modules/luci-base/htdocs/luci-static/resources/cbi.js

   1 /*
   2         LuCI - Lua Configuration Interface
   3
   4         Copyright 2008 Steven Barth <steven@midlink.org>
   5         Copyright 2008-2012 Jo-Philipp Wich <jow@openwrt.org>
   6
   7         Licensed under the Apache License, Version 2.0 (the "License");
   8         you may not use this file except in compliance with the License.
   9         You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12 */
  13
  14 var cbi_d = [];
  15 var cbi_t = [];
  16 var cbi_strings = { path: {}, label: {} };
  17
  18 function sfh(s) {
  19         if (s === null || s.length === 0)
  20                 return null;
  21
  22         var hash = (s.length >>> 0),
  23             len = (s.length >>> 2),
  24             off = 0, tmp;
  25
  26         while (len--) {
  27                 hash += ((s.charCodeAt(off + 1) << 8) + s.charCodeAt(off)) >>> 0;
  28                 tmp   = ((((s.charCodeAt(off + 3) << 8) + s.charCodeAt(off + 2)) << 11) ^ hash) >>> 0;
  29                 hash  = ((hash << 16) ^ tmp) >>> 0;
  30                 hash += hash >>> 11;
  31                 off  += 4;
  32         }
  33
  34         switch ((s.length & 3) >>> 0) {
  35         case 3:
  36                 hash += ((s.charCodeAt(off + 1) << 8) + s.charCodeAt(off)) >>> 0;
  37                 hash  = (hash ^ (hash << 16)) >>> 0;
  38                 hash  = (hash ^ (s.charCodeAt(off + 2) << 18)) >>> 0;
  39                 hash += hash >> 11;
  40                 break;
  41
  42         case 2:
  43                 hash += ((s.charCodeAt(off + 1) << 8) + s.charCodeAt(off)) >>> 0;
  44                 hash  = (hash ^ (hash << 11)) >>> 0;
  45                 hash += hash >>> 17;
  46                 break;
  47
  48         case 1:
  49                 hash += s.charCodeAt(off);
  50                 hash  = (hash ^ (hash << 10)) >>> 0;
  51                 hash += hash >>> 1;
  52                 break;
  53         }
  54
  55         hash  = (hash ^ (hash << 3)) >>> 0;
  56         hash += hash >>> 5;
  57         hash  = (hash ^ (hash << 4)) >>> 0;
  58         hash += hash >>> 17;
  59         hash  = (hash ^ (hash << 25)) >>> 0;
  60         hash += hash >>> 6;
  61
  62         return (0x100000000 + hash).toString(16).substr(1);
  63 }
  64
  65 function _(s) {
  66         return (window.TR && TR[sfh(s)]) || s;
  67 }
  68
  69 function Int(x) {
  70         return (/^-?\d+$/.test(x) ? +x : NaN);
  71 }
  72
  73 function Dec(x) {
  74         return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
  75 }
  76
  77 function IPv4(x) {
  78         if (!x.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/))
  79                 return null;
  80
  81         if (RegExp.$1 > 255 || RegExp.$2 > 255 || RegExp.$3 > 255 || RegExp.$4 > 255)
  82                 return null;
  83
  84         return [ +RegExp.$1, +RegExp.$2, +RegExp.$3, +RegExp.$4 ];
  85 }
  86
  87 function IPv6(x) {
  88         if (x.match(/^([a-fA-F0-9:]+):(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/)) {
  89                 var v6 = RegExp.$1, v4 = IPv4(RegExp.$2);
  90
  91                 if (!v4)
  92                         return null;
  93
  94                 x = v6 + ':' + (v4[0] * 256 + v4[1]).toString(16)
  95                        + ':' + (v4[2] * 256 + v4[3]).toString(16);
  96         }
  97
  98         if (!x.match(/^[a-fA-F0-9:]+$/))
  99                 return null;
 100
 101         var prefix_suffix = x.split(/::/);
 102
 103         if (prefix_suffix.length > 2)
 104                 return null;
 105
 106         var prefix = (prefix_suffix[0] || '0').split(/:/);
 107         var suffix = prefix_suffix.length > 1 ? (prefix_suffix[1] || '0').split(/:/) : [];
 108
 109         if (suffix.length ? (prefix.length + suffix.length > 7)
 110                           : ((prefix_suffix.length < 2 && prefix.length < 8) || prefix.length > 8))
 111                 return null;
 112
 113         var i, word;
 114         var words = [];
 115
 116         for (i = 0, word = parseInt(prefix[0], 16); i < prefix.length; word = parseInt(prefix[++i], 16))
 117                 if (prefix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 118                         words.push(word);
 119                 else
 120                         return null;
 121
 122         for (i = 0; i < (8 - prefix.length - suffix.length); i++)
 123                 words.push(0);
 124
 125         for (i = 0, word = parseInt(suffix[0], 16); i < suffix.length; word = parseInt(suffix[++i], 16))
 126                 if (suffix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
 127                         words.push(word);
 128                 else
 129                         return null;
 130
 131         return words;
 132 }
 133
 134 var CBIValidatorPrototype = {
 135         apply: function(name, value, args) {
 136                 var func;
 137
 138                 if (typeof(name) === 'function')
 139                         func = name;
 140                 else if (typeof(this.types[name]) === 'function')
 141                         func = this.types[name];
 142                 else
 143                         return false;
 144
 145                 if (value !== undefined && value !== null)
 146                         this.value = value;
 147
 148                 return func.apply(this, args);
 149         },
 150
 151         assert: function(condition, message) {
 152                 if (!condition) {
