functions/mailbox_display.php

   1 <?php
   2
   3    /**
   4     **  mailbox_display.php
   5     **
   6     **  This contains functions that display mailbox information, such as the
   7     **  table row that has sender, date, subject, etc...
   8     **
   9     **  $Id$
  10     **/
  11
  12    if (defined('mailbox_display_php'))
  13        return;
  14    define('mailbox_display_php', true);
  15
  16    function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $startMessage, $where, $what) {
  17       global $checkall;
  18       global $color, $msgs, $msort;
  19       global $sent_folder;
  20       global $message_highlight_list;
  21       global $index_order;
  22
  23       $color_string = $color[4];
  24       if ($GLOBALS['alt_index_colors']) {
  25           if (!isset($GLOBALS["row_count"])) {
  26             $GLOBALS["row_count"] = 0;
  27           }
  28           $GLOBALS["row_count"]++;
  29           if ($GLOBALS["row_count"] % 2) {
  30           if (!isset($color[12])) $color[12] = "#EAEAEA";
  31             $color_string = $color[12];
  32           }
  33       }
  34
  35       $msg = $msgs[$key];
  36
  37       $senderName = sqimap_find_displayable_name($msg['FROM']);
  38       $urlMailbox = urlencode($mailbox);
  39       $subject = processSubject($msg['SUBJECT']);
  40
  41       echo "<TR>\n";
  42
  43       if (isset($msg['FLAG_FLAGGED']) && $msg['FLAG_FLAGGED'] == true)
  44       {
  45          $flag = "<font color=$color[2]>";
  46          $flag_end = '</font>';
  47       }
  48       else
  49       {
  50          $flag = '';
  51          $flag_end = '';
  52       }
  53       if (!isset($msg['FLAG_SEEN']) || $msg['FLAG_SEEN'] == false)
  54       {
  55          $bold = '<b>';
  56          $bold_end = '</b>';
  57       }
  58       else
  59       {
  60          $bold = '';
  61          $bold_end = '';
  62       }
  63       if ($mailbox == $sent_folder)
  64       {
  65          $italic = '<i>';
  66          $italic_end = '</i>';
  67       }
  68       else
  69       {
  70          $italic = '';
  71          $italic_end = '';
  72       }
  73       if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'])
  74       {
  75          $fontstr = "<font color=\"$color[9]\">";
  76          $fontstr_end = '</font>';
  77       }
  78       else
  79       {
  80          $fontstr = '';
  81          $fontstr_end = '';
  82       }
  83
  84       for ($i=0; $i < count($message_highlight_list); $i++) {
  85          if (trim($message_highlight_list[$i]['value']) != '') {
  86             if ($message_highlight_list[$i]['match_type'] == 'to_cc') {
  87                if (strpos('^^'.strtolower($msg['TO']), strtolower($message_highlight_list[$i]['value'])) || strpos('^^'.strtolower($msg['CC']), strtolower($message_highlight_list[$i]['value']))) {
  88                   $hlt_color = $message_highlight_list[$i]['color'];
  89                   continue;
  90                }
  91             } else if (strpos('^^'.strtolower($msg[strtoupper($message_highlight_list[$i]['match_type'])]),strtolower($message_highlight_list[$i]['value']))) {
  92                $hlt_color = $message_highlight_list[$i]['color'];
  93                continue;
  94             }
  95          }
  96       }
  97
  98       if (!isset($hlt_color))
  99          $hlt_color = $color_string;
 100
 101       if ($where && $what) {
 102          $search_stuff = '&where='.urlencode($where).'&what='.urlencode($what);
 103       }
 104
 105       if ($checkall == 1)
 106          $checked = ' checked';
 107       else
 108          $checked = '';
 109
 110       for ($i=1; $i <= count($index_order); $i++) {
 111          switch ($index_order[$i]) {
 112             case 1: # checkbox
 113                echo "   <td bgcolor=$hlt_color align=center><input type=checkbox name=\"msg[$t]\" value=".$msg["ID"]."$checked></TD>\n";
 114                break;
 115             case 2: # from
