functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This contains functions that display mailbox information, such as the
  10  * table row that has sender, date, subject, etc...
  11  *
  12  * $Id$
  13  */
  14
  15 require_once('../functions/strings.php');
  16
  17 define('PG_SEL_MAX', 10);  /* Default value for page_selector_max. */
  18
  19 function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $start_msg, $where, $what) {
  20     global $checkall,
  21            $color, $msgs, $msort,
  22            $sent_folder, $draft_folder,
  23            $default_use_priority,
  24            $message_highlight_list,
  25            $index_order,
  26            $pos;            /* Search postion (if any)  */
  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])) {
  36                 $color[12] = '#EAEAEA';
  37             }
  38             $color_string = $color[12];
  39         }
  40     }
  41     $msg = $msgs[$key];
  42
  43     /**
  44      * This is done in case you're looking into Sent folders,
  45      * because you can have multi receiver.
  46      */
  47     $sendersName = split(',', $msg['FROM']);
  48     $senderName = '';
  49     for ($index = 0 ; $index < count($sendersName) ; $index++) {
  50         if ($senderName != '') {
  51             $senderName .= ', ';
  52         }
  53         $senderName .= sqimap_find_displayable_name($sendersName[$index]);
  54     }
  55
  56     if( $mailbox == 'None' ) {
  57         // $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  58         $boxes = sqimap_mailbox_list($imapConnection);
  59         // sqimap_logout($imapConnection);
  60         $mailbox = $boxes[0]['unformatted'];
  61         unset( $boxes );
  62     }
  63     $urlMailbox = urlencode($mailbox);
  64     $subject = processSubject($msg['SUBJECT']);
  65     echo "<TR>\n";
  66
  67     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  68         $flag = "<font color=\"$color[2]\">";
  69         $flag_end = '</font>';
  70     } else {
  71         $flag = '';
  72         $flag_end = '';
  73     }
  74     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  75         $bold = '<b>';
  76         $bold_end = '</b>';
  77     } else {
  78         $bold = '';
  79         $bold_end = '';
  80     }
  81
  82     if (handleAsSent($mailbox)) {
  83         $italic = '<i>';
  84         $italic_end = '</i>';
  85     } else {
  86         $italic = '';
  87         $italic_end = '';
  88     }
  89
  90     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
  91         $fontstr = "<font color=\"$color[9]\">";
  92         $fontstr_end = '</font>';
  93     } else {
  94         $fontstr = '';
  95         $fontstr_end = '';
  96     }
  97
  98     for ($i=0; $i < count($message_highlight_list); $i++) {
  99         if (trim($message_highlight_list[$i]['value']) != '') {
 100             if ($message_highlight_list[$i]['match_type'] == 'to_cc') {
 101             if (strpos('^^'.strtolower($msg['TO']), strtolower($message_highlight_list[$i]['value'])) || strpos('^^'.strtolower($msg['CC']), strtolower($message_highlight_list[$i]['value']))) {
 102                 $hlt_color = $message_highlight_list[$i]['color'];
 103                 continue;
 104             }
 105             } else if (strpos('^^'.strtolower($msg[strtoupper($message_highlight_list[$i]['match_type'])]),strtolower($message_highlight_list[$i]['value']))) {
 106             $hlt_color = $message_highlight_list[$i]['color'];
 107             continue;
 108             }
 109         }
 110     }
 111
 112     if (!isset($hlt_color)) {
 113         $hlt_color = $color_string;
 114     }
 115
 116     if ($where && $what) {
 117         if( !isset( $pos ) || $pos == '' ) {
 118             $pos = '0';
 119         }
 120         $search_stuff = "&amp;pos=" . urlencode( $pos ) . "&amp;where=".urlencode($where).'&amp;what='.urlencode($what);
 121     }
 122
 123     $checked = ($checkall == 1 ?' checked' : '');
 124
 125     for ($i=1; $i <= count($index_order); $i++) {
 126         switch ($index_order[$i]) {
 127         case 1: /* checkbox */
 128             echo "   <td bgcolor=\"$hlt_color\" align=center><input type=checkbox name=\"msg[$t]\" value=".$msg["ID"]."$checked></TD>\n";
 129             break;
 130         case 2: /* from */
