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_alt = '(' . _("Answered") . ')';
 327                         $msg_title = '(' . _("Answered") . ')';
 328                         $msg_icon .= '_reply';
 329                     }
 330                     $td_str .= '<IMG SRC="' . $msg_icon . '.gif" 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     /*
 804      * This is the beginning of the message list table.
 805      * It wraps around all messages
 806      */
 807     $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
 808     $form_name = "FormMsgs" . $safe_name;
 809
 810     echo '<form name="' . $form_name . '" method="post" action="move_messages.php">' ."\n"
 811              . $moveFields;
 812 ?>
 813       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 814         <tr>
 815           <td>
 816             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 817               <tr>
 818                 <td align="left"><small><?php echo $paginator; ?></small></td>
 819                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 820               </tr>
 821             </table>
 822           </td>
 823         </tr>
 824         <tr width="100%" cellpadding="1"  cellspacing="0" border="0" bgcolor="<?php echo $color[0]; ?>">
 825           <td>
 826             <table border="0" width="100%" cellpadding="1"  cellspacing="0">
 827               <tr>
 828                 <td align="left">
 829                   <small><?php
 830
 831                     // display flag buttons only if supported
 832                     if ($show_flag_buttons && $mbxresponse != NULL &&
 833                         strpos($mbxresponse['PERMANENTFLAGS'], '\Flagged') !== FALSE) {
 834                         echo getButton('SUBMIT', 'markFlagged',_("Flag"));
 835                         echo '&nbsp;';
 836                         echo getButton('SUBMIT', 'markUnflagged',_("Unflag"));
 837                         echo '&nbsp;';
 838                     }
 839                     echo getButton('SUBMIT', 'markRead',_("Read"));
 840                     echo '&nbsp;';
 841                     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 842                     echo '&nbsp;';
 843                     echo getButton('SUBMIT', 'attache',_("Forward"));
 844                     echo '&nbsp;';
 845                     echo getButton('SUBMIT', 'delete',_("Delete"));
 846                     echo '<input type="checkbox" name="bypass_trash">' . _("Bypass Trash");
 847                     echo '&nbsp;';
 848                     if (!$auto_expunge) {
 849                       echo getButton('SUBMIT', 'expungeButton',_("Expunge"))  .'&nbsp;' . _("mailbox") . "\n";
 850                       echo '&nbsp;';
 851                     }
 852                     do_hook('mailbox_display_buttons');
 853                   ?></small>
 854                 </td>
 855                 <td align="right">
 856                   <small><?php
 857                     /* draws thread sorting links */
 858                     if ($allow_thread_sort == TRUE) {
 859                       if ($thread_sort_messages == 1 ) {
 860                         $set_thread = 2;
 861                         $thread_name = _("Unthread View");
 862                       } elseif ($thread_sort_messages == 0) {
 863                         $set_thread = 1;
 864                         $thread_name = _("Thread View");
 865                       }
 866                       echo '&nbsp;&nbsp;<small>[<a href="' . $source_url . '?sort='
 867                            . $sort . '&start_messages=1&set_thread=' . $set_thread
 868                            . '&mailbox=' . urlencode($mailbox) . '">' . $thread_name
 869                            . '</a>]</small>';
 870                     }
 871                     getMbxList($imapConnection);
 872                     echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 873                   ?></small>
 874                 </td>
 875               </tr>
 876             </table>
 877           </td>
 878         </tr>
 879       </table>
 880
 881 <?php
 882     do_hook('mailbox_form_before');
 883
 884     /* if using server sort we highjack the
 885      * the $sort var and use $server_sort_order
 886      * instead. but here we reset sort for a bit
 887      * since its easy
 888      */
 889     if ($allow_server_sort == TRUE) {
 890         $sort = $server_sort_order;
 891     }
 892 }
 893
 894 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 895   if ($num_msgs) {
 896     /* space between list and footer */
 897 ?>
 898   <tr><td HEIGHT="5" BGCOLOR="<?php echo $color[4]; ?>" COLSPAN="1"></td></tr>
 899   <tr>
 900     <td>
 901       <table width="100%" cellpadding="1"  cellspacing="0" style="border: 1px solid <?php echo $color[0]; ?>">
 902         <tr>
 903           <td>
 904             <table bgcolor="<?php echo $color[4]; ?>" border="0" width="100%" cellpadding="1"  cellspacing="0">
 905               <tr>
 906                 <td align="left"><small><?php echo $paginator_str; ?></small></td>
 907                 <td align="right"><small><?php echo $msg_cnt_str; ?></small></td>
 908               </tr>
 909             </table>