 116                echo "   <td bgcolor=$hlt_color>$italic$bold$flag$fontstr$senderName$fontstr_end$flag_end$bold_end$italic_end</td>\n";
 117                break;
 118             case 3: # date
 119                echo "   <td nowrap bgcolor=$hlt_color><center>$bold$flag$fontstr".$msg["DATE_STRING"]."$fontstr_end$flag_end$bold_end</center></td>\n";
 120                break;
 121             case 4: # subject
 122                echo "   <td bgcolor=$hlt_color>$bold";
 123                    if (! isset($search_stuff)) { $search_stuff = ''; }
 124                echo "<a href=\"read_body.php?mailbox=$urlMailbox&passed_id=".$msg["ID"]."&startMessage=$startMessage&show_more=0$search_stuff\"";
 125                do_hook("subject_link");
 126                echo ">$flag$subject$flag_end</a>$bold_end</td>\n";
 127                break;
 128             case 5: # flags
 129                $stuff = false;
 130                echo "   <td bgcolor=$hlt_color align=center nowrap><b><small>\n";
 131                if (isset($msg['FLAG_ANSWERED']) &&
 132                    $msg['FLAG_ANSWERED'] == true) {
 133                   echo "A\n";
 134                   $stuff = true;
 135                }
 136                if ($msg['TYPE0'] == 'multipart') {
 137                   echo "+\n";
 138                   $stuff = true;
 139                }
 140                if (ereg('(1|2)',substr($msg['PRIORITY'],0,1))) {
 141                   echo "<font color=$color[1]>!</font>\n";
 142                   $stuff = true;
 143                }
 144                if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 145                   echo "<font color=\"$color[1]\">D</font>\n";
 146                   $stuff = true;
 147                }
 148
 149                if (!$stuff) echo "&nbsp;\n";
 150                echo "</small></b></td>\n";
 151                break;
 152             case 6: # size
 153                echo "   <td bgcolor=$hlt_color>$bold$fontstr".show_readable_size($msg['SIZE'])."$fontstr_end$bold_end</td>\n";
 154                break;
 155          }
 156       }
 157
 158
 159       echo "</tr>\n";
 160    }
 161
 162    /**
 163     ** This function loops through a group of messages in the mailbox and shows them
 164     **/
 165    function showMessagesForMailbox($imapConnection, $mailbox, $numMessages, $startMessage, $sort, $color,$show_num, $use_cache) {
 166       global $msgs, $msort;
 167       global $sent_folder;
 168       global $message_highlight_list;
 169       global $auto_expunge;
 170
 171       if ($auto_expunge == true) sqimap_mailbox_expunge($imapConnection, $mailbox, false);
 172       sqimap_mailbox_select($imapConnection, $mailbox);
 173
 174       $issent = ($mailbox == $sent_folder);
 175       if (!$use_cache) {
 176          // if it's sorted
 177          if ($numMessages >= 1) {
 178             if ($sort < 6) {
 179                $id = range(1, $numMessages);
 180             } else {
 181                // if it's not sorted
 182                if ($startMessage + ($show_num - 1) < $numMessages) {
 183                   $endMessage = $startMessage + ($show_num-1);
 184                } else {
 185                   $endMessage = $numMessages;
 186                }
 187
 188                if ($endMessage < $startMessage) {
 189                   $startMessage = $startMessage - $show_num;
 190                   if ($startMessage < 1)
 191                      $startMessage = 1;
 192                }
 193
 194                $real_startMessage = $numMessages - $startMessage + 1;
 195                $real_endMessage = $numMessages - $startMessage - $show_num + 2;
 196                if ($real_endMessage <= 0)
 197                   $real_endMessage = 1;
 198                $id = array_reverse(range($real_endMessage, $real_startMessage));
 199             }
 200
 201             $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 202             $flags = sqimap_get_flags_list($imapConnection, $id, $issent);
 203             foreach ($msgs_list as $hdr) {
