libs/web/htdocs/luci-static/resources/cbi.js

   1 /*
   2         LuCI - Lua Configuration Interface
   3
   4         Copyright 2008 Steven Barth <steven@midlink.org>
   5         Copyright 2008-2012 Jo-Philipp Wich <xm@subsignal.org>
   6
   7         Licensed under the Apache License, Version 2.0 (the "License");
   8         you may not use this file except in compliance with the License.
   9         You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12 */
  13
  14 var cbi_d = [];
  15 var cbi_t = [];
  16 var cbi_c = [];
  17
  18 var cbi_validators = {
  19
  20         'integer': function()
  21         {
  22                 return (this.match(/^-?[0-9]+$/) != null);
  23         },
  24
  25         'uinteger': function()
  26         {
  27                 return (cbi_validators.integer.apply(this) && (this >= 0));
  28         },
  29
  30         'float': function()
  31         {
  32                 return !isNaN(parseFloat(this));
  33         },
  34
  35         'ufloat': function()
  36         {
  37                 return (cbi_validators['float'].apply(this) && (this >= 0));
  38         },
  39
  40         'ipaddr': function()
  41         {
  42                 return cbi_validators.ip4addr.apply(this) ||
  43                         cbi_validators.ip6addr.apply(this);
  44         },
  45
  46         'ip4addr': function()
  47         {
  48                 if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
  49                 {
  50                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  51                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  52                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  53                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  54                                ((RegExp.$6.indexOf('.') < 0)
  55                                   ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
  56                                   : (cbi_validators.ip4addr.apply(RegExp.$6)))
  57                         ;
  58                 }
  59
  60                 return false;
  61         },
  62
  63         'ip6addr': function()
  64         {
  65                 if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  66                 {
  67                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  68                         {
  69                                 var addr = RegExp.$1;
  70
  71                                 if( addr == '::' )
  72                                 {
  73                                         return true;
  74                                 }
  75
  76                                 if( addr.indexOf('.') > 0 )
  77                                 {
  78                                         var off = addr.lastIndexOf(':');
  79
  80                                         if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
  81                                                 return false;
  82
  83                                         addr = addr.substr(0, off) + ':0:0';
  84                                 }
  85
  86                                 if( addr.indexOf('::') >= 0 )
  87                                 {
  88                                         var colons = 0;
  89                                         var fill = '0';
  90
  91                                         for( var i = 1; i < (addr.length-1); i++ )
  92                                                 if( addr.charAt(i) == ':' )
  93                                                         colons++;
  94
  95                                         if( colons > 7 )
  96                                                 return false;
  97
  98                                         for( var i = 0; i < (7 - colons); i++ )
  99                                                 fill += ':0';
 100
 101                                         if (addr.match(/^(.*?)::(.*?)$/))
 102                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 103                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 104                                 }
 105
 106                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 107                         }
 108                 }
 109
 110                 return false;
 111         },
 112
 113         'port': function()
 114         {
 115                 return cbi_validators.integer.apply(this) &&
 116                         (this >= 0) && (this <= 65535);
 117         },
 118
 119         'portrange': function()
 120         {
 121                 if (this.match(/^(\d+)-(\d+)$/))
 122                 {
 123                         var p1 = RegExp.$1;
 124                         var p2 = RegExp.$2;
 125
 126                         return cbi_validators.port.apply(p1) &&
 127                                cbi_validators.port.apply(p2) &&
 128                                (parseInt(p1) <= parseInt(p2))
 129                         ;
 130                 }
 131                 else
 132                 {
 133                         return cbi_validators.port.apply(this);
 134                 }
 135         },
 136
 137         'macaddr': function()
 138         {
 139                 return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 140         },
 141
 142         'host': function()
 143         {
 144                 return cbi_validators.hostname.apply(this) ||
 145                         cbi_validators.ipaddr.apply(this);
 146         },
 147
 148         'hostname': function()
 149         {
 150                 if (this.length <= 253)
 151                         return (this.match(/^[a-zA-Z]+$/) != null ||
 152                                 (this.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) &&
 153                                  this.match(/[^0-9.]/)));
 154
 155                 return false;
 156         },
 157
 158         'network': function()
 159         {
 160                 return cbi_validators.uciname.apply(this) ||
 161                         cbi_validators.host.apply(this);
 162         },
 163
 164         'wpakey': function()
 165         {
 166                 var v = this;
 167
 168                 if( v.length == 64 )
 169                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 170                 else
