src/left_main.php

   1 <?php
   2
   3 /**
   4  * left_main.php
   5  *
   6  * Copyright (c) 1999-2004 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  * @package squirrelmail
  14  */
  15
  16 /** Path for SquirrelMail required files. */
  17 define('SM_PATH','../');
  18
  19 /* SquirrelMail required files. */
  20 require_once(SM_PATH . 'include/validate.php');
  21 require_once(SM_PATH . 'functions/imap.php');
  22 require_once(SM_PATH . 'functions/plugin.php');
  23 require_once(SM_PATH . 'functions/page_header.php');
  24 require_once(SM_PATH . 'functions/html.php');
  25 require_once(SM_PATH . 'functions/date.php');
  26
  27 /* These constants are used for folder stuff. */
  28 define('SM_BOX_UNCOLLAPSED', 0);
  29 define('SM_BOX_COLLAPSED',   1);
  30
  31 /* --------------------- FUNCTIONS ------------------------- */
  32
  33 function formatMailboxName($imapConnection, $box_array) {
  34
  35     global $folder_prefix, $trash_folder, $sent_folder,
  36            $color, $move_to_sent, $move_to_trash,
  37            $unseen_notify, $unseen_type, $collapse_folders,
  38            $draft_folder, $save_as_draft,
  39            $use_special_folder_color;
  40     $real_box = $box_array['unformatted'];
  41     $mailbox = str_replace('&nbsp;','',$box_array['formatted']);
  42     $mailboxURL = urlencode($real_box);
  43
  44     /* Strip down the mailbox name. */
  45     if (ereg("^( *)([^ ]*)$", $mailbox, $regs)) {
  46         $mailbox = $regs[2];
  47     }
  48     $unseen = 0;
  49     $status = array('','');
  50     if (($unseen_notify == 2 && $real_box == 'INBOX') ||
  51         $unseen_notify == 3) {
  52     $tmp_status = create_unseen_string($real_box, $box_array, $imapConnection, $unseen_type );
  53     if ($status !== false) {
  54         $status = $tmp_status;
  55     }
  56     }
  57     list($unseen_string, $unseen) = $status;
  58     $special_color = ($use_special_folder_color && isSpecialMailbox($real_box));
  59
  60     /* Start off with a blank line. */
  61     $line = '';
  62
  63     /* If there are unseen message, bold the line. */
  64     if ($unseen > 0) { $line .= '<B>'; }
  65
  66     /* Create the link for this folder. */
  67     if ($status !== false) {
  68     $line .= '<a href="right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox='.
  69                 $mailboxURL.'" TARGET="right" STYLE="text-decoration:none">';
  70     }
  71     if ($special_color) {
  72         $line .= "<font color=\"$color[11]\">";
  73     }
  74     if ( $mailbox == 'INBOX' ) {
  75         $line .= _("INBOX");
  76     } else {
  77         $line .= str_replace(' ','&nbsp;',$mailbox);
  78     }
  79     if ($special_color == TRUE)
  80         $line .= '</font>';
  81     if ($status !== false) {
  82     $line .= '</a>';
  83     }
  84
  85     /* If there are unseen message, close bolding. */
  86     if ($unseen > 0) { $line .= "</B>"; }
  87
  88     /* Print unseen information. */
  89     if ($unseen_string != '') {
  90         $line .= "&nbsp;<SMALL>$unseen_string</SMALL>";
  91     }
  92
  93     /* If it's the trash folder, show a purge link when needed */
  94     if (($move_to_trash) && ($real_box == $trash_folder)) {
  95         if (! isset($numMessages)) {
  96             $numMessages = sqimap_get_num_messages($imapConnection, $real_box);
  97         }
  98
  99         if (($numMessages > 0) or ($box_array['parent'] == 1)) {
 100             $urlMailbox = urlencode($real_box);
 101             $line .= "\n<small>\n" .
 102                     "&nbsp;&nbsp;(<A HREF=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</A>)" .
 103                     "</small>";
 104         }
 105     }
 106
 107
 108     // let plugins fiddle with end of line
 109     $line .= concat_hook_function('left_main_after_each_folder',
 110         array(isset($numMessages) ? $numMessages : '', $real_box, $imapConnection));
 111
 112
 113     /* Return the final product. */
 114     return ($line);
 115 }
 116
 117 /**
 118  * Recursive function that computes the collapsed status and parent
 119  * (or not parent) status of this box, and the visiblity and collapsed
 120  * status and parent (or not parent) status for all children boxes.
