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/' . $icon_theme . '/flagged.png" border="0" height="10" width="10" /> ';
 286                     }
 287                     if ($default_use_priority) {
 288                         if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 289                             $td_str .= '<img src="' . SM_PATH . 'images/themes/' . $icon_theme . '/prio_high.png" border="0" height="10" width="5" /> ';
 290                         }
 291                         else if ($msg['PRIORITY'] == 5) {
 292                             $td_str .= '<img src="' . SM_PATH . 'images/themes/' . $icon_theme . '/prio_low.png" border="0" height="10" width="5" /> ';
 293                         }
 294                         else
 295                         {
 296                             $td_str .= '<img src="' . SM_PATH . 'images/themes/' . $icon_theme . '/transparent.png" border="0" width="5" /> ';
 297                         }
 298                     }
 299                     if ($msg['TYPE0'] == 'multipart') {
 300                         $td_str .= '<img src="' . SM_PATH . 'images/themes/' . $icon_theme . '/attach.png" border="0" height="10" width="6" />';
 301                     }
 302                     else
 303                     {
 304                         $td_str .= '<img src="' . SM_PATH . 'images/themes/' . $icon_theme . '/transparent.png" 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_alt = '(' . _("Answered") . ')';
 327                         $msg_title = '(' . _("Answered") . ')';
 328                         $msg_icon .= '_reply';
 329                     }
 330                     $td_str .= '<img src="' . $msg_icon . '.png" border="0" alt="'. $msg_alt . '" title="' . $msg_title . '" height="12" width="18" />';
 331                     $td_str .= '</small></b>';
 332                     echo html_tag( 'td',
 333                                    $td_str,
 334                                    'right',
 335                                    $hlt_color,
 336                                    'nowrap' );
 337                 }
 338
 339
 340                 // plain text message markers
 341                 //
 342                 else {
 343                     $stuff = false;
 344                     $td_str = "<b><small>";
 345                     if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 346                         $td_str .= _("A");
 347                         $stuff = true;
 348                     }
 349                     if ($msg['TYPE0'] == 'multipart') {
 350                         $td_str .= '+';
 351                         $stuff = true;
 352                     }
 353                     if ($default_use_priority) {
 354                         if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 355                             $td_str .= "<font color=\"$color[1]\">!</font>";
 356                             $stuff = true;
 357                         }
 358                         if ($msg['PRIORITY'] == 5) {
 359                             $td_str .= "<font color=\"$color[8]\">?</font>";
 360                             $stuff = true;
 361                         }
 362                     }
 363                     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 364                         $td_str .= "<font color=\"$color[1]\">D</font>";
 365                         $stuff = true;
 366                     }
 367                     if (!$stuff) {
 368                         $td_str .= '&nbsp;';
 369                     }
 370                     $td_str .= '</small></b>';
 371                     echo html_tag( 'td',
 372                                    $td_str,
 373                                    'center',
 374                                    $hlt_color,
 375                                    'nowrap' );
 376                 }
 377                 break;
 378             case 6: /* size */
 379                 echo html_tag( 'td',
 380                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 381                                $fontstr_end . $bold_end,
 382                                'right',
 383                                $hlt_color );
 384                 break;
 385             }
 386             ++$col;
 387         }
 388     }
 389     if ($not_last) {
 390         echo '</tr>' . "\n" . '<tr><td colspan="' . $col . '" bgcolor="' .
