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 2008-2018 Jo-Philipp Wich <jo@mein.io>
   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_strings = { path: {}, label: {} };
  16
  17 function s8(bytes, off) {
  18         var n = bytes[off];
  19         return (n > 0x7F) ? (n - 256) >>> 0 : n;
  20 }
  21
  22 function u16(bytes, off) {
  23         return ((bytes[off + 1] << 8) + bytes[off]) >>> 0;
  24 }
  25
  26 function sfh(s) {
  27         if (s === null || s.length === 0)
  28                 return null;
  29
  30         var bytes = [];
  31
  32         for (var i = 0; i < s.length; i++) {
  33                 var ch = s.charCodeAt(i);
  34
  35                 if (ch <= 0x7F)
  36                         bytes.push(ch);
  37                 else if (ch <= 0x7FF)
  38                         bytes.push(((ch >>>  6) & 0x1F) | 0xC0,
  39                                    ( ch         & 0x3F) | 0x80);
  40                 else if (ch <= 0xFFFF)
  41                         bytes.push(((ch >>> 12) & 0x0F) | 0xE0,
  42                                    ((ch >>>  6) & 0x3F) | 0x80,
  43                                    ( ch         & 0x3F) | 0x80);
  44                 else if (code <= 0x10FFFF)
  45                         bytes.push(((ch >>> 18) & 0x07) | 0xF0,
  46                                    ((ch >>> 12) & 0x3F) | 0x80,
  47                                    ((ch >>   6) & 0x3F) | 0x80,
  48                                    ( ch         & 0x3F) | 0x80);
  49         }
  50
  51         if (!bytes.length)
  52                 return null;
  53
  54         var hash = (bytes.length >>> 0),
  55             len = (bytes.length >>> 2),
  56             off = 0, tmp;
  57
  58         while (len--) {
  59                 hash += u16(bytes, off);
  60                 tmp   = ((u16(bytes, off + 2) << 11) ^ hash) >>> 0;
  61                 hash  = ((hash << 16) ^ tmp) >>> 0;
  62                 hash += hash >>> 11;
  63                 off  += 4;
  64         }
  65
  66         switch ((bytes.length & 3) >>> 0) {
  67         case 3:
  68                 hash += u16(bytes, off);
  69                 hash  = (hash ^ (hash << 16)) >>> 0;
  70                 hash  = (hash ^ (s8(bytes, off + 2) << 18)) >>> 0;
  71                 hash += hash >>> 11;
  72                 break;
  73
  74         case 2:
  75                 hash += u16(bytes, off);
  76                 hash  = (hash ^ (hash << 11)) >>> 0;
  77                 hash += hash >>> 17;
  78                 break;
  79
  80         case 1:
  81                 hash += s8(bytes, off);
  82                 hash  = (hash ^ (hash << 10)) >>> 0;
  83                 hash += hash >>> 1;
  84                 break;
  85         }
  86
  87         hash  = (hash ^ (hash << 3)) >>> 0;
  88         hash += hash >>> 5;
  89         hash  = (hash ^ (hash << 4)) >>> 0;
  90         hash += hash >>> 17;
  91         hash  = (hash ^ (hash << 25)) >>> 0;
  92         hash += hash >>> 6;
  93
  94         return (0x100000000 + hash).toString(16).substr(1);
  95 }
  96
  97 function _(s) {
  98         return (window.TR && TR[sfh(s)]) || s;
  99 }
 100
 101 function Int(x) {
 102         return (/^-?\d+$/.test(x) ? +x : NaN);
 103 }
 104
 105 function Dec(x) {
 106         return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
 107 }
 108
 109 function IPv4(x) {
 110         if (!x.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/))
 111                 return null;
 112
 113         if (RegExp.$1 > 255 || RegExp.$2 > 255 || RegExp.$3 > 255 || RegExp.$4 > 255)
 114                 return null;
 115
 116         return [ +RegExp.$1, +RegExp.$2, +RegExp.$3, +RegExp.$4 ];
 117 }
 118
 119 function IPv6(x) {
 120         if (x.match(/^([a-fA-F0-9:]+):(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/)) {
 121                 var v6 = RegExp.$1, v4 = IPv4(RegExp.$2);
 122
 123                 if (!v4)
 124                         return null;
 125
 126                 x = v6 + ':' + (v4[0] * 256 + v4[1]).toString(16)
 127                        + ':' + (v4[2] * 256 + v4[3]).toString(16);
 128         }
 129
 130         if (!x.match(/^[a-fA-F0-9:]+$/))
 131                 return null;
 132
 133         var prefix_suffix = x.split(/::/);
 134
 135         if (prefix_suffix.length > 2)
 136                 return null;
 137
 138         var prefix = (prefix_suffix[0] || '0').split(/:/);
 139         var suffix = prefix_suffix.length > 1 ? (prefix_suffix[1] || '0').split(/:/) : [];
 140
 141         if (suffix.length ? (prefix.length + suffix.length > 7)
 142                           : ((prefix_suffix.length < 2 && prefix.length < 8) || prefix.length > 8))
 143                 return null;
 144
 145         var i, word;
 146         var words = [];
 147
 148         for (i = 0, word = parseInt(prefix[0], 16); i < prefix.length; word = parseInt(prefix[++i], 16))
 149                 if (prefix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 150                         words.push(word);
 151                 else
 152                         return null;
 153
 154         for (i = 0; i < (8 - prefix.length - suffix.length); i++)
 155                 words.push(0);
 156
 157         for (i = 0, word = parseInt(suffix[0], 16); i < suffix.length; word = parseInt(suffix[++i], 16))
 158                 if (suffix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 159                         words.push(word);
 160                 else
 161                         return null;
 162
 163         return words;
 164 }
 165
 166 var CBIValidatorPrototype = {
 167         apply: function(name, value, args) {
 168                 var func;
 169
 170                 if (typeof(name) === 'function')
 171                         func = name;
 172                 else if (typeof(this.types[name]) === 'function')
 173                         func = this.types[name];
 174                 else
 175                         return false;
 176
 177                 if (value !== undefined && value !== null)
 178                         this.value = value;
 179
 180                 return func.apply(this, args);
 181         },
 182
 183         assert: function(condition, message) {
 184                 if (!condition) {
 185                         this.field.classList.add('cbi-input-invalid');
 186                         this.error = message;
 187                         return false;
 188                 }
 189
 190                 this.field.classList.remove('cbi-input-invalid');
 191                 this.error = null;
 192                 return true;
 193         },
 194
 195         compile: function(code) {
 196                 var pos = 0;
 197                 var esc = false;
 198                 var depth = 0;
 199                 var stack = [ ];
 200
 201                 code += ',';
 202
 203                 for (var i = 0; i < code.length; i++) {
 204                         if (esc) {
 205                                 esc = false;
 206                                 continue;
 207                         }
 208
 209                         switch (code.charCodeAt(i))
 210                         {
 211                         case 92:
 212                                 esc = true;
 213                                 break;
 214
 215                         case 40:
 216                         case 44:
 217                                 if (depth <= 0) {
 218                                         if (pos < i) {
 219                                                 var label = code.substring(pos, i);
 220                                                         label = label.replace(/\\(.)/g, '$1');
 221                                                         label = label.replace(/^[ \t]+/g, '');
 222                                                         label = label.replace(/[ \t]+$/g, '');
 223
 224                                                 if (label && !isNaN(label)) {
 225                                                         stack.push(parseFloat(label));
 226                                                 }
 227                                                 else if (label.match(/^(['"]).*\1$/)) {
 228                                                         stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 229                                                 }
 230                                                 else if (typeof this.types[label] == 'function') {
 231                                                         stack.push(this.types[label]);
 232                                                         stack.push(null);
 233                                                 }
 234                                                 else {
 235                                                         throw "Syntax error, unhandled token '"+label+"'";
 236                                                 }
 237                                         }
 238
 239                                         pos = i+1;
 240                                 }
 241
 242                                 depth += (code.charCodeAt(i) == 40);
 243                                 break;
 244
 245                         case 41:
 246                                 if (--depth <= 0) {
 247                                         if (typeof stack[stack.length-2] != 'function')
 248                                                 throw "Syntax error, argument list follows non-function";
 249
 250                                         stack[stack.length-1] = this.compile(code.substring(pos, i));
 251                                         pos = i+1;
 252                                 }
 253
 254                                 break;
 255                         }
 256                 }
 257
 258                 return stack;
 259         },
 260
 261         validate: function() {
 262                 /* element is detached */
 263                 if (!findParent(this.field, 'form'))
 264                         return true;
 265
 266                 this.field.classList.remove('cbi-input-invalid');
 267                 this.value = matchesElem(this.field, 'select') ? this.field.options[this.field.selectedIndex].value : this.field.value;
 268                 this.error = null;
 269
 270                 var valid;
 271
 272                 if (this.value.length === 0)
 273                         valid = this.assert(this.optional, _('non-empty value'));
 274                 else
 275                         valid = this.vstack[0].apply(this, this.vstack[1]);
 276
 277                 if (!valid) {
 278                         this.field.setAttribute('data-tooltip', _('Expecting %s').format(this.error));
 279                         this.field.setAttribute('data-tooltip-style', 'error');
 280                         this.field.dispatchEvent(new CustomEvent('validation-failure', { bubbles: true }));
 281                 }
 282                 else {
 283                         this.field.removeAttribute('data-tooltip');
 284                         this.field.removeAttribute('data-tooltip-style');
 285                         this.field.dispatchEvent(new CustomEvent('validation-success', { bubbles: true }));
 286                 }
 287
 288                 return valid;
 289         },
 290
 291         types: {
 292                 integer: function() {
 293                         return this.assert(Int(this.value) !== NaN, _('valid integer value'));
 294                 },
 295
 296                 uinteger: function() {