 153                         this.field.classList.add('cbi-input-invalid');
 154                         this.error = message;
 155                         return false;
 156                 }
 157
 158                 this.field.classList.remove('cbi-input-invalid');
 159                 this.error = null;
 160                 return true;
 161         },
 162
 163         compile: function(code) {
 164                 var pos = 0;
 165                 var esc = false;
 166                 var depth = 0;
 167                 var stack = [ ];
 168
 169                 code += ',';
 170
 171                 for (var i = 0; i < code.length; i++) {
 172                         if (esc) {
 173                                 esc = false;
 174                                 continue;
 175                         }
 176
 177                         switch (code.charCodeAt(i))
 178                         {
 179                         case 92:
 180                                 esc = true;
 181                                 break;
 182
 183                         case 40:
 184                         case 44:
 185                                 if (depth <= 0) {
 186                                         if (pos < i) {
 187                                                 var label = code.substring(pos, i);
 188                                                         label = label.replace(/\\(.)/g, '$1');
 189                                                         label = label.replace(/^[ \t]+/g, '');
 190                                                         label = label.replace(/[ \t]+$/g, '');
 191
 192                                                 if (label && !isNaN(label)) {
 193                                                         stack.push(parseFloat(label));
 194                                                 }
 195                                                 else if (label.match(/^(['"]).*\1$/)) {
 196                                                         stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 197                                                 }
 198                                                 else if (typeof this.types[label] == 'function') {
 199                                                         stack.push(this.types[label]);
 200                                                         stack.push(null);
 201                                                 }
 202                                                 else {
 203                                                         throw "Syntax error, unhandled token '"+label+"'";
 204                                                 }
 205                                         }
 206
 207                                         pos = i+1;
 208                                 }
 209
 210                                 depth += (code.charCodeAt(i) == 40);
 211                                 break;
 212
 213                         case 41:
 214                                 if (--depth <= 0) {
 215                                         if (typeof stack[stack.length-2] != 'function')
 216                                                 throw "Syntax error, argument list follows non-function";
 217
 218                                         stack[stack.length-1] = this.compile(code.substring(pos, i));
 219                                         pos = i+1;
 220                                 }
 221
 222                                 break;
 223                         }
 224                 }
 225
 226                 return stack;
 227         },
 228
 229         validate: function() {
 230                 /* element is detached */
 231                 if (!this.field.form)
 232                         return true;
 233
 234                 this.field.classList.remove('cbi-input-invalid');
 235                 this.value = matchesElem(this.field, 'select') ? this.field.options[this.field.selectedIndex].value : this.field.value;
 236                 this.error = null;
 237
 238                 var valid;
 239
 240                 if (this.value.length === 0)
 241                         valid = this.assert(this.optional, _('non-empty value'));
 242                 else
 243                         valid = this.vstack[0].apply(this, this.vstack[1]);
 244
 245                 if (!valid) {
 246                         this.field.setAttribute('data-tooltip', 'Expecting ' + this.error);
 247                         this.field.setAttribute('data-tooltip-style', 'error');
 248                         this.field.dispatchEvent(new CustomEvent('validation-failure', { bubbles: true }));
 249                 }
 250                 else {
 251                         this.field.removeAttribute('data-tooltip');
 252                         this.field.removeAttribute('data-tooltip-style');
 253                         this.field.dispatchEvent(new CustomEvent('validation-success', { bubbles: true }));
 254                 }
 255
 256                 return valid;
 257         },
 258
 259         types: {
 260                 integer: function() {
 261                         return this.assert(Int(this.value) !== NaN, _('valid integer value'));
 262                 },
 263
 264                 uinteger: function() {
 265                         return this.assert(Int(this.value) >= 0, _('positive integer value'));
 266                 },
 267
 268                 float: function() {