 391              $color[0] . '" height="1"></td></tr>' . "\n";
 392     } else {
 393         echo '</tr>'."\n";
 394     }
 395 }
 396
 397 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 398     if ($id != 'no') {
 399         $id = array_slice($id, ($start_msg-1), $show_num);
 400         $end = $start_msg + $show_num - 1;
 401         if ($num_msgs < $show_num) {
 402             $end_loop = $num_msgs;
 403         } else if ($end > $num_msgs) {
 404             $end_loop = $num_msgs - $start_msg + 1;
 405         } else {
 406             $end_loop = $show_num;
 407         }
 408         return fillMessageArray($imapConnection,$id,$end_loop,$show_num);
 409     } else {
 410         return false;
 411     }
 412 }
 413
 414 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 415     $id = get_thread_sort($imapConnection);
 416     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 417 }
 418
 419 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 420                                $num_msgs, $server_sort_order, $mbxresponse) {
 421     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 422     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 423 }
 424
 425 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 426                               $num_msgs, $sort, $mbxresponse) {
 427     $msgs = array();
 428     if ($num_msgs >= 1) {
 429         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 430         if ($sort < 6 ) {
 431             $end = $num_msgs;
 432             $end_loop = $end;
 433             /* set shownum to 999999 to fool sqimap_get_small_header_list
 434                and rebuild the msgs_str to 1:* */
 435             $show_num = 999999;
 436         } else {
 437             /* if it's not sorted */
 438             if ($start_msg + ($show_num - 1) < $num_msgs) {
 439                 $end_msg = $start_msg + ($show_num - 1);
 440             } else {
 441                 $end_msg = $num_msgs;
 442             }
 443             if ($end_msg < $start_msg) {
 444                 $start_msg = $start_msg - $show_num;
 445                 if ($start_msg < 1) {
 446                     $start_msg = 1;
 447                 }
 448             }
 449             $id = array_slice(array_reverse($id), ($start_msg-1), $show_num);
 450             $end = $start_msg + $show_num - 1;
 451             if ($num_msgs < $show_num) {
 452                 $end_loop = $num_msgs;
 453             } else if ($end > $num_msgs) {
 454                 $end_loop = $num_msgs - $start_msg + 1;
 455             } else {
 456                 $end_loop = $show_num;
 457             }
 458         }
 459         $msgs = fillMessageArray($imapConnection,$id,$end_loop, $show_num);
 460     }
 461     return $msgs;
 462 }
 463
 464
 465
 466 /*
 467  * This function loops through a group of messages in the mailbox
 468  * and shows them to the user.
 469  */
 470 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 471                                 $start_msg, $sort, $color, $show_num,
 472                                 $use_cache, $mode='') {
 473     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 474            $allow_server_sort, $server_sort_order;
 475
 476     /*
 477      * For some reason, on PHP 4.3+, this being unset, and set in the session causes havoc
 478      * so setting it to an empty array beforehand seems to clean up the issue, and stopping the
 479      * "Your script possibly relies on a session side-effect which existed until PHP 4.2.3" error
 480      */
 481
 482     if (!isset($msort)) {
 483         $msort = array();
 484     }
 485
 486     if (!isset($msgs)) {
 487         $msgs = array();
 488     }
 489
 490     //$start = microtime();
 491     /* If autoexpunge is turned on, then do it now. */
 492     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 493     $srt = $sort;
 494     /* If autoexpunge is turned on, then do it now. */
 495     if ($auto_expunge == true) {
 496         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 497         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 498         $num_msgs = $mbxresponse['EXISTS'];
 499     }
 500
 501     if ($mbxresponse['EXISTS'] > 0) {
 502         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 503          * in the last page. We need to re-adjust the start_msg
 504          */
 505
 506         if($start_msg > $num_msgs) {
 507             $start_msg -= $show_num;
 508             if($start_msg < 1) {
 509                 $start_msg = 1;
 510             }
 511         }
 512
 513         /* This code and the next if() block check for
 514          * server-side sorting methods. The $id array is
 515          * formatted and $sort is set to 6 to disable
 516          * SM internal sorting
 517          */
 518
 519         if ($thread_sort_messages == 1) {
 520             $mode = 'thread';
 521         } elseif ($allow_server_sort == 1) {
 522             $mode = 'serversort';
 523         } else {
 524             $mode = '';
 525         }
 526
 527         if ($use_cache) {
 528             sqgetGlobalVar('msgs', $msgs, SQ_SESSION);
 529             sqgetGlobalVar('msort', $msort, SQ_SESSION);
 530         } else {
 531             sqsession_unregister('msort');
 532             sqsession_unregister('msgs');       }
 533         switch ($mode) {
 534             case 'thread':
 535                 $msgs = getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs);
 536                 if ($msgs === false) {
 537                     echo '<b><small><center><font color=red>' .
 538                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 539                          '</center></small></b>';
 540                     $thread_sort_messages = 0;
 541                     $msort = $msgs = array();
 542                 } else {
 543                     $msort= $msgs;
 544                     $sort = 6;
 545                 }
 546                 break;
 547             case 'serversort':
 548                 $msgs = getServerSortMessages($imapConnection, $start_msg, $show_num,
 549                                               $num_msgs, $sort, $mbxresponse);
 550                 if ($msgs === false) {
 551                     echo '<b><small><center><font color=red>' .