 910           </td>
 911         </tr>
 912       </table>
 913     </td>
 914   </tr>
 915 <?php
 916   }
 917     /* End of message-list table */
 918
 919     do_hook('mailbox_index_after');
 920     echo "</FORM>\n";
 921 }
 922
 923 function printHeader($mailbox, $sort, $color, $showsort=true, $start_msg=1) {
 924     global $index_order;
 925     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 926
 927     /* calculate the width of the subject column based on the
 928      * widths of the other columns */
 929     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 930     $subjectwidth = 100;
 931     foreach($index_order as $item) {
 932         $subjectwidth -= $widths[$item];
 933     }
 934
 935     foreach ($index_order as $item) {
 936         switch ($item) {
 937         case 1: /* checkbox */
 938             echo html_tag( 'td',get_selectall_link($start_msg, $sort, $mailbox) , '', '', 'width="1%"' );
 939             break;
 940         case 5: /* flags */
 941             echo html_tag( 'td','' , '', '', 'width="1%"' );
 942             break;
 943         case 2: /* from */
 944             if (handleAsSent($mailbox)) {
 945                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 946                      . '<b>' . _("To") . '</b>';
 947             } else {
 948                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 949                      . '<b>' . _("From") . '</b>';
 950             }
 951             if ($showsort) {
 952                 ShowSortButton($sort, $mailbox, 2, 3);
 953             }
 954             echo "</td>\n";
 955             break;
 956         case 3: /* date */
 957             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 958                  . '<b>' . _("Date") . '</b>';
 959             if ($showsort) {
 960                 ShowSortButton($sort, $mailbox, 0, 1);
 961             }
 962             echo "</td>\n";
 963             break;
 964         case 4: /* subject */
 965             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 966                  . '<b>' . _("Subject") . '</b>';
 967             if ($showsort) {
 968                 ShowSortButton($sort, $mailbox, 4, 5);
 969             }
 970             echo "</td>\n";
 971             break;
 972         case 6: /* size */
 973             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%" nowrap' );
 974             break;
 975         }
 976     }
 977     echo "</tr>\n";
 978 }
 979
 980
 981 /*
 982  * This function shows the sort button. Isn't this a good comment?
 983  */
 984 function ShowSortButton($sort, $mailbox, $Down, $Up ) {
 985     global $PHP_SELF;
 986
 987     /* Figure out which image we want to use. */
 988     if ($sort != $Up && $sort != $Down) {
 989         $img = 'sort_none.png';
 990         $which = $Up;
 991     } elseif ($sort == $Up) {
 992         $img = 'up_pointer.png';
 993         $which = $Down;
 994     } else {
 995         $img = 'down_pointer.png';
 996         $which = 6;
 997     }
 998
 999     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1000         $source_url = $regs[1];
1001     } else {
1002         $source_url = $PHP_SELF;
1003     }
1004
1005     /* Now that we have everything figured out, show the actual button. */
1006     echo ' <a href="' . $source_url .'?newsort=' . $which
1007          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
1008          . '"><img src="../images/' . $img
1009          . '" border="0" width="12" height="10" alt="sort" title="'
1010          . _("Click here to change the sorting of the message list") .'"></a>';
1011 }
1012
1013 function get_selectall_link($start_msg, $sort, $mailbox) {
1014     global $checkall, $what, $where, $javascript_on;
1015     global $PHP_SELF, $PG_SHOWNUM;
1016
1017     $result = '';
1018     if ($javascript_on) {
1019         $safe_name = preg_replace("/[^0-9A-Za-z_]/", '_', $mailbox);
1020         $func_name = "CheckAll" . $safe_name;
1021         $form_name = "FormMsgs" . $safe_name;
1022         $result = '<script language="JavaScript" type="text/javascript">'
1023                 . "\n<!-- \n"
1024                 . "function " . $func_name . "() {\n"
1025                 . "  for (var i = 0; i < document." . $form_name . ".elements.length; i++) {\n"
1026                 . "    if(document." . $form_name . ".elements[i].type == 'checkbox' && "
1027                 . "document." . $form_name . ".elements[i].name != 'bypass_trash'){\n"
1028                 . "      document." . $form_name . ".elements[i].checked = "
1029                 . "        !(document." . $form_name . ".elements[i].checked);\n"
1030                 . "    }\n"
1031                 . "  }\n"
1032                 . "}\n"
1033                 . "//-->\n"
1034                 . '</script>'
1035                 . '<input type="checkbox" name="toggleAll" title="'._("Toggle All").'" onclick="'.$func_name.'();">';
1036 //                . <a href="javascript:void(0)" onClick="' . $func_name . '();">' . _("Toggle All")
1037 //                . "</a>\n";
1038     } else {
1039         if (strpos($PHP_SELF, "?")) {
1040             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
1041                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1042         } else {
