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     $tmp_status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
  51     if ($status !== false) {
  52         $status = $tmp_status;
  53     }
  54     }
  55     list($unseen_string, $unseen) = $status;
  56     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  57
  58     /* Start off with a blank line. */
  59     $line = '';
  60
  61     /* If there are unseen message, bold the line. */
  62     if ($unseen > 0) { $line .= '<B>'; }
  63
  64     /* Create the link for this folder. */
  65     if ($status !== false) {
  66     $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  67                 $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  68     }
  69     if ($special_color) {
  70         $line .= "<font color=\"$color[11]\">";
  71     }
  72     if ( $mailbox == 'INBOX' ) {
  73         $line .= _("INBOX");
  74     } else {
  75         $line .= str_replace(' ','&nbsp;',$mailbox);
  76     }
  77     if ($special_color == TRUE)
  78         $line .= '</font>';
  79     if ($status !== false) {
  80     $line .= '</a>';
  81     }
  82
  83     /* If there are unseen message, close bolding. */
  84     if ($unseen > 0) { $line .= "</B>"; }
  85
  86     /* Print unseen information. */
  87     if ($unseen_string != '') {
  88         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  89     }
  90
  91     /* If it's the trash folder, show a purge link when needed */
  92     if (($move_to_trash) && ($real_box == $trash_folder)) {
  93         if (! isset($numMessages)) {
  94             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  95         }
  96
  97         if (($numMessages > 0) or ($box_array['parent'] == 1)) {
  98             $urlMailbox = urlencode($real_box);
  99             $line .= "\n<small>\n" .
 100                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 101                     "</small>";
 102         } else {
 103            $line .= concat_hook_function('left_main_after_each_folder',
 104                   array(isset($numMessages) ? $numMessages : '',$real_box,$imapConnection));
 105         }
 106     }
 107
 108     /* Return the final product. */
 109     return ($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, $imapConnection;
 286     $pre = '<nobr>';
 287     $end = '';
 288     $collapse = false;
 289     $unseen_type = 1;
 290     $unseen_notify = 0;
 291
 292     /* Get unseen/total display prefs */
 293     $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
 294     $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
 295
 296     if (isset($boxes) && !empty($boxes)) {
 297         $mailbox = $boxes->mailboxname_full;
 298         $leader = '<tt>';
 299         $leader .= str_repeat('&nbsp;&nbsp;',$j);
 300         $mailboxURL = urlencode($mailbox);
 301         /* get unseen/total messages information */
 302         if ($boxes->unseen !== false || $boxes->total !== false) {
 303             $unseen = $boxes->unseen;
 304             $unseen_string = "($unseen)";
 305             if ($unseen>0||$boxes->total>0) {
 306                 $unseen_found = TRUE;
 307             }
 308             $unseen_before = '<font color="' . $color[11] . '">';
 309             $unseen_after = '</font>';
 310             if ((($unseen_notify == 2) && (strtolower($mailbox) == 'inbox')) || ($unseen_notify == 3)) {
 311                 $unseen_string = '(' . $unseen;
 312
 313                 if ($unseen_type > 1) {
 314                     $unseen_string .= '/' . $boxes->total;
 315                 }
 316                 $unseen_string .= ')';
 317                 $unseen_string = $unseen_before . $unseen_string . $unseen_after;
 318             }
 319         } else {
 320             $unseen = 0;
 321         }
 322
 323         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 324             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 325             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 326
 327             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 328             if ($collapse) {
 329                 $link .= "unfold=$mailboxURL\">$leader+&nbsp;</tt>";
 330             } else {
 331                 $link .= "fold=$mailboxURL\">$leader-&nbsp;</tt>";
 332             }
 333             $link .= '</a>';
 334             $pre .= $link;
 335         } else {
 336             $pre.= $leader . '&nbsp;&nbsp;</tt>';
 337         }
 338
 339         /* If there are unseen message, bold the line. */
 340         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 341             if (! isset($boxes->total)) {
 342                 $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
 343             }
 344             if ($unseen > 0) {
 345                 $pre .= '<b>';
 346             }
 347             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 348             if ($unseen > 0) {
 349                 $end .= '</b>';
 350             }
 351             $end .= '</a>';
 352             if ($boxes->total > 0) {
 353                 if ($unseen > 0) {
 354                     $pre .= '<b>';
 355                 }
 356                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 357                 if ($unseen > 0) {
 358                     $end .= '</b>';
 359                 }
 360                 $end .= "\n<small>\n" .
