functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This contains functions that display mailbox information, such as the
  10  * table row that has sender, date, subject, etc...
  11  *
  12  * $Id$
  13  */
  14
  15 require_once(SM_PATH . 'functions/strings.php');
  16 require_once(SM_PATH . 'functions/html.php');
  17 require_once(SM_PATH . 'class/html.class.php');
  18 require_once(SM_PATH . 'functions/imap_mailbox.php');
  19
  20 /* Default value for page_selector_max. */
  21 define('PG_SEL_MAX', 10);
  22
  23 function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
  24                           $start_msg, $where, $what) {
  25     global $checkall,
  26            $color, $msgs, $msort,
  27            $default_use_priority,
  28            $message_highlight_list,
  29            $index_order,
  30            $indent_array,   /* indent subject by */
  31            $pos,            /* Search postion (if any)  */
  32            $thread_sort_messages, /* thread sorting on/off */
  33            $server_sort_order, /* sort value when using server-sorting */
  34            $row_count,
  35            $allow_server_sort; /* enable/disable server-side sorting */
  36     $color_string = $color[4];
  37
  38     if ($GLOBALS['alt_index_colors']) {
  39         if (!isset($row_count)) {
  40             $row_count = 0;
  41         }
  42         $row_count++;
  43         if ($row_count % 2) {
  44             if (!isset($color[12])) {
  45                 $color[12] = '#EAEAEA';
  46             }
  47             $color_string = $color[12];
  48         }
  49     }
  50     $msg = $msgs[$key];
  51
  52     if($mailbox == 'None') {
  53         $boxes   = sqimap_mailbox_list($imapConnection);
  54         $mailbox = $boxes[0]['unformatted'];
  55         unset($boxes);
  56     }
  57     $urlMailbox = urlencode($mailbox);
  58
  59     if (handleAsSent($mailbox)) {
  60        $msg['FROM'] = $msg['TO'];
  61        /*
  62         * This is done in case you're looking into Sent folders,
  63         * because you can have multiple receivers.
  64         */
  65        $senderNames = explode(',', $msg['FROM']);
  66        $senderName  = '';
  67        if (sizeof($senderNames)){
  68           foreach ($senderNames as $senderNames_part) {
  69             if ($senderName != '') {
  70                 $senderName .= ', ';
  71             }
  72             $senderName .= sqimap_find_displayable_name($senderNames_part);
  73           }
  74        }
  75     } else {
  76        $senderName = sqimap_find_displayable_name($msg['FROM']);
  77     }
  78
  79     $subject = processSubject($msg['SUBJECT']);
  80
  81     echo html_tag( 'tr','','','','VALIGN="top"') . "\n";
  82
  83     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  84         $flag = "<font color=\"$color[2]\">";
  85         $flag_end = '</font>';
  86     } else {
  87         $flag = '';
  88         $flag_end = '';
  89     }
  90     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  91         $bold = '<b>';
  92         $bold_end = '</b>';
  93     } else {
  94         $bold = '';
  95         $bold_end = '';
  96     }
  97     if (handleAsSent($mailbox)) {
  98         $italic = '<i>';
  99         $italic_end = '</i>';
 100     } else {
 101         $italic = '';
 102         $italic_end = '';
 103     }
 104     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 105         $fontstr = "<font color=\"$color[9]\">";
 106         $fontstr_end = '</font>';
 107     } else {
 108         $fontstr = '';
 109         $fontstr_end = '';
 110     }
 111
 112     if ($where && $what) {
 113         $searchstr = '&amp;where='.$where.'&amp;what='.$what;
 114     } else {
 115         $searchstr = '';
 116     }
 117     /**
 118     * AAAAH! Make my eyes stop bleeding!
 119     * Who wrote this?!
 120     */
 121     if (is_array($message_highlight_list) && count($message_highlight_list)){
 122         foreach ($message_highlight_list as $message_highlight_list_part) {
 123             if (trim($message_highlight_list_part['value']) != '') {
 124                 $high_val   = strtolower($message_highlight_list_part['value']);
 125                 $match_type = strtoupper($message_highlight_list_part['match_type']);
 126                 if ($match_type == 'TO_CC') {
 127                     if (strstr('^^' . strtolower($msg['TO']), $high_val) ||
 128                         strstr('^^' . strtolower($msg['CC']), $high_val)) {
 129                         $hlt_color = $message_highlight_list_part['color'];
 130                         continue;
 131                     }
 132                 } else {
 133                     if (strstr('^^' . strtolower($msg[$match_type]), $high_val)) {
 134                         $hlt_color = $message_highlight_list_part['color'];
 135                         continue;
 136                     }
 137                 }
 138             }
 139         }
 140     }
 141
 142     if (!isset($hlt_color)) {
 143         $hlt_color = $color_string;
 144     }
 145     $checked = ($checkall == 1) ? ' CHECKED' : '';
 146     $col = 0;
 147     if (sizeof($index_order)) {
 148         foreach ($index_order as $index_order_part) {
 149             switch ($index_order_part) {
 150             case 1: /* checkbox */
 151                 echo html_tag( 'td',
 152                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 153                                'center',
 154                                $hlt_color );
 155                 break;
 156             case 2: /* from */
 157                 echo html_tag( 'td',
 158                                $italic . $bold . $flag . $fontstr . $senderName .