 552                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 553                          '</center></small></b>';
 554                     $sort = $server_sort_order;
 555                     $allow_server_sort = FALSE;
 556                     $msort = $msgs = array();
 557                     $id = array();
 558                 } else {
 559                     $msort = $msgs;
 560                     $sort = 6;
 561                 }
 562                 break;
 563             default:
 564                 if (!$use_cache) {
 565                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 566                                                 $num_msgs, $sort, $mbxresponse);
 567                     $msort = calc_msort($msgs, $sort);
 568                 } /* !use cache */
 569                 break;
 570         } // switch
 571         sqsession_register($msort, 'msort');
 572         sqsession_register($msgs,  'msgs');
 573
 574     } /* if exists > 0 */
 575
 576     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 577     $start_msg = $res[0];
 578     $end_msg   = $res[1];
 579
 580     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 581                                        $num_msgs, $show_num, $sort);
 582
 583     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 584
 585     do_hook('mailbox_index_before');
 586 ?>
 587 <table border="0" width="100%" cellpadding="0" cellspacing="0">
 588   <tr>
 589     <td>
 590       <?php mail_message_listing_beginning($imapConnection, $mbxresponse, $mailbox, $sort,
 591                                            $msg_cnt_str, $paginator_str, $start_msg); ?>
 592     </td>
 593   </tr>
 594   <tr><td HEIGHT="5" BGCOLOR="<?php echo $color[4]; ?>"></td></tr>
 595   <tr>
 596     <td>
 597       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="<?php echo $color[9]; ?>">
 598         <tr>
 599           <td>
 600             <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="<?php echo $color[5]; ?>">
 601               <tr>
 602                 <td>
 603                   <?php
 604                     printHeader($mailbox, $srt, $color, !$thread_sort_messages, $start_msg);
 605                     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 606                                                 $msort, $mailbox, $sort, $color, $show_num,0,0);
 607                   ?>
 608                 </td>
 609               </tr>
 610             </table>
 611           </td>
 612         </tr>
 613       </table>
 614       <?php
 615         mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 616       ?>
 617     </td>
 618   </tr>
 619 </table>
 620 <?php
 621     //$t = elapsed($start);
 622     //echo("elapsed time = $t seconds\n");
 623 }
 624
 625 function calc_msort($msgs, $sort) {
 626
 627     /*
 628      * 0 = Date (up)
 629      * 1 = Date (dn)
 630      * 2 = Name (up)
 631      * 3 = Name (dn)
 632      * 4 = Subject (up)
 633      * 5 = Subject (dn)
 634      */
 635
 636     if (($sort == 0) || ($sort == 1)) {
 637         foreach ($msgs as $item) {
 638             $msort[] = $item['TIME_STAMP'];
 639         }
 640     } elseif (($sort == 2) || ($sort == 3)) {
 641         foreach ($msgs as $item) {
 642             $msort[] = $item['FROM-SORT'];
 643         }
 644     } elseif (($sort == 4) || ($sort == 5)) {
 645         foreach ($msgs as $item) {
 646             $msort[] = $item['SUBJECT-SORT'];
 647         }
 648     } else {
 649         $msort = $msgs;
 650     }
 651     if ($sort < 6) {
 652         if ($sort % 2) {
 653             asort($msort);
 654         } else {
 655             arsort($msort);
 656         }
 657     }
 658     return $msort;
 659 }
 660
 661 function fillMessageArray($imapConnection, $id, $count, $show_num=false) {
 662     return sqimap_get_small_header_list($imapConnection, $id, $show_num);
 663 }
 664
 665
 666 /* Generic function to convert the msgs array into an HTML table. */
 667 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 668                              $msort, $mailbox, $sort, $color,
 669                              $show_num, $where=0, $what=0) {
 670     global $imapServerAddress, $use_mailbox_cache, $index_order,
 671            $indent_array, $thread_sort_messages, $allow_server_sort,
 672            $server_sort_order, $PHP_SELF;
 673
 674     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 675     $start_msg = $res[0];
 676     $end_msg   = $res[1];
 677
 678     $urlMailbox = urlencode($mailbox);
 679
 680     /* get indent level for subject display */
 681     if ($thread_sort_messages == 1 && $num_msgs) {
 682         $indent_array = get_parent_level($imapConnection);
 683     }
 684
 685     $real_startMessage = $start_msg;
 686     if ($sort == 6) {
 687         if ($end_msg - $start_msg < $show_num - 1) {
 688             $end_msg = $end_msg - $start_msg + 1;
 689             $start_msg = 1;
 690         } else if ($start_msg > $show_num) {
 691             $end_msg = $show_num;
 692             $start_msg = 1;
 693         }
 694     }
 695     $endVar = $end_msg + 1;
 696
 697     /*
 698      * Loop through and display the info for each message.
