src/left_main.php

   1 <?php
   2
   3 /**
   4  * left_main.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 is the code for the left bar. The left bar shows the folders
  10  * available, and has cookie information.
  11  *
  12  * $Id$
  13  */
  14
  15 /* Path for SquirrelMail required files. */
  16 define('SM_PATH','../');
  17
  18 /* SquirrelMail required files. */
  19 require_once(SM_PATH . 'include/validate.php');
  20 require_once(SM_PATH . 'functions/array.php');
  21 require_once(SM_PATH . 'functions/imap.php');
  22 require_once(SM_PATH . 'functions/plugin.php');
  23 require_once(SM_PATH . 'functions/page_header.php');
  24 require_once(SM_PATH . 'functions/html.php');
  25
  26 /* These constants are used for folder stuff. */
  27 define('SM_BOX_UNCOLLAPSED', 0);
  28 define('SM_BOX_COLLAPSED',   1);
  29
  30 /* --------------------- FUNCTIONS ------------------------- */
  31
  32 function formatMailboxName($imapConnection, $box_array) {
  33
  34     global $folder_prefix, $trash_folder, $sent_folder,
  35            $color, $move_to_sent, $move_to_trash,
  36            $unseen_notify, $unseen_type, $collapse_folders,
  37            $draft_folder, $save_as_draft,
  38            $use_special_folder_color;
  39
  40     $real_box = $box_array['unformatted'];
  41     $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
  42     $mailboxURL = urlencode($real_box);
  43
  44     /* Strip down the mailbox name. */
  45     if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
  46         $mailbox = $regs[2];
  47     }
  48
  49     list($unseen_string, $unseen) = create_unseen_string($real_box, $box_array, $imapConnection);
  50     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  51
  52     /* Start off with a blank line. */
  53     $line = '';
  54
  55     /* If there are unseen message, bold the line. */
  56     if ($unseen > 0) { $line .= '<B>'; }
  57
  58     /* Create the link for this folder. */
  59     $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  60              $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  61
  62     if ($special_color) {
  63         $line .= "<font color=\"$color[11]\">";
  64     }
  65     if ( $mailbox == 'INBOX' ) {
  66         $line .= _("INBOX");
  67     } else {
  68         $line .= str_replace(' ','&nbsp;',$mailbox);
  69     }
  70     if ($special_color == TRUE)
  71         $line .= '</font>';
  72     $line .= '</a>';
  73
  74     /* If there are unseen message, close bolding. */
  75     if ($unseen > 0) { $line .= "</B>"; }
  76
  77     /* Print unseen information. */
  78     if ($unseen_string != '') {
  79         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  80     }
  81
  82     if (($move_to_trash) && ($real_box == $trash_folder)) {
  83         if (! isset($numMessages)) {
  84             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  85         }
  86
  87         if ($numMessages > 0) {
  88             $urlMailbox = urlencode($real_box);
  89             $line .= "\n<small>\n" .
  90                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
  91                     "</small>";
  92         }
  93     }
  94
  95     /* Return the final product. */
  96     return ($line);
  97 }
  98
  99 /**
 100  * Recursive function that computes the collapsed status and parent
 101  * (or not parent) status of this box, and the visiblity and collapsed
 102  * status and parent (or not parent) status for all children boxes.