 171                         return (v.length >= 8) && (v.length <= 63);
 172         },
 173
 174         'wepkey': function()
 175         {
 176                 var v = this;
 177
 178                 if ( v.substr(0,2) == 's:' )
 179                         v = v.substr(2);
 180
 181                 if( (v.length == 10) || (v.length == 26) )
 182                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 183                 else
 184                         return (v.length == 5) || (v.length == 13);
 185         },
 186
 187         'uciname': function()
 188         {
 189                 return (this.match(/^[a-zA-Z0-9_]+$/) != null);
 190         },
 191
 192         'range': function(min, max)
 193         {
 194                 var val = parseFloat(this);
 195                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 196                         return ((val >= min) && (val <= max));
 197
 198                 return false;
 199         },
 200
 201         'min': function(min)
 202         {
 203                 var val = parseFloat(this);
 204                 if (!isNaN(min) && !isNaN(val))
 205                         return (val >= min);
 206
 207                 return false;
 208         },
 209
 210         'max': function(max)
 211         {
 212                 var val = parseFloat(this);
 213                 if (!isNaN(max) && !isNaN(val))
 214                         return (val <= max);
 215
 216                 return false;
 217         },
 218
 219         'or': function()
 220         {
 221                 for (var i = 0; i < arguments.length; i += 2)
 222                 {
 223                         if (typeof arguments[i] != 'function')
 224                         {
 225                                 if (arguments[i] == this)
 226                                         return true;
 227                                 i--;
 228                         }
 229                         else if (arguments[i].apply(this, arguments[i+1]))
 230                         {
 231                                 return true;
 232                         }
 233                 }
 234                 return false;
 235         },
 236
 237         'and': function()
 238         {
 239                 for (var i = 0; i < arguments.length; i += 2)
 240                 {
 241                         if (typeof arguments[i] != 'function')
 242                         {
 243                                 if (arguments[i] != this)
 244                                         return false;
 245                                 i--;
 246                         }
 247                         else if (!arguments[i].apply(this, arguments[i+1]))
 248                         {
 249                                 return false;
 250                         }
 251                 }
 252                 return true;
 253         },
 254
 255         'neg': function()
 256         {
 257                 return cbi_validators.or.apply(
 258                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 259         },
 260
 261         'list': function(subvalidator, subargs)
 262         {
 263                 if (typeof subvalidator != 'function')
 264                         return false;
 265
 266                 var tokens = this.match(/[^ \t]+/g);
 267                 for (var i = 0; i < tokens.length; i++)
 268                         if (!subvalidator.apply(tokens[i], subargs))
 269                                 return false;
 270
 271                 return true;
 272         },
 273         'phonedigit': function()
 274         {
 275                 return (this.match(/^[0-9\*#]+$/) != null);
 276         }
 277 };
 278
 279
 280 function cbi_d_add(field, dep, next) {
 281         var obj = document.getElementById(field);
 282         if (obj) {
 283                 var entry
 284                 for (var i=0; i<cbi_d.length; i++) {
 285                         if (cbi_d[i].id == field) {
 286                                 entry = cbi_d[i];
 287                                 break;
 288                         }
 289                 }
 290                 if (!entry) {
 291                         entry = {
 292                                 "node": obj,
 293                                 "id": field,
 294                                 "parent": obj.parentNode.id,
 295                                 "next": next,
 296                                 "deps": []
 297                         };
 298                         cbi_d.unshift(entry);
 299                 }
 300                 entry.deps.push(dep)
 301         }
 302 }
 303
 304 function cbi_d_checkvalue(target, ref) {
 305         var t = document.getElementById(target);
 306         var value;
 307
 308         if (!t) {
 309                 var tl = document.getElementsByName(target);
 310
 311                 if( tl.length > 0 && tl[0].type == 'radio' )
 312                         for( var i = 0; i < tl.length; i++ )
 313                                 if( tl[i].checked ) {
 314                                         value = tl[i].value;
 315                                         break;
 316                                 }
 317
 318                 value = value ? value : "";
 319         } else if (!t.value) {
 320                 value = "";
 321         } else {
 322                 value = t.value;
 323
 324                 if (t.type == "checkbox") {
 325                         value = t.checked ? value : "";
 326                 }
 327         }
 328
 329         return (value == ref)
 330 }
 331
 332 function cbi_d_check(deps) {
 333         var reverse;
 334         var def = false;
 335         for (var i=0; i<deps.length; i++) {
 336                 var istat = true;
 337                 reverse = false;
 338                 for (var j in deps[i]) {
 339                         if (j == "!reverse") {
 340                                 reverse = true;
 341                         } else if (j == "!default") {
 342                                 def = true;
 343                                 istat = false;
 344                         } else {
 345                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 346                         }
 347                 }
 348                 if (istat) {
 349                         return !reverse;