 159                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 160                                'left',
 161                                $hlt_color );
 162                 break;
 163             case 3: /* date */
 164                 $date_string = $msg['DATE_STRING'] . '';
 165                 if ($date_string == '') {
 166                     $date_string = _("Unknown date");
 167                 }
 168                 echo html_tag( 'td',
 169                                $bold . $flag . $fontstr . $date_string .
 170                                $fontstr_end . $flag_end . $bold_end,
 171                                'center',
 172                                $hlt_color,
 173                                'nowrap' );
 174                 break;
 175             case 4: /* subject */
 176                 $td_str = $bold;
 177                 if ($thread_sort_messages == 1) {
 178                     if (isset($indent_array[$msg["ID"]])) {
 179                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 180                     }
 181                 }
 182                 $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
 183                         .  '&amp;passed_id='. $msg["ID"]
 184                         .  '&amp;startMessage='.$start_msg.$searchstr.'"';
 185                 do_hook("subject_link");
 186                 if ($subject != $msg['SUBJECT']) {
 187                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 188                     $title = array_flip($title);
 189                     $title = strtr($msg['SUBJECT'], $title);
 190                     $title = str_replace('"', "''", $title);
 191                     $td_str .= " title=\"$title\"";
 192                 }
 193                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 194                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 195                 break;
 196             case 5: /* flags */
 197                 $stuff = false;
 198                 $td_str = "<b><small>";
 199
 200                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 201                     $td_str .= _("A");
 202                     $stuff = true;
 203                 }
 204                 if ($msg['TYPE0'] == 'multipart') {
 205                     $td_str .= '+';
 206                     $stuff = true;
 207                 }
 208                 if ($default_use_priority) {
 209                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 210                         $td_str .= "<font color=\"$color[1]\">!</font>";
 211                         $stuff = true;
 212                     }
 213                     if ($msg['PRIORITY'] == 5) {
 214                         $td_str .= "<font color=\"$color[8]\">?</font>";
 215                         $stuff = true;
 216                     }
 217                 }
 218                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 219                     $td_str .= "<font color=\"$color[1]\">D</font>";
 220                     $stuff = true;
 221                 }
 222                 if (!$stuff) {
 223                     $td_str .= '&nbsp;';
 224                 }
 225                 $td_str .= '</small></b>';
 226                 echo html_tag( 'td',
 227                                $td_str,
 228                                'center',
 229                                $hlt_color,
 230                                'nowrap' );
 231                 break;
 232             case 6: /* size */
 233                 echo html_tag( 'td',
 234                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 235                                $fontstr_end . $bold_end,
 236                                'right',
 237                                $hlt_color );
 238                 break;
 239             }
 240             ++$col;
 241         }
 242     }
 243     if ($not_last) {
 244         echo '</tr>' . "\n" . '<tr><td COLSPAN="' . $col . '" BGCOLOR="' .
 245              $color[0] . '" HEIGHT="1"></td></tr>' . "\n";
 246     } else {
 247         echo '</tr>'."\n";
 248     }
 249 }
 250
 251 function getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id) {
 252     if ($id != 'no') {
 253         if ($start_msg + ($show_num - 1) < $num_msgs) {
 254             $end_msg = $start_msg + ($show_num-1);
 255         } else {
 256             $end_msg = $num_msgs;
 257         }
 258         $id = array_slice($id, ($start_msg-1), ($end_msg));
 259
 260         $end = $start_msg + $show_num - 1;
 261         if ($num_msgs < $show_num) {
 262             $end_loop = $num_msgs;
 263         } else if ($end > $num_msgs) {
 264             $end_loop = $num_msgs - $start_msg + 1;
 265         } else {
 266             $end_loop = $show_num;
 267         }
 268         return fillMessageArray($imapConnection,$id,$end_loop);
 269     } else {
 270         return false;
 271     }
 272 }
 273
 274 function getThreadMessages($imapConnection, $start_msg, $show_num, $num_msgs) {
 275     $id = get_thread_sort($imapConnection);
 276     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 277 }
 278
 279 function getServerSortMessages($imapConnection, $start_msg, $show_num,
 280                                $num_msgs, $server_sort_order, $mbxresponse) {
 281     $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 282     return getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 283 }
 284
 285 function getSelfSortMessages($imapConnection, $start_msg, $show_num,
 286                               $num_msgs, $sort, $mbxresponse) {
 287     $msgs = array();
 288     if ($num_msgs >= 1) {
 289         $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 290         if ($sort < 6 ) {
 291             $end = $num_msgs;
 292             $end_loop = $end;
 293         } else {
 294             /* if it's not sorted */
 295             if ($start_msg + ($show_num - 1) < $num_msgs) {
 296                 $end_msg = $start_msg + ($show_num - 1);
 297             } else {
 298                 $end_msg = $num_msgs;
 299             }
 300             if ($end_msg < $start_msg) {
 301                 $start_msg = $start_msg - $show_num;
 302                 if ($start_msg < 1) {
 303                     $start_msg = 1;
 304                 }
 305             }
 306             $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 307             $end = $start_msg + $show_num - 1;
 308             if ($num_msgs < $show_num) {
 309                 $end_loop = $num_msgs;
 310             } else if ($end > $num_msgs) {
 311                 $end_loop = $num_msgs - $start_msg + 1;
 312             } else {
 313                 $end_loop = $show_num;
 314             }
 315         }
 316         $msgs = fillMessageArray($imapConnection,$id,$end_loop);
 317     }
 318     return $msgs;
 319 }
 320
 321
 322
 323 /*
 324  * This function loops through a group of messages in the mailbox
 325  * and shows them to the user.
