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     $unseen = 0;
 292
 293     /* Get unseen/total display prefs */
 294     $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
 295     $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
 296
 297     if (isset($boxes) && !empty($boxes)) {
 298         $mailbox = $boxes->mailboxname_full;
 299         $leader = '<tt>';
 300         $leader .= str_repeat('&nbsp;&nbsp;',$j);
 301         $mailboxURL = urlencode($mailbox);
 302
 303         /* get unseen/total messages information */
 304         /* Only need to display info when option is set */
 305         if (isset($unseen_notify) && ($unseen_notify > 1)) {
 306
 307             if ($boxes->unseen !== false) {
 308                 $unseen = $boxes->unseen;
 309             } else {
 310                 $unseen = 0;
 311             }
 312
 313             /*
 314                 Should only display unseen info if the folder is inbox
 315                 or you set the option for all folders
 316             */
 317
 318             if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 319                 $unseen_string = $unseen;
 320
 321
 322                 /* If users requests, display message count too */
 323                 if (isset($unseen_type) && ($unseen_type == 2)) {
 324                     $numMessages = $boxes->total;
 325                     $unseen_string .= '/' . $numMessages;
 326                 }
 327
 328                 $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 329
 330                 /*
 331                     Finally allow the script to display the values by setting a boolean.
 332                     This can only occur if the unseen count is great than 0 (if you have
 333                     unseen count only), or you have the message count too.
 334                 */
 335                 if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 336                     $unseen_found = true;
 337                 }
 338
 339             }
 340
 341         }
 342
 343         if (isset($boxes->mbxs[0]) && $collapse_folders) {
 344             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 345             $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 346
 347             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 348             if ($collapse) {
 349                 $link .= "unfold=$mailboxURL\">$leader+&nbsp;</tt>";
 350             } else {
 351                 $link .= "fold=$mailboxURL\">$leader-&nbsp;</tt>";
 352             }
 353             $link .= '</a>';
 354             $pre .= $link;
 355         } else {
 356             $pre.= $leader . '&nbsp;&nbsp;</tt>';
 357         }
 358
 359         /* If there are unseen message, bold the line. */
 360         if (($move_to_trash) && ($mailbox == $trash_folder)) {
 361             if (! isset($boxes->total)) {
 362                 $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
 363             }
 364             if ($unseen > 0) {
 365                 $pre .= '<b>';
 366             }
 367             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 368             if ($unseen > 0) {
 369                 $end .= '</b>';
 370             }
 371             $end .= '</a>';
 372             if ($boxes->total > 0) {
 373                 if ($unseen > 0) {
 374                     $pre .= '<b>';
 375                 }
 376                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 377                 if ($unseen > 0) {
 378                     $end .= '</b>';
 379                 }
 380                 $end .= "\n<small>\n" .
