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         $searchstr = '';
 116     }
 117     /**
 118     * AAAAH! Make my eyes stop bleeding!
 119     * Who wrote this?!
 120     */
 121     if (sizeof($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, $sort) {
 449
 450     /*
 451      * 0 = Date (up)
 452      * 1 = Date (dn)
 453      * 2 = Name (up)
 454      * 3 = Name (dn)
 455      * 4 = Subject (up)
 456      * 5 = Subject (dn)
 457      */
 458     if (($sort == 0) || ($sort == 1)) {
 459         $msort = array_cleave ($msgs, 'TIME_STAMP');
 460     } elseif (($sort == 2) || ($sort == 3)) {
 461         $msort = array_cleave ($msgs, 'FROM-SORT');
 462     } elseif (($sort == 4) || ($sort == 5)) {
 463         $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 464     } else {
 465         $msort = $msgs;
 466     }
 467     if ($sort < 6) {
 468         if ($sort % 2) {
 469             asort($msort);
 470         } else {
 471             arsort($msort);
 472         }
 473     }
 474     return $msort;
 475 }
 476
 477 function fillMessageArray($imapConnection, $id, $count) {
 478     $msgs_list = sqimap_get_small_header_list($imapConnection, $id);
 479     $messages = array();
 480     if (sizeof($msgs_list)) {
 481         foreach ($msgs_list as $hdr) {
 482             $unique_id[] = $hdr->uid;
 483             $from[] = $hdr->from;
 484             $date[] = $hdr->date;
 485             $subject[] = $hdr->subject;
 486             $to[] = $hdr->to;
 487             $priority[] = $hdr->priority;
 488             $cc[] = $hdr->cc;
 489             $size[] = $hdr->size;
 490             $type[] = $hdr->type0;
 491             $flag_deleted[] = $hdr->flag_deleted;
 492             $flag_answered[] = $hdr->flag_answered;
 493             $flag_seen[] = $hdr->flag_seen;
 494             $flag_flagged[] = $hdr->flag_flagged;
 495         }
 496     }
 497
 498     for($j = 0; $j < $count; ++$j) {
 499         if (isset($date[$j])) {
 500             $date[$j] = str_replace('  ', ' ', $date[$j]);
 501             $tmpdate  = explode(' ', trim($date[$j]));
 502         } else {
 503             $tmpdate = $date = array('', '', '', '', '', '');
 504         }
 505         $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 506         $messages[$j]['DATE_STRING'] =
 507         getDateString($messages[$j]['TIME_STAMP']);
 508         $messages[$j]['ID'] = $unique_id[$j];
 509         $messages[$j]['FROM'] = decodeHeader($from[$j]);
 510         $messages[$j]['FROM-SORT'] =
 511         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 512         $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 513         $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 514         $messages[$j]['TO'] = decodeHeader($to[$j]);
 515         $messages[$j]['PRIORITY'] = $priority[$j];
 516         $messages[$j]['CC'] = $cc[$j];
 517         $messages[$j]['SIZE'] = $size[$j];
 518         $messages[$j]['TYPE0'] = $type[$j];
 519         $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 520         $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 521         $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 522         $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 523
 524         /*
 525          * fix SUBJECT-SORT to remove Re:
 526          *     vedr|sv  (Danish)
 527          *     re|aw (English)
 528          *
 529          * TODO: i18n should be incorporated here. E.g. we catch the ones
 530          * we know about, but also define in i18n what the localized
 531          * "Re: " is for this or that locale.