 103  */
 104 function compute_folder_children(&$parbox, $boxcount) {
 105     global $boxes, $data_dir, $username, $collapse_folders;
 106     $nextbox = $parbox + 1;
 107
 108     /* Retreive the name for the parent box. */
 109     $parbox_name = $boxes[$parbox]['unformatted'];
 110
 111     /* 'Initialize' this parent box to childless. */
 112     $boxes[$parbox]['parent'] = FALSE;
 113
 114     /* Compute the collapse status for this box. */
 115     if( isset($collapse_folders) && $collapse_folders ) {
 116         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
 117         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 118     } else {
 119         $collapse = SM_BOX_UNCOLLAPSED;
 120     }
 121     $boxes[$parbox]['collapse'] = $collapse;
 122
 123     /* Otherwise, get the name of the next box. */
 124     if (isset($boxes[$nextbox]['unformatted'])) {
 125         $nextbox_name = $boxes[$nextbox]['unformatted'];
 126     } else {
 127         $nextbox_name = '';
 128     }
 129
 130     /* Compute any children boxes for this box. */
 131     while (($nextbox < $boxcount) &&
 132            (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
 133
 134         /* Note that this 'parent' box has at least one child. */
 135         $boxes[$parbox]['parent'] = TRUE;
 136
 137         /* Compute the visiblity of this box. */
 138         $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
 139                                        ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
 140
 141         /* Compute the visibility of any child boxes. */
 142         compute_folder_children($nextbox, $boxcount);
 143     }
 144
 145     /* Set the parent box to the current next box. */
 146     $parbox = $nextbox;
 147 }
 148
 149 /**
 150  * Create the link for a parent folder that will allow that
 151  * parent folder to either be collapsed or expaned, as is
 152  * currently appropriate.
 153  */
 154 function create_collapse_link($boxnum) {
 155     global $boxes, $imapConnection, $unseen_notify, $color;
 156     $mailbox = urlencode($boxes[$boxnum]['unformatted']);
 157
 158     /* Create the link for this collapse link. */
 159     $link = '<a target="left" style="text-decoration:none" ' .
 160             'href="left_main.php?';
 161     if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
 162         $link .= "unfold=$mailbox\">+";
 163     } else {
 164         $link .= "fold=$mailbox\">-";
 165     }
 166     $link .= '</a>';
 167
 168     /* Return the finished product. */
 169     return ($link);
 170 }
 171
 172 /**
 173  * create_unseen_string:
 174  *
 175  * Create unseen and total message count for both this folder and
 176  * it's subfolders.
 177  *
 178  * @param string $boxName name of the current mailbox
 179  * @param array $boxArray array for the current mailbox
 180  * @param $imapConnection current imap connection in use
 181  * @return array[0] unseen message string (for display)
 182  * @return array[1] unseen message count
 183  */
 184 function create_unseen_string($boxName, $boxArray, $imapConnection) {
 185     global $boxes, $unseen_type, $color;
 186
 187     /* Initialize the return value. */
 188     $result = array();
 189
 190     /* Initialize the counts for this folder. */
 191     $boxUnseenCount = 0;
 192     $boxMessageCount = 0;
 193     $totalUnseenCount = 0;
 194     $totalMessageCount = 0;
 195
 196     /* Collect the counts for this box alone. */
 197     $boxUnseenCount = sqimap_unseen_messages($imapConnection, $boxName);
 198     if ($unseen_type == 2) {
 199         $boxMessageCount = sqimap_get_num_messages($imapConnection, $boxName);
 200     }
 201
 202     /* Initialize the total counts. */
 203
 204     if ($boxArray['collapse'] == SM_BOX_COLLAPSED) {
 205         /* Collect the counts for this boxes subfolders. */
 206         $curBoxLength = strlen($boxName);
 207         $boxCount = count($boxes);
 208
 209         for ($i = 0; $i < $boxCount; ++$i) {
 210             /* Initialize the counts for this subfolder. */
 211             $subUnseenCount = 0;
 212             $subMessageCount = 0;
 213
 214             /* Collect the counts for this subfolder. */
 215             if (($boxName != $boxes[$i]['unformatted'])
 216                    && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
 217                    && !in_array('noselect', $boxes[$i]['flags'])) {
 218                 $subUnseenCount = sqimap_unseen_messages($imapConnection, $boxes[$i]['unformatted']);
 219                 if ($unseen_type == 2) {
 220                     $subMessageCount = sqimap_get_num_messages($imapConnection, $boxes[$i]['unformatted']);
 221                 }
 222
 223                 /* Add the counts for this subfolder to the total. */
 224                 $totalUnseenCount += $subUnseenCount;
 225                 $totalMessageCount += $subMessageCount;
 226             }
 227         }
 228
 229         /* Add the counts for all subfolders to that of the box. */
 230         $boxUnseenCount += $totalUnseenCount;
 231         $boxMessageCount += $totalMessageCount;
 232     }
 233
 234     /* And create the magic unseen count string.     */
 235     /* Really a lot more then just the unseen count. */
 236     if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
 237         $result[0] = "($boxUnseenCount)";
 238     } else if ($unseen_type == 2) {
 239         $result[0] = "($boxUnseenCount/$boxMessageCount)";
 240         $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
 241     }
 242
 243     /* Set the unseen count to return to the outside world. */
 244     $result[1] = $boxUnseenCount;
 245
 246     /* Return our happy result. */
 247     return ($result);
 248 }
 249
 250 /**
 251  * This simple function checks if a box is another box's parent.
