functions/mailbox_display.php

   1 <?php
   2    /**
   3     * mailbox_display.php
   4     *
   5     * Copyright (c) 1999-2001 The Squirrelmail Development Team
   6     * Licensed under the GNU GPL. For full terms see the file COPYING.
   7     *
   8     * This contains functions that display mailbox information, such as the
   9     * table row that has sender, date, subject, etc...
  10     *
  11     * $Id$
  12     */
  13
  14    if (defined('mailbox_display_php'))
  15        return;
  16    define('mailbox_display_php', true);
  17
  18    define('PG_SEL_MAX', 10);  /* Default value for page_selector_max. */
  19
  20    function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $start_msg, $where, $what) {
  21       global $checkall;
  22       global $color, $msgs, $msort;
  23       global $sent_folder, $draft_folder;
  24       global $default_use_priority;
  25       global $message_highlight_list;
  26       global $index_order;
  27
  28       $color_string = $color[4];
  29       if ($GLOBALS['alt_index_colors']) {
  30           if (!isset($GLOBALS["row_count"])) {
  31             $GLOBALS["row_count"] = 0;
  32           }
  33           $GLOBALS["row_count"]++;
  34           if ($GLOBALS["row_count"] % 2) {
  35           if (!isset($color[12])) $color[12] = '#EAEAEA';
  36             $color_string = $color[12];
  37           }
  38       }
  39       $msg = $msgs[$key];
  40
  41       $senderName = htmlentities(sqimap_find_displayable_name($msg['FROM']));
  42       if( $mailbox == _("None") ) {
  43          // $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  44          $boxes = sqimap_mailbox_list($imapConnection);
  45          // sqimap_logout($imapConnection);
  46          $mailbox = $boxes[0]['unformatted'];
  47          unset( $boxes );
  48       }
  49       $urlMailbox = urlencode($mailbox);
  50       $subject = processSubject($msg['SUBJECT']);
  51       echo "<TR>\n";
  52
  53       if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  54          $flag = "<font color=$color[2]>";
  55          $flag_end = '</font>';
  56       } else {
  57          $flag = '';
  58          $flag_end = '';
  59       }
  60       if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  61          $bold = '<b>';
  62          $bold_end = '</b>';
  63       } else {
  64          $bold = '';
  65          $bold_end = '';
  66       }
  67
  68       if (($mailbox == $sent_folder) || ($mailbox == $draft_folder)) {
  69          $italic = '<i>';
  70          $italic_end = '</i>';
  71       } else {
  72          $italic = '';
  73          $italic_end = '';
  74       }
  75
  76       if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
  77          $fontstr = "<font color=\"$color[9]\">";
  78          $fontstr_end = '</font>';
  79       } else {
  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 = $color_string;
 100       }
 101
 102       if ($where && $what) {
 103          $search_stuff = '&where='.urlencode($where).'&what='.urlencode($what);
 104       }
 105
 106       $checked = ($checkall == 1 ?' checked' : '');
 107
 108       for ($i=1; $i <= count($index_order); $i++) {
 109          switch ($index_order[$i]) {
 110             case 1: /* checkbox */
 111                echo "   <td bgcolor=$hlt_color align=center><input type=checkbox name=\"msg[$t]\" value=".$msg["ID"]."$checked></TD>\n";
 112                break;
 113             case 2: /* from */
 114                echo "   <td bgcolor=$hlt_color>$italic$bold$flag$fontstr$senderName$fontstr_end$flag_end$bold_end$italic_end</td>\n";
 115                break;
 116             case 3: /* date */
 117                echo "   <td nowrap bgcolor=$hlt_color><center>$bold$flag$fontstr".$msg["DATE_STRING"]."$fontstr_end$flag_end$bold_end</center></td>\n";
 118                break;
 119             case 4: /* subject */
 120                echo "   <td bgcolor=$hlt_color>$bold";
 121                    if (! isset($search_stuff)) { $search_stuff = ''; }
 122                echo "<a href=\"read_body.php?mailbox=$urlMailbox&passed_id=".$msg["ID"]."&startMessage=$start_msg&show_more=0$search_stuff\"";