1043             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
1044                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
1045         }
1046         if (isset($checkall) && $checkall == '1') {
1047             $result .= '0';
1048         } else {
1049             $result .= '1';
1050         }
1051
1052         if (isset($where) && isset($what)) {
1053             $result .= '&amp;where=' . urlencode($where)
1054                     .  '&amp;what=' . urlencode($what);
1055         }
1056         $result .= "\">";
1057
1058         if (isset($checkall) && ($checkall == '1')) {
1059             $result .= _("Unselect All");
1060         } else {
1061             $result .= _("Select All");
1062         }
1063         $result .= "</A>\n";
1064     }
1065
1066     /* Return our final result. */
1067     return ($result);
1068 }
1069
1070 /*
1071  * This function computes the "Viewing Messages..." string.
1072  */
1073 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
1074     /* Compute the $msg_cnt_str. */
1075     $result = '';
1076     if ($start_msg < $end_msg) {
1077         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
1078                           $start_msg, $end_msg, $num_msgs);
1079     } else if ($start_msg == $end_msg) {
1080         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
1081     } else {
1082         $result = '<br>';
1083     }
1084     /* Return our result string. */
1085     return ($result);
1086 }
1087
1088 /*
1089  * Generate a paginator link.
1090  */
1091 function get_paginator_link($box, $start_msg, $use, $text) {
1092     global $PHP_SELF;
1093
1094     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
1095             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1096             . ">$text</A>";
1097     return ($result);
1098 /*
1099     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
1100         $source_url = $regs[1];
1101     } else {
1102         $source_url = $PHP_SELF;
1103     }
1104
1105     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
1106             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
1107             . ">$text</A>";
1108     return ($result);
1109 */
1110 }
1111
1112 /*
1113  * This function computes the paginator string.
1114  */
1115 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
1116                            $show_num, $sort) {
1117     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
1118
1119     /* Initialize paginator string chunks. */
1120     $prv_str = '';
1121     $nxt_str = '';
1122     $pg_str  = '';
1123     $all_str = '';
1124
1125     $box = urlencode($box);
1126
1127     /* Create simple strings that will be creating the paginator. */
1128     $spc = '&nbsp;';     /* This will be used as a space. */
1129     $sep = '|';          /* This will be used as a seperator. */
1130
1131     /* Get some paginator preference values. */
1132     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1133     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1134
1135     /* Make sure that our start message number is not too big. */
1136     $start_msg = min($start_msg, $num_msgs);
1137
1138     /* Decide whether or not we will use the mailbox cache. */
1139     /* Not sure why $use_mailbox_cache is even passed in.   */
1140     if ($sort == 6) {
1141         $use = 0;
1142     } else {
1143         $use = 1;
1144     }
1145
1146     /* Compute the starting message of the previous and next page group. */
1147     $next_grp = $start_msg + $show_num;
1148     $prev_grp = $start_msg - $show_num;
1149
1150     /* Compute the basic previous and next strings. */
1151     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1152         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1153         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1154     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1155         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1156         $nxt_str = _("Next");
1157     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1158         $prv_str = _("Previous");
1159         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1160     }
1161
1162     /* Page selector block. Following code computes page links. */
1163     if ($pg_sel && ($num_msgs > $show_num)) {
1164         /* Most importantly, what is the current page!!! */
1165         $cur_pg = intval($start_msg / $show_num) + 1;
1166
1167         /* Compute total # of pages and # of paginator page links. */
1168         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1169         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1170
1171         /* Compute the size of the four quarters of the page links. */
1172
1173         /* If we can, just show all the pages. */
1174         if (($tot_pgs - 1) <= $pg_max) {
1175             $q1_pgs = $cur_pg - 1;
1176             $q2_pgs = $q3_pgs = 0;
1177             $q4_pgs = $tot_pgs - $cur_pg;
1178
1179         /* Otherwise, compute some magic to choose the four quarters. */
1180         } else {
1181             /*
1182              * Compute the magic base values. Added together,
1183              * these values will always equal to the $pag_pgs.