 252  */
 253 function is_parent_box($curbox_name, $parbox_name) {
 254     global $delimiter;
 255
 256     /* Extract the name of the parent of the current box. */
 257     $curparts = explode($delimiter, $curbox_name);
 258     $curname = array_pop($curparts);
 259     $actual_parname = implode($delimiter, $curparts);
 260     $actual_parname = substr($actual_parname,0,strlen($parbox_name));
 261
 262     /* Compare the actual with the given parent name. */
 263     return ($parbox_name == $actual_parname);
 264 }
 265
 266 function listBoxes ($boxes, $j=0 ) {
 267     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 268     $move_to_trash, $trash_folder, $collapse_folders;
 269     $pre = '';
 270     $end = '';
 271     $collapse = false;
 272     if ($boxes) {
 273         $mailbox = $boxes->mailboxname_full;
 274         $leader = '';
 275         for ($k = 0; $k < $j; $k++) {
 276             $leader.= '&nbsp&nbsp&nbsp';
 277         }
 278         $mailboxURL = urlencode($mailbox);
 279
 280         /* get unseen/total messages information */
 281         if ($boxes->unseen) {
 282             $unseen = $boxes->unseen;
 283             $unseen_string = "($unseen)";
 284             if ($unseen>0) $unseen_found = TRUE;
 285             if ($boxes->total) {
 286                 $numMessages = $boxes->total;
 287                 $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
 288             }
 289         } else $unseen = 0;
 290
 291
 292
 293         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 294             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 295             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 296
 297             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 298             if ($collapse) {
 299                 $link .= "unfold=$mailboxURL\">$leader +&nbsp";
 300             } else {
 301                 $link .= "fold=$mailboxURL\">$leader -&nbsp";
 302             }
 303             $link .= '</a>';
 304             $pre .= $link;
 305         } else {
 306             $pre.= $leader . '&nbsp&nbsp&nbsp';
 307         }
 308
 309
 310         /* If there are unseen message, bold the line. */
 311         if ($unseen > 0) { $pre .= '<B>'; }
 312
 313         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 314             if (! isset($numMessages)) {
 315                 $numMessages = sqimap_get_num_messages($imapConnection, $mailbox);
 316             }
 317
 318             if ($numMessages > 0) {
 319                 $urlMailbox = urlencode($mailbox);
 320                 $pre .= "\n<small>\n" .