 123                do_hook("subject_link");
 124
 125                if ($subject != $msg['SUBJECT']) {
 126                   $title = get_html_translation_table(HTML_SPECIALCHARS);
 127                   $title = array_flip($title);
 128                   $title = strtr($msg['SUBJECT'], $title);
 129                   $title = str_replace('"', "''", $title);
 130                   echo " title=\"$title\"";
 131                }
 132                echo ">$flag$subject$flag_end</a>$bold_end</td>\n";
 133                break;
 134             case 5: /* flags */
 135                $stuff = false;
 136                echo "   <td bgcolor=$hlt_color align=center nowrap><b><small>\n";
 137                if (isset($msg['FLAG_ANSWERED']) &&
 138                    $msg['FLAG_ANSWERED'] == true) {
 139                   echo "A\n";
 140                   $stuff = true;
 141                }
 142                if ($msg['TYPE0'] == 'multipart') {
 143                   echo "+\n";
 144                   $stuff = true;
 145                }
 146                if ($default_use_priority) {
 147                   if (ereg('(1|2)',substr($msg['PRIORITY'],0,1))) {
 148                      echo "<font color=$color[1]>!</font>\n";
 149                      $stuff = true;
 150                   }
 151                   if (ereg('(5)',substr($msg['PRIORITY'],0,1))) {
 152                      echo "<font color=$color[8]>?</font>\n";
 153                      $stuff = true;
 154                   }
 155                }
 156                if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 157                   echo "<font color=\"$color[1]\">D</font>\n";
 158                   $stuff = true;
 159                }
 160
 161                if (!$stuff) echo "&nbsp;\n";
 162                echo "</small></b></td>\n";
 163                break;
 164             case 6: /* size */
 165                echo "   <td bgcolor=$hlt_color>$bold$fontstr".show_readable_size($msg['SIZE'])."$fontstr_end$bold_end</td>\n";
 166                break;
 167          }
 168       }
 169       echo "</tr>\n";
 170    }
 171
 172    /**
 173     * This function loops through a group of messages in the mailbox
 174     * and shows them to the user.
 175     */
 176    function showMessagesForMailbox
 177         ($imapConnection, $mailbox, $num_msgs, $start_msg,
 178          $sort, $color,$show_num, $use_cache) {
 179       global $msgs, $msort;
 180       global $sent_folder, $draft_folder;
 181       global $message_highlight_list;
 182       global $auto_expunge;
 183
 184       /* If autoexpunge is turned on, then do it now. */
 185       if ($auto_expunge == true) {
 186           sqimap_mailbox_expunge($imapConnection, $mailbox, false);
 187       }
 188       sqimap_mailbox_select($imapConnection, $mailbox);
 189
 190       $issent = (($mailbox == $sent_folder) || ($mailbox == $draft_folder));
 191       if (!$use_cache) {
 192          /* If it is sorted... */
 193          if ($num_msgs >= 1) {
 194             if ($sort < 6) {
 195                $id = range(1, $num_msgs);
 196             } else {
 197                // if it's not sorted
 198                if ($start_msg + ($show_num - 1) < $num_msgs) {
 199                   $end_msg = $start_msg + ($show_num-1);
 200                } else {
 201                   $end_msg = $num_msgs;
 202                }
 203
 204                if ($end_msg < $start_msg) {
 205                   $start_msg = $start_msg - $show_num;
 206                   if ($start_msg < 1) {
 207                       $start_msg = 1;
 208                   }
 209                }
 210
 211                $real_startMessage = $num_msgs - $start_msg + 1;
 212                $real_endMessage = $num_msgs - $start_msg - $show_num + 2;
 213                if ($real_endMessage <= 0) {
 214                    $real_endMessage = 1;
 215                }
 216                $id = array_reverse(range($real_endMessage, $real_startMessage));
 217             }
 218
 219             $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 220             $flags = sqimap_get_flags_list($imapConnection, $id, $issent);
