                     }
 299                     if ($msg['TYPE0'] == 'multipart') {
 300                         $td_str .= '<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/attach.gif" border="0" height="10" width="6">';
 301                     }
 302                     else
 303                     {
 304                         $td_str .= '<IMG SRC="' . SM_PATH . 'images/themes/' . $icon_theme . '/transparent.gif" border="0" width="6">';
 305                     }
 306
 307                     $msg_icon = '';
 308                     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN']) == false)
 309                     {
 310                         $msg_alt = '(' . _("New") . ')';
 311                         $msg_title = '(' . _("New") . ')';
 312                         $msg_icon .= SM_PATH . 'images/themes/' . $icon_theme . '/msg_new';
 313                     }
 314                     else
 315                     {
 316                         $msg_alt = '(' . _("Read") . ')';
 317                         $msg_title = '(' . _("Read") . ')';
 318                         $msg_icon .= SM_PATH . 'images/themes/' . $icon_theme . '/msg_read';
 319                     }
 320                     if (isset($msg['FLAG_DELETED']) && ($msg['FLAG_DELETED']) == true)
 321                     {
 322                         $msg_icon .= '_deleted';
 323                     }
 324                     if (isset($msg['FLAG_ANSWERED']) && ($msg['FLAG_ANSWERED']) == true)
 325                     {
 326                         $msg_icon .= '_reply';
 327                     }
 328                     $td_str .= '<IMG SRC="' . $msg_icon . '.gif" border="0" alt="'. $msg_alt . '" title="' . $msg_title . '" height="12" width="18" >';
 329                     $td_str .= '</small></b>';
 330                     echo html_tag( 'td',
 331                                    $td_str,
 332                                    'right',
 333                                    $hlt_color,
 334                                    'nowrap' );
 335                 }
 336
 337
 338                 // plain text message markers
 339                 //
 340                 else {
 341                     $stuff = false;
 342                     $td_str = "<b><small>";
 343                     if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 344                         $td_str .= _("A");
 345                         $stuff = true;
 346                     }
 347                     if ($msg['TYPE0'] == 'multipart') {
 348                         $td_str .= '+';
 349                         $stuff = true;
 350                     }
 351                     if ($default_use_priority) {
 352                         if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 353                             $td_str .= "<font color=\"$color[1]\">!</font>";
 354                             $stuff = true;
 355                         }
 356                         if ($msg['PRIORITY'] == 5) {
 357                             $td_str .= "<font color=\"$color[8]\">?</font>";
 358                             $stuff = true;
 359                         }
 360                     }
 361                     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 362                         $td_str .= "<font color=\"$color[1]\">D</font>";
 363                         $stuff = true;
 364                     }
 365                     if (!$stuff) {
 366                         $td_str .= '&nbsp;';
 367                     }
 368                     $td_str .= '</small></b>';
 369                     echo html_tag( 'td',
 370                                    $td_str,
 371                                    'center',
 372                                    $hlt_color,
 373                                    'nowrap' );
 374                 }
 375                 break;
 376             case 6: /* size */
 377                 echo html_tag( 'td',
 378                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 379                                $fontstr_end . $bold_end,
 380                                'right',
 381                                $hlt_color );
 382                 break;
 383             }
 384             ++$col;
 385         }
 386     }
 387     if ($not_last) {
 388         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 389              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 390     } else {
 391         echo '</tr>'."\n";
 392     }
 393 }
 394
 395 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 396     if ($id != 'no') {
 397         $id = array_slice($id, ($start_msg-1), $show_num);
 398         $end = $start_msg + $show_num - 1;
 399         if ($num_msgs < $show_num) {
 400             $end_loop = $num_msgs;
 401         } else if ($end > $num_msgs) {
 402             $end_loop = $num_msgs - $start_msg + 1;
 403         } else {
 404             $end_loop = $show_num;
 405         }
 406         return fillMessageArray($imapConnection,$id,$end_loop,$show_num);
 407     } else {
 408         return false;
 409     }
 410 }
 411
 412 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 413     $id = get_thread_sort($imapConnection);
 414     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 415 }
 416
 417 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 418                                $num_msgs, $server_sort_order, $mbxresponse) {
 419     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 420     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 421 }
 422
 423 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 424                               $num_msgs, $sort, $mbxresponse) {
 425     $msgs = array();
 426     if ($num_msgs >= 1) {
 427         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 428         if ($sort < 6 ) {
 429             $end = $num_msgs;
 430             $end_loop = $end;
 431             /* set shownum to 999999 to fool sqimap_get_small_header_list
 432                and rebuild the msgs_str to 1:* */
 433             $show_num = 999999;
 434         } else {
 435             /* if it's not sorted */
 436             if ($start_msg + ($show_num - 1) < $num_msgs) {
 437                 $end_msg = $start_msg + ($show_num - 1);
 438             } else {
 439                 $end_msg = $num_msgs;
 440             }
 441             if ($end_msg < $start_msg) {
 442                 $start_msg = $start_msg - $show_num;
 443                 if ($start_msg < 1) {
 444                     $start_msg = 1;
 445                 }
 446             }
 447             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 448             $end = $start_msg + $show_num - 1;
 449             if ($num_msgs < $show_num) {
 450                 $end_loop = $num_msgs;
 451             } else if ($end > $num_msgs) {
 452                 $end_loop = $num_msgs - $start_msg + 1;
 453             } else {
 454                 $end_loop = $show_num;
 455             }
 456         }
 457         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 458     }
 459     return $msgs;
 460 }
 461
 462
 463
 464 /*
 465  * This function loops through a group of messages in the mailbox
 466  * and shows them to the user.