 532          */
 533         if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 534             $messages[$j]['SUBJECT-SORT'], $matches)){
 535             $messages[$j]['SUBJECT-SORT'] = $matches[2];
 536         }
 537     }
 538     return $messages;
 539 }
 540
 541
 542 /* Generic function to convert the msgs array into an HTML table. */
 543 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 544                              $msort, $mailbox, $sort, $color,
 545                              $show_num, $where=0, $what=0) {
 546     global $imapServerAddress, $use_mailbox_cache, $index_order,
 547            $indent_array, $thread_sort_messages, $allow_server_sort,
 548            $server_sort_order, $PHP_SELF;
 549
 550     $res = getEndMessage($start_msg, $show_num, $num_msgs);
 551     $start_msg = $res[0];
 552     $end_msg   = $res[1];
 553
 554     $urlMailbox = urlencode($mailbox);
 555
 556     /* get indent level for subject display */
 557     if ($thread_sort_messages == 1 ) {
 558         $indent_array = get_parent_level($imapConnection);
 559     }
 560
 561     $real_startMessage = $start_msg;
 562     if ($sort == 6) {
 563         if ($end_msg - $start_msg < $show_num - 1) {
 564             $end_msg = $end_msg - $start_msg + 1;
 565             $start_msg = 1;
 566         } else if ($start_msg > $show_num) {
 567             $end_msg = $show_num;
 568             $start_msg = 1;
 569         }
 570     }
 571     $endVar = $end_msg + 1;
 572
 573     /*
 574      * Loop through and display the info for each message.
 575      * ($t is used for the checkbox number)
 576      */
 577     $t = 0;
 578
 579     /* messages display */
 580
 581     if ($num_msgs == 0) {
 582     /* if there's no messages in this folder */
 583         echo html_tag( 'tr',
 584                 html_tag( 'td',
 585                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 586                           'center',
 587                           $color[4],
 588                           'COLSPAN="' . count($index_order) . '"'
 589                 )
 590         );
 591     } elseif ($start_msg == $end_msg) {
 592     /* if there's only one message in the box, handle it differently. */
 593         if ($sort != 6) {
 594             $i = $start_msg;
 595         } else {
 596             $i = 1;
 597         }
 598         reset($msort);
 599         $k = 0;
 600         do {
 601             $key = key($msort);
 602             next($msort);
 603             $k++;
 604         } while (isset ($key) && ($k < $i));
 605         printMessageInfo($imapConnection, $t, true, $key, $mailbox,
 606                          $real_startMessage, $where, $what);
 607     } else {
 608         $i = $start_msg;
 609         reset($msort);
 610         $k = 0;
 611         do {
 612             $key = key($msort);
 613             next($msort);
 614             $k++;
 615         } while (isset ($key) && ($k < $i));
 616         $not_last = true;
 617         do {
 618             if (!$i || $i == $endVar-1) $not_last = false;
 619                 printMessageInfo($imapConnection, $t, $not_last, $key, $mailbox,
 620                                  $real_startMessage, $where, $what);
 621             $key = key($msort);
 622             $t++;
 623             $i++;
 624             next($msort);
 625         } while ($i && $i < $endVar);
 626     }
 627 }
 628
 629 /*
 630  * Displays the standard message list header. To finish the table,
 631  * you need to do a "</table></table>";
 632  *
 633  * $moveURL is the URL to submit the delete/move form to
 634  * $mailbox is the current mailbox
 635  * $sort is the current sorting method (-1 for no sorting available [searches])
 636  * $Message is a message that is centered on top of the list
 637  * $More is a second line that is left aligned
 638  */
 639
 640 function mail_message_listing_beginning ($imapConnection,
 641                                          $mailbox = '', $sort = -1,
 642                                          $msg_cnt_str = '',
 643                                          $paginator = '&nbsp;',
 644                                          $start_msg = 1) {
 645     global $color, $auto_expunge, $base_uri, $thread_sort_messages,
 646            $allow_thread_sort, $allow_server_sort, $server_sort_order,
 647            $PHP_SELF;
 648
 649     $php_self = $PHP_SELF;
 650     /* fix for incorrect $PHP_SELF */
 651     if (strpos($php_self, 'move_messages.php')) {
 652         $php_self = str_replace('move_messages.php', 'right_main.php', $php_self);
 653     }
 654     $urlMailbox = urlencode($mailbox);
 655
 656     if (preg_match('/^(.+)\?.+$/',$php_self,$regs)) {
 657         $source_url = $regs[1];
 658     } else {
 659         $source_url = $php_self;
 660     }
 661
 662     if (!isset($msg)) {
 663         $msg = '';
 664     }
 665     $moveURL = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 666              . "&amp;startMessage=$start_msg";
 667     /*
 668      * This is the beginning of the message list table.