 361                         "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 362                         "</small>";
 363             }
 364         } else {
 365             if (!$boxes->is_noselect || strtolower($boxes->mailboxname_full)=="inbox") {
 366                 if ($unseen > 0) {
 367                     $pre .= '<b>';
 368                 }
 369                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 370                 if ($unseen > 0) {
 371                     $end .= '</b>';
 372                 }
 373                 $end .= '</a>';
 374             }
 375         }
 376
 377         /* Print unseen information. */
 378         if (isset($unseen_found) && $unseen_found) {
 379             $end .= "&nbsp;<small>$unseen_string</small>";
 380         }
 381
 382         $font = '';
 383         $fontend = '';
 384         if ($boxes->is_special) {
 385             $font = "<font color=\"$color[11]\">";
 386             $fontend = "</font>";
 387         }
 388         $end .= '</nobr>';
 389
 390         if (!$boxes->is_root) {
 391             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
 392             $j++;
 393         }
 394
 395         if (!$collapse || $boxes->is_root) {
 396             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 397                 listBoxes($boxes->mbxs[$i],$j);
 398             }
 399         }
 400     }
 401 }
 402
 403 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 404     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 405     $move_to_trash, $trash_folder, $collapse_folders;
 406
 407     /* use_folder_images only works if the images exist in ../images */
 408     $use_folder_images = true;
 409
 410     $pre = '';
 411     $end = '';
 412     $collapse = false;
 413
 414     if ($boxes) {
 415     $mailbox = $boxes->mailboxname_full;
 416     $mailboxURL = urlencode($mailbox);
 417
 418     /* get unseen/total messages information */
 419     if ($boxes->unseen !== false) {
 420         $unseen = $boxes->unseen;
 421         $unseen_string = "($unseen)";
 422         if ($unseen>0) $unseen_found = TRUE;
 423         if ($boxes->total) {
 424             $numMessages = $boxes->total;
 425             $unseen_string = "<font color=\"$color[11]\">($unseen/$numMessages)</font>";
 426         }
 427     } else $unseen = 0;
 428
 429     /* If there are unseen message, bold the line. */
 430     if ($unseen > 0) { $pre .= '<b>'; }
 431
 432     /* color special boxes */
 433     if ($boxes->is_special) {
 434             $pre .= "<font color=\"$color[11]\">";
 435         $end .= '</font>';
 436     }
 437
 438     /* If there are unseen message, close bolding. */
 439     if ($unseen > 0) { $end .= '</b>'; }
 440
 441     /* Print unseen information. */
 442     if (isset($unseen_found) && $unseen_found) {
 443             $end .= "&nbsp;$unseen_string";
 444     }
 445
 446     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 447             if (! isset($numMessages)) {
 448             $numMessages = $boxes->total;
 449             }
 450             if ($numMessages > 0) {
 451             $urlMailbox = urlencode($mailbox);
 452             $pre .= "\n<small>\n" .