 297                         return this.assert(Int(this.value) >= 0, _('positive integer value'));
 298                 },
 299
 300                 float: function() {
 301                         return this.assert(Dec(this.value) !== NaN, _('valid decimal value'));
 302                 },
 303
 304                 ufloat: function() {
 305                         return this.assert(Dec(this.value) >= 0, _('positive decimal value'));
 306                 },
 307
 308                 ipaddr: function(nomask) {
 309                         return this.assert(this.apply('ip4addr', null, [nomask]) || this.apply('ip6addr', null, [nomask]),
 310                                 nomask ? _('valid IP address') : _('valid IP address or prefix'));
 311                 },
 312
 313                 ip4addr: function(nomask) {
 314                         var re = nomask ? /^(\d+\.\d+\.\d+\.\d+)$/ : /^(\d+\.\d+\.\d+\.\d+)(?:\/(\d+\.\d+\.\d+\.\d+)|\/(\d{1,2}))?$/,
 315                             m = this.value.match(re);
 316
 317                         return this.assert(m && IPv4(m[1]) && (m[2] ? IPv4(m[2]) : (m[3] ? this.apply('ip4prefix', m[3]) : true)),
 318                                 nomask ? _('valid IPv4 address') : _('valid IPv4 address or network'));
 319                 },
 320
 321                 ip6addr: function(nomask) {
 322                         var re = nomask ? /^([0-9a-fA-F:.]+)$/ : /^([0-9a-fA-F:.]+)(?:\/(\d{1,3}))?$/,
 323                             m = this.value.match(re);
 324
 325                         return this.assert(m && IPv6(m[1]) && (m[2] ? this.apply('ip6prefix', m[2]) : true),
 326                                 nomask ? _('valid IPv6 address') : _('valid IPv6 address or prefix'));
 327                 },
 328
 329                 ip4prefix: function() {
 330                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 32,
 331                                 _('valid IPv4 prefix value (0-32)'));
 332                 },
 333
 334                 ip6prefix: function() {
 335                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 128,
 336                                 _('valid IPv6 prefix value (0-128)'));
 337                 },
 338
 339                 cidr: function() {
 340                         return this.assert(this.apply('cidr4') || this.apply('cidr6'), _('valid IPv4 or IPv6 CIDR'));
 341                 },
 342
 343                 cidr4: function() {
 344                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,2})$/);
 345                         return this.assert(m && IPv4(m[1]) && this.apply('ip4prefix', m[2]), _('valid IPv4 CIDR'));
 346                 },
 347
 348                 cidr6: function() {
 349                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/(\d{1,3})$/);
 350                         return this.assert(m && IPv6(m[1]) && this.apply('ip6prefix', m[2]), _('valid IPv6 CIDR'));
 351                 },
 352
 353                 ipnet4: function() {
 354                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/);
 355                         return this.assert(m && IPv4(m[1]) && IPv4(m[2]), _('IPv4 network in address/netmask notation'));
 356                 },
 357
 358                 ipnet6: function() {
 359                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/([0-9a-fA-F:.]+)$/);
 360                         return this.assert(m && IPv6(m[1]) && IPv6(m[2]), _('IPv6 network in address/netmask notation'));
 361                 },
 362
 363                 ip6hostid: function() {
 364                         if (this.value == "eui64" || this.value == "random")
 365                                 return true;
 366
 367                         var v6 = IPv6(this.value);
 368                         return this.assert(!(!v6 || v6[0] || v6[1] || v6[2] || v6[3]), _('valid IPv6 host id'));
 369                 },
 370
 371                 ipmask: function() {
 372                         return this.assert(this.apply('ipmask4') || this.apply('ipmask6'),
 373                                 _('valid network in address/netmask notation'));
 374                 },
 375
 376                 ipmask4: function() {
 377                         return this.assert(this.apply('cidr4') || this.apply('ipnet4') || this.apply('ip4addr'),
 378                                 _('valid IPv4 network'));
 379                 },
 380
 381                 ipmask6: function() {
 382                         return this.assert(this.apply('cidr6') || this.apply('ipnet6') || this.apply('ip6addr'),
 383                                 _('valid IPv6 network'));
 384                 },
 385
 386                 port: function() {
 387                         var p = Int(this.value);
 388                         return this.assert(p >= 0 && p <= 65535, _('valid port value'));
 389                 },
 390
 391                 portrange: function() {
 392                         if (this.value.match(/^(\d+)-(\d+)$/)) {
 393                                 var p1 = +RegExp.$1;
 394                                 var p2 = +RegExp.$2;
 395                                 return this.assert(p1 <= p2 && p2 <= 65535,
 396                                         _('valid port or port range (port1-port2)'));
 397                         }
 398
 399                         return this.assert(this.apply('port'), _('valid port or port range (port1-port2)'));
 400                 },
 401
 402                 macaddr: function() {
 403                         return this.assert(this.value.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null,
 404                                 _('valid MAC address'));
 405                 },
 406
 407                 host: function(ipv4only) {
 408                         return this.assert(this.apply('hostname') || this.apply(ipv4only == 1 ? 'ip4addr' : 'ipaddr'),
 409                                 _('valid hostname or IP address'));
 410                 },
 411
 412                 hostname: function(strict) {
 413                         if (this.value.length <= 253)
 414                                 return this.assert(
 415                                         (this.value.match(/^[a-zA-Z0-9_]+$/) != null ||
 416                                                 (this.value.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 417                                                  this.value.match(/[^0-9.]/))) &&
 418                                         (!strict || !this.value.match(/^_/)),
 419                                         _('valid hostname'));
 420
 421                         return this.assert(false, _('valid hostname'));
 422                 },
 423
 424                 network: function() {
 425                         return this.assert(this.apply('uciname') || this.apply('host'),
 426                                 _('valid UCI identifier, hostname or IP address'));
 427                 },
 428
 429                 hostport: function(ipv4only) {
 430                         var hp = this.value.split(/:/);
 431                         return this.assert(hp.length == 2 && this.apply('host', hp[0], [ipv4only]) && this.apply('port', hp[1]),
 432                                 _('valid host:port'));
 433                 },
 434
 435                 ip4addrport: function() {
 436                         var hp = this.value.split(/:/);
 437                         return this.assert(hp.length == 2 && this.apply('ip4addr', hp[0], [true]) && this.apply('port', hp[1]),
 438                                 _('valid IPv4 address:port'));
 439                 },
 440
 441                 ipaddrport: function(bracket) {
 442                         var m4 = this.value.match(/^([^\[\]:]+):(\d+)$/),
 443                             m6 = this.value.match((bracket == 1) ? /^\[(.+)\]:(\d+)$/ : /^([^\[\]]+):(\d+)$/);
 444
 445                         if (m4)
 446                                 return this.assert(this.apply('ip4addr', m4[1], [true]) && this.apply('port', m4[2]),
 447                                         _('valid address:port'));
 448
 449                         return this.assert(m6 && this.apply('ip6addr', m6[1], [true]) && this.apply('port', m6[2]),
 450                                 _('valid address:port'));
 451                 },
 452
 453                 wpakey: function() {
 454                         var v = this.value;
 455
 456                         if (v.length == 64)
 457                                 return this.assert(v.match(/^[a-fA-F0-9]{64}$/), _('valid hexadecimal WPA key'));
 458
 459                         return this.assert((v.length >= 8) && (v.length <= 63), _('key between 8 and 63 characters'));
 460                 },
 461
 462                 wepkey: function() {
 463                         var v = this.value;
 464
 465                         if (v.substr(0, 2) === 's:')
 466                                 v = v.substr(2);
 467
 468                         if ((v.length == 10) || (v.length == 26))
 469                                 return this.assert(v.match(/^[a-fA-F0-9]{10,26}$/), _('valid hexadecimal WEP key'));
 470
 471                         return this.assert((v.length === 5) || (v.length === 13), _('key with either 5 or 13 characters'));
 472                 },
 473
 474                 uciname: function() {
 475                         return this.assert(this.value.match(/^[a-zA-Z0-9_]+$/), _('valid UCI identifier'));
 476                 },
 477
 478                 range: function(min, max) {
 479                         var val = Dec(this.value);
 480                         return this.assert(val >= +min && val <= +max, _('value between %f and %f').format(min, max));
 481                 },
 482
 483                 min: function(min) {
 484                         return this.assert(Dec(this.value) >= +min, _('value greater or equal to %f').format(min));
 485                 },
 486
 487                 max: function(max) {
 488                         return this.assert(Dec(this.value) <= +max, _('value smaller or equal to %f').format(max));
 489                 },
 490
 491                 rangelength: function(min, max) {
 492                         var val = '' + this.value;
 493                         return this.assert((val.length >= +min) && (val.length <= +max),
 494                                 _('value between %d and %d characters').format(min, max));
 495                 },
 496
 497                 minlength: function(min) {
 498                         return this.assert((''+this.value).length >= +min,
 499                                 _('value with at least %d characters').format(min));
 500                 },
 501
 502                 maxlength: function(max) {
 503                         return this.assert((''+this.value).length <= +max,
 504                                 _('value with at most %d characters').format(max));
 505                 },
 506
 507                 or: function() {
 508                         var errors = [];
 509
 510                         for (var i = 0; i < arguments.length; i += 2) {
 511                                 if (typeof arguments[i] != 'function') {
 512                                         if (arguments[i] == this.value)
 513                                                 return this.assert(true);
 514                                         errors.push('"%s"'.format(arguments[i]));
 515                                         i--;
 516                                 }
 517                                 else if (arguments[i].apply(this, arguments[i+1])) {