 467  */
 468 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 469                                 $start_msg, $sort, $color, $show_num,
 470                                 $use_cache, $mode='') {
 471     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 472            $allow_server_sort, $server_sort_order;
 473
 474     /*
 475      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 476      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 477      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 478      */
 479
 480     if (!isset($msort)) {
 481         $msort = array();
 482     }
 483
 484     if (!isset($msgs)) {
 485         $msgs = array();
 486     }
 487
 488     //$start = microtime();
 489     /* If autoexpunge is turned on, then do it now. */
 490     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 491     $srt = $sort;
 492     /* If autoexpunge is turned on, then do it now. */
 493     if ($auto_expunge == true) {
 494         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 495         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 496         $num_msgs = $mbxresponse['EXISTS'];
 497     }
 498
 499     if ($mbxresponse['EXISTS'] > 0) {
 500         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 501          * in the last page. We need to re-adjust the start_msg
 502          */
 503
 504         if($start_msg > $num_msgs) {
 505             $start_msg -= $show_num;
 506             if($start_msg < 1) {
 507                 $start_msg = 1;
 508             }
 509         }
 510
 511         /* This code and the next if() block check for
 512          * server-side sorting methods. The $id array is
 513          * formatted and $sort is set to 6 to disable
 514          * SM internal sorting
 515          */
 516
 517         if ($thread_sort_messages == 1) {
 518             $mode = 'thread';
 519         } elseif ($allow_server_sort == 1) {
 520             $mode = 'serversort';
 521         } else {
 522             $mode = '';
 523         }
 524
 525         if ($use_cache) {
 526             sqgetGlobalVar('msgs', $msgs, SQ_SESSION);
 527             sqgetGlobalVar('msort', $msort, SQ_SESSION);
 528         } else {
 529             sqsession_unregister('msort');
 530             sqsession_unregister('msgs');       }
 531         switch ($mode) {
 532             case 'thread':
 533                 $msgs = getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs);
 534                 if ($msgs === false) {
 535                     echo '<b><small><center><font color=red>' .
 536                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 537                          '</center></small></b>';
 538                     $thread_sort_messages = 0;
 539                     $msort = $msgs = array();
 540                 } else {
 541                     $msort= $msgs;
 542                     $sort = 6;
 543                 }
 544                 break;
 545             case 'serversort':
 546                 $msgs = getServerSortMessages($imapConnection, $start_msg, $show_num,
 547                                               $num_msgs, $sort, $mbxresponse);
 548                 if ($msgs === false) {
 549                     echo '<b><small><center><font color=red>' .
