src/left_main.php

   1 <?php
   2
   3 /**
   4  * left_main.php
   5  *
   6  * Copyright (c) 1999-2003 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/imap.php');
  21 require_once(SM_PATH . 'functions/plugin.php');
  22 require_once(SM_PATH . 'functions/page_header.php');
  23 require_once(SM_PATH . 'functions/html.php');
  24
  25 /* These constants are used for folder stuff. */
  26 define('SM_BOX_UNCOLLAPSED', 0);
  27 define('SM_BOX_COLLAPSED',   1);
  28
  29 /* --------------------- FUNCTIONS ------------------------- */
  30
  31 function formatMailboxName($imapConnection, $box_array) {
  32
  33     global $folder_prefix, $trash_folder, $sent_folder,
  34            $color, $move_to_sent, $move_to_trash,
  35            $unseen_notify, $unseen_type, $collapse_folders,
  36            $draft_folder, $save_as_draft,
  37            $use_special_folder_color;
  38     $real_box = $box_array['unformatted'];
  39     $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
  40     $mailboxURL = urlencode($real_box);
  41
  42     /* Strip down the mailbox name. */
  43     if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
  44         $mailbox = $regs[2];
  45     }
  46     $unseen = 0;
  47     $status = array();
  48     if (($unseen_notify == 2 && $real_box == 'INBOX') ||
  49         $unseen_notify == 3) {
  50         $status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
  51         if ($status !== false) {
  52             list($unseen_string, $unseen) = $status;
  53         } else {
  54             list($unseen_string, $unseen) = array(_("Not available"),'');
  55         }
  56     } else {
  57         list($unseen_string, $unseen) = array('','');
  58     }
  59     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  60
  61     /* Start off with a blank line. */
  62     $line = '';
  63
  64     /* If there are unseen message, bold the line. */
  65     if ($unseen > 0) { $line .= '<B>'; }
  66
  67     /* Create the link for this folder. */
  68     if ($status !== false) {
  69         $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  70                 $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  71     }
  72     if ($special_color) {
  73         $line .= "<font color=\"$color[11]\">";
  74     }
  75     if ( $mailbox == 'INBOX' ) {
  76         $line .= _("INBOX");
  77     } else {
  78         $line .= str_replace(' ','&nbsp;',$mailbox);
  79     }
  80     if ($special_color == TRUE)
  81         $line .= '</font>';
  82     if ($status !== false) {
  83         $line .= '</a>';
  84     }
  85
  86     /* If there are unseen message, close bolding. */
  87     if ($unseen > 0) { $line .= "</B>"; }
  88
  89     /* Print unseen information. */
  90     if ($unseen_string != '') {
  91         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  92     }
  93
  94         /* If it's the trash folder, show a purge link when needed */
  95     if (($move_to_trash) && ($real_box == $trash_folder)) {
  96         if (! isset($numMessages)) {
  97             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  98         }
  99
 100         if (($numMessages > 0) or ($box_array['parent'] == 1)) {
 101             $urlMailbox = urlencode($real_box);
 102             $line .= "\n<small>\n" .
 103                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 104                     "</small>";
 105         }
 106     }
 107
 108     /* Return the final product. */
 109     return ($line);
 110 }
 111
 112 /**
 113  * Recursive function that computes the collapsed status and parent
 114  * (or not parent) status of this box, and the visiblity and collapsed
 115  * status and parent (or not parent) status for all children boxes.
 116  */
 117 function compute_folder_children(&$parbox, $boxcount) {
 118     global $boxes, $data_dir, $username, $collapse_folders;
 119     $nextbox = $parbox + 1;
 120
 121     /* Retreive the name for the parent box. */
 122     $parbox_name = $boxes[$parbox]['unformatted'];
 123
 124     /* 'Initialize' this parent box to childless. */
 125     $boxes[$parbox]['parent'] = FALSE;
 126
 127     /* Compute the collapse status for this box. */
 128     if( isset($collapse_folders) && $collapse_folders ) {
 129         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
 130         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 131     } else {
 132         $collapse = SM_BOX_UNCOLLAPSED;
 133     }
 134     $boxes[$parbox]['collapse'] = $collapse;
 135
 136     /* Otherwise, get the name of the next box. */
 137     if (isset($boxes[$nextbox]['unformatted'])) {
 138         $nextbox_name = $boxes[$nextbox]['unformatted'];
 139     } else {
 140         $nextbox_name = '';
 141     }
 142
 143     /* Compute any children boxes for this box. */
 144     while (($nextbox < $boxcount) &&
 145            (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
 146
 147         /* Note that this 'parent' box has at least one child. */
 148         $boxes[$parbox]['parent'] = TRUE;
 149
 150         /* Compute the visiblity of this box. */
 151         $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
 152                                        ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
 153
 154         /* Compute the visibility of any child boxes. */
 155         compute_folder_children($nextbox, $boxcount);
 156     }
 157
 158     /* Set the parent box to the current next box. */
 159     $parbox = $nextbox;
 160 }
 161
 162 /**
 163  * Create the link for a parent folder that will allow that
 164  * parent folder to either be collapsed or expaned, as is
 165  * currently appropriate.