 381                         "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 382                         "</small>";
 383             }
 384         } else {
 385             if (!$boxes->is_noselect || strtolower($boxes->mailboxname_full)=="inbox") {
 386                 if ($unseen > 0) {
 387                     $pre .= '<b>';
 388                 }
 389                 $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 390                 if ($unseen > 0) {
 391                     $end .= '</b>';
 392                 }
 393                 $end .= '</a>';
 394             }
 395         }
 396
 397         /* Print unseen information. */
 398         if (isset($unseen_found) && $unseen_found) {
 399             $end .= "&nbsp;<small>$unseen_string</small>";
 400         }
 401
 402         $font = '';
 403         $fontend = '';
 404         if ($boxes->is_special) {
 405             $font = "<font color=\"$color[11]\">";
 406             $fontend = "</font>";
 407         }
 408         $end .= '</nobr>';
 409
 410         if (!$boxes->is_root) {
 411             echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
 412             $j++;
 413         }
 414
 415         if (!$collapse || $boxes->is_root) {
 416             for ($i = 0; $i <count($boxes->mbxs); $i++) {
 417                 listBoxes($boxes->mbxs[$i],$j);
 418             }
 419         }
 420     }
 421 }
 422
 423 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 424     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 425     $move_to_trash, $trash_folder, $collapse_folders;
 426
 427     /* use_folder_images only works if the images exist in ../images */
 428     $use_folder_images = true;
 429
 430     $pre = '';
 431     $end = '';
 432     $collapse = false;
 433     $unseen_found = false;
 434     $unseen = 0;
 435
 436     if ($boxes) {
 437     $mailbox = $boxes->mailboxname_full;
 438     $mailboxURL = urlencode($mailbox);
 439
 440     /* Only need to display info when option is set */
 441     if (isset($unseen_notify) && ($unseen_notify > 1)) {
 442
 443         if ($boxes->unseen !== false) {
 444             $unseen = $boxes->unseen;
 445         } else {
 446             $unseen = 0;
 447         }
 448
 449         /*
 450             Should only display unseen info if the folder is inbox
 451             or you set the option for all folders
 452         */
 453
 454         if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 455             $unseen_string = $unseen;
 456
 457
 458             /* If users requests, display message count too */
 459             if (isset($unseen_type) && ($unseen_type == 2)) {
 460                 $numMessages = $boxes->total;
 461                 $unseen_string .= '/' . $numMessages;
 462             }
 463
 464             $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 465
 466             /*
 467                 Finally allow the script to display the values by setting a boolean.
 468                 This can only occur if the unseen count is great than 0 (if you have
 469                 unseen count only), or you have the message count too.
 470             */
 471             if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 472                 $unseen_found = true;
 473             }
 474
 475         }
 476
 477     }
 478
 479     /* If there are unseen message, bold the line. */
 480     if ($unseen > 0) { $pre .= '<b>'; }
 481
 482     /* color special boxes */
 483     if ($boxes->is_special) {
 484             $pre .= "<font color=\"$color[11]\">";
 485         $end .= '</font>';
 486     }
 487
 488     /* If there are unseen message, close bolding. */
 489     if ($unseen > 0) { $end .= '</b>'; }
 490
 491     /* Print unseen information. */
 492     if (isset($unseen_found) && $unseen_found) {
 493             $end .= "&nbsp;$unseen_string";
 494     }
 495
 496     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 497             if (! isset($numMessages)) {
 498             $numMessages = $boxes->total;
 499             }
 500             if ($numMessages > 0) {
 501             $urlMailbox = urlencode($mailbox);
 502             $pre .= "\n<small>\n" .
 503                     "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 504                     "</small>";
 505             }
 506     } else {
 507         if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 508         $pre .= "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">";
 509         $end .= '</a>';
 510         }
 511     }
 512
 513     if (!$boxes->is_root) {
 514         if ($use_folder_images) {
 515           if ($boxes->is_inbox) {
 516         $folder_img = '../images/inbox.gif';