 221             foreach ($msgs_list as $hdr) {
 222                $from[] = $hdr->from;
 223                $date[] = $hdr->date;
 224                $subject[] = $hdr->subject;
 225                $to[] = $hdr->to;
 226                $priority[] = $hdr->priority;
 227                $cc[] = $hdr->cc;
 228                $size[] = $hdr->size;
 229                $type[] = $hdr->type0;
 230             }
 231          }
 232
 233          $j = 0;
 234          if ($sort == 6) {
 235              $end = $start_msg + $show_num - 1;
 236              if ($num_msgs < $show_num) {
 237                  $end_loop = $num_msgs;
 238              } else if ($end > $num_msgs) {
 239                  $end_loop = $num_msgs - $start_msg + 1;
 240              } else {
 241                  $end_loop = $show_num;
 242              }
 243          } else {
 244             $end = $num_msgs;
 245             $end_loop = $end;
 246          }
 247
 248          while ($j < $end_loop) {
 249             if (isset($date[$j])) {
 250                 $date[$j] = ereg_replace('  ', ' ', $date[$j]);
 251                 $tmpdate = explode(' ', trim($date[$j]));
 252             } else {
 253                 $tmpdate = $date = array("","","","","","");
 254             }
 255
 256             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 257             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 258             $messages[$j]['ID'] = $id[$j];
 259             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 260             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 261             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 262             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 263             $messages[$j]['TO'] = decodeHeader($to[$j]);
 264             $messages[$j]['PRIORITY'] = $priority[$j];
 265             $messages[$j]['CC'] = $cc[$j];
 266             $messages[$j]['SIZE'] = $size[$j];
 267             $messages[$j]['TYPE0'] = $type[$j];
 268
 269             # fix SUBJECT-SORT to remove Re:
 270             $re_abbr = # Add more here!
 271                'vedr|sv|' .    # Danish
 272                're|aw';        # English
 273
 274             if (eregi( "^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs))
 275                $messages[$j]['SUBJECT-SORT'] = $regs[2];
 276
 277             $num = 0;
 278             while ($num < count($flags[$j])) {
 279                if ($flags[$j][$num] == 'Deleted') {
 280                    $messages[$j]['FLAG_DELETED'] = true;
 281                } else if ($flags[$j][$num] == 'Answered') {
 282                    $messages[$j]['FLAG_ANSWERED'] = true;
 283                } else if ($flags[$j][$num] == 'Seen') {
 284                    $messages[$j]['FLAG_SEEN'] = true;
 285                } else if ($flags[$j][$num] == 'Flagged') {
 286                    $messages[$j]['FLAG_FLAGGED'] = true;
 287                }
 288                $num++;
 289             }
 290             $j++;
 291          }
 292
 293          /* Only ignore messages flagged as deleted if we are using a
 294           * trash folder or auto_expunge */
 295          if (((isset($move_to_trash) && $move_to_trash)
 296               || (isset($auto_expunge) && $auto_expunge)) && $sort != 6) {
 297
 298             /** Find and remove the ones that are deleted */
 299             $i = 0;
 300             $j = 0;
 301
 302             while ($j < $num_msgs) {
 303                if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 304                   $j++;
 305                   continue;
 306                }
 307                $msgs[$i] = $messages[$j];
 308
 309                $i++;
 310                $j++;
 311             }
 312             $num_msgs = $i;
 313          } else {
 314              if (!isset($messages)) {
 315                  $messages = array();
 316              }
 317              $msgs = $messages;
 318          }
 319       }
 320
 321       // There's gotta be messages in the array for it to sort them.