 550                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 551                          '</center></small></b>';
 552                     $sort = $server_sort_order;
 553                     $allow_server_sort = FALSE;
 554                     $msort = $msgs = array();
 555                     $id = array();
 556                 } else {
 557                     $msort = $msgs;
 558                     $sort = 6;
 559                 }
 560                 break;
 561             default:
 562                 if (!$use_cache) {
 563                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 564                                                 $num_msgs, $sort, $mbxresponse);
 565                     $msort = calc_msort($msgs, $sort);
 566                 } /* !use cache */
 567                 break;
 568         } // switch
 569         sqsession_register($msort, 'msort');
 570         sqsession_register($msgs,  'msgs');
 571
 572     } /* if exists > 0 */
 573
 574     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 575     $start_msg = $res[0];
 576     $end_msg   = $res[1];
 577
 578     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 579                                        $num_msgs, $show_num, $sort);
 580
 581     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 582
 583     do_hook('mailbox_index_before');
 584 ?>
 585 <table border="0" width="100%" cellpadding="0" cellspacing="0">
 586   <tr>
 587     <td>
 588       <?php mail_message_listing_beginning($imapConnection, $mbxresponse, $mailbox, $sort,
 589                                            $msg_cnt_str, $paginator_str, $start_msg); ?>
 590     </td>
 591   </tr>
 592   <tr><td HEIGHT="5" BGCOLOR="<?php echo $color[4]; ?>"></td></tr>
 593   <tr>
 594     <td>
 595       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="<?php echo $color[9]; ?>">
 596         <tr>
 597           <td>
 598             <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="<?php echo $color[5]; ?>">
 599               <tr>
 600                 <td>
 601                   <?php
 602                     printHeader($mailbox, $srt, $color, !$thread_sort_messages, $start_msg);
 603                     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 604                                                 $msort, $mailbox, $sort, $color, $show_num,0,0);
 605                   ?>
 606                 </td>
 607               </tr>
 608             </table>
 609           </td>
 610         </tr>
 611       </table>
 612       <?php
 613         mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 614       ?>
 615     </td>
 616   </tr>
 617 </table>
 618 <?php
 619     //$t = elapsed($start);
 620     //echo("elapsed time = $t seconds\n");
 621 }
 622
 623 function calc_msort($msgs, $sort) {
 624
 625     /*
 626      * 0 = Date (up)
 627      * 1 = Date (dn)
 628      * 2 = Name (up)
 629      * 3 = Name (dn)
 630      * 4 = Subject (up)
 631      * 5 = Subject (dn)
 632      */
 633
 634     if (($sort == 0) || ($sort == 1)) {
 635         foreach ($msgs as $item) {
 636             $msort[] = $item['TIME_STAMP'];
 637         }
 638     } elseif (($sort == 2) || ($sort == 3)) {
 639         foreach ($msgs as $item) {
 640             $msort[] = $item['FROM-SORT'];
 641         }
 642     } elseif (($sort == 4) || ($sort == 5)) {
 643         foreach ($msgs as $item) {
 644             $msort[] = $item['SUBJECT-SORT'];
 645         }
 646     } else {
 647         $msort = $msgs;
 648     }
 649     if ($sort < 6) {
 650         if ($sort % 2) {
 651             asort($msort);
 652         } else {
 653             arsort($msort);
 654         }
 655     }
 656     return $msort;
 657 }
 658
 659 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 660     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 661 }
 662
 663
 664 /* Generic function to convert the msgs array into an HTML table. */
 665 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 666                              $msort, $mailbox, $sort, $color,
 667                              $show_num, $where=0, $what=0) {
 668     global $imapServerAddress, $use_mailbox_cache, $index_order,
 669            $indent_array, $thread_sort_messages, $allow_server_sort,
 670            $server_sort_order, $PHP_SELF;
 671
 672     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 673     $start_msg = $res[0];
 674     $end_msg   = $res[1];
 675
 676     $urlMailbox = urlencode($mailbox);
 677
 678     /* get indent level for subject display */
 679     if ($thread_sort_messages == 1 && $num_msgs) {
 680         $indent_array = get_parent_level($imapConnection);
 681     }
 682
 683     $real_startMessage = $start_msg;
 684     if ($sort == 6) {
 685         if ($end_msg - $start_msg < $show_num - 1) {
 686             $end_msg = $end_msg - $start_msg + 1;
 687             $start_msg = 1;
 688         } else if ($start_msg > $show_num) {
 689             $end_msg = $show_num;
 690             $start_msg = 1;
 691         }
 692     }
 693     $endVar = $end_msg + 1;
 694
 695     /*
 696      * Loop through and display the info for each message.