 699      * ($t is used for the checkbox number)
 700      */
 701     $t = 0;
 702
 703     /* messages display */
 704
 705     if (!$num_msgs) {
 706     /* if there's no messages in this folder */
 707         echo html_tag( 'tr',
 708                 html_tag( 'td',
 709                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 710                           'center',
 711                           $color[4],
 712                           'COLSPAN="' . count($index_order) . '"'
 713                 )
 714         );
 715     } elseif ($start_msg == $end_msg) {
 716     /* if there's only one message in the box, handle it differently. */
 717         if ($sort != 6) {
 718             $i = $start_msg;
 719         } else {
 720             $i = 1;
 721         }
 722         reset($msort);
 723         $k = 0;
 724         do {
 725             $key = key($msort);
 726             next($msort);
 727             $k++;
 728         } while (isset ($key) && ($k < $i));
 729         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 730                          $real_startMessage, $where, $what);
 731     } else {
 732         $i = $start_msg;
 733         reset($msort);
 734         $k = 0;
 735         do {
 736             $key = key($msort);
 737             next($msort);
 738             $k++;
 739         } while (isset ($key) && ($k < $i));
 740         $not_last = true;
 741         do {
 742             if (!$i || $i == $endVar-1) $not_last = false;
 743                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 744                                  $real_startMessage, $where, $what);
 745             $key = key($msort);
 746             $t++;
 747             $i++;
 748             next($msort);
 749         } while ($i && $i < $endVar);
 750     }
 751 }
 752
 753 /*
 754  * Displays the standard message list header. To finish the table,
 755  * you need to do a "</table></table>";
 756  *
 757  * $moveURL is the URL to submit the delete/move form to
 758  * $mbxresponse is the array with the results of SELECT against the current mailbox
 759  * $mailbox is the current mailbox
 760  * $sort is the current sorting method (-1 for no sorting available [searches])
 761  * $Message is a message that is centered on top of the list
 762  * $More is a second line that is left aligned
 763  */
 764
 765 function mail_message_listing_beginning ($imapConnection,
 766                                          $mbxresponse,
 767                                          $mailbox = '', $sort = -1,
 768                                          $msg_cnt_str = '',
 769                                          $paginator = '&nbsp;',
 770                                          $start_msg = 1) {
 771     global $color, $auto_expunge, $base_uri, $show_flag_buttons,
 772            $allow_server_sort, $server_sort_order,
 773            $PHP_SELF, $allow_thread_sort, $thread_sort_messages;
 774
 775     $php_self = $PHP_SELF;
 776     /* fix for incorrect $PHP_SELF */
 777     if (strpos($php_self, 'move_messages.php')) {
 778         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 779     }
 780     $urlMailbox = urlencode($mailbox);
 781
 782     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 783         $source_url = $regs[1];
 784     } else {
 785         $source_url = $php_self;
 786     }
 787
 788     if (!isset($msg)) {
 789         $msg = '';
 790     }
 791
 792     if (!strpos($php_self,'?')) {
 793         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 794     } else {
 795         $location = $php_self;
 796     }
 797
 798     $moveFields = '<input type="hidden" name="msg" value="'.htmlspecialchars($msg).'">' .
 799                           '<input type="hidden" name="mailbox" value="'.htmlspecialchars($mailbox).'">' .
 800                           '<input type="hidden" name="startMessage" value="'.htmlspecialchars($start_msg).'">'.
 801                   '<input type="hidden" name="location" value="'.$location.'">';
 802
 803     /* build thread sorting links */
 804     if ($allow_thread_sort == TRUE) {
 805       if ($thread_sort_messages == 1 ) {
 806         $set_thread = 2;
 807         $thread_name = _("Unthread View");
 808       } elseif ($thread_sort_messages == 0) {
 809         $set_thread = 1;
 810         $thread_name = _("Thread View");
 811       }
 812       $thread_link_str = '<small>[<a href="' . $source_url . '?sort='
 813            . $sort . '&start_messages=1&set_thread=' . $set_thread
 814            . '&mailbox=' . urlencode($mailbox) . '">' . $thread_name
 815            . '</a>]</small>';
 816     }
 817     else
 818         $thread_link_str ='';
 819
 820     /*
 821      * This is the beginning of the message list table.
