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-Z0-9]+$/) != null ||
 152                                 (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 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         'rangelength': function(min, max)
 220         {
 221                 var val = '' + this;
 222                 if (!isNaN(min) && !isNaN(max))
 223                         return ((val.length >= min) && (val.length <= max));
 224
 225                 return false;
 226         },
 227
 228         'minlength': function(min)
 229         {
 230                 var val = '' + this;
 231                 if (!isNaN(min))
 232                         return (val.length >= min);
 233
 234                 return false;
 235         },
 236
 237         'maxlength': function(max)
 238         {
 239                 var val = '' + this;
 240                 if (!isNaN(max))
 241                         return (val.length <= max);
 242
 243                 return false;
 244         },
 245
 246         'or': function()
 247         {
 248                 for (var i = 0; i < arguments.length; i += 2)
 249                 {
 250                         if (typeof arguments[i] != 'function')
 251                         {
 252                                 if (arguments[i] == this)
 253                                         return true;
 254                                 i--;
 255                         }
 256                         else if (arguments[i].apply(this, arguments[i+1]))
 257                         {
 258                                 return true;
 259                         }
 260                 }
 261                 return false;
 262         },
 263
 264         'and': function()
 265         {
 266                 for (var i = 0; i < arguments.length; i += 2)
 267                 {
 268                         if (typeof arguments[i] != 'function')
 269                         {
 270                                 if (arguments[i] != this)
 271                                         return false;
 272                                 i--;
 273                         }
 274                         else if (!arguments[i].apply(this, arguments[i+1]))
 275                         {
 276                                 return false;
 277                         }
 278                 }
 279                 return true;
 280         },
 281
 282         'neg': function()
 283         {
 284                 return cbi_validators.or.apply(
 285                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 286         },
 287
 288         'list': function(subvalidator, subargs)
 289         {
 290                 if (typeof subvalidator != 'function')
 291                         return false;
 292
 293                 var tokens = this.match(/[^ \t]+/g);
 294                 for (var i = 0; i < tokens.length; i++)
 295                         if (!subvalidator.apply(tokens[i], subargs))
 296                                 return false;
 297
 298                 return true;
 299         },
 300         'phonedigit': function()
 301         {
 302                 return (this.match(/^[0-9\*#]+$/) != null);
 303         }
 304 };
 305
 306
 307 function cbi_d_add(field, dep, next) {
 308         var obj = document.getElementById(field);
 309         if (obj) {
 310                 var entry
 311                 for (var i=0; i<cbi_d.length; i++) {
 312                         if (cbi_d[i].id == field) {
 313                                 entry = cbi_d[i];
 314                                 break;
 315                         }
 316                 }
 317                 if (!entry) {
 318                         entry = {
 319                                 "node": obj,
 320                                 "id": field,
 321                                 "parent": obj.parentNode.id,
 322                                 "next": next,
 323                                 "deps": []
 324                         };
 325                         cbi_d.unshift(entry);
 326                 }
 327                 entry.deps.push(dep)
 328         }
 329 }
 330
 331 function cbi_d_checkvalue(target, ref) {
 332         var t = document.getElementById(target);
 333         var value;
 334
 335         if (!t) {
 336                 var tl = document.getElementsByName(target);
 337
 338                 if( tl.length > 0 && tl[0].type == 'radio' )
 339                         for( var i = 0; i < tl.length; i++ )
 340                                 if( tl[i].checked ) {
 341                                         value = tl[i].value;
 342                                         break;
 343                                 }
 344
 345                 value = value ? value : "";
 346         } else if (!t.value) {
 347                 value = "";
 348         } else {
 349                 value = t.value;
 350
 351                 if (t.type == "checkbox") {
 352                         value = t.checked ? value : "";
 353                 }
 354         }
 355
 356         return (value == ref)
 357 }
 358
 359 function cbi_d_check(deps) {
 360         var reverse;
 361         var def = false;
 362         for (var i=0; i<deps.length; i++) {
 363                 var istat = true;
 364                 reverse = false;
 365                 for (var j in deps[i]) {
 366                         if (j == "!reverse") {
 367                                 reverse = true;