 204                $from[] = $hdr->from;
 205                $date[] = $hdr->date;
 206                $subject[] = $hdr->subject;
 207                $to[] = $hdr->to;
 208                $priority[] = $hdr->priority;
 209                $cc[] = $hdr->cc;
 210                $size[] = $hdr->size;
 211                $type[] = $hdr->type0;
 212             }
 213          }
 214
 215          $j = 0;
 216          if ($sort == 6) {
 217             $end = $startMessage + $show_num - 1;
 218             if ($numMessages < $show_num)
 219                 $end_loop = $numMessages;
 220             elseif ($end > $numMessages)
 221                 $end_loop = $numMessages - $startMessage + 1;
 222             else
 223                 $end_loop = $show_num;
 224          } else {
 225             $end = $numMessages;
 226             $end_loop = $end;
 227          }
 228          while ($j < $end_loop) {
 229             if (isset($date[$j])) {
 230                 $date[$j] = ereg_replace('  ', ' ', $date[$j]);
 231                 $tmpdate = explode(' ', trim($date[$j]));
 232             } else {
 233                 $tmpdate = $date = array("","","","","","");
 234             }
 235
 236             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 237             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 238             $messages[$j]['ID'] = $id[$j];
 239             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 240             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 241             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 242             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 243             $messages[$j]['TO'] = decodeHeader($to[$j]);
 244             $messages[$j]['PRIORITY'] = $priority[$j];
 245             $messages[$j]['CC'] = $cc[$j];
 246             $messages[$j]['SIZE'] = $size[$j];
 247             $messages[$j]['TYPE0'] = $type[$j];
 248
 249             # fix SUBJECT-SORT to remove Re:
 250             $re_abbr = # Add more here!
 251                'vedr|sv|' .    # Danish
 252                're|aw';        # English
 253             if (eregi("^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs))
 254                $messages[$j]['SUBJECT-SORT'] = $regs[2];
 255
 256             $num = 0;
 257             while ($num < count($flags[$j])) {
 258                if ($flags[$j][$num] == 'Deleted') {
 259                   $messages[$j]['FLAG_DELETED'] = true;
 260                }
 261                elseif ($flags[$j][$num] == 'Answered') {
 262                   $messages[$j]['FLAG_ANSWERED'] = true;
 263                }
 264                elseif ($flags[$j][$num] == 'Seen') {
 265                   $messages[$j]['FLAG_SEEN'] = true;
 266                }
 267                elseif ($flags[$j][$num] == 'Flagged') {
 268                   $messages[$j]['FLAG_FLAGGED'] = true;
 269                }
 270                $num++;
 271             }
 272             $j++;
 273          }
 274
 275          /* Only ignore messages flagged as deleted if we are using a
 276           * trash folder or auto_expunge */
 277          if (((isset($move_to_trash) && $move_to_trash)
 278               || (isset($auto_expunge) && $auto_expunge)) && $sort != 6)
 279          {
 280             /** Find and remove the ones that are deleted */
 281             $i = 0;
 282             $j = 0;
 283             while ($j < $numMessages) {
 284                if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 285                   $j++;
 286                   continue;
 287                }
 288                $msgs[$i] = $messages[$j];
 289
 290                $i++;
 291                $j++;
 292             }
 293             $numMessages = $i;
 294          } else {
 295             if (! isset($messages))
 296                 $messages = array();
 297             $msgs = $messages;
 298          }
 299       }
 300
 301       // There's gotta be messages in the array for it to sort them.