 822      * It wraps around all messages
 823      */
 824     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 825     $form_name = "FormMsgs" . $safe_name;
 826
 827     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 828              . $moveFields;
 829 ?>
 830       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 831         <tr>
 832           <td>
 833             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 834               <tr>
 835                 <td align="left"><small><?php echo $paginator; ?><?php echo $thread_link_str; ?></small></td>
 836                 <td align="center"></td>
 837                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 838               </tr>
 839             </table>
 840           </td>
 841         </tr>
 842         <tr width="100%" cellpadding="1"  cellspacing="0" border="0" bgcolor="<?php echo $color[0]; ?>">
 843           <td>
 844             <table border="0" width="100%" cellpadding="1"  cellspacing="0">
 845               <tr>
 846                 <td align="left">
 847                   <small><?php
 848
 849                     // display flag buttons only if supported
 850                     if ($show_flag_buttons && $mbxresponse != NULL &&
 851                       strpos($mbxresponse['PERMANENTFLAGS'], '\\Flagged') !== FALSE) {
 852                         echo getButton('SUBMIT', 'markUnflagged',_("Unflag"));
 853                         echo getButton('SUBMIT', 'markFlagged',_("Flag"));
 854                         echo '&nbsp;';
 855                     }
 856                     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 857                     echo getButton('SUBMIT', 'markRead',_("Read"));
 858                     echo '&nbsp;';
 859
 860                     echo getButton('SUBMIT', 'attache',_("Forward"));
 861                     echo '&nbsp;';
 862                     echo getButton('SUBMIT', 'delete',_("Delete"));
 863                     echo '<input type="checkbox" name="bypass_trash">' . _("Bypass Trash");
 864                     echo '&nbsp;';
 865                     if (!$auto_expunge) {
 866                       echo getButton('SUBMIT', 'expungeButton',_("Expunge"))  .'&nbsp;' . _("mailbox") . "\n";
 867                       echo '&nbsp;';
 868                     }
 869                     do_hook('mailbox_display_buttons');
 870                   ?></small>
 871                 </td>
 872                 <td align="right">
 873                   <small><?php
 874                     //echo $thread_link_str;    //previous behaviour
 875                     getMbxList($imapConnection);
 876                     echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 877                   ?></small>
 878                 </td>
 879               </tr>
 880             </table>
 881           </td>
 882         </tr>
 883       </table>
 884
 885 <?php
 886     do_hook('mailbox_form_before');
 887
 888     /* if using server sort we highjack the
 889      * the $sort var and use $server_sort_order
 890      * instead. but here we reset sort for a bit
 891      * since its easy
 892      */
 893     if ($allow_server_sort == TRUE) {
 894         $sort = $server_sort_order;
 895     }
 896 }
 897
 898 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 899   if ($num_msgs) {
 900     /* space between list and footer */
 901 ?>
 902   <tr><td HEIGHT="5" BGCOLOR="<?php echo $color[4]; ?>" COLSPAN="1"></td></tr>
 903   <tr>
 904     <td>
 905       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 906         <tr>
 907           <td>
 908             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 909               <tr>
 910                 <td align="left"><small><?php echo $paginator_str; ?></small></td>
 911                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 912               </tr>
 913             </table>
 914           </td>
 915         </tr>
 916       </table>
 917     </td>
 918   </tr>
 919 <?php
 920   }
 921     /* End of message-list table */
 922
 923     do_hook('mailbox_index_after');
 924     echo "</FORM>\n";
 925 }
 926
 927 function printHeader($mailbox, $sort, $color, $showsort=true, $start_msg=1) {
 928     global $index_order;
 929     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 930
 931     /* calculate the width of the subject column based on the
 932      * widths of the other columns */
 933     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 934     $subjectwidth = 100;
 935     foreach($index_order as $item) {
 936         $subjectwidth -= $widths[$item];
 937     }
 938
 939     foreach ($index_order as $item) {
 940         switch ($item) {
 941         case 1: /* checkbox */
 942             echo html_tag( 'td',get_selectall_link($start_msg, $sort, $mailbox) , '', '', 'width="1%"' );
 943             break;
 944         case 5: /* flags */
 945             echo html_tag( 'td','' , '', '', 'width="1%"' );
 946             break;
 947         case 2: /* from */
 948             if (handleAsSent($mailbox)) {
 949                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 950                      . '<b>' . _("To") . '</b>';
 951             } else {
 952                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 953                      . '<b>' . _("From") . '</b>';
 954             }
 955             if ($showsort) {
 956                 ShowSortButton($sort, $mailbox, 2, 3);
 957             }
 958             echo "</td>\n";
 959             break;
 960         case 3: /* date */
 961             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 962                  . '<b>' . _("Date") . '</b>';
 963             if ($showsort) {
 964                 ShowSortButton($sort, $mailbox, 0, 1);
 965             }
 966             echo "</td>\n";
 967             break;
 968         case 4: /* subject */
 969             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 970                  . '<b>' . _("Subject") . '</b>';
 971             if ($showsort) {
 972                 ShowSortButton($sort, $mailbox, 4, 5);
 973             }
 974             echo "</td>\n";
 975             break;
 976         case 6: /* size */
 977             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 978             break;
 979         }
 980     }
 981     echo "</tr>\n";
 982 }
 983
 984
 985 /*
 986  * This function shows the sort button. Isn't this a good comment?