1184              * NOTE: These are DEFAULT values and do not take
1185              * the current page into account. That is below.
1186              */
1187             $q1_pgs = floor($vis_pgs/4);
1188             $q2_pgs = round($vis_pgs/4, 0);
1189             $q3_pgs = ceil($vis_pgs/4);
1190             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1191
1192             /* Adjust if the first quarter contains the current page. */
1193             if (($cur_pg - $q1_pgs) < 1) {
1194                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1195                 $q1_pgs = $cur_pg - 1;
1196                 $q2_pgs = 0;
1197                 $q3_pgs += ceil($extra_pgs / 2);
1198                 $q4_pgs += floor($extra_pgs / 2);
1199
1200             /* Adjust if the first and second quarters intersect. */
1201             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1202                 $extra_pgs = $q2_pgs;
1203                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1204                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 3/4);
1205                 $q3_pgs += ceil($extra_pgs / 2);
1206                 $q4_pgs += floor($extra_pgs / 2);
1207
1208             /* Adjust if the fourth quarter contains the current page. */
1209             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1210                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1211                 $q3_pgs = 0;
1212                 $q4_pgs = $tot_pgs - $cur_pg;
1213                 $q1_pgs += floor($extra_pgs / 2);
1214                 $q2_pgs += ceil($extra_pgs / 2);
1215
1216             /* Adjust if the third and fourth quarter intersect. */
1217             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1218                 $extra_pgs = $q3_pgs;
1219                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1220                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 3/4);
1221                 $q1_pgs += floor($extra_pgs / 2);
1222                 $q2_pgs += ceil($extra_pgs / 2);
1223             }
1224         }
1225
1226         /*
1227          * I am leaving this debug code here, commented out, because
1228          * it is a really nice way to see what the above code is doing.
1229          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1230          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1231          */
1232
1233         /* Print out the page links from the compute page quarters. */
1234
1235         /* Start with the first quarter. */
1236         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1237             $pg_str .= "...$spc";
1238         } else {
1239             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1240                 $start = (($pg-1) * $show_num) + 1;
1241                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1242             }
1243             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1244                 $pg_str .= "...$spc";
1245             }
1246         }
1247
1248         /* Continue with the second quarter. */
1249         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1250             $start = (($pg-1) * $show_num) + 1;
1251             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1252         }
1253
1254         /* Now print the current page. */
1255         $pg_str .= $cur_pg . $spc;
1256
1257         /* Next comes the third quarter. */
1258         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1259             $start = (($pg-1) * $show_num) + 1;
1260             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1261         }
1262
1263         /* And last, print the forth quarter page links. */
1264         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1265             $pg_str .= "...$spc";
1266         } else {
1267             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1268                 $pg_str .= "...$spc";
1269             }
1270             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1271                 $start = (($pg-1) * $show_num) + 1;
1272                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1273             }
1274         }
1275     } else if ($PG_SHOWNUM == 999999) {
1276         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1277                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1278                 . ">" ._("Paginate") . '</A>';
1279     }
1280
1281     /* Put all the pieces of the paginator string together. */
1282     /**
1283      * Hairy code... But let's leave it like it is since I am not certain
1284      * a different approach would be any easier to read. ;)
1285      */
1286     $result = '';
1287     if ( $prv_str != '' || $nxt_str != '' )
1288     {
1289       $result .= '[';
1290       $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1291       $result .= ($nxt_str != '' ? $nxt_str : '');
1292       $result .= ']' . $spc ;
1293
1294       /* Compute the 'show all' string. */
1295       $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1296                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1297                  . ">" . _("Show All") . '</A>';
1298     }
1299
1300     $result .= ($pg_str  != '' ? $spc . '['.$spc.$pg_str.']' .  $spc : '');
1301     $result .= ($all_str != '' ? $spc . '['.$all_str.']' . $spc . $spc : '');
1302
1303     /* If the resulting string is blank, return a non-breaking space. */
1304     if ($result == '') {
1305         $result = '&nbsp;';
1306     }
1307
1308     /* Return our final magical paginator string. */
1309     return ($result);
1310 }
1311
1312 function truncateWithEntities($subject, $trim_at)
1313 {
1314     $ent_strlen = strlen($subject);
1315     if (($trim_at <= 0) || ($ent_strlen <= $trim_at))
1316         return $subject;
1317
1318     global $languages, $squirrelmail_language;
1319
1320     /*
1321      * see if this is entities-encoded string
1322      * If so, Iterate through the whole string, find out
1323      * the real number of characters, and if more
1324      * than $trim_at, substr with an updated trim value.