 350                 }
 351         }
 352         return def;
 353 }
 354
 355 function cbi_d_update() {
 356         var state = false;
 357         for (var i=0; i<cbi_d.length; i++) {
 358                 var entry = cbi_d[i];
 359                 var next  = document.getElementById(entry.next)
 360                 var node  = document.getElementById(entry.id)
 361                 var parent = document.getElementById(entry.parent)
 362
 363                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 364                         node.parentNode.removeChild(node);
 365                         state = true;
 366                         if( entry.parent )
 367                                 cbi_c[entry.parent]--;
 368                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 369                         if (!next) {
 370                                 parent.appendChild(entry.node);
 371                         } else {
 372                                 next.parentNode.insertBefore(entry.node, next);
 373                         }
 374                         state = true;
 375                         if( entry.parent )
 376                                 cbi_c[entry.parent]++;
 377                 }
 378         }
 379
 380         if (entry && entry.parent) {
 381                 if (!cbi_t_update())
 382                         cbi_tag_last(parent);
 383         }
 384
 385         if (state) {
 386                 cbi_d_update();
 387         }
 388 }
 389
 390 function cbi_bind(obj, type, callback, mode) {
 391         if (!obj.addEventListener) {
 392                 obj.attachEvent('on' + type,
 393                         function(){
 394                                 var e = window.event;
 395
 396                                 if (!e.target && e.srcElement)
 397                                         e.target = e.srcElement;
 398
 399                                 return !!callback(e);
 400                         }
 401                 );
 402         } else {
 403                 obj.addEventListener(type, callback, !!mode);
 404         }
 405         return obj;
 406 }
 407
 408 function cbi_combobox(id, values, def, man) {
 409         var selid = "cbi.combobox." + id;
 410         if (document.getElementById(selid)) {
 411                 return
 412         }
 413
 414         var obj = document.getElementById(id)
 415         var sel = document.createElement("select");
 416                 sel.id = selid;
 417                 sel.className = 'cbi-input-select';
 418
 419         if (obj.nextSibling) {
 420                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 421         } else {
 422                 obj.parentNode.appendChild(sel);
 423         }
 424
 425         var dt = obj.getAttribute('cbi_datatype');
 426         var op = obj.getAttribute('cbi_optional');
 427
 428         if (dt)
 429                 cbi_validate_field(sel, op == 'true', dt);
 430
 431         if (!values[obj.value]) {
 432                 if (obj.value == "") {
 433                         var optdef = document.createElement("option");
 434                         optdef.value = "";
 435                         optdef.appendChild(document.createTextNode(def));
 436                         sel.appendChild(optdef);
 437                 } else {
 438                         var opt = document.createElement("option");
 439                         opt.value = obj.value;
 440                         opt.selected = "selected";
 441                         opt.appendChild(document.createTextNode(obj.value));
 442                         sel.appendChild(opt);
 443                 }
 444         }
 445
 446         for (var i in values) {
 447                 var opt = document.createElement("option");
 448                 opt.value = i;
 449
 450                 if (obj.value == i) {
 451                         opt.selected = "selected";
 452                 }
 453
 454                 opt.appendChild(document.createTextNode(values[i]));
 455                 sel.appendChild(opt);
 456         }
 457
 458         var optman = document.createElement("option");
 459         optman.value = "";
 460         optman.appendChild(document.createTextNode(man));
 461         sel.appendChild(optman);
 462
 463         obj.style.display = "none";
 464
 465         cbi_bind(sel, "change", function() {
 466                 if (sel.selectedIndex == sel.options.length - 1) {
 467                         obj.style.display = "inline";
 468                         sel.parentNode.removeChild(sel);
 469                         obj.focus();
 470                 } else {
 471                         obj.value = sel.options[sel.selectedIndex].value;
 472                 }
 473
 474                 try {
 475                         cbi_d_update();
 476                 } catch (e) {
 477                         //Do nothing
 478                 }
 479         })
 480 }
 481
 482 function cbi_combobox_init(id, values, def, man) {
 483         var obj = document.getElementById(id);
 484         cbi_bind(obj, "blur", function() {
 485                 cbi_combobox(id, values, def, man)
 486         });
 487         cbi_combobox(id, values, def, man);
 488 }
 489
 490 function cbi_filebrowser(id, url, defpath) {
 491         var field   = document.getElementById(id);
 492         var browser = window.open(
 493                 url + ( field.value || defpath || '' ) + '?field=' + id,
 494                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 495         );
 496
 497         browser.focus();
 498 }
 499
 500 function cbi_browser_init(id, respath, url, defpath)
 501 {
 502         function cbi_browser_btnclick(e) {
 503                 cbi_filebrowser(id, url, defpath);
 504                 return false;
 505         }
 506
 507         var field = document.getElementById(id);
 508
 509         var btn = document.createElement('img');
 510         btn.className = 'cbi-image-button';
 511         btn.src = respath + '/cbi/folder.gif';
 512         field.parentNode.insertBefore(btn, field.nextSibling);
 513
 514         cbi_bind(btn, 'click', cbi_browser_btnclick);
 515 }
 516
 517 function cbi_dynlist_init(name, respath, datatype, optional, choices)
 518 {
 519         var input0 = document.getElementsByName(name)[0];
 520         var prefix = input0.name;