 269                         return this.assert(Dec(this.value) !== NaN, _('valid decimal value'));
 270                 },
 271
 272                 ufloat: function() {
 273                         return this.assert(Dec(this.value) >= 0, _('positive decimal value'));
 274                 },
 275
 276                 ipaddr: function(nomask) {
 277                         return this.assert(this.apply('ip4addr', null, [nomask]) || this.apply('ip6addr', null, [nomask]),
 278                                 nomask ? _('valid IP address') : _('valid IP address or prefix'));
 279                 },
 280
 281                 ip4addr: function(nomask) {
 282                         var re = nomask ? /^(\d+\.\d+\.\d+\.\d+)$/ : /^(\d+\.\d+\.\d+\.\d+)(?:\/(\d+\.\d+\.\d+\.\d+)|\/(\d{1,2}))?$/,
 283                             m = this.value.match(re);
 284
 285                         return this.assert(m && IPv4(m[1]) && (m[2] ? IPv4(m[2]) : (m[3] ? this.apply('ip4prefix', m[3]) : true)),
 286                                 nomask ? _('valid IPv4 address') : _('valid IPv4 address or network'));
 287                 },
 288
 289                 ip6addr: function(nomask) {
 290                         var re = nomask ? /^([0-9a-fA-F:.]+)$/ : /^([0-9a-fA-F:.]+)(?:\/(\d{1,3}))?$/,
 291                             m = this.value.match(re);
 292
 293                         return this.assert(m && IPv6(m[1]) && (m[2] ? this.apply('ip6prefix', m[2]) : true),
 294                                 nomask ? _('valid IPv6 address') : _('valid IPv6 address or prefix'));
 295                 },
 296
 297                 ip4prefix: function() {
 298                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 32,
 299                                 _('valid IPv4 prefix value (0-32)'));
 300                 },
 301
 302                 ip6prefix: function() {
 303                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 128,
 304                                 _('valid IPv6 prefix value (0-128)'));
 305                 },
 306
 307                 cidr: function() {
 308                         return this.assert(this.apply('cidr4') || this.apply('cidr6'), _('valid IPv4 or IPv6 CIDR'));
 309                 },
 310
 311                 cidr4: function() {
 312                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,2})$/);
 313                         return this.assert(m && IPv4(m[1]) && this.apply('ip4prefix', m[2]), _('valid IPv4 CIDR'));
 314                 },
 315
 316                 cidr6: function() {
 317                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/(\d{1,3})$/);
 318                         return this.assert(m && IPv6(m[1]) && this.apply('ip6prefix', m[2]), _('valid IPv6 CIDR'));
 319                 },
 320
 321                 ipnet4: function() {
 322                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/);
 323                         return this.assert(m && IPv4(m[1]) && IPv4(m[2]), _('IPv4 network in address/netmask notation'));
 324                 },
 325
 326                 ipnet6: function() {
 327                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/([0-9a-fA-F:.]+)$/);
 328                         return this.assert(m && IPv6(m[1]) && IPv6(m[2]), _('IPv6 network in address/netmask notation'));
 329                 },
 330
 331                 ip6hostid: function() {
 332                         if (this.value == "eui64" || this.value == "random")
 333                                 return true;
 334
 335                         var v6 = IPv6(this.value);
 336                         return this.assert(!(!v6 || v6[0] || v6[1] || v6[2] || v6[3]), _('valid IPv6 host id'));
 337                 },
 338
 339                 ipmask: function() {
 340                         return this.assert(this.apply('ipmask4') || this.apply('ipmask6'),
 341                                 _('valid network in address/netmask notation'));
 342                 },
 343
 344                 ipmask4: function() {
 345                         return this.assert(this.apply('cidr4') || this.apply('ipnet4') || this.apply('ip4addr'),
 346                                 _('valid IPv4 network'));
 347                 },
 348
 349                 ipmask6: function() {
 350                         return this.assert(this.apply('cidr6') || this.apply('ipnet6') || this.apply('ip6addr'),
 351                                 _('valid IPv6 network'));
 352                 },
 353
 354                 port: function() {
 355                         var p = Int(this.value);
 356                         return this.assert(p >= 0 && p <= 65535, _('valid port value'));
 357                 },
 358
 359                 portrange: function() {
 360                         if (this.value.match(/^(\d+)-(\d+)$/)) {
 361                                 var p1 = +RegExp.$1;
 362                                 var p2 = +RegExp.$2;
 363                                 return this.assert(p1 <= p2 && p2 <= 65535,
 364                                         _('valid port or port range (port1-port2)'));
 365                         }
 366
 367                         return this.assert(this.apply('port'), _('valid port or port range (port1-port2)'));
 368                 },
 369
 370                 macaddr: function() {
 371                         return this.assert(this.value.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null,
 372                                 _('valid MAC address'));
 373                 },
 374