 321                         "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 322                         "</small>";
 323             }
 324         } else {
 325             if (!$boxes->is_noselect) {
 326                 $pre .= "<a HREF=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" TARGET=\"right\">";
 327                 $end .= '</a>';
 328             }
 329         }
 330
 331         /* If there are unseen message, close bolding. */
 332         if ($unseen > 0) { $end .= "</B>"; }
 333
 334         /* Print unseen information. */
 335         if (isset($unseen_found) && $unseen_found) {
 336             $end .= "&nbsp;<SMALL>$unseen_string</SMALL>";
 337         }
 338
 339         $font = '';
 340         $fontend = '';
 341         if ($boxes->is_special) {
 342             $font = "<FONT COLOR=\"$color[11]\">";
 343             $fontend = "</FONT>";
 344         }
 345
 346         if (!$boxes->is_root) {
 347             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br>';
 348             $j++;
 349         }
 350         if (!$collapse || $boxes->is_root) {
 351             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 352                 listBoxes($boxes->mbxs[$i],$j);
 353             }
 354         }
 355
 356     }
 357 }
 358
 359 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 360     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 361     $move_to_trash, $trash_folder, $collapse_folders;
 362
 363     /* use_folder_images only works if the images exist in ../images */
 364     $use_folder_images = true;
 365
 366     $pre = '';
 367     $end = '';
 368     $collapse = false;
 369
 370     if ($boxes) {
 371         $mailbox = $boxes->mailboxname_full;
 372         $mailboxURL = urlencode($mailbox);
 373
 374         /* get unseen/total messages information */
 375         if ($boxes->unseen) {
 376             $unseen = $boxes->unseen;
 377             $unseen_string = "($unseen)";
 378             if ($unseen>0) $unseen_found = TRUE;
 379             if ($boxes->total) {
 380                 $numMessages = $boxes->total;
 381                 $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
 382             }
 383         } else $unseen = 0;
 384
 385         /* If there are unseen message, bold the line. */
 386         if ($unseen > 0) { $pre .= '<B>'; }
 387
 388         /* color special boxes */
 389         if ($boxes->is_special) {
 390             $pre .= "<FONT COLOR=\"$color[11]\">";
 391             $end .= "</FONT>";
 392         }
 393
 394         /* If there are unseen message, close bolding. */
 395         if ($unseen > 0) { $end .= "</B>"; }
 396
 397         /* Print unseen information. */
 398         if (isset($unseen_found) && $unseen_found) {
 399             $end .= "&nbsp;$unseen_string";
 400         }
 401
 402         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 403             if (! isset($numMessages)) {
 404                 $numMessages = $boxes->total;
 405             }
 406             if ($numMessages > 0) {
 407                 $urlMailbox = urlencode($mailbox);
 408                 $pre .= "\n<small>\n" .
 409                         "&nbsp;&nbsp;(<a class=\"mbx_link\" HREF=\"empty_trash.php\">"._("purge")."</a>)" .
 410                         "</small>";
 411             }
 412         } else {
 413             if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 414                 $pre .= "<a class=\"mbx_link\" HREF=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" TARGET=\"right\">";
 415                 $end .= '</a>';
 416             }
 417         }
 418
 419         if (!$boxes->is_root) {
 420             if ($use_folder_images) {
 421               if ($boxes->is_inbox) {
 422                 $folder_img = '../images/inbox.gif';
 423               } else if ($boxes->is_sent) {
 424                 $folder_img = '../images/senti.gif';
 425               } else if ($boxes->is_trash) {
 426                 $folder_img = '../images/delitem.gif';
 427               } else if ($boxes->is_draft) {
 428                 $folder_img = '../images/draft.gif';
 429               } else $folder_img = '../images/folder.gif';
 430               $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center">&nbsp;';
 431             } else $folder_img = '';
 432             if (!isset($boxes->mbxs[0])) {
 433                 echo '   ' . html_tag( 'div',
 434                                 $pre . $folder_img . $boxes->mailboxname_sub . $end ,
 435                         'left', '', 'class="mbx_sub" id="' .$j. '"' )
 436                         . "\n";
