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, $mailbox);
 173
 174       if (!$use_cache) {
 175          // if it's sorted
 176          if ($numMessages >= 1) {
 177             if ($sort < 6) {
 178                for ($q = 0; $q < $numMessages; $q++) {
 179                   if($mailbox == $sent_folder)
 180                      $hdr = sqimap_get_small_header ($imapConnection, $q+1, true);
 181                   else
 182                      $hdr = sqimap_get_small_header ($imapConnection, $q+1, false);
 183
 184                   $from[$q] = $hdr->from;
 185                   $date[$q] = $hdr->date;
 186                   $subject[$q] = $hdr->subject;
 187                   $to[$q] = $hdr->to;
 188                   $priority[$q] = $hdr->priority;
 189                   $cc[$q] = $hdr->cc;
 190                   $size[$q] = $hdr->size;
 191                   $type[$q] = $hdr->type0;
 192                   $flags[$q] = sqimap_get_flags ($imapConnection, $q+1);
 193                   $id[$q] = $q + 1;
 194                }
 195             } else {
 196                // if it's not sorted
 197                if ($startMessage + ($show_num - 1) < $numMessages) {
 198                   $endMessage = $startMessage + ($show_num-1);
 199                } else {
 200                   $endMessage = $numMessages;
 201                }
 202
 203                if ($endMessage < $startMessage) {
 204                   $startMessage = $startMessage - $show_num;
 205                   if ($startMessage < 1)
 206                      $startMessage = 1;
 207                }
 208
 209
 210                $real_startMessage = $numMessages - $startMessage + 1;
 211                $real_endMessage = $numMessages - $startMessage - $show_num;
 212                if ($real_endMessage <= 0)
 213                   $real_endMessage = 1;
 214
 215                $j = 0;
 216                for ($q = $real_startMessage; $q >= $real_endMessage; $q--) {
 217                   if($mailbox == $sent_folder)
 218                      $hdr = sqimap_get_small_header ($imapConnection, $q, true);
 219                   else
 220                      $hdr = sqimap_get_small_header ($imapConnection, $q, false);
 221
 222                   $from[$j] = $hdr->from;
 223                   $date[$j] = $hdr->date;
 224                   $subject[$j] = $hdr->subject;
 225                   $to[$j] = $hdr->to;
 226                   $priority[$j] = $hdr->priority;
 227                   $cc[$j] = $hdr->cc;
 228                   $size[$j] = $hdr->size;
 229                   $type[$j] = $hdr->type0;
 230                   $flags[$j] = sqimap_get_flags ($imapConnection, $q);
 231                   $id[$j] = $q;
 232                   $j++;
 233                }
 234             }
 235          }
 236
 237          $j = 0;
 238          if ($sort == 6) {
 239             $end = $startMessage + $show_num - 1;
 240             if ($numMessages < $show_num)
 241                 $end_loop = $numMessages;
 242             elseif ($end > $numMessages)
 243                 $end_loop = $numMessages - $startMessage + 1;
 244             else
 245                 $end_loop = $show_num;
 246          } else {
 247             $end = $numMessages;
 248             $end_loop = $end;
 249          }
 250          while ($j < $end_loop) {
 251             if (isset($date[$j])) {
 252                 $date[$j] = ereg_replace('  ', ' ', $date[$j]);
 253                 $tmpdate = explode(' ', trim($date[$j]));
 254             } else {
 255                 $tmpdate = $date = array("","","","","","");
 256             }
 257
 258             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 259             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 260             $messages[$j]['ID'] = $id[$j];
 261             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 262             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 263             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 264             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 265             $messages[$j]['TO'] = decodeHeader($to[$j]);
 266             $messages[$j]['PRIORITY'] = $priority[$j];
 267             $messages[$j]['CC'] = $cc[$j];
 268             $messages[$j]['SIZE'] = $size[$j];
 269             $messages[$j]['TYPE0'] = $type[$j];
 270
 271             # fix SUBJECT-SORT to remove Re:
 272             $re_abbr = # Add more here!