 368                         } else if (j == "!default") {
 369                                 def = true;
 370                                 istat = false;
 371                         } else {
 372                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 373                         }
 374                 }
 375                 if (istat) {
 376                         return !reverse;
 377                 }
 378         }
 379         return def;
 380 }
 381
 382 function cbi_d_update() {
 383         var state = false;
 384         for (var i=0; i<cbi_d.length; i++) {
 385                 var entry = cbi_d[i];
 386                 var next  = document.getElementById(entry.next)
 387                 var node  = document.getElementById(entry.id)
 388                 var parent = document.getElementById(entry.parent)
 389
 390                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 391                         node.parentNode.removeChild(node);
 392                         state = true;
 393                         if( entry.parent )
 394                                 cbi_c[entry.parent]--;
 395                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 396                         if (!next) {
 397                                 parent.appendChild(entry.node);
 398                         } else {
 399                                 next.parentNode.insertBefore(entry.node, next);
 400                         }
 401                         state = true;
 402                         if( entry.parent )
 403                                 cbi_c[entry.parent]++;
 404                 }
 405         }
 406
 407         if (entry && entry.parent) {
 408                 if (!cbi_t_update())
 409                         cbi_tag_last(parent);
 410         }
 411
 412         if (state) {
 413                 cbi_d_update();
 414         }
 415 }
 416
 417 function cbi_bind(obj, type, callback, mode) {
 418         if (!obj.addEventListener) {
 419                 obj.attachEvent('on' + type,
 420                         function(){
 421                                 var e = window.event;
 422
 423                                 if (!e.target && e.srcElement)
 424                                         e.target = e.srcElement;
 425
 426                                 return !!callback(e);
 427                         }
 428                 );
 429         } else {
 430                 obj.addEventListener(type, callback, !!mode);
 431         }
 432         return obj;
 433 }
 434
 435 function cbi_combobox(id, values, def, man) {
 436         var selid = "cbi.combobox." + id;
 437         if (document.getElementById(selid)) {
 438                 return
 439         }
 440
 441         var obj = document.getElementById(id)
 442         var sel = document.createElement("select");
 443                 sel.id = selid;
 444                 sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
 445
 446         if (obj.nextSibling) {
 447                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 448         } else {
 449                 obj.parentNode.appendChild(sel);
 450         }
 451
 452         var dt = obj.getAttribute('cbi_datatype');
 453         var op = obj.getAttribute('cbi_optional');
 454
 455         if (dt)
 456                 cbi_validate_field(sel, op == 'true', dt);
 457
 458         if (!values[obj.value]) {
 459                 if (obj.value == "") {
 460                         var optdef = document.createElement("option");
 461                         optdef.value = "";
 462                         optdef.appendChild(document.createTextNode(def));
 463                         sel.appendChild(optdef);
 464                 } else {
 465                         var opt = document.createElement("option");
 466                         opt.value = obj.value;
 467                         opt.selected = "selected";
 468                         opt.appendChild(document.createTextNode(obj.value));
 469                         sel.appendChild(opt);
 470                 }
 471         }
 472
 473         for (var i in values) {
 474                 var opt = document.createElement("option");
 475                 opt.value = i;
 476
 477                 if (obj.value == i) {
 478                         opt.selected = "selected";
 479                 }
 480
 481                 opt.appendChild(document.createTextNode(values[i]));
 482                 sel.appendChild(opt);
 483         }
 484
 485         var optman = document.createElement("option");
 486         optman.value = "";
 487         optman.appendChild(document.createTextNode(man));
 488         sel.appendChild(optman);
 489
 490         obj.style.display = "none";
 491
 492         cbi_bind(sel, "change", function() {
 493                 if (sel.selectedIndex == sel.options.length - 1) {
 494                         obj.style.display = "inline";
 495                         sel.parentNode.removeChild(sel);
 496                         obj.focus();
 497                 } else {
 498                         obj.value = sel.options[sel.selectedIndex].value;
 499                 }
 500
 501                 try {
 502                         cbi_d_update();
 503                 } catch (e) {
 504                         //Do nothing
 505                 }
 506         })
 507
 508         // Retrigger validation in select
 509         sel.focus();
 510         sel.blur();