 453                     "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 454                     "</small>";
 455             }
 456     } else {
 457         if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 458         $pre .= "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">";
 459         $end .= '</a>';
 460         }
 461     }
 462
 463     if (!$boxes->is_root) {
 464         if ($use_folder_images) {
 465           if ($boxes->is_inbox) {
 466         $folder_img = '../images/inbox.gif';
 467           } else if ($boxes->is_sent) {
 468         $folder_img = '../images/senti.gif';
 469           } else if ($boxes->is_trash) {
 470         $folder_img = '../images/delitem.gif';
 471           } else if ($boxes->is_draft) {
 472         $folder_img = '../images/draft.gif';
 473           } else $folder_img = '../images/folder.gif';
 474           $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 475         } else $folder_img = '';
 476         if (!isset($boxes->mbxs[0])) {
 477             echo '   ' . html_tag( 'div',
 478                             $pre . $folder_img . $boxes->mailboxname_sub . $end ,
 479                     'left', '', 'class="mbx_sub" id="' .$j. '"' )
 480                 . "\n";
 481         } else {
 482             /* get collapse information */
 483         if ($collapse_folders) {
 484             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 485             $form_entry = $j.'F';
 486             if (isset($mbx) && isset($mbx[$form_entry])) {
 487                 $collapse = $mbx[$form_entry];
 488             if ($collapse) {
 489                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_COLLAPSED);
 490             } else {
 491                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_UNCOLLAPSED);
 492             }
 493             } else {
 494             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 495                 $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 496             }
 497             if ($collapse) {
 498                 $link = '<a href="javascript:void(0)">'." <img src=\"../images/plus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 499             } else {
 500                 $link = '<a href="javascript:void(0)">'."<img src=\"../images/minus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 501             }
 502             $collapse_link = $link;
 503         } else $collapse_link='';
 504             echo '   ' . html_tag( 'div',
 505                             $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 506                     'left', '', 'class="mbx_par" id="' .$j. 'P"' )
 507                 . "\n";
 508         echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 509         }
 510     }
 511     if ($collapse) {
 512         $visible = ' style="display:none;"';
 513     } else {
 514         $visible = ' style="display:block;"';
 515     }
 516
 517     if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 518         echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 519
 520         if ($j !='ID.0000') {
 521            $j = $j .'.0000';
 522     }
 523         for ($i = 0; $i <count($boxes->mbxs); $i++) {
 524         $j++;
 525             listAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 526         }
 527     if (isset($boxes->mbxs[0]) && !$boxes->is_root ) echo '</div>'."\n\n";
 528     }
 529 }
 530
 531
 532
 533
 534 /* -------------------- MAIN ------------------------ */
 535
 536 /* get globals */
 537 sqgetGlobalVar('username', $username, SQ_SESSION);
 538 sqgetGlobalVar('key', $key, SQ_COOKIE);
 539 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 540 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
 541
 542 sqgetGlobalVar('fold', $fold, SQ_GET);
 543 sqgetGlobalVar('unfold', $unfold, SQ_GET);
 544
 545 /* end globals */
 546
 547 // open a connection on the imap port (143)
 548 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 549
 550 /**
 551  * Using stristr since older preferences may contain "None" and "none".
 552  */
 553 if (isset($left_refresh) && ($left_refresh != '') &&
 554     !stristr($left_refresh, 'none')){
 555     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 556              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 557              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 558 } else {
 559     $xtra = '';
 560 }
 561
 562 /**
 563  * $advanced_tree and $oldway are boolean vars which are default set to default
 564  * SM behaviour.
 565  * Setting $oldway to false causes left_main.php to use the new  experimental
 566  * way of getting the mailbox-tree.
 567  * Setting $advanced tree to true causes SM to display a experimental
 568  * mailbox-tree with dhtml behaviour.
 569  * It only works on browsers which supports css and javascript. The used
 570  * javascript is experimental and doesn't support all browsers. It is tested on
 571  * IE6 an Konquerer 3.0.0-2.
 572  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 573  * setting this to true is only usefull if the images exists in ../images.