 273                'vedr|sv|' .    # Danish
 274                're|aw';        # English
 275             if (eregi("^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs))
 276                $messages[$j]['SUBJECT-SORT'] = $regs[2];
 277
 278             $num = 0;
 279             while ($num < count($flags[$j])) {
 280                if ($flags[$j][$num] == 'Deleted') {
 281                   $messages[$j]['FLAG_DELETED'] = true;
 282                }
 283                elseif ($flags[$j][$num] == 'Answered') {
 284                   $messages[$j]['FLAG_ANSWERED'] = true;
 285                }
 286                elseif ($flags[$j][$num] == 'Seen') {
 287                   $messages[$j]['FLAG_SEEN'] = true;
 288                }
 289                elseif ($flags[$j][$num] == 'Flagged') {
 290                   $messages[$j]['FLAG_FLAGGED'] = true;
 291                }
 292                $num++;
 293             }
 294             $j++;
 295          }
 296
 297          /* Only ignore messages flagged as deleted if we are using a
 298           * trash folder or auto_expunge */
 299          if (((isset($move_to_trash) && $move_to_trash)
 300               || (isset($auto_expunge) && $auto_expunge)) && $sort != 6)
 301          {
 302             /** Find and remove the ones that are deleted */
 303             $i = 0;
 304             $j = 0;
 305             while ($j < $numMessages) {
 306                if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 307                   $j++;
 308                   continue;
 309                }
 310                $msgs[$i] = $messages[$j];
 311
 312                $i++;
 313                $j++;
 314             }
 315             $numMessages = $i;
 316          } else {
 317             if (! isset($messages))
 318                 $messages = array();
 319             $msgs = $messages;
 320          }
 321       }
 322
 323       // There's gotta be messages in the array for it to sort them.
 324       if ($numMessages > 0 && ! $use_cache) {
 325          /** 0 = Date (up)      4 = Subject (up)
 326           ** 1 = Date (dn)      5 = Subject (dn)
 327           ** 2 = Name (up)
 328           ** 3 = Name (dn)
 329           **/
 330          session_unregister("msgs");
 331          if (($sort == 0) || ($sort == 1))
 332             $msort = array_cleave ($msgs, 'TIME_STAMP');
 333          elseif (($sort == 2) || ($sort == 3))
 334             $msort = array_cleave ($msgs, 'FROM-SORT');
 335          elseif (($sort == 4) || ($sort == 5))
 336             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 337          else // ($sort == 6)
 338             $msort = $msgs;
 339
 340          if ($sort < 6) {
 341             if ($sort % 2) {
 342                asort($msort);
 343             } else {
 344                arsort($msort);
 345             }
 346          }
 347          session_register('msort');
 348       }
 349       displayMessageArray($imapConnection, $numMessages, $startMessage, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 350      session_register('msgs');
 351    }
 352
 353    // generic function to convert the msgs array into an HTML table
 354    function displayMessageArray($imapConnection, $numMessages, $startMessage, &$msgs, $msort, $mailbox, $sort, $color,$show_num) {
 355       global $folder_prefix, $sent_folder;
 356       global $imapServerAddress;
 357       global $index_order, $real_endMessage, $real_startMessage, $checkall;
 358
 359       // if cache isn't already set, do it now
 360       if (!session_is_registered('msgs'))
 361          session_register('msgs');
 362       if (!session_is_registered('msort'))
 363          session_register('msort');
 364
 365       if ($startMessage + ($show_num - 1) < $numMessages) {
 366          $endMessage = $startMessage + ($show_num-1);
 367       } else {
 368          $endMessage = $numMessages;
 369       }
 370
 371       if ($endMessage < $startMessage) {
 372          $startMessage = $startMessage - $show_num;
 373          if ($startMessage < 1)
 374             $startMessage = 1;
 375       }
 376
 377       $nextGroup = $startMessage + $show_num;
 378       $prevGroup = $startMessage - $show_num;
 379       $urlMailbox = urlencode($mailbox);
 380
 381       do_hook('mailbox_index_before');
 382
 383       $Message = '';
 384       if ($startMessage < $endMessage) {
 385          $Message = _("Viewing messages") ." <B>$startMessage</B> ". _("to") ." <B>$endMessage</B> ($numMessages " . _("total") . ")\n";
 386       } elseif ($startMessage == $endMessage) {
 387          $Message = _("Viewing message") ." <B>$startMessage</B> ($numMessages " . _("total") . ")\n";
 388       }
 389
 390       $More = '';
 391       if ($sort == 6) {
 392          $use = 0;
 393       } else {
 394          $use = 1;
 395       }
 396       if (($nextGroup <= $numMessages) && ($prevGroup >= 0)) {
 397          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 398          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 399       }
 400       elseif (($nextGroup > $numMessages) && ($prevGroup >= 0)) {
 401          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 402          $More .= "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 403       }
 404       elseif (($nextGroup <= $numMessages) && ($prevGroup < 0)) {
 405          $More = "<FONT COLOR=\"$color[9]\">"._("Previous")."</FONT> | \n";
 406          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 407       }
 408
 409       if (! isset($msg))
 410           $msg = "";
 411       mail_message_listing_beginning($imapConnection,
 412          "move_messages.php?msg=$msg&mailbox=$urlMailbox&startMessage=$startMessage",
 413           $mailbox, $sort, $Message, $More, $startMessage);
 414
 415       $groupNum = $startMessage % ($show_num - 1);
 416       $real_startMessage = $startMessage;
 417       if ($sort == 6) {
 418          if ($endMessage - $startMessage < $show_num - 1) {
 419             $endMessage = $endMessage - $startMessage + 1;
 420             $startMessage = 1;
 421          } else if ($startMessage > $show_num) {
 422             $endMessage = $show_num;
 423             $startMessage = 1;
 424          }
 425       }
 426
 427       $endVar = $endMessage + 1;
 428
 429       // loop through and display the info for each message.