 511 }
 512
 513 function cbi_combobox_init(id, values, def, man) {
 514         var obj = document.getElementById(id);
 515         cbi_bind(obj, "blur", function() {
 516                 cbi_combobox(id, values, def, man)
 517         });
 518         cbi_combobox(id, values, def, man);
 519 }
 520
 521 function cbi_filebrowser(id, url, defpath) {
 522         var field   = document.getElementById(id);
 523         var browser = window.open(
 524                 url + ( field.value || defpath || '' ) + '?field=' + id,
 525                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 526         );
 527
 528         browser.focus();
 529 }
 530
 531 function cbi_browser_init(id, respath, url, defpath)
 532 {
 533         function cbi_browser_btnclick(e) {
 534                 cbi_filebrowser(id, url, defpath);
 535                 return false;
 536         }
 537
 538         var field = document.getElementById(id);
 539
 540         var btn = document.createElement('img');
 541         btn.className = 'cbi-image-button';
 542         btn.src = respath + '/cbi/folder.gif';
 543         field.parentNode.insertBefore(btn, field.nextSibling);
 544
 545         cbi_bind(btn, 'click', cbi_browser_btnclick);
 546 }
 547
 548 function cbi_dynlist_init(name, respath, datatype, optional, choices)
 549 {
 550         var input0 = document.getElementsByName(name)[0];
 551         var prefix = input0.name;
 552         var parent = input0.parentNode;
 553         var holder = input0.placeholder;
 554
 555         var values;
 556
 557         function cbi_dynlist_redraw(focus, add, del)
 558         {
 559                 values = [ ];
 560
 561                 while (parent.firstChild)
 562                 {
 563                         var n = parent.firstChild;
 564                         var i = parseInt(n.index);
 565
 566                         if (i != del)
 567                         {
 568                                 if (n.nodeName.toLowerCase() == 'input')
 569                                         values.push(n.value || '');
 570                                 else if (n.nodeName.toLowerCase() == 'select')
 571                                         values[values.length-1] = n.options[n.selectedIndex].value;
 572                         }
 573
 574                         parent.removeChild(n);
 575                 }
 576
 577                 if (add >= 0)
 578                 {
 579                         focus = add+1;
 580                         values.splice(focus, 0, '');
 581                 }
 582                 else if (values.length == 0)
 583                 {
 584                         focus = 0;
 585                         values.push('');
 586                 }
 587
 588                 for (var i = 0; i < values.length; i++)
 589                 {
 590                         var t = document.createElement('input');
 591                                 t.id = prefix + '.' + (i+1);
 592                                 t.name = prefix;
 593                                 t.value = values[i];
 594                                 t.type = 'text';
 595                                 t.index = i;
 596                                 t.className = 'cbi-input-text';
 597
 598                         if (i == 0 && holder)
 599                         {
 600                                 t.placeholder = holder;
 601                         }
 602
 603                         var b = document.createElement('img');
 604                                 b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 605                                 b.className = 'cbi-image-button';
 606
 607                         parent.appendChild(t);
 608                         parent.appendChild(b);
 609                         parent.appendChild(document.createElement('br'));
 610
 611                         if (datatype)
 612                         {
 613                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 614                         }
 615
 616                         if (choices)
 617                         {
 618                                 cbi_combobox_init(t.id, choices[0], '', choices[1]);
 619                                 t.nextSibling.index = i;
 620
 621                                 cbi_bind(t.nextSibling, 'keydown',  cbi_dynlist_keydown);
 622                                 cbi_bind(t.nextSibling, 'keypress', cbi_dynlist_keypress);
 623
 624                                 if (i == focus || -i == focus)
 625                                         t.nextSibling.focus();
 626                         }
 627                         else
 628                         {
 629                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 630                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 631
 632                                 if (i == focus)
 633                                 {
 634                                         t.focus();
 635                                 }
 636                                 else if (-i == focus)
 637                                 {
 638                                         t.focus();
 639
 640                                         /* force cursor to end */
 641                                         var v = t.value;
 642                                         t.value = ' '
 643                                         t.value = v;
 644                                 }