 322       if ($num_msgs > 0 && ! $use_cache) {
 323          /** 0 = Date (up)      4 = Subject (up)
 324           ** 1 = Date (dn)      5 = Subject (dn)
 325           ** 2 = Name (up)
 326           ** 3 = Name (dn)
 327           **/
 328          session_unregister("msgs");
 329          if (($sort == 0) || ($sort == 1))
 330             $msort = array_cleave ($msgs, 'TIME_STAMP');
 331          elseif (($sort == 2) || ($sort == 3))
 332             $msort = array_cleave ($msgs, 'FROM-SORT');
 333          elseif (($sort == 4) || ($sort == 5))
 334             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 335          else // ($sort == 6)
 336             $msort = $msgs;
 337
 338          if ($sort < 6) {
 339             if ($sort % 2) {
 340                asort($msort);
 341             } else {
 342                arsort($msort);
 343             }
 344          }
 345          session_register('msort');
 346       }
 347       displayMessageArray($imapConnection, $num_msgs, $start_msg, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 348       session_register('msgs');
 349    }
 350
 351    /******************************************************************/
 352    /* Generic function to convert the msgs array into an HTML table. */
 353    /******************************************************************/
 354    function displayMessageArray($imapConnection, $num_msgs, $start_msg, &$msgs, $msort, $mailbox, $sort, $color, $show_num) {
 355       global $folder_prefix, $sent_folder;
 356       global $imapServerAddress, $data_dir, $username, $use_mailbox_cache;
 357       global $index_order, $real_endMessage, $real_startMessage, $checkall;
 358
 359       /* If cache isn't already set, do it now. */
 360       if (!session_is_registered('msgs')) { session_register('msgs'); }
 361       if (!session_is_registered('msort')) { session_register('msort'); }
 362
 363       if ($start_msg + ($show_num - 1) < $num_msgs) {
 364          $end_msg = $start_msg + ($show_num-1);
 365       } else {
 366          $end_msg = $num_msgs;
 367       }
 368
 369       if ($end_msg < $start_msg) {
 370          $start_msg = $start_msg - $show_num;
 371          if ($start_msg < 1) { $start_msg = 1; }
 372       }
 373
 374       $urlMailbox = urlencode($mailbox);
 375
 376       do_hook('mailbox_index_before');
 377
 378       $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 379       $paginator_str = get_paginator_str($urlMailbox, $start_msg, $end_msg, $num_msgs, $show_num, $sort);
 380
 381       if (! isset($msg)) {
 382           $msg = '';
 383       }
 384
 385       mail_message_listing_beginning
 386          ($imapConnection,
 387          "move_messages.php?msg=$msg&mailbox=$urlMailbox&startMessage=$start_msg",
 388           $mailbox, $sort, $msg_cnt_str, $paginator_str, $start_msg);
 389
 390       $groupNum = $start_msg % ($show_num - 1);
 391       $real_startMessage = $start_msg;
 392       if ($sort == 6) {
 393          if ($end_msg - $start_msg < $show_num - 1) {
 394             $end_msg = $end_msg - $start_msg + 1;
 395             $start_msg = 1;
 396          } else if ($start_msg > $show_num) {
 397             $end_msg = $show_num;
 398             $start_msg = 1;
 399          }
 400       }
 401       $endVar = $end_msg + 1;
 402
 403       /* Loop through and display the info for each message. */
 404       $t = 0; // $t is used for the checkbox number
 405       if ($num_msgs == 0) { // if there's no messages in this folder
 406           echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order) . ">\n";
 407           echo "  <CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER>\n";
 408           echo "</TD></TR>";
 409       } else if ($start_msg == $end_msg) {
 410           /* If there's only one message in the box, handle it differently. */
 411           if ($sort != 6) {
 412               $i = $start_msg;
 413           } else {
 414               $i = 1;
 415           }
 416
 417           reset($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 = $start_msg;
 427
 428           reset($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 < $endVar);
 443       }
 444
 445       echo '</table>';
 446       echo "<table bgcolor=\"$color[9]\" width=100% border=0 cellpadding=1 cellspacing=1>" .
 447               "<tr BGCOLOR=\"$color[4]\">" .
 448                  "<table width=100% BGCOLOR=\"$color[4]\" border=0 cellpadding=1 cellspacing=0><tr><td>$paginator_str</td>".
 449                  "<td align=right>$msg_cnt_str</td></tr></table>".
 450               "</tr>".