 326  */
 327 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 328                                 $start_msg, $sort, $color, $show_num,
 329                                 $use_cache, $mode='') {
 330     global $msgs, $msort, $auto_expunge, $thread_sort_messages,
 331            $allow_server_sort, $server_sort_order;
 332
 333     /* If autoexpunge is turned on, then do it now. */
 334     $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 335     $srt = $sort;
 336     /* If autoexpunge is turned on, then do it now. */
 337     if ($auto_expunge == true) {
 338         $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 339         $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 340         $num_msgs = $mbxresponse['EXISTS'];
 341     }
 342
 343     if ($mbxresponse['EXISTS'] > 0) {
 344         /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 345          * in the last page. We need to re-adjust the start_msg
 346          */
 347
 348         if($start_msg > $num_msgs) {
 349             $start_msg -= $show_num;
 350             if($start_msg < 1) {
 351                 $start_msg = 1;
 352             }
 353         }
 354
 355         /* This code and the next if() block check for
 356          * server-side sorting methods. The $id array is
 357          * formatted and $sort is set to 6 to disable
 358          * SM internal sorting
 359          */
 360
 361         if ($thread_sort_messages == 1) {
 362             $mode = 'thread';
 363         } elseif ($allow_server_sort == 1) {
 364             $mode = 'serversort';
 365         } else {
 366             $mode = '';
 367         }
 368
 369         sqsession_unregister('msort');
 370         sqsession_unregister('msgs');
 371         switch ($mode) {
 372             case 'thread':
 373                 $id   = get_thread_sort($imapConnection);
 374                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 375                 if ($msgs === false) {
 376                     echo '<b><small><center><font color=red>' .
 377                          _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 378                          '</center></small></b>';
 379                     $thread_sort_messages = 0;
 380                     $msort = $msgs = array();
 381                 } else {
 382                     $msort= $msgs;
 383                     $sort = 6;
 384                 }
 385                 break;
 386             case 'serversort':
 387                 $id   = sqimap_get_sort_order($imapConnection, $sort, $mbxresponse);
 388                 $msgs = getServerMessages($imapConnection, $start_msg, $show_num, $num_msgs, $id);
 389                 if ($msgs === false) {
 390                     echo '<b><small><center><font color=red>' .
 391                          _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 392                          '</center></small></b>';
 393                     $sort = $server_sort_order;
 394                     $allow_server_sort = FALSE;
 395                     $msort = $msgs = array();
 396                     $id = array();
 397                 } else {
 398                     $msort = $msgs;
 399                     $sort = 6;
 400                 }
 401                 break;
 402             default:
 403                 if (!$use_cache) {
 404                     $msgs = getSelfSortMessages($imapConnection, $start_msg, $show_num,
 405                                                 $num_msgs, $sort, $mbxresponse);
 406                     $msort = calc_msort($msgs, $sort);
 407                 } /* !use cache */
 408                 break;
 409         } // switch
 410         sqsession_register($msort, 'msort');
 411         sqsession_register($msgs,  'msgs');
 412     } /* if exists > 0 */
 413
 414     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 415     $start_msg = $res[0];
 416     $end_msg   = $res[1];
 417
 418     $paginator_str = get_paginator_str($mailbox, $start_msg, $end_msg,
 419                                        $num_msgs, $show_num, $sort);
 420
 421     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 422
 423     do_hook('mailbox_index_before');
 424     echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">';
 425     echo '<tr><td>';
 426
 427     mail_message_listing_beginning($imapConnection, $mailbox, $sort,
 428                                   $msg_cnt_str, $paginator_str, $start_msg);
 429     echo '</td></tr>';
 430     /* line between the button area and the list */
 431     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 432
 433     echo '<tr><td>';
 434     echo '    <table width="100%" cellpadding="1" cellspacing="0" align="center"'.' border="0" bgcolor="'.$color[9].'">';
 435     echo '     <tr><td>';
 436     echo '       <table width="100%" cellpadding="1" cellspacing="0" align="center" border="0" bgcolor="'.$color[5].'">';
 437     echo '<tr><td>';
 438     printHeader($mailbox, $srt, $color, !$thread_sort_messages);
 439
 440     displayMessageArray($imapConnection, $num_msgs, $start_msg,
 441                       $msort, $mailbox, $sort, $color, $show_num,0,0);
 442     echo '</td></tr></table></td></tr></table>';