 669      * It wraps around all messages
 670      */
 671     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 672         . html_tag( 'table' ,
 673             html_tag( 'tr',
 674                 html_tag( 'td' ,
 675                     html_tag( 'table' ,
 676                         html_tag( 'tr',
 677                             html_tag( 'td', $paginator, 'left' ) .
 678                             html_tag( 'td', $msg_cnt_str, 'right' )
 679                         )
 680                     , '', $color[4], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 681                 , 'left', '', '' )
 682             , '', $color[0] )
 683             , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 684         /* line between header and button area */
 685         echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'"></td></tr>';
 686
 687         echo '<tr><td>';
 688         echo html_tag( 'tr' ) . "\n"
 689         . html_tag( 'td' ,'' , 'left', '', '' )
 690          . html_tag( 'table' ,'' , '', $color[9], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 691           . '<tr><td>'
 692            . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="1"  cellspacing="0"' )
 693             . html_tag( 'tr',
 694                 getSmallStringCell(_("Move Selected To"), 'left', 'nowrap') .
 695                 getSmallStringCell(_("Transform Selected Messages"), 'right')
 696             )
 697             . html_tag( 'tr' ) ."\n"
 698             . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' );
 699             getMbxList($imapConnection);
 700             echo getButton('SUBMIT', 'moveButton',_("Move")) . "\n";
 701             echo getButton('SUBMIT', 'attache',_("Forward")) . "\n";
 702
 703   echo "      </TD>\n"
 704          . html_tag( 'td', '', 'right', '', 'nowrap' );
 705
 706
 707
 708     if (!$auto_expunge) {
 709         echo getButton('SUBMIT', 'expungeButton',_("Expunge"))
 710              .'&nbsp;' . _("mailbox") . "\n";
 711     }
 712
 713     echo getButton('SUBMIT', 'markRead',_("Read"));
 714     echo getButton('SUBMIT', 'markUnread',_("Unread"));
 715     echo getButton('SUBMIT', 'delete',_("Delete")) ."&nbsp\n";
 716     if (!strpos($php_self,'mailbox')) {
 717         $location = $php_self.'?mailbox=INBOX&amp;startMessage=1';
 718     } else {
 719         $location = $php_self;
 720     }
 721     echo '<INPUT TYPE="HIDDEN" NAME="location" VALUE="'.$location.'">';
 722     echo "</TD>\n"
 723          . "   </TR>\n";
 724
 725     /* draws thread sorting links */
 726     if ($allow_thread_sort == TRUE) {
 727         if ($thread_sort_messages == 1 ) {
 728             $set_thread = 2;
 729             $thread_name = _("Unthread View");
 730         } elseif ($thread_sort_messages == 0) {
 731             $set_thread = 1;
 732             $thread_name = _("Thread View");
 733         }
 734         echo html_tag( 'tr' ,
 735                     html_tag( 'td' ,
 736                               '&nbsp;<a href=' . $source_url . '?sort='
 737                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 738                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 739                               . '</a></small>&nbsp;'
 740                      , '', '', '' )
 741                  , '', '', '' );
 742     }
 743
 744     echo "</TABLE></td></tr></table></td></tr>\n";
 745
 746     do_hook('mailbox_form_before');
 747
 748     /* if using server sort we highjack the
 749      * the $sort var and use $server_sort_order
 750      * instead. but here we reset sort for a bit
 751      * since its easy
 752      */
 753     if ($allow_server_sort == TRUE) {
 754         $sort = $server_sort_order;
 755     }
 756 }
 757
 758 function mail_message_listing_end($num_msgs, $paginator_str, $msg_cnt_str, $color) {
 759   if ($num_msgs) {
 760     /* space between list and footer */
 761     echo '<tr><td HEIGHT="5" BGCOLOR="'.$color[4].'" COLSPAN="1">';
 762
 763     echo '</td></tr><tr><td>';
 764     echo html_tag( 'table',
 765             html_tag( 'tr',
 766                 html_tag( 'td',
 767                     html_tag( 'table',
 768                         html_tag( 'tr',
 769                             html_tag( 'td', $paginator_str ) .