 302       if ($numMessages > 0 && ! $use_cache) {
 303          /** 0 = Date (up)      4 = Subject (up)
 304           ** 1 = Date (dn)      5 = Subject (dn)
 305           ** 2 = Name (up)
 306           ** 3 = Name (dn)
 307           **/
 308          session_unregister("msgs");
 309          if (($sort == 0) || ($sort == 1))
 310             $msort = array_cleave ($msgs, 'TIME_STAMP');
 311          elseif (($sort == 2) || ($sort == 3))
 312             $msort = array_cleave ($msgs, 'FROM-SORT');
 313          elseif (($sort == 4) || ($sort == 5))
 314             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 315          else // ($sort == 6)
 316             $msort = $msgs;
 317
 318          if ($sort < 6) {
 319             if ($sort % 2) {
 320                asort($msort);
 321             } else {
 322                arsort($msort);
 323             }
 324          }
 325          session_register('msort');
 326       }
 327       displayMessageArray($imapConnection, $numMessages, $startMessage, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 328      session_register('msgs');
 329    }
 330
 331    // generic function to convert the msgs array into an HTML table
 332    function displayMessageArray($imapConnection, $numMessages, $startMessage, &$msgs, $msort, $mailbox, $sort, $color,$show_num) {
 333       global $folder_prefix, $sent_folder;
 334       global $imapServerAddress;
 335       global $index_order, $real_endMessage, $real_startMessage, $checkall;
 336
 337       // if cache isn't already set, do it now
 338       if (!session_is_registered('msgs'))
 339          session_register('msgs');
 340       if (!session_is_registered('msort'))
 341          session_register('msort');
 342
 343       if ($startMessage + ($show_num - 1) < $numMessages) {
 344          $endMessage = $startMessage + ($show_num-1);
 345       } else {
 346          $endMessage = $numMessages;
 347       }
 348
 349       if ($endMessage < $startMessage) {
 350          $startMessage = $startMessage - $show_num;
 351          if ($startMessage < 1)
 352             $startMessage = 1;
 353       }
 354
 355       $nextGroup = $startMessage + $show_num;
 356       $prevGroup = $startMessage - $show_num;
 357       $urlMailbox = urlencode($mailbox);
 358
 359       do_hook('mailbox_index_before');
 360
 361       $Message = '';
 362       if ($startMessage < $endMessage) {
 363          $Message = _("Viewing messages") ." <B>$startMessage</B> ". _("to") ." <B>$endMessage</B> ($numMessages " . _("total") . ")\n";
 364       } elseif ($startMessage == $endMessage) {
 365          $Message = _("Viewing message") ." <B>$startMessage</B> ($numMessages " . _("total") . ")\n";
 366       }
 367
 368       $More = '';
 369       if ($sort == 6) {
 370          $use = 0;
 371       } else {
 372          $use = 1;
 373       }
 374       if (($nextGroup <= $numMessages) && ($prevGroup >= 0)) {
 375          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 376          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 377       }
 378       elseif (($nextGroup > $numMessages) && ($prevGroup >= 0)) {
 379          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 380          $More .= "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 381       }
 382       elseif (($nextGroup <= $numMessages) && ($prevGroup < 0)) {
 383          $More = "<FONT COLOR=\"$color[9]\">"._("Previous")."</FONT> | \n";
 384          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 385       }
 386
 387       if (! isset($msg))
 388           $msg = "";
 389       mail_message_listing_beginning($imapConnection,
 390          "move_messages.php?msg=$msg&mailbox=$urlMailbox&startMessage=$startMessage",
 391           $mailbox, $sort, $Message, $More, $startMessage);
 392
 393       $groupNum = $startMessage % ($show_num - 1);
 394       $real_startMessage = $startMessage;
 395       if ($sort == 6) {
 396          if ($endMessage - $startMessage < $show_num - 1) {
 397             $endMessage = $endMessage - $startMessage + 1;
 398             $startMessage = 1;
 399          } else if ($startMessage > $show_num) {
 400             $endMessage = $show_num;
 401             $startMessage = 1;
 402          }
 403       }
 404
 405       $endVar = $endMessage + 1;
 406
 407       // loop through and display the info for each message.
 408       $t = 0; // $t is used for the checkbox number
 409       if ($numMessages == 0) { // if there's no messages in this folder
 410          echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order);
 411          echo "><CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER></TD></TR>";
 412       } else if ($startMessage == $endMessage) { // if there's only one message in the box, handle it different.