 131             echo "   <td bgcolor=\"$hlt_color\">$italic$bold$flag$fontstr$senderName$fontstr_end$flag_end$bold_end$italic_end</td>\n";
 132             break;
 133         case 3: /* date */
 134             echo "   <td nowrap bgcolor=\"$hlt_color\"><center>$bold$flag$fontstr".$msg["DATE_STRING"]."$fontstr_end$flag_end$bold_end</center></td>\n";
 135             break;
 136         case 4: /* subject */
 137             echo "   <td bgcolor=\"$hlt_color\">$bold";
 138                 if (! isset($search_stuff)) { $search_stuff = ''; }
 139             echo "<a href=\"read_body.php?mailbox=$urlMailbox&amp;passed_id=".$msg["ID"]."&amp;startMessage=$start_msg&amp;show_more=0$search_stuff\"";
 140             do_hook("subject_link");
 141
 142             if ($subject != $msg['SUBJECT']) {
 143                 $title = get_html_translation_table(HTML_SPECIALCHARS);
 144                 $title = array_flip($title);
 145                 $title = strtr($msg['SUBJECT'], $title);
 146                 $title = str_replace('"', "''", $title);
 147                 echo " title=\"$title\"";
 148             }
 149             echo ">$flag$subject$flag_end</a>$bold_end</td>\n";
 150             break;
 151         case 5: /* flags */
 152             $stuff = false;
 153             echo "   <td bgcolor=\"$hlt_color\" align=center nowrap><b><small>\n";
 154             if (isset($msg['FLAG_ANSWERED']) &&
 155                 $msg['FLAG_ANSWERED'] == true) {
 156                 echo _("A") . "\n";
 157                 $stuff = true;
 158             }
 159             if ($msg['TYPE0'] == 'multipart') {
 160                 echo "+\n";
 161                 $stuff = true;
 162             }
 163             if ($default_use_priority) {
 164                 if (ereg('(1|2)',substr($msg['PRIORITY'],0,1))) {
 165                     echo "<font color=\"$color[1]\">!</font>\n";
 166                     $stuff = true;
 167                 }
 168                 if (ereg('(5)',substr($msg['PRIORITY'],0,1))) {
 169                     echo "<font color=\"$color[8]\">?</font>\n";
 170                     $stuff = true;
 171                 }
 172             }
 173             if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 174                 echo "<font color=\"$color[1]\">D</font>\n";
 175                 $stuff = true;
 176             }
 177
 178             if (!$stuff) {
 179                 echo "&nbsp;\n";
 180             }
 181             echo "</small></b></td>\n";
 182             break;
 183         case 6: /* size */
 184             echo "   <td bgcolor=\"$hlt_color\">$bold$fontstr" .
 185                  show_readable_size($msg['SIZE']) .
 186                  "$fontstr_end$bold_end</td>\n";
 187             break;
 188         }
 189     }
 190     echo "</tr>\n";
 191 }
 192
 193 /**
 194  * This function loops through a group of messages in the mailbox
 195  * and shows them to the user.
 196  */
 197 function showMessagesForMailbox
 198 ($imapConnection, $mailbox, $num_msgs, $start_msg, $sort,
 199  $color, $show_num, $use_cache) {
 200     global $msgs, $msort;
 201     global $sent_folder, $draft_folder;
 202     global $message_highlight_list;
 203     global $auto_expunge;
 204
 205     /* If autoexpunge is turned on, then do it now. */
 206     if ($auto_expunge == true) {
 207         sqimap_mailbox_expunge($imapConnection, $mailbox, false);
 208     }
 209     sqimap_mailbox_select($imapConnection, $mailbox);
 210
 211     $issent = handleAsSent($mailbox);
 212     if (!$use_cache) {
 213         /* If it is sorted... */
 214         if ($num_msgs >= 1) {
 215             if ($sort < 6) {
 216                 $id = range(1, $num_msgs);
 217             } else {
 218                 // if it's not sorted
 219                 if ($start_msg + ($show_num - 1) < $num_msgs) {
 220                     $end_msg = $start_msg + ($show_num-1);
 221                 } else {
 222                     $end_msg = $num_msgs;
 223                 }
 224
 225                 if ($end_msg < $start_msg) {
 226                     $start_msg = $start_msg - $show_num;
 227                     if ($start_msg < 1) {
 228                         $start_msg = 1;
 229                     }
 230                 }
 231
 232                 $real_startMessage = $num_msgs - $start_msg + 1;
 233                 $real_endMessage = $num_msgs - $start_msg - $show_num + 2;
 234                 if ($real_endMessage <= 0) {
