functions/mailbox_display.php

   1 <?php
   2
   3    /**
   4     *   mailbox_display.php
   5     *
   6     *   Copyright (c) 1999-2001 The Squirrelmail Development 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    define('PG_SEL_MAX', 10);  /* Default value for page_selector_max. */
  16
  17    function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $start_msg, $where, $what) {
  18       global $checkall;
  19       global $color, $msgs, $msort;
  20       global $sent_folder, $draft_folder;
  21       global $default_use_priority;
  22       global $message_highlight_list;
  23       global $index_order;
  24
  25       $color_string = $color[4];
  26       if ($GLOBALS['alt_index_colors']) {
  27           if (!isset($GLOBALS["row_count"])) {
  28             $GLOBALS["row_count"] = 0;
  29           }
  30           $GLOBALS["row_count"]++;
  31           if ($GLOBALS["row_count"] % 2) {
  32           if (!isset($color[12])) $color[12] = '#EAEAEA';
  33             $color_string = $color[12];
  34           }
  35       }
  36       $msg = $msgs[$key];
  37
  38       $senderName = htmlspecialchars(sqimap_find_displayable_name($msg['FROM']));
  39       if( $mailbox == 'None' ) {
  40          // $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  41          $boxes = sqimap_mailbox_list($imapConnection);
  42          // sqimap_logout($imapConnection);
  43          $mailbox = $boxes[0]['unformatted'];
  44          unset( $boxes );
  45       }
  46       $urlMailbox = urlencode($mailbox);
  47       $subject = processSubject($msg['SUBJECT']);
  48       echo "<TR>\n";
  49
  50       if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  51          $flag = "<font color=$color[2]>";
  52          $flag_end = '</font>';
  53       } else {
  54          $flag = '';
  55          $flag_end = '';
  56       }
  57       if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  58          $bold = '<b>';
  59          $bold_end = '</b>';
  60       } else {
  61          $bold = '';
  62          $bold_end = '';
  63       }
  64
  65       if (($mailbox == $sent_folder) || ($mailbox == $draft_folder)) {
  66          $italic = '<i>';
  67          $italic_end = '</i>';
  68       } else {
  69          $italic = '';
  70          $italic_end = '';
  71       }
  72
  73       if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
  74          $fontstr = "<font color=\"$color[9]\">";
  75          $fontstr_end = '</font>';
  76       } else {
  77          $fontstr = '';
  78          $fontstr_end = '';
  79       }
  80
  81       for ($i=0; $i < count($message_highlight_list); $i++) {
  82          if (trim($message_highlight_list[$i]['value']) != '') {
  83             if ($message_highlight_list[$i]['match_type'] == 'to_cc') {
  84                if (strpos('^^'.strtolower($msg['TO']), strtolower($message_highlight_list[$i]['value'])) || strpos('^^'.strtolower($msg['CC']), strtolower($message_highlight_list[$i]['value']))) {
  85                   $hlt_color = $message_highlight_list[$i]['color'];
  86                   continue;
  87                }
  88             } else if (strpos('^^'.strtolower($msg[strtoupper($message_highlight_list[$i]['match_type'])]),strtolower($message_highlight_list[$i]['value']))) {
  89                $hlt_color = $message_highlight_list[$i]['color'];
  90                continue;
  91             }
  92          }
  93       }
  94
  95       if (!isset($hlt_color)) {
  96           $hlt_color = $color_string;
  97       }
  98
  99       if ($where && $what) {
 100          $search_stuff = '&where='.urlencode($where).'&what='.urlencode($what);
 101       }
 102
 103       $checked = ($checkall == 1 ?' checked' : '');
 104
 105       for ($i=1; $i <= count($index_order); $i++) {
 106          switch ($index_order[$i]) {
 107             case 1: /* checkbox */
 108                echo "   <td bgcolor=$hlt_color align=center><input type=checkbox name=\"msg[$t]\" value=".$msg["ID"]."$checked></TD>\n";
 109                break;
 110             case 2: /* from */
 111                echo "   <td bgcolor=$hlt_color>$italic$bold$flag$fontstr$senderName$fontstr_end$flag_end$bold_end$italic_end</td>\n";
 112                break;
 113             case 3: /* date */