 121  */
 122 function compute_folder_children(&$parbox, $boxcount) {
 123     global $boxes, $data_dir, $username, $collapse_folders;
 124     $nextbox = $parbox + 1;
 125
 126     /* Retreive the name for the parent box. */
 127     $parbox_name = $boxes[$parbox]['unformatted'];
 128
 129     /* 'Initialize' this parent box to childless. */
 130     $boxes[$parbox]['parent'] = FALSE;
 131
 132     /* Compute the collapse status for this box. */
 133     if( isset($collapse_folders) && $collapse_folders ) {
 134         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $parbox_name);
 135         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 136     } else {
 137         $collapse = SM_BOX_UNCOLLAPSED;
 138     }
 139     $boxes[$parbox]['collapse'] = $collapse;
 140
 141     /* Otherwise, get the name of the next box. */
 142     if (isset($boxes[$nextbox]['unformatted'])) {
 143         $nextbox_name = $boxes[$nextbox]['unformatted'];
 144     } else {
 145         $nextbox_name = '';
 146     }
 147
 148     /* Compute any children boxes for this box. */
 149     while (($nextbox < $boxcount) &&
 150            (is_parent_box($boxes[$nextbox]['unformatted'], $parbox_name))) {
 151
 152         /* Note that this 'parent' box has at least one child. */
 153         $boxes[$parbox]['parent'] = TRUE;
 154
 155         /* Compute the visiblity of this box. */
 156         $boxes[$nextbox]['visible'] = ($boxes[$parbox]['visible'] &&
 157                                        ($boxes[$parbox]['collapse'] != SM_BOX_COLLAPSED));
 158
 159         /* Compute the visibility of any child boxes. */
 160         compute_folder_children($nextbox, $boxcount);
 161     }
 162
 163     /* Set the parent box to the current next box. */
 164     $parbox = $nextbox;
 165 }
 166
 167 /**
 168  * Create the link for a parent folder that will allow that
 169  * parent folder to either be collapsed or expaned, as is
 170  * currently appropriate.
 171  */
 172 function create_collapse_link($boxnum) {
 173     global $boxes, $imapConnection, $unseen_notify, $color, $use_icons, $icon_theme;
 174     $mailbox = urlencode($boxes[$boxnum]['unformatted']);
 175
 176     /* Create the link for this collapse link. */
 177     $link = '<a target="left" style="text-decoration:none" ' .
 178             'href="left_main.php?';
 179     if ($boxes[$boxnum]['collapse'] == SM_BOX_COLLAPSED) {
 180         if ($use_icons && $icon_theme != 'none') {
 181             $link .= "unfold=$mailbox\"><IMG src=\"" . SM_PATH . "images/plus.png\" border=\"0\" height=\"7\" width=\"7\">";
 182         } else {
 183             $link .= "unfold=$mailbox\">+";
 184         }
 185     } else {
 186         if ($use_icons && $icon_theme != 'none') {
 187             $link .= "fold=$mailbox\"><IMG src=\"" . SM_PATH . "images/minus.png\" border=\"0\" height=\"7\" width=\"7\">";
 188         } else {
 189             $link .= "fold=$mailbox\">-";
 190         }
 191     }
 192     $link .= '</a>';
 193
 194     /* Return the finished product. */
 195     return ($link);
 196 }
 197
 198 /**
 199  * create_unseen_string:
 200  *
 201  * Create unseen and total message count for both this folder and
 202  * it's subfolders.
 203  *
 204  * @param string $boxName name of the current mailbox
 205  * @param array $boxArray array for the current mailbox
 206  * @param $imapConnection current imap connection in use
 207  * @return array unseen message string (for display), unseen message count
 208  */
 209 function create_unseen_string($boxName, $boxArray, $imapConnection, $unseen_type) {
 210     global $boxes, $unseen_type, $color, $unseen_cum;
 211
 212     /* Initialize the return value. */
 213     $result = array(0,0);
 214
 215     /* Initialize the counts for this folder. */
 216     $boxUnseenCount = 0;
 217     $boxMessageCount = 0;
 218     $totalUnseenCount = 0;
 219     $totalMessageCount = 0;
 220
 221     /* Collect the counts for this box alone. */
 222     $status = sqimap_status_messages($imapConnection, $boxName);
 223     $boxUnseenCount = $status['UNSEEN'];
 224     if ($boxUnseenCount === false) {
 225     return false;
 226     }
 227     if ($unseen_type == 2) {
 228         $boxMessageCount = $status['MESSAGES'];
 229     }
 230
 231     /* Initialize the total counts. */
 232
 233     if ($boxArray['collapse'] == SM_BOX_COLLAPSED && $unseen_cum) {
 234         /* Collect the counts for this boxes subfolders. */
 235         $curBoxLength = strlen($boxName);
 236         $boxCount = count($boxes);
 237
 238         for ($i = 0; $i < $boxCount; ++$i) {
 239             /* Initialize the counts for this subfolder. */
 240             $subUnseenCount = 0;
 241             $subMessageCount = 0;
 242
 243             /* Collect the counts for this subfolder. */
 244             if (($boxName != $boxes[$i]['unformatted'])
 245                    && (substr($boxes[$i]['unformatted'], 0, $curBoxLength) == $boxName)
 246                    && !in_array('noselect', $boxes[$i]['flags'])) {
 247         $status = sqimap_status_messages($imapConnection, $boxes[$i]['unformatted']);
 248         $subUnseenCount = $status['UNSEEN'];
 249                 if ($unseen_type == 2) {
 250                     $subMessageCount = $status['MESSAGES'];;
 251                 }
 252                 /* Add the counts for this subfolder to the total. */
 253                 $totalUnseenCount += $subUnseenCount;
 254                 $totalMessageCount += $subMessageCount;
 255             }
 256         }
 257
 258         /* Add the counts for all subfolders to that of the box. */
 259         $boxUnseenCount += $totalUnseenCount;
 260         $boxMessageCount += $totalMessageCount;
 261     }
 262
 263     /* And create the magic unseen count string.     */
 264     /* Really a lot more then just the unseen count. */
 265     if (($unseen_type == 1) && ($boxUnseenCount > 0)) {
 266         $result[0] = "($boxUnseenCount)";
 267     } else if ($unseen_type == 2) {
 268         $result[0] = "($boxUnseenCount/$boxMessageCount)";
 269         $result[0] = "<font color=\"$color[11]\">$result[0]</font>";
 270     }
 271
 272     /* Set the unseen count to return to the outside world. */
 273     $result[1] = $boxUnseenCount;
 274
 275     /* Return our happy result. */
 276     return ($result);
 277 }
 278
 279 /**
 280  * This simple function checks if a box is another box's parent.