 770                             html_tag( 'td', $msg_cnt_str, 'right' )
 771                         )
 772                     , '', $color[4], 'width="100%" border="0" cellpadding="1" cellspacing="0"' )
 773                 )
 774             )
 775         , '', $color[9], 'width="100%" border="0" cellpadding="1"  cellspacing="0"' );
 776     echo '</td></tr>';
 777   }
 778     /* End of message-list table */
 779
 780     do_hook('mailbox_index_after');
 781     echo "</FORM>\n";
 782 }
 783
 784 function printHeader($mailbox, $sort, $color, $showsort=true) {
 785     global $index_order;
 786     echo html_tag( 'tr' ,'' , 'center', $color[5] );
 787     for ($i = 1; $i <= count($index_order); $i++) {
 788         switch ($index_order[$i]) {
 789         case 1: /* checkbox */
 790         case 5: /* flags */
 791             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 792             break;
 793         case 2: /* from */
 794             if (handleAsSent($mailbox)) {
 795                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 796                      . '<b>' . _("To") . '</b>';
 797             } else {
 798                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 799                      . '<b>' . _("From") . '</b>';
 800             }
 801             if ($showsort) {
 802                 ShowSortButton($sort, $mailbox, 2, 3);
 803             }
 804             echo "</td>\n";
 805             break;
 806         case 3: /* date */
 807             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 808                  . '<b>' . _("Date") . '</b>';
 809             if ($showsort) {
 810                 ShowSortButton($sort, $mailbox, 0, 1);
 811             }
 812             echo "</td>\n";
 813             break;
 814         case 4: /* subject */
 815             echo html_tag( 'td' ,'' , 'left', '', '' )
 816                  . '<b>' . _("Subject") . '</b>';
 817             if ($showsort) {
 818                 ShowSortButton($sort, $mailbox, 4, 5);
 819             }
 820             echo "</td>\n";
 821             break;
 822         case 6: /* size */
 823             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 824             break;
 825         }
 826     }
 827     echo "</tr>\n";
 828 }
 829
 830
 831 /*
 832  * This function shows the sort button. Isn't this a good comment?