 114                echo "   <td nowrap bgcolor=$hlt_color><center>$bold$flag$fontstr".$msg["DATE_STRING"]."$fontstr_end$flag_end$bold_end</center></td>\n";
 115                break;
 116             case 4: /* subject */
 117                echo "   <td bgcolor=$hlt_color>$bold";
 118                    if (! isset($search_stuff)) { $search_stuff = ''; }
 119                echo "<a href=\"read_body.php?mailbox=$urlMailbox&passed_id=".$msg["ID"]."&startMessage=$start_msg&show_more=0$search_stuff\"";
 120                do_hook("subject_link");
 121
 122                if ($subject != $msg['SUBJECT']) {
 123                   $title = get_html_translation_table(HTML_SPECIALCHARS);
 124                   $title = array_flip($title);
 125                   $title = strtr($msg['SUBJECT'], $title);
 126                   $title = str_replace('"', "''", $title);
 127                   echo " title=\"$title\"";
 128                }
 129                echo ">$flag$subject$flag_end</a>$bold_end</td>\n";
 130                break;
 131             case 5: /* flags */
 132                $stuff = false;
 133                echo "   <td bgcolor=$hlt_color align=center nowrap><b><small>\n";
 134                if (isset($msg['FLAG_ANSWERED']) &&
 135                    $msg['FLAG_ANSWERED'] == true) {
 136                   echo "A\n";
 137                   $stuff = true;
 138                }
 139                if ($msg['TYPE0'] == 'multipart') {
 140                   echo "+\n";
 141                   $stuff = true;
 142                }
 143                if ($default_use_priority) {
 144                   if (ereg('(1|2)',substr($msg['PRIORITY'],0,1))) {
 145                      echo "<font color=$color[1]>!</font>\n";
 146                      $stuff = true;
 147                   }
 148                   if (ereg('(5)',substr($msg['PRIORITY'],0,1))) {
 149                      echo "<font color=$color[8]>?</font>\n";
 150                      $stuff = true;
 151                   }
 152                }
 153                if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 154                   echo "<font color=\"$color[1]\">D</font>\n";
 155                   $stuff = true;
 156                }
 157
 158                if (!$stuff) echo "&nbsp;\n";
 159                echo "</small></b></td>\n";
 160                break;
 161             case 6: /* size */
 162                echo "   <td bgcolor=$hlt_color>$bold$fontstr".show_readable_size($msg['SIZE'])."$fontstr_end$bold_end</td>\n";
 163                break;
 164          }
 165       }
 166       echo "</tr>\n";
 167    }
 168
 169    /**
 170     * This function loops through a group of messages in the mailbox
 171     * and shows them to the user.
 172     */
 173    function showMessagesForMailbox
 174         ($imapConnection, $mailbox, $num_msgs, $start_msg,
 175          $sort, $color,$show_num, $use_cache) {
 176       global $msgs, $msort;
 177       global $sent_folder, $draft_folder;
 178       global $message_highlight_list;
 179       global $auto_expunge;
 180
 181       /* If autoexpunge is turned on, then do it now. */
 182       if ($auto_expunge == true) {
 183           sqimap_mailbox_expunge($imapConnection, $mailbox, false);
 184       }
 185       sqimap_mailbox_select($imapConnection, $mailbox);
 186
 187       $issent = (($mailbox == $sent_folder) || ($mailbox == $draft_folder));
 188       if (!$use_cache) {
 189          /* If it is sorted... */
 190          if ($num_msgs >= 1) {
 191             if ($sort < 6) {
 192                $id = range(1, $num_msgs);
 193             } else {
 194                // if it's not sorted
 195                if ($start_msg + ($show_num - 1) < $num_msgs) {
 196                   $end_msg = $start_msg + ($show_num-1);
 197                } else {
 198                   $end_msg = $num_msgs;
 199                }
 200
 201                if ($end_msg < $start_msg) {
 202                   $start_msg = $start_msg - $show_num;
 203                   if ($start_msg < 1) {
 204                       $start_msg = 1;
 205                   }
 206                }
 207
 208                $real_startMessage = $num_msgs - $start_msg + 1;
 209                $real_endMessage = $num_msgs - $start_msg - $show_num + 2;
 210                if ($real_endMessage <= 0) {
 211                    $real_endMessage = 1;
