modules/luci-base/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 <jow@openwrt.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_strings = { path: {}, label: {} };
  17
  18 function Int(x) {
  19         return (/^-?\d+$/.test(x) ? +x : NaN);
  20 }
  21
  22 function Dec(x) {
  23         return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
  24 }
  25
  26 var cbi_validators = {
  27
  28         'integer': function()
  29         {
  30                 return !!Int(this);
  31         },
  32
  33         'uinteger': function()
  34         {
  35                 return (Int(this) >= 0);
  36         },
  37
  38         'float': function()
  39         {
  40                 return !!Dec(this);
  41         },
  42
  43         'ufloat': function()
  44         {
  45                 return (Dec(this) >= 0);
  46         },
  47
  48         'ipaddr': function()
  49         {
  50                 return cbi_validators.ip4addr.apply(this) ||
  51                         cbi_validators.ip6addr.apply(this);
  52         },
  53
  54         'ip4addr': function()
  55         {
  56                 if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
  57                 {
  58                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  59                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  60                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  61                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  62                                ((RegExp.$6.indexOf('.') < 0)
  63                                   ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
  64                                   : (cbi_validators.ip4addr.apply(RegExp.$6)))
  65                         ;
  66                 }
  67
  68                 return false;
  69         },
  70
  71         'ip6addr': function()
  72         {
  73                 if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  74                 {
  75                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  76                         {
  77                                 var addr = RegExp.$1;
  78
  79                                 if( addr == '::' )
  80                                 {
  81                                         return true;
  82                                 }
  83
  84                                 if( addr.indexOf('.') > 0 )
  85                                 {
  86                                         var off = addr.lastIndexOf(':');
  87
  88                                         if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
  89                                                 return false;
  90
  91                                         addr = addr.substr(0, off) + ':0:0';
  92                                 }
  93
  94                                 if( addr.indexOf('::') >= 0 )
  95                                 {
  96                                         var colons = 0;
  97                                         var fill = '0';
  98
  99                                         for( var i = 1; i < (addr.length-1); i++ )
 100                                                 if( addr.charAt(i) == ':' )
 101                                                         colons++;
 102
 103                                         if( colons > 7 )
 104                                                 return false;
 105
 106                                         for( var i = 0; i < (7 - colons); i++ )
 107                                                 fill += ':0';
 108
 109                                         if (addr.match(/^(.*?)::(.*?)$/))
 110                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 111                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 112                                 }
 113
 114                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 115                         }
 116                 }
 117
 118                 return false;
 119         },
 120
 121         'ip4prefix': function()
 122         {
 123                 return !isNaN(this) && this >= 0 && this <= 32;
 124         },
 125
 126         'ip6prefix': function()
 127         {
 128                 return !isNaN(this) && this >= 0 && this <= 128;
 129         },
 130
 131         'cidr': function()
 132         {
 133                 return cbi_validators.cidr4.apply(this) ||
 134                         cbi_validators.cidr6.apply(this);
 135         },
 136
 137         'cidr4': function()
 138         {
 139                 if (this.match(/^(\S+)\/(\S+)$/))
 140                 {
 141                         ip = RegExp.$1;
 142                         mask = RegExp.$2;
 143                         return cbi_validators.ip4addr.apply(ip) &&
 144                                 cbi_validators.ip4prefix.apply(mask);
 145                 }
 146                 return false;
 147         },
 148
 149         'cidr6': function()
 150         {
 151                 if (this.match(/^(\S+)\/(\S+)$/))
 152                 {
 153                         ip = RegExp.$1;
 154                         mask = RegExp.$2;
 155                         return cbi_validators.ip6addr.apply(ip) &&
 156                                 cbi_validators.ip6prefix.apply(mask);
 157                 }
 158                 return false;
 159         },
 160
 161         'ipnet4': function()
 162         {
 163                 if (this.match(/^(\S+)\/(\S+)$/))
 164                 {
 165                         ip = RegExp.$1;
 166                         net = RegExp.$2;
 167                         return cbi_validators.ip4addr.apply(ip) &&
 168                                 cbi_validators.ip4addr.apply(net);
 169                 }
 170                 return false;
 171         },
 172
 173         'ipnet6': function()
 174         {
 175                 if (this.match(/^(\S+)\/(\S+)$/))
 176                 {
 177                         ip = RegExp.$1;
 178                         net = RegExp.$2;
 179                         return cbi_validators.ip6addr.apply(ip) &&
 180                                 cbi_validators.ip6addr.apply(net);
 181                 }
 182                 return false;
 183         },
 184
 185         'ipmask': function()
 186         {
 187                 return cbi_validators.ipmask4.apply(this) ||
 188                         cbi_validators.ipmask6.apply(this);
 189         },
 190
 191         'ipmask4': function()
 192         {
 193                 return cbi_validators.cidr4.apply(this) ||
 194                         cbi_validators.ipnet4.apply(this) ||
 195                         cbi_validators.ip4addr.apply(this);
 196         },
 197
 198         'ipmask6': function()
 199         {
 200                 return cbi_validators.cidr6.apply(this) ||
 201                         cbi_validators.ipnet6.apply(this) ||
 202                         cbi_validators.ip6addr.apply(this);
 203         },
 204
 205         'port': function()
 206         {
 207                 var p = Int(this);
 208                 return (p >= 0 && p <= 65535);
 209         },
 210
 211         'portrange': function()
 212         {
 213                 if (this.match(/^(\d+)-(\d+)$/))
 214                 {
 215                         var p1 = +RegExp.$1;
 216                         var p2 = +RegExp.$2;
 217                         return (p1 <= p2 && p2 <= 65535);
 218                 }
 219
 220                 return cbi_validators.port.apply(this);
 221         },
 222