 413          if ($sort != 6)
 414             $i = $startMessage;
 415          else
 416             $i = 1;
 417          reset($msort);
 418          $k = 0;
 419          do {
 420             $key = key($msort);
 421             next($msort);
 422             $k++;
 423          } while (isset ($key) && ($k < $i));
 424          printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 425       } else {
 426          $i = $startMessage;
 427
 428          reset($msort);
 429          $k = 0;
 430          do {
 431             $key = key($msort);
 432             next($msort);
 433             $k++;
 434          } while (isset ($key) && ($k < $i));
 435
 436          do {
 437             printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 438             $key = key($msort);
 439             $t++;
 440             $i++;
 441             next($msort);
 442          } while ($i && $i < $endVar);
 443       }
 444       echo '</TABLE></FORM>';
 445
 446       echo "</td></tr>\n";
 447
 448       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 449       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 450       echo "$More</td><td align=right>\n";
 451       if (!$startMessage) $startMessage=1;
 452       ShowSelectAllLink($startMessage, $sort);
 453
 454       echo '</td></tr></table>';
 455       echo '</td></tr>';
 456       echo '</table>'; /** End of message-list table */
 457
 458       do_hook('mailbox_index_after');
 459    }
 460
 461    /* Displays the standard message list header.
 462     * To finish the table, you need to do a "</table></table>";
 463     * $moveURL is the URL to submit the delete/move form to
 464     * $mailbox is the current mailbox
 465     * $sort is the current sorting method (-1 for no sorting available [searches])
 466     * $Message is a message that is centered on top of the list
 467     * $More is a second line that is left aligned
 468     */
 469    function mail_message_listing_beginning($imapConnection, $moveURL,
 470        $mailbox = '', $sort = -1, $Message = '', $More = '', $startMessage = 1)
 471    {
 472       global $color, $index_order, $auto_expunge, $move_to_trash;
 473       global $checkall, $sent_folder;
 474       $urlMailbox = urlencode($mailbox);
 475          /** This is the beginning of the message list table.  It wraps around all messages */
 476       echo '<TABLE WIDTH="100%" BORDER="0" CELLPADDING="2" CELLSPACING="0">';
 477
 478       if ($Message)
 479       {
 480          echo "<TR BGCOLOR=\"$color[4]\"><TD align=center>$Message</td></tr>\n";
 481       }
 482
 483       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 484       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 485       echo "$More</td><td align=right>\n";
 486       ShowSelectAllLink($startMessage, $sort);
 487
 488       echo '</td></tr></table>';
 489       echo '</td></tr>';
 490
 491       /** The delete and move options */
 492       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 493
 494       echo "\n\n\n<FORM name=messageList method=post action=\"$moveURL\">\n";
 495       echo "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=100%>\n";
 496       echo "   <TR>\n";
 497       echo "      <TD WIDTH=60% ALIGN=LEFT VALIGN=CENTER>\n";
 498
 499
 500       echo '         <NOBR><SMALL>'. _("Move selected to:") .'</SMALL>';
 501       echo '         <TT><SMALL><SELECT NAME="targetMailbox">';
 502
 503       $boxes = sqimap_mailbox_list($imapConnection);
 504       for ($i = 0; $i < count($boxes); $i++) {
 505          if (!in_array("noselect", $boxes[$i]['flags'])) {
 506             $box = $boxes[$i]['unformatted'];
 507             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['unformatted-disp']);
 508             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 509          }
 510       }
 511       echo '         </SELECT></SMALL></TT>';
 512       echo '         <SMALL><INPUT TYPE=SUBMIT NAME="moveButton" VALUE="'. _("Move") ."\"></SMALL></NOBR>\n";
 513       echo "      </TD>\n";
 514       echo "      <TD WIDTH=40% ALIGN=RIGHT>\n";
 515       if (! $auto_expunge) {
 516          echo '         <NOBR><SMALL><INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."</SMALL></NOBR>&nbsp;&nbsp;\n";
 517       }
 518       echo "         <NOBR><SMALL><INPUT TYPE=SUBMIT VALUE=\"". _("Delete") ."\">&nbsp;". _("checked messages") ."</SMALL></NOBR>\n";
 519       echo "      </TD>\n";
 520       echo "   </TR>\n";
 521
 522       echo "</TABLE>\n";
 523       do_hook('mailbox_form_before');
 524       echo '</TD></TR>';
 525
 526       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 527       echo "<TABLE WIDTH=100% BORDER=0 CELLPADDING=2 CELLSPACING=";