 645                         }
 646
 647                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 648                 }
 649         }
 650
 651         function cbi_dynlist_keypress(ev)
 652         {
 653                 ev = ev ? ev : window.event;
 654
 655                 var se = ev.target ? ev.target : ev.srcElement;
 656
 657                 if (se.nodeType == 3)
 658                         se = se.parentNode;
 659
 660                 switch (ev.keyCode)
 661                 {
 662                         /* backspace, delete */
 663                         case 8:
 664                         case 46:
 665                                 if (se.value.length == 0)
 666                                 {
 667                                         if (ev.preventDefault)
 668                                                 ev.preventDefault();
 669
 670                                         return false;
 671                                 }
 672
 673                                 return true;
 674
 675                         /* enter, arrow up, arrow down */
 676                         case 13:
 677                         case 38:
 678                         case 40:
 679                                 if (ev.preventDefault)
 680                                         ev.preventDefault();
 681
 682                                 return false;
 683                 }
 684
 685                 return true;
 686         }
 687
 688         function cbi_dynlist_keydown(ev)
 689         {
 690                 ev = ev ? ev : window.event;
 691
 692                 var se = ev.target ? ev.target : ev.srcElement;
 693
 694                 if (se.nodeType == 3)
 695                         se = se.parentNode;
 696
 697                 var prev = se.previousSibling;
 698                 while (prev && prev.name != name)
 699                         prev = prev.previousSibling;
 700
 701                 var next = se.nextSibling;
 702                 while (next && next.name != name)
 703                         next = next.nextSibling;
 704
 705                 /* advance one further in combobox case */
 706                 if (next && next.nextSibling.name == name)
 707                         next = next.nextSibling;
 708
 709                 switch (ev.keyCode)
 710                 {
 711                         /* backspace, delete */
 712                         case 8:
 713                         case 46:
 714                                 var del = (se.nodeName.toLowerCase() == 'select')
 715                                         ? true : (se.value.length == 0);
 716
 717                                 if (del)
 718                                 {
 719                                         if (ev.preventDefault)
 720                                                 ev.preventDefault();
 721
 722                                         var focus = se.index;
 723                                         if (ev.keyCode == 8)
 724                                                 focus = -focus+1;
 725
 726                                         cbi_dynlist_redraw(focus, -1, se.index);
 727
 728                                         return false;
 729                                 }
 730
 731                                 break;
 732
 733                         /* enter */
 734                         case 13:
 735                                 cbi_dynlist_redraw(-1, se.index, -1);
 736                                 break;
 737
 738                         /* arrow up */
 739                         case 38:
 740                                 if (prev)
 741                                         prev.focus();
 742
 743                                 break;
 744
 745                         /* arrow down */
 746                         case 40:
 747                                 if (next)
 748                                         next.focus();
 749
 750                                 break;
 751                 }
 752
 753                 return true;
 754         }
 755
 756         function cbi_dynlist_btnclick(ev)
 757         {
 758                 ev = ev ? ev : window.event;
 759
 760                 var se = ev.target ? ev.target : ev.srcElement;
 761
 762                 if (se.src.indexOf('remove') > -1)
 763                 {
 764                         se.previousSibling.value = '';
 765
 766                         cbi_dynlist_keydown({
 767                                 target:  se.previousSibling,
 768                                 keyCode: 8
 769                         });
 770                 }
 771                 else
 772                 {
 773                         cbi_dynlist_keydown({
 774                                 target:  se.previousSibling,
 775                                 keyCode: 13
 776                         });
 777                 }
 778
 779                 return false;
 780         }
 781
 782         cbi_dynlist_redraw(NaN, -1, -1);
 783 }
 784
 785 //Hijacks the CBI form to send via XHR (requires Prototype)
 786 function cbi_hijack_forms(layer, win, fail, load) {
 787         var forms = layer.getElementsByTagName('form');
 788         for (var i=0; i<forms.length; i++) {
 789                 $(forms[i]).observe('submit', function(event) {
 790                         // Prevent the form from also submitting the regular way
 791                         event.stop();
 792