 443
 444     mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color);
 445     echo '</td></tr></table>';
 446 }
 447
 448 function calc_msort($msgs, $sort) {
 449
 450     /*
 451      * 0 = Date (up)
 452      * 1 = Date (dn)
 453      * 2 = Name (up)
 454      * 3 = Name (dn)
 455      * 4 = Subject (up)
 456      * 5 = Subject (dn)
 457      */
 458
 459     if (($sort == 0) || ($sort == 1)) {
 460         foreach ($msgs as $item) {
 461             $msort[] = $item['TIME_STAMP'];
 462         }
 463     } elseif (($sort == 2) || ($sort == 3)) {
 464         foreach ($msgs as $item) {
 465             $msort[] = $item['FROM-SORT'];
 466         }
 467     } elseif (($sort == 4) || ($sort == 5)) {
 468         foreach ($msgs as $item) {
 469             $msort[] = $item['SUBJECT-SORT'];
 470         }
 471     } else {
 472         $msort = $msgs;
 473     }
 474     if ($sort < 6) {
 475         if ($sort % 2) {
 476             asort($msort);
 477         } else {
 478             arsort($msort);
 479         }
 480     }
 481     return $msort;
 482 }
 483
 484 function fillMessageArray($imapConnection, $id, $count) {
 485     $msgs_list = sqimap_get_small_header_list($imapConnection, $id);
 486     $messages = array();
 487     if (sizeof($msgs_list)) {
 488         foreach ($msgs_list as $hdr) {
 489             $unique_id[] = $hdr->uid;
 490             $from[] = $hdr->from;
 491             $date[] = $hdr->date;
 492             $subject[] = $hdr->subject;
 493             $to[] = $hdr->to;
 494             $priority[] = $hdr->priority;
 495             $cc[] = $hdr->cc;
 496             $size[] = $hdr->size;
 497             $type[] = $hdr->type0;
 498             $flag_deleted[] = $hdr->flag_deleted;
 499             $flag_answered[] = $hdr->flag_answered;
 500             $flag_seen[] = $hdr->flag_seen;
 501             $flag_flagged[] = $hdr->flag_flagged;
 502         }
 503     }
 504
 505     for($j = 0; $j < $count; ++$j) {
 506         if (isset($date[$j])) {
 507             $date[$j] = str_replace('  ', ' ', $date[$j]);
 508             $tmpdate  = explode(' ', trim($date[$j]));
 509         } else {
 510             $tmpdate = $date = array('', '', '', '', '', '');
 511         }
 512         $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 513         $messages[$j]['DATE_STRING'] =
 514         getDateString($messages[$j]['TIME_STAMP']);
 515         $messages[$j]['ID'] = $unique_id[$j];
 516         $messages[$j]['FROM'] = decodeHeader($from[$j]);
 517         $messages[$j]['FROM-SORT'] =
 518         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 519         $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 520         $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 521         $messages[$j]['TO'] = decodeHeader($to[$j]);
 522         $messages[$j]['PRIORITY'] = $priority[$j];
 523         $messages[$j]['CC'] = $cc[$j];
 524         $messages[$j]['SIZE'] = $size[$j];
 525         $messages[$j]['TYPE0'] = $type[$j];
 526         $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 527         $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 528         $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 529         $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 530
 531         /*
 532          * fix SUBJECT-SORT to remove Re:
 533          *     vedr|sv  (Danish)
 534          *     re|aw (English)
 535          *
 536          * TODO: i18n should be incorporated here. E.g. we catch the ones
 537          * we know about, but also define in i18n what the localized
 538          * "Re: " is for this or that locale.
 539          */
 540         if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 541             $messages[$j]['SUBJECT-SORT'], $matches)){
 542             $messages[$j]['SUBJECT-SORT'] = $matches[2];
 543         }
 544     }
 545     return $messages;
 546 }
 547
 548
 549 /* Generic function to convert the msgs array into an HTML table. */
 550 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 551                              $msort, $mailbox, $sort, $color,
 552                              $show_num, $where=0, $what=0) {
 553     global $imapServerAddress, $use_mailbox_cache, $index_order,
 554            $indent_array, $thread_sort_messages, $allow_server_sort,
 555            $server_sort_order, $PHP_SELF;
 556
 557     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 558     $start_msg = $res[0];
 559     $end_msg   = $res[1];
 560
 561     $urlMailbox = urlencode($mailbox);
 562
 563     /* get indent level for subject display */
 564     if ($thread_sort_messages == 1 && $num_msgs) {
 565         $indent_array = get_parent_level($imapConnection);
 566     }
 567
 568     $real_startMessage = $start_msg;
 569     if ($sort == 6) {
 570         if ($end_msg - $start_msg < $show_num - 1) {
 571             $end_msg = $end_msg - $start_msg + 1;
 572             $start_msg = 1;
 573         } else if ($start_msg > $show_num) {
 574             $end_msg = $show_num;
 575             $start_msg = 1;
 576         }
 577     }
 578     $endVar = $end_msg + 1;
 579
 580     /*
 581      * Loop through and display the info for each message.