 833  */
 834 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 835     global $PHP_SELF;
 836     /* Figure out which image we want to use. */
 837     if ($sort != $Up && $sort != $Down) {
 838         $img = 'sort_none.png';
 839         $which = $Up;
 840     } elseif ($sort == $Up) {
 841         $img = 'up_pointer.png';
 842         $which = $Down;
 843     } else {
 844         $img = 'down_pointer.png';
 845         $which = 6;
 846     }
 847
 848     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 849         $source_url = $regs[1];
 850     } else {
 851         $source_url = $PHP_SELF;
 852     }
 853
 854     /* Now that we have everything figured out, show the actual button. */
 855     echo ' <a href="' . $source_url .'?newsort=' . $which
 856          . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 857          . '"><IMG SRC="../images/' . $img
 858          . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 859 }
 860
 861 function get_selectall_link($start_msg, $sort) {
 862     global $checkall, $what, $where, $mailbox, $javascript_on;
 863     global $PHP_SELF, $PG_SHOWNUM;
 864
 865     $result = '';
 866     if ($javascript_on) {
 867         $result = '<script language="JavaScript" type="text/javascript">'
 868                 . "\n<!-- \n"
 869                 . "function CheckAll() {\n"
 870                 . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 871                 . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 872                 . "      document.messageList.elements[i].checked = "
 873                 . "        !(document.messageList.elements[i].checked);\n"
 874                 . "    }\n"
 875                 . "  }\n"
 876                 . "}\n"
 877                 . "//-->\n"
 878                 . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 879                 . "</a>\n";
 880     } else {
 881         if (strpos($PHP_SELF, "?")) {
 882             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 883                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 884         } else {
 885             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 886                     .  "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 887         }
 888         if (isset($checkall) && $checkall == '1') {
 889             $result .= '0';
 890         } else {
 891             $result .= '1';
 892         }
 893
 894         if (isset($where) && isset($what)) {
 895             $result .= '&amp;where=' . urlencode($where)
 896                     .  '&amp;what=' . urlencode($what);
 897         }
 898         $result .= "\">";
 899
 900         if (isset($checkall) && ($checkall == '1')) {
 901             $result .= _("Unselect All");
 902         } else {
 903             $result .= _("Select All");
 904         }
 905         $result .= "</A>\n";
 906     }
 907
 908     /* Return our final result. */
 909     return ($result);
 910 }
 911
 912 /*
 913  * This function computes the "Viewing Messages..." string.
 914  */
 915 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 916     /* Compute the $msg_cnt_str. */
 917     $result = '';
 918     if ($start_msg < $end_msg) {
 919         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 920                           $start_msg, $end_msg, $num_msgs);
 921     } else if ($start_msg == $end_msg) {
 922         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 923     } else {
 924         $result = '<br>';
 925     }
 926     /* Return our result string. */
 927     return ($result);
 928 }
 929
 930 /*
 931  * Generate a paginator link.
 932  */
 933 function get_paginator_link($box, $start_msg, $use, $text) {
 934     global $PHP_SELF;
 935
 936     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 937             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 938             . "TARGET=\"right\">$text</A>";
 939     return ($result);
 940 /*
 941     if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 942         $source_url = $regs[1];
 943     } else {
 944         $source_url = $PHP_SELF;
 945     }
 946
 947     $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 948             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 949             . "TARGET=\"right\">$text</A>";
 950     return ($result);
 951 */
 952 }
 953
 954 /*
 955  * This function computes the paginator string.
 956  */
 957 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 958                            $show_num, $sort) {
 959     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 960
 961     /* Initialize paginator string chunks. */
 962     $prv_str = '';
 963     $nxt_str = '';
 964     $pg_str  = '';
 965     $all_str = '';
 966     $tgl_str = '';
 967
 968     $box = urlencode($box);
 969
 970     /* Create simple strings that will be creating the paginator. */
 971     $spc = '&nbsp;';     /* This will be used as a space. */
 972     $sep = '|';          /* This will be used as a seperator. */
 973
 974     /* Get some paginator preference values. */
 975     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 976     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 977
 978     /* Make sure that our start message number is not too big. */
 979     $start_msg = min($start_msg, $num_msgs);
 980
 981     /* Decide whether or not we will use the mailbox cache. */
 982     /* Not sure why $use_mailbox_cache is even passed in.   */
 983     if ($sort == 6) {
 984         $use = 0;
 985     } else {
 986         $use = 1;
 987     }
 988
 989     /* Compute the starting message of the previous and next page group. */
 990     $next_grp = $start_msg + $show_num;
 991     $prev_grp = $start_msg - $show_num;
 992
 993     /* Compute the basic previous and next strings. */
 994     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
 995         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
 996         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
 997     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
 998         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
 999         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1000     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1001         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1002         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1003     }
1004
1005     /* Page selector block. Following code computes page links. */
1006     if ($pg_sel && ($num_msgs > $show_num)) {
1007         /* Most importantly, what is the current page!!! */
1008         $cur_pg = intval($start_msg / $show_num) + 1;
1009
1010         /* Compute total # of pages and # of paginator page links. */
1011         $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1012         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1013
1014         /* Compute the size of the four quarters of the page links. */
1015
1016         /* If we can, just show all the pages. */
1017         if (($tot_pgs - 1) <= $pg_max) {
1018             $q1_pgs = $cur_pg - 1;
1019             $q2_pgs = $q3_pgs = 0;
1020             $q4_pgs = $tot_pgs - $cur_pg;
1021
1022         /* Otherwise, compute some magic to choose the four quarters. */
1023         } else {
1024             /*
1025              * Compute the magic base values. Added together,
1026              * these values will always equal to the $pag_pgs.