 166  */
 167 function create_collapse_link($boxnum) {
 168     global $boxes, $imapConnection, $unseen_notify, $color;
 169     $mailbox = urlencode($boxes[$boxnum]['unformatted']);
 170
 171     /* Create the link for this collapse link. */
 172     $link = '<a target="left" style="text-decoration:none" ' .
 173             'href="left_main.php?';
 174     if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
 175         $link .= "unfold=$mailbox\">+";
 176     } else {
 177         $link .= "fold=$mailbox\">-";
 178     }
 179     $link .= '</a>';
 180
 181     /* Return the finished product. */
 182     return ($link);
 183 }
 184
 185 /**
 186  * create_unseen_string:
 187  *
 188  * Create unseen and total message count for both this folder and
 189  * it's subfolders.
 190  *
 191  * @param string $boxName name of the current mailbox
 192  * @param array $boxArray array for the current mailbox
 193  * @param $imapConnection current imap connection in use
 194  * @return array[0] unseen message string (for display)
 195  * @return array[1] unseen message count
 196  */
 197 function create_unseen_string($boxName, $boxArray, $imapConnection, $unseen_type) {
 198     global $boxes, $unseen_type, $color, $unseen_cum;
 199
 200     /* Initialize the return value. */
 201     $result = array(0,0);
 202
 203     /* Initialize the counts for this folder. */
 204     $boxUnseenCount = 0;
 205     $boxMessageCount = 0;
 206     $totalUnseenCount = 0;
 207     $totalMessageCount = 0;
 208
 209     /* Collect the counts for this box alone. */
 210     $status = sqimap_status_messages($imapConnection, $boxName);
 211     $boxUnseenCount = $status['UNSEEN'];
 212     if ($boxUnseenCount === false) {
 213         return false;
 214     }
 215     if ($unseen_type == 2) {
 216         $boxMessageCount = $status['MESSAGES'];
 217     }
 218
 219     /* Initialize the total counts. */
 220
 221     if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
 222         /* Collect the counts for this boxes subfolders. */
 223         $curBoxLength = strlen($boxName);
 224         $boxCount = count($boxes);
 225
 226         for ($i = 0; $i < $boxCount; ++$i) {
 227             /* Initialize the counts for this subfolder. */
 228             $subUnseenCount = 0;
 229             $subMessageCount = 0;
 230
 231             /* Collect the counts for this subfolder. */
 232             if (($boxName != $boxes[$i]['unformatted'])
 233                    && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
 234                    && !in_array('noselect', $boxes[$i]['flags'])) {
 235                 $status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
 236                 $subUnseenCount = $status['UNSEEN'];
 237                 if ($unseen_type == 2) {
 238                     $subMessageCount = $status['MESSAGES'];;
 239                 }
 240                 /* Add the counts for this subfolder to the total. */
 241                 $totalUnseenCount += $subUnseenCount;
 242                 $totalMessageCount += $subMessageCount;
 243             }
 244         }
 245
 246         /* Add the counts for all subfolders to that of the box. */
 247         $boxUnseenCount += $totalUnseenCount;
 248         $boxMessageCount += $totalMessageCount;
 249     }
 250
 251     /* And create the magic unseen count string.     */
 252     /* Really a lot more then just the unseen count. */
 253     if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
 254         $result[0] = "($boxUnseenCount)";
 255     } else if ($unseen_type == 2) {
 256         $result[0] = "($boxUnseenCount/$boxMessageCount)";
 257         $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
 258     }
 259
 260     /* Set the unseen count to return to the outside world. */
 261     $result[1] = $boxUnseenCount;
 262
 263     /* Return our happy result. */
 264     return ($result);
 265 }
 266
 267 /**
 268  * This simple function checks if a box is another box's parent.