 451            "</table>";
 452       /** End of message-list table */
 453
 454       do_hook('mailbox_index_after');
 455       echo "</TABLE></FORM>\n";
 456    }
 457
 458    /**
 459     * Displays the standard message list header. To finish the table,
 460     * you need to do a "</table></table>";
 461     *
 462     * $moveURL is the URL to submit the delete/move form to
 463     * $mailbox is the current mailbox
 464     * $sort is the current sorting method (-1 for no sorting available [searches])
 465     * $Message is a message that is centered on top of the list
 466     * $More is a second line that is left aligned
 467     */
 468    function mail_message_listing_beginning
 469         ($imapConnection, $moveURL, $mailbox = '', $sort = -1,
 470          $msg_cnt_str = '', $paginator = '', $start_msg = 1) {
 471       global $color, $index_order, $auto_expunge, $move_to_trash;
 472       global $checkall, $sent_folder, $draft_folder;
 473       $urlMailbox = urlencode($mailbox);
 474
 475       /****************************************************
 476        * This is the beginning of the message list table. *
 477        * It wraps around all messages                     *
 478        ****************************************************/
 479       echo "<TABLE WIDTH=\"100%\" BORDER=\"0\" CELLPADDING=\"1\" CELLSPACING=\"0\">\n";
 480
 481       echo "<TR BGCOLOR=\"$color[0]\"><TD>";
 482       echo "  <TABLE BGCOLOR=\"$color[4]\" width=\"100%\" CELLPADDING=\"2\" CELLSPACING=\"0\" BORDER=\"0\"><TR>\n";
 483       echo "    <TD ALIGN=LEFT>$paginator</TD>\n";
 484       echo '    <TD ALIGN=CENTER>' . get_selectall_link($start_msg, $sort) . "</TD>\n";
 485       echo "    <TD ALIGN=RIGHT>$msg_cnt_str</TD>\n";
 486       echo "  </TR></TABLE>\n";
 487       echo "</TD></TR>";
 488
 489       /** The delete and move options */
 490       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 491
 492       echo "\n<FORM name=messageList method=post action=\"$moveURL\">\n";
 493       echo "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=100%>\n";
 494
 495       echo "   <TR>\n" .
 496            "      <TD ALIGN=LEFT VALIGN=CENTER NOWRAP>\n" .
 497            '         <SMALL>&nbsp;' . _("Move selected to:") . "</SMALL>\n" .
 498            "      </TD>\n" .
 499            "      <TD ALIGN=RIGHT NOWRAP>\n" .
 500            '         <SMALL>&nbsp;' . _("Transform Selected Messages") . ": &nbsp; </SMALL><BR>\n" .
 501            "      </TD>\n" .
 502            "   </TR>\n" .
 503            "   <TR>\n" .
 504            "      <TD ALIGN=LEFT VALIGN=CENTER NOWRAP>\n" .
 505            '         <SMALL>&nbsp;<TT><SELECT NAME="targetMailbox">';
 506
 507       $boxes = sqimap_mailbox_list($imapConnection);
 508       for ($i = 0; $i < count($boxes); $i++) {
 509          if (!in_array("noselect", $boxes[$i]['flags'])) {
 510             $box = $boxes[$i]['unformatted'];
 511             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['formatted']);
 512             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 513          }
 514       }
 515       echo '         </SELECT></TT></SMALL>';
 516       echo "         <SMALL><INPUT TYPE=SUBMIT NAME=\"moveButton\" VALUE=\"" . _("Move") . "\"></SMALL>\n";
 517       echo "      </TD>\n";
 518       echo "      <TD ALIGN=RIGHT NOWRAP>&nbsp;&nbsp;&nbsp;\n";
 519       if (!$auto_expunge) {
 520          echo '         <INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."&nbsp;\n";
 521       }
 522       echo "         <INPUT TYPE=SUBMIT NAME=\"markRead\" VALUE=\"". _("Read")."\">\n";
 523       echo "         <INPUT TYPE=SUBMIT NAME=\"markUnread\" VALUE=\"". _("Unread")."\">\n";
 524       echo "         <INPUT TYPE=SUBMIT VALUE=\"". _("Delete") . "\">&nbsp;\n";
 525       echo "      </TD>\n";
 526       echo "   </TR>\n";
 527       echo "</TABLE>\n";
 528       do_hook('mailbox_form_before');
 529       echo '</TD></TR>';
 530
 531       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 532       echo "<TABLE WIDTH=100% BORDER=0 CELLPADDING=2 CELLSPACING=";
 533       if ($GLOBALS['alt_index_colors']) {
 534         echo "0";
 535       } else {
 536         echo "1";
 537       }
 538       echo " BGCOLOR=\"$color[0]\">";