1027              * NOTE: These are DEFAULT values and do not take
1028              * the current page into account. That is below.
1029              */
1030             $q1_pgs = floor($vis_pgs/4);
1031             $q2_pgs = round($vis_pgs/4, 0);
1032             $q3_pgs = ceil($vis_pgs/4);
1033             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1034
1035             /* Adjust if the first quarter contains the current page. */
1036             if (($cur_pg - $q1_pgs) < 1) {
1037                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1038                 $q1_pgs = $cur_pg - 1;
1039                 $q2_pgs = 0;
1040                 $q3_pgs += ceil($extra_pgs / 2);
1041                 $q4_pgs += floor($extra_pgs / 2);
1042
1043             /* Adjust if the first and second quarters intersect. */
1044             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1045                 $extra_pgs = $q2_pgs;
1046                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1047                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1048                 $q3_pgs += ceil($extra_pgs / 2);
1049                 $q4_pgs += floor($extra_pgs / 2);
1050
1051             /* Adjust if the fourth quarter contains the current page. */
1052             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1053                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1054                 $q3_pgs = 0;
1055                 $q4_pgs = $tot_pgs - $cur_pg;
1056                 $q1_pgs += floor($extra_pgs / 2);
1057                 $q2_pgs += ceil($extra_pgs / 2);
1058
1059             /* Adjust if the third and fourth quarter intersect. */
1060             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1061                 $extra_pgs = $q3_pgs;
1062                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1063                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1064                 $q1_pgs += floor($extra_pgs / 2);
1065                 $q2_pgs += ceil($extra_pgs / 2);
1066             }
1067         }
1068
1069         /*
1070          * I am leaving this debug code here, commented out, because
1071          * it is a really nice way to see what the above code is doing.
1072          * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1073          *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1074          */
1075
1076         /* Print out the page links from the compute page quarters. */
1077
1078         /* Start with the first quarter. */
1079         if (($q1_pgs == 0) && ($cur_pg > 1)) {
1080             $pg_str .= "...$spc";
1081         } else {
1082             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1083                 $start = (($pg-1) * $show_num) + 1;
1084                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1085             }
1086             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1087                 $pg_str .= "...$spc";
1088             }
1089         }
1090
1091         /* Continue with the second quarter. */
1092         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1093             $start = (($pg-1) * $show_num) + 1;
1094             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1095         }
1096
1097         /* Now print the current page. */
1098         $pg_str .= $cur_pg . $spc;
1099
1100         /* Next comes the third quarter. */
1101         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1102             $start = (($pg-1) * $show_num) + 1;
1103             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1104         }
1105
1106         /* And last, print the forth quarter page links. */
1107         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1108             $pg_str .= "...$spc";
1109         } else {
1110             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1111                 $pg_str .= "...$spc";
1112             }
1113             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1114                 $start = (($pg-1) * $show_num) + 1;
1115                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1116             }
1117         }
1118     } else if ($PG_SHOWNUM == 999999) {
1119         $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1120                 . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1121                 . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1122     }