 235                     $real_endMessage = 1;
 236                 }
 237                 $id = array_reverse(range($real_endMessage, $real_startMessage));
 238             }
 239
 240             $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 241             $flags = sqimap_get_flags_list($imapConnection, $id, $issent);
 242             foreach ($msgs_list as $hdr) {
 243             $from[] = $hdr->from;
 244             $date[] = $hdr->date;
 245             $subject[] = $hdr->subject;
 246             $to[] = $hdr->to;
 247             $priority[] = $hdr->priority;
 248             $cc[] = $hdr->cc;
 249             $size[] = $hdr->size;
 250             $type[] = $hdr->type0;
 251             }
 252         }
 253
 254         $j = 0;
 255         if ($sort == 6) {
 256             $end = $start_msg + $show_num - 1;
 257             if ($num_msgs < $show_num) {
 258                 $end_loop = $num_msgs;
 259             } else if ($end > $num_msgs) {
 260                 $end_loop = $num_msgs - $start_msg + 1;
 261             } else {
 262                 $end_loop = $show_num;
 263             }
 264         } else {
 265             $end = $num_msgs;
 266             $end_loop = $end;
 267         }
 268
 269         while ($j < $end_loop) {
 270             if (isset($date[$j])) {
 271                 $date[$j] = str_replace('  ', ' ', $date[$j]);
 272                 $tmpdate = explode(' ', trim($date[$j]));
 273             } else {
 274                 $tmpdate = $date = array('', '', '', '', '', '');
 275             }
 276
 277             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 278             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 279             $messages[$j]['ID'] = $id[$j];
 280             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 281             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 282             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 283             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 284             $messages[$j]['TO'] = decodeHeader($to[$j]);
 285             $messages[$j]['PRIORITY'] = $priority[$j];
 286             $messages[$j]['CC'] = $cc[$j];
 287             $messages[$j]['SIZE'] = $size[$j];
 288             $messages[$j]['TYPE0'] = $type[$j];
 289
 290             # fix SUBJECT-SORT to remove Re:
 291             $re_abbr =                  /* Add more here! */
 292                         'vedr|sv|' .    /* Danish         */
 293                         're|aw';        /* English        */
 294
 295             if (eregi( "^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs)) {
 296                 $messages[$j]['SUBJECT-SORT'] = $regs[2];
 297             }
 298
 299             $num = 0;
 300             while ($num < count($flags[$j])) {
 301             if ($flags[$j][$num] == 'Deleted') {
 302                 $messages[$j]['FLAG_DELETED'] = true;
 303             } else if ($flags[$j][$num] == 'Answered') {
 304                 $messages[$j]['FLAG_ANSWERED'] = true;
 305             } else if ($flags[$j][$num] == 'Seen') {
 306                 $messages[$j]['FLAG_SEEN'] = true;
 307             } else if ($flags[$j][$num] == 'Flagged') {
 308                 $messages[$j]['FLAG_FLAGGED'] = true;
 309             }
 310             $num++;
 311             }
 312             $j++;
 313         }
 314
 315         /* Only ignore messages flagged as deleted if we are using a
 316         * trash folder or auto_expunge */
 317         if (((isset($move_to_trash) && $move_to_trash)
 318             || (isset($auto_expunge) && $auto_expunge)) && $sort != 6) {
 319
 320             /** Find and remove the ones that are deleted */
 321             $i = 0;
 322             $j = 0;
 323
 324             while ($j < $num_msgs) {
 325             if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 326                 $j++;
 327                 continue;
 328             }
 329             $msgs[$i] = $messages[$j];
 330
 331             $i++;
 332             $j++;
 333             }
 334             $num_msgs = $i;
 335         } else {
 336             if (!isset($messages)) {
 337                 $messages = array();
 338             }
 339             $msgs = $messages;
 340         }
 341     }
 342
 343     // There's gotta be messages in the array for it to sort them.