 375                 host: function(ipv4only) {
 376                         return this.assert(this.apply('hostname') || this.apply(ipv4only == 1 ? 'ip4addr' : 'ipaddr'),
 377                                 _('valid hostname or IP address'));
 378                 },
 379
 380                 hostname: function(strict) {
 381                         if (this.value.length <= 253)
 382                                 return this.assert(
 383                                         (this.value.match(/^[a-zA-Z0-9_]+$/) != null ||
 384                                                 (this.value.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 385                                                  this.value.match(/[^0-9.]/))) &&
 386                                         (!strict || !this.value.match(/^_/)),
 387                                         _('valid hostname'));
 388
 389                         return this.assert(false, _('valid hostname'));
 390                 },
 391
 392                 network: function() {
 393                         return this.assert(this.apply('uciname') || this.apply('host'),
 394                                 _('valid UCI identifier, hostname or IP address'));
 395                 },
 396
 397                 hostport: function(ipv4only) {
 398                         var hp = this.value.split(/:/);
 399                         return this.assert(hp.length == 2 && this.apply('host', hp[0], [ipv4only]) && this.apply('port', hp[1]),
 400                                 _('valid host:port'));
 401                 },
 402
 403                 ip4addrport: function() {
 404                         var hp = this.value.split(/:/);
 405                         return this.assert(hp.length == 2 && this.apply('ip4addr', hp[0], [true]) && this.apply('port', hp[1]),
 406                                 _('valid IPv4 address:port'));
 407                 },
 408
 409                 ipaddrport: function(bracket) {
 410                         var m4 = this.value.match(/^([^\[\]:]+):(\d+)$/),
 411                             m6 = this.value.match((bracket == 1) ? /^\[(.+)\]:(\d+)$/ : /^([^\[\]]+):(\d+)$/);
 412
 413                         if (m4)
 414                                 return this.assert(this.apply('ip4addr', m4[0], [true]) && this.apply('port', m4[1]),
 415                                         _('valid address:port'));
 416
 417                         return this.assert(m6 && this.apply('ip6addr', m6[0], [true]) && this.apply('port', m6[1]),
 418                                 _('valid address:port'));
 419                 },
 420
 421                 wpakey: function() {
 422                         var v = this.value;
 423
 424                         if (v.length == 64)
 425                                 return this.assert(v.match(/^[a-fA-F0-9]{64}$/), _('valid hexadecimal WPA key'));
 426
 427                         return this.assert((v.length >= 8) && (v.length <= 63), _('key between 8 and 63 characters'));
 428                 },
 429
 430                 wepkey: function() {
 431                         var v = this.value;
 432
 433                         if (v.substr(0, 2) === 's:')
 434                                 v = v.substr(2);
 435
 436                         if ((v.length == 10) || (v.length == 26))
 437                                 return this.assert(v.match(/^[a-fA-F0-9]{10,26}$/), _('valid hexadecimal WEP key'));
 438
 439                         return this.assert((v.length === 5) || (v.length === 13), _('key with either 5 or 13 characters'));
 440                 },
 441
 442                 uciname: function() {
 443                         return this.assert(this.value.match(/^[a-zA-Z0-9_]+$/), _('valid UCI identifier'));
 444                 },
 445
 446                 range: function(min, max) {
 447                         var val = Dec(this.value);
 448                         return this.assert(val >= +min && val <= +max, _('value between %f and %f').format(min, max));
 449                 },
 450
 451                 min: function(min) {
 452                         return this.assert(Dec(this.value) >= +min, _('value greater or equal to %f').format(min));
 453                 },
 454
 455                 max: function(max) {
 456                         return this.assert(Dec(this.value) <= +max, _('value smaller or equal to %f').format(max));
 457                 },
 458
 459                 rangelength: function(min, max) {
 460                         var val = '' + this.value;
 461                         return this.assert((val.length >= +min) && (val.length <= +max),
 462                                 _('value between %d and %d characters').format(min, max));
 463                 },
 464
 465                 minlength: function(min) {
 466                         return this.assert((''+this.value).length >= +min,
 467                                 _('value with at least %d characters').format(min));
 468                 },
 469
 470                 maxlength: function(max) {
 471                         return this.assert((''+this.value).length <= +max,
 472                                 _('value with at most %d characters').format(max));
 473                 },
 474
 475                 or: function() {
 476                         var errors = [];
 477
 478                         for (var i = 0; i < arguments.length; i += 2) {
 479                                 if (typeof arguments[i] != 'function') {