 223         'macaddr': function()
 224         {
 225                 return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 226         },
 227
 228         'host': function(ipv4only)
 229         {
 230                 return cbi_validators.hostname.apply(this) ||
 231                         ((ipv4only != 1) && cbi_validators.ipaddr.apply(this)) ||
 232                         ((ipv4only == 1) && cb_validators.ip4addr.apply(this));
 233         },
 234
 235         'hostname': function()
 236         {
 237                 if (this.length <= 253)
 238                         return (this.match(/^[a-zA-Z0-9]+$/) != null ||
 239                                 (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 240                                  this.match(/[^0-9.]/)));
 241
 242                 return false;
 243         },
 244
 245         'network': function()
 246         {
 247                 return cbi_validators.uciname.apply(this) ||
 248                         cbi_validators.host.apply(this);
 249         },
 250
 251         'hostport': function(ipv4only)
 252         {
 253                 var hp = this.split(/:/);
 254
 255                 if (hp.length == 2)
 256                         return (cbi_validators.host.apply(hp[0], ipv4only) &&
 257                                 cbi_validators.port.apply(hp[1]));
 258
 259                 return false;
 260         },
 261
 262         'ip4addrport': function()
 263         {
 264                 var hp = this.split(/:/);
 265
 266                 if (hp.length == 2)
 267                         return (cbi_validators.ipaddr.apply(hp[0]) &&
 268                                 cbi_validators.port.apply(hp[1]));
 269                 return false;
 270         },
 271
 272         'ipaddrport': function(bracket)
 273         {
 274                 if (this.match(/^([^\[\]:]+):([^:]+)$/)) {
 275                         var addr = RegExp.$1
 276                         var port = RegExp.$2
 277                         return (cbi_validators.ip4addr.apply(addr) &&
 278                                 cbi_validators.port.apply(port));
 279                 } else if ((bracket == 1) && (this.match(/^\[(.+)\]:([^:]+)$/))) {
 280                         var addr = RegExp.$1
 281                         var port = RegExp.$2
 282                         return (cbi_validators.ip6addr.apply(addr) &&
 283                                 cbi_validators.port.apply(port));
 284                 } else if ((bracket != 1) && (this.match(/^([^\[\]]+):([^:]+)$/))) {
 285                         var addr = RegExp.$1
 286                         var port = RegExp.$2
 287                         return (cbi_validators.ip6addr.apply(addr) &&
 288                                 cbi_validators.port.apply(port));
 289                 } else {
 290                         return false;
 291                 }
 292         },
 293
 294         'wpakey': function()
 295         {
 296                 var v = this;
 297
 298                 if( v.length == 64 )
 299                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 300                 else
 301                         return (v.length >= 8) && (v.length <= 63);
 302         },
 303
 304         'wepkey': function()
 305         {
 306                 var v = this;
 307
 308                 if ( v.substr(0,2) == 's:' )
 309                         v = v.substr(2);
 310
 311                 if( (v.length == 10) || (v.length == 26) )
 312                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 313                 else
 314                         return (v.length == 5) || (v.length == 13);
 315         },
 316
 317         'uciname': function()
 318         {
 319                 return (this.match(/^[a-zA-Z0-9_]+$/) != null);
 320         },
 321
 322         'range': function(min, max)
 323         {
 324                 var val = Dec(this);
 325                 return (val >= +min && val <= +max);
 326         },
 327
 328         'min': function(min)
 329         {
 330                 return (Dec(this) >= +min);
 331         },
 332
 333         'max': function(max)
 334         {
 335                 return (Dec(this) <= +max);
 336         },
 337
 338         'rangelength': function(min, max)
 339         {
 340                 var val = '' + this;
 341                 return ((val.length >= +min) && (val.length <= +max));
 342         },
 343
 344         'minlength': function(min)
 345         {
 346                 return ((''+this).length >= +min);
 347         },
 348
 349         'maxlength': function(max)
 350         {
 351                 return ((''+this).length <= +max);
 352         },
 353
 354         'or': function()
 355         {
 356                 for (var i = 0; i < arguments.length; i += 2)
 357                 {
 358                         if (typeof arguments[i] != 'function')
 359                         {
 360                                 if (arguments[i] == this)
 361                                         return true;
 362                                 i--;
 363                         }
 364                         else if (arguments[i].apply(this, arguments[i+1]))
 365                         {
 366                                 return true;
 367                         }
 368                 }
 369                 return false;
 370         },
 371
 372         'and': function()
 373         {
 374                 for (var i = 0; i < arguments.length; i += 2)
 375                 {
 376                         if (typeof arguments[i] != 'function')
 377                         {
 378                                 if (arguments[i] != this)
 379                                         return false;
 380                                 i--;
 381                         }
 382                         else if (!arguments[i].apply(this, arguments[i+1]))
 383                         {
 384                                 return false;
 385                         }
 386                 }
 387                 return true;
 388         },
 389
 390         'neg': function()
 391         {
 392                 return cbi_validators.or.apply(
 393                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 394         },
 395
 396         'list': function(subvalidator, subargs)
 397         {
 398                 if (typeof subvalidator != 'function')
 399                         return false;
 400
 401                 var tokens = this.match(/[^ \t]+/g);
 402                 for (var i = 0; i < tokens.length; i++)
 403                         if (!subvalidator.apply(tokens[i], subargs))
 404                                 return false;
 405
 406                 return true;
 407         },
 408         'phonedigit': function()
 409         {
 410                 return (this.match(/^[0-9\*#!\.]+$/) != null);
 411         },
 412         'timehhmmss': function()
 413         {
 414                 return (this.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/) != null);
 415         },
 416         'dateyyyymmdd': function()
 417         {
 418                 if (this == null) {
 419                         return false;
 420                 }
 421                 if (this.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 422                         var year = RegExp.$1;
 423                         var month = RegExp.$2;
 424                         var day = RegExp.$2
 425
 426                         var days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30 , 31, 30, 31 ];
 427                         function is_leap_year(year) {