 344     if ($num_msgs > 0 && ! $use_cache) {
 345         /** 0 = Date (up)      4 = Subject (up)
 346         ** 1 = Date (dn)      5 = Subject (dn)
 347         ** 2 = Name (up)
 348         ** 3 = Name (dn)
 349         **/
 350         session_unregister("msgs");
 351         if (($sort == 0) || ($sort == 1))
 352             $msort = array_cleave ($msgs, 'TIME_STAMP');
 353         elseif (($sort == 2) || ($sort == 3))
 354             $msort = array_cleave ($msgs, 'FROM-SORT');
 355         elseif (($sort == 4) || ($sort == 5))
 356             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 357         else // ($sort == 6)
 358             $msort = $msgs;
 359
 360         if ($sort < 6) {
 361             if ($sort % 2) {
 362             asort($msort);
 363             } else {
 364             arsort($msort);
 365             }
 366         }
 367         session_register('msort');
 368     }
 369     displayMessageArray($imapConnection, $num_msgs, $start_msg, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 370     session_register('msgs');
 371 }
 372
 373 /**
 374  * Generic function to convert the msgs array into an HTML table.
 375  */
 376 function displayMessageArray($imapConnection, $num_msgs, $start_msg, &$msgs, $msort, $mailbox, $sort, $color, $show_num) {
 377     global $folder_prefix, $sent_folder;
 378     global $imapServerAddress, $data_dir, $username, $use_mailbox_cache;
 379     global $index_order, $real_endMessage, $real_startMessage, $checkall;
 380
 381     /* If cache isn't already set, do it now. */
 382     if (!session_is_registered('msgs')) { session_register('msgs'); }
 383     if (!session_is_registered('msort')) { session_register('msort'); }
 384
 385     if ($start_msg + ($show_num - 1) < $num_msgs) {
 386         $end_msg = $start_msg + ($show_num-1);
 387     } else {
 388         $end_msg = $num_msgs;
 389     }
 390
 391     if ($end_msg < $start_msg) {
 392         $start_msg = $start_msg - $show_num;
 393         if ($start_msg < 1) { $start_msg = 1; }
 394     }
 395
 396     $urlMailbox = urlencode($mailbox);
 397
 398     do_hook('mailbox_index_before');
 399
 400     $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 401     $paginator_str = get_paginator_str
 402         ($urlMailbox, $start_msg, $end_msg, $num_msgs, $show_num, $sort);
 403
 404     if (! isset($msg)) {
 405         $msg = '';
 406     }
 407
 408     mail_message_listing_beginning( $imapConnection,
 409         "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox&amp;startMessage=$start_msg",
 410         $mailbox, $sort, $msg_cnt_str, $paginator_str, $start_msg);
 411
 412     $groupNum = $start_msg % ($show_num - 1);
 413     $real_startMessage = $start_msg;
 414     if ($sort == 6) {
 415         if ($end_msg - $start_msg < $show_num - 1) {
 416             $end_msg = $end_msg - $start_msg + 1;
 417             $start_msg = 1;
 418         } else if ($start_msg > $show_num) {
 419             $end_msg = $show_num;
 420             $start_msg = 1;
 421         }
 422     }
 423     $endVar = $end_msg + 1;
 424
 425     /* Loop through and display the info for each message. */
 426     $t = 0; // $t is used for the checkbox number
 427     if ($num_msgs == 0) { // if there's no messages in this folder
 428         echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order) . ">\n".
 429             "  <CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER>\n".
 430             "</TD></TR>";
 431     } elseif ($start_msg == $end_msg) {
 432         /* If there's only one message in the box, handle it differently. */
 433         if ($sort != 6) {
 434             $i = $start_msg;
 435         } else {
 436             $i = 1;
 437         }
 438
 439         reset($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 = $start_msg;
 449
 450         reset($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 < $endVar);
 465     }
 466
 467     echo '</table>'.
 468         "<table bgcolor=\"$color[9]\" width=\"100%\" border=0 cellpadding=1 cellspacing=1>" .
 469             "<tr BGCOLOR=\"$color[4]\"><td>" .
 470                 "<table width=\"100%\" BGCOLOR=\"$color[4]\" border=0 cellpadding=1 cellspacing=0><tr><td>$paginator_str</td>".
 471                 "<td align=right>$msg_cnt_str</td></tr></table>".
 472             "</td></tr>".