 269  */
 270 function is_parent_box($curbox_name, $parbox_name) {
 271     global $delimiter;
 272
 273     /* Extract the name of the parent of the current box. */
 274     $curparts = explode($delimiter, $curbox_name);
 275     $curname = array_pop($curparts);
 276     $actual_parname = implode($delimiter, $curparts);
 277     $actual_parname = substr($actual_parname,0,strlen($parbox_name));
 278
 279     /* Compare the actual with the given parent name. */
 280     return ($parbox_name == $actual_parname);
 281 }
 282
 283 function listBoxes ($boxes, $j=0 ) {
 284     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 285     $move_to_trash, $trash_folder, $collapse_folders;
 286     $pre = '';
 287     $end = '';
 288     $collapse = false;
 289     if ($boxes) {
 290         $mailbox = $boxes->mailboxname_full;
 291         $leader = '';
 292         for ($k = 0; $k < $j; $k++) {
 293             $leader.= '&nbsp&nbsp&nbsp';
 294         }
 295         $mailboxURL = urlencode($mailbox);
 296
 297         /* get unseen/total messages information */
 298         if ($boxes->unseen) {
 299             $unseen = $boxes->unseen;
 300             $unseen_string = "($unseen)";
 301             if ($unseen>0) $unseen_found = TRUE;
 302             if ($boxes->total) {
 303                 $numMessages = $boxes->total;
 304                 $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
 305             }
 306         } else $unseen = 0;
 307
 308
 309
 310         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 311             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 312             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 313
 314             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 315             if ($collapse) {
 316                 $link .= "unfold=$mailboxURL\">$leader +&nbsp";
 317             } else {
 318                 $link .= "fold=$mailboxURL\">$leader -&nbsp";
 319             }
 320             $link .= '</a>';
 321             $pre .= $link;
 322         } else {
 323             $pre.= $leader . '&nbsp&nbsp&nbsp';
 324         }
 325
 326
 327         /* If there are unseen message, bold the line. */
 328         if ($unseen > 0) { $pre .= '<B>'; }
 329
 330         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 331             if (! isset($numMessages)) {
 332                 $status = sqimap_status_messages($imapConnection, $mailbox);
 333                 $numMessages = $status['MESSAGES'];
 334             }
 335
 336             if ($numMessages > 0) {
 337                 $urlMailbox = urlencode($mailbox);
 338                 $pre .= "\n<small>\n" .
 339                         "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 340                         "</small>";
 341             }
 342         } else {
 343             if (!$boxes->is_noselect) {
 344                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">";
 345                 $end .= '</a>';
 346             }
 347         }
 348
 349         /* If there are unseen message, close bolding. */
 350         if ($unseen > 0) { $end .= "</b>"; }
 351
 352         /* Print unseen information. */
 353         if (isset($unseen_found) && $unseen_found) {
 354             $end .= "&nbsp;<small>$unseen_string</small>";
 355         }
 356
 357         $font = '';
 358         $fontend = '';
 359         if ($boxes->is_special) {
 360             $font = "<font color=\"$color[11]\">";
 361             $fontend = "</font>";
 362         }
 363
 364         if (!$boxes->is_root) {
 365             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />';
 366             $j++;
 367         }
 368         if (!$collapse || $boxes->is_root) {
 369             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 370                 listBoxes($boxes->mbxs[$i],$j);
 371             }
 372         }
 373
 374     }
 375 }
 376
 377 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 378     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 379     $move_to_trash, $trash_folder, $collapse_folders;
 380
 381     /* use_folder_images only works if the images exist in ../images */
 382     $use_folder_images = true;
 383
 384     $pre = '';
 385     $end = '';
 386     $collapse = false;
 387
 388     if ($boxes) {
 389         $mailbox = $boxes->mailboxname_full;
 390         $mailboxURL = urlencode($mailbox);
 391
 392         /* get unseen/total messages information */
 393         if ($boxes->unseen) {
 394             $unseen = $boxes->unseen;
 395             $unseen_string = "($unseen)";
 396             if ($unseen>0) $unseen_found = TRUE;
 397             if ($boxes->total) {
 398                 $numMessages = $boxes->total;
 399                 $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
 400             }
 401         } else $unseen = 0;
 402
 403         /* If there are unseen message, bold the line. */
 404         if ($unseen > 0) { $pre .= '<b>'; }
 405
 406         /* color special boxes */
 407         if ($boxes->is_special) {
 408             $pre .= "<font color=\"$color[11]\">";
 409             $end .= '</font>';
 410         }
 411
 412         /* If there are unseen message, close bolding. */
 413         if ($unseen > 0) { $end .= '</b>'; }
 414
 415         /* Print unseen information. */
 416         if (isset($unseen_found) && $unseen_found) {
 417             $end .= "&nbsp;$unseen_string";
 418         }
 419
 420         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 421             if (! isset($numMessages)) {
 422                 $numMessages = $boxes->total;
 423             }
 424             if ($numMessages > 0) {
 425                 $urlMailbox = urlencode($mailbox);
 426                 $pre .= "\n<small>\n" .