 582      * ($t is used for the checkbox number)
 583      */
 584     $t = 0;
 585
 586     /* messages display */
 587
 588     if (!$num_msgs) {
 589     /* if there's no messages in this folder */
 590         echo html_tag( 'tr',
 591                 html_tag( 'td',
 592                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 593                           'center',
 594                           $color[4],
 595                           'COLSPAN="' . count($index_order) . '"'
 596                 )
 597         );
 598     } elseif ($start_msg == $end_msg) {
 599     /* if there's only one message in the box, handle it differently. */
 600         if ($sort != 6) {
 601             $i = $start_msg;
 602         } else {
 603             $i = 1;
 604         }
 605         reset($msort);
 606         $k = 0;
 607         do {
 608             $key = key($msort);
 609             next($msort);
 610             $k++;
 611         } while (isset ($key) && ($k < $i));
 612         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 613                          $real_startMessage, $where, $what);
 614     } else {
 615         $i = $start_msg;
 616         reset($msort);
 617         $k = 0;
 618         do {
 619             $key = key($msort);
 620             next($msort);
 621             $k++;
 622         } while (isset ($key) && ($k < $i));
 623         $not_last = true;
 624         do {
 625             if (!$i || $i == $endVar-1) $not_last = false;
 626                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 627                                  $real_startMessage, $where, $what);
 628             $key = key($msort);
 629             $t++;
 630             $i++;
 631             next($msort);
 632         } while ($i && $i < $endVar);
 633     }
 634 }
 635
 636 /*
 637  * Displays the standard message list header. To finish the table,
 638  * you need to do a "</table></table>";
 639  *
 640  * $moveURL is the URL to submit the delete/move form to
 641  * $mailbox is the current mailbox
 642  * $sort is the current sorting method (-1 for no sorting available [searches])
 643  * $Message is a message that is centered on top of the list
 644  * $More is a second line that is left aligned
 645  */
 646
 647 function mail_message_listing_beginning ($imapConnection,
 648                                          $mailbox = '', $sort = -1,
 649                                          $msg_cnt_str = '',
 650                                          $paginator = '&nbsp;',
 651                                          $start_msg = 1) {
 652     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 653            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 654            $PHP_SELF;
 655
 656     $php_self = $PHP_SELF;
 657     /* fix for incorrect $PHP_SELF */
 658     if (strpos($php_self, 'move_messages.php')) {
 659         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 660     }
 661     $urlMailbox = urlencode($mailbox);
 662
 663     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 664         $source_url = $regs[1];
 665     } else {
 666         $source_url = $php_self;
 667     }
 668
 669     if (!isset($msg)) {
 670         $msg = '';
 671     }
 672     $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 673              . "&amp;startMessage=$start_msg";
 674     /*
 675      * This is the beginning of the message list table.
 676      * It wraps around all messages
 677      */
 678     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 679         . html_tag( 'table' ,
 680             html_tag( 'tr',
 681                 html_tag( 'td' ,
 682                     html_tag( 'table' ,
 683                         html_tag( 'tr',
 684                             html_tag( 'td', $paginator, 'left' ) .
 685                             html_tag( 'td', $msg_cnt_str, 'right' )
 686                         )
 687                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 688                 , 'left', '', '' )
 689             , '', $color[0] )
 690             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 691         /* line between header and button area */
 692         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 693
 694         echo '<tr><td>';
 695         echo html_tag( 'tr' ) . "\n"
 696         . html_tag( 'td' ,'' , 'left', '', '' )
 697          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 698           . '<tr><td>'
 699            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 700             . html_tag( 'tr',
 701                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 702                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 703             )
 704             . html_tag( 'tr' ) ."\n"
 705             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 706             getMbxList($imapConnection);
 707             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 708             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 709
 710   echo "      </TD>\n"
 711          . html_tag( 'td', '', 'right', '', 'nowrap' );
 712
 713
 714
 715     if (!$auto_expunge) {
 716         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 717              .'&nbsp;' . _("mailbox") . "\n";
 718     }
 719
 720     echo getButton('SUBMIT', 'markRead',_("Read"));
 721     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 722     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp\n";
 723     if (!strpos($php_self,'mailbox')) {
 724         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 725     } else {
 726         $location = $php_self;
 727     }
 728     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 729     echo "</TD>\n"
 730          . "   </TR>\n";
 731
 732     /* draws thread sorting links */
 733     if ($allow_thread_sort == TRUE) {
 734         if ($thread_sort_messages == 1 ) {
 735             $set_thread = 2;
 736             $thread_name = _("Unthread View");
 737         } elseif ($thread_sort_messages == 0) {
 738             $set_thread = 1;
 739             $thread_name = _("Thread View");
 740         }
 741         echo html_tag( 'tr' ,
 742                     html_tag( 'td' ,
 743                               '&nbsp;<a href=' . $source_url . '?sort='
 744                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 745                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 746                               . '</a></small>&nbsp;'
 747                      , '', '', '' )
 748                  , '', '', '' );
 749     }
 750
 751     echo "</TABLE></td></tr></table></td></tr>\n";
 752
 753     do_hook('mailbox_form_before');
 754
 755     /* if using server sort we highjack the
 756      * the $sort var and use $server_sort_order
 757      * instead. but here we reset sort for a bit
 758      * since its easy
 759      */
 760     if ($allow_server_sort == TRUE) {
 761         $sort = $server_sort_order;
 762     }
 763 }
 764
 765 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 766   if ($num_msgs) {
 767     /* space between list and footer */
 768     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 769
 770     echo '</td></tr><tr><td>';
 771     echo html_tag( 'table',
 772             html_tag( 'tr',
 773                 html_tag( 'td',
 774                     html_tag( 'table',
 775                         html_tag( 'tr',
 776                             html_tag( 'td', $paginator_str ) .