 517           } else if ($boxes->is_sent) {
 518         $folder_img = '../images/senti.gif';
 519           } else if ($boxes->is_trash) {
 520         $folder_img = '../images/delitem.gif';
 521           } else if ($boxes->is_draft) {
 522         $folder_img = '../images/draft.gif';
 523           } else $folder_img = '../images/folder.gif';
 524           $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 525         } else $folder_img = '';
 526         if (!isset($boxes->mbxs[0])) {
 527             echo '   ' . html_tag( 'div',
 528                             $pre . $folder_img . $boxes->mailboxname_sub . $end ,
 529                     'left', '', 'class="mbx_sub" id="' .$j. '"' )
 530                 . "\n";
 531         } else {
 532             /* get collapse information */
 533         if ($collapse_folders) {
 534             $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 535             $form_entry = $j.'F';
 536             if (isset($mbx) && isset($mbx[$form_entry])) {
 537                 $collapse = $mbx[$form_entry];
 538             if ($collapse) {
 539                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_COLLAPSED);
 540             } else {
 541                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , SM_BOX_UNCOLLAPSED);
 542             }
 543             } else {
 544             $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 545                 $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 546             }
 547             if ($collapse) {
 548                 $link = '<a href="javascript:void(0)">'." <img src=\"../images/plus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 549             } else {
 550                 $link = '<a href="javascript:void(0)">'."<img src=\"../images/minus.gif\" border=\"1\" id=$j onclick=\"hidechilds(this)\" /></a>";
 551             }
 552             $collapse_link = $link;
 553         } else $collapse_link='';
 554             echo '   ' . html_tag( 'div',
 555                             $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 556                     'left', '', 'class="mbx_par" id="' .$j. 'P"' )
 557                 . "\n";
 558         echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 559         }
 560     }
 561     if ($collapse) {
 562         $visible = ' style="display:none;"';
 563     } else {
 564         $visible = ' style="display:block;"';
 565     }
 566
 567     if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 568         echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 569
 570         if ($j !='ID.0000') {
 571            $j = $j .'.0000';
 572     }
 573         for ($i = 0; $i <count($boxes->mbxs); $i++) {
 574         $j++;
 575             listAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 576         }
 577     if (isset($boxes->mbxs[0]) && !$boxes->is_root ) echo '</div>'."\n\n";
 578     }
 579 }
 580
 581
 582
 583
 584 /* -------------------- MAIN ------------------------ */
 585
 586 /* get globals */
 587 sqgetGlobalVar('username', $username, SQ_SESSION);
 588 sqgetGlobalVar('key', $key, SQ_COOKIE);
 589 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 590 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
 591
 592 sqgetGlobalVar('fold', $fold, SQ_GET);
 593 sqgetGlobalVar('unfold', $unfold, SQ_GET);
 594
 595 /* end globals */
 596
 597 // open a connection on the imap port (143)
 598 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 599
 600 /**
 601  * Using stristr since older preferences may contain "None" and "none".
 602  */
 603 if (isset($left_refresh) && ($left_refresh != '') &&
 604     !stristr($left_refresh, 'none')){
 605     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 606              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 607              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 608 } else {
 609     $xtra = '';
 610 }
 611
 612 /**
 613  * $advanced_tree and $oldway are boolean vars which are default set to default
 614  * SM behaviour.
 615  * Setting $oldway to false causes left_main.php to use the new  experimental
 616  * way of getting the mailbox-tree.
 617  * Setting $advanced tree to true causes SM to display a experimental
 618  * mailbox-tree with dhtml behaviour.
 619  * It only works on browsers which supports css and javascript. The used
 620  * javascript is experimental and doesn't support all browsers. It is tested on
 621  * IE6 an Konquerer 3.0.0-2.
 622  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 623  * setting this to true is only usefull if the images exists in ../images.
 624  *