 518                                         return this.assert(true);
 519                                 }
 520                                 else {
 521                                         errors.push(this.error);
 522                                 }
 523                         }
 524
 525                         return this.assert(false, _('one of:\n - %s'.format(errors.join('\n - '))));
 526                 },
 527
 528                 and: function() {
 529                         for (var i = 0; i < arguments.length; i += 2) {
 530                                 if (typeof arguments[i] != 'function') {
 531                                         if (arguments[i] != this.value)
 532                                                 return this.assert(false, '"%s"'.format(arguments[i]));
 533                                         i--;
 534                                 }
 535                                 else if (!arguments[i].apply(this, arguments[i+1])) {
 536                                         return this.assert(false, this.error);
 537                                 }
 538                         }
 539
 540                         return this.assert(true);
 541                 },
 542
 543                 neg: function() {
 544                         return this.apply('or', this.value.replace(/^[ \t]*![ \t]*/, ''), arguments);
 545                 },
 546
 547                 list: function(subvalidator, subargs) {
 548                         this.field.setAttribute('data-is-list', 'true');
 549
 550                         var tokens = this.value.match(/[^ \t]+/g);
 551                         for (var i = 0; i < tokens.length; i++)
 552                                 if (!this.apply(subvalidator, tokens[i], subargs))
 553                                         return this.assert(false, this.error);
 554
 555                         return this.assert(true);
 556                 },
 557
 558                 phonedigit: function() {
 559                         return this.assert(this.value.match(/^[0-9\*#!\.]+$/),
 560                                 _('valid phone digit (0-9, "*", "#", "!" or ".")'));
 561                 },
 562
 563                 timehhmmss: function() {
 564                         return this.assert(this.value.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/),
 565                                 _('valid time (HH:MM:SS)'));
 566                 },
 567
 568                 dateyyyymmdd: function() {
 569                         if (this.value.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 570                                 var year  = +RegExp.$1,
 571                                     month = +RegExp.$2,
 572                                     day   = +RegExp.$3,
 573                                     days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
 574
 575                                 function is_leap_year(year) {
 576                                         return ((!(year % 4) && (year % 100)) || !(year % 400));
 577                                 }
 578
 579                                 function get_days_in_month(month, year) {
 580                                         return (month === 2 && is_leap_year(year)) ? 29 : days_in_month[month - 1];
 581                                 }
 582
 583                                 /* Firewall rules in the past don't make sense */
 584                                 return this.assert(year >= 2015 && month && month <= 12 && day && day <= get_days_in_month(month, year),
 585                                         _('valid date (YYYY-MM-DD)'));
 586
 587                         }
 588
 589                         return this.assert(false, _('valid date (YYYY-MM-DD)'));
 590                 },
 591
 592                 unique: function(subvalidator, subargs) {
 593                         var ctx = this,
 594                                 option = findParent(ctx.field, '[data-type][data-name]'),
 595                             section = findParent(option, '.cbi-section'),
 596                             query = '[data-type="%s"][data-name="%s"]'.format(option.getAttribute('data-type'), option.getAttribute('data-name')),
 597                             unique = true;
 598
 599                         section.querySelectorAll(query).forEach(function(sibling) {
 600                                 if (sibling === option)
 601                                         return;
 602
 603                                 var input = sibling.querySelector('[data-type]'),
 604                                     values = input ? (input.getAttribute('data-is-list') ? input.value.match(/[^ \t]+/g) : [ input.value ]) : null;
 605
 606                                 if (values !== null && values.indexOf(ctx.value) !== -1)
 607                                         unique = false;
 608                         });
 609
 610                         if (!unique)
 611                                 return this.assert(false, _('unique value'));
 612
 613                         if (typeof(subvalidator) === 'function')
 614                                 return this.apply(subvalidator, undefined, subargs);
 615
 616                         return this.assert(true);
 617                 },
 618
 619                 hexstring: function() {
 620                         return this.assert(this.value.match(/^([a-f0-9][a-f0-9]|[A-F0-9][A-F0-9])+$/),
 621                                 _('hexadecimal encoded value'));
 622                 }
 623         }
 624 };
 625
 626 function CBIValidator(field, type, optional)
 627 {
 628         this.field = field;
 629         this.optional = optional;
 630         this.vstack = this.compile(type);
 631 }
 632
 633 CBIValidator.prototype = CBIValidatorPrototype;
 634
 635
 636 function cbi_d_add(field, dep, index) {
 637         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 638         if (obj) {
 639                 var entry
 640                 for (var i=0; i<cbi_d.length; i++) {
 641                         if (cbi_d[i].id == obj.id) {
 642                                 entry = cbi_d[i];
 643                                 break;
 644                         }
 645                 }
 646                 if (!entry) {
 647                         entry = {
 648                                 "node": obj,
 649                                 "id": obj.id,
 650                                 "parent": obj.parentNode.id,
 651                                 "deps": [],
 652                                 "index": index
 653                         };
 654                         cbi_d.unshift(entry);
 655                 }
 656                 entry.deps.push(dep)
 657         }
 658 }
 659
 660 function cbi_d_checkvalue(target, ref) {
 661         var value = null,
 662             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 663                     'select[id="'+target+'"], select[name="'+target+'"]';
 664
 665         document.querySelectorAll(query).forEach(function(i) {
 666                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 667                         value = i.value;
 668         });
 669
 670         return (((value !== null) ? value : "") == ref);
 671 }
 672
 673 function cbi_d_check(deps) {
 674         var reverse;
 675         var def = false;
 676         for (var i=0; i<deps.length; i++) {
 677                 var istat = true;
 678                 reverse = false;
 679                 for (var j in deps[i]) {
 680                         if (j == "!reverse") {
 681                                 reverse = true;
 682                         } else if (j == "!default") {
 683                                 def = true;
 684                                 istat = false;
 685                         } else {
 686                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 687                         }
 688                 }
 689
 690                 if (istat ^ reverse) {
 691                         return true;
 692                 }
 693         }
 694         return def;
 695 }
 696
 697 function cbi_d_update() {
 698         var state = false;
 699         for (var i=0; i<cbi_d.length; i++) {
 700                 var entry = cbi_d[i];
 701                 var node  = document.getElementById(entry.id);
 702                 var parent = document.getElementById(entry.parent);
 703
 704                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 705                         node.parentNode.removeChild(node);
 706                         state = true;
 707                 }
 708                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 709                         var next = undefined;
 710
 711                         for (next = parent.firstChild; next; next = next.nextSibling) {
 712                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 713                                         break;
 714                         }
 715
 716                         if (!next)
 717                                 parent.appendChild(entry.node);
 718                         else
 719                                 parent.insertBefore(entry.node, next);
 720
 721                         state = true;
 722                 }
 723
 724                 // hide optionals widget if no choices remaining
 725                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 726                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 727         }
 728
 729         if (entry && entry.parent)
 730                 cbi_tag_last(parent);
 731
 732         if (state)
 733                 cbi_d_update();
 734         else if (parent)
 735                 parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
 736 }
 737
 738 function cbi_init() {
 739         var nodes;
 740
 741         nodes = document.querySelectorAll('[data-strings]');
 742
 743         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 744                 var str = JSON.parse(node.getAttribute('data-strings'));
 745                 for (var key in str) {
 746                         for (var key2 in str[key]) {
 747                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 748                                     dst[key2] = str[key][key2];
 749                         }
 750                 }
 751         }
 752
 753         nodes = document.querySelectorAll('[data-depends]');
 754
 755         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 756                 var index = parseInt(node.getAttribute('data-index'), 10);
 757                 var depends = JSON.parse(node.getAttribute('data-depends'));
 758                 if (!isNaN(index) && depends.length > 0) {
 759                         for (var alt = 0; alt < depends.length; alt++)
 760                                 cbi_d_add(node, depends[alt], index);
 761                 }
 762         }
 763
 764         nodes = document.querySelectorAll('[data-update]');
 765
 766         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 767                 var events = node.getAttribute('data-update').split(' ');
 768                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 769                         node.addEventListener(event, cbi_d_update);
 770         }
 771
 772         nodes = document.querySelectorAll('[data-choices]');
 773
 774         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 775                 var choices = JSON.parse(node.getAttribute('data-choices'));
 776                 var options = {};
 777