 473         "</table>";
 474     /** End of message-list table */
 475
 476     do_hook('mailbox_index_after');
 477     echo "</TABLE></FORM>\n";
 478 }
 479
 480 /**
 481  * Displays the standard message list header. To finish the table,
 482  * you need to do a "</table></table>";
 483  *
 484  * $moveURL is the URL to submit the delete/move form to
 485  * $mailbox is the current mailbox
 486  * $sort is the current sorting method (-1 for no sorting available [searches])
 487  * $Message is a message that is centered on top of the list
 488  * $More is a second line that is left aligned
 489  */
 490 function mail_message_listing_beginning
 491         ($imapConnection, $moveURL, $mailbox = '', $sort = -1,
 492         $msg_cnt_str = '', $paginator = '&nbsp;', $start_msg = 1) {
 493     global $color, $index_order, $auto_expunge, $move_to_trash;
 494     global $checkall, $sent_folder, $draft_folder;
 495     $urlMailbox = urlencode($mailbox);
 496
 497     /*
 498     * This is the beginning of the message list table.
 499     * It wraps around all messages
 500     */
 501     echo "<FORM name=messageList method=post action=\"$moveURL\">\n"
 502        . "<TABLE WIDTH=\"100%\" BORDER=\"0\" CELLPADDING=\"1\" CELLSPACING=\"0\">\n"
 503        . "<TR BGCOLOR=\"$color[0]\"><TD>"
 504        . "    <TABLE BGCOLOR=\"$color[4]\" width=\"100%\" CELLPADDING=\"2\" CELLSPACING=\"0\" BORDER=\"0\"><TR>\n"
 505        . "    <TD ALIGN=LEFT>$paginator</TD>\n"
 506        . "    <TD ALIGN=RIGHT>$msg_cnt_str</TD>\n"
 507        . "  </TR></TABLE>\n"
 508        . '</TD></TR>'
 509        . "<TR><TD BGCOLOR=\"$color[0]\">\n"
 510        . "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=\"100%\">\n"
 511        . "   <TR>\n"
 512        . "      <TD ALIGN=LEFT VALIGN=MIDDLE NOWRAP>\n"
 513        . '         <SMALL>&nbsp;' . _("Move Selected To:") . "</SMALL>\n"
 514        . "      </TD>\n"
 515        . "      <TD ALIGN=RIGHT NOWRAP>\n"
 516        . '         <SMALL>&nbsp;' . _("Transform Selected Messages") . ": &nbsp; </SMALL><BR>\n"
 517        . "      </TD>\n"
 518        . "   </TR>\n"
 519        . "   <TR>\n"
 520        . "      <TD ALIGN=LEFT VALIGN=MIDDLE NOWRAP>\n"
 521        . '         <SMALL>&nbsp;<TT><SELECT NAME="targetMailbox">';
 522
 523     $boxes = sqimap_mailbox_list($imapConnection);
 524     for ($i = 0; $i < count($boxes); $i++) {
 525         if (!in_array('noselect', $boxes[$i]['flags'])) {
 526             $box = $boxes[$i]['unformatted'];
 527             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['unformatted-disp']);
 528             if( $box2 == 'INBOX' ) {
 529                 $box2 = _("INBOX");
 530             }
 531             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 532         }
 533     }
 534     echo '         </SELECT></TT>&nbsp;'.
 535          "<INPUT TYPE=SUBMIT NAME=\"moveButton\" VALUE=\"" . _("Move") . "\"></SMALL>\n".
 536          "      </TD>\n".
 537          "      <TD ALIGN=RIGHT NOWRAP>&nbsp;&nbsp;&nbsp;\n";
 538     if (!$auto_expunge) {
 539         echo '         <INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."&nbsp;\n";
 540     }
 541     echo "         <INPUT TYPE=SUBMIT NAME=\"markRead\" VALUE=\"". _("Read")."\">\n".
 542          "         <INPUT TYPE=SUBMIT NAME=\"markUnread\" VALUE=\"". _("Unread")."\">\n".
 543          "         <INPUT TYPE=SUBMIT VALUE=\"". _("Delete") . "\">&nbsp;\n".
 544          "      </TD>\n".
 545          "   </TR>\n".
 546          "</TABLE>\n";
 547     do_hook('mailbox_form_before');
 548     echo '</TD></TR>'.
 549
 550         "<TR><TD BGCOLOR=\"$color[0]\">".
 551         '<TABLE WIDTH="100%" BORDER=0 CELLPADDING=2 CELLSPACING=';
 552     if ($GLOBALS['alt_index_colors']) {
 553         echo '0';
 554     } else {
 555         echo '1';
 556     }
 557     echo " BGCOLOR=\"$color[0]\">".