1325      */
1326     $trim_val = $trim_at;
1327     $ent_offset = 0;
1328     $ent_loc = 0;
1329     while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1330             (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
1331         $trim_val += ($ent_loc_end-$ent_loc);
1332         $ent_offset  = $ent_loc_end+1;
1333     }
1334     if (($trim_val > $trim_at) && ($ent_strlen > $trim_val) && (strpos($subject,';',$trim_val) < ($trim_val + 6))) {
1335         $i = strpos($subject,';',$trim_val);
1336         if ($i) {
1337             $trim_val = strpos($subject,';',$trim_val);
1338         }
1339     }
1340     // only print '...' when we're actually dropping part of the subject
1341     if ($ent_strlen <= $trim_val)
1342         return $subject;
1343
1344     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1345         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1346         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1347     }
1348
1349     return substr_replace($subject, '...', $trim_val);
1350 }
1351
1352 function processSubject($subject, $threadlevel = 0) {
1353     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1354     if ($subject == '') {
1355         return _("(no subject)");
1356     }
1357
1358     global $truncate_subject;     /* number of characters for Subject field (<= 0 for unchanged) */
1359     $trim_at = $truncate_subject;
1360
1361     /* if this is threaded, subtract two chars per indentlevel */
1362     if (($threadlevel > 0) && ($threadlevel <= 10))
1363         $trim_at -= (2*$threadlevel);
1364
1365     return truncateWithEntities($subject, $trim_at);
1366 }
1367
1368 function getMbxList($imapConnection, $boxes = 0) {
1369     global $lastTargetMailbox;
1370     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1371     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)), 0, $boxes);
1372     echo '         </SELECT></TT>&nbsp;';
1373 }
1374
1375 function getButton($type, $name, $value) {
1376     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '" style="padding: 0px; margin: 0px">';
1377 }
1378
1379 function getSmallStringCell($string, $align) {
1380     return html_tag('td',
1381                     '<small>' . $string . ':&nbsp; </small>',
1382                     $align,
1383                     '',
1384                     'nowrap' );
1385 }
1386
1387 function getEndMessage($start_msg, $show_num, $num_msgs) {
1388     if ($start_msg + ($show_num - 1) < $num_msgs){
1389         $end_msg = $start_msg + ($show_num - 1);
1390     } else {
1391         $end_msg = $num_msgs;
1392     }
1393
1394     if ($end_msg < $start_msg) {
1395         $start_msg = $start_msg - $show_num;
1396         if ($start_msg < 1) {
1397             $start_msg = 1;
1398         }
1399     }
1400     return (array($start_msg,$end_msg));
1401 }
1402
1403 // This should go in imap_mailbox.php
1404 function handleAsSent($mailbox) {
1405     global $handleAsSent_result;
1406
1407     /* First check if this is the sent or draft folder. */
1408     $handleAsSent_result = isSentMailbox($mailbox) || isDraftMailbox($mailbox);
1409
1410     /* Then check the result of the handleAsSent hook. */
1411     do_hook('check_handleAsSent_result', $mailbox);
1412
1413     /* And return the result. */
1414     return $handleAsSent_result;
1415 }
1416
1417 ?>