 437             } else {
 438                 /* get collapse information */
 439                 if ($collapse_folders) {
 440                     $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 441                     $form_entry = $j.'F';
 442                     if (isset($mbx) && isset($mbx[$form_entry])) {
 443                         $collapse = $mbx[$form_entry];
 444                         if ($collapse) {
 445                             setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_COLLAPSED);
 446                         } else {
 447                             setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_UNCOLLAPSED);
 448                         }
 449                     } else {
 450                         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 451                         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 452                     }
 453                     if ($collapse) {
 454                         $link = '<a href="javascript:void(0)">'." <img src=\"../images/plus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\"></A>";
 455                     } else {
 456                         $link = '<a href="javascript:void(0)">'."<img src=\"../images/minus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\"></a>";
 457                     }
 458                     $collapse_link = $link;
 459                 } else $collapse_link='';
 460                 echo '   ' . html_tag( 'div',
 461                                 $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 462                         'left', '', 'class="mbx_par" id="' .$j. 'P"' )
 463                         . "\n";
 464                 echo '   <INPUT TYPE="hidden" name=mbx['.$j. 'F] value="'.$collapse.'" id="mbx['.$j.'F]">'."\n";
 465             }
 466         }
 467         if ($collapse) {
 468             $visible = ' STYLE="display:none;"';
 469         } else {
 470             $visible = ' STYLE="display:block;"';
 471         }
 472
 473         if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 474             echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 475
 476             if ($j !='ID.0000') {
 477                $j = $j .'.0000';
 478         }
 479         for ($i = 0; $i <count($boxes->mbxs); $i++) {
 480             $j++;
 481             listAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 482         }
 483         if (isset($boxes->mbxs[0]) && !$boxes->is_root ) echo '</div>'."\n\n";
 484     }
 485 }
 486
 487
 488
 489
 490 /* -------------------- MAIN ------------------------ */
 491
 492 global $delimiter, $default_folder_prefix, $left_size;
 493
 494 // open a connection on the imap port (143)
 495 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 496
 497 /**
 498  * Using stristr since older preferences may contain "None" and "none".
 499  */
 500 if (isset($left_refresh) && ($left_refresh != '') &&
 501     !stristr($left_refresh, "none")){
 502     $xtra =  "\n<META HTTP-EQUIV=\"Expires\" CONTENT=\"Thu, 01 Dec 1994 16:00:00 GMT\">\n" .
 503              "<META HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">\n".
 504              "<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"$left_refresh;URL=left_main.php\">\n";
 505 } else {
 506     $xtra = '';
 507 }
 508
 509 /**
 510  * $advanced_tree and $oldway are boolean vars which are default set to default
 511  * SM behaviour.
 512  * Setting $oldway to false causes left_main.php to use the new  experimental
 513  * way of getting the mailbox-tree.
 514  * Setting $advanced tree to true causes SM to display a experimental
 515  * mailbox-tree with dhtml behaviour.
 516  * It only works on browsers which supports css and javascript. The used
 517  * javascript is experimental and doesn't support all browsers. It is tested on
 518  * IE6 an Konquerer 3.0.0-2.
 519  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 520  * setting this to true is only usefull if the images exists in ../images.
 521  *
 522  * Feel free to experiment with the code and report bugs and enhancements
 523  * to marc@its-projects.nl
 524  **/
 525
 526 $advanced_tree = false; /* set this to true if you want to see a nicer mailboxtree */
 527 $oldway = true; /* default SM behaviour */
 528
 529 if ($advanced_tree) {
 530 $xtra .= <<<ECHO
 531 <script language="Javascript" TYPE="text/javascript">
 532
 533 <!--
 534
 535     function hidechilds(el) {
 536         id = el.id+".0000";
 537         form_id = "mbx[" + el.id +"F]";
 538         if (document.all) {
 539             ele = document.all[id];