 793                         // Submit via XHR
 794                         event.element().request({
 795                                 onSuccess: win,
 796                                 onFailure: fail
 797                         });
 798
 799                         if (load) {
 800                                 load();
 801                         }
 802                 });
 803         }
 804 }
 805
 806
 807 function cbi_t_add(section, tab) {
 808         var t = document.getElementById('tab.' + section + '.' + tab);
 809         var c = document.getElementById('container.' + section + '.' + tab);
 810
 811         if( t && c ) {
 812                 cbi_t[section] = (cbi_t[section] || [ ]);
 813                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 814         }
 815 }
 816
 817 function cbi_t_switch(section, tab) {
 818         if( cbi_t[section] && cbi_t[section][tab] ) {
 819                 var o = cbi_t[section][tab];
 820                 var h = document.getElementById('tab.' + section);
 821                 for( var tid in cbi_t[section] ) {
 822                         var o2 = cbi_t[section][tid];
 823                         if( o.tab.id != o2.tab.id ) {
 824                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 825                                 o2.container.style.display = 'none';
 826                         }
 827                         else {
 828                                 if(h) h.value = tab;
 829                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 830                                 o2.container.style.display = 'block';
 831                         }
 832                 }
 833         }
 834         return false
 835 }
 836
 837 function cbi_t_update() {
 838         var hl_tabs = [ ];
 839         var updated = false;
 840
 841         for( var sid in cbi_t )
 842                 for( var tid in cbi_t[sid] )
 843                 {
 844                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 845                                 cbi_t[sid][tid].tab.style.display = 'none';
 846                         }
 847                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 848                                 cbi_t[sid][tid].tab.style.display = '';
 849
 850                                 var t = cbi_t[sid][tid].tab;
 851                                 t.className += ' cbi-tab-highlighted';
 852                                 hl_tabs.push(t);
 853                         }
 854
 855                         cbi_tag_last(cbi_t[sid][tid].container);
 856                         updated = true;
 857                 }
 858
 859         if( hl_tabs.length > 0 )
 860                 window.setTimeout(function() {
 861                         for( var i = 0; i < hl_tabs.length; i++ )
 862                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 863                 }, 750);
 864
 865         return updated;
 866 }
 867
 868
 869 function cbi_validate_form(form, errmsg)
 870 {
 871         /* if triggered by a section removal or addition, don't validate */
 872         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 873                 return true;
 874
 875         if( form.cbi_validators )
 876         {
 877                 for( var i = 0; i < form.cbi_validators.length; i++ )
 878                 {
 879                         var validator = form.cbi_validators[i];
 880                         if( !validator() && errmsg )
 881                         {
 882                                 alert(errmsg);
 883                                 return false;
 884                         }
 885                 }
 886         }
 887
 888         return true;
 889 }
 890
 891 function cbi_validate_reset(form)
 892 {
 893         window.setTimeout(
 894                 function() { cbi_validate_form(form, null) }, 100
 895         );
 896
 897         return true;
 898 }
 899
 900 function cbi_validate_compile(code)
 901 {
 902         var pos = 0;
 903         var esc = false;
 904         var depth = 0;
 905         var stack = [ ];
 906
 907         code += ',';
 908
 909         for (var i = 0; i < code.length; i++)
 910         {
 911                 if (esc)
 912                 {
 913                         esc = false;
 914                         continue;
 915                 }
 916
 917                 switch (code.charCodeAt(i))
 918                 {
 919                 case 92:
 920                         esc = true;
 921                         break;
 922
 923                 case 40:
 924                 case 44:
 925                         if (depth <= 0)
 926                         {
 927                                 if (pos < i)
 928                                 {
 929                                         var label = code.substring(pos, i);
 930                                                 label = label.replace(/\\(.)/g, '$1');
 931                                                 label = label.replace(/^[ \t]+/g, '');
 932                                                 label = label.replace(/[ \t]+$/g, '');
 933
 934                                         if (label && !isNaN(label))
 935                                         {
 936                                                 stack.push(parseFloat(label));
 937                                         }
 938                                         else if (label.match(/^(['"]).*\1$/))