 574  *
 575  * Feel free to experiment with the code and report bugs and enhancements
 576  * to marc@its-projects.nl
 577  **/
 578
 579 $advanced_tree = false; /* set this to true if you want to see a nicer mailboxtree */
 580 $oldway = false;        /* default SM behaviour */
 581
 582 if ($advanced_tree) {
 583 $xtra .= <<<ECHO
 584 <script language="Javascript" TYPE="text/javascript">
 585
 586 <!--
 587
 588     function hidechilds(el) {
 589         id = el.id+".0000";
 590         form_id = "mbx[" + el.id +"F]";
 591     if (document.all) {
 592         ele = document.all[id];
 593         if (ele) {
 594            if(ele.style.display == "none") {
 595                   ele.style.display = "block";
 596               ele.style.visibility = "visible"
 597                   el.src="../images/minus.gif";
 598                   document.all[form_id].value=0;
 599                } else {
 600                   ele.style.display = "none";
 601               ele.style.visibility = "hidden"
 602               el.src="../images/plus.gif";
 603               document.all[form_id].value=1;
 604            }
 605         }
 606     } else if (document.getElementById) {
 607             ele = document.getElementById(id);
 608         if (ele) {
 609            if(ele.style.display == "none") {
 610               ele.style.display = "block";
 611               ele.style.visibility = "visible"
 612               el.src="../images/minus.gif";
 613                   document.getElementById(form_id).value=0;
 614            } else {
 615               ele.style.display = "none";
 616               ele.style.visibility = "hidden"
 617               el.src="../images/plus.gif";
 618                   document.getElementById(form_id).value=1;
 619            }
 620         }
 621     }
 622    }
 623
 624    function preload() {
 625      if (!document.images) return;
 626      var ar = new Array();
 627      var arguments = preload.arguments;
 628      for (var i = 0; i<arguments.length; i++) {
 629         ar[i] = new Image();
 630     ar[i].src = arguments[i];
 631      }
 632    }
 633
 634    function buttonover(el,on) {
 635       if (!on) {
 636          el.style.borderColor="blue";}
 637       else {
 638          el.style.borderColor="orange";}
 639    }
 640
 641    function buttonclick(el,on) {
 642       if (!on) {
 643          el.style.border="groove"}
 644       else {
 645          el.style.border="ridge";}
 646    }
 647
 648    function hideframe(hide) {
 649
 650 ECHO;
 651 $xtra .= "      left_size = \"$left_size\";\n";
 652 $xtra .= <<<ECHO
 653       if (document.all) {
 654         masterf = window.parent.document.all["fs1"];
 655     leftf = window.parent.document.all["left"];
 656     leftcontent = document.all["leftframe"];
 657     leftbutton = document.all["showf"];
 658       } else if (document.getElementById) {
 659     masterf = window.parent.document.getElementById("fs1");
 660     leftf = window.parent.document.getElementById("left");
 661     leftcontent = document.getElementById("leftframe");
 662     leftbutton = document.getElementById("showf");
 663       } else {
 664         return false;
 665       }
 666       if(hide) {
 667          new_col = calc_col("20");
 668          masterf.cols = new_col;
 669      document.body.scrollLeft=0;
 670      document.body.style.overflow='hidden';
 671      leftcontent.style.display = 'none';
 672      leftbutton.style.display='block';
 673       } else {
 674          masterf.cols = calc_col(left_size);
 675      document.body.style.overflow='';
 676      leftbutton.style.display='none';
 677      leftcontent.style.display='block';
 678
 679       }
 680    }
 681
 682    function calc_col(c_w) {
 683
 684 ECHO;
 685    if ($location_of_bar == 'right') {
 686        $xtra .= '     right=true;';
 687    } else {
 688        $xtra .= '     right=false;';
 689    }
 690    $xtra .= "\n";
 691 $xtra .= <<<ECHO
 692      if (right) {
 693          new_col = '*,'+c_w;
 694      } else {
 695          new_col = c_w+',*';
 696      }
 697      return new_col;
 698    }
 699
 700    function resizeframe(direction) {