 697      * ($t is used for the checkbox number)
 698      */
 699     $t = 0;
 700
 701     /* messages display */
 702
 703     if (!$num_msgs) {
 704     /* if there's no messages in this folder */
 705         echo html_tag( 'tr',
 706                 html_tag( 'td',
 707                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 708                           'center',
 709                           $color[4],
 710                           'COLSPAN="' . count($index_order) . '"'
 711                 )
 712         );
 713     } elseif ($start_msg == $end_msg) {
 714     /* if there's only one message in the box, handle it differently. */
 715         if ($sort != 6) {
 716             $i = $start_msg;
 717         } else {
 718             $i = 1;
 719         }
 720         reset($msort);
 721         $k = 0;
 722         do {
 723             $key = key($msort);
 724             next($msort);
 725             $k++;
 726         } while (isset ($key) && ($k < $i));
 727         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 728                          $real_startMessage, $where, $what);
 729     } else {
 730         $i = $start_msg;
 731         reset($msort);
 732         $k = 0;
 733         do {
 734             $key = key($msort);
 735             next($msort);
 736             $k++;
 737         } while (isset ($key) && ($k < $i));
 738         $not_last = true;
 739         do {
 740             if (!$i || $i == $endVar-1) $not_last = false;
 741                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 742                                  $real_startMessage, $where, $what);
 743             $key = key($msort);
 744             $t++;
 745             $i++;
 746             next($msort);
 747         } while ($i && $i < $endVar);
 748     }
 749 }
 750
 751 /*
 752  * Displays the standard message list header. To finish the table,
 753  * you need to do a "</table></table>";
 754  *
 755  * $moveURL is the URL to submit the delete/move form to
 756  * $mbxresponse is the array with the results of SELECT against the current mailbox
 757  * $mailbox is the current mailbox
 758  * $sort is the current sorting method (-1 for no sorting available [searches])
 759  * $Message is a message that is centered on top of the list
 760  * $More is a second line that is left aligned
 761  */
 762
 763 function mail_message_listing_beginning ($imapConnection,
 764                                          $mbxresponse,
 765                                          $mailbox = '', $sort = -1,
 766                                          $msg_cnt_str = '',
 767                                          $paginator = '&nbsp;',
 768                                          $start_msg = 1) {
 769     global $color, $auto_expunge, $base_uri, $show_flag_buttons,
 770            $allow_server_sort, $server_sort_order,
 771            $PHP_SELF, $allow_thread_sort, $thread_sort_messages;
 772
 773     $php_self = $PHP_SELF;
 774     /* fix for incorrect $PHP_SELF */
 775     if (strpos($php_self, 'move_messages.php')) {
 776         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 777     }
 778     $urlMailbox = urlencode($mailbox);
 779
 780     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 781         $source_url = $regs[1];
 782     } else {
 783         $source_url = $php_self;
 784     }
 785
 786     if (!isset($msg)) {
 787         $msg = '';
 788     }
 789
 790     if (!strpos($php_self,'?')) {
 791         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 792     } else {
 793         $location = $php_self;
 794     }
 795
 796     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 797                           '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 798                           '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">'.
 799                   '<input type="hidden" name="location" value="'.$location.'">';
 800
 801     /*
 802      * This is the beginning of the message list table.
 803      * It wraps around all messages
 804      */
 805     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 806     $form_name = "FormMsgs" . $safe_name;
 807     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 808              . $moveFields;
 809 ?>
 810       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 811         <tr>
 812           <td>
 813             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 814               <tr>
 815                 <td align="left"><small><?php echo $paginator; ?></small></td>
 816                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 817               </tr>
 818             </table>
 819           </td>
 820         </tr>
 821         <tr width="100%" cellpadding="1"  cellspacing="0" border="0" bgcolor="<?php echo $color[0]; ?>">
 822           <td>
 823             <table border="0" width="100%" cellpadding="1"  cellspacing="0">
 824               <tr>
 825                 <td align="left">
 826                   <small><?php
 827
 828                     // display flag buttons only if supported
 829                     if ($show_flag_buttons
 830                         && strpos($mbxresponse['PERMANENTFLAGS'], '\Flagged') !== FALSE) {
 831                         echo getButton('SUBMIT', 'markFlagged',_("Flag"));
 832                         echo '&nbsp;';
 833                         echo getButton('SUBMIT', 'markUnflagged',_("Unflag"));
 834                         echo '&nbsp;';
 835                     }
 836                     echo getButton('SUBMIT', 'markRead',_("Read"));