 778                 for (var j = 0; j < choices[0].length; j++)
 779                         options[choices[0][j]] = choices[1][j];
 780
 781                 var def = (node.getAttribute('data-optional') === 'true')
 782                         ? node.placeholder || '' : null;
 783
 784                 cbi_combobox_init(node, options, def,
 785                                   node.getAttribute('data-manual'));
 786         }
 787
 788         nodes = document.querySelectorAll('[data-dynlist]');
 789
 790         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 791                 var choices = JSON.parse(node.getAttribute('data-dynlist'));
 792                 var options = null;
 793
 794                 if (choices[0] && choices[0].length) {
 795                         options = {};
 796
 797                         for (var j = 0; j < choices[0].length; j++)
 798                                 options[choices[0][j]] = choices[1][j];
 799                 }
 800
 801                 cbi_dynlist_init(node, choices[2], choices[3], options);
 802         }
 803
 804         nodes = document.querySelectorAll('[data-type]');
 805
 806         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 807                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 808                                    node.getAttribute('data-type'));
 809         }
 810
 811         document.querySelectorAll('.cbi-dropdown').forEach(cbi_dropdown_init);
 812         document.querySelectorAll('[data-browser]').forEach(cbi_browser_init);
 813
 814         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 815                 s.parentNode.classList.add('cbi-tooltip-container');
 816         });
 817
 818         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 819                 var handler = function(ev) {
 820                         var bits = this.name.split(/\./),
 821                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 822
 823                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 824                 };
 825
 826                 i.addEventListener('mouseover', handler);
 827                 i.addEventListener('mouseout', handler);
 828         });
 829
 830         cbi_d_update();
 831 }
 832
 833 function cbi_combobox_init(id, values, def, man) {
 834         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 835         var sb = E('div', {
 836                 'name': obj.name,
 837                 'class': 'cbi-dropdown',
 838                 'display-items': 5,
 839                 'optional': obj.getAttribute('data-optional'),
 840                 'placeholder': _('-- Please choose --'),
 841                 'data-type': obj.getAttribute('data-type'),
 842                 'data-optional': obj.getAttribute('data-optional')
 843         }, [ E('ul') ]);
 844
 845         if (!(obj.value in values) && obj.value.length) {
 846                 sb.lastElementChild.appendChild(E('li', {
 847                         'data-value': obj.value,
 848                         'selected': ''
 849                 }, obj.value.length ? obj.value : (def || _('-- Please choose --'))));
 850         }
 851
 852         for (var i in values) {
 853                 sb.lastElementChild.appendChild(E('li', {
 854                         'data-value': i,
 855                         'selected': (i == obj.value) ? '' : null
 856                 }, values[i]));
 857         }
 858
 859         sb.lastElementChild.appendChild(E('li', { 'data-value': '-' }, [
 860                 E('input', {
 861                         'type': 'text',
 862                         'class': 'create-item-input',
 863                         'data-type': obj.getAttribute('data-type'),
 864                         'data-optional': true,
 865                         'placeholder': (man || _('-- custom --'))
 866                 })
 867         ]));
 868
 869         sb.value = obj.value;
 870         obj.parentNode.replaceChild(sb, obj);
 871 }
 872
 873 function cbi_filebrowser(id, defpath) {
 874         var field   = L.dom.elem(id) ? id : document.getElementById(id);
 875         var browser = window.open(
 876                 cbi_strings.path.browser + (field.value || defpath || '') + '?field=' + field.id,
 877                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 878         );
 879
 880         browser.focus();
 881 }
 882
 883 function cbi_browser_init(field)
 884 {
 885         field.parentNode.insertBefore(
 886                 E('img', {
 887                         'src': L.resource('cbi/folder.gif'),
 888                         'class': 'cbi-image-button',
 889                         'click': function(ev) {
 890                                 cbi_filebrowser(field, field.getAttribute('data-browser'));
 891                                 ev.preventDefault();
 892                         }
 893                 }), field.nextSibling);
 894 }
 895
 896 CBIDynamicList = {
 897         addItem: function(dl, value, text, flash) {
 898                 var exists = false,
 899                     new_item = E('div', { 'class': flash ? 'item flash' : 'item', 'tabindex': 0 }, [
 900                                 E('span', {}, text || value),
 901                                 E('input', {
 902                                         'type': 'hidden',
 903                                         'name': dl.getAttribute('data-prefix'),
 904                                         'value': value })]);
 905
 906                 dl.querySelectorAll('.item, .add-item').forEach(function(item) {
 907                         if (exists)
 908                                 return;
 909
 910                         var hidden = item.querySelector('input[type="hidden"]');
 911
 912                         if (hidden && hidden.value === value)
 913                                 exists = true;
 914                         else if (!hidden || hidden.value >= value)
 915                                 exists = !!item.parentNode.insertBefore(new_item, item);
 916                 });
 917
 918                 cbi_d_update();
 919         },
 920
 921         removeItem: function(dl, item) {
 922                 var sb = dl.querySelector('.cbi-dropdown');
 923                 if (sb) {
 924                         var value = item.querySelector('input[type="hidden"]').value;
 925
 926                         sb.querySelectorAll('ul > li').forEach(function(li) {
 927                                 if (li.getAttribute('data-value') === value)
 928                                         li.removeAttribute('unselectable');
 929                         });
 930                 }
 931
 932                 item.parentNode.removeChild(item);
 933                 cbi_d_update();
 934         },
 935
 936         handleClick: function(ev) {
 937                 var dl = ev.currentTarget,
 938                     item = findParent(ev.target, '.item');
 939
 940                 if (item) {
 941                         this.removeItem(dl, item);
 942                 }
 943                 else if (matchesElem(ev.target, '.cbi-button-add')) {
 944                         var input = ev.target.previousElementSibling;
 945                         if (input.value.length && !input.classList.contains('cbi-input-invalid')) {
 946                                 this.addItem(dl, input.value, null, true);
 947                                 input.value = '';
 948                         }
 949                 }
 950         },
 951
 952         handleDropdownChange: function(ev) {
 953                 var dl = ev.currentTarget,
 954                     sbIn = ev.detail.instance,
 955                     sbEl = ev.detail.element,
 956                     sbVal = ev.detail.value;
 957
 958                 if (sbVal === null)
 959                         return;
 960
 961                 sbIn.setValues(sbEl, null);
 962                 sbVal.element.setAttribute('unselectable', '');
 963
 964                 this.addItem(dl, sbVal.value, sbVal.text, true);
 965         },
 966
 967         handleKeydown: function(ev) {
 968                 var dl = ev.currentTarget,
 969                     item = findParent(ev.target, '.item');
 970
 971                 if (item) {
 972                         switch (ev.keyCode) {
 973                         case 8: /* backspace */
 974                                 if (item.previousElementSibling)
 975                                         item.previousElementSibling.focus();
 976
 977                                 this.removeItem(dl, item);
 978                                 break;
 979
 980                         case 46: /* delete */
 981                                 if (item.nextElementSibling) {
 982                                         if (item.nextElementSibling.classList.contains('item'))
 983                                                 item.nextElementSibling.focus();
 984                                         else
 985                                                 item.nextElementSibling.firstElementChild.focus();
 986                                 }
 987
 988                                 this.removeItem(dl, item);
 989                                 break;
 990                         }
 991                 }
 992                 else if (matchesElem(ev.target, '.cbi-input-text')) {
 993                         switch (ev.keyCode) {
 994                         case 13: /* enter */
 995                                 if (ev.target.value.length && !ev.target.classList.contains('cbi-input-invalid')) {
 996                                         this.addItem(dl, ev.target.value, null, true);
 997                                         ev.target.value = '';
 998                                         ev.target.blur();
 999                                         ev.target.focus();
1000                                 }
1001
1002                                 ev.preventDefault();
1003                                 break;
1004                         }
1005                 }
1006         }
1007 };
1008
1009 function cbi_dynlist_init(dl, datatype, optional, choices)
1010 {
1011         if (!(this instanceof cbi_dynlist_init))
1012                 return new cbi_dynlist_init(dl, datatype, optional, choices);
1013
1014         dl.classList.add('cbi-dynlist');
1015         dl.appendChild(E('div', { 'class': 'add-item' }, E('input', {
1016                 'type': 'text',
1017                 'name': 'cbi.dynlist.' + dl.getAttribute('data-prefix'),
1018                 'class': 'cbi-input-text',
1019                 'placeholder': dl.getAttribute('data-placeholder'),
1020                 'data-type': datatype,
1021                 'data-optional': true
1022         })));
1023
1024         if (choices)
1025                 cbi_combobox_init(dl.lastElementChild.lastElementChild, choices, '', _('-- custom --'));
1026         else
1027                 dl.lastElementChild.appendChild(E('div', { 'class': 'cbi-button cbi-button-add' }, '+'));
1028
1029         dl.addEventListener('click', this.handleClick.bind(this));
1030         dl.addEventListener('keydown', this.handleKeydown.bind(this));
1031         dl.addEventListener('cbi-dropdown-change', this.handleDropdownChange.bind(this));
1032
1033         try {
1034                 var values = JSON.parse(dl.getAttribute('data-values') || '[]');
1035
1036                 if (typeof(values) === 'object' && Array.isArray(values))
1037                         for (var i = 0; i < values.length; i++)