 212                }
 213                $id = array_reverse(range($real_endMessage, $real_startMessage));
 214             }
 215
 216             $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 217             $flags = sqimap_get_flags_list($imapConnection, $id, $issent);
 218             foreach ($msgs_list as $hdr) {
 219                $from[] = $hdr->from;
 220                $date[] = $hdr->date;
 221                $subject[] = $hdr->subject;
 222                $to[] = $hdr->to;
 223                $priority[] = $hdr->priority;
 224                $cc[] = $hdr->cc;
 225                $size[] = $hdr->size;
 226                $type[] = $hdr->type0;
 227             }
 228          }
 229
 230          $j = 0;
 231          if ($sort == 6) {
 232              $end = $start_msg + $show_num - 1;
 233              if ($num_msgs < $show_num) {
 234                  $end_loop = $num_msgs;
 235              } else if ($end > $num_msgs) {
 236                  $end_loop = $num_msgs - $start_msg + 1;
 237              } else {
 238                  $end_loop = $show_num;
 239              }
 240          } else {
 241             $end = $num_msgs;
 242             $end_loop = $end;
 243          }
 244
 245          while ($j < $end_loop) {
 246             if (isset($date[$j])) {
 247                 $date[$j] = ereg_replace('  ', ' ', $date[$j]);
 248                 $tmpdate = explode(' ', trim($date[$j]));
 249             } else {
 250                 $tmpdate = $date = array("","","","","","");
 251             }
 252
 253             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 254             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 255             $messages[$j]['ID'] = $id[$j];
 256             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 257             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 258             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 259             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 260             $messages[$j]['TO'] = decodeHeader($to[$j]);
 261             $messages[$j]['PRIORITY'] = $priority[$j];
 262             $messages[$j]['CC'] = $cc[$j];
 263             $messages[$j]['SIZE'] = $size[$j];
 264             $messages[$j]['TYPE0'] = $type[$j];
 265
 266             # fix SUBJECT-SORT to remove Re:
 267             $re_abbr = # Add more here!
 268                'vedr|sv|' .    # Danish
 269                're|aw';        # English
 270
 271             if (eregi( "^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs))
 272                $messages[$j]['SUBJECT-SORT'] = $regs[2];
 273
 274             $num = 0;
 275             while ($num < count($flags[$j])) {
 276                if ($flags[$j][$num] == 'Deleted') {
 277                    $messages[$j]['FLAG_DELETED'] = true;
 278                } else if ($flags[$j][$num] == 'Answered') {
 279                    $messages[$j]['FLAG_ANSWERED'] = true;
 280                } else if ($flags[$j][$num] == 'Seen') {
 281                    $messages[$j]['FLAG_SEEN'] = true;
 282                } else if ($flags[$j][$num] == 'Flagged') {
 283                    $messages[$j]['FLAG_FLAGGED'] = true;
 284                }
 285                $num++;
 286             }
 287             $j++;
 288          }
 289
 290          /* Only ignore messages flagged as deleted if we are using a
 291           * trash folder or auto_expunge */
 292          if (((isset($move_to_trash) && $move_to_trash)
 293               || (isset($auto_expunge) && $auto_expunge)) && $sort != 6) {
 294
 295             /** Find and remove the ones that are deleted */
 296             $i = 0;
 297             $j = 0;
 298
 299             while ($j < $num_msgs) {
 300                if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 301                   $j++;
 302                   continue;
 303                }
 304                $msgs[$i] = $messages[$j];
 305
 306                $i++;
 307                $j++;
 308             }
 309             $num_msgs = $i;
 310          } else {
 311              if (!isset($messages)) {
 312                  $messages = array();
 313              }
 314              $msgs = $messages;
 315          }
 316       }
 317
 318       // There's gotta be messages in the array for it to sort them.