 987  */
 988 function ShowSortButton($sort, $mailbox, $Down, $Up ) {
 989     global $PHP_SELF;
 990
 991     /* Figure out which image we want to use. */
 992     if ($sort != $Up && $sort != $Down) {
 993         $img = 'sort_none.png';
 994         $which = $Up;
 995     } elseif ($sort == $Up) {
 996         $img = 'up_pointer.png';
 997         $which = $Down;
 998     } else {
 999         $img = 'down_pointer.png';
1000         $which = 6;
1001     }
1002
1003     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1004         $source_url = $regs[1];
1005     } else {
1006         $source_url = $PHP_SELF;
1007     }
1008
1009     /* Now that we have everything figured out, show the actual button. */
1010     echo ' <a href="' . $source_url .'?newsort=' . $which
1011          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
1012          . '"><img src="../images/' . $img
1013          . '" border="0" width="12" height="10" alt="sort" title="'
1014          . _("Click here to change the sorting of the message list") .'"></a>';
1015 }
1016
1017 function get_selectall_link($start_msg, $sort, $mailbox) {
1018     global $checkall, $what, $where, $javascript_on;
1019     global $PHP_SELF, $PG_SHOWNUM;
1020
1021     $result = '';
1022     if ($javascript_on) {
1023         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
1024         $func_name = "CheckAll" . $safe_name;
1025         $form_name = "FormMsgs" . $safe_name;
1026         $result = '<script language="JavaScript" type="text/javascript">'
1027                 . "\n<!-- \n"
1028                 . "function " . $func_name . "() {\n"
1029                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
1030                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
1031                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
1032                 . "      document." . $form_name . ".elements[i].checked = "
1033                 . "        !(document." . $form_name . ".elements[i].checked);\n"
1034                 . "    }\n"
1035                 . "  }\n"
1036                 . "}\n"
1037                 . "//-->\n"
1038                 . '</script>'
1039                 . '<input type="checkbox" name="toggleAll" title="'._("Toggle All").'" onclick="'.$func_name.'();">';
1040 //                . <a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
1041 //                . "</a>\n";
1042     } else {
1043         if (strpos($PHP_SELF, "?")) {
1044             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
1045                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1046         } else {
1047             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
1048                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1049         }
1050         if (isset($checkall) && $checkall == '1') {
1051             $result .= '0';
1052         } else {
1053             $result .= '1';
1054         }
1055
1056         if (isset($where) && isset($what)) {
1057             $result .= '&amp;where=' . urlencode($where)
1058                     .  '&amp;what=' . urlencode($what);
1059         }
1060         $result .= "\">";
1061         $result .= _("All");
1062         $result .= "</A>\n";
1063     }
1064
1065     /* Return our final result. */
1066     return ($result);
1067 }
1068
1069 /*
1070  * This function computes the "Viewing Messages..." string.
1071  */
1072 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
1073     /* Compute the $msg_cnt_str. */
1074     $result = '';
1075     if ($start_msg < $end_msg) {
1076         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
1077                           $start_msg, $end_msg, $num_msgs);
1078     } else if ($start_msg == $end_msg) {
1079         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
1080     } else {
1081         $result = '<br>';
1082     }
1083     /* Return our result string. */
1084     return ($result);
1085 }
1086
1087 /*
1088  * Generate a paginator link.
1089  */
1090 function get_paginator_link($box, $start_msg, $use, $text) {
1091     global $PHP_SELF;
1092
1093     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
1094             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1095             . ">$text</A>";
1096     return ($result);
1097 /*
1098     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1099         $source_url = $regs[1];
1100     } else {
1101         $source_url = $PHP_SELF;
1102     }
1103
1104     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
1105             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1106             . ">$text</A>";
1107     return ($result);
1108 */
1109 }
1110
1111 /*
1112  * This function computes the paginator string.