1038                                 this.addItem(dl, values[i], choices ? choices[values[i]] : null);
1039         }
1040         catch (e) {}
1041 }
1042
1043 cbi_dynlist_init.prototype = CBIDynamicList;
1044
1045
1046 function cbi_validate_form(form, errmsg)
1047 {
1048         /* if triggered by a section removal or addition, don't validate */
1049         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
1050                 return true;
1051
1052         if (form.cbi_validators) {
1053                 for (var i = 0; i < form.cbi_validators.length; i++) {
1054                         var validator = form.cbi_validators[i];
1055
1056                         if (!validator() && errmsg) {
1057                                 alert(errmsg);
1058                                 return false;
1059                         }
1060                 }
1061         }
1062
1063         return true;
1064 }
1065
1066 function cbi_validate_reset(form)
1067 {
1068         window.setTimeout(
1069                 function() { cbi_validate_form(form, null) }, 100
1070         );
1071
1072         return true;
1073 }
1074
1075 function cbi_validate_field(cbid, optional, type)
1076 {
1077         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
1078         var validatorFn;
1079
1080         try {
1081                 var cbiValidator = new CBIValidator(field, type, optional);
1082                 validatorFn = cbiValidator.validate.bind(cbiValidator);
1083         }
1084         catch(e) {
1085                 validatorFn = null;
1086         };
1087
1088         if (validatorFn !== null) {
1089                 var form = findParent(field, 'form');
1090
1091                 if (!form.cbi_validators)
1092                         form.cbi_validators = [ ];
1093
1094                 form.cbi_validators.push(validatorFn);
1095
1096                 field.addEventListener("blur",  validatorFn);
1097                 field.addEventListener("keyup", validatorFn);
1098                 field.addEventListener("cbi-dropdown-change", validatorFn);
1099
1100                 if (matchesElem(field, 'select')) {
1101                         field.addEventListener("change", validatorFn);
1102                         field.addEventListener("click",  validatorFn);
1103                 }
1104
1105                 validatorFn();
1106         }
1107 }
1108
1109 function cbi_row_swap(elem, up, store)
1110 {
1111         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
1112
1113         if (!tr)
1114                 return false;
1115
1116         tr.classList.remove('flash');
1117
1118         if (up) {
1119                 var prev = tr.previousElementSibling;
1120
1121                 if (prev && prev.classList.contains('cbi-section-table-row'))
1122                         tr.parentNode.insertBefore(tr, prev);
1123                 else
1124                         return;
1125         }
1126         else {
1127                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
1128
1129                 if (next && next.classList.contains('cbi-section-table-row'))
1130                         tr.parentNode.insertBefore(tr, next);
1131                 else if (!next)
1132                         tr.parentNode.appendChild(tr);
1133                 else
1134                         return;
1135         }
1136
1137         var ids = [ ];
1138
1139         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
1140                 var node = tr.parentNode.childNodes[i];
1141                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
1142                         node.classList.remove('cbi-rowstyle-1');
1143                         node.classList.remove('cbi-rowstyle-2');
1144                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
1145
1146                         if (/-([^\-]+)$/.test(node.id))
1147                                 ids.push(RegExp.$1);
1148                 }
1149         }
1150
1151         var input = document.getElementById(store);
1152         if (input)
1153                 input.value = ids.join(' ');
1154
1155         window.scrollTo(0, tr.offsetTop);
1156         void tr.offsetWidth;
1157         tr.classList.add('flash');
1158
1159         return false;
1160 }
1161
1162 function cbi_tag_last(container)
1163 {
1164         var last;
1165
1166         for (var i = 0; i < container.childNodes.length; i++) {
1167                 var c = container.childNodes[i];
1168                 if (matchesElem(c, 'div')) {
1169                         c.classList.remove('cbi-value-last');
1170                         last = c;
1171                 }
1172         }
1173
1174         if (last)
1175                 last.classList.add('cbi-value-last');
1176 }
1177
1178 function cbi_submit(elem, name, value, action)
1179 {
1180         var form = elem.form || findParent(elem, 'form');
1181
1182         if (!form)
1183                 return false;
1184
1185         if (action)
1186                 form.action = action;
1187
1188         if (name) {
1189                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
1190                         E('input', { type: 'hidden', name: name });
1191
1192                 hidden.value = value || '1';
1193                 form.appendChild(hidden);
1194         }
1195
1196         form.submit();
1197         return true;
1198 }
1199
1200 String.prototype.format = function()
1201 {
1202         if (!RegExp)
1203                 return;
1204
1205         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1206         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1207
1208         function esc(s, r) {
1209                 if (typeof(s) !== 'string' && !(s instanceof String))
1210                         return '';
1211
1212                 for (var i = 0; i < r.length; i += 2)
1213                         s = s.replace(r[i], r[i+1]);
1214
1215                 return s;
1216         }
1217
1218         var str = this;
1219         var out = '';
1220         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1221         var a = b = [], numSubstitutions = 0, numMatches = 0;
1222
1223         while (a = re.exec(str)) {
1224                 var m = a[1];
1225                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1226                 var pPrecision = a[6], pType = a[7];
1227
1228                 numMatches++;
1229
1230                 if (pType == '%') {
1231                         subst = '%';
1232                 }
1233                 else {
1234                         if (numSubstitutions < arguments.length) {
1235                                 var param = arguments[numSubstitutions++];
1236
1237                                 var pad = '';
1238                                 if (pPad && pPad.substr(0,1) == "'")
1239                                         pad = leftpart.substr(1,1);
1240                                 else if (pPad)
1241                                         pad = pPad;
1242                                 else
1243                                         pad = ' ';
1244
1245                                 var justifyRight = true;
1246                                 if (pJustify && pJustify === "-")
1247                                         justifyRight = false;
1248
1249                                 var minLength = -1;
1250                                 if (pMinLength)
1251                                         minLength = +pMinLength;
1252
1253                                 var precision = -1;
1254                                 if (pPrecision && pType == 'f')
1255                                         precision = +pPrecision.substring(1);
1256
1257                                 var subst = param;
1258
1259                                 switch(pType) {
1260                                         case 'b':
1261                                                 subst = (+param || 0).toString(2);
1262                                                 break;
1263
1264                                         case 'c':
1265                                                 subst = String.fromCharCode(+param || 0);
1266                                                 break;
1267
1268                                         case 'd':
1269                                                 subst = ~~(+param || 0);
1270                                                 break;
1271
1272                                         case 'u':
1273                                                 subst = ~~Math.abs(+param || 0);
1274                                                 break;
1275
1276                                         case 'f':
1277                                                 subst = (precision > -1)
1278                                                         ? ((+param || 0.0)).toFixed(precision)
1279                                                         : (+param || 0.0);
1280                                                 break;
1281
1282                                         case 'o':
1283                                                 subst = (+param || 0).toString(8);
1284                                                 break;
1285
1286                                         case 's':
1287                                                 subst = param;
1288                                                 break;
1289
1290                                         case 'x':
1291                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1292                                                 break;
1293
1294                                         case 'X':
1295                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1296                                                 break;
1297
1298                                         case 'h':
1299                                                 subst = esc(param, html_esc);
1300                                                 break;
1301
1302                                         case 'q':
1303                                                 subst = esc(param, quot_esc);
1304                                                 break;
1305
1306                                         case 't':
1307                                                 var td = 0;
1308                                                 var th = 0;
1309                                                 var tm = 0;
1310                                                 var ts = (param || 0);
1311
1312                                                 if (ts > 60) {
1313                                                         tm = Math.floor(ts / 60);
1314                                                         ts = (ts % 60);
1315                                                 }
1316
1317                                                 if (tm > 60) {
1318                                                         th = Math.floor(tm / 60);
1319                                                         tm = (tm % 60);
1320                                                 }
1321
1322                                                 if (th > 24) {
1323                                                         td = Math.floor(th / 24);
1324                                                         th = (th % 24);
1325                                                 }
1326
1327                                                 subst = (td > 0)
1328                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1329                                                         : String.format('%dh %dm %ds', th, tm, ts);
1330
1331                                                 break;