 837                     echo '&nbsp;';
 838                     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 839                     echo '&nbsp;';
 840                     echo getButton('SUBMIT', 'attache',_("Forward"));
 841                     echo '&nbsp;';
 842                     echo getButton('SUBMIT', 'delete',_("Delete"));
 843                     echo '<input type="checkbox" name="bypass_trash">' . _("Bypass Trash");
 844                     echo '&nbsp;';
 845                     if (!$auto_expunge) {
 846                       echo getButton('SUBMIT', 'expungeButton',_("Expunge"))  .'&nbsp;' . _("mailbox") . "\n";
 847                       echo '&nbsp;';
 848                     }
 849                     do_hook('mailbox_display_buttons');
 850                   ?></small>
 851                 </td>
 852                 <td align="right">
 853                   <small><?php
 854                     /* draws thread sorting links */
 855                     if ($allow_thread_sort == TRUE) {
 856                       if ($thread_sort_messages == 1 ) {
 857                         $set_thread = 2;
 858                         $thread_name = _("Unthread View");
 859                       } elseif ($thread_sort_messages == 0) {
 860                         $set_thread = 1;
 861                         $thread_name = _("Thread View");
 862                       }
 863                       echo '&nbsp;&nbsp;<small>[<a href="' . $source_url . '?sort='
 864                            . $sort . '&start_messages=1&set_thread=' . $set_thread
 865                            . '&mailbox=' . urlencode($mailbox) . '">' . $thread_name
 866                            . '</a>]</small>';
 867                     }
 868                     getMbxList($imapConnection);
 869                     echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 870                   ?></small>
 871                 </td>
 872               </tr>
 873             </table>
 874           </td>
 875         </tr>
 876       </table>
 877
 878 <?php
 879     do_hook('mailbox_form_before');
 880
 881     /* if using server sort we highjack the
 882      * the $sort var and use $server_sort_order
 883      * instead. but here we reset sort for a bit
 884      * since its easy
 885      */
 886     if ($allow_server_sort == TRUE) {
 887         $sort = $server_sort_order;
 888     }
 889 }
 890
 891 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 892   if ($num_msgs) {
 893     /* space between list and footer */
 894 ?>
 895   <tr><td HEIGHT="5" BGCOLOR="<?php echo $color[4]; ?>" COLSPAN="1"></td></tr>
 896   <tr>
 897     <td>
 898       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 899         <tr>
 900           <td>
 901             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 902               <tr>
 903                 <td align="left"><small><?php echo $paginator_str; ?></small></td>
 904                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 905               </tr>
 906             </table>
 907           </td>
 908         </tr>
 909       </table>
 910     </td>
 911   </tr>
 912 <?php
 913   }
 914     /* End of message-list table */
 915
 916     do_hook('mailbox_index_after');
 917     echo "</FORM>\n";
 918 }
 919
 920 function printHeader($mailbox, $sort, $color, $showsort=true, $start_msg=1) {
 921     global $index_order;
 922     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 923
 924     /* calculate the width of the subject column based on the
 925      * widths of the other columns */
 926     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 927     $subjectwidth = 100;
 928     foreach($index_order as $item) {
 929         $subjectwidth -= $widths[$item];
 930     }
 931
 932     foreach ($index_order as $item) {
 933         switch ($item) {
 934         case 1: /* checkbox */
 935             echo html_tag( 'td',get_selectall_link($start_msg, $sort) , '', '', 'width="1%"' );
 936             break;
 937         case 5: /* flags */
 938             echo html_tag( 'td','' , '', '', 'width="1%"' );
 939             break;
 940         case 2: /* from */
 941             if (handleAsSent($mailbox)) {
 942                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 943                      . '<b>' . _("To") . '</b>';
 944             } else {
 945                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 946                      . '<b>' . _("From") . '</b>';
 947             }
 948             if ($showsort) {
 949                 ShowSortButton($sort, $mailbox, 2, 3);
 950             }
 951             echo "</td>\n";
 952             break;
 953         case 3: /* date */
 954             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 955                  . '<b>' . _("Date") . '</b>';
 956             if ($showsort) {
 957                 ShowSortButton($sort, $mailbox, 0, 1);
 958             }
 959             echo "</td>\n";
 960             break;
 961         case 4: /* subject */
 962             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 963                  . '<b>' . _("Subject") . '</b>';
 964             if ($showsort) {
 965                 ShowSortButton($sort, $mailbox, 4, 5);
 966             }
 967             echo "</td>\n";
 968             break;
 969         case 6: /* size */
 970             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 971             break;
 972         }
 973     }
 974     echo "</tr>\n";
 975 }
 976
 977
 978 /*
 979  * This function shows the sort button. Isn't this a good comment?