 430       $t = 0; // $t is used for the checkbox number
 431       if ($numMessages == 0) { // if there's no messages in this folder
 432          echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order);
 433          echo "><CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER></TD></TR>";
 434       } else if ($startMessage == $endMessage) { // if there's only one message in the box, handle it different.
 435          if ($sort != 6)
 436             $i = $startMessage;
 437          else
 438             $i = 1;
 439          reset($msort);
 440          $k = 0;
 441          do {
 442             $key = key($msort);
 443             next($msort);
 444             $k++;
 445          } while (isset ($key) && ($k < $i));
 446          printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 447       } else {
 448          $i = $startMessage;
 449
 450          reset($msort);
 451          $k = 0;
 452          do {
 453             $key = key($msort);
 454             next($msort);
 455             $k++;
 456          } while (isset ($key) && ($k < $i));
 457
 458          do {
 459             printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 460             $key = key($msort);
 461             $t++;
 462             $i++;
 463             next($msort);
 464          } while ($i && $i < $endVar);
 465       }
 466       echo '</TABLE>';
 467
 468       echo "</td></tr>\n";
 469
 470       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 471       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 472       echo "$More</td><td align=right>\n";
 473       if (!$startMessage) $startMessage=1;
 474       ShowSelectAllLink($startMessage, $sort);
 475
 476       echo '</td></tr></table>';
 477       echo '</td></tr>';
 478       echo '</table>'; /** End of message-list table */
 479
 480       do_hook('mailbox_index_after');
 481    }
 482
 483    /* Displays the standard message list header.
 484     * To finish the table, you need to do a "</table></table>";
 485     * $moveURL is the URL to submit the delete/move form to
 486     * $mailbox is the current mailbox
 487     * $sort is the current sorting method (-1 for no sorting available [searches])
 488     * $Message is a message that is centered on top of the list
 489     * $More is a second line that is left aligned
 490     */
 491    function mail_message_listing_beginning($imapConnection, $moveURL,
 492        $mailbox = '', $sort = -1, $Message = '', $More = '', $startMessage = 1)
 493    {
 494       global $color, $index_order, $auto_expunge, $move_to_trash;
 495       global $checkall, $sent_folder;
 496       $urlMailbox = urlencode($mailbox);
 497          /** This is the beginning of the message list table.  It wraps around all messages */
 498       echo '<TABLE WIDTH="100%" BORDER="0" CELLPADDING="2" CELLSPACING="0">';
 499
 500       if ($Message)
 501       {
 502          echo "<TR BGCOLOR=\"$color[4]\"><TD align=center>$Message</td></tr>\n";
 503       }
 504
 505       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 506       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 507       echo "$More</td><td align=right>\n";
 508       ShowSelectAllLink($startMessage, $sort);
 509
 510       echo '</td></tr></table>';
 511       echo '</td></tr>';
 512
 513       /** The delete and move options */
 514       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 515
 516       echo "\n\n\n<FORM name=messageList method=post action=\"$moveURL\">\n";
 517       echo "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=100%>\n";
 518       echo "   <TR>\n";
 519       echo "      <TD WIDTH=60% ALIGN=LEFT VALIGN=CENTER>\n";
 520
 521
 522       echo '         <NOBR><SMALL>'. _("Move selected to:") .'</SMALL>';
 523       echo '         <TT><SMALL><SELECT NAME="targetMailbox">';
 524
 525       $boxes = sqimap_mailbox_list($imapConnection);
 526       for ($i = 0; $i < count($boxes); $i++) {
 527          if (!in_array("noselect", $boxes[$i]['flags'])) {
 528             $box = $boxes[$i]['unformatted'];
 529             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['unformatted-disp']);
 530             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 531          }
 532       }
 533       echo '         </SELECT></SMALL></TT>';
 534       echo '         <SMALL><INPUT TYPE=SUBMIT NAME="moveButton" VALUE="'. _("Move") ."\"></SMALL></NOBR>\n";
 535       echo "      </TD>\n";
 536       echo "      <TD WIDTH=40% ALIGN=RIGHT>\n";
 537       if (! $auto_expunge) {
 538          echo '         <NOBR><SMALL><INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."</SMALL></NOBR>&nbsp;&nbsp;\n";
 539       }
 540       echo "         <NOBR><SMALL><INPUT TYPE=SUBMIT VALUE=\"". _("Delete") ."\">&nbsp;". _("checked messages") ."</SMALL></NOBR>\n";