 558         "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 559
 560     /* Print the headers. */
 561     for ($i=1; $i <= count($index_order); $i++) {
 562         switch ($index_order[$i]) {
 563         case 1: /* checkbox */
 564         case 5: /* flags */
 565             echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 566             break;
 567
 568         case 2: /* from */
 569             if (handleAsSent($mailbox)) {
 570                 echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 571             } else {
 572                 echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 573             }
 574
 575             ShowSortButton($sort, $mailbox, 2, 3);
 576             echo "</TD>\n";
 577             break;
 578
 579         case 3: /* date */
 580             echo '   <TD NOWRAP WIDTH="5%"><B>'. _("Date") .'</B>';
 581             ShowSortButton($sort, $mailbox, 0, 1);
 582             echo "</TD>\n";
 583             break;
 584
 585         case 4: /* subject */
 586             echo '   <TD><B>'. _("Subject") .'</B> ';
 587             ShowSortButton($sort, $mailbox, 4, 5);
 588             echo "</TD>\n";
 589             break;
 590
 591         case 6: /* size */
 592             echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 593             break;
 594         }
 595     }
 596     echo "</TR>\n";
 597 }
 598
 599 /*
 600  * This function shows the sort button. Isn't this a good comment?
 601  */
 602 function ShowSortButton($sort, $mailbox, $Up, $Down) {
 603     /* Figure out which image we want to use. */
 604     if ($sort != $Up && $sort != $Down) {
 605         $img = 'sort_none.png';
 606         $which = $Up;
 607     } elseif ($sort == $Up) {
 608         $img = 'up_pointer.png';
 609         $which = $Down;
 610     } else {
 611         $img = 'down_pointer.png';
 612         $which = 6;
 613     }
 614
 615     /* Now that we have everything figured out, show the actual button. */
 616     echo ' <a href="right_main.php?newsort=' . $which .
 617         '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox) .
 618         '"><IMG SRC="../images/' . $img .
 619         '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 620 }
 621
 622 function get_selectall_link($start_msg, $sort) {
 623     global $checkall, $what, $where, $mailbox, $javascript_on;
 624     global $PHP_SELF, $PG_SHOWNUM;
 625
 626     $result = '';
 627     if ($javascript_on) {
 628         $result =
 629             '<script language="JavaScript" type="text/javascript">' .
 630             "\n<!-- \n" .
 631             "function CheckAll() {\n" .
 632             "   for (var i = 0; i < document.messageList.elements.length; i++) {\n" .
 633             "       if( document.messageList.elements[i].type == 'checkbox' ) {\n" .
 634             "           document.messageList.elements[i].checked = !(document.messageList.elements[i].checked);\n".
 635             "       }\n" .
 636             "   }\n" .
 637             "}\n" .
 638             "//-->\n" .
 639             '</script><a href="#" onClick="CheckAll();">' . _("Toggle All") . "</a>\n";
 640     } else {
 641         if (strpos($PHP_SELF, "?")) {
 642             $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 643                     . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 644         }
 645                 else {
 646             $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 647                     . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 648         }
 649         if (isset($checkall) && $checkall == '1') {
 650             $result .= '0';
 651         } else {
 652             $result .= '1';
 653         }
 654
 655         if (isset($where) && isset($what)) {
 656             $result .= '&amp;where=' . urlencode($where)
 657                     . '&amp;what=' . urlencode($what);
 658         }
 659
 660         if ($PG_SHOWNUM == 999999) {
 661             $result .= '&amp;PG_SHOWNUM=999999';
 662         }
 663
 664         $result .= "\">";
 665
 666         if (isset($checkall) && ($checkall == '1')) {
 667             $result .= _("Unselect All");
 668         } else {
 669             $result .= _("Select All");
 670         }
 671
 672         $result .= "</A>\n";
 673     }
 674
 675     /* Return our final result. */
 676     return ($result);
 677 }
 678
 679 /**
 680 * This function computes the "Viewing Messages..." string.
 681 */
 682 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 683     /* Compute the $msg_cnt_str. */
 684     $result = '';
 685     if ($start_msg < $end_msg) {
 686         $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"), $start_msg, $end_msg, $num_msgs);
 687     } else if ($start_msg == $end_msg) {
 688         $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 689     } else {
 690         $result = '<br>';
 691     }
 692
 693     /* Return our result string. */
 694     return ($result);
 695 }
 696
 697 /**
 698  * Generate a paginator link.