 427                         "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 428                         "</small>";
 429             }
 430         } else {
 431             if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 432                 $pre .= "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">";
 433                 $end .= '</a>';
 434             }
 435         }
 436
 437         if (!$boxes->is_root) {
 438             if ($use_folder_images) {
 439               if ($boxes->is_inbox) {
 440                 $folder_img = '../images/inbox.gif';
 441               } else if ($boxes->is_sent) {
 442                 $folder_img = '../images/senti.gif';
 443               } else if ($boxes->is_trash) {
 444                 $folder_img = '../images/delitem.gif';
 445               } else if ($boxes->is_draft) {
 446                 $folder_img = '../images/draft.gif';
 447               } else $folder_img = '../images/folder.gif';
 448               $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 449             } else $folder_img = '';
 450             if (!isset($boxes->mbxs[0])) {
 451                 echo '   ' . html_tag( 'div',
 452                                 $pre . $folder_img . $boxes->mailboxname_sub . $end ,
 453                         'left', '', 'class="mbx_sub" id="' .$j. '"' )
 454                         . "\n";
 455             } else {
 456                 /* get collapse information */
 457                 if ($collapse_folders) {
 458                     $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 459                     $form_entry = $j.'F';
 460                     if (isset($mbx) && isset($mbx[$form_entry])) {
 461                         $collapse = $mbx[$form_entry];
 462                         if ($collapse) {
 463                             setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_COLLAPSED);
 464                         } else {
 465                             setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_UNCOLLAPSED);
 466                         }
 467                     } else {
 468                         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 469                         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 470                     }
 471                     if ($collapse) {
 472                         $link = '<a href="javascript:void(0)">'." <img src=\"../images/plus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 473                     } else {
 474                         $link = '<a href="javascript:void(0)">'."<img src=\"../images/minus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 475                     }
 476                     $collapse_link = $link;
 477                 } else $collapse_link='';
 478                 echo '   ' . html_tag( 'div',
 479                                 $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 480                         'left', '', 'class="mbx_par" id="' .$j. 'P"' )
 481                         . "\n";
 482                 echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 483             }
 484         }
 485         if ($collapse) {
 486             $visible = ' style="display:none;"';
 487         } else {
 488             $visible = ' style="display:block;"';
 489         }
 490
 491         if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 492             echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 493
 494             if ($j !='ID.0000') {
 495                $j = $j .'.0000';
 496         }
 497         for ($i = 0; $i <count($boxes->mbxs); $i++) {
 498             $j++;
 499             listAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 500         }
 501         if (isset($boxes->mbxs[0]) && !$boxes->is_root ) echo '</div>'."\n\n";
 502     }
 503 }
 504
 505
 506
 507
 508 /* -------------------- MAIN ------------------------ */
 509
 510 $key = $_COOKIE['key'];
 511 $onetimepad = $_SESSION['onetimepad'];
 512 $username = $_SESSION['username'];
 513 $delimiter = $_SESSION['delimiter'];
 514
 515 if (isset($_GET['fold'])) {
 516     $fold = $_GET['fold'];
 517 }
 518 if (isset($_GET['unfold'])) {
 519     $unfold = $_GET['unfold'];
 520 }
 521
 522 // open a connection on the imap port (143)
 523 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 524
 525 /**
 526  * Using stristr since older preferences may contain "None" and "none".
 527  */
 528 if (isset($left_refresh) && ($left_refresh != '') &&
 529     !stristr($left_refresh, 'none')){
 530     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 531              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 532              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 533 } else {
 534     $xtra = '';
 535 }
 536
 537 /**
 538  * $advanced_tree and $oldway are boolean vars which are default set to default
 539  * SM behaviour.