 540             if (ele) {
 541                if(ele.style.display == "none") {
 542                   ele.style.display = "block";
 543                   ele.style.visibility = "visible"
 544                   el.src="../images/minus.gif";
 545                   document.all[form_id].value=0;
 546                } else {
 547                   ele.style.display = "none";
 548                   ele.style.visibility = "hidden"
 549                   el.src="../images/plus.gif";
 550                   document.all[form_id].value=1;
 551                }
 552             }
 553         } else if (document.getElementById) {
 554             ele = document.getElementById(id);
 555             if (ele) {
 556                if(ele.style.display == "none") {
 557                   ele.style.display = "block";
 558                   ele.style.visibility = "visible"
 559                   el.src="../images/minus.gif";
 560                   document.getElementById(form_id).value=0;
 561                } else {
 562                   ele.style.display = "none";
 563                   ele.style.visibility = "hidden"
 564                   el.src="../images/plus.gif";
 565                   document.getElementById(form_id).value=1;
 566                }
 567             }
 568         }
 569    }
 570
 571    function preload() {
 572      if (!document.images) return;
 573      var ar = new Array();
 574      var arguments = preload.arguments;
 575      for (var i = 0; i<arguments.length; i++) {
 576         ar[i] = new Image();
 577         ar[i].src = arguments[i];
 578      }
 579    }
 580
 581    function buttonover(el,on) {
 582       if (!on) {
 583          el.style.borderColor="blue";}
 584       else {
 585          el.style.borderColor="orange";}
 586    }
 587
 588    function buttonclick(el,on) {
 589       if (!on) {
 590          el.style.border="groove"}
 591       else {
 592          el.style.border="ridge";}
 593    }
 594
 595    function hideframe(hide) {
 596
 597 ECHO;
 598 $xtra .= "      left_size = \"$left_size\";\n";
 599 $xtra .= <<<ECHO
 600       if (document.all) {
 601         masterf = window.parent.document.all["fs1"];
 602         leftf = window.parent.document.all["left"];
 603         leftcontent = document.all["leftframe"];
 604         leftbutton = document.all["showf"];
 605       } else if (document.getElementById) {
 606         masterf = window.parent.document.getElementById("fs1");
 607         leftf = window.parent.document.getElementById("left");
 608         leftcontent = document.getElementById("leftframe");
 609         leftbutton = document.getElementById("showf");
 610       } else {
 611         return false;
 612       }
 613       if(hide) {
 614          new_col = calc_col("20");
 615          masterf.cols = new_col;
 616          document.body.scrollLeft=0;
 617          document.body.style.overflow='hidden';
 618          leftcontent.style.display = 'none';
 619          leftbutton.style.display='block';
 620       } else {
 621          masterf.cols = calc_col(left_size);
 622          document.body.style.overflow='';
 623          leftbutton.style.display='none';
 624          leftcontent.style.display='block';
 625
 626       }
 627    }
 628
 629    function calc_col(c_w) {
 630
 631 ECHO;
 632    if ($location_of_bar == 'right') {
 633        $xtra .= '     right=true;';
 634    } else {
 635        $xtra .= '     right=false;';
 636    }
 637    $xtra .= "\n";
 638 $xtra .= <<<ECHO
 639      if (right) {
 640          new_col = '*,'+c_w;
 641      } else {
 642          new_col = c_w+',*';
 643      }
 644      return new_col;
 645    }
 646
 647    function resizeframe(direction) {
 648      if (document.all) {
 649         masterf = window.parent.document.all["fs1"];
 650      } else if (document.getElementById) {
 651         window.parent.document.getElementById("fs1");
 652      } else {
 653         return false;
 654      }
 655
 656 ECHO;
 657    if ($location_of_bar == 'right') {
 658        $xtra .= '  colPat=/^\*,(\d+)$/;';
 659    } else {
 660        $xtra .= '  colPat=/^(\d+),.*$/;';
 661    }
 662    $xtra .= "\n";
 663
 664 $xtra .= <<<ECHO
 665      old_col = masterf.cols;
 666      colPat.exec(old_col);
 667
 668      if (direction) {
 669         new_col_width = parseInt(RegExp.$1) + 25;
 670
 671      } else {
 672         if (parseInt(RegExp.$1) > 35) {
 673            new_col_width = parseInt(RegExp.$1) - 25;
 674         }
 675      }
 676      masterf.cols = calc_col(new_col_width);
 677    }
 678
 679 //-->
 680
 681 </script>
 682
 683 ECHO;
 684
 685 /* style definitions */
 686
