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