 701      if (document.all) {
 702         masterf = window.parent.document.all["fs1"];
 703      } else if (document.getElementById) {
 704     window.parent.document.getElementById("fs1");
 705      } else {
 706         return false;
 707      }
 708
 709 ECHO;
 710    if ($location_of_bar == 'right') {
 711        $xtra .= '  colPat=/^\*,(\d+)$/;';
 712    } else {
 713        $xtra .= '  colPat=/^(\d+),.*$/;';
 714    }
 715    $xtra .= "\n";
 716
 717 $xtra .= <<<ECHO
 718      old_col = masterf.cols;
 719      colPat.exec(old_col);
 720
 721      if (direction) {
 722         new_col_width = parseInt(RegExp.$1) + 25;
 723
 724      } else {
 725         if (parseInt(RegExp.$1) > 35) {
 726            new_col_width = parseInt(RegExp.$1) - 25;
 727         }
 728      }
 729      masterf.cols = calc_col(new_col_width);
 730    }
 731
 732 //-->
 733
 734 </script>
 735
 736 ECHO;
 737
 738 /* style definitions */
 739
 740 $xtra .= <<<ECHO
 741
 742 <style type="text/css">
 743 <!--
 744   body {
 745      margin: 0px 0px 0px 0px;
 746      padding: 5px 5px 5px 5px;
 747   }
 748
 749   .button {
 750      border:outset;
 751      border-color:blue;
 752      background:white;
 753      width:99%;
 754      heigth:99%;
 755   }
 756
 757   .mbx_par {
 758      font-size:0.8em;
 759      margin-left:4px;
 760      margin-right:0px;
 761   }
 762
 763   a.mbx_link {
 764       text-decoration: none;
 765       background-color: $color[0];
 766       display: inline;
 767   }
 768
 769   a:hover.mbx_link {
 770       background-color: $color[9];
 771   }
 772
 773   a.mbx_link img {
 774       border-style: none;
 775   }
 776
 777   .mbx_sub {
 778      padding-left:5px;
 779      padding-right:0px;
 780      margin-left:4px;
 781      margin-right:0px;
 782      font-size:0.7em;
 783   }
 784
 785   .par_area {
 786      margin-top:0px;
 787      margin-left:4px;
 788      margin-right:0px;
 789      padding-left:10px;
 790      padding-bottom:5px;
 791      border-left: solid;
 792      border-left-width:0.1em;
 793      border-left-color:blue;
 794      border-bottom: solid;
 795      border-bottom-width:0.1em;
 796      border-bottom-color:blue;
 797      display: block;
 798   }
 799
 800   .mailboxes {
 801      padding-bottom:3px;
 802      margin-right:4px;
 803      padding-right:4px;
 804      margin-left:4px;
 805      padding-left:4px;
 806      border: groove;
 807      border-width:0.1em;
 808      border-color:green;
 809      background: $color[0];
 810   }
 811
 812 -->
 813
 814 </style>
 815
 816 ECHO;
 817
 818 }
 819
 820
 821
 822
 823 displayHtmlHeader( 'SquirrelMail', $xtra );
 824
 825 /* If requested and not yet complete, attempt to autocreate folders. */
 826 if ($auto_create_special && !isset($auto_create_done)) {
 827     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 828     foreach( $autocreate as $folder ) {
 829         if (($folder != '') && ($folder != 'none')) {
 830             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 831                 sqimap_mailbox_create($imapConnection, $folder, '');
 832             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 833                 sqimap_subscribe($imapConnection, $folder);
 834             }
 835         }
 836     }
 837
 838     /* Let the world know that autocreation is complete! Hurrah! */
 839     $auto_create_done = TRUE;
 840     sqsession_register($auto_create_done, 'auto_create_done');
 841 }
 842
 843 echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 844
 845 do_hook('left_main_before');
 846 if ($advanced_tree) {
 847    /* nice future feature, needs layout !! volunteers?   */
 848    $right_pos = $left_size - 20;
 849    echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 850    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 851    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 852    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 853    echo '<div ID="leftframe"><br /><br />';
 854 }
 855
 856 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 857     html_tag( 'tr' ) .
 858     html_tag( 'td', '', 'left' ) .