 777                             html_tag( 'td', $msg_cnt_str, 'right' )
 778                         )
 779                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 780                 )
 781             )
 782         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 783     echo '</td></tr>';
 784   }
 785     /* End of message-list table */
 786
 787     do_hook('mailbox_index_after');
 788     echo "</FORM>\n";
 789 }
 790
 791 function printHeader($mailbox, $sort, $color, $showsort=true) {
 792     global $index_order;
 793     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 794
 795     /* calculate the width of the subject column based on the
 796      * widths of the other columns */
 797     $widths = array(1=>1,2=>25,3=>5,4=>0,5=>1,6=>5);
 798     $subjectwidth = 100;
 799     foreach($index_order as $item) {
 800         $subjectwidth -= $widths[$item];
 801     }
 802
 803     foreach ($index_order as $item) {
 804         switch ($item) {
 805         case 1: /* checkbox */
 806         case 5: /* flags */
 807             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 808             break;
 809         case 2: /* from */
 810             if (handleAsSent($mailbox)) {
 811                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 812                      . '<b>' . _("To") . '</b>';
 813             } else {
 814                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 815                      . '<b>' . _("From") . '</b>';
 816             }
 817             if ($showsort) {
 818                 ShowSortButton($sort, $mailbox, 2, 3);
 819             }
 820             echo "</td>\n";
 821             break;
 822         case 3: /* date */
 823             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 824                  . '<b>' . _("Date") . '</b>';
 825             if ($showsort) {
 826                 ShowSortButton($sort, $mailbox, 0, 1);
 827             }
 828             echo "</td>\n";
 829             break;
 830         case 4: /* subject */
 831             echo html_tag( 'td' ,'' , 'left', '', 'width="'.$subjectwidth.'%"' )
 832                  . '<b>' . _("Subject") . '</b>';
 833             if ($showsort) {
 834                 ShowSortButton($sort, $mailbox, 4, 5);
 835             }
 836             echo "</td>\n";
 837             break;
 838         case 6: /* size */
 839             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 840             break;
 841         }
 842     }
 843     echo "</tr>\n";
 844 }
 845
 846
 847 /*
 848  * This function shows the sort button. Isn't this a good comment?
 849  */
 850 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 851     global $PHP_SELF;
 852     /* Figure out which image we want to use. */
 853     if ($sort != $Up && $sort != $Down) {
 854         $img = 'sort_none.png';
 855         $which = $Up;
 856     } elseif ($sort == $Up) {
 857         $img = 'up_pointer.png';
 858         $which = $Down;
 859     } else {
 860         $img = 'down_pointer.png';
 861         $which = 6;
 862     }
 863
 864     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 865         $source_url = $regs[1];
 866     } else {
 867         $source_url = $PHP_SELF;
 868     }
 869
 870     /* Now that we have everything figured out, show the actual button. */
 871     echo ' <a href="' . $source_url .'?newsort=' . $which
 872          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 873          . '"><IMG SRC="../images/' . $img
 874          . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 875 }
 876
 877 function get_selectall_link($start_msg, $sort) {
 878     global $checkall, $what, $where, $mailbox, $javascript_on;
 879     global $PHP_SELF, $PG_SHOWNUM;
 880
 881     $result = '';
 882     if ($javascript_on) {
 883         $result = '<script language="JavaScript" type="text/javascript">'
 884                 . "\n<!-- \n"
 885                 . "function CheckAll() {\n"
 886                 . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 887                 . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 888                 . "      document.messageList.elements[i].checked = "
 889                 . "        !(document.messageList.elements[i].checked);\n"
 890                 . "    }\n"
 891                 . "  }\n"
 892                 . "}\n"
 893                 . "//-->\n"
 894                 . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 895                 . "</a>\n";
 896     } else {
 897         if (strpos($PHP_SELF, "?")) {
 898             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 899                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 900         } else {
 901             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 902                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 903         }
 904         if (isset($checkall) && $checkall == '1') {
 905             $result .= '0';
 906         } else {
 907             $result .= '1';
 908         }
 909
 910         if (isset($where) && isset($what)) {
 911             $result .= '&amp;where=' . urlencode($where)
 912                     .  '&amp;what=' . urlencode($what);
 913         }
 914         $result .= "\">";
 915
 916         if (isset($checkall) && ($checkall == '1')) {
 917             $result .= _("Unselect All");
 918         } else {
 919             $result .= _("Select All");
 920         }
 921         $result .= "</A>\n";
 922     }
 923
 924     /* Return our final result. */
 925     return ($result);
 926 }
 927
 928 /*
 929  * This function computes the "Viewing Messages..." string.