 625  * Feel free to experiment with the code and report bugs and enhancements
 626  * to marc@its-projects.nl
 627  **/
 628
 629 $advanced_tree = false; /* set this to true if you want to see a nicer mailboxtree */
 630 $oldway = false;        /* default SM behaviour */
 631
 632 if ($advanced_tree) {
 633 $xtra .= <<<ECHO
 634 <script language="Javascript" TYPE="text/javascript">
 635
 636 <!--
 637
 638     function hidechilds(el) {
 639         id = el.id+".0000";
 640         form_id = "mbx[" + el.id +"F]";
 641     if (document.all) {
 642         ele = document.all[id];
 643         if (ele) {
 644            if(ele.style.display == "none") {
 645                   ele.style.display = "block";
 646               ele.style.visibility = "visible"
 647                   el.src="../images/minus.gif";
 648                   document.all[form_id].value=0;
 649                } else {
 650                   ele.style.display = "none";
 651               ele.style.visibility = "hidden"
 652               el.src="../images/plus.gif";
 653               document.all[form_id].value=1;
 654            }
 655         }
 656     } else if (document.getElementById) {
 657             ele = document.getElementById(id);
 658         if (ele) {
 659            if(ele.style.display == "none") {
 660               ele.style.display = "block";
 661               ele.style.visibility = "visible"
 662               el.src="../images/minus.gif";
 663                   document.getElementById(form_id).value=0;
 664            } else {
 665               ele.style.display = "none";
 666               ele.style.visibility = "hidden"
 667               el.src="../images/plus.gif";
 668                   document.getElementById(form_id).value=1;
 669            }
 670         }
 671     }
 672    }
 673
 674    function preload() {
 675      if (!document.images) return;
 676      var ar = new Array();
 677      var arguments = preload.arguments;
 678      for (var i = 0; i<arguments.length; i++) {
 679         ar[i] = new Image();
 680     ar[i].src = arguments[i];
 681      }
 682    }
 683
 684    function buttonover(el,on) {
 685       if (!on) {
 686          el.style.borderColor="blue";}
 687       else {
 688          el.style.borderColor="orange";}
 689    }
 690
 691    function buttonclick(el,on) {
 692       if (!on) {
 693          el.style.border="groove"}
 694       else {
 695          el.style.border="ridge";}
 696    }
 697
 698    function hideframe(hide) {
 699
 700 ECHO;
 701 $xtra .= "      left_size = \"$left_size\";\n";
 702 $xtra .= <<<ECHO
 703       if (document.all) {
 704         masterf = window.parent.document.all["fs1"];
 705     leftf = window.parent.document.all["left"];
 706     leftcontent = document.all["leftframe"];
 707     leftbutton = document.all["showf"];
 708       } else if (document.getElementById) {
 709     masterf = window.parent.document.getElementById("fs1");
 710     leftf = window.parent.document.getElementById("left");
 711     leftcontent = document.getElementById("leftframe");
 712     leftbutton = document.getElementById("showf");
 713       } else {
 714         return false;
 715       }
 716       if(hide) {
 717          new_col = calc_col("20");
 718          masterf.cols = new_col;
 719      document.body.scrollLeft=0;
 720      document.body.style.overflow='hidden';
 721      leftcontent.style.display = 'none';
 722      leftbutton.style.display='block';
 723       } else {
 724          masterf.cols = calc_col(left_size);
 725      document.body.style.overflow='';
 726      leftbutton.style.display='none';
 727      leftcontent.style.display='block';
 728
 729       }
 730    }
 731
 732    function calc_col(c_w) {
 733
 734 ECHO;
 735    if ($location_of_bar == 'right') {
 736        $xtra .= '     right=true;';
 737    } else {
 738        $xtra .= '     right=false;';
 739    }
 740    $xtra .= "\n";
 741 $xtra .= <<<ECHO
 742      if (right) {
 743          new_col = '*,'+c_w;
 744      } else {
 745          new_col = c_w+',*';
 746      }
 747      return new_col;
 748    }
 749
 750    function resizeframe(direction) {
 751      if (document.all) {
 752         masterf = window.parent.document.all["fs1"];
 753      } else if (document.getElementById) {
 754     window.parent.document.getElementById("fs1");
 755      } else {
 756         return false;
 757      }
 758
 759 ECHO;
 760    if ($location_of_bar == 'right') {
 761        $xtra .= '  colPat=/^\*,(\d+)$/;';
 762    } else {
 763        $xtra .= '  colPat=/^(\d+),.*$/;';
 764    }
 765    $xtra .= "\n";
 766
 767 $xtra .= <<<ECHO
 768      old_col = masterf.cols;
 769      colPat.exec(old_col);
 770
 771      if (direction) {