 687 $xtra .= <<<ECHO
 688
 689 <STYLE TYPE="text/css">
 690 <!--
 691   body {
 692      margin: 0px 0px 0px 0px;
 693      padding: 5px 5px 5px 5px;
 694   }
 695
 696   .button {
 697      border:outset;
 698      border-color:blue;
 699      background:white;
 700      width:99%;
 701      heigth:99%;
 702   }
 703
 704   .mbx_par {
 705      font-size:0.8em;
 706      margin-left:4px;
 707      margin-right:0px;
 708   }
 709
 710   a.mbx_link {
 711       text-decoration: none;
 712       background-color: $color[0];
 713       display: inline;
 714   }
 715
 716   a:hover.mbx_link {
 717       background-color: $color[9];
 718   }
 719
 720   a.mbx_link img {
 721       border-style: none;
 722   }
 723
 724   .mbx_sub {
 725      padding-left:5px;
 726      padding-right:0px;
 727      margin-left:4px;
 728      margin-right:0px;
 729      font-size:0.7em;
 730   }
 731
 732   .par_area {
 733      margin-top:0px;
 734      margin-left:4px;
 735      margin-right:0px;
 736      padding-left:10px;
 737      padding-bottom:5px;
 738      border-left: solid;
 739      border-left-width:0.1em;
 740      border-left-color:blue;
 741      border-bottom: solid;
 742      border-bottom-width:0.1em;
 743      border-bottom-color:blue;
 744      display: block;
 745   }
 746
 747   .mailboxes {
 748      padding-bottom:3px;
 749      margin-right:4px;
 750      padding-right:4px;
 751      margin-left:4px;
 752      padding-left:4px;
 753      border: groove;
 754      border-width:0.1em;
 755      border-color:green;
 756      background: $color[0];
 757   }
 758
 759 -->
 760
 761 </STYLE>
 762
 763 ECHO;
 764
 765 }
 766
 767
 768
 769
 770 displayHtmlHeader( 'SquirrelMail', $xtra );
 771
 772 /* If requested and not yet complete, attempt to autocreate folders. */
 773 if ($auto_create_special && !isset($auto_create_done)) {
 774     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 775     foreach( $autocreate as $folder ) {
 776         if (($folder != '') && ($folder != 'none')) {
 777             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 778                 sqimap_mailbox_create($imapConnection, $folder, '');
 779             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 780                 sqimap_subscribe($imapConnection, $folder);
 781             }
 782         }
 783     }
 784
 785     /* Let the world know that autocreation is complete! Hurrah! */
 786     $auto_create_done = TRUE;
 787     session_register('auto_create_done');
 788 }
 789
 790 echo "\n<BODY BGCOLOR=\"$color[3]\" TEXT=\"$color[6]\" LINK=\"$color[6]\" VLINK=\"$color[6]\" ALINK=\"$color[6]\">\n";
 791
 792 do_hook('left_main_before');
 793 if ($advanced_tree) {
 794    /* nice future feature, needs layout !! volunteers?   */
 795    $right_pos = $left_size - 20;
 796    echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 797    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><A HREF="javascript:hideframe(false)"><b>>></b></a></div>';
 798    echo '<div ID="incrf" style="width=20;font-size:12"><A HREF="javascript:resizeframe(true)"><b>></b></a></div>';
 799    echo '<div ID="decrf" style="width=20;font-size:12"><A HREF="javascript:resizeframe(false)"><b><</b></a></div></div>';
 800    echo '<div ID="leftframe"><br><br>';
 801 }
 802
 803 echo "\n\n" . html_tag( 'table', '', '', '', 'border="0" cellspacing="0" cellpadding="0" width="100%"' ) .
 804     html_tag( 'tr' ) .
 805     html_tag( 'td', '', 'left' ) .
 806     '<center><font size="4"><b>'. _("Folders") . "</b><br></font>\n\n";
 807
 808 if ($date_format != 6) {
 809     /* First, display the clock. */
 810     if ($hour_format == 1) {
 811         $hr = 'G:i';
 812         if ($date_format == 4) {
 813             $hr .= ':s';
 814         }
 815     } else {
 816         if ($date_format == 4) {
 817             $hr = 'g:i:s a';
 818         } else {
 819             $hr = 'g:i a';
 820         }
 821     }
 822
 823     switch( $date_format ) {
 824     case 1:
 825         $clk = date('m/d/y '.$hr, time());
 826         break;
 827     case 2:
 828         $clk = date('d/m/y '.$hr, time());
 829         break;
 830     case 4:
 831     case 5:
 832         $clk = date($hr, time());
 833         break;
 834     default:
 835         $clk = substr( getDayName( date( 'w', time() ) ), 0, 3 ) . date( ', ' . $hr, time() );
 836     }
 837     $clk = str_replace(' ','&nbsp;',$clk);
 838
 839     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 840          ": $clk</small></center>";
 841 }
 842
 843 /* Next, display the refresh button. */
 844 echo '<small>(<a href="../src/left_main.php" target="left">'.