 540  * Setting $oldway to false causes left_main.php to use the new  experimental
 541  * way of getting the mailbox-tree.
 542  * Setting $advanced tree to true causes SM to display a experimental
 543  * mailbox-tree with dhtml behaviour.
 544  * It only works on browsers which supports css and javascript. The used
 545  * javascript is experimental and doesn't support all browsers. It is tested on
 546  * IE6 an Konquerer 3.0.0-2.
 547  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 548  * setting this to true is only usefull if the images exists in ../images.
 549  *
 550  * Feel free to experiment with the code and report bugs and enhancements
 551  * to marc@its-projects.nl
 552  **/
 553
 554 $advanced_tree = false; /* set this to true if you want to see a nicer mailboxtree */
 555 $oldway = true; /* default SM behaviour */
 556
 557 if ($advanced_tree) {
 558 $xtra .= <<<ECHO
 559 <script language="Javascript" TYPE="text/javascript">
 560
 561 <!--
 562
 563     function hidechilds(el) {
 564         id = el.id+".0000";
 565         form_id = "mbx[" + el.id +"F]";
 566         if (document.all) {
 567             ele = document.all[id];
 568             if (ele) {
 569                if(ele.style.display == "none") {
 570                   ele.style.display = "block";
 571                   ele.style.visibility = "visible"
 572                   el.src="../images/minus.gif";
 573                   document.all[form_id].value=0;
 574                } else {
 575                   ele.style.display = "none";
 576                   ele.style.visibility = "hidden"
 577                   el.src="../images/plus.gif";
 578                   document.all[form_id].value=1;
 579                }
 580             }
 581         } else if (document.getElementById) {
 582             ele = document.getElementById(id);
 583             if (ele) {
 584                if(ele.style.display == "none") {
 585                   ele.style.display = "block";
 586                   ele.style.visibility = "visible"
 587                   el.src="../images/minus.gif";
 588                   document.getElementById(form_id).value=0;
 589                } else {
 590                   ele.style.display = "none";
 591                   ele.style.visibility = "hidden"
 592                   el.src="../images/plus.gif";
 593                   document.getElementById(form_id).value=1;
 594                }
 595             }
 596         }
 597    }
 598
 599    function preload() {
 600      if (!document.images) return;
 601      var ar = new Array();
 602      var arguments = preload.arguments;
 603      for (var i = 0; i<arguments.length; i++) {
 604         ar[i] = new Image();
 605         ar[i].src = arguments[i];
 606      }
 607    }
 608
 609    function buttonover(el,on) {
 610       if (!on) {
 611          el.style.borderColor="blue";}
 612       else {
 613          el.style.borderColor="orange";}
 614    }
 615
 616    function buttonclick(el,on) {
 617       if (!on) {
 618          el.style.border="groove"}
 619       else {
 620          el.style.border="ridge";}
 621    }
 622
 623    function hideframe(hide) {
 624
 625 ECHO;
 626 $xtra .= "      left_size = \"$left_size\";\n";
 627 $xtra .= <<<ECHO
 628       if (document.all) {
 629         masterf = window.parent.document.all["fs1"];
 630         leftf = window.parent.document.all["left"];
 631         leftcontent = document.all["leftframe"];
 632         leftbutton = document.all["showf"];
 633       } else if (document.getElementById) {
 634         masterf = window.parent.document.getElementById("fs1");
 635         leftf = window.parent.document.getElementById("left");
 636         leftcontent = document.getElementById("leftframe");
 637         leftbutton = document.getElementById("showf");
 638       } else {
 639         return false;
 640       }
 641       if(hide) {
 642          new_col = calc_col("20");
 643          masterf.cols = new_col;
 644          document.body.scrollLeft=0;
 645          document.body.style.overflow='hidden';
 646          leftcontent.style.display = 'none';
 647          leftbutton.style.display='block';
 648       } else {
 649          masterf.cols = calc_col(left_size);
 650          document.body.style.overflow='';
 651          leftbutton.style.display='none';
 652          leftcontent.style.display='block';
 653
 654       }
 655    }
 656
 657    function calc_col(c_w) {
 658
 659 ECHO;
 660    if ($location_of_bar == 'right') {