 428                                 return ((year % 4) == 0) && ((year % 100) != 0) || ((year % 400) == 0);
 429                         }
 430                         function get_days_in_month(month, year) {
 431                                 if ((month == 2) && is_leap_year(year)) {
 432                                         return 29;
 433                                 } else {
 434                                         return days_in_month[month];
 435                                 }
 436                         }
 437                         /* Firewall rules in the past don't make sense */
 438                         if (year < 2015) {
 439                                 return false;
 440                         }
 441                         if ((month <= 0) || (month > 12)) {
 442                                 return false;
 443                         }
 444                         if ((day <= 0) || (day > get_days_in_month(month, year))) {
 445                                 return false;
 446                         }
 447                         return true;
 448
 449                 } else {
 450                         return false;
 451                 }
 452         }
 453 };
 454
 455
 456 function cbi_d_add(field, dep, index) {
 457         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 458         if (obj) {
 459                 var entry
 460                 for (var i=0; i<cbi_d.length; i++) {
 461                         if (cbi_d[i].id == obj.id) {
 462                                 entry = cbi_d[i];
 463                                 break;
 464                         }
 465                 }
 466                 if (!entry) {
 467                         entry = {
 468                                 "node": obj,
 469                                 "id": obj.id,
 470                                 "parent": obj.parentNode.id,
 471                                 "deps": [],
 472                                 "index": index
 473                         };
 474                         cbi_d.unshift(entry);
 475                 }
 476                 entry.deps.push(dep)
 477         }
 478 }
 479
 480 function cbi_d_checkvalue(target, ref) {
 481         var t = document.getElementById(target);
 482         var value;
 483
 484         if (!t) {
 485                 var tl = document.getElementsByName(target);
 486
 487                 if( tl.length > 0 && (tl[0].type == 'radio' || tl[0].type == 'checkbox'))
 488                         for( var i = 0; i < tl.length; i++ )
 489                                 if( tl[i].checked ) {
 490                                         value = tl[i].value;
 491                                         break;
 492                                 }
 493
 494                 value = value ? value : "";
 495         } else if (!t.value) {
 496                 value = "";
 497         } else {
 498                 value = t.value;
 499
 500                 if (t.type == "checkbox") {
 501                         value = t.checked ? value : "";
 502                 }
 503         }
 504
 505         return (value == ref)
 506 }
 507
 508 function cbi_d_check(deps) {
 509         var reverse;
 510         var def = false;
 511         for (var i=0; i<deps.length; i++) {
 512                 var istat = true;
 513                 reverse = false;
 514                 for (var j in deps[i]) {
 515                         if (j == "!reverse") {
 516                                 reverse = true;
 517                         } else if (j == "!default") {
 518                                 def = true;
 519                                 istat = false;
 520                         } else {
 521                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 522                         }
 523                 }
 524
 525                 if (istat ^ reverse) {
 526                         return true;
 527                 }
 528         }
 529         return def;
 530 }
 531
 532 function cbi_d_update() {
 533         var state = false;
 534         for (var i=0; i<cbi_d.length; i++) {
 535                 var entry = cbi_d[i];
 536                 var node  = document.getElementById(entry.id);
 537                 var parent = document.getElementById(entry.parent);
 538
 539                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 540                         node.parentNode.removeChild(node);
 541                         state = true;
 542                 } else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 543                         var next = undefined;
 544
 545                         for (next = parent.firstChild; next; next = next.nextSibling) {
 546                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index) {
 547                                         break;
 548                                 }
 549                         }
 550
 551                         if (!next) {
 552                                 parent.appendChild(entry.node);
 553                         } else {
 554                                 parent.insertBefore(entry.node, next);
 555                         }
 556
 557                         state = true;
 558                 }
 559
 560                 // hide optionals widget if no choices remaining
 561                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 562                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 563         }
 564
 565         if (entry && entry.parent) {
 566                 if (!cbi_t_update())
 567                         cbi_tag_last(parent);
 568         }
 569
 570         if (state) {
 571                 cbi_d_update();
 572         }
 573 }
 574
 575 function cbi_init() {
 576         var nodes;
 577
 578         nodes = document.querySelectorAll('[data-strings]');
 579
 580         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 581                 var str = JSON.parse(node.getAttribute('data-strings'));
 582                 for (var key in str) {
 583                         for (var key2 in str[key]) {
 584                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 585                                     dst[key2] = str[key][key2];
 586                         }
 587                 }
 588         }
 589
 590         nodes = document.querySelectorAll('[data-depends]');
 591
 592         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 593                 var index = parseInt(node.getAttribute('data-index'), 10);
 594                 var depends = JSON.parse(node.getAttribute('data-depends'));
 595                 if (!isNaN(index) && depends.length > 0) {
 596                         for (var alt = 0; alt < depends.length; alt++) {
 597                                 cbi_d_add(node, depends[alt], index);
 598                         }
 599                 }
 600         }
 601
 602         nodes = document.querySelectorAll('[data-update]');
 603
 604         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 605                 var events = node.getAttribute('data-update').split(' ');
 606                 for (var j = 0, event; (event = events[j]) !== undefined; j++) {
 607                         cbi_bind(node, event, cbi_d_update);
 608                 }
 609         }
 610
 611         nodes = document.querySelectorAll('[data-choices]');
 612
 613         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 614                 var choices = JSON.parse(node.getAttribute('data-choices'));
 615                 var options = {};