 319       if ($num_msgs > 0 && ! $use_cache) {
 320          /** 0 = Date (up)      4 = Subject (up)
 321           ** 1 = Date (dn)      5 = Subject (dn)
 322           ** 2 = Name (up)
 323           ** 3 = Name (dn)
 324           **/
 325          session_unregister("msgs");
 326          if (($sort == 0) || ($sort == 1))
 327             $msort = array_cleave ($msgs, 'TIME_STAMP');
 328          elseif (($sort == 2) || ($sort == 3))
 329             $msort = array_cleave ($msgs, 'FROM-SORT');
 330          elseif (($sort == 4) || ($sort == 5))
 331             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 332          else // ($sort == 6)
 333             $msort = $msgs;
 334
 335          if ($sort < 6) {
 336             if ($sort % 2) {
 337                asort($msort);
 338             } else {
 339                arsort($msort);
 340             }
 341          }
 342          session_register('msort');
 343       }
 344       displayMessageArray($imapConnection, $num_msgs, $start_msg, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 345       session_register('msgs');
 346    }
 347
 348    /******************************************************************/
 349    /* Generic function to convert the msgs array into an HTML table. */
 350    /******************************************************************/
 351    function displayMessageArray($imapConnection, $num_msgs, $start_msg, &$msgs, $msort, $mailbox, $sort, $color, $show_num) {
 352       global $folder_prefix, $sent_folder;
 353       global $imapServerAddress, $data_dir, $username, $use_mailbox_cache;
 354       global $index_order, $real_endMessage, $real_startMessage, $checkall;
 355
 356       /* If cache isn't already set, do it now. */
 357       if (!session_is_registered('msgs')) { session_register('msgs'); }
 358       if (!session_is_registered('msort')) { session_register('msort'); }
 359
 360       if ($start_msg + ($show_num - 1) < $num_msgs) {
 361          $end_msg = $start_msg + ($show_num-1);
 362       } else {
 363          $end_msg = $num_msgs;
 364       }
 365
 366       if ($end_msg < $start_msg) {
 367          $start_msg = $start_msg - $show_num;
 368          if ($start_msg < 1) { $start_msg = 1; }
 369       }
 370
 371       $urlMailbox = urlencode($mailbox);
 372
 373       do_hook('mailbox_index_before');
 374
 375       $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 376       $paginator_str = get_paginator_str($urlMailbox, $start_msg, $end_msg, $num_msgs, $show_num, $sort);
 377
 378       if (! isset($msg)) {
 379           $msg = '';
 380       }
 381
 382       mail_message_listing_beginning
 383          ($imapConnection,
 384          "move_messages.php?msg=$msg&mailbox=$urlMailbox&startMessage=$start_msg",
 385           $mailbox, $sort, $msg_cnt_str, $paginator_str, $start_msg);
 386
 387       $groupNum = $start_msg % ($show_num - 1);
 388       $real_startMessage = $start_msg;
 389       if ($sort == 6) {
 390          if ($end_msg - $start_msg < $show_num - 1) {
 391             $end_msg = $end_msg - $start_msg + 1;
 392             $start_msg = 1;
 393          } else if ($start_msg > $show_num) {
 394             $end_msg = $show_num;
 395             $start_msg = 1;
 396          }
 397       }
 398       $endVar = $end_msg + 1;
 399
 400       /* Loop through and display the info for each message. */
 401       $t = 0; // $t is used for the checkbox number
 402       if ($num_msgs == 0) { // if there's no messages in this folder
 403           echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order) . ">\n".
 404                "  <CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER>\n".
 405                "</TD></TR>";
 406       } else if ($start_msg == $end_msg) {
 407           /* If there's only one message in the box, handle it differently. */
 408           if ($sort != 6) {
 409               $i = $start_msg;
 410           } else {
 411               $i = 1;
 412           }
 413
 414           reset($msort);
 415           $k = 0;
 416           do {
 417               $key = key($msort);
 418               next($msort);
 419               $k++;
 420           } while (isset ($key) && ($k < $i));
 421           printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 422       } else {
 423           $i = $start_msg;
 424
 425           reset($msort);
 426           $k = 0;
 427           do {
 428               $key = key($msort);
 429               next($msort);
 430               $k++;
 431           } while (isset ($key) && ($k < $i));
 432
 433           do {
 434               printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 435               $key = key($msort);
 436               $t++;
 437               $i++;
 438               next($msort);
 439           } while ($i && $i < $endVar);
 440       }
 441
 442       echo '</table>'.
 443            "<table bgcolor=\"$color[9]\" width=100% border=0 cellpadding=1 cellspacing=1>" .
 444               "<tr BGCOLOR=\"$color[4]\">" .