 772         new_col_width = parseInt(RegExp.$1) + 25;
 773
 774      } else {
 775         if (parseInt(RegExp.$1) > 35) {
 776            new_col_width = parseInt(RegExp.$1) - 25;
 777         }
 778      }
 779      masterf.cols = calc_col(new_col_width);
 780    }
 781
 782 //-->
 783
 784 </script>
 785
 786 ECHO;
 787
 788 /* style definitions */
 789
 790 $xtra .= <<<ECHO
 791
 792 <style type="text/css">
 793 <!--
 794   body {
 795      margin: 0px 0px 0px 0px;
 796      padding: 5px 5px 5px 5px;
 797   }
 798
 799   .button {
 800      border:outset;
 801      border-color:blue;
 802      background:white;
 803      width:99%;
 804      heigth:99%;
 805   }
 806
 807   .mbx_par {
 808      font-size:0.8em;
 809      margin-left:4px;
 810      margin-right:0px;
 811   }
 812
 813   a.mbx_link {
 814       text-decoration: none;
 815       background-color: $color[0];
 816       display: inline;
 817   }
 818
 819   a:hover.mbx_link {
 820       background-color: $color[9];
 821   }
 822
 823   a.mbx_link img {
 824       border-style: none;
 825   }
 826
 827   .mbx_sub {
 828      padding-left:5px;
 829      padding-right:0px;
 830      margin-left:4px;
 831      margin-right:0px;
 832      font-size:0.7em;
 833   }
 834
 835   .par_area {
 836      margin-top:0px;
 837      margin-left:4px;
 838      margin-right:0px;
 839      padding-left:10px;
 840      padding-bottom:5px;
 841      border-left: solid;
 842      border-left-width:0.1em;
 843      border-left-color:blue;
 844      border-bottom: solid;
 845      border-bottom-width:0.1em;
 846      border-bottom-color:blue;
 847      display: block;
 848   }
 849
 850   .mailboxes {
 851      padding-bottom:3px;
 852      margin-right:4px;
 853      padding-right:4px;
 854      margin-left:4px;
 855      padding-left:4px;
 856      border: groove;
 857      border-width:0.1em;
 858      border-color:green;
 859      background: $color[0];
 860   }
 861
 862 -->
 863
 864 </style>
 865
 866 ECHO;
 867
 868 }
 869
 870
 871
 872
 873 displayHtmlHeader( 'SquirrelMail', $xtra );
 874
 875 /* If requested and not yet complete, attempt to autocreate folders. */
 876 if ($auto_create_special && !isset($auto_create_done)) {
 877     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 878     foreach( $autocreate as $folder ) {
 879         if (($folder != '') && ($folder != 'none')) {
 880             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 881                 sqimap_mailbox_create($imapConnection, $folder, '');
 882             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 883                 sqimap_subscribe($imapConnection, $folder);
 884             }
 885         }
 886     }
 887
 888     /* Let the world know that autocreation is complete! Hurrah! */
 889     $auto_create_done = TRUE;
 890     sqsession_register($auto_create_done, 'auto_create_done');
 891 }
 892
 893 echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 894
 895 do_hook('left_main_before');
 896 if ($advanced_tree) {
 897    /* nice future feature, needs layout !! volunteers?   */
 898    $right_pos = $left_size - 20;
 899    echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 900    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 901    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 902    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 903    echo '<div ID="leftframe"><br /><br />';
 904 }
 905
 906 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 907     html_tag( 'tr' ) .
 908     html_tag( 'td', '', 'left' ) .
 909     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 910
 911 if ($date_format != 6) {
 912     /* First, display the clock. */
 913     if ($hour_format == 1) {
 914         $hr = 'G:i';
 915         if ($date_format == 4) {
 916             $hr .= ':s';
 917         }
 918     } else {
 919         if ($date_format == 4) {
 920             $hr = 'g:i:s a';
 921         } else {
 922             $hr = 'g:i a';
 923         }
 924     }
 925
 926     switch( $date_format ) {
 927     case 1:
 928         $clk = date('m/d/y '.$hr, time());
 929         break;
 930     case 2:
 931         $clk = date('d/m/y '.$hr, time());
 932         break;
 933     case 4:
 934     case 5:
 935         $clk = date($hr, time());
 936         break;
 937     default:
 938         $clk = substr( getDayName( date( 'w', time() ) ), 0, 3 ) . date( ', ' . $hr, time() );
 939     }
 940     $clk = str_replace(' ','&nbsp;',$clk);
 941
 942     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 943          ": $clk</small></center>";
 944 }
 945
 946 /* Next, display the refresh button. */
 947 echo '<small>(<a href="../src/left_main.php" target="left">'.