 939                                         {
 940                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 941                                         }
 942                                         else if (typeof cbi_validators[label] == 'function')
 943                                         {
 944                                                 stack.push(cbi_validators[label]);
 945                                                 stack.push(null);
 946                                         }
 947                                         else
 948                                         {
 949                                                 throw "Syntax error, unhandled token '"+label+"'";
 950                                         }
 951                                 }
 952                                 pos = i+1;
 953                         }
 954                         depth += (code.charCodeAt(i) == 40);
 955                         break;
 956
 957                 case 41:
 958                         if (--depth <= 0)
 959                         {
 960                                 if (typeof stack[stack.length-2] != 'function')
 961                                         throw "Syntax error, argument list follows non-function";
 962
 963                                 stack[stack.length-1] =
 964                                         arguments.callee(code.substring(pos, i));
 965
 966                                 pos = i+1;
 967                         }
 968                         break;
 969                 }
 970         }
 971
 972         return stack;
 973 }
 974
 975 function cbi_validate_field(cbid, optional, type)
 976 {
 977         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 978         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
 979
 980         if (field && vstack && typeof vstack[0] == "function")
 981         {
 982                 var validator = function()
 983                 {
 984                         // is not detached
 985                         if( field.form )
 986                         {
 987                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 988
 989                                 // validate value
 990                                 var value = (field.options && field.options.selectedIndex > -1)
 991                                         ? field.options[field.options.selectedIndex].value : field.value;
 992
 993                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
 994                                 {
 995                                         // invalid
 996                                         field.className += ' cbi-input-invalid';
 997                                         return false;
 998                                 }
 999                         }
1000
1001                         return true;
1002                 };
1003
1004                 if( ! field.form.cbi_validators )
1005                         field.form.cbi_validators = [ ];
1006
1007                 field.form.cbi_validators.push(validator);
1008
1009                 cbi_bind(field, "blur",  validator);
1010                 cbi_bind(field, "keyup", validator);
1011
1012                 if (field.nodeName == 'SELECT')
1013                 {
1014                         cbi_bind(field, "change", validator);
1015                         cbi_bind(field, "click",  validator);
1016                 }
1017
1018                 field.setAttribute("cbi_validate", validator);
1019                 field.setAttribute("cbi_datatype", type);
1020                 field.setAttribute("cbi_optional", (!!optional).toString());
1021
1022                 validator();
1023
1024                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1025                 if (fcbox)
1026                         cbi_validate_field(fcbox, optional, type);
1027         }
1028 }
1029
1030 function cbi_row_swap(elem, up, store)
1031 {
1032         var tr = elem.parentNode;
1033         while (tr && tr.nodeName.toLowerCase() != 'tr')
1034                 tr = tr.parentNode;
1035
1036         if (!tr)
1037                 return false;
1038
1039         var table = tr.parentNode;
1040         while (table && table.nodeName.toLowerCase() != 'table')
1041                 table = table.parentNode;
1042
1043         if (!table)
1044                 return false;
1045
1046         var s = up ? 3 : 2;
1047         var e = up ? table.rows.length : table.rows.length - 1;
1048
1049         for (var idx = s; idx < e; idx++)
1050         {
1051                 if (table.rows[idx] == tr)
1052                 {
1053                         if (up)
1054                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1055                         else
1056                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1057
1058                         break;
1059                 }
1060         }
1061
1062         var ids = [ ];
1063         for (idx = 2; idx < table.rows.length; idx++)
1064         {
1065                 table.rows[idx].className = table.rows[idx].className.replace(
1066                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1067                 );
1068
1069                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1070                         ids.push(RegExp.$1);
1071         }
1072
1073         var input = document.getElementById(store);
1074         if (input)
1075                 input.value = ids.join(' ');