 528       if ($GLOBALS['alt_index_colors']) {
 529         echo "0";
 530       } else {
 531         echo "1";
 532       }
 533       echo " BGCOLOR=\"$color[0]\">";
 534       echo "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 535
 536       // Print the headers
 537       for ($i=1; $i <= count($index_order); $i++) {
 538          switch ($index_order[$i]) {
 539             case 1: # checkbox
 540             case 5: # flags
 541                echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 542                break;
 543
 544             case 2: # from
 545                if ($mailbox == $sent_folder)
 546                   echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 547                else
 548                     echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 549                ShowSortButton($sort, $mailbox, 2, 3);
 550                echo "</TD>\n";
 551                break;
 552
 553             case 3: # date
 554                echo '   <TD NOWRAP WIDTH="5%"><B>'. _("Date") .'</B>';
 555                ShowSortButton($sort, $mailbox, 0, 1);
 556                echo "</TD>\n";
 557                break;
 558
 559             case 4: # subject
 560                echo '   <TD><B>'. _("Subject") .'</B> ';
 561                ShowSortButton($sort, $mailbox, 4, 5);
 562                echo "</TD>\n";
 563                break;
 564
 565             case 6: # size
 566                echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 567                break;
 568          }
 569       }
 570       echo "</TR>\n";
 571    }
 572
 573    function ShowSortButton($sort, $mailbox, $Up, $Down) {
 574       if ($sort != $Up && $sort != $Down) {
 575          $img = 'sort_none.gif';
 576          $which = $Up;
 577       } elseif ($sort == $Up) {
 578          $img = 'up_pointer.gif';
 579          $which = $Down;
 580       } else {
 581          $img = 'down_pointer.gif';
 582          $which = 6;
 583       }
 584       echo ' <a href="right_main.php?newsort=' . $which .
 585          '&startMessage=1&mailbox=' . urlencode($mailbox) .
 586          '"><IMG SRC="../images/' . $img .
 587          '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 588    }
 589
 590    function ShowSelectAllLink($startMessage, $sort)
 591    {
 592        global $checkall, $PHP_SELF, $what, $where, $mailbox;
 593
 594        // This code is from Philippe Mingo <mingo@rotedic.com>
 595
 596        ?>
 597 <script language="JavaScript">
 598 <!--
 599 function CheckAll() {
 600   for (var i = 0; i < document.messageList.elements.length; i++) {
 601     if( document.messageList.elements[i].name.substr( 0, 3 ) == 'msg') {
 602       document.messageList.elements[i].checked =
 603         !(document.messageList.elements[i].checked);
 604     }
 605   }
 606 }
 607 window.document.write('<a href="#" onClick="CheckAll();"><?php echo
 608  _("Toggle All") ?></A>');
 609 //-->
 610 </script><noscript>
 611 <?PHP
 612
 613        echo "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox) .
 614           "&startMessage=$startMessage&sort=$sort&checkall=";
 615        if (isset($checkall) && $checkall == '1')
 616            echo '0';
 617        else
 618            echo '1';
 619        if (isset($where) && isset($what))
 620            echo '&where=' . urlencode($where) . '&what=' . urlencode($what);
 621        echo "\">";
 622        if (isset($checkall) && $checkall == '1')
 623            echo _("Unselect All");
 624        else
 625            echo _("Select All");
 626
 627        echo "</A>\n</noscript>\n";
 628    }
 629
 630    function processSubject($subject)
 631    {
 632       // Shouldn't ever happen -- caught too many times in the IMAP functions
 633       if ($subject == '')
 634           return _("(no subject)");
 635
 636       if (strlen($subject) <= 55)
 637           return $subject;
 638
 639       $ent_strlen=strlen($subject);
 640       $trim_val=50;
 641       $ent_offset=0;
 642       // see if this is entities-encoded string
 643       // If so, Iterate through the whole string, find out
 644       // the real number of characters, and if more
 645       // than 55, substr with an updated trim value.
 646       while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 647              ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 648       {
 649          $trim_val += ($ent_loc_end-$ent_loc)+1;
 650          $ent_strlen -= $ent_loc_end-$ent_loc;
 651          $ent_offset = $ent_loc_end+1;
 652       }
 653
 654       if ($ent_strlen <= 55)
 655           return $subject;
 656
 657       return substr($subject, 0, $trim_val) . '...';
 658    }
 659
 660 ?>