 616
 617                 for (var j = 0; j < choices[0].length; j++)
 618                         options[choices[0][j]] = choices[1][j];
 619
 620                 var def = (node.getAttribute('data-optional') === 'true')
 621                         ? node.placeholder || '' : null;
 622
 623                 cbi_combobox_init(node, options, def,
 624                                   node.getAttribute('data-manual'));
 625         }
 626
 627         nodes = document.querySelectorAll('[data-dynlist]');
 628
 629         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 630                 var choices = JSON.parse(node.getAttribute('data-dynlist'));
 631                 var options = null;
 632
 633                 if (choices[0] && choices[0].length) {
 634                         options = {};
 635
 636                         for (var j = 0; j < choices[0].length; j++)
 637                                 options[choices[0][j]] = choices[1][j];
 638                 }
 639
 640                 cbi_dynlist_init(node, choices[2], choices[3], options);
 641         }
 642
 643         nodes = document.querySelectorAll('[data-type]');
 644
 645         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 646                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 647                                    node.getAttribute('data-type'));
 648         }
 649
 650         cbi_d_update();
 651 }
 652
 653 function cbi_bind(obj, type, callback, mode) {
 654         if (!obj.addEventListener) {
 655                 obj.attachEvent('on' + type,
 656                         function(){
 657                                 var e = window.event;
 658
 659                                 if (!e.target && e.srcElement)
 660                                         e.target = e.srcElement;
 661
 662                                 return !!callback(e);
 663                         }
 664                 );
 665         } else {
 666                 obj.addEventListener(type, callback, !!mode);
 667         }
 668         return obj;
 669 }
 670
 671 function cbi_combobox(id, values, def, man, focus) {
 672         var selid = "cbi.combobox." + id;
 673         if (document.getElementById(selid)) {
 674                 return
 675         }
 676
 677         var obj = document.getElementById(id)
 678         var sel = document.createElement("select");
 679                 sel.id = selid;
 680                 sel.index = obj.index;
 681                 sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
 682
 683         if (obj.nextSibling) {
 684                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 685         } else {
 686                 obj.parentNode.appendChild(sel);
 687         }
 688
 689         var dt = obj.getAttribute('cbi_datatype');
 690         var op = obj.getAttribute('cbi_optional');
 691
 692         if (!values[obj.value]) {
 693                 if (obj.value == "") {
 694                         var optdef = document.createElement("option");
 695                         optdef.value = "";
 696                         optdef.appendChild(document.createTextNode(typeof(def) === 'string' ? def : cbi_strings.label.choose));
 697                         sel.appendChild(optdef);
 698                 } else {
 699                         var opt = document.createElement("option");
 700                         opt.value = obj.value;
 701                         opt.selected = "selected";
 702                         opt.appendChild(document.createTextNode(obj.value));
 703                         sel.appendChild(opt);
 704                 }
 705         }
 706
 707         for (var i in values) {
 708                 var opt = document.createElement("option");
 709                 opt.value = i;
 710
 711                 if (obj.value == i) {
 712                         opt.selected = "selected";
 713                 }
 714
 715                 opt.appendChild(document.createTextNode(values[i]));
 716                 sel.appendChild(opt);
 717         }
 718
 719         var optman = document.createElement("option");
 720         optman.value = "";
 721         optman.appendChild(document.createTextNode(typeof(man) === 'string' ? man : cbi_strings.label.custom));
 722         sel.appendChild(optman);
 723
 724         obj.style.display = "none";
 725
 726         if (dt)
 727                 cbi_validate_field(sel, op == 'true', dt);
 728
 729         cbi_bind(sel, "change", function() {
 730                 if (sel.selectedIndex == sel.options.length - 1) {
 731                         obj.style.display = "inline";
 732                         sel.blur();
 733                         sel.parentNode.removeChild(sel);
 734                         obj.focus();
 735                 } else {
 736                         obj.value = sel.options[sel.selectedIndex].value;
 737                 }
 738
 739                 try {
 740                         cbi_d_update();
 741                 } catch (e) {
 742                         //Do nothing
 743                 }
 744         })
 745
 746         // Retrigger validation in select
 747         if (focus) {
 748                 sel.focus();
 749                 sel.blur();
 750         }
 751 }
 752
 753 function cbi_combobox_init(id, values, def, man) {
 754         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 755         cbi_bind(obj, "blur", function() {
 756                 cbi_combobox(obj.id, values, def, man, true);
 757         });
 758         cbi_combobox(obj.id, values, def, man, false);
 759 }
 760
 761 function cbi_filebrowser(id, defpath) {
 762         var field   = document.getElementById(id);
 763         var browser = window.open(
 764                 cbi_strings.path.browser + ( field.value || defpath || '' ) + '?field=' + id,
 765                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 766         );
 767
 768         browser.focus();
 769 }
 770
 771 function cbi_browser_init(id, resource, defpath)
 772 {
 773         function cbi_browser_btnclick(e) {
 774                 cbi_filebrowser(id, defpath);
 775                 return false;
 776         }
 777
 778         var field = document.getElementById(id);
 779
 780         var btn = document.createElement('img');
 781         btn.className = 'cbi-image-button';
 782         btn.src = (resource || cbi_strings.path.resource) + '/cbi/folder.gif';
 783         field.parentNode.insertBefore(btn, field.nextSibling);
 784
 785         cbi_bind(btn, 'click', cbi_browser_btnclick);
 786 }
 787
 788 function cbi_dynlist_init(parent, datatype, optional, choices)
 789 {
 790         var prefix = parent.getAttribute('data-prefix');
 791         var holder = parent.getAttribute('data-placeholder');
 792
 793         var values;
 794
 795         function cbi_dynlist_redraw(focus, add, del)
 796         {
 797                 values = [ ];
 798
 799                 while (parent.firstChild)
 800                 {
 801                         var n = parent.firstChild;
 802                         var i = +n.index;
 803
 804                         if (i != del)
 805                         {
 806                                 if (n.nodeName.toLowerCase() == 'input')
 807                                         values.push(n.value || '');
 808                                 else if (n.nodeName.toLowerCase() == 'select')
 809                                         values[values.length-1] = n.options[n.selectedIndex].value;
 810                         }
 811
 812                         parent.removeChild(n);
 813                 }