 948      _("refresh folder list") . '</a>)</small></center><br />';
 949
 950 /* Lastly, display the folder list. */
 951 if ( $collapse_folders ) {
 952     /* If directed, collapse or uncollapse a folder. */
 953     if (isset($fold)) {
 954         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
 955     } else if (isset($unfold)) {
 956         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
 957     }
 958 }
 959
 960 if ($oldway) {  /* normal behaviour SM */
 961
 962 $boxes = sqimap_mailbox_list($imapConnection);
 963 /* Prepare do do out collapsedness and visibility computation. */
 964 $curbox = 0;
 965 $boxcount = count($boxes);
 966
 967 /* Compute the collapsedness and visibility of each box. */
 968
 969 while ($curbox < $boxcount) {
 970     $boxes[$curbox]['visible'] = TRUE;
 971     compute_folder_children($curbox, $boxcount);
 972 }
 973
 974 for ($i = 0; $i < count($boxes); $i++) {
 975     if ( $boxes[$i]['visible'] ) {
 976         $mailbox = $boxes[$i]['formatted'];
 977         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
 978
 979         /* Create the prefix for the folder name and link. */
 980         $prefix = str_repeat('  ',$mblevel);
 981         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
 982             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
 983                       create_collapse_link($i) . '&nbsp;';
 984         } else {
 985             $prefix = str_replace(' ','&nbsp;',$prefix);
 986         }
 987         $line = "<nobr><tt>$prefix</tt>";
 988
 989         /* Add the folder name and link. */
 990         if (! isset($color[15])) {
 991             $color[15] = $color[6];
 992         }
 993
 994         if (in_array('noselect', $boxes[$i]['flags'])) {
 995             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
 996                 $line .= "<font color=\"$color[11]\">";
 997             } else {
 998                 $line .= "<font color=\"$color[15]\">";
 999             }
1000             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
1001                 $mailbox = str_replace('&nbsp;','',$mailbox);
1002                 $line .= str_replace(' ', '&nbsp;', $mailbox);
1003             }
1004             $line .= '</font>';
1005         } else {
1006             $line .= formatMailboxName($imapConnection, $boxes[$i]);
1007         }
1008
1009         /* Put the final touches on our folder line. */
1010         $line .= "</nobr><br>\n";
1011
1012         /* Output the line for this folder. */
1013         echo $line;
1014     }
1015 }
1016 } else {  /* expiremental code */
1017     $boxes = sqimap_mailbox_tree($imapConnection);
1018     if (isset($advanced_tree) && $advanced_tree) {
1019         echo '<form name="collapse" action="left_main.php" method="post" ' .
1020              'enctype="multipart/form-data"'."\n";
1021         echo '<small><button type="submit" class="button" onmouseover="buttonover(this,true)" onmouseout="buttonover(this,false)" onmousedown="buttonclick(this,true)" onmouseup="buttonclick(this,false)">'. _("Save folder tree") .'</button><br /><br />';
1022         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
1023         if (!isset($mbx)) $mbx=NULL;
1024         ListAdvancedBoxes($boxes, $mbx);
1025         echo '</div></small>'."\n";
1026         echo '</form>'."\n";
1027     } else {
1028         //sqimap_get_status_mbx_tree($imap_stream,$boxes)
1029         ListBoxes($boxes);
1030     }
1031 } /* if ($oldway) else ... */
1032 do_hook('left_main_after');
1033 sqimap_logout($imapConnection);
1034
1035 echo '</td></tr></table>' . "\n".
1036     "</div></body></html>\n";
1037
1038 ?>