1123
1124     /* If necessary, compute the 'show all' string. */
1125     if (($prv_str != '') || ($nxt_str != '')) {
1126         $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1127                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1128                  . "TARGET=\"right\">" . _("Show All") . '</A>';
1129     }
1130
1131     /* Last but not least, get the value for the toggle all link. */
1132     $tgl_str = get_selectall_link($start_msg, $sort);
1133
1134     /* Put all the pieces of the paginator string together. */
1135     /**
1136      * Hairy code... But let's leave it like it is since I am not certain
1137      * a different approach would be any easier to read. ;)
1138      */
1139     $result = '';
1140     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1141     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1142     $result .= ($pg_str  != '' ? $pg_str : '');
1143     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1144     $result .= ($result  != '' ? $sep . $spc . $tgl_str: $tgl_str);
1145
1146     /* If the resulting string is blank, return a non-breaking space. */
1147     if ($result == '') {
1148         $result = '&nbsp;';
1149     }
1150
1151     /* Return our final magical paginator string. */
1152     return ($result);
1153 }
1154
1155 function processSubject($subject) {
1156     global $languages, $squirrelmail_language;
1157     /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1158     if ($subject == '')
1159         return _("(no subject)");
1160
1161     if (strlen($subject) <= 55)
1162         return $subject;
1163
1164     $ent_strlen = strlen($subject);
1165     $trim_val=50;
1166     $ent_offset=0;
1167     /*
1168      * see if this is entities-encoded string
1169      * If so, Iterate through the whole string, find out
1170      * the real number of characters, and if more
1171      * than 55, substr with an updated trim value.
1172      */
1173     while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1174             (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1175         $trim_val   += ($ent_loc_end-$ent_loc)+1;
1176         $ent_strlen -= $ent_loc_end-$ent_loc;
1177         $ent_offset  = $ent_loc_end+1;
1178     }
1179
1180     if ($ent_strlen <= 55){
1181         return $subject;
1182     }
1183
1184     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
1185         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
1186         return $languages[$squirrelmail_language]['XTRA_CODE']('strimwidth', $subject, $trim_val);
1187     }
1188
1189     return substr($subject, 0, $trim_val) . '...';
1190 }
1191
1192 function getMbxList($imapConnection) {
1193     global $lastTargetMailbox;
1194     echo  '         <small>&nbsp;<tt><select name="targetMailbox">';
1195     echo sqimap_mailbox_option_list($imapConnection, array(strtolower($lastTargetMailbox)) );
1196     echo '         </SELECT></TT>&nbsp;';
1197 }
1198
1199 function getButton($type, $name, $value) {
1200     return '<INPUT TYPE="'.$type.'" NAME="'.$name.'" VALUE="'.$value . '">';
1201 }
1202
1203 function getSmallStringCell($string, $align) {
1204     return html_tag('td',
1205                     '<small>' . $string . ':&nbsp; </small>',
1206                     $align,
1207                     '',
1208                     'nowrap' );
1209 }
1210
1211 function getEndMessage($start_msg, $show_num, $num_msgs) {
1212     if ($start_msg + ($show_num - 1) < $num_msgs){
1213         $end_msg = $start_msg + ($show_num - 1);
1214     } else {
1215         $end_msg = $num_msgs;
1216     }
1217
1218     if ($end_msg < $start_msg) {
1219         $start_msg = $start_msg - $show_num;
1220         if ($start_msg < 1) {
1221             $start_msg = 1;
1222         }
1223     }
1224     return (array($start_msg,$end_msg));
1225 }
1226
1227 function handleAsSent($mailbox) {
1228     global $sent_folder, $draft_folder, $handleAsSent_result;
1229
1230     /* First check if this is the sent or draft folder. */
1231     $handleAsSent_result = (($mailbox == $sent_folder)
1232                              || ($mailbox == $draft_folder));
1233
1234     /* Then check the result of the handleAsSent hook. */
1235     do_hook('check_handleAsSent_result', $mailbox);
1236
1237     /* And return the result. */
1238     return ($handleAsSent_result);
1239 }
1240 ?>