 541       echo "      </TD>\n";
 542       echo "   </TR>\n";
 543
 544       echo "</TABLE>\n";
 545       do_hook('mailbox_form_before');
 546       echo '</TD></TR>';
 547
 548       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 549       echo "<TABLE WIDTH=100% BORDER=0 CELLPADDING=2 CELLSPACING=";
 550       if ($GLOBALS['alt_index_colors']) {
 551         echo "0";
 552       } else {
 553         echo "1";
 554       }
 555       echo " BGCOLOR=\"$color[0]\">";
 556       echo "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 557
 558       $urlMailbox=urlencode($mailbox);
 559
 560       $upPointer = '<IMG SRC="../images/up_pointer.gif" HEIGHT=10 WIDTH=12 BORDER=0>';
 561       $downPointer = '<IMG SRC="../images/down_pointer.gif" HEIGHT=10 WIDTH=12 BORDER=0>';
 562       $noPointer = '<IMG SRC="../images/sort_none" WIDTH=12 HEIGHT=10 BORDER=0>';
 563
 564       // Print the headers
 565       for ($i=1; $i <= count($index_order); $i++) {
 566          switch ($index_order[$i]) {
 567             case 1: # checkbox
 568             case 5: # flags
 569                echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 570                break;
 571
 572             case 2: # from
 573                if ($mailbox == $sent_folder)
 574                   echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 575                else
 576                     echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 577                ShowSortButton($sort, $urlMailbox, 2, 3);
 578                echo "</TD>\n";
 579                break;
 580
 581             case 3: # date
 582                echo '   <TD NOWRAP WIDTH="5%"><B>'. _("Date") .'</B>';
 583                ShowSortButton($sort, $urlMailbox, 0, 1);
 584                echo "</TD>\n";
 585                break;
 586
 587             case 4: # subject
 588                echo '   <TD><B>'. _("Subject") .'</B> ';
 589                ShowSortButton($sort, $urlMailbox, 4, 5);
 590                echo "</TD>\n";
 591                break;
 592
 593             case 6: # size
 594                echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 595                break;
 596          }
 597       }
 598       echo "</TR>\n";
 599    }
 600
 601    function ShowSortButton($sort, $mailbox, $Up, $Down) {
 602       if ($sort != $Up && $sort != $Down) {
 603          $img = 'sort_none.gif';
 604          $which = $Up;
 605       } elseif ($sort == $Up) {
 606          $img = 'up_pointer.gif';
 607          $which = $Down;
 608       } else {
 609          $img = 'down_pointer.gif';
 610          $which = 6;
 611       }
 612       echo ' <a href="right_main.php?newsort=' . $which .
 613          '&startMessage=1&mailbox=' . $mailbox . '"><IMG SRC="../images/' .
 614          $img . '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 615    }
 616
 617    function ShowSelectAllLink($startMessage, $sort)
 618    {
 619        global $checkall, $PHP_SELF, $what, $where, $mailbox;
 620
 621        echo "\n<A HREF=\"$PHP_SELF?mailbox=" . urlencode($mailbox) .
 622            "&startMessage=$startMessage&sort=$sort&";
 623        if ( isset($checkall) && $checkall == '1')
 624            echo "checkall=0";
 625        else
 626            echo "checkall=1";
 627        if (isset($where) && isset($what))
 628            echo "&where=" . urlencode($where) . "&what=" . urlencode($what);
 629        echo "\">";
 630        if (isset($checkall) && $checkall == '1')
 631            echo _("Unselect All");
 632        else
 633            echo _("Select All");
 634        echo "</A>\n";
 635    }
 636
 637    function processSubject($subject)
 638    {
 639       // Shouldn't ever happen -- caught too many times in the IMAP functions
 640       if ($subject == '')
 641           return _("(no subject)");
 642
 643       if (strlen($subject) <= 55)
 644           return $subject;
 645
 646       $ent_strlen=strlen($subject);
 647       $trim_val=50;
 648       $ent_offset=0;
 649       // see if this is entities-encoded string
 650       // If so, Iterate through the whole string, find out
 651       // the real number of characters, and if more
 652       // than 55, substr with an updated trim value.
 653       while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 654              ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 655       {
 656          $trim_val += ($ent_loc_end-$ent_loc)+1;
 657          $ent_strlen -= $ent_loc_end-$ent_loc;
 658          $ent_offset = $ent_loc_end+1;
 659       }
 660
 661       if ($ent_strlen <= 55)
 662           return $subject;
 663
 664       return substr($subject, 0, $trim_val) . '...';
 665    }
 666
 667 ?>