 980  */
 981 function ShowSortButton($sort, $mailbox, $Down, $Up ) {
 982     global $PHP_SELF;
 983
 984     /* Figure out which image we want to use. */
 985     if ($sort != $Up && $sort != $Down) {
 986         $img = 'sort_none.png';
 987         $which = $Up;
 988     } elseif ($sort == $Up) {
 989         $img = 'up_pointer.png';
 990         $which = $Down;
 991     } else {
 992         $img = 'down_pointer.png';
 993         $which = 6;
 994     }
 995
 996     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 997         $source_url = $regs[1];
 998     } else {
 999         $source_url = $PHP_SELF;
1000     }
1001
1002     /* Now that we have everything figured out, show the actual button. */
1003     echo ' <a href="' . $source_url .'?newsort=' . $which
1004          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
1005          . '"><img src="../images/' . $img
1006          . '" border="0" width="12" height="10" alt="sort" title="'
1007          . _("Click here to change the sorting of the message list") .'"></a>';
1008 }
1009
1010 function get_selectall_link($start_msg, $sort) {
1011     global $checkall, $what, $where, $mailbox, $javascript_on;
1012     global $PHP_SELF, $PG_SHOWNUM;
1013
1014     $result = '';
1015     if ($javascript_on) {
1016         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
1017         $func_name = "CheckAll" . $safe_name;
1018         $form_name = "FormMsgs" . $safe_name;
1019         $result = '<script language="JavaScript" type="text/javascript">'
1020                 . "\n<!-- \n"
1021                 . "function " . $func_name . "() {\n"
1022                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
1023                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
1024                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
1025                 . "      document." . $form_name . ".elements[i].checked = "
1026                 . "        !(document." . $form_name . ".elements[i].checked);\n"
1027                 . "    }\n"
1028                 . "  }\n"
1029                 . "}\n"
1030                 . "//-->\n"
1031                 . '</script>'
1032                 . '<input type="checkbox" name="toggleAll" title="'._("Toggle All").'" onclick="'.$func_name.'();">';
1033 //                . <a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
1034 //                . "</a>\n";
1035     } else {
1036         if (strpos($PHP_SELF, "?")) {
1037             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
1038                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1039         } else {
1040             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
1041                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1042         }
1043         if (isset($checkall) && $checkall == '1') {
1044             $result .= '0';
1045         } else {
1046             $result .= '1';
1047         }
1048
1049         if (isset($where) && isset($what)) {
1050             $result .= '&amp;where=' . urlencode($where)
1051                     .  '&amp;what=' . urlencode($what);
1052         }
1053         $result .= "\">";
1054
1055         if (isset($checkall) && ($checkall == '1')) {
1056             $result .= _("Unselect All");
1057         } else {
1058             $result .= _("Select All");
1059         }
1060         $result .= "</A>\n";
1061     }
1062
1063     /* Return our final result. */
1064     return ($result);
1065 }
1066
1067 /*
1068  * This function computes the "Viewing Messages..." string.
1069  */
1070 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
1071     /* Compute the $msg_cnt_str. */
1072     $result = '';
1073     if ($start_msg < $end_msg) {
1074         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
1075                           $start_msg, $end_msg, $num_msgs);
1076     } else if ($start_msg == $end_msg) {
1077         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
1078     } else {
1079         $result = '<br>';
1080     }
1081     /* Return our result string. */
1082     return ($result);
1083 }
1084
1085 /*
1086  * Generate a paginator link.
1087  */
1088 function get_paginator_link($box, $start_msg, $use, $text) {
1089     global $PHP_SELF;
1090
1091     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
1092             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1093             . ">$text</A>";
1094     return ($result);
1095 /*
1096     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1097         $source_url = $regs[1];
1098     } else {
1099         $source_url = $PHP_SELF;
1100     }
1101
1102     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
1103             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1104             . ">$text</A>";
1105     return ($result);
1106 */
1107 }
1108
1109 /*
1110  * This function computes the paginator string.