 699  */
 700 function get_paginator_link
 701 ($box, $start_msg, $use, $text) {
 702     $result = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 703             . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 704             . "TARGET=\"right\">$text</A>";
 705     return ($result);
 706 }
 707
 708 /**
 709  * This function computes the paginator string.
 710  */
 711 function get_paginator_str
 712 ($box, $start_msg, $end_msg, $num_msgs, $show_num, $sort) {
 713     global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 714
 715     /* Initialize paginator string chunks. */
 716     $prv_str = '';
 717     $nxt_str = '';
 718     $pg_str = '';
 719     $all_str = '';
 720     $tgl_str = '';
 721
 722     /* Create simple strings that will be creating the paginator. */
 723     $spc = '&nbsp;';     /* This will be used as a space. */
 724     $sep = '|';          /* This will be used as a seperator. */
 725
 726     /* Get some paginator preference values. */
 727     $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
 728     $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
 729
 730     /* Make sure that our start message number is not too big. */
 731     $start_msg = min($start_msg, $num_msgs);
 732
 733     /* Decide whether or not we will use the mailbox cache. */
 734     /* Not sure why $use_mailbox_cache is even passed in.   */
 735     if ($sort == 6) {
 736         $use = 0;
 737     } else {
 738         $use = 1;
 739     }
 740
 741     /* Compute the starting message of the previous and next page group. */
 742     $next_grp = $start_msg + $show_num;
 743     $prev_grp = $start_msg - $show_num;
 744
 745     /* Compute the basic previous and next strings. */
 746     if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
 747         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
 748         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
 749     } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
 750         $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
 751         $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 752     } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
 753         $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
 754         $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
 755     }
 756
 757     /* Page selector block. Following code computes page links. */
 758     if ($pg_sel && ($num_msgs > $show_num)) {
 759         /* Most importantly, what is the current page!!! */
 760         $cur_pg = intval($start_msg / $show_num) + 1;
 761
 762         /* Compute total # of pages and # of paginator page links. */
 763         $tot_pgs = ceil($num_msgs / $show_num);  /* Total # of Pages */
 764         $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
 765
 766         /************************************************************/
 767         /* Compute the size of the four quarters of the page links. */
 768         /************************************************************/
 769
 770         /* If we can, just show all the pages. */
 771         if (($tot_pgs - 1) <= $pg_max) {
 772             $q1_pgs = $cur_pg - 1;
 773             $q2_pgs = $q3_pgs = 0;
 774             $q4_pgs = $tot_pgs - $cur_pg;
 775
 776         /* Otherwise, compute some magic to choose the four quarters. */
 777         } else {
 778             /* Compute the magic base values. Added together,  */
 779             /* these values will always equal to the $pag_pgs. */
 780             /* NOTE: These are DEFAULT values and do not take  */
 781             /* the current page into account. That is below.   */
 782             $q1_pgs = floor($vis_pgs/4);
 783             $q2_pgs = round($vis_pgs/4, 0);
 784             $q3_pgs = ceil($vis_pgs/4);
 785             $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
 786
 787             /* Adjust if the first quarter contains the current page. */
 788             if (($cur_pg - $q1_pgs) < 1) {
 789                 $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
 790                 $q1_pgs = $cur_pg - 1;
 791                 $q2_pgs = 0;
 792                 $q3_pgs += ceil($extra_pgs / 2);
 793                 $q4_pgs += floor($extra_pgs / 2);
 794
 795             /* Adjust if the first and second quarters intersect. */
 796             } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
 797                 $extra_pgs = $q2_pgs;
 798                 $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
 799                 $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
 800                 $q3_pgs += ceil($extra_pgs / 2);
 801                 $q4_pgs += floor($extra_pgs / 2);
 802
 803             /* Adjust if the fourth quarter contains the current page. */
 804             } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
 805                 $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
 806                 $q3_pgs = 0;
 807                 $q4_pgs = $tot_pgs - $cur_pg;
 808                 $q1_pgs += floor($extra_pgs / 2);
 809                 $q2_pgs += ceil($extra_pgs / 2);
 810
 811             /* Adjust if the third and fourth quarter intersect. */
 812             } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
 813                 $extra_pgs = $q3_pgs;
 814                 $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