 859     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 860
 861 if ($date_format != 6) {
 862     /* First, display the clock. */
 863     if ($hour_format == 1) {
 864         $hr = 'G:i';
 865         if ($date_format == 4) {
 866             $hr .= ':s';
 867         }
 868     } else {
 869         if ($date_format == 4) {
 870             $hr = 'g:i:s a';
 871         } else {
 872             $hr = 'g:i a';
 873         }
 874     }
 875
 876     switch( $date_format ) {
 877     case 1:
 878         $clk = date('m/d/y '.$hr, time());
 879         break;
 880     case 2:
 881         $clk = date('d/m/y '.$hr, time());
 882         break;
 883     case 4:
 884     case 5:
 885         $clk = date($hr, time());
 886         break;
 887     default:
 888         $clk = substr( getDayName( date( 'w', time() ) ), 0, 3 ) . date( ', ' . $hr, time() );
 889     }
 890     $clk = str_replace(' ','&nbsp;',$clk);
 891
 892     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 893          ": $clk</small></center>";
 894 }
 895
 896 /* Next, display the refresh button. */
 897 echo '<small>(<a href="../src/left_main.php" target="left">'.
 898      _("refresh folder list") . '</a>)</small></center><br />';
 899
 900 /* Lastly, display the folder list. */
 901 if ( $collapse_folders ) {
 902     /* If directed, collapse or uncollapse a folder. */
 903     if (isset($fold)) {
 904         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 905     } else if (isset($unfold)) {
 906         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 907     }
 908 }
 909
 910 if ($oldway) {  /* normal behaviour SM */
 911
 912 $boxes = sqimap_mailbox_list($imapConnection);
 913 /* Prepare do do out collapsedness and visibility computation. */
 914 $curbox = 0;
 915 $boxcount = count($boxes);
 916
 917 /* Compute the collapsedness and visibility of each box. */
 918
 919 while ($curbox < $boxcount) {
 920     $boxes[$curbox]['visible'] = TRUE;
 921     compute_folder_children($curbox, $boxcount);
 922 }
 923
 924 for ($i = 0; $i < count($boxes); $i++) {
 925     if ( $boxes[$i]['visible'] ) {
 926         $mailbox = $boxes[$i]['formatted'];
 927         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
 928
 929         /* Create the prefix for the folder name and link. */
 930         $prefix = str_repeat('  ',$mblevel);
 931         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
 932             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
 933                       create_collapse_link($i) . '&nbsp;';
 934         } else {
 935             $prefix = str_replace(' ','&nbsp;',$prefix);
 936         }
 937         $line = "<nobr><tt>$prefix</tt>";
 938
 939         /* Add the folder name and link. */
 940         if (! isset($color[15])) {
 941             $color[15] = $color[6];
 942         }
 943
 944         if (in_array('noselect', $boxes[$i]['flags'])) {
 945             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
 946                 $line .= "<font color=\"$color[11]\">";
 947             } else {
 948                 $line .= "<font color=\"$color[15]\">";
 949             }
 950             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
 951                 $mailbox = str_replace('&nbsp;','',$mailbox);
 952                 $line .= str_replace(' ', '&nbsp;', $mailbox);
 953             }
 954             $line .= '</font>';
 955         } else {
 956             $line .= formatMailboxName($imapConnection, $boxes[$i]);
 957         }
 958
 959         /* Put the final touches on our folder line. */
 960         $line .= "</nobr><br>\n";
 961
 962         /* Output the line for this folder. */
 963         echo $line;
 964     }
 965 }
 966 } else {  /* expiremental code */
 967     $boxes = sqimap_mailbox_tree($imapConnection);
 968     if (isset($advanced_tree) && $advanced_tree) {
 969         echo '<form name="collapse" action="left_main.php" method="post" ' .
 970              'enctype="multipart/form-data"'."\n";
 971         echo '<small><button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br /><br />';
 972         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
 973         if (!isset($mbx)) $mbx=NULL;
 974         ListAdvancedBoxes($boxes, $mbx);
 975         echo '</div></small>'."\n";
 976         echo '</form>'."\n";
 977     } else {
 978         //sqimap_get_status_mbx_tree($imap_stream,$boxes)
 979         ListBoxes($boxes);
 980     }
 981 } /* if ($oldway) else ... */
 982 do_hook('left_main_after');
 983 sqimap_logout($imapConnection);
 984
 985 echo '</td></tr></table>' . "\n".
 986     "</div></body></html>\n";
 987
 988 ?>