1111  */
1112 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1113                            $show_num, $sort) {
1114     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1115
1116     /* Initialize paginator string chunks. */
1117     $prv_str = '';
1118     $nxt_str = '';
1119     $pg_str  = '';
1120     $all_str = '';
1121
1122     $box = urlencode($box);
1123
1124     /* Create simple strings that will be creating the paginator. */
1125     $spc = '&nbsp;';     /* This will be used as a space. */
1126     $sep = '|';          /* This will be used as a seperator. */
1127
1128     /* Get some paginator preference values. */
1129     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1130     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1131
1132     /* Make sure that our start message number is not too big. */
1133     $start_msg = min($start_msg, $num_msgs);
1134
1135     /* Decide whether or not we will use the mailbox cache. */
1136     /* Not sure why $use_mailbox_cache is even passed in.   */
1137     if ($sort == 6) {
1138         $use = 0;
1139     } else {
1140         $use = 1;
1141     }
1142
1143     /* Compute the starting message of the previous and next page group. */
1144     $next_grp = $start_msg + $show_num;
1145     $prev_grp = $start_msg - $show_num;
1146
1147     /* Compute the basic previous and next strings. */
1148     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1149         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1150         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1151     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1152         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1153         $nxt_str = _("Next");
1154     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1155         $prv_str = _("Previous");
1156         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1157     }
1158
1159     /* Page selector block. Following code computes page links. */
1160     if ($pg_sel && ($num_msgs > $show_num)) {
1161         /* Most importantly, what is the current page!!! */
1162         $cur_pg = intval($start_msg / $show_num) + 1;
1163
1164         /* Compute total # of pages and # of paginator page links. */
1165         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1166         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1167
1168         /* Compute the size of the four quarters of the page links. */
1169
1170         /* If we can, just show all the pages. */
1171         if (($tot_pgs - 1) <= $pg_max) {
1172             $q1_pgs = $cur_pg - 1;
1173             $q2_pgs = $q3_pgs = 0;
1174             $q4_pgs = $tot_pgs - $cur_pg;
1175
1176         /* Otherwise, compute some magic to choose the four quarters. */
1177         } else {
1178             /*
1179              * Compute the magic base values. Added together,
1180              * these values will always equal to the $pag_pgs.
1181              * NOTE: These are DEFAULT values and do not take
1182              * the current page into account. That is below.
1183              */
1184             $q1_pgs = floor($vis_pgs/4);
1185             $q2_pgs = round($vis_pgs/4, 0);
1186             $q3_pgs = ceil($vis_pgs/4);
1187             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1188
1189             /* Adjust if the first quarter contains the current page. */
1190             if (($cur_pg - $q1_pgs) < 1) {
1191                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1192                 $q1_pgs = $cur_pg - 1;
1193                 $q2_pgs = 0;
1194                 $q3_pgs += ceil($extra_pgs / 2);
1195                 $q4_pgs += floor($extra_pgs / 2);
1196
1197             /* Adjust if the first and second quarters intersect. */
1198             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1199                 $extra_pgs = $q2_pgs;
1200                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1201                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1202                 $q3_pgs += ceil($extra_pgs / 2);
1203                 $q4_pgs += floor($extra_pgs / 2);
1204
1205             /* Adjust if the fourth quarter contains the current page. */
1206             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1207                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1208                 $q3_pgs = 0;
1209                 $q4_pgs = $tot_pgs - $cur_pg;
1210                 $q1_pgs += floor($extra_pgs / 2);
1211                 $q2_pgs += ceil($extra_pgs / 2);
1212
1213             /* Adjust if the third and fourth quarter intersect. */
1214             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1215                 $extra_pgs = $q3_pgs;
1216                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1217                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1218                 $q1_pgs += floor($extra_pgs / 2);
1219                 $q2_pgs += ceil($extra_pgs / 2);
1220             }
1221         }
1222
1223         /*
1224          * I am leaving this debug code here, commented out, because
1225          * it is a really nice way to see what the above code is doing.
1226          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1227          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1228          */
1229
1230         /* Print out the page links from the compute page quarters. */
1231
1232         /* Start with the first quarter. */
1233         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1234             $pg_str .= "...$spc";
1235         } else {
1236             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1237                 $start = (($pg-1) * $show_num) + 1;
1238                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1239             }
1240             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1241                 $pg_str .= "...$spc";
1242             }
1243         }
1244
1245         /* Continue with the second quarter. */
1246         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1247             $start = (($pg-1) * $show_num) + 1;