 445                  "<table width=100% BGCOLOR=\"$color[4]\" border=0 cellpadding=1 cellspacing=0><tr><td>$paginator_str</td>".
 446                  "<td align=right>$msg_cnt_str</td></tr></table>".
 447               "</tr>".
 448            "</table>";
 449       /** End of message-list table */
 450
 451       do_hook('mailbox_index_after');
 452       echo "</TABLE></FORM>\n";
 453    }
 454
 455    /**
 456     * Displays the standard message list header. To finish the table,
 457     * you need to do a "</table></table>";
 458     *
 459     * $moveURL is the URL to submit the delete/move form to
 460     * $mailbox is the current mailbox
 461     * $sort is the current sorting method (-1 for no sorting available [searches])
 462     * $Message is a message that is centered on top of the list
 463     * $More is a second line that is left aligned
 464     */
 465    function mail_message_listing_beginning
 466         ($imapConnection, $moveURL, $mailbox = '', $sort = -1,
 467          $msg_cnt_str = '', $paginator = '&nbsp;', $start_msg = 1) {
 468       global $color, $index_order, $auto_expunge, $move_to_trash;
 469       global $checkall, $sent_folder, $draft_folder;
 470       $urlMailbox = urlencode($mailbox);
 471
 472       /****************************************************
 473        * This is the beginning of the message list table. *
 474        * It wraps around all messages                     *
 475        ****************************************************/
 476       echo "<TABLE WIDTH=\"100%\" BORDER=\"0\" CELLPADDING=\"1\" CELLSPACING=\"0\">\n".
 477            "<TR BGCOLOR=\"$color[0]\"><TD>".
 478              "<TABLE BGCOLOR=\"$color[4]\" width=\"100%\" CELLPADDING=\"2\" CELLSPACING=\"0\" BORDER=\"0\"><TR>\n".
 479            "    <TD ALIGN=LEFT>$paginator</TD>\n".
 480            '    <TD ALIGN=CENTER>' . get_selectall_link($start_msg, $sort) . "</TD>\n".
 481            "    <TD ALIGN=RIGHT>$msg_cnt_str</TD>\n".
 482            "  </TR></TABLE>\n".
 483            '</TD></TR>'.
 484            "<TR><TD BGCOLOR=\"$color[0]\">\n".
 485            "<FORM name=messageList method=post action=\"$moveURL\">\n".
 486            "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=\"100%\">\n".
 487            "   <TR>\n" .
 488            "      <TD ALIGN=LEFT VALIGN=CENTER NOWRAP>\n" .
 489            '         <SMALL>&nbsp;' . _("Move selected to:") . "</SMALL>\n" .
 490            "      </TD>\n" .
 491            "      <TD ALIGN=RIGHT NOWRAP>\n" .
 492            '         <SMALL>&nbsp;' . _("Transform Selected Messages") . ": &nbsp; </SMALL><BR>\n" .
 493            "      </TD>\n" .
 494            "   </TR>\n" .
 495            "   <TR>\n" .
 496            "      <TD ALIGN=LEFT VALIGN=CENTER NOWRAP>\n" .
 497            '         <SMALL>&nbsp;<TT><SELECT NAME="targetMailbox">';
 498
 499       $boxes = sqimap_mailbox_list($imapConnection);
 500       for ($i = 0; $i < count($boxes); $i++) {
 501          if (!in_array("noselect", $boxes[$i]['flags'])) {
 502             $box = $boxes[$i]['unformatted'];
 503             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['unformatted-disp']);
 504             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 505          }
 506       }
 507       echo '         </SELECT></TT></SMALL>'.
 508                     "<SMALL><INPUT TYPE=SUBMIT NAME=\"moveButton\" VALUE=\"" . _("Move") . "\"></SMALL>\n".
 509            "      </TD>\n".
 510            "      <TD ALIGN=RIGHT NOWRAP>&nbsp;&nbsp;&nbsp;\n";
 511       if (!$auto_expunge) {
 512          echo '         <INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."&nbsp;\n";
 513       }
 514       echo "         <INPUT TYPE=SUBMIT NAME=\"markRead\" VALUE=\"". _("Read")."\">\n".