 814
 815                 if (add >= 0)
 816                 {
 817                         focus = add+1;
 818                         values.splice(focus, 0, '');
 819                 }
 820                 else if (values.length == 0)
 821                 {
 822                         focus = 0;
 823                         values.push('');
 824                 }
 825
 826                 for (var i = 0; i < values.length; i++)
 827                 {
 828                         var t = document.createElement('input');
 829                                 t.id = prefix + '.' + (i+1);
 830                                 t.name = prefix;
 831                                 t.value = values[i];
 832                                 t.type = 'text';
 833                                 t.index = i;
 834                                 t.className = 'cbi-input-text';
 835
 836                         if (i == 0 && holder)
 837                         {
 838                                 t.placeholder = holder;
 839                         }
 840
 841                         var b = document.createElement('img');
 842                                 b.src = cbi_strings.path.resource + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 843                                 b.className = 'cbi-image-button';
 844
 845                         parent.appendChild(t);
 846                         parent.appendChild(b);
 847                         if (datatype == 'file')
 848                         {
 849                                 cbi_browser_init(t.id, null, parent.getAttribute('data-browser-path'));
 850                         }
 851
 852                         parent.appendChild(document.createElement('br'));
 853
 854                         if (datatype)
 855                         {
 856                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 857                         }
 858
 859                         if (choices)
 860                         {
 861                                 cbi_combobox_init(t.id, choices, '', cbi_strings.label.custom);
 862                                 b.index = i;
 863
 864                                 cbi_bind(b, 'keydown',  cbi_dynlist_keydown);
 865                                 cbi_bind(b, 'keypress', cbi_dynlist_keypress);
 866
 867                                 if (i == focus || -i == focus)
 868                                         b.focus();
 869                         }
 870                         else
 871                         {
 872                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 873                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 874
 875                                 if (i == focus)
 876                                 {
 877                                         t.focus();
 878                                 }
 879                                 else if (-i == focus)
 880                                 {
 881                                         t.focus();
 882
 883                                         /* force cursor to end */
 884                                         var v = t.value;
 885                                         t.value = ' '
 886                                         t.value = v;
 887                                 }
 888                         }
 889
 890                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 891                 }
 892         }
 893
 894         function cbi_dynlist_keypress(ev)
 895         {
 896                 ev = ev ? ev : window.event;
 897
 898                 var se = ev.target ? ev.target : ev.srcElement;
 899
 900                 if (se.nodeType == 3)
 901                         se = se.parentNode;
 902
 903                 switch (ev.keyCode)
 904                 {
 905                         /* backspace, delete */
 906                         case 8:
 907                         case 46:
 908                                 if (se.value.length == 0)
 909                                 {
 910                                         if (ev.preventDefault)
 911                                                 ev.preventDefault();
 912
 913                                         return false;
 914                                 }
 915
 916                                 return true;
 917
 918                         /* enter, arrow up, arrow down */
 919                         case 13:
 920                         case 38:
 921                         case 40:
 922                                 if (ev.preventDefault)
 923                                         ev.preventDefault();
 924
 925                                 return false;
 926                 }
 927
 928                 return true;
 929         }
 930
 931         function cbi_dynlist_keydown(ev)
 932         {
 933                 ev = ev ? ev : window.event;
 934
 935                 var se = ev.target ? ev.target : ev.srcElement;
 936
 937                 if (se.nodeType == 3)
 938                         se = se.parentNode;
 939
 940                 var prev = se.previousSibling;
 941                 while (prev && prev.name != prefix)
 942                         prev = prev.previousSibling;
 943
 944                 var next = se.nextSibling;
 945                 while (next && next.name != prefix)
 946                         next = next.nextSibling;
 947
 948                 /* advance one further in combobox case */
 949                 if (next && next.nextSibling.name == prefix)
 950                         next = next.nextSibling;
 951
 952                 switch (ev.keyCode)
 953                 {
 954                         /* backspace, delete */
 955                         case 8:
 956                         case 46:
 957                                 var del = (se.nodeName.toLowerCase() == 'select')
 958                                         ? true : (se.value.length == 0);
 959
 960                                 if (del)
 961                                 {
 962                                         if (ev.preventDefault)
 963                                                 ev.preventDefault();
 964
 965                                         var focus = se.index;
 966                                         if (ev.keyCode == 8)
 967                                                 focus = -focus+1;
 968
 969                                         cbi_dynlist_redraw(focus, -1, se.index);
 970
 971                                         return false;
 972                                 }
 973
 974                                 break;
 975
 976                         /* enter */
 977                         case 13:
 978                                 cbi_dynlist_redraw(-1, se.index, -1);
 979                                 break;
 980
 981                         /* arrow up */
 982                         case 38:
 983                                 if (prev)
 984                                         prev.focus();
 985
 986                                 break;
 987
 988                         /* arrow down */
 989                         case 40:
 990                                 if (next)
 991                                         next.focus();
 992
 993                                 break;
 994                 }
 995
 996                 return true;
 997         }
 998
 999         function cbi_dynlist_btnclick(ev)
1000         {
1001                 ev = ev ? ev : window.event;
1002
1003                 var se = ev.target ? ev.target : ev.srcElement;