 539       echo "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 540
 541       /* Print the headers. */
 542       for ($i=1; $i <= count($index_order); $i++) {
 543          switch ($index_order[$i]) {
 544             case 1: /* checkbox */
 545             case 5: /* flags */
 546                echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 547                break;
 548
 549             case 2: /* from */
 550                if (($mailbox == $sent_folder)
 551                      || ($mailbox == $draft_folder)) {
 552                   echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 553                } else {
 554                    echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 555                }
 556
 557            ShowSortButton($sort, $mailbox, 2, 3);
 558                echo "</TD>\n";
 559                break;
 560
 561             case 3: /* date */
 562                echo '   <TD NOWRAP WIDTH="5%"><B>'. _("Date") .'</B>';
 563                ShowSortButton($sort, $mailbox, 0, 1);
 564                echo "</TD>\n";
 565                break;
 566
 567             case 4: /* subject */
 568                echo '   <TD><B>'. _("Subject") .'</B> ';
 569                ShowSortButton($sort, $mailbox, 4, 5);
 570                echo "</TD>\n";
 571                break;
 572
 573             case 6: /* size */
 574                echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 575                break;
 576          }
 577       }
 578       echo "</TR>\n";
 579    }
 580
 581    /*******************************************************************/
 582    /* This function shows the sort button. Isn't this a good comment? */
 583    /*******************************************************************/
 584    function ShowSortButton($sort, $mailbox, $Up, $Down) {
 585       /* Figure out which image we want to use. */
 586       if ($sort != $Up && $sort != $Down) {
 587          $img = 'sort_none.gif';
 588          $which = $Up;
 589       } elseif ($sort == $Up) {
 590          $img = 'up_pointer.gif';
 591          $which = $Down;
 592       } else {
 593          $img = 'down_pointer.gif';
 594          $which = 6;
 595       }
 596
 597       /* Now that we have everything figured out, show the actual button. */
 598       echo ' <a href="right_main.php?newsort=' . $which .
 599            '&startMessage=1&mailbox=' . urlencode($mailbox) .
 600            '"><IMG SRC="../images/' . $img .
 601            '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 602    }
 603
 604    function get_selectall_link($start_msg, $sort) {
 605        global $checkall, $PHP_SELF, $what, $where, $mailbox;
 606
 607        $result =
 608             '&nbsp;<script language="JavaScript">' .
 609             "\n<!-- \n" .
 610             "function CheckAll() {\n" .
 611             "   for (var i = 0; i < document.messageList.elements.length; i++) {\n" .
 612             "       if( document.messageList.elements[i].type == 'checkbox' ) {\n" .
 613             "           document.messageList.elements[i].checked = !(document.messageList.elements[i].checked);\n".
 614             "       }\n" .
 615             "   }\n" .
 616             "}\n" .
 617             'window.document.write(\'<a href=# onClick="CheckAll();">' . _("Toggle All") . "</a>');\n" .
 618             "//-->\n" .
 619             "</script>\n<noscript>\n";
 620
 621        $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 622           .  "&startMessage=$start_msg&sort=$sort&checkall=";
 623        if (isset($checkall) && $checkall == '1') {
 624            $result .= '0';
 625        } else {
 626            $result .= '1';
 627        }
 628
 629        if (isset($where) && isset($what)) {
 630            $result .= '&where=' . urlencode($where) . '&what=' . urlencode($what);
 631        }
 632
 633        $result .= "\">";
 634
 635        if (isset($checkall) && ($checkall == '1')) {
 636            $result .= _("Unselect All");
 637        } else {
 638            $result .= _("Select All");
 639        }
 640
 641        $result .= "</A>\n</noscript>\n";
 642
 643        /* Return our final result. */
 644        return ($result);
 645    }
 646
 647     /**
 648      * This function computes the "Viewing Messages..." string.