 521         var parent = input0.parentNode;
 522         var holder = input0.placeholder;
 523
 524         var values;
 525
 526         function cbi_dynlist_redraw(focus, add, del)
 527         {
 528                 values = [ ];
 529
 530                 while (parent.firstChild)
 531                 {
 532                         var n = parent.firstChild;
 533                         var i = parseInt(n.index);
 534
 535                         if (i != del)
 536                         {
 537                                 if (n.nodeName.toLowerCase() == 'input')
 538                                         values.push(n.value || '');
 539                                 else if (n.nodeName.toLowerCase() == 'select')
 540                                         values[values.length-1] = n.options[n.selectedIndex].value;
 541                         }
 542
 543                         parent.removeChild(n);
 544                 }
 545
 546                 if (add >= 0)
 547                 {
 548                         focus = add+1;
 549                         values.splice(focus, 0, '');
 550                 }
 551                 else if (values.length == 0)
 552                 {
 553                         focus = 0;
 554                         values.push('');
 555                 }
 556
 557                 for (var i = 0; i < values.length; i++)
 558                 {
 559                         var t = document.createElement('input');
 560                                 t.id = prefix + '.' + (i+1);
 561                                 t.name = prefix;
 562                                 t.value = values[i];
 563                                 t.type = 'text';
 564                                 t.index = i;
 565                                 t.className = 'cbi-input-text';
 566
 567                         if (i == 0 && holder)
 568                         {
 569                                 t.placeholder = holder;
 570                         }
 571
 572                         var b = document.createElement('img');
 573                                 b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 574                                 b.className = 'cbi-image-button';
 575
 576                         parent.appendChild(t);
 577                         parent.appendChild(b);
 578                         parent.appendChild(document.createElement('br'));
 579
 580                         if (datatype)
 581                         {
 582                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 583                         }
 584
 585                         if (choices)
 586                         {
 587                                 cbi_combobox_init(t.id, choices[0], '', choices[1]);
 588                                 t.nextSibling.index = i;
 589
 590                                 cbi_bind(t.nextSibling, 'keydown',  cbi_dynlist_keydown);
 591                                 cbi_bind(t.nextSibling, 'keypress', cbi_dynlist_keypress);
 592
 593                                 if (i == focus || -i == focus)
 594                                         t.nextSibling.focus();
 595                         }
 596                         else
 597                         {
 598                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 599                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 600
 601                                 if (i == focus)
 602                                 {
 603                                         t.focus();
 604                                 }
 605                                 else if (-i == focus)
 606                                 {
 607                                         t.focus();
 608
 609                                         /* force cursor to end */
 610                                         var v = t.value;
 611                                         t.value = ' '
 612                                         t.value = v;
 613                                 }
 614                         }
 615
 616                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 617                 }
 618         }
 619
 620         function cbi_dynlist_keypress(ev)
 621         {
 622                 ev = ev ? ev : window.event;
 623
 624                 var se = ev.target ? ev.target : ev.srcElement;
 625
 626                 if (se.nodeType == 3)
 627                         se = se.parentNode;
 628
 629                 switch (ev.keyCode)
 630                 {
 631                         /* backspace, delete */
 632                         case 8:
 633                         case 46:
 634                                 if (se.value.length == 0)
 635                                 {
 636                                         if (ev.preventDefault)
 637                                                 ev.preventDefault();
 638
 639                                         return false;
 640                                 }
 641
 642                                 return true;
 643
 644                         /* enter, arrow up, arrow down */
 645                         case 13:
 646                         case 38:
 647                         case 40:
 648                                 if (ev.preventDefault)
 649                                         ev.preventDefault();
 650
 651                                 return false;
 652                 }
 653
 654                 return true;
 655         }
 656
 657         function cbi_dynlist_keydown(ev)
 658         {
 659                 ev = ev ? ev : window.event;
 660
 661                 var se = ev.target ? ev.target : ev.srcElement;
 662
 663                 if (se.nodeType == 3)
 664                         se = se.parentNode;
 665
 666                 var prev = se.previousSibling;
 667                 while (prev && prev.name != name)
 668                         prev = prev.previousSibling;
 669
 670                 var next = se.nextSibling;
 671                 while (next && next.name != name)
 672                         next = next.nextSibling;
 673
 674                 /* advance one further in combobox case */
 675                 if (next && next.nextSibling.name == name)
 676                         next = next.nextSibling;
 677
 678                 switch (ev.keyCode)