 930  */
 931 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 932     /* Compute the $msg_cnt_str. */
 933     $result = '';
 934     if ($start_msg < $end_msg) {
 935         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 936                           $start_msg, $end_msg, $num_msgs);
 937     } else if ($start_msg == $end_msg) {
 938         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 939     } else {
 940         $result = '<br>';
 941     }
 942     /* Return our result string. */
 943     return ($result);
 944 }
 945
 946 /*
 947  * Generate a paginator link.
 948  */
 949 function get_paginator_link($box, $start_msg, $use, $text) {
 950     global $PHP_SELF;
 951
 952     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 953             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 954             . "TARGET=\"right\">$text</A>";
 955     return ($result);
 956 /*
 957     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 958         $source_url = $regs[1];
 959     } else {
 960         $source_url = $PHP_SELF;
 961     }
 962
 963     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 964             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 965             . "TARGET=\"right\">$text</A>";
 966     return ($result);
 967 */
 968 }
 969
 970 /*
 971  * This function computes the paginator string.
 972  */
 973 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 974                            $show_num, $sort) {
 975     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 976
 977     /* Initialize paginator string chunks. */
 978     $prv_str = '';
 979     $nxt_str = '';
 980     $pg_str  = '';
 981     $all_str = '';
 982     $tgl_str = '';
 983
 984     $box = urlencode($box);
 985
 986     /* Create simple strings that will be creating the paginator. */
 987     $spc = '&nbsp;';     /* This will be used as a space. */
 988     $sep = '|';          /* This will be used as a seperator. */
 989
 990     /* Get some paginator preference values. */
 991     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 992     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 993
 994     /* Make sure that our start message number is not too big. */
 995     $start_msg = min($start_msg, $num_msgs);
 996
 997     /* Decide whether or not we will use the mailbox cache. */
 998     /* Not sure why $use_mailbox_cache is even passed in.   */
 999     if ($sort == 6) {
1000         $use = 0;
1001     } else {
1002         $use = 1;
1003     }
1004
1005     /* Compute the starting message of the previous and next page group. */
1006     $next_grp = $start_msg + $show_num;
1007     $prev_grp = $start_msg - $show_num;
1008
1009     /* Compute the basic previous and next strings. */
1010     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1011         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1012         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1013     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1014         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1015         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1016     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1017         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1018         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1019     }
1020
1021     /* Page selector block. Following code computes page links. */
1022     if ($pg_sel && ($num_msgs > $show_num)) {
1023         /* Most importantly, what is the current page!!! */
1024         $cur_pg = intval($start_msg / $show_num) + 1;
1025
1026         /* Compute total # of pages and # of paginator page links. */
1027         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1028         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1029
1030         /* Compute the size of the four quarters of the page links. */
1031
1032         /* If we can, just show all the pages. */
1033         if (($tot_pgs - 1) <= $pg_max) {
1034             $q1_pgs = $cur_pg - 1;
1035             $q2_pgs = $q3_pgs = 0;
1036             $q4_pgs = $tot_pgs - $cur_pg;
1037
1038         /* Otherwise, compute some magic to choose the four quarters. */
1039         } else {
1040             /*
1041              * Compute the magic base values. Added together,
1042              * these values will always equal to the $pag_pgs.
1043              * NOTE: These are DEFAULT values and do not take
1044              * the current page into account. That is below.
1045              */
1046             $q1_pgs = floor($vis_pgs/4);
1047             $q2_pgs = round($vis_pgs/4, 0);
1048             $q3_pgs = ceil($vis_pgs/4);
1049             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1050
1051             /* Adjust if the first quarter contains the current page. */
1052             if (($cur_pg - $q1_pgs) < 1) {
1053                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1054                 $q1_pgs = $cur_pg - 1;
1055                 $q2_pgs = 0;
1056                 $q3_pgs += ceil($extra_pgs / 2);
1057                 $q4_pgs += floor($extra_pgs / 2);
1058
1059             /* Adjust if the first and second quarters intersect. */
1060             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1061                 $extra_pgs = $q2_pgs;
1062                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1063                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1064                 $q3_pgs += ceil($extra_pgs / 2);
1065                 $q4_pgs += floor($extra_pgs / 2);
1066
1067             /* Adjust if the fourth quarter contains the current page. */
1068             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1069                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1070                 $q3_pgs = 0;
1071                 $q4_pgs = $tot_pgs - $cur_pg;
1072                 $q1_pgs += floor($extra_pgs / 2);
1073                 $q2_pgs += ceil($extra_pgs / 2);
1074
1075             /* Adjust if the third and fourth quarter intersect. */
1076             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1077                 $extra_pgs = $q3_pgs;
1078                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1079                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1080                 $q1_pgs += floor($extra_pgs / 2);
1081                 $q2_pgs += ceil($extra_pgs / 2);
1082             }
1083         }
1084
1085         /*
1086          * I am leaving this debug code here, commented out, because
1087          * it is a really nice way to see what the above code is doing.