1076
1077         return false;
1078 }
1079
1080 function cbi_tag_last(container)
1081 {
1082         var last;
1083
1084         for (var i = 0; i < container.childNodes.length; i++)
1085         {
1086                 var c = container.childNodes[i];
1087                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1088                 {
1089                         c.className = c.className.replace(/ cbi-value-last$/, '');
1090                         last = c;
1091                 }
1092         }
1093
1094         if (last)
1095         {
1096                 last.className += ' cbi-value-last';
1097         }
1098 }
1099
1100 String.prototype.serialize = function()
1101 {
1102         var o = this;
1103         switch(typeof(o))
1104         {
1105                 case 'object':
1106                         // null
1107                         if( o == null )
1108                         {
1109                                 return 'null';
1110                         }
1111
1112                         // array
1113                         else if( o.length )
1114                         {
1115                                 var i, s = '';
1116
1117                                 for( var i = 0; i < o.length; i++ )
1118                                         s += (s ? ', ' : '') + String.serialize(o[i]);
1119
1120                                 return '[ ' + s + ' ]';
1121                         }
1122
1123                         // object
1124                         else
1125                         {
1126                                 var k, s = '';
1127
1128                                 for( k in o )
1129                                         s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1130
1131                                 return '{ ' + s + ' }';
1132                         }
1133
1134                         break;
1135
1136                 case 'string':
1137                         // complex string
1138                         if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1139                                 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1140
1141                         // simple string
1142                         else
1143                                 return '"' + o + '"';
1144
1145                         break;
1146
1147                 default:
1148                         return o.toString();
1149         }
1150 }
1151
1152 String.prototype.format = function()
1153 {
1154         if (!RegExp)
1155                 return;
1156
1157         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1158         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1159
1160         function esc(s, r) {
1161                 for( var i = 0; i < r.length; i += 2 )
1162                         s = s.replace(r[i], r[i+1]);
1163                 return s;
1164         }
1165
1166         var str = this;
1167         var out = '';
1168         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1169         var a = b = [], numSubstitutions = 0, numMatches = 0;
1170
1171         while( a = re.exec(str) )
1172         {
1173                 var m = a[1];
1174                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1175                 var pPrecision = a[6], pType = a[7];
1176
1177                 numMatches++;
1178
1179                 if (pType == '%')
1180                 {
1181                         subst = '%';
1182                 }
1183                 else
1184                 {
1185                         if (numSubstitutions < arguments.length)
1186                         {
1187                                 var param = arguments[numSubstitutions++];
1188
1189                                 var pad = '';
1190                                 if (pPad && pPad.substr(0,1) == "'")
1191                                         pad = leftpart.substr(1,1);
1192                                 else if (pPad)
1193                                         pad = pPad;
1194
1195                                 var justifyRight = true;
1196                                 if (pJustify && pJustify === "-")
1197                                         justifyRight = false;
1198
1199                                 var minLength = -1;
1200                                 if (pMinLength)
1201                                         minLength = parseInt(pMinLength);
1202
1203                                 var precision = -1;
1204                                 if (pPrecision && pType == 'f')
1205                                         precision = parseInt(pPrecision.substring(1));
1206
1207                                 var subst = param;
1208
1209                                 switch(pType)
1210                                 {
1211                                         case 'b':
1212                                                 subst = (parseInt(param) || 0).toString(2);
1213                                                 break;
1214
1215                                         case 'c':
1216                                                 subst = String.fromCharCode(parseInt(param) || 0);
1217                                                 break;
1218
1219                                         case 'd':
1220                                                 subst = (parseInt(param) || 0);
1221                                                 break;
1222