 679                 {
 680                         /* backspace, delete */
 681                         case 8:
 682                         case 46:
 683                                 var del = (se.nodeName.toLowerCase() == 'select')
 684                                         ? true : (se.value.length == 0);
 685
 686                                 if (del)
 687                                 {
 688                                         if (ev.preventDefault)
 689                                                 ev.preventDefault();
 690
 691                                         var focus = se.index;
 692                                         if (ev.keyCode == 8)
 693                                                 focus = -focus+1;
 694
 695                                         cbi_dynlist_redraw(focus, -1, se.index);
 696
 697                                         return false;
 698                                 }
 699
 700                                 break;
 701
 702                         /* enter */
 703                         case 13:
 704                                 cbi_dynlist_redraw(-1, se.index, -1);
 705                                 break;
 706
 707                         /* arrow up */
 708                         case 38:
 709                                 if (prev)
 710                                         prev.focus();
 711
 712                                 break;
 713
 714                         /* arrow down */
 715                         case 40:
 716                                 if (next)
 717                                         next.focus();
 718
 719                                 break;
 720                 }
 721
 722                 return true;
 723         }
 724
 725         function cbi_dynlist_btnclick(ev)
 726         {
 727                 ev = ev ? ev : window.event;
 728
 729                 var se = ev.target ? ev.target : ev.srcElement;
 730
 731                 if (se.src.indexOf('remove') > -1)
 732                 {
 733                         se.previousSibling.value = '';
 734
 735                         cbi_dynlist_keydown({
 736                                 target:  se.previousSibling,
 737                                 keyCode: 8
 738                         });
 739                 }
 740                 else
 741                 {
 742                         cbi_dynlist_keydown({
 743                                 target:  se.previousSibling,
 744                                 keyCode: 13
 745                         });
 746                 }
 747
 748                 return false;
 749         }
 750
 751         cbi_dynlist_redraw(NaN, -1, -1);
 752 }
 753
 754 //Hijacks the CBI form to send via XHR (requires Prototype)
 755 function cbi_hijack_forms(layer, win, fail, load) {
 756         var forms = layer.getElementsByTagName('form');
 757         for (var i=0; i<forms.length; i++) {
 758                 $(forms[i]).observe('submit', function(event) {
 759                         // Prevent the form from also submitting the regular way
 760                         event.stop();
 761
 762                         // Submit via XHR
 763                         event.element().request({
 764                                 onSuccess: win,
 765                                 onFailure: fail
 766                         });
 767
 768                         if (load) {
 769                                 load();
 770                         }
 771                 });
 772         }
 773 }
 774
 775
 776 function cbi_t_add(section, tab) {
 777         var t = document.getElementById('tab.' + section + '.' + tab);
 778         var c = document.getElementById('container.' + section + '.' + tab);
 779
 780         if( t && c ) {
 781                 cbi_t[section] = (cbi_t[section] || [ ]);
 782                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 783         }
 784 }
 785
 786 function cbi_t_switch(section, tab) {
 787         if( cbi_t[section] && cbi_t[section][tab] ) {
 788                 var o = cbi_t[section][tab];
 789                 var h = document.getElementById('tab.' + section);
 790                 for( var tid in cbi_t[section] ) {
 791                         var o2 = cbi_t[section][tid];
 792                         if( o.tab.id != o2.tab.id ) {
 793                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 794                                 o2.container.style.display = 'none';
 795                         }
 796                         else {
 797                                 if(h) h.value = tab;
 798                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 799                                 o2.container.style.display = 'block';
 800                         }
 801                 }
 802         }
 803         return false
 804 }
 805
 806 function cbi_t_update() {
 807         var hl_tabs = [ ];
 808         var updated = false;
 809
 810         for( var sid in cbi_t )
 811                 for( var tid in cbi_t[sid] )
 812                 {
 813                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 814                                 cbi_t[sid][tid].tab.style.display = 'none';
 815                         }
 816                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 817                                 cbi_t[sid][tid].tab.style.display = '';
 818
 819                                 var t = cbi_t[sid][tid].tab;
 820                                 t.className += ' cbi-tab-highlighted';
 821                                 hl_tabs.push(t);
 822                         }
 823
 824                         cbi_tag_last(cbi_t[sid][tid].container);
 825                         updated = true;
 826                 }
 827
 828         if( hl_tabs.length > 0 )
 829                 window.setTimeout(function() {
 830                         for( var i = 0; i < hl_tabs.length; i++ )
 831                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 832                 }, 750);
 833
 834         return updated;
 835 }
 836
 837
 838 function cbi_validate_form(form, errmsg)
 839 {
 840         /* if triggered by a section removal or addition, don't validate */
 841         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 842                 return true;
 843