1332
1333                                         case 'm':
1334                                                 var mf = pMinLength ? +pMinLength : 1000;
1335                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1336
1337                                                 var i = 0;
1338                                                 var val = (+param || 0);
1339                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1340
1341                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1342                                                         val /= mf;
1343
1344                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1345                                                 pMinLength = null;
1346                                                 break;
1347                                 }
1348                         }
1349                 }
1350
1351                 if (pMinLength) {
1352                         subst = subst.toString();
1353                         for (var i = subst.length; i < pMinLength; i++)
1354                                 if (pJustify == '-')
1355                                         subst = subst + ' ';
1356                                 else
1357                                         subst = pad + subst;
1358                 }
1359
1360                 out += leftpart + subst;
1361                 str = str.substr(m.length);
1362         }
1363
1364         return out + str;
1365 }
1366
1367 String.prototype.nobr = function()
1368 {
1369         return this.replace(/[\s\n]+/g, '&#160;');
1370 }
1371
1372 String.format = function()
1373 {
1374         var a = [ ];
1375
1376         for (var i = 1; i < arguments.length; i++)
1377                 a.push(arguments[i]);
1378
1379         return ''.format.apply(arguments[0], a);
1380 }
1381
1382 String.nobr = function()
1383 {
1384         var a = [ ];
1385
1386         for (var i = 1; i < arguments.length; i++)
1387                 a.push(arguments[i]);
1388
1389         return ''.nobr.apply(arguments[0], a);
1390 }
1391
1392 if (window.NodeList && !NodeList.prototype.forEach) {
1393         NodeList.prototype.forEach = function (callback, thisArg) {
1394                 thisArg = thisArg || window;
1395                 for (var i = 0; i < this.length; i++) {
1396                         callback.call(thisArg, this[i], i, this);
1397                 }
1398         };
1399 }
1400
1401 if (!window.requestAnimationFrame) {
1402         window.requestAnimationFrame = function(f) {
1403                 window.setTimeout(function() {
1404                         f(new Date().getTime())
1405                 }, 1000/30);
1406         };
1407 }
1408
1409
1410 function isElem(e) { return L.dom.elem(e) }
1411 function toElem(s) { return L.dom.parse(s) }
1412 function matchesElem(node, selector) { return L.dom.matches(node, selector) }
1413 function findParent(node, selector) { return L.dom.parent(node, selector) }
1414 function E() { return L.dom.create.apply(L.dom, arguments) }
1415
1416 if (typeof(window.CustomEvent) !== 'function') {
1417         function CustomEvent(event, params) {
1418                 params = params || { bubbles: false, cancelable: false, detail: undefined };
1419                 var evt = document.createEvent('CustomEvent');
1420                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
1421                 return evt;
1422         }
1423
1424         CustomEvent.prototype = window.Event.prototype;
1425         window.CustomEvent = CustomEvent;
1426 }
1427
1428 CBIDropdown = {
1429         openDropdown: function(sb) {
1430                 var st = window.getComputedStyle(sb, null),
1431                     ul = sb.querySelector('ul'),
1432                     li = ul.querySelectorAll('li'),
1433                     fl = findParent(sb, '.cbi-value-field'),
1434                     sel = ul.querySelector('[selected]'),
1435                     rect = sb.getBoundingClientRect(),
1436                     items = Math.min(this.dropdown_items, li.length);
1437
1438                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1439                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1440                 });
1441
1442                 sb.setAttribute('open', '');
1443
1444                 var pv = ul.cloneNode(true);
1445                     pv.classList.add('preview');
1446
1447                 if (fl)
1448                         fl.classList.add('cbi-dropdown-open');
1449
1450                 if ('ontouchstart' in window) {
1451                         var vpWidth = Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
1452                             vpHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0),
1453                             scrollFrom = window.pageYOffset,
1454                             scrollTo = scrollFrom + rect.top - vpHeight * 0.5,
1455                             start = null;
1456
1457                         ul.style.top = sb.offsetHeight + 'px';
1458                         ul.style.left = -rect.left + 'px';
1459                         ul.style.right = (rect.right - vpWidth) + 'px';
1460                         ul.style.maxHeight = (vpHeight * 0.5) + 'px';
1461                         ul.style.WebkitOverflowScrolling = 'touch';
1462
1463                         var scrollStep = function(timestamp) {
1464                                 if (!start) {
1465                                         start = timestamp;
1466                                         ul.scrollTop = sel ? Math.max(sel.offsetTop - sel.offsetHeight, 0) : 0;
1467                                 }
1468
1469                                 var duration = Math.max(timestamp - start, 1);
1470                                 if (duration < 100) {
1471                                         document.body.scrollTop = scrollFrom + (scrollTo - scrollFrom) * (duration / 100);
1472                                         window.requestAnimationFrame(scrollStep);
1473                                 }
1474                                 else {
1475                                         document.body.scrollTop = scrollTo;
1476                                 }
1477                         };
1478
1479                         window.requestAnimationFrame(scrollStep);
1480                 }
1481                 else {
1482                         ul.style.maxHeight = '1px';
1483                         ul.style.top = ul.style.bottom = '';
1484
1485                         window.requestAnimationFrame(function() {
1486                                 var height = items * li[Math.max(0, li.length - 2)].offsetHeight;
1487
1488                                 ul.scrollTop = sel ? Math.max(sel.offsetTop - sel.offsetHeight, 0) : 0;
1489                                 ul.style[((rect.top + rect.height + height) > window.innerHeight) ? 'bottom' : 'top'] = rect.height + 'px';
1490                                 ul.style.maxHeight = height + 'px';
1491                         });
1492                 }
1493
1494                 ul.querySelectorAll('[selected] input[type="checkbox"]').forEach(function(c) {
1495                         c.checked = true;
1496                 });
1497
1498                 ul.classList.add('dropdown');
1499
1500                 sb.insertBefore(pv, ul.nextElementSibling);
1501
1502                 li.forEach(function(l) {
1503                         l.setAttribute('tabindex', 0);
1504                 });
1505
1506                 sb.lastElementChild.setAttribute('tabindex', 0);
1507
1508                 this.setFocus(sb, sel || li[0], true);
1509         },
1510
1511         closeDropdown: function(sb, no_focus) {
1512                 if (!sb.hasAttribute('open'))
1513                         return;
1514
1515                 var pv = sb.querySelector('ul.preview'),
1516                     ul = sb.querySelector('ul.dropdown'),
1517                     li = ul.querySelectorAll('li'),
1518                     fl = findParent(sb, '.cbi-value-field');
1519
1520                 li.forEach(function(l) { l.removeAttribute('tabindex'); });
1521                 sb.lastElementChild.removeAttribute('tabindex');
1522
1523                 sb.removeChild(pv);
1524                 sb.removeAttribute('open');
1525                 sb.style.width = sb.style.height = '';
1526
1527                 ul.classList.remove('dropdown');
1528                 ul.style.top = ul.style.bottom = ul.style.maxHeight = '';
1529
1530                 if (fl)
1531                         fl.classList.remove('cbi-dropdown-open');
1532
1533                 if (!no_focus)
1534                         this.setFocus(sb, sb);
1535
1536                 this.saveValues(sb, ul);
1537         },
1538
1539         toggleItem: function(sb, li, force_state) {
1540                 if (li.hasAttribute('unselectable'))
1541                         return;
1542
1543                 if (this.multi) {
1544                         var cbox = li.querySelector('input[type="checkbox"]'),
1545                             items = li.parentNode.querySelectorAll('li'),
1546                             label = sb.querySelector('ul.preview'),
1547                             sel = li.parentNode.querySelectorAll('[selected]').length,
1548                             more = sb.querySelector('.more'),
1549                             ndisplay = this.display_items,
1550                             n = 0;
1551
1552                         if (li.hasAttribute('selected')) {
1553                                 if (force_state !== true) {
1554                                         if (sel > 1 || this.optional) {
1555                                                 li.removeAttribute('selected');
1556                                                 cbox.checked = cbox.disabled = false;
1557                                                 sel--;
1558                                         }
1559                                         else {
1560                                                 cbox.disabled = true;
1561                                         }
1562                                 }
1563                         }
1564                         else {
1565                                 if (force_state !== false) {
1566                                         li.setAttribute('selected', '');
1567                                         cbox.checked = true;
1568                                         cbox.disabled = false;
1569                                         sel++;
1570                                 }
1571                         }
1572
1573                         while (label.firstElementChild)
1574                                 label.removeChild(label.firstElementChild);
1575
1576                         for (var i = 0; i < items.length; i++) {
1577                                 items[i].removeAttribute('display');
1578                                 if (items[i].hasAttribute('selected')) {
1579                                         if (ndisplay-- > 0) {
1580                                                 items[i].setAttribute('display', n++);
1581                                                 label.appendChild(items[i].cloneNode(true));
1582                                         }
1583                                         var c = items[i].querySelector('input[type="checkbox"]');
1584                                         if (c)
1585                                                 c.disabled = (sel == 1 && !this.optional);
1586                                 }