1004                 var input = se.previousSibling;
1005                 while (input && input.name != prefix) {
1006                         input = input.previousSibling;
1007                 }
1008
1009                 if (se.src.indexOf('remove') > -1)
1010                 {
1011                         input.value = '';
1012
1013                         cbi_dynlist_keydown({
1014                                 target:  input,
1015                                 keyCode: 8
1016                         });
1017                 }
1018                 else
1019                 {
1020                         cbi_dynlist_keydown({
1021                                 target:  input,
1022                                 keyCode: 13
1023                         });
1024                 }
1025
1026                 return false;
1027         }
1028
1029         cbi_dynlist_redraw(NaN, -1, -1);
1030 }
1031
1032
1033 function cbi_t_add(section, tab) {
1034         var t = document.getElementById('tab.' + section + '.' + tab);
1035         var c = document.getElementById('container.' + section + '.' + tab);
1036
1037         if( t && c ) {
1038                 cbi_t[section] = (cbi_t[section] || [ ]);
1039                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
1040         }
1041 }
1042
1043 function cbi_t_switch(section, tab) {
1044         if( cbi_t[section] && cbi_t[section][tab] ) {
1045                 var o = cbi_t[section][tab];
1046                 var h = document.getElementById('tab.' + section);
1047                 for( var tid in cbi_t[section] ) {
1048                         var o2 = cbi_t[section][tid];
1049                         if( o.tab.id != o2.tab.id ) {
1050                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
1051                                 o2.container.style.display = 'none';
1052                         }
1053                         else {
1054                                 if(h) h.value = tab;
1055                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
1056                                 o2.container.style.display = 'block';
1057                         }
1058                 }
1059         }
1060         return false
1061 }
1062
1063 function cbi_t_update() {
1064         var hl_tabs = [ ];
1065         var updated = false;
1066
1067         for( var sid in cbi_t )
1068                 for( var tid in cbi_t[sid] )
1069                 {
1070                         var t = cbi_t[sid][tid].tab;
1071                         var c = cbi_t[sid][tid].container;
1072
1073                         if (!c.firstElementChild) {
1074                                 t.style.display = 'none';
1075                         }
1076                         else if (t.style.display == 'none') {
1077                                 t.style.display = '';
1078                                 t.className += ' cbi-tab-highlighted';
1079                                 hl_tabs.push(t);
1080                         }
1081
1082                         cbi_tag_last(c);
1083                         updated = true;
1084                 }
1085
1086         if (hl_tabs.length > 0)
1087                 window.setTimeout(function() {
1088                         for( var i = 0; i < hl_tabs.length; i++ )
1089                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
1090                 }, 750);
1091
1092         return updated;
1093 }
1094
1095
1096 function cbi_validate_form(form, errmsg)
1097 {
1098         /* if triggered by a section removal or addition, don't validate */
1099         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
1100                 return true;
1101
1102         if( form.cbi_validators )
1103         {
1104                 for( var i = 0; i < form.cbi_validators.length; i++ )
1105                 {
1106                         var validator = form.cbi_validators[i];
1107                         if( !validator() && errmsg )
1108                         {
1109                                 alert(errmsg);
1110                                 return false;
1111                         }
1112                 }
1113         }
1114
1115         return true;
1116 }
1117
1118 function cbi_validate_reset(form)
1119 {
1120         window.setTimeout(
1121                 function() { cbi_validate_form(form, null) }, 100
1122         );
1123
1124         return true;
1125 }
1126
1127 function cbi_validate_compile(code)
1128 {
1129         var pos = 0;
1130         var esc = false;
1131         var depth = 0;
1132         var stack = [ ];
1133
1134         code += ',';
1135
1136         for (var i = 0; i < code.length; i++)
1137         {
1138                 if (esc)
1139                 {
1140                         esc = false;
1141                         continue;
1142                 }
1143
1144                 switch (code.charCodeAt(i))
1145                 {
1146                 case 92:
1147                         esc = true;
1148                         break;
1149
1150                 case 40:
1151                 case 44:
1152                         if (depth <= 0)
1153                         {
1154                                 if (pos < i)
1155                                 {
1156                                         var label = code.substring(pos, i);
1157                                                 label = label.replace(/\\(.)/g, '$1');
1158                                                 label = label.replace(/^[ \t]+/g, '');
1159                                                 label = label.replace(/[ \t]+$/g, '');
1160
1161                                         if (label && !isNaN(label))
1162                                         {
1163                                                 stack.push(parseFloat(label));
1164                                         }
1165                                         else if (label.match(/^(['"]).*\1$/))
1166                                         {
1167                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
1168                                         }
1169                                         else if (typeof cbi_validators[label] == 'function')
1170                                         {
1171                                                 stack.push(cbi_validators[label]);
1172                                                 stack.push(null);
1173                                         }
1174                                         else
1175                                         {
1176                                                 throw "Syntax error, unhandled token '"+label+"'";
1177                                         }
1178                                 }
1179                                 pos = i+1;
1180                         }
1181                         depth += (code.charCodeAt(i) == 40);
1182                         break;
1183
1184                 case 41:
1185                         if (--depth <= 0)
1186                         {
1187                                 if (typeof stack[stack.length-2] != 'function')
1188                                         throw "Syntax error, argument list follows non-function";
1189
1190                                 stack[stack.length-1] =
1191                                         arguments.callee(code.substring(pos, i));
1192
1193                                 pos = i+1;
1194                         }
1195                         break;
1196                 }
1197         }
1198
1199         return stack;
1200 }
1201
1202 function cbi_validate_field(cbid, optional, type)