 844         if( form.cbi_validators )
 845         {
 846                 for( var i = 0; i < form.cbi_validators.length; i++ )
 847                 {
 848                         var validator = form.cbi_validators[i];
 849                         if( !validator() && errmsg )
 850                         {
 851                                 alert(errmsg);
 852                                 return false;
 853                         }
 854                 }
 855         }
 856
 857         return true;
 858 }
 859
 860 function cbi_validate_reset(form)
 861 {
 862         window.setTimeout(
 863                 function() { cbi_validate_form(form, null) }, 100
 864         );
 865
 866         return true;
 867 }
 868
 869 function cbi_validate_compile(code)
 870 {
 871         var pos = 0;
 872         var esc = false;
 873         var depth = 0;
 874         var stack = [ ];
 875
 876         code += ',';
 877
 878         for (var i = 0; i < code.length; i++)
 879         {
 880                 if (esc)
 881                 {
 882                         esc = false;
 883                         continue;
 884                 }
 885
 886                 switch (code.charCodeAt(i))
 887                 {
 888                 case 92:
 889                         esc = true;
 890                         break;
 891
 892                 case 40:
 893                 case 44:
 894                         if (depth <= 0)
 895                         {
 896                                 if (pos < i)
 897                                 {
 898                                         var label = code.substring(pos, i);
 899                                                 label = label.replace(/\\(.)/g, '$1');
 900                                                 label = label.replace(/^[ \t]+/g, '');
 901                                                 label = label.replace(/[ \t]+$/g, '');
 902
 903                                         if (label && !isNaN(label))
 904                                         {
 905                                                 stack.push(parseFloat(label));
 906                                         }
 907                                         else if (label.match(/^(['"]).*\1$/))
 908                                         {
 909                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 910                                         }
 911                                         else if (typeof cbi_validators[label] == 'function')
 912                                         {
 913                                                 stack.push(cbi_validators[label]);
 914                                                 stack.push(null);
 915                                         }
 916                                         else
 917                                         {
 918                                                 throw "Syntax error, unhandled token '"+label+"'";
 919                                         }
 920                                 }
 921                                 pos = i+1;
 922                         }
 923                         depth += (code.charCodeAt(i) == 40);
 924                         break;
 925
 926                 case 41:
 927                         if (--depth <= 0)
 928                         {
 929                                 if (typeof stack[stack.length-2] != 'function')
 930                                         throw "Syntax error, argument list follows non-function";
 931
 932                                 stack[stack.length-1] =
 933                                         arguments.callee(code.substring(pos, i));
 934
 935                                 pos = i+1;
 936                         }
 937                         break;
 938                 }
 939         }
 940
 941         return stack;
 942 }
 943
 944 function cbi_validate_field(cbid, optional, type)
 945 {
 946         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 947         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
 948
 949         if (field && vstack && typeof vstack[0] == "function")
 950         {
 951                 var validator = function()
 952                 {
 953                         // is not detached
 954                         if( field.form )
 955                         {
 956                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 957
 958                                 // validate value
 959                                 var value = (field.options && field.options.selectedIndex > -1)
 960                                         ? field.options[field.options.selectedIndex].value : field.value;
 961
 962                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
 963                                 {
 964                                         // invalid
 965                                         field.className += ' cbi-input-invalid';
 966                                         return false;
 967                                 }
 968                         }
 969
 970                         return true;
 971                 };
 972
 973                 if( ! field.form.cbi_validators )
 974                         field.form.cbi_validators = [ ];
 975
 976                 field.form.cbi_validators.push(validator);
 977
 978                 cbi_bind(field, "blur",  validator);
 979                 cbi_bind(field, "keyup", validator);
 980
 981                 if (field.nodeName == 'SELECT')
 982                 {
 983                         cbi_bind(field, "change", validator);
 984                         cbi_bind(field, "click",  validator);
 985                 }
 986
 987                 field.setAttribute("cbi_validate", validator);
 988                 field.setAttribute("cbi_datatype", type);
 989                 field.setAttribute("cbi_optional", (!!optional).toString());
 990
 991                 validator();
 992
 993                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 994                 if (fcbox)
 995                         cbi_validate_field(fcbox, optional, type);
 996         }
 997 }
 998
 999 function cbi_row_swap(elem, up, store)
1000 {
1001         var tr = elem.parentNode;
1002         while (tr && tr.nodeName.toLowerCase() != 'tr')
1003                 tr = tr.parentNode;
1004