1223                                         case 'u':
1224                                                 subst = Math.abs(parseInt(param) || 0);
1225                                                 break;
1226
1227                                         case 'f':
1228                                                 subst = (precision > -1)
1229                                                         ? ((parseFloat(param) || 0.0)).toFixed(precision)
1230                                                         : (parseFloat(param) || 0.0);
1231                                                 break;
1232
1233                                         case 'o':
1234                                                 subst = (parseInt(param) || 0).toString(8);
1235                                                 break;
1236
1237                                         case 's':
1238                                                 subst = param;
1239                                                 break;
1240
1241                                         case 'x':
1242                                                 subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
1243                                                 break;
1244
1245                                         case 'X':
1246                                                 subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
1247                                                 break;
1248
1249                                         case 'h':
1250                                                 subst = esc(param, html_esc);
1251                                                 break;
1252
1253                                         case 'q':
1254                                                 subst = esc(param, quot_esc);
1255                                                 break;
1256
1257                                         case 'j':
1258                                                 subst = String.serialize(param);
1259                                                 break;
1260
1261                                         case 't':
1262                                                 var td = 0;
1263                                                 var th = 0;
1264                                                 var tm = 0;
1265                                                 var ts = (param || 0);
1266
1267                                                 if (ts > 60) {
1268                                                         tm = Math.floor(ts / 60);
1269                                                         ts = (ts % 60);
1270                                                 }
1271
1272                                                 if (tm > 60) {
1273                                                         th = Math.floor(tm / 60);
1274                                                         tm = (tm % 60);
1275                                                 }
1276
1277                                                 if (th > 24) {
1278                                                         td = Math.floor(th / 24);
1279                                                         th = (th % 24);
1280                                                 }
1281
1282                                                 subst = (td > 0)
1283                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1284                                                         : String.format('%dh %dm %ds', th, tm, ts);
1285
1286                                                 break;
1287
1288                                         case 'm':
1289                                                 var mf = pMinLength ? parseInt(pMinLength) : 1000;
1290                                                 var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1291
1292                                                 var i = 0;
1293                                                 var val = parseFloat(param || 0);
1294                                                 var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1295
1296                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1297                                                         val /= mf;
1298
1299                                                 subst = val.toFixed(pr) + ' ' + units[i];
1300                                                 break;
1301                                 }
1302                         }
1303                 }
1304
1305                 out += leftpart + subst;
1306                 str = str.substr(m.length);
1307         }
1308
1309         return out + str;
1310 }
1311
1312 String.prototype.nobr = function()
1313 {
1314         return this.replace(/[\s\n]+/g, '&#160;');
1315 }
1316
1317 String.serialize = function()
1318 {
1319         var a = [ ];
1320         for (var i = 1; i < arguments.length; i++)
1321                 a.push(arguments[i]);
1322         return ''.serialize.apply(arguments[0], a);
1323 }
1324
1325 String.format = function()
1326 {
1327         var a = [ ];
1328         for (var i = 1; i < arguments.length; i++)
1329                 a.push(arguments[i]);
1330         return ''.format.apply(arguments[0], a);
1331 }
1332
1333 String.nobr = function()
1334 {
1335         var a = [ ];
1336         for (var i = 1; i < arguments.length; i++)
1337                 a.push(arguments[i]);
1338         return ''.nobr.apply(arguments[0], a);
1339 }