 661        $xtra .= '     right=true;';
 662    } else {
 663        $xtra .= '     right=false;';
 664    }
 665    $xtra .= "\n";
 666 $xtra .= <<<ECHO
 667      if (right) {
 668          new_col = '*,'+c_w;
 669      } else {
 670          new_col = c_w+',*';
 671      }
 672      return new_col;
 673    }
 674
 675    function resizeframe(direction) {
 676      if (document.all) {
 677         masterf = window.parent.document.all["fs1"];
 678      } else if (document.getElementById) {
 679         window.parent.document.getElementById("fs1");
 680      } else {
 681         return false;
 682      }
 683
 684 ECHO;
 685    if ($location_of_bar == 'right') {
 686        $xtra .= '  colPat=/^\*,(\d+)$/;';
 687    } else {
 688        $xtra .= '  colPat=/^(\d+),.*$/;';
 689    }
 690    $xtra .= "\n";
 691
 692 $xtra .= <<<ECHO
 693      old_col = masterf.cols;
 694      colPat.exec(old_col);
 695
 696      if (direction) {
 697         new_col_width = parseInt(RegExp.$1) + 25;
 698
 699      } else {
 700         if (parseInt(RegExp.$1) > 35) {
 701            new_col_width = parseInt(RegExp.$1) - 25;
 702         }
 703      }
 704      masterf.cols = calc_col(new_col_width);
 705    }
 706
 707 //-->
 708
 709 </script>
 710
 711 ECHO;
 712
 713 /* style definitions */
 714
 715 $xtra .= <<<ECHO
 716
 717 <style type="text/css">
 718 <!--
 719   body {
 720      margin: 0px 0px 0px 0px;
 721      padding: 5px 5px 5px 5px;
 722   }
 723
 724   .button {
 725      border:outset;
 726      border-color:blue;
 727      background:white;
 728      width:99%;
 729      heigth:99%;
 730   }
 731
 732   .mbx_par {
 733      font-size:0.8em;
 734      margin-left:4px;
 735      margin-right:0px;
 736   }
 737
 738   a.mbx_link {
 739       text-decoration: none;
 740       background-color: $color[0];
 741       display: inline;
 742   }
 743
 744   a:hover.mbx_link {
 745       background-color: $color[9];
 746   }
 747
 748   a.mbx_link img {
 749       border-style: none;
 750   }
 751
 752   .mbx_sub {
 753      padding-left:5px;
 754      padding-right:0px;
 755      margin-left:4px;
 756      margin-right:0px;
 757      font-size:0.7em;
 758   }
 759
 760   .par_area {
 761      margin-top:0px;
 762      margin-left:4px;
 763      margin-right:0px;
 764      padding-left:10px;
 765      padding-bottom:5px;
 766      border-left: solid;
 767      border-left-width:0.1em;
 768      border-left-color:blue;
 769      border-bottom: solid;
 770      border-bottom-width:0.1em;
 771      border-bottom-color:blue;
 772      display: block;
 773   }
 774
 775   .mailboxes {
 776      padding-bottom:3px;
 777      margin-right:4px;
 778      padding-right:4px;
 779      margin-left:4px;
 780      padding-left:4px;
 781      border: groove;
 782      border-width:0.1em;
 783      border-color:green;
 784      background: $color[0];
 785   }
 786
 787 -->
 788
 789 </style>
 790
 791 ECHO;
 792
 793 }
 794
 795
 796
 797
 798 displayHtmlHeader( 'SquirrelMail', $xtra );
 799
 800 /* If requested and not yet complete, attempt to autocreate folders. */
 801 if ($auto_create_special && !isset($auto_create_done)) {
 802     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 803     foreach( $autocreate as $folder ) {
 804         if (($folder != '') && ($folder != 'none')) {
 805             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 806                 sqimap_mailbox_create($imapConnection, $folder, '');
 807             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 808                 sqimap_subscribe($imapConnection, $folder);
 809             }
 810         }
 811     }
 812
 813     /* Let the world know that autocreation is complete! Hurrah! */
 814     $auto_create_done = TRUE;
 815     sqsession_register($auto_create_done, 'auto_create_done');
 816 }
 817
 818 echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 819
 820 do_hook('left_main_before');
 821 if ($advanced_tree) {
 822    /* nice future feature, needs layout !! volunteers?   */
 823    $right_pos = $left_size - 20;
 824    echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 825    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 826    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 827    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 828    echo '<div ID="leftframe"><br /><br />';
 829 }
 830
 831 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 832     html_tag( 'tr' ) .
 833     html_tag( 'td', '', 'left' ) .