 281  */
 282 function is_parent_box($curbox_name, $parbox_name) {
 283     global $delimiter;
 284
 285     /* Extract the name of the parent of the current box. */
 286     $curparts = explode($delimiter, $curbox_name);
 287     $curname = array_pop($curparts);
 288     $actual_parname = implode($delimiter, $curparts);
 289     $actual_parname = substr($actual_parname,0,strlen($parbox_name));
 290
 291     /* Compare the actual with the given parent name. */
 292     return ($parbox_name == $actual_parname);
 293 }
 294
 295 function ListBoxes ($boxes, $j=0 ) {
 296     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 297            $move_to_trash, $trash_folder, $collapse_folders, $imapConnection,
 298            $use_icons, $icon_theme;
 299
 300     if (!isset($boxes) || empty($boxes))
 301         return;
 302
 303     $pre = '<nobr>';
 304     $end = '';
 305     $collapse = false;
 306     $unseen_found = false;
 307     $unseen = 0;
 308
 309     $mailbox = $boxes->mailboxname_full;
 310     $leader = '<tt>';
 311     $leader .= str_repeat('&nbsp;&nbsp;',$j);
 312     $mailboxURL = urlencode($mailbox);
 313
 314     /* get unseen/total messages information */
 315     /* Only need to display info when option is set */
 316     if (isset($unseen_notify) && ($unseen_notify > 1) &&
 317         (($boxes->unseen !== false) || ($boxes->total !== false))) {
 318
 319         if ($boxes->unseen !== false)
 320             $unseen = $boxes->unseen;
 321
 322         /*
 323             Should only display unseen info if the folder is inbox
 324             or you set the option for all folders
 325         */
 326
 327         if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 328             $unseen_string = $unseen;
 329
 330             /* If users requests, display message count too */
 331             if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
 332                 $unseen_string .= '/' . $boxes->total;
 333             }
 334
 335             $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 336
 337             /*
 338                 Finally allow the script to display the values by setting a boolean.
 339                 This can only occur if the unseen count is great than 0 (if you have
 340                 unseen count only), or you have the message count too.
 341             */
 342             if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 343                 $unseen_found = true;
 344             }
 345         }
 346     }
 347
 348     if (isset($boxes->mbxs[0]) && $collapse_folders) {
 349         $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 350         $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 351
 352         $link = '<a target="left" style="text-decoration:none" ' .'href="left_main.php?';
 353         if ($collapse) {
 354             if ($use_icons && $icon_theme != 'none') {
 355                 $link .= "unfold=$mailboxURL\">$leader<IMG src=\"" . SM_PATH . "images/plus.png\" border=\"0\" height=\"7\" width=\"7\">&nbsp;</tt>";
 356             } else {
 357                 $link .= "unfold=$mailboxURL\">$leader+&nbsp;</tt>";
 358             }
 359         } else {
 360             if ($use_icons && $icon_theme != 'none') {
 361                 $link .= "fold=$mailboxURL\">$leader<IMG src=\"" . SM_PATH . "images/minus.png\" border=\"0\" height=\"7\" width=\"7\">&nbsp;</tt>";
 362             } else {
 363                 $link .= "fold=$mailboxURL\">$leader-&nbsp;</tt>";
 364             }
 365         }
 366         $link .= '</a>';
 367         $pre .= $link;
 368     } else {
 369         $pre.= $leader . '&nbsp;&nbsp;</tt>';
 370     }
 371
 372     /* If there are unseen message, bold the line. */
 373     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 374         if (! isset($boxes->total)) {
 375             $boxes->total = sqimap_status_messages($imapConnection, $mailbox);
 376         }
 377         if ($unseen > 0) {
 378             $pre .= '<b>';
 379         }
 380         $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 381         if ($unseen > 0) {
 382             $end .= '</b>';
 383         }
 384         $end .= '</a>';
 385         if ($boxes->total > 0) {
 386             if ($unseen > 0) {
 387                 $pre .= '<b>';
 388             }
 389             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 390             if ($unseen > 0) {
 391                 $end .= '</b>';
 392             }
 393             /* Print unseen information. */
 394             if ($unseen_found) {
 395                 $end .= "&nbsp;<small>$unseen_string</small>";
 396             }
 397             $end .= "\n<small>\n" .
 398                     "&nbsp;&nbsp;(<a href=\"empty_trash.php\" style=\"text-decoration:none\">"._("purge")."</a>)" .