 515            "         <INPUT TYPE=SUBMIT NAME=\"markUnread\" VALUE=\"". _("Unread")."\">\n".
 516            "         <INPUT TYPE=SUBMIT VALUE=\"". _("Delete") . "\">&nbsp;\n".
 517            "      </TD>\n".
 518            "   </TR>\n".
 519            "</TABLE>\n";
 520       do_hook('mailbox_form_before');
 521       echo '</TD></TR>'.
 522
 523            "<TR><TD BGCOLOR=\"$color[0]\">".
 524            "<TABLE WIDTH=100% BORDER=0 CELLPADDING=2 CELLSPACING=";
 525       if ($GLOBALS['alt_index_colors']) {
 526         echo "0";
 527       } else {
 528         echo "1";
 529       }
 530       echo " BGCOLOR=\"$color[0]\">".
 531            "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 532
 533       /* Print the headers. */
 534       for ($i=1; $i <= count($index_order); $i++) {
 535          switch ($index_order[$i]) {
 536             case 1: /* checkbox */
 537             case 5: /* flags */
 538                echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 539                break;
 540
 541             case 2: /* from */
 542                if (($mailbox == $sent_folder)
 543                      || ($mailbox == $draft_folder)) {
 544                   echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 545                } else {
 546                    echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 547                }
 548
 549                ShowSortButton($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, $mailbox, 4, 5);
 562                echo "</TD>\n";
 563                break;
 564
 565             case 6: /* size */
 566                echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 567                break;
 568          }
 569       }
 570       echo "</TR>\n";
 571    }
 572
 573    /*******************************************************************/
 574    /* This function shows the sort button. Isn't this a good comment? */
 575    /*******************************************************************/
 576    function ShowSortButton($sort, $mailbox, $Up, $Down) {
 577       /* Figure out which image we want to use. */
 578       if ($sort != $Up && $sort != $Down) {
 579          $img = 'sort_none.gif';
 580          $which = $Up;
 581       } elseif ($sort == $Up) {
 582          $img = 'up_pointer.gif';
 583          $which = $Down;
 584       } else {
 585          $img = 'down_pointer.gif';
 586          $which = 6;
 587       }
 588
 589       /* Now that we have everything figured out, show the actual button. */
 590       echo ' <a href="right_main.php?newsort=' . $which .
 591            '&startMessage=1&mailbox=' . urlencode($mailbox) .
 592            '"><IMG SRC="../images/' . $img .
 593            '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 594    }
 595
 596    function get_selectall_link($start_msg, $sort) {
 597        global $checkall, $PHP_SELF, $what, $where, $mailbox;
 598
 599        $result =
 600             '&nbsp;<script language="JavaScript">' .
 601             "\n<!-- \n" .
 602             "function CheckAll() {\n" .
 603             "   for (var i = 0; i < document.messageList.elements.length; i++) {\n" .
 604             "       if( document.messageList.elements[i].type == 'checkbox' ) {\n" .
 605             "           document.messageList.elements[i].checked = !(document.messageList.elements[i].checked);\n".
 606             "       }\n" .
 607             "   }\n" .
 608             "}\n" .
 609             'window.document.write(\'<a href=# onClick="CheckAll();">' . _("Toggle All") . "</a>');\n" .
 610             "//-->\n" .
 611             "</script>\n<noscript>\n";
 612
 613        $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 614           .  "&startMessage=$start_msg&sort=$sort&checkall=";
 615        if (isset($checkall) && $checkall == '1') {
 616            $result .= '0';
 617        } else {
 618            $result .= '1';
 619        }
 620
 621        if (isset($where) && isset($what)) {
 622            $result .= '&where=' . urlencode($where) . '&what=' . urlencode($what);
 623        }
 624
 625        $result .= "\">";
 626
 627        if (isset($checkall) && ($checkall == '1')) {
 628            $result .= _("Unselect All");
 629        } else {
 630            $result .= _("Select All");
 631        }
 632
 633        $result .= "</A>\n</noscript>\n";
 634
 635        /* Return our final result. */
 636        return ($result);
 637    }
 638
 639     /**
 640      * This function computes the "Viewing Messages..." string.