 815                 $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
 816                 $q1_pgs += floor($extra_pgs / 2);
 817                 $q2_pgs += ceil($extra_pgs / 2);
 818             }
 819         }
 820
 821         /* I am leaving this debug code here, commented out, because    */
 822         /* it is a really nice way to see what the above code is doing. */
 823         /* echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "             */
 824         /*    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';       */
 825
 826         /************************************************************/
 827         /* Print out the page links from the compute page quarters. */
 828         /************************************************************/
 829
 830         /* Start with the first quarter. */
 831         if (($q1_pgs == 0) && ($cur_pg > 1)) {
 832             $pg_str .= "...$spc";
 833         } else {
 834             for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
 835                 $start = (($pg-1) * $show_num) + 1;
 836                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
 837             }
 838             if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
 839                 $pg_str .= "...$spc";
 840             }
 841         }
 842
 843         /* Continue with the second quarter. */
 844         for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
 845             $start = (($pg-1) * $show_num) + 1;
 846             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
 847         }
 848
 849         /* Now print the current page. */
 850         $pg_str .= $cur_pg . $spc;
 851
 852         /* Next comes the third quarter. */
 853         for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
 854             $start = (($pg-1) * $show_num) + 1;
 855             $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
 856         }
 857
 858         /* And last, print the forth quarter page links. */
 859         if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
 860             $pg_str .= "...$spc";
 861         } else {
 862             if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
 863                 $pg_str .= "...$spc";
 864             }
 865             for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
 866                 $start = (($pg-1) * $show_num) + 1;
 867                 $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
 868             }
 869         }
 870     } else if ($PG_SHOWNUM == 999999) {
 871         $pg_str = "<A HREF=\"right_main.php?use_mailbox_cache=$use"
 872                 . "&amp;startMessage=1&amp;mailbox=$box\" TARGET=\"right\">"
 873                 . _("Paginate") . '</A>' . $spc;
 874     }
 875
 876     /* If necessary, compute the 'show all' string. */
 877     if (($prv_str != '') || ($nxt_str != '')) {
 878         $all_str = "<A HREF=\"right_main.php?PG_SHOWNUM=999999"
 879                  . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
 880                  . "TARGET=\"right\">" . _("Show All") . '</A>';
 881     }
 882
 883     /* Last but not least, get the value for the toggle all link. */
 884     $tgl_str = get_selectall_link($start_msg, $sort);
 885
 886     /* Put all the pieces of the paginator string together. */
 887     $result = '';
 888     $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
 889     $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
 890     $result .= ($pg_str != '' ? $pg_str : '');
 891     $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
 892     $result .= ($result != '' ? $sep . $spc . $tgl_str: $tgl_str);
 893
 894     /* If the resulting string is blank, return a non-breaking space. */
 895     if ($result == '') {
 896         $result = '&nbsp;';
 897     }
 898
 899     /* Return our final magical paginator string. */
 900     return ($result);
 901 }
 902
 903 function processSubject($subject) {
 904     // Shouldn't ever happen -- caught too many times in the IMAP functions
 905     if ($subject == '')
 906         return _("(no subject)");
 907
 908     if (strlen($subject) <= 55)
 909         return $subject;
 910
 911     $ent_strlen=strlen($subject);
 912     $trim_val=50;
 913     $ent_offset=0;
 914     // see if this is entities-encoded string
 915     // If so, Iterate through the whole string, find out
 916     // the real number of characters, and if more
 917     // than 55, substr with an updated trim value.
 918     while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 919             ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 920     {
 921     $trim_val += ($ent_loc_end-$ent_loc)+1;
 922     $ent_strlen -= $ent_loc_end-$ent_loc;
 923     $ent_offset = $ent_loc_end+1;
 924     }
 925
 926     if ($ent_strlen <= 55)
 927         return $subject;
 928
 929     return substr($subject, 0, $trim_val) . '...';
 930 }
 931
 932 function handleAsSent($mailbox) {
 933     global $sent_folder, $draft_folder;
 934     global $handleAsSent_result;
 935
 936     /* First check if this is the sent or draft folder. */
 937     $handleAsSent_result = (($mailbox == $sent_folder)
 938                         || ($mailbox == $draft_folder));
 939
 940     /* Then check the result of the handleAsSent hook. */
 941     do_hook('check_handleAsSent_result', $mailbox);
 942
 943     /* And return the result. */
 944     return ($handleAsSent_result);
 945 }
 946
 947 ?>