 399                     "</small>";
 400         }
 401     } else {
 402         if (!$boxes->is_noselect) {
 403             if ($unseen > 0) {
 404                 $pre .= '<b>';
 405             }
 406             $pre .= "<a href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\" style=\"text-decoration:none\">";
 407             if ($unseen > 0) {
 408                 $end .= '</b>';
 409             }
 410             $end .= '</a>';
 411         }
 412         /* Print unseen information. */
 413         if ($unseen_found) {
 414             $end .= "&nbsp;<small>$unseen_string</small>";
 415         }
 416
 417     }
 418
 419     $font = '';
 420     $fontend = '';
 421     if ($boxes->is_special) {
 422         $font = "<font color=\"$color[11]\">";
 423         $fontend = "</font>";
 424     }
 425
 426     // let plugins fiddle with end of line
 427     $end .= concat_hook_function('left_main_after_each_folder',
 428         array(isset($numMessages) ? $numMessages : '',
 429               $boxes->mailboxname_full, $imapConnection));
 430
 431     $end .= '</nobr>';
 432
 433     if (!$boxes->is_root) {
 434         echo "" . $pre .$font. $boxes->mailboxname_sub .$fontend . $end. '<br />' . "\n";
 435         $j++;
 436     }
 437
 438     if (!$collapse || $boxes->is_root) {
 439         for ($i = 0; $i <count($boxes->mbxs); $i++) {
 440             listBoxes($boxes->mbxs[$i],$j);
 441         }
 442     }
 443 }
 444
 445 function ListAdvancedBoxes ($boxes, $mbx, $j='ID.0000' ) {
 446     global $data_dir, $username, $startmessage, $color, $unseen_notify, $unseen_type,
 447            $move_to_trash, $trash_folder, $collapse_folders;
 448
 449     if (!isset($boxes) || empty($boxes))
 450         return;
 451
 452     /* use_folder_images only works if the images exist in ../images */
 453     $use_folder_images = true;
 454
 455     $pre = '';
 456     $end = '';
 457     $collapse = false;
 458     $unseen_found = false;
 459     $unseen = 0;
 460
 461     $mailbox = $boxes->mailboxname_full;
 462     $mailboxURL = urlencode($mailbox);
 463
 464     /* get unseen/total messages information */
 465     /* Only need to display info when option is set */
 466     if (isset($unseen_notify) && ($unseen_notify > 1) &&
 467         (($boxes->unseen !== false) || ($boxes->total !== false))) {
 468
 469         if ($boxes->unseen !== false)
 470             $unseen = $boxes->unseen;
 471
 472         /*
 473             Should only display unseen info if the folder is inbox
 474             or you set the option for all folders
 475         */
 476
 477         if ((strtolower($mailbox) == 'inbox') || ($unseen_notify == 3)) {
 478             $unseen_string = $unseen;
 479
 480             /* If users requests, display message count too */
 481             if (isset($unseen_type) && ($unseen_type == 2) && ($boxes->total !== false)) {
 482                 $unseen_string .= '/' . $boxes->total;
 483             }
 484
 485             $unseen_string = "<font color=\"$color[11]\">($unseen_string)</font>";
 486
 487             /*
 488                 Finally allow the script to display the values by setting a boolean.
 489                 This can only occur if the unseen count is great than 0 (if you have
 490                 unseen count only), or you have the message count too.
 491             */
 492             if (($unseen > 0) || (isset($unseen_type) && ($unseen_type ==2))) {
 493                 $unseen_found = true;
 494             }
 495         }
 496     }
 497
 498     /* If there are unseen message, bold the line. */
 499     if ($unseen > 0) { $pre .= '<b>'; }
 500
 501     /* color special boxes */
 502     if ($boxes->is_special) {
 503         $pre .= "<font color=\"$color[11]\">";
 504         $end .= '</font>';
 505     }
 506
 507     /* If there are unseen message, close bolding. */
 508     if ($unseen > 0) { $end .= '</b>'; }
 509
 510     /* Print unseen information. */
 511     if ($unseen_found) {
 512         $end .= "&nbsp;$unseen_string";
 513     }
 514
 515     if (($move_to_trash) && ($mailbox == $trash_folder)) {
 516         if (! isset($numMessages)) {
 517             $numMessages = $boxes->total;
 518         }
 519         $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 520         $end .= '</a>';
 521         if ($numMessages > 0) {
 522             $urlMailbox = urlencode($mailbox);
 523             $end .= "\n<small>\n" .
 524                     "&nbsp;&nbsp;(<a class=\"mbx_link\" href=\"empty_trash.php\">"._("purge")."</a>)" .