1113  */
1114 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1115                            $show_num, $sort) {
1116     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1117
1118     /* Initialize paginator string chunks. */
1119     $prv_str = '';
1120     $nxt_str = '';
1121     $pg_str  = '';
1122     $all_str = '';
1123
1124     $box = urlencode($box);
1125
1126     /* Create simple strings that will be creating the paginator. */
1127     $spc = '&nbsp;';     /* This will be used as a space. */
1128     $sep = '|';          /* This will be used as a seperator. */
1129
1130     /* Get some paginator preference values. */
1131     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1132     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1133
1134     /* Make sure that our start message number is not too big. */
1135     $start_msg = min($start_msg, $num_msgs);
1136
1137     /* Decide whether or not we will use the mailbox cache. */
1138     /* Not sure why $use_mailbox_cache is even passed in.   */
1139     if ($sort == 6) {
1140         $use = 0;
1141     } else {
1142         $use = 1;
1143     }
1144
1145     /* Compute the starting message of the previous and next page group. */
1146     $next_grp = $start_msg + $show_num;
1147     $prev_grp = $start_msg - $show_num;
1148
1149     /* Compute the basic previous and next strings. */
1150     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1151         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1152         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1153     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1154         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1155         $nxt_str = _("Next");
1156     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1157         $prv_str = _("Previous");
1158         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1159     }
1160
1161     /* Page selector block. Following code computes page links. */
1162     if ($pg_sel && ($num_msgs > $show_num)) {
1163         /* Most importantly, what is the current page!!! */
1164         $cur_pg = intval($start_msg / $show_num) + 1;
1165
1166         /* Compute total # of pages and # of paginator page links. */
1167         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1168         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1169
1170         /* Compute the size of the four quarters of the page links. */
1171
1172         /* If we can, just show all the pages. */
1173         if (($tot_pgs - 1) <= $pg_max) {
1174             $q1_pgs = $cur_pg - 1;
1175             $q2_pgs = $q3_pgs = 0;
1176             $q4_pgs = $tot_pgs - $cur_pg;
1177
1178         /* Otherwise, compute some magic to choose the four quarters. */
1179         } else {
1180             /*
1181              * Compute the magic base values. Added together,
1182              * these values will always equal to the $pag_pgs.
1183              * NOTE: These are DEFAULT values and do not take
1184              * the current page into account. That is below.
1185              */
1186             $q1_pgs = floor($vis_pgs/4);
1187             $q2_pgs = round($vis_pgs/4, 0);
1188             $q3_pgs = ceil($vis_pgs/4);
1189             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1190
1191             /* Adjust if the first quarter contains the current page. */
1192             if (($cur_pg - $q1_pgs) < 1) {
1193                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1194                 $q1_pgs = $cur_pg - 1;
1195                 $q2_pgs = 0;
1196                 $q3_pgs += ceil($extra_pgs / 2);
1197                 $q4_pgs += floor($extra_pgs / 2);
1198
1199             /* Adjust if the first and second quarters intersect. */
1200             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1201                 $extra_pgs = $q2_pgs;
1202                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1203                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1204                 $q3_pgs += ceil($extra_pgs / 2);
1205                 $q4_pgs += floor($extra_pgs / 2);
1206
1207             /* Adjust if the fourth quarter contains the current page. */
1208             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1209                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1210                 $q3_pgs = 0;
1211                 $q4_pgs = $tot_pgs - $cur_pg;
1212                 $q1_pgs += floor($extra_pgs / 2);
1213                 $q2_pgs += ceil($extra_pgs / 2);
1214
1215             /* Adjust if the third and fourth quarter intersect. */
1216             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1217                 $extra_pgs = $q3_pgs;
1218                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1219                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1220                 $q1_pgs += floor($extra_pgs / 2);
1221                 $q2_pgs += ceil($extra_pgs / 2);
1222             }
1223         }
1224
1225         /*
1226          * I am leaving this debug code here, commented out, because
1227          * it is a really nice way to see what the above code is doing.
1228          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1229          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1230          */
1231
1232         /* Print out the page links from the compute page quarters. */
1233
1234         /* Start with the first quarter. */
1235         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1236             $pg_str .= "...$spc";
1237         } else {
1238             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1239                 $start = (($pg-1) * $show_num) + 1;
1240                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1241             }
1242             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1243                 $pg_str .= "...$spc";
1244             }
1245         }
1246
1247         /* Continue with the second quarter. */
1248         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1249             $start = (($pg-1) * $show_num) + 1;
1250             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1251         }
1252
1253         /* Now print the current page. */
1254         $pg_str .= $cur_pg . $spc;
1255
1256         /* Next comes the third quarter. */
1257         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1258             $start = (($pg-1) * $show_num) + 1;
1259             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1260         }
1261
1262         /* And last, print the forth quarter page links. */
1263         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1264             $pg_str .= "...$spc";
1265         } else {
1266             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1267                 $pg_str .= "...$spc";
1268             }
1269             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1270                 $start = (($pg-1) * $show_num) + 1;
1271                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1272             }
1273         }
1274     } else if ($PG_SHOWNUM == 999999) {
1275         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1276                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1277                 . ">" ._("Paginate") . '</A>';
1278     }
1279
1280     /* Put all the pieces of the paginator string together. */
1281     /**
1282      * Hairy code... But let's leave it like it is since I am not certain
1283      * a different approach would be any easier to read. ;)
1284      */
1285     $result = '';
1286     if ( $prv_str != '' || $nxt_str != '' )
1287     {
1288       $result .= '[';
1289       $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1290       $result .= ($nxt_str != '' ? $nxt_str : '');
1291       $result .= ']' . $spc ;
1292
1293       /* Compute the 'show all' string. */
1294       $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1295                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1296                  . ">" . _("Show All") . '</A>';
1297     }
1298
1299     $result .= ($pg_str  != '' ? $spc . '['.$spc.$pg_str.']' .  $spc : '');
1300     $result .= ($all_str != '' ? $spc . '['.$all_str.']' . $spc . $spc : '');
1301
1302     /* If the resulting string is blank, return a non-breaking space. */
1303     if ($result == '') {
1304         $result = '&nbsp;';
1305     }
1306
1307     /* Return our final magical paginator string. */
1308     return ($result);
1309 }
1310
1311 function truncateWithEntities($subject, $trim_at)
1312 {
1313     $ent_strlen = strlen($subject);
1314     if (($trim_at <= 0) || ($ent_strlen <= $trim_at))
1315         return $subject;
1316
1317     global $languages, $squirrelmail_language;
1318
1319     /*
1320      * see if this is entities-encoded string
1321      * If so, Iterate through the whole string, find out
1322      * the real number of characters, and if more
1323      * than $trim_at, substr with an updated trim value.