1005         if (!tr)
1006                 return false;
1007
1008         var table = tr.parentNode;
1009         while (table && table.nodeName.toLowerCase() != 'table')
1010                 table = table.parentNode;
1011
1012         if (!table)
1013                 return false;
1014
1015         var s = up ? 3 : 2;
1016         var e = up ? table.rows.length : table.rows.length - 1;
1017
1018         for (var idx = s; idx < e; idx++)
1019         {
1020                 if (table.rows[idx] == tr)
1021                 {
1022                         if (up)
1023                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1024                         else
1025                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1026
1027                         break;
1028                 }
1029         }
1030
1031         var ids = [ ];
1032         for (idx = 2; idx < table.rows.length; idx++)
1033         {
1034                 table.rows[idx].className = table.rows[idx].className.replace(
1035                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1036                 );
1037
1038                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1039                         ids.push(RegExp.$1);
1040         }
1041
1042         var input = document.getElementById(store);
1043         if (input)
1044                 input.value = ids.join(' ');
1045
1046         return false;
1047 }
1048
1049 function cbi_tag_last(container)
1050 {
1051         var last;
1052
1053         for (var i = 0; i < container.childNodes.length; i++)
1054         {
1055                 var c = container.childNodes[i];
1056                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1057                 {
1058                         c.className = c.className.replace(/ cbi-value-last$/, '');
1059                         last = c;
1060                 }
1061         }
1062
1063         if (last)
1064         {
1065                 last.className += ' cbi-value-last';
1066         }
1067 }
1068
1069 if( ! String.serialize )
1070         String.serialize = function(o)
1071         {
1072                 switch(typeof(o))
1073                 {
1074                         case 'object':
1075                                 // null
1076                                 if( o == null )
1077                                 {
1078                                         return 'null';
1079                                 }
1080
1081                                 // array
1082                                 else if( o.length )
1083                                 {
1084                                         var i, s = '';
1085
1086                                         for( var i = 0; i < o.length; i++ )
1087                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
1088
1089                                         return '[ ' + s + ' ]';
1090                                 }
1091
1092                                 // object
1093                                 else
1094                                 {
1095                                         var k, s = '';
1096
1097                                         for( k in o )
1098                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1099
1100                                         return '{ ' + s + ' }';
1101                                 }
1102
1103                                 break;
1104
1105                         case 'string':
1106                                 // complex string
1107                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1108                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1109
1110                                 // simple string
1111                                 else
1112                                         return '"' + o + '"';
1113
1114                                 break;
1115
1116                         default:
1117                                 return o.toString();
1118                 }
1119         }
1120
1121
1122 if( ! String.format )
1123         String.format = function()
1124         {
1125                 if (!arguments || arguments.length < 1 || !RegExp)
1126                         return;
1127
1128                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1129                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1130
1131                 function esc(s, r) {
1132                         for( var i = 0; i < r.length; i += 2 )
1133                                 s = s.replace(r[i], r[i+1]);
1134                         return s;
1135                 }
1136
1137                 var str = arguments[0];
1138                 var out = '';
1139                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1140                 var a = b = [], numSubstitutions = 0, numMatches = 0;
1141
1142                 while( a = re.exec(str) )
1143                 {
1144                         var m = a[1];
1145                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1146                         var pPrecision = a[6], pType = a[7];
1147
1148                         numMatches++;
1149
1150                         if (pType == '%')
1151                         {
1152                                 subst = '%';
1153                         }
1154                         else
1155                         {
1156                                 if (numSubstitutions++ < arguments.length)
1157                                 {
1158                                         var param = arguments[numSubstitutions];
1159
1160                                         var pad = '';
1161                                         if (pPad && pPad.substr(0,1) == "'")
1162                                                 pad = leftpart.substr(1,1);
1163                                         else if (pPad)
1164                                                 pad = pPad;
1165
1166                                         var justifyRight = true;
1167                                         if (pJustify && pJustify === "-")
1168                                                 justifyRight = false;
1169
1170                                         var minLength = -1;
1171                                         if (pMinLength)
1172                                                 minLength = parseInt(pMinLength);