 834     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 835
 836 if ($date_format != 6) {
 837     /* First, display the clock. */
 838     if ($hour_format == 1) {
 839         $hr = 'G:i';
 840         if ($date_format == 4) {
 841             $hr .= ':s';
 842         }
 843     } else {
 844         if ($date_format == 4) {
 845             $hr = 'g:i:s a';
 846         } else {
 847             $hr = 'g:i a';
 848         }
 849     }
 850
 851     switch( $date_format ) {
 852     case 1:
 853         $clk = date('m/d/y '.$hr, time());
 854         break;
 855     case 2:
 856         $clk = date('d/m/y '.$hr, time());
 857         break;
 858     case 4:
 859     case 5:
 860         $clk = date($hr, time());
 861         break;
 862     default:
 863         $clk = substr( getDayName( date( 'w', time() ) ), 0, 3 ) . date( ', ' . $hr, time() );
 864     }
 865     $clk = str_replace(' ','&nbsp;',$clk);
 866
 867     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 868          ": $clk</small></center>";
 869 }
 870
 871 /* Next, display the refresh button. */
 872 echo '<small>(<a href="../src/left_main.php" target="left">'.
 873      _("refresh folder list") . '</a>)</small></center><br />';
 874
 875 /* Lastly, display the folder list. */
 876 if ( $collapse_folders ) {
 877     /* If directed, collapse or uncollapse a folder. */
 878     if (isset($fold)) {
 879         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 880     } else if (isset($unfold)) {
 881         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 882     }
 883 }
 884
 885 if ($oldway) {  /* normal behaviour SM */
 886
 887 $boxes = sqimap_mailbox_list($imapConnection);
 888 /* Prepare do do out collapsedness and visibility computation. */
 889 $curbox = 0;
 890 $boxcount = count($boxes);
 891
 892 /* Compute the collapsedness and visibility of each box. */
 893
 894 while ($curbox < $boxcount) {
 895     $boxes[$curbox]['visible'] = TRUE;
 896     compute_folder_children($curbox, $boxcount);
 897 }
 898
 899
 900 for ($i = 0; $i < count($boxes); $i++) {
 901     if ( $boxes[$i]['visible'] ) {
 902         $mailbox = $boxes[$i]['formatted'];
 903         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
 904
 905         /* Create the prefix for the folder name and link. */
 906         $prefix = str_repeat('  ',$mblevel);
 907         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
 908             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
 909                       create_collapse_link($i) . '&nbsp;';
 910         } else {
 911             $prefix = str_replace(' ','&nbsp;',$prefix);
 912         }
 913         $line = "<nobr><tt>$prefix</tt>";
 914
 915         /* Add the folder name and link. */
 916         if (! isset($color[15])) {
 917             $color[15] = $color[6];
 918         }
 919
 920         if (in_array('noselect', $boxes[$i]['flags'])) {
 921             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
 922                 $line .= "<font color=\"$color[11]\">";
 923             } else {
 924                 $line .= "<font color=\"$color[15]\">";
 925             }
 926             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
 927                 $mailbox = str_replace('&nbsp;','',$mailbox);
 928                 $line .= str_replace(' ', '&nbsp;', $mailbox);
 929             }
 930             $line .= '</font>';
 931         } else {
 932             $line .= formatMailboxName($imapConnection, $boxes[$i]);
 933         }
 934
 935         /* Put the final touches on our folder line. */
 936         $line .= "</nobr><br>\n";
 937
 938         /* Output the line for this folder. */
 939         echo $line;
 940     }
 941 }
 942 } else {  /* expiremental code */
 943     $boxes = sqimap_mailbox_tree($imapConnection);
 944     if (isset($advanced_tree) && $advanced_tree) {
 945         echo '<form name="collapse" action="left_main.php" method="post" ' .
 946             'enctype="multipart/form-data"'."\n";
 947         echo '<small><button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br /><br />';
 948         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
 949         if (!isset($mbx)) $mbx=NULL;
 950             ListAdvancedBoxes($boxes, $mbx);
 951         echo '</div></small>'."\n";
 952         echo '</form>'."\n";
 953     } else {
 954         ListBoxes($boxes);
 955     }
 956 } /* if ($oldway) else ... */
 957 do_hook('left_main_after');
 958 sqimap_logout($imapConnection);
 959
 960 echo '</td></tr></table>' . "\n".
 961     "</div></body></html>\n";
 962
 963 ?>