 845      _("refresh folder list") . '</a>)</small></center><br>';
 846
 847 /* Lastly, display the folder list. */
 848 if ( $collapse_folders ) {
 849     /* If directed, collapse or uncollapse a folder. */
 850     if (isset($fold)) {
 851         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 852     } else if (isset($unfold)) {
 853         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 854     }
 855 }
 856
 857 if ($oldway) {  /* normal behaviour SM */
 858
 859 $boxes = sqimap_mailbox_list($imapConnection);
 860 /* Prepare do do out collapsedness and visibility computation. */
 861 $curbox = 0;
 862 $boxcount = count($boxes);
 863
 864 /* Compute the collapsedness and visibility of each box. */
 865
 866 while ($curbox < $boxcount) {
 867     $boxes[$curbox]['visible'] = TRUE;
 868     compute_folder_children($curbox, $boxcount);
 869 }
 870
 871
 872 for ($i = 0; $i < count($boxes); $i++) {
 873     if ( $boxes[$i]['visible'] ) {
 874         $mailbox = $boxes[$i]['formatted'];
 875         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
 876
 877         /* Create the prefix for the folder name and link. */
 878         $prefix = str_repeat('  ',$mblevel);
 879         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
 880             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
 881                       create_collapse_link($i) . '&nbsp;';
 882         } else {
 883             $prefix = str_replace(' ','&nbsp;',$prefix);
 884         }
 885         $line = "<NOBR><TT>$prefix</TT>";
 886
 887         /* Add the folder name and link. */
 888         if (! isset($color[15])) {
 889             $color[15] = $color[6];
 890         }
 891
 892         if (in_array('noselect', $boxes[$i]['flags'])) {
 893             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
 894                 $line .= "<FONT COLOR=\"$color[11]\">";
 895             } else {
 896                 $line .= "<FONT COLOR=\"$color[15]\">";
 897             }
 898             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
 899                 $mailbox = str_replace('&nbsp;','',$mailbox);
 900                 $line .= str_replace(' ', '&nbsp;', $mailbox);
 901             }
 902             $line .= '</FONT>';
 903         } else {
 904             $line .= formatMailboxName($imapConnection, $boxes[$i]);
 905         }
 906
 907         /* Put the final touches on our folder line. */
 908         $line .= "</NOBR><BR>\n";
 909
 910         /* Output the line for this folder. */
 911         echo $line;
 912     }
 913 }
 914 } else {  /* expiremental code */
 915     $boxes = sqimap_mailbox_tree($imapConnection);
 916     if (isset($advanced_tree) && $advanced_tree) {
 917         echo '<FORM name=collapse action="left_main.php" METHOD=POST' .
 918             'ENCTYPE="multipart/form-data"'."\n";
 919         echo '<small><button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br><br>';
 920         echo '<DIV ID=mailboxes CLASS=mailboxes>'."\n\n";
 921         if (!isset($mbx)) $mbx=NULL;
 922             ListAdvancedBoxes($boxes, $mbx);
 923         echo '</div></small>'."\n";
 924         echo '</FORM>'."\n";
 925     } else {
 926         ListBoxes($boxes);
 927     }
 928 } /* if ($oldway) else ... */
 929 do_hook('left_main_after');
 930 sqimap_logout($imapConnection);
 931
 932 echo '</td></tr></table>' . "\n".
 933     "</div></body></html>\n";
 934
 935 ?>