1173
1174                                         var precision = -1;
1175                                         if (pPrecision && pType == 'f')
1176                                                 precision = parseInt(pPrecision.substring(1));
1177
1178                                         var subst = param;
1179
1180                                         switch(pType)
1181                                         {
1182                                                 case 'b':
1183                                                         subst = (parseInt(param) || 0).toString(2);
1184                                                         break;
1185
1186                                                 case 'c':
1187                                                         subst = String.fromCharCode(parseInt(param) || 0);
1188                                                         break;
1189
1190                                                 case 'd':
1191                                                         subst = (parseInt(param) || 0);
1192                                                         break;
1193
1194                                                 case 'u':
1195                                                         subst = Math.abs(parseInt(param) || 0);
1196                                                         break;
1197
1198                                                 case 'f':
1199                                                         subst = (precision > -1)
1200                                                                 ? ((parseFloat(param) || 0.0)).toFixed(precision)
1201                                                                 : (parseFloat(param) || 0.0);
1202                                                         break;
1203
1204                                                 case 'o':
1205                                                         subst = (parseInt(param) || 0).toString(8);
1206                                                         break;
1207
1208                                                 case 's':
1209                                                         subst = param;
1210                                                         break;
1211
1212                                                 case 'x':
1213                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
1214                                                         break;
1215
1216                                                 case 'X':
1217                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
1218                                                         break;
1219
1220                                                 case 'h':
1221                                                         subst = esc(param, html_esc);
1222                                                         break;
1223
1224                                                 case 'q':
1225                                                         subst = esc(param, quot_esc);
1226                                                         break;
1227
1228                                                 case 'j':
1229                                                         subst = String.serialize(param);
1230                                                         break;
1231
1232                                                 case 't':
1233                                                         var td = 0;
1234                                                         var th = 0;
1235                                                         var tm = 0;
1236                                                         var ts = (param || 0);
1237
1238                                                         if (ts > 60) {
1239                                                                 tm = Math.floor(ts / 60);
1240                                                                 ts = (ts % 60);
1241                                                         }
1242
1243                                                         if (tm > 60) {
1244                                                                 th = Math.floor(tm / 60);
1245                                                                 tm = (tm % 60);
1246                                                         }
1247
1248                                                         if (th > 24) {
1249                                                                 td = Math.floor(th / 24);
1250                                                                 th = (th % 24);
1251                                                         }
1252
1253                                                         subst = (td > 0)
1254                                                                 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1255                                                                 : String.format('%dh %dm %ds', th, tm, ts);
1256
1257                                                         break;
1258
1259                                                 case 'm':
1260                                                         var mf = pMinLength ? parseInt(pMinLength) : 1000;
1261                                                         var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1262
1263                                                         var i = 0;
1264                                                         var val = parseFloat(param || 0);
1265                                                         var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1266
1267                                                         for (i = 0; (i < units.length) && (val > mf); i++)
1268                                                                 val /= mf;
1269
1270                                                         subst = val.toFixed(pr) + ' ' + units[i];
1271                                                         break;
1272                                         }
1273                                 }
1274                         }
1275
1276                         out += leftpart + subst;
1277                         str = str.substr(m.length);
1278                 }
1279
1280                 return out + str;
1281         }