 525                     "</small>";
 526         }
 527     } else {
 528         if (!$boxes->is_noselect) { /* \Noselect boxes can't be selected */
 529             $pre = "<a class=\"mbx_link\" href=\"right_main.php?PG_SHOWALL=0&amp;sort=0&amp;startMessage=1&amp;mailbox=$mailboxURL\" target=\"right\">" . $pre;
 530             $end .= '</a>';
 531         }
 532     }
 533
 534     // let plugins fiddle with end of line
 535     global $imapConnection;
 536     $end .= concat_hook_function('left_main_after_each_folder',
 537         array(isset($numMessages) ? $numMessages : '',
 538               $boxes->mailboxname_full, $imapConnection));
 539
 540     if (!$boxes->is_root) {
 541         if ($use_folder_images) {
 542             if ($boxes->is_inbox) {
 543                 $folder_img = '../images/inbox.png';
 544             } else if ($boxes->is_sent) {
 545                 $folder_img = '../images/senti.png';
 546             } else if ($boxes->is_trash) {
 547                 $folder_img = '../images/delitem.png';
 548             } else if ($boxes->is_draft) {
 549                 $folder_img = '../images/draft.png';
 550             } else if ($boxes->is_noinferiors) {
 551                 $folder_img = '../images/folder_noinf.png';
 552             } else {
 553                 $folder_img = '../images/folder.png';
 554             }
 555             $folder_img = '&nbsp;<img src="'.$folder_img.'" height="15" valign="center" />&nbsp;';
 556         } else {
 557             $folder_img = '';
 558         }
 559         if (!isset($boxes->mbxs[0])) {
 560             echo '   ' . html_tag( 'div',
 561                             '<tt>'. $pre . $folder_img . '</tt>'. $boxes->mailboxname_sub . $end,
 562                             'left', '', 'class="mbx_sub" id="' .$j. '"' ) . "\n";
 563         } else {
 564             /* get collapse information */
 565             if ($collapse_folders) {
 566                 $form_entry = $j.'F';
 567                 if (isset($mbx) && isset($mbx[$form_entry])) {
 568                     $collapse = $mbx[$form_entry];
 569                     setPref($data_dir, $username, 'collapse_folder_'.$boxes->mailboxname_full , $collapse ? SM_BOX_COLLAPSED : SM_BOX_UNCOLLAPSED);
 570                 } else {
 571                     $collapse = getPref($data_dir, $username, 'collapse_folder_' . $mailbox);
 572                     $collapse = ($collapse == '' ? SM_BOX_UNCOLLAPSED : $collapse);
 573                 }
 574                 $img_src = ($collapse ? '../images/plus.png' : '../images/minus.png');
 575                 $collapse_link = '<a href="javascript:void(0)">'." <img src=\"$img_src\" border=\"1\" id=$j onclick=\"hidechilds(this)\" style=\"cursor:hand\" /></a>";
 576             } else {
 577                  $collapse_link='';
 578             }
 579             echo '   ' . html_tag( 'div',
 580                             $collapse_link . $pre . $folder_img . '&nbsp;'. $boxes->mailboxname_sub . $end ,
 581                             'left', '', 'class="mbx_par" id="' .$j. 'P"' ) . "\n";
 582             echo '   <input type="hidden" name="mbx['.$j. 'F]" value="'.$collapse.'" id="mbx['.$j.'F]" />'."\n";
 583         }
 584     }
 585
 586     $visible = ($collapse ? ' style="display:none"' : ' style="display:block"');
 587     if (isset($boxes->mbxs[0]) && !$boxes->is_root) /* mailbox contains childs */
 588         echo html_tag( 'div', '', 'left', '', 'class="par_area" id='.$j.'.0000 '. $visible ) . "\n";
 589
 590     if ($j !='ID.0000')
 591        $j = $j .'.0000';
 592     for ($i = 0; $i <count($boxes->mbxs); $i++) {
 593         $j++;
 594         ListAdvancedBoxes($boxes->mbxs[$i],$mbx,$j);
 595     }
 596     if (isset($boxes->mbxs[0]) && !$boxes->is_root)
 597         echo '</div>'."\n\n";
 598 }
 599
 600
 601
 602
 603 /* -------------------- MAIN ------------------------ */
 604
 605 /* get globals */
 606 sqgetGlobalVar('username', $username, SQ_SESSION);
 607 sqgetGlobalVar('key', $key, SQ_COOKIE);
 608 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 609 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
 610
 611 sqgetGlobalVar('fold', $fold, SQ_GET);
 612 sqgetGlobalVar('unfold', $unfold, SQ_GET);
 613
 614 /* end globals */
 615
 616 // open a connection on the imap port (143)
 617 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10); // the 10 is to hide the output
 618
 619 /**
 620  * Using stristr since older preferences may contain "None" and "none".
 621  */
 622 if (isset($left_refresh) && ($left_refresh != '') &&
 623     !stristr($left_refresh, 'none')){
 624     $xtra =  "\n<meta http-equiv=\"Expires\" content=\"Thu, 01 Dec 1994 16:00:00 GMT\" />\n" .
 625              "<meta http-equiv=\"Pragma\" content=\"no-cache\" />\n".
 626              "<meta http-equiv=\"REFRESH\" content=\"$left_refresh;URL=left_main.php\" />\n";
 627 } else {
 628     $xtra = '';
 629 }
 630
 631 /**
 632  * $advanced_tree and $oldway are boolean vars which are default set to default
 633  * SM behaviour.
 634  * Setting $oldway to false causes left_main.php to use the new experimental
 635  * way of getting the mailbox-tree.
 636  * Setting $advanced tree to true causes SM to display a experimental
 637  * mailbox-tree with dhtml behaviour.
 638  * It only works on browsers which supports css and javascript. The used
 639  * javascript is experimental and doesn't support all browsers.
 640  * It has been tested on IE6 an Konquerer 3.0.0-2.
 641  * It is now tested and working on: (please test and update this list)
 642  * Windows: IE 5.5 SP2, IE 6 SP1, Gecko based (Mozilla, Firebird) and Opera7
 643  * XWindow: ?
 644  * Mac: ?
 645  * In the function ListAdvancedBoxes there is another var $use_folder_images.
 646  * setting this to true is only usefull if the images exists in ../images.