1203 {
1204         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
1205         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
1206
1207         if (field && vstack && typeof vstack[0] == "function")
1208         {
1209                 var validator = function()
1210                 {
1211                         // is not detached
1212                         if( field.form )
1213                         {
1214                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
1215
1216                                 // validate value
1217                                 var value = (field.options && field.options.selectedIndex > -1)
1218                                         ? field.options[field.options.selectedIndex].value : field.value;
1219
1220                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
1221                                 {
1222                                         // invalid
1223                                         field.className += ' cbi-input-invalid';
1224                                         return false;
1225                                 }
1226                         }
1227
1228                         return true;
1229                 };
1230
1231                 if( ! field.form.cbi_validators )
1232                         field.form.cbi_validators = [ ];
1233
1234                 field.form.cbi_validators.push(validator);
1235
1236                 cbi_bind(field, "blur",  validator);
1237                 cbi_bind(field, "keyup", validator);
1238
1239                 if (field.nodeName == 'SELECT')
1240                 {
1241                         cbi_bind(field, "change", validator);
1242                         cbi_bind(field, "click",  validator);
1243                 }
1244
1245                 field.setAttribute("cbi_validate", validator);
1246                 field.setAttribute("cbi_datatype", type);
1247                 field.setAttribute("cbi_optional", (!!optional).toString());
1248
1249                 validator();
1250
1251                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1252                 if (fcbox)
1253                         cbi_validate_field(fcbox, optional, type);
1254         }
1255 }
1256
1257 function cbi_row_swap(elem, up, store)
1258 {
1259         var tr = elem.parentNode;
1260         while (tr && tr.nodeName.toLowerCase() != 'tr')
1261                 tr = tr.parentNode;
1262
1263         if (!tr)
1264                 return false;
1265
1266         var table = tr.parentNode;
1267         while (table && table.nodeName.toLowerCase() != 'table')
1268                 table = table.parentNode;
1269
1270         if (!table)
1271                 return false;
1272
1273         var s = up ? 3 : 2;
1274         var e = up ? table.rows.length : table.rows.length - 1;
1275
1276         for (var idx = s; idx < e; idx++)
1277         {
1278                 if (table.rows[idx] == tr)
1279                 {
1280                         if (up)
1281                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1282                         else
1283                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1284
1285                         break;
1286                 }
1287         }
1288
1289         var ids = [ ];
1290         for (idx = 2; idx < table.rows.length; idx++)
1291         {
1292                 table.rows[idx].className = table.rows[idx].className.replace(
1293                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1294                 );
1295
1296                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1297                         ids.push(RegExp.$1);
1298         }
1299
1300         var input = document.getElementById(store);
1301         if (input)
1302                 input.value = ids.join(' ');
1303
1304         return false;
1305 }
1306
1307 function cbi_tag_last(container)
1308 {
1309         var last;
1310
1311         for (var i = 0; i < container.childNodes.length; i++)
1312         {
1313                 var c = container.childNodes[i];
1314                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1315                 {
1316                         c.className = c.className.replace(/ cbi-value-last$/, '');
1317                         last = c;
1318                 }
1319         }
1320
1321         if (last)
1322         {
1323                 last.className += ' cbi-value-last';
1324         }
1325 }
1326
1327 String.prototype.serialize = function()
1328 {
1329         var o = this;
1330         switch(typeof(o))
1331         {
1332                 case 'object':
1333                         // null
1334                         if( o == null )
1335                         {
1336                                 return 'null';
1337                         }
1338
1339                         // array
1340                         else if( o.length )
1341                         {
1342                                 var i, s = '';
1343
1344                                 for( var i = 0; i < o.length; i++ )
1345                                         s += (s ? ', ' : '') + String.serialize(o[i]);
1346
1347                                 return '[ ' + s + ' ]';
1348                         }
1349
1350                         // object
1351                         else
1352                         {
1353                                 var k, s = '';
1354
1355                                 for( k in o )
1356                                         s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1357
1358                                 return '{ ' + s + ' }';
1359                         }
1360
1361                         break;
1362
1363                 case 'string':
1364                         // complex string
1365                         if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1366                                 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1367
1368                         // simple string
1369                         else
1370                                 return '"' + o + '"';
1371
1372                         break;
1373
1374                 default:
1375                         return o.toString();
1376         }
1377 }
1378
1379 String.prototype.format = function()
1380 {
1381         if (!RegExp)
1382                 return;
1383
1384         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1385         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1386
1387         function esc(s, r) {
1388                 if (typeof(s) !== 'string' && !(s instanceof String))
1389                         return '';
1390
1391                 for( var i = 0; i < r.length; i += 2 )
1392                         s = s.replace(r[i], r[i+1]);
1393                 return s;
1394         }
1395
1396         var str = this;
1397         var out = '';
1398         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1399         var a = b = [], numSubstitutions = 0, numMatches = 0;
1400
1401         while (a = re.exec(str))
1402         {
1403                 var m = a[1];
1404                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1405                 var pPrecision = a[6], pType = a[7];
1406
1407                 numMatches++;
1408
1409                 if (pType == '%')
1410                 {
1411                         subst = '%';
1412                 }
1413                 else
1414                 {
1415                         if (numSubstitutions < arguments.length)
1416                         {