1587                         }
1588
1589                         if (ndisplay < 0)
1590                                 sb.setAttribute('more', '');
1591                         else
1592                                 sb.removeAttribute('more');
1593
1594                         if (ndisplay === this.display_items)
1595                                 sb.setAttribute('empty', '');
1596                         else
1597                                 sb.removeAttribute('empty');
1598
1599                         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
1600                 }
1601                 else {
1602                         var sel = li.parentNode.querySelector('[selected]');
1603                         if (sel) {
1604                                 sel.removeAttribute('display');
1605                                 sel.removeAttribute('selected');
1606                         }
1607
1608                         li.setAttribute('display', 0);
1609                         li.setAttribute('selected', '');
1610
1611                         this.closeDropdown(sb, true);
1612                 }
1613
1614                 this.saveValues(sb, li.parentNode);
1615         },
1616
1617         transformItem: function(sb, li) {
1618                 var cbox = E('form', {}, E('input', { type: 'checkbox', tabindex: -1, onclick: 'event.preventDefault()' })),
1619                     label = E('label');
1620
1621                 while (li.firstChild)
1622                         label.appendChild(li.firstChild);
1623
1624                 li.appendChild(cbox);
1625                 li.appendChild(label);
1626         },
1627
1628         saveValues: function(sb, ul) {
1629                 var sel = ul.querySelectorAll('li[selected]'),
1630                     div = sb.lastElementChild,
1631                     strval = '',
1632                     values = [];
1633
1634                 while (div.lastElementChild)
1635                         div.removeChild(div.lastElementChild);
1636
1637                 sel.forEach(function (s) {
1638                         if (s.hasAttribute('placeholder'))
1639                                 return;
1640
1641                         var v = {
1642                                 text: s.innerText,
1643                                 value: s.hasAttribute('data-value') ? s.getAttribute('data-value') : s.innerText,
1644                                 element: s
1645                         };
1646
1647                         div.appendChild(E('input', {
1648                                 type: 'hidden',
1649                                 name: s.hasAttribute('name') ? s.getAttribute('name') : (sb.getAttribute('name') || ''),
1650                                 value: v.value
1651                         }));
1652
1653                         values.push(v);
1654
1655                         strval += strval.length ? ' ' + v.value : v.value;
1656                 });
1657
1658                 var detail = {
1659                         instance: this,
1660                         element: sb
1661                 };
1662
1663                 if (this.multi)
1664                         detail.values = values;
1665                 else
1666                         detail.value = values.length ? values[0] : null;
1667
1668                 sb.value = strval;
1669
1670                 sb.dispatchEvent(new CustomEvent('cbi-dropdown-change', {
1671                         bubbles: true,
1672                         detail: detail
1673                 }));
1674
1675                 cbi_d_update();
1676         },
1677
1678         setValues: function(sb, values) {
1679                 var ul = sb.querySelector('ul');
1680
1681                 if (this.multi) {
1682                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1683                                 if (values === null || !(li.getAttribute('data-value') in values))
1684                                         this.toggleItem(sb, li, false);
1685                                 else
1686                                         this.toggleItem(sb, li, true);
1687                         });
1688                 }
1689                 else {
1690                         var ph = ul.querySelector('li[placeholder]');
1691                         if (ph)
1692                                 this.toggleItem(sb, ph);
1693
1694                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1695                                 if (values !== null && (li.getAttribute('data-value') in values))
1696                                         this.toggleItem(sb, li);
1697                         });
1698                 }
1699         },
1700
1701         setFocus: function(sb, elem, scroll) {
1702                 if (sb && sb.hasAttribute && sb.hasAttribute('locked-in'))
1703                         return;
1704
1705                 if (sb.target && findParent(sb.target, 'ul.dropdown'))
1706                         return;
1707
1708                 document.querySelectorAll('.focus').forEach(function(e) {
1709                         if (!matchesElem(e, 'input')) {
1710                                 e.classList.remove('focus');
1711                                 e.blur();
1712                         }
1713                 });
1714
1715                 if (elem) {
1716                         elem.focus();
1717                         elem.classList.add('focus');
1718
1719                         if (scroll)
1720                                 elem.parentNode.scrollTop = elem.offsetTop - elem.parentNode.offsetTop;
1721                 }
1722         },
1723
1724         createItems: function(sb, value) {
1725                 var sbox = this,
1726                     val = (value || '').trim(),
1727                     ul = sb.querySelector('ul');
1728
1729                 if (!sbox.multi)
1730                         val = val.length ? [ val ] : [];
1731                 else
1732                         val = val.length ? val.split(/\s+/) : [];
1733
1734                 val.forEach(function(item) {
1735                         var new_item = null;
1736
1737                         ul.childNodes.forEach(function(li) {
1738                                 if (li.getAttribute && li.getAttribute('data-value') === item)
1739                                         new_item = li;
1740                         });
1741
1742                         if (!new_item) {
1743                                 var markup,
1744                                     tpl = sb.querySelector(sbox.template);
1745
1746                                 if (tpl)
1747                                         markup = (tpl.textContent || tpl.innerHTML || tpl.firstChild.data).replace(/^<!--|-->$/, '').trim();
1748                                 else
1749                                         markup = '<li data-value="{{value}}">{{value}}</li>';
1750
1751                                 new_item = E(markup.replace(/{{value}}/g, item));
1752
1753                                 if (sbox.multi) {
1754                                         sbox.transformItem(sb, new_item);
1755                                 }
1756                                 else {
1757                                         var old = ul.querySelector('li[created]');
1758                                         if (old)
1759                                                 ul.removeChild(old);
1760
1761                                         new_item.setAttribute('created', '');
1762                                 }
1763
1764                                 new_item = ul.insertBefore(new_item, ul.lastElementChild);
1765                         }
1766
1767                         sbox.toggleItem(sb, new_item, true);
1768                         sbox.setFocus(sb, new_item, true);
1769                 });
1770         },
1771
1772         closeAllDropdowns: function() {
1773                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1774                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1775                 });
1776         },
1777
1778         handleClick: function(ev) {
1779                 var sb = ev.currentTarget;
1780
1781                 if (!sb.hasAttribute('open')) {
1782                         if (!matchesElem(ev.target, 'input'))
1783                                 this.openDropdown(sb);
1784                 }
1785                 else {
1786                         var li = findParent(ev.target, 'li');
1787                         if (li && li.parentNode.classList.contains('dropdown'))
1788                                 this.toggleItem(sb, li);
1789                         else if (li && li.parentNode.classList.contains('preview'))
1790                                 this.closeDropdown(sb);
1791                 }
1792
1793                 ev.preventDefault();
1794                 ev.stopPropagation();
1795         },
1796
1797         handleKeydown: function(ev) {
1798                 var sb = ev.currentTarget;
1799
1800                 if (matchesElem(ev.target, 'input'))
1801                         return;
1802
1803                 if (!sb.hasAttribute('open')) {
1804                         switch (ev.keyCode) {
1805                         case 37:
1806                         case 38:
1807                         case 39:
1808                         case 40:
1809                                 this.openDropdown(sb);
1810                                 ev.preventDefault();
1811                         }
1812                 }
1813                 else {
1814                         var active = findParent(document.activeElement, 'li');
1815
1816                         switch (ev.keyCode) {
1817                         case 27:
1818                                 this.closeDropdown(sb);
1819                                 break;
1820
1821                         case 13:
1822                                 if (active) {
1823                                         if (!active.hasAttribute('selected'))
1824                                                 this.toggleItem(sb, active);
1825                                         this.closeDropdown(sb);
1826                                         ev.preventDefault();
1827                                 }
1828                                 break;
1829
1830                         case 32:
1831                                 if (active) {
1832                                         this.toggleItem(sb, active);
1833                                         ev.preventDefault();
1834                                 }
1835                                 break;
1836
1837                         case 38:
1838                                 if (active && active.previousElementSibling) {
1839                                         this.setFocus(sb, active.previousElementSibling);
1840                                         ev.preventDefault();
1841                                 }
1842                                 break;
1843
1844                         case 40:
1845                                 if (active && active.nextElementSibling) {
1846                                         this.setFocus(sb, active.nextElementSibling);
1847                                         ev.preventDefault();
1848                                 }
1849                                 break;
1850                         }
1851                 }
1852         },
1853
1854         handleDropdownClose: function(ev) {
1855                 var sb = ev.currentTarget;
1856
1857                 this.closeDropdown(sb, true);