1324      */
1325     $trim_val = $trim_at;
1326     $ent_offset = 0;
1327     $ent_loc = 0;
1328     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1329             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1330         $trim_val += ($ent_loc_end-$ent_loc);
1331         $ent_offset  = $ent_loc_end+1;
1332     }
1333     if (($trim_val > $trim_at) && ($ent_strlen > $trim_val) && (strpos($subject,';',$trim_val) < ($trim_val + 6))) {
1334         $i = strpos($subject,';',$trim_val);
1335         if ($i) {
1336             $trim_val = strpos($subject,';',$trim_val);
1337         }
1338     }
1339     // only print '...' when we're actually dropping part of the subject
1340     if ($ent_strlen <= $trim_val)
1341         return $subject;
1342
1343     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1344         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1345         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1346     }
1347
1348     return substr_replace($subject, '...', $trim_val);
1349 }
1350
1351 function processSubject($subject, $threadlevel = 0) {
1352     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1353     if ($subject == '') {
1354         return _("(no subject)");
1355     }
1356
1357     global $truncate_subject;     /* number of characters for Subject field (<= 0 for unchanged) */
1358     $trim_at = $truncate_subject;
1359
1360     /* if this is threaded, subtract two chars per indentlevel */
1361     if (($threadlevel > 0) && ($threadlevel <= 10))
1362         $trim_at -= (2*$threadlevel);
1363
1364     return truncateWithEntities($subject, $trim_at);
1365 }
1366
1367 function getMbxList($imapConnection, $boxes = 0) {
1368     global $lastTargetMailbox;
1369     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1370     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes);
1371     echo '         </SELECT></TT>&nbsp;';
1372 }
1373
1374 function getButton($type, $name, $value, $js = '', $enabled = TRUE) {
1375     $disabled = ( $enabled ? '' : 'disabled ' );
1376     $js = ( $js ? $js.' ' : '' );
1377     return '<INPUT '.$disabled.$js.
1378                'TYPE="'.$type.
1379              '" NAME="'.$name.
1380             '" VALUE="'.$value .
1381             '" style="padding: 0px; margin: 0px">';
1382 }
1383
1384 function getSmallStringCell($string, $align) {
1385     return html_tag('td',
1386                     '<small>' . $string . ':&nbsp; </small>',
1387                     $align,
1388                     '',
1389                     'nowrap' );
1390 }
1391
1392 function getEndMessage($start_msg, $show_num, $num_msgs) {
1393     if ($start_msg + ($show_num - 1) < $num_msgs){
1394         $end_msg = $start_msg + ($show_num - 1);
1395     } else {
1396         $end_msg = $num_msgs;
1397     }
1398
1399     if ($end_msg < $start_msg) {
1400         $start_msg = $start_msg - $show_num;
1401         if ($start_msg < 1) {
1402             $start_msg = 1;
1403         }
1404     }
1405     return (array($start_msg,$end_msg));
1406 }
1407
1408 // This should go in imap_mailbox.php
1409 function handleAsSent($mailbox) {
1410     global $handleAsSent_result;
1411
1412     /* First check if this is the sent or draft folder. */
1413     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1414
1415     /* Then check the result of the handleAsSent hook. */
1416     do_hook('check_handleAsSent_result', $mailbox);
1417
1418     /* And return the result. */
1419     return $handleAsSent_result;
1420 }
1421
1422 ?>