 647  *
 648  * Feel free to experiment with the code and report bugs and enhancements
 649  * to marc@its-projects.nl
 650  **/
 651
 652 /* set this to true if you want to see a nicer mailboxtree */
 653 if (! isset($advanced_tree) || $advanced_tree=="" ) {
 654     $advanced_tree=false;
 655 }
 656 /* default SM behaviour */
 657 if (! isset($oldway) || $oldway=="" ) {
 658     $oldway=false;
 659 }
 660
 661 if ($advanced_tree) {
 662 $xtra .= <<<ECHO
 663 <script language="Javascript" TYPE="text/javascript">
 664
 665 <!--
 666
 667     function preload() {
 668       if (document.images) {
 669         var treeImages = new Array;
 670         var arguments = preload.arguments;
 671         for (var i = 0; i<arguments.length; i++) {
 672           treeImages[i] = new Image();
 673           treeImages[i].src = arguments[i];
 674         }
 675       }
 676     }
 677
 678 var vTreeImg;
 679 var vTreeDiv;
 680 var vTreeSrc;
 681
 682     function fTreeTimeout() {
 683       if (vTreeDiv.readyState == "complete")
 684         vTreeImg.src = vTreeSrc;
 685       else
 686         setTimeout("fTreeTimeout()", 100);
 687     }
 688
 689     function hidechilds(img) {
 690       id = img.id + ".0000";
 691       form_id = "mbx[" + img.id +"F]";
 692       if (document.all) {       //IE, Opera7
 693         div = document.all[id];
 694         if (div) {
 695            if (div.style.display == "none") {
 696               vTreeSrc = "../images/minus.png";
 697               style = "block";
 698               value = 0;
 699            }
 700            else {
 701               vTreeSrc = "../images/plus.png";
 702               style = "none";
 703               value = 1;
 704            }
 705            vTreeImg = img;
 706            vTreeDiv = div;
 707            if (typeof vTreeDiv.readyState != "undefined")       //IE
 708               setTimeout("fTreeTimeout()",100);
 709            else //Non IE
 710               vTreeImg.src = vTreeSrc;
 711            div.style.display = style;
 712            document.all[form_id].value = value;
 713         }
 714       }
 715       else if (document.getElementById) {       //Gecko
 716         div = document.getElementById(id);
 717         if (div) {
 718            if (div.style.display == "none") {
 719               src = "../images/minus.png";
 720               style = "block";
 721               value = 0;
 722            }
 723            else {
 724               src = "../images/plus.png";
 725               style = "none";
 726               value = 1;
 727            }
 728            div.style.display = style;
 729            img.src = src;
 730            document.getElementById(form_id).value = value;
 731         }
 732       }
 733     }
 734
 735    function buttonover(el,on) {
 736       if (!on) {
 737 //         el.style.borderColor="$color[9]";}
 738          el.style.background="$color[0]";}
 739       else {
 740          el.style.background="$color[9]";}
 741    }
 742
 743    function buttonclick(el,on) {
 744       if (!on) {
 745          el.style.border="groove";}
 746       else {
 747          el.style.border="ridge";}
 748    }
 749
 750    function hideframe(hide) {
 751
 752 ECHO;
 753 $xtra .= "      left_size = \"$left_size\";\n";
 754 $xtra .= <<<ECHO
 755       if (document.all) {
 756         masterf = window.parent.document.all["fs1"];
 757     leftf = window.parent.document.all["left"];
 758     leftcontent = document.all["leftframe"];
 759     leftbutton = document.all["showf"];
 760       } else if (document.getElementById) {
 761     masterf = window.parent.document.getElementById("fs1");
 762     leftf = window.parent.document.getElementById("left");
 763     leftcontent = document.getElementById("leftframe");
 764     leftbutton = document.getElementById("showf");
 765       } else {
 766         return false;
 767       }
 768       if(hide) {
 769          new_col = calc_col("20");
 770          masterf.cols = new_col;
 771      document.body.scrollLeft=0;
 772      document.body.style.overflow='hidden';
 773      leftcontent.style.display = 'none';
 774      leftbutton.style.display='block';
 775       } else {
 776          masterf.cols = calc_col(left_size);
 777      document.body.style.overflow='';
 778      leftbutton.style.display='none';
 779      leftcontent.style.display='block';
 780
 781       }
 782    }
 783
 784    function calc_col(c_w) {
 785
 786 ECHO;
 787    if ($location_of_bar == 'right') {
 788        $xtra .= '     right=true;';
 789    } else {
 790        $xtra .= '     right=false;';
 791    }
 792    $xtra .= "\n";
 793 $xtra .= <<<ECHO
 794      if (right) {
 795          new_col = '*,'+c_w;
 796      } else {
 797          new_col = c_w+',*';
 798      }
 799      return new_col;
 800    }
 801
 802    function resizeframe(direction) {
 803      if (document.all) {
 804         masterf = window.parent.document.all["fs1"];
 805      } else if (document.getElementById) {
 806     window.parent.document.getElementById("fs1");
 807      } else {
 808         return false;
 809      }
 810
 811 ECHO;
 812    if ($location_of_bar == 'right') {
 813        $xtra .= '  colPat=/^\*,(\d+)$/;';
 814    } else {
 815        $xtra .= '  colPat=/^(\d+),.*$/;';
 816    }
 817    $xtra .= "\n";
 818
 819 $xtra .= <<<ECHO
 820      old_col = masterf.cols;