1248             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1249         }
1250
1251         /* Now print the current page. */
1252         $pg_str .= $cur_pg . $spc;
1253
1254         /* Next comes the third quarter. */
1255         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1256             $start = (($pg-1) * $show_num) + 1;
1257             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1258         }
1259
1260         /* And last, print the forth quarter page links. */
1261         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1262             $pg_str .= "...$spc";
1263         } else {
1264             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1265                 $pg_str .= "...$spc";
1266             }
1267             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1268                 $start = (($pg-1) * $show_num) + 1;
1269                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1270             }
1271         }
1272     } else if ($PG_SHOWNUM == 999999) {
1273         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1274                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1275                 . ">" ._("Paginate") . '</A>';
1276     }
1277
1278     /* Put all the pieces of the paginator string together. */
1279     /**
1280      * Hairy code... But let's leave it like it is since I am not certain
1281      * a different approach would be any easier to read. ;)
1282      */
1283     $result = '';
1284     if ( $prv_str != '' || $nxt_str != '' )
1285     {
1286       $result .= '[';
1287       $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1288       $result .= ($nxt_str != '' ? $nxt_str : '');
1289       $result .= ']' . $spc ;
1290
1291       /* Compute the 'show all' string. */
1292       $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1293                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1294                  . ">" . _("Show All") . '</A>';
1295     }
1296
1297     $result .= ($pg_str  != '' ? $spc . '['.$spc.$pg_str.']' .  $spc : '');
1298     $result .= ($all_str != '' ? $spc . '['.$all_str.']' . $spc . $spc : '');
1299
1300     /* If the resulting string is blank, return a non-breaking space. */
1301     if ($result == '') {
1302         $result = '&nbsp;';
1303     }
1304
1305     /* Return our final magical paginator string. */
1306     return ($result);
1307 }
1308
1309 function truncateWithEntities($subject, $trim_at)
1310 {
1311     $ent_strlen = strlen($subject);
1312     if (($trim_at <= 0) || ($ent_strlen <= $trim_at))
1313         return $subject;
1314
1315     global $languages, $squirrelmail_language;
1316
1317     /*
1318      * see if this is entities-encoded string
1319      * If so, Iterate through the whole string, find out
1320      * the real number of characters, and if more
1321      * than $trim_at, substr with an updated trim value.
1322      */
1323     $trim_val = $trim_at;
1324     $ent_offset = 0;
1325     $ent_loc = 0;
1326     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1327             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1328         $trim_val += ($ent_loc_end-$ent_loc);
1329         $ent_offset  = $ent_loc_end+1;
1330     }
1331     if (($trim_val > $trim_at) && ($ent_strlen > $trim_val) && (strpos($subject,';',$trim_val) < ($trim_val + 6))) {
1332         $i = strpos($subject,';',$trim_val);
1333         if ($i) {
1334             $trim_val = strpos($subject,';',$trim_val);
1335         }
1336     }
1337     // only print '...' when we're actually dropping part of the subject
1338     if ($ent_strlen <= $trim_val)
1339         return $subject;
1340
1341     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1342         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1343         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1344     }
1345
1346     return substr_replace($subject, '...', $trim_val);
1347 }
1348
1349 function processSubject($subject, $threadlevel = 0) {
1350     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1351     if ($subject == '') {
1352         return _("(no subject)");
1353     }
1354
1355     global $truncate_subject;     /* number of characters for Subject field (<= 0 for unchanged) */
1356     $trim_at = $truncate_subject;
1357
1358     /* if this is threaded, subtract two chars per indentlevel */
1359     if (($threadlevel > 0) && ($threadlevel <= 10))
1360         $trim_at -= (2*$threadlevel);
1361
1362     return truncateWithEntities($subject, $trim_at);
1363 }
1364
1365 function getMbxList($imapConnection, $boxes = 0) {
1366     global $lastTargetMailbox;
1367     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1368     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes);
1369     echo '         </SELECT></TT>&nbsp;';
1370 }
1371
1372 function getButton($type, $name, $value) {
1373     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '" style="padding: 0px; margin: 0px">';
1374 }
1375
1376 function getSmallStringCell($string, $align) {
1377     return html_tag('td',
1378                     '<small>' . $string . ':&nbsp; </small>',
1379                     $align,
1380                     '',
1381                     'nowrap' );
1382 }
1383
1384 function getEndMessage($start_msg, $show_num, $num_msgs) {
1385     if ($start_msg + ($show_num - 1) < $num_msgs){
1386         $end_msg = $start_msg + ($show_num - 1);
1387     } else {
1388         $end_msg = $num_msgs;
1389     }
1390
1391     if ($end_msg < $start_msg) {
1392         $start_msg = $start_msg - $show_num;
1393         if ($start_msg < 1) {
1394             $start_msg = 1;
1395         }
1396     }
1397     return (array($start_msg,$end_msg));
1398 }
1399
1400 // This should go in imap_mailbox.php
1401 function handleAsSent($mailbox) {
1402     global $handleAsSent_result;
1403
1404     /* First check if this is the sent or draft folder. */
1405     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1406
1407     /* Then check the result of the handleAsSent hook. */
1408     do_hook('check_handleAsSent_result', $mailbox);
1409
1410     /* And return the result. */
1411     return $handleAsSent_result;
1412 }
1413
1414 ?>