1858         },
1859
1860         handleDropdownSelect: function(ev) {
1861                 var sb = ev.currentTarget,
1862                     li = findParent(ev.target, 'li');
1863
1864                 if (!li)
1865                         return;
1866
1867                 this.toggleItem(sb, li);
1868                 this.closeDropdown(sb, true);
1869         },
1870
1871         handleMouseover: function(ev) {
1872                 var sb = ev.currentTarget;
1873
1874                 if (!sb.hasAttribute('open'))
1875                         return;
1876
1877                 var li = findParent(ev.target, 'li');
1878
1879                 if (li && li.parentNode.classList.contains('dropdown'))
1880                         this.setFocus(sb, li);
1881         },
1882
1883         handleFocus: function(ev) {
1884                 var sb = ev.currentTarget;
1885
1886                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1887                         if (s !== sb || sb.hasAttribute('open'))
1888                                 s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1889                 });
1890         },
1891
1892         handleCanaryFocus: function(ev) {
1893                 this.closeDropdown(ev.currentTarget.parentNode);
1894         },
1895
1896         handleCreateKeydown: function(ev) {
1897                 var input = ev.currentTarget,
1898                     sb = findParent(input, '.cbi-dropdown');
1899
1900                 switch (ev.keyCode) {
1901                 case 13:
1902                         ev.preventDefault();
1903
1904                         if (input.classList.contains('cbi-input-invalid'))
1905                                 return;
1906
1907                         this.createItems(sb, input.value);
1908                         input.value = '';
1909                         input.blur();
1910                         break;
1911                 }
1912         },
1913
1914         handleCreateFocus: function(ev) {
1915                 var input = ev.currentTarget,
1916                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
1917                     sb = findParent(input, '.cbi-dropdown');
1918
1919                 if (cbox)
1920                         cbox.checked = true;
1921
1922                 sb.setAttribute('locked-in', '');
1923         },
1924
1925         handleCreateBlur: function(ev) {
1926                 var input = ev.currentTarget,
1927                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
1928                     sb = findParent(input, '.cbi-dropdown');
1929
1930                 if (cbox)
1931                         cbox.checked = false;
1932
1933                 sb.removeAttribute('locked-in');
1934         },
1935
1936         handleCreateClick: function(ev) {
1937                 ev.currentTarget.querySelector(this.create).focus();
1938         }
1939 };
1940
1941 function cbi_dropdown_init(sb) {
1942         if (!(this instanceof cbi_dropdown_init))
1943                 return new cbi_dropdown_init(sb);
1944
1945         this.multi = sb.hasAttribute('multiple');
1946         this.optional = sb.hasAttribute('optional');
1947         this.placeholder = sb.getAttribute('placeholder') || '---';
1948         this.display_items = parseInt(sb.getAttribute('display-items') || 3);
1949         this.dropdown_items = parseInt(sb.getAttribute('dropdown-items') || 5);
1950         this.create = sb.getAttribute('item-create') || '.create-item-input';
1951         this.template = sb.getAttribute('item-template') || 'script[type="item-template"]';
1952
1953         var ul = sb.querySelector('ul'),
1954             more = sb.appendChild(E('span', { class: 'more', tabindex: -1 }, '···')),
1955             open = sb.appendChild(E('span', { class: 'open', tabindex: -1 }, '▾')),
1956             canary = sb.appendChild(E('div')),
1957             create = sb.querySelector(this.create),
1958             ndisplay = this.display_items,
1959             n = 0;
1960
1961         if (this.multi) {
1962                 var items = ul.querySelectorAll('li');
1963
1964                 for (var i = 0; i < items.length; i++) {
1965                         this.transformItem(sb, items[i]);
1966
1967                         if (items[i].hasAttribute('selected') && ndisplay-- > 0)
1968                                 items[i].setAttribute('display', n++);
1969                 }
1970         }
1971         else {
1972                 if (this.optional && !ul.querySelector('li[data-value=""]')) {
1973                         var placeholder = E('li', { placeholder: '' }, this.placeholder);
1974                         ul.firstChild ? ul.insertBefore(placeholder, ul.firstChild) : ul.appendChild(placeholder);
1975                 }
1976
1977                 var items = ul.querySelectorAll('li'),
1978                     sel = sb.querySelectorAll('[selected]');
1979
1980                 sel.forEach(function(s) {
1981                         s.removeAttribute('selected');
1982                 });
1983
1984                 var s = sel[0] || items[0];
1985                 if (s) {
1986                         s.setAttribute('selected', '');
1987                         s.setAttribute('display', n++);
1988                 }
1989
1990                 ndisplay--;
1991         }
1992
1993         this.saveValues(sb, ul);
1994
1995         ul.setAttribute('tabindex', -1);
1996         sb.setAttribute('tabindex', 0);
1997
1998         if (ndisplay < 0)
1999                 sb.setAttribute('more', '')
2000         else
2001                 sb.removeAttribute('more');
2002
2003         if (ndisplay === this.display_items)
2004                 sb.setAttribute('empty', '')
2005         else
2006                 sb.removeAttribute('empty');
2007
2008         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
2009
2010
2011         sb.addEventListener('click', this.handleClick.bind(this));
2012         sb.addEventListener('keydown', this.handleKeydown.bind(this));
2013         sb.addEventListener('cbi-dropdown-close', this.handleDropdownClose.bind(this));
2014         sb.addEventListener('cbi-dropdown-select', this.handleDropdownSelect.bind(this));
2015
2016         if ('ontouchstart' in window) {
2017                 sb.addEventListener('touchstart', function(ev) { ev.stopPropagation(); });
2018                 window.addEventListener('touchstart', this.closeAllDropdowns);
2019         }
2020         else {
2021                 sb.addEventListener('mouseover', this.handleMouseover.bind(this));
2022                 sb.addEventListener('focus', this.handleFocus.bind(this));
2023
2024                 canary.addEventListener('focus', this.handleCanaryFocus.bind(this));
2025
2026                 window.addEventListener('mouseover', this.setFocus);
2027                 window.addEventListener('click', this.closeAllDropdowns);
2028         }
2029
2030         if (create) {
2031                 create.addEventListener('keydown', this.handleCreateKeydown.bind(this));
2032                 create.addEventListener('focus', this.handleCreateFocus.bind(this));
2033                 create.addEventListener('blur', this.handleCreateBlur.bind(this));
2034
2035                 var li = findParent(create, 'li');
2036
2037                 li.setAttribute('unselectable', '');
2038                 li.addEventListener('click', this.handleCreateClick.bind(this));
2039         }
2040 }
2041
2042 cbi_dropdown_init.prototype = CBIDropdown;
2043
2044 function cbi_update_table(table, data, placeholder) {
2045         var target = isElem(table) ? table : document.querySelector(table);
2046
2047         if (!isElem(target))
2048                 return;
2049
2050         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
2051                 var titles = [];
2052
2053                 thead.querySelectorAll('.th').forEach(function(th) {
2054                         titles.push(th);
2055                 });
2056
2057                 if (Array.isArray(data)) {
2058                         var n = 0, rows = target.querySelectorAll('.tr');
2059
2060                         data.forEach(function(row) {
2061                                 var trow = E('div', { 'class': 'tr' });
2062
2063                                 for (var i = 0; i < titles.length; i++) {
2064                                         var text = (titles[i].innerText || '').trim();
2065                                         var td = trow.appendChild(E('div', {
2066                                                 'class': titles[i].className,
2067                                                 'data-title': (text !== '') ? text : null
2068                                         }, row[i] || ''));
2069
2070                                         td.classList.remove('th');
2071                                         td.classList.add('td');
2072                                 }
2073
2074                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
2075
2076                                 if (rows[n])
2077                                         target.replaceChild(trow, rows[n]);
2078                                 else
2079                                         target.appendChild(trow);
2080                         });
2081
2082                         while (rows[++n])
2083                                 target.removeChild(rows[n]);
2084
2085                         if (placeholder && target.firstElementChild === target.lastElementChild) {
2086                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
2087                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
2088
2089                                 td.classList.remove('th');
2090                                 td.classList.add('td');
2091                         }
2092                 }
2093                 else {
2094                         thead.parentNode.style.display = 'none';
2095
2096                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
2097                                 if (trow !== thead) {
2098                                         var n = 0;
2099                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
2100                                                 if (n < titles.length) {
2101                                                         var text = (titles[n++].innerText || '').trim();
2102                                                         if (text !== '')
2103                                                                 td.setAttribute('data-title', text);
2104                                                 }
2105                                         });
2106                                 }
2107                         });
2108
2109                         thead.parentNode.style.display = '';
2110                 }
2111         });
2112 }
2113
2114 function showModal(title, children)
2115 {
2116         return L.showModal(title, children);
2117 }
2118
2119 function hideModal()
2120 {
2121         return L.hideModal();
2122 }
2123
2124
2125 document.addEventListener('DOMContentLoaded', function() {
2126         document.addEventListener('validation-failure', function(ev) {
2127                 if (ev.target === document.activeElement)
2128                         L.showTooltip(ev);
2129         });
2130
2131         document.addEventListener('validation-success', function(ev) {
2132                 if (ev.target === document.activeElement)
2133                         L.hideTooltip(ev);
2134         });
2135
2136         document.querySelectorAll('.table').forEach(cbi_update_table);
2137 });