 821      colPat.exec(old_col);
 822
 823      if (direction) {
 824         new_col_width = parseInt(RegExp.$1) + 25;
 825
 826      } else {
 827         if (parseInt(RegExp.$1) > 35) {
 828            new_col_width = parseInt(RegExp.$1) - 25;
 829         }
 830      }
 831      masterf.cols = calc_col(new_col_width);
 832    }
 833
 834 //-->
 835
 836 </script>
 837
 838 ECHO;
 839
 840 /* style definitions */
 841
 842 $xtra .= <<<ECHO
 843
 844 <style type="text/css">
 845 <!--
 846   body {
 847      margin: 0px 0px 0px 0px;
 848      padding: 5px 5px 5px 5px;
 849   }
 850
 851   .button {
 852      border:outset;
 853      border-color: $color[9];
 854      background:$color[0];
 855      color:$color[6];
 856      width:99%;
 857      heigth:99%;
 858   }
 859
 860   .mbx_par {
 861      font-size:1.0em;
 862      margin-left:4px;
 863      margin-right:0px;
 864   }
 865
 866   a.mbx_link {
 867       text-decoration: none;
 868       background-color: $color[0];
 869       display: inline;
 870   }
 871
 872   a:hover.mbx_link {
 873       background-color: $color[9];
 874   }
 875
 876   a.mbx_link img {
 877       border-style: none;
 878   }
 879
 880   .mbx_sub {
 881      padding-left:5px;
 882      padding-right:0px;
 883      margin-left:4px;
 884      margin-right:0px;
 885      font-size:0.9em;
 886   }
 887
 888   .par_area {
 889      margin-top:0px;
 890      margin-left:4px;
 891      margin-right:0px;
 892      padding-left:10px;
 893      padding-bottom:5px;
 894      border-left: solid;
 895      border-left-width:0.1em;
 896      border-left-color:$color[9];
 897      border-bottom: solid;
 898      border-bottom-width:0.1em;
 899      border-bottom-color:$color[9];
 900      display: block;
 901   }
 902
 903   .mailboxes {
 904      padding-bottom:3px;
 905      margin-right:4px;
 906      padding-right:4px;
 907      margin-left:4px;
 908      padding-left:4px;
 909      border: groove;
 910      border-width:0.1em;
 911      border-color:$color[9];
 912      background: $color[0];
 913   }
 914
 915 -->
 916
 917 </style>
 918
 919 ECHO;
 920
 921 }
 922
 923 displayHtmlHeader( 'SquirrelMail', $xtra );
 924
 925 /* If requested and not yet complete, attempt to autocreate folders. */
 926 if ($auto_create_special && !isset($auto_create_done)) {
 927     $autocreate = array($sent_folder, $trash_folder, $draft_folder);
 928     foreach( $autocreate as $folder ) {
 929         if (($folder != '') && ($folder != 'none')) {
 930             if ( !sqimap_mailbox_exists($imapConnection, $folder)) {
 931                 sqimap_mailbox_create($imapConnection, $folder, '');
 932             } else if (!sqimap_mailbox_is_subscribed($imapConnection, $folder)) {
 933                 sqimap_subscribe($imapConnection, $folder);
 934             }
 935         }
 936     }
 937
 938     /* Let the world know that autocreation is complete! Hurrah! */
 939     $auto_create_done = TRUE;
 940     sqsession_register($auto_create_done, 'auto_create_done');
 941 }
 942
 943 if ($advanced_tree)
 944   echo "\n<body" .
 945         ' onload="preload(\'../images/minus.png\',\'../images/plus.png\')"' .
 946   " bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 947 else
 948   echo "\n<body bgcolor=\"$color[3]\" text=\"$color[6]\" link=\"$color[6]\" vlink=\"$color[6]\" alink=\"$color[6]\">\n";
 949
 950 do_hook('left_main_before');
 951 if ($advanced_tree) {
 952    /* nice future feature, needs layout !! volunteers?   */
 953    $right_pos = $left_size - 20;
 954 /*   echo '<div style="position:absolute;top:0;border=solid;border-width:0.1em;border-color:blue;"><div ID="hidef" style="width=20;font-size:12"><A HREF="javascript:hideframe(true)"><b><<</b></a></div>';
 955    echo '<div ID="showf" style="width=20;font-size:12;display:none;"><a href="javascript:hideframe(false)"><b>>></b></a></div>';
 956    echo '<div ID="incrf" style="width=20;font-size:12"><a href="javascript:resizeframe(true)"><b>></b></a></div>';
 957    echo '<div ID="decrf" style="width=20;font-size:12"><a href="javascript:resizeframe(false)"><b><</b></a></div></div>';
 958    echo '<div ID="leftframe"><br /><br />';*/
 959 }
 960
 961 echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cellpadding="0" width="99%"' ) .
 962     html_tag( 'tr' ) .
 963     html_tag( 'td', '', 'left' ) .
 964     '<center><font size="4"><b>'. _("Folders") . "</b><br /></font>\n\n";
 965
 966 if ($date_format != 6) {
 967     /* First, display the clock. */
 968     if ($hour_format == 1) {
 969         $hr = 'G:i';
 970         if ($date_format == 4) {
 971             $hr .= ':s';
 972         }
 973     } else {
 974         if ($date_format == 4) {
 975             $hr = 'g:i:s a';
 976         } else {
 977             $hr = 'g:i a';
 978         }
 979     }
 980
 981     switch( $date_format ) {
 982     case 1:
 983         $clk = date('m/d/y '.$hr, time());
 984         break;
 985     case 2:
 986         $clk = date('d/m/y '.$hr, time());
 987         break;
 988     case 4:
 989     case 5:
 990         $clk = date($hr, time());
 991         break;
 992     default:
 993         $clk = getDayAbrv( date( 'w', time() ) ) . date( ', ' . $hr, time() );
 994     }
 995     $clk = str_replace(' ','&nbsp;',$clk);
 996
 997     echo '<center><small>' . str_replace(' ','&nbsp;',_("Last Refresh")) .