 641      */
 642     function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 643         /* Compute the $msg_cnt_str. */
 644         $result = '';
 645         if ($start_msg < $end_msg) {
 646             $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"), $start_msg, $end_msg, $num_msgs);
 647         } else if ($start_msg == $end_msg) {
 648             $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 649         } else {
 650             $result = '<br>';
 651         }
 652
 653         /* Return our result string. */
 654         return ($result);
 655     }
 656
 657     /**
 658      * This function computes the paginator string.
 659      */
 660     function get_paginator_str
 661     ($urlMailbox, $start_msg, $end_msg, $num_msgs, $show_num, $sort) {
 662         global $username, $data_dir, $use_mailbox_cache, $color;
 663
 664         $nextGroup = $start_msg + $show_num;
 665         $prevGroup = $start_msg - $show_num;
 666
 667         if ($sort == 6) {
 668             $use = 0;
 669         } else {
 670             $use = 1;
 671         }
 672         $lMore = '';
 673         $rMore = '';
 674         if (($nextGroup <= $num_msgs) && ($prevGroup >= 0)) {
 675             $lMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") . '</A>';
 676             $rMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 677         } else if (($nextGroup > $num_msgs) && ($prevGroup >= 0)) {
 678             $lMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") . '</A>';
 679             $rMore = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 680         } else if (($nextGroup <= $num_msgs) && ($prevGroup < 0)) {
 681             $lMore = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
 682             $rMore = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 683         }
 684         if ($lMore <> '') {
 685             $lMore .= '&nbsp;|&nbsp;';
 686         }
 687
 688         /* Page selector block. Following code computes page links. */
 689         $mMore = '';
 690         if (getPref($data_dir, $username, 'page_selector')
 691                && ($num_msgs > $show_num)) {
 692             $j = intval( $num_msgs / $show_num );  // Max pages
 693             $k = max( 1, $j / getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX ) );
 694             if ($num_msgs % $show_num <> 0 ) {
 695                 $j++;
 696             }
 697             $start_msg = min( $start_msg, $num_msgs );
 698             $p = intval( $start_msg / $show_num ) + 1;
 699             $i = 1;
 700             while( $i < $p ) {
 701                 $pg = intval( $i );
 702                 $start = ( ($pg-1) * $show_num ) + 1;
 703                 $mMore .= "<a href=\"right_main.php?use_mailbox_cache=$use_mailbox_cache&startMessage=$start" .
 704                           "&mailbox=$urlMailbox\" TARGET=\"right\">$pg</a>&nbsp;";
 705                 $i += $k;
 706             }
 707             $mMore .= "<B>$p</B>&nbsp;";
 708             $i += $k;
 709             while( $i <= $j ) {
 710                $pg = intval( $i );
 711                $start = ( ($pg-1) * $show_num ) + 1;
 712                $mMore .= "<a href=\"right_main.php?use_mailbox_cache=$use_mailbox_cache&startMessage=$start"
 713                        . "&mailbox=$urlMailbox\" TARGET=\"right\">$pg</a>&nbsp;";
 714                $i+=$k;
 715             }
 716             $mMore .= '&nbsp;|&nbsp;';
 717         }
 718
 719         /* Return the resulting string. */
 720         if( $lMore . $mMore . $rMore == '' ) {
 721             $lMore = '&nbsp;';
 722         }
 723         return ($lMore . $mMore . $rMore);
 724     }
 725
 726    function processSubject($subject) {
 727       // Shouldn't ever happen -- caught too many times in the IMAP functions
 728       if ($subject == '')
 729           return _("(no subject)");
 730
 731       if (strlen($subject) <= 55)
 732           return $subject;
 733
 734       $ent_strlen=strlen($subject);
 735       $trim_val=50;
 736       $ent_offset=0;
 737       // see if this is entities-encoded string
 738       // If so, Iterate through the whole string, find out
 739       // the real number of characters, and if more
 740       // than 55, substr with an updated trim value.
 741       while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 742              ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 743       {
 744      $trim_val += ($ent_loc_end-$ent_loc)+1;
 745      $ent_strlen -= $ent_loc_end-$ent_loc;
 746      $ent_offset = $ent_loc_end+1;
 747       }
 748
 749       if ($ent_strlen <= 55)
 750           return $subject;
 751
 752       return substr($subject, 0, $trim_val) . '...';
 753    }
 754
 755 ?>