1088          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1089          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1090          */
1091
1092         /* Print out the page links from the compute page quarters. */
1093
1094         /* Start with the first quarter. */
1095         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1096             $pg_str .= "...$spc";
1097         } else {
1098             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1099                 $start = (($pg-1) * $show_num) + 1;
1100                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1101             }
1102             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1103                 $pg_str .= "...$spc";
1104             }
1105         }
1106
1107         /* Continue with the second quarter. */
1108         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1109             $start = (($pg-1) * $show_num) + 1;
1110             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1111         }
1112
1113         /* Now print the current page. */
1114         $pg_str .= $cur_pg . $spc;
1115
1116         /* Next comes the third quarter. */
1117         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1118             $start = (($pg-1) * $show_num) + 1;
1119             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1120         }
1121
1122         /* And last, print the forth quarter page links. */
1123         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1124             $pg_str .= "...$spc";
1125         } else {
1126             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1127                 $pg_str .= "...$spc";
1128             }
1129             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1130                 $start = (($pg-1) * $show_num) + 1;
1131                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1132             }
1133         }
1134     } else if ($PG_SHOWNUM == 999999) {
1135         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1136                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1137                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1138     }
1139
1140     /* If necessary, compute the 'show all' string. */
1141     if (($prv_str != '') || ($nxt_str != '')) {
1142         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1143                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1144                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1145     }
1146
1147     /* Last but not least, get the value for the toggle all link. */
1148     $tgl_str = get_selectall_link($start_msg, $sort);
1149
1150     /* Put all the pieces of the paginator string together. */
1151     /**
1152      * Hairy code... But let's leave it like it is since I am not certain
1153      * a different approach would be any easier to read. ;)
1154      */
1155     $result = '';
1156     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1157     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1158     $result .= ($pg_str  != '' ? $pg_str : '');
1159     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1160     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1161
1162     /* If the resulting string is blank, return a non-breaking space. */
1163     if ($result == '') {
1164         $result = '&nbsp;';
1165     }
1166
1167     /* Return our final magical paginator string. */
1168     return ($result);
1169 }
1170
1171 function processSubject($subject) {
1172     global $languages, $squirrelmail_language;
1173     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1174     if ($subject == '')
1175         return _("(no subject)");
1176
1177     if (strlen($subject) <= 55)
1178         return $subject;
1179
1180     $ent_strlen = strlen($subject);
1181     $trim_val=50;
1182     $ent_offset=0;
1183     /*
1184      * see if this is entities-encoded string
1185      * If so, Iterate through the whole string, find out
1186      * the real number of characters, and if more
1187      * than 55, substr with an updated trim value.
1188      */
1189     while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1190             (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1191         $trim_val   += ($ent_loc_end-$ent_loc)+1;
1192         $ent_strlen -= $ent_loc_end-$ent_loc;
1193         $ent_offset  = $ent_loc_end+1;
1194     }
1195
1196     if ($ent_strlen <= 55){
1197         return $subject;
1198     }
1199
1200     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1201         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1202         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1203     }
1204
1205     return substr($subject, 0, $trim_val) . '...';
1206 }
1207
1208 function getMbxList($imapConnection) {
1209     global $lastTargetMailbox;
1210     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1211     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)) );
1212     echo '         </SELECT></TT>&nbsp;';
1213 }
1214
1215 function getButton($type, $name, $value) {
1216     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1217 }
1218
1219 function getSmallStringCell($string, $align) {
1220     return html_tag('td',
1221                     '<small>' . $string . ':&nbsp; </small>',
1222                     $align,
1223                     '',
1224                     'nowrap' );
1225 }
1226
1227 function getEndMessage($start_msg, $show_num, $num_msgs) {
1228     if ($start_msg + ($show_num - 1) < $num_msgs){
1229         $end_msg = $start_msg + ($show_num - 1);
1230     } else {
1231         $end_msg = $num_msgs;
1232     }
1233
1234     if ($end_msg < $start_msg) {
1235         $start_msg = $start_msg - $show_num;
1236         if ($start_msg < 1) {
1237             $start_msg = 1;
1238         }
1239     }
1240     return (array($start_msg,$end_msg));
1241 }
1242
1243 function handleAsSent($mailbox) {
1244     global $sent_folder, $draft_folder, $handleAsSent_result;
1245
1246     /* First check if this is the sent or draft folder. */
1247     $handleAsSent_result = (($mailbox == $sent_folder)
1248                              || ($mailbox == $draft_folder));
1249
1250     /* Then check the result of the handleAsSent hook. */
1251     do_hook('check_handleAsSent_result', $mailbox);
1252
1253     /* And return the result. */
1254     return ($handleAsSent_result);
1255 }
1256 ?>