 998          ": $clk</small></center>";
 999 }
1000
1001 /* Next, display the refresh button. */
1002 echo '<small>(<a href="../src/left_main.php" target="left">'.
1003      _("refresh folder list") . '</a>)</small></center><br />';
1004
1005 /* Lastly, display the folder list. */
1006 if ( $collapse_folders ) {
1007     /* If directed, collapse or uncollapse a folder. */
1008     if (isset($fold)) {
1009         setPref($data_dir, $username, 'collapse_folder_' . $fold, SM_BOX_COLLAPSED);
1010     } else if (isset($unfold)) {
1011         setPref($data_dir, $username, 'collapse_folder_' . $unfold, SM_BOX_UNCOLLAPSED);
1012     }
1013 }
1014
1015 /* Get unseen/total display prefs */
1016 $unseen_type = getPref( $data_dir , $username , 'unseen_type' );
1017 $unseen_notify = getPref( $data_dir , $username , 'unseen_notify' );
1018
1019 if (!isset($unseen_type) || empty($unseen_type)) {
1020     if (isset($default_unseen_type) && !empty($default_unseen_type)) {
1021         $unseen_type = $default_unseen_type;
1022     } else {
1023         $unseen_type = 1;
1024     }
1025 }
1026
1027 if (!isset($unseen_notify) || empty($unseen_notify)) {
1028     if (isset($default_unseen_notify) && !empty($default_unseen_notify)) {
1029         $unseen_notify = $default_unseen_notify;
1030     } else {
1031         $unseen_notify = 0;
1032     }
1033 }
1034
1035 if ($oldway) {  /* normal behaviour SM */
1036
1037 $boxes = sqimap_mailbox_list($imapConnection);
1038 /* Prepare do do out collapsedness and visibility computation. */
1039 $curbox = 0;
1040 $boxcount = count($boxes);
1041
1042 /* Compute the collapsedness and visibility of each box. */
1043
1044 while ($curbox < $boxcount) {
1045     $boxes[$curbox]['visible'] = TRUE;
1046     compute_folder_children($curbox, $boxcount);
1047 }
1048
1049 for ($i = 0; $i < count($boxes); $i++) {
1050     if ( $boxes[$i]['visible'] ) {
1051         $mailbox = $boxes[$i]['formatted'];
1052         $mblevel = substr_count($boxes[$i]['unformatted'], $delimiter) + 1;
1053
1054         /* Create the prefix for the folder name and link. */
1055         $prefix = str_repeat('  ',$mblevel);
1056         if (isset($collapse_folders) && $collapse_folders && $boxes[$i]['parent']) {
1057             $prefix = str_replace(' ','&nbsp;',substr($prefix,0,strlen($prefix)-2)).
1058                       create_collapse_link($i) . '&nbsp;';
1059         } else {
1060             $prefix = str_replace(' ','&nbsp;',$prefix);
1061         }
1062         $line = "<nobr><tt>$prefix</tt>";
1063
1064         /* Add the folder name and link. */
1065         if (! isset($color[15])) {
1066             $color[15] = $color[6];
1067         }
1068
1069         if (in_array('noselect', $boxes[$i]['flags'])) {
1070             if( isSpecialMailbox( $boxes[$i]['unformatted']) ) {
1071                 $line .= "<font color=\"$color[11]\">";
1072             } else {
1073                 $line .= "<font color=\"$color[15]\">";
1074             }
1075             if (ereg("^( *)([^ ]*)", $mailbox, $regs)) {
1076                 $mailbox = str_replace('&nbsp;','',$mailbox);
1077                 $line .= str_replace(' ', '&nbsp;', $mailbox);
1078             }
1079             $line .= '</font>';
1080         } else {
1081             $line .= formatMailboxName($imapConnection, $boxes[$i]);
1082         }
1083
1084         /* Put the final touches on our folder line. */
1085         $line .= "</nobr><br>\n";
1086
1087         /* Output the line for this folder. */
1088         echo $line;
1089     }
1090 }
1091 } else {  /* expiremental code */
1092     $boxes = sqimap_mailbox_tree($imapConnection);
1093     if (isset($advanced_tree) && $advanced_tree) {
1094         echo '<form name="collapse" action="left_main.php" method="post" ' .
1095              'enctype="multipart/form-data"'."\n";
1096         echo '<small>';
1097         echo '<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 />';
1098         echo '<div id="mailboxes" class="mailboxes">'."\n\n";
1099         sqgetGlobalVar('mbx', $mbx, SQ_POST);
1100         if (!isset($mbx)) $mbx=NULL;
1101         ListAdvancedBoxes($boxes, $mbx);
1102         echo '</div>';
1103         echo '</small>';
1104         echo '</form>'."\n";
1105     } else {
1106         //sqimap_get_status_mbx_tree($imap_stream,$boxes)
1107         ListBoxes($boxes);
1108     }
1109 } /* if ($oldway) else ... */
1110 do_hook('left_main_after');
1111 sqimap_logout($imapConnection);
1112
1113 echo '</td></tr></table>' . "\n".
1114     "</div></body></html>\n";
1115
1116 ?>