 649      */
 650     function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 651         /* Compute the $msg_cnt_str. */
 652         $result = '';
 653         if ($start_msg < $end_msg) {
 654             $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"), $start_msg, $end_msg, $num_msgs);
 655         } else if ($start_msg == $end_msg) {
 656             $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 657         } else {
 658             $result = '<br>';
 659         }
 660
 661         /* Return our result string. */
 662         return ($result);
 663     }
 664
 665     /**
 666      * This function computes the paginator string.
 667      */
 668     function get_paginator_str
 669     ($urlMailbox, $start_msg, $end_msg, $num_msgs, $show_num, $sort) {
 670         global $username, $data_dir, $use_mailbox_cache;
 671
 672         $nextGroup = $start_msg + $show_num;
 673         $prevGroup = $start_msg - $show_num;
 674
 675         if ($sort == 6) {
 676             $use = 0;
 677         } else {
 678             $use = 1;
 679         }
 680         $lMore = '';
 681         $rMore = '';
 682         if (($nextGroup <= $num_msgs) && ($prevGroup >= 0)) {
 683             $lMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") . '</A>';
 684             $rMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 685         } else if (($nextGroup > $num_msgs) && ($prevGroup >= 0)) {
 686             $lMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") . '</A>';
 687             $rMore = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 688         } else if (($nextGroup <= $num_msgs) && ($prevGroup < 0)) {
 689             $lMore = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
 690             $rMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 691         }
 692         if ($lMore <> '') {
 693             $lMore .= ' | ';
 694         }
 695
 696         /* Page selector block. Following code computes page links. */
 697         $mMore = '';
 698         if (!getPref($data_dir, $username, 'page_selector')
 699                && ($num_msgs > $show_num)) {
 700             $j = intval( $num_msgs / $show_num );  // Max pages
 701             $k = max( 1, $j / getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX ) );
 702             if ($num_msgs % $show_num <> 0 ) {
 703                 $j++;
 704             }
 705             $start_msgs = min( $start_msgs, $num_msgs );
 706             $p = intval( $start_msg / $show_num ) + 1;
 707             $i = 1;
 708             while( $i < $p ) {
 709                 $pg = intval( $i );
 710                 $start = ( ($pg-1) * $show_num ) + 1;
 711                 $mMore .= "<a href=\"right_main.php?use_mailbox_cache=$use_mailbox_cache&startMessage=$start" .
 712                           "&mailbox=$urlMailbox\" TARGET=\"right\">$pg</a>&nbsp;";
 713                 $i += $k;
 714             }
 715             $mMore .= "<B>$p</B>&nbsp;";
 716             $i += $k;
 717             while( $i <= $j ) {
 718                $pg = intval( $i );
 719                $start = ( ($pg-1) * $show_num ) + 1;
 720                $mMore .= "<a href=\"right_main.php?use_mailbox_cache=$use_mailbox_cache&startMessage=$start"
 721                        . "&mailbox=$urlMailbox\" TARGET=\"right\">$pg</a>&nbsp;";
 722                $i+=$k;
 723             }
 724             $mMore .= '&nbsp;|&nbsp;';
 725         }
 726
 727         /* Return the resulting string. */
 728         return ($lMore . $mMore . $rMore);
 729     }
 730
 731    function processSubject($subject) {
 732       // Shouldn't ever happen -- caught too many times in the IMAP functions
 733       if ($subject == '')
 734           return _("(no subject)");
 735
 736       if (strlen($subject) <= 55)
 737           return $subject;
 738
 739       $ent_strlen=strlen($subject);
 740       $trim_val=50;
 741       $ent_offset=0;
 742       // see if this is entities-encoded string
 743       // If so, Iterate through the whole string, find out
 744       // the real number of characters, and if more
 745       // than 55, substr with an updated trim value.
 746       while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 747              ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 748       {
 749      $trim_val += ($ent_loc_end-$ent_loc)+1;
 750      $ent_strlen -= $ent_loc_end-$ent_loc;
 751      $ent_offset = $ent_loc_end+1;
 752       }
 753
 754       if ($ent_strlen <= 55)
 755           return $subject;
 756
 757       return substr($subject, 0, $trim_val) . '...';
 758    }
 759
 760 ?>