1417                                 var param = arguments[numSubstitutions++];
1418
1419                                 var pad = '';
1420                                 if (pPad && pPad.substr(0,1) == "'")
1421                                         pad = leftpart.substr(1,1);
1422                                 else if (pPad)
1423                                         pad = pPad;
1424                                 else
1425                                         pad = ' ';
1426
1427                                 var justifyRight = true;
1428                                 if (pJustify && pJustify === "-")
1429                                         justifyRight = false;
1430
1431                                 var minLength = -1;
1432                                 if (pMinLength)
1433                                         minLength = +pMinLength;
1434
1435                                 var precision = -1;
1436                                 if (pPrecision && pType == 'f')
1437                                         precision = +pPrecision.substring(1);
1438
1439                                 var subst = param;
1440
1441                                 switch(pType)
1442                                 {
1443                                         case 'b':
1444                                                 subst = (+param || 0).toString(2);
1445                                                 break;
1446
1447                                         case 'c':
1448                                                 subst = String.fromCharCode(+param || 0);
1449                                                 break;
1450
1451                                         case 'd':
1452                                                 subst = ~~(+param || 0);
1453                                                 break;
1454
1455                                         case 'u':
1456                                                 subst = ~~Math.abs(+param || 0);
1457                                                 break;
1458
1459                                         case 'f':
1460                                                 subst = (precision > -1)
1461                                                         ? ((+param || 0.0)).toFixed(precision)
1462                                                         : (+param || 0.0);
1463                                                 break;
1464
1465                                         case 'o':
1466                                                 subst = (+param || 0).toString(8);
1467                                                 break;
1468
1469                                         case 's':
1470                                                 subst = param;
1471                                                 break;
1472
1473                                         case 'x':
1474                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1475                                                 break;
1476
1477                                         case 'X':
1478                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1479                                                 break;
1480
1481                                         case 'h':
1482                                                 subst = esc(param, html_esc);
1483                                                 break;
1484
1485                                         case 'q':
1486                                                 subst = esc(param, quot_esc);
1487                                                 break;
1488
1489                                         case 'j':
1490                                                 subst = String.serialize(param);
1491                                                 break;
1492
1493                                         case 't':
1494                                                 var td = 0;
1495                                                 var th = 0;
1496                                                 var tm = 0;
1497                                                 var ts = (param || 0);
1498
1499                                                 if (ts > 60) {
1500                                                         tm = Math.floor(ts / 60);
1501                                                         ts = (ts % 60);
1502                                                 }
1503
1504                                                 if (tm > 60) {
1505                                                         th = Math.floor(tm / 60);
1506                                                         tm = (tm % 60);
1507                                                 }
1508
1509                                                 if (th > 24) {
1510                                                         td = Math.floor(th / 24);
1511                                                         th = (th % 24);
1512                                                 }
1513
1514                                                 subst = (td > 0)
1515                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1516                                                         : String.format('%dh %dm %ds', th, tm, ts);
1517
1518                                                 break;
1519
1520                                         case 'm':
1521                                                 var mf = pMinLength ? +pMinLength : 1000;
1522                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1523
1524                                                 var i = 0;
1525                                                 var val = (+param || 0);
1526                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1527
1528                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1529                                                         val /= mf;
1530
1531                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1532                                                 pMinLength = null;
1533                                                 break;
1534                                 }
1535                         }
1536                 }
1537
1538                 if (pMinLength) {
1539                         subst = subst.toString();
1540                         for (var i = subst.length; i < pMinLength; i++)
1541                                 if (pJustify == '-')
1542                                         subst = subst + ' ';
1543                                 else
1544                                         subst = pad + subst;
1545                 }
1546
1547                 out += leftpart + subst;
1548                 str = str.substr(m.length);
1549         }
1550
1551         return out + str;
1552 }
1553
1554 String.prototype.nobr = function()
1555 {
1556         return this.replace(/[\s\n]+/g, '&#160;');
1557 }
1558
1559 String.serialize = function()
1560 {
1561         var a = [ ];
1562         for (var i = 1; i < arguments.length; i++)
1563                 a.push(arguments[i]);
1564         return ''.serialize.apply(arguments[0], a);
1565 }
1566
1567 String.format = function()
1568 {
1569         var a = [ ];
1570         for (var i = 1; i < arguments.length; i++)
1571                 a.push(arguments[i]);
1572         return ''.format.apply(arguments[0], a);
1573 }
1574
1575 String.nobr = function()
1576 {
1577         var a = [ ];
1578         for (var i = 1; i < arguments.length; i++)
1579                 a.push(arguments[i]);
1580         return ''.nobr.apply(arguments[0], a);
1581 }