 480                                         if (arguments[i] == this.value)
 481                                                 return this.assert(true);
 482                                         errors.push('"%s"'.format(arguments[i]));
 483                                         i--;
 484                                 }
 485                                 else if (arguments[i].apply(this, arguments[i+1])) {
 486                                         return this.assert(true);
 487                                 }
 488                                 else {
 489                                         errors.push(this.error);
 490                                 }
 491                         }
 492
 493                         return this.assert(false, _('one of:\n - %s'.format(errors.join('\n - '))));
 494                 },
 495
 496                 and: function() {
 497                         for (var i = 0; i < arguments.length; i += 2) {
 498                                 if (typeof arguments[i] != 'function') {
 499                                         if (arguments[i] != this.value)
 500                                                 return this.assert(false, '"%s"'.format(arguments[i]));
 501                                         i--;
 502                                 }
 503                                 else if (!arguments[i].apply(this, arguments[i+1])) {
 504                                         return this.assert(false, this.error);
 505                                 }
 506                         }
 507
 508                         return this.assert(true);
 509                 },
 510
 511                 neg: function() {
 512                         return this.apply('or', this.value.replace(/^[ \t]*![ \t]*/, ''), arguments);
 513                 },
 514
 515                 list: function(subvalidator, subargs) {
 516                         this.field.setAttribute('data-is-list', 'true');
 517
 518                         var tokens = this.value.match(/[^ \t]+/g);
 519                         for (var i = 0; i < tokens.length; i++)
 520                                 if (!this.apply(subvalidator, tokens[i], subargs))
 521                                         return this.assert(false, this.error);
 522
 523                         return this.assert(true);
 524                 },
 525
 526                 phonedigit: function() {
 527                         return this.assert(this.value.match(/^[0-9\*#!\.]+$/),
 528                                 _('valid phone digit (0-9, "*", "#", "!" or ".")'));
 529                 },
 530
 531                 timehhmmss: function() {
 532                         return this.assert(this.value.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/),
 533                                 _('valid time (HH:MM:SS'));
 534                 },
 535
 536                 dateyyyymmdd: function() {
 537                         if (this.value.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 538                                 var year  = +RegExp.$1,
 539                                     month = +RegExp.$2,
 540                                     day   = +RegExp.$3,
 541                                     days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
 542
 543                                 function is_leap_year(year) {
 544                                         return ((!(year % 4) && (year % 100)) || !(year % 400));
 545                                 }
 546
 547                                 function get_days_in_month(month, year) {
 548                                         return (month === 2 && is_leap_year(year)) ? 29 : days_in_month[month - 1];
 549                                 }
 550
 551                                 /* Firewall rules in the past don't make sense */
 552                                 return this.assert(year >= 2015 && month && month <= 12 && day && day <= get_days_in_month(month, year),
 553                                         _('valid date (YYYY-MM-DD)'));
 554
 555                         }
 556
 557                         return this.assert(false, _('valid date (YYYY-MM-DD)'));
 558                 },
 559
 560                 unique: function(subvalidator, subargs) {
 561                         var ctx = this,
 562                                 option = findParent(ctx.field, '[data-type][data-name]'),
 563                             section = findParent(option, '.cbi-section'),
 564                             query = '[data-type="%s"][data-name="%s"]'.format(option.getAttribute('data-type'), option.getAttribute('data-name')),
 565                             unique = true;
 566
 567                         section.querySelectorAll(query).forEach(function(sibling) {
 568                                 if (sibling === option)
 569                                         return;
 570
 571                                 var input = sibling.querySelector('[data-type]'),
 572                                     values = input.getAttribute('data-is-list') ? input.value.match(/[^ \t]+/g) : [ input.value ];
 573
 574                                 if (values !== null && values.indexOf(ctx.value) !== -1)
 575                                         unique = false;
 576                         });
 577
 578                         if (!unique)
 579                                 return this.assert(false, _('unique value'));
 580
 581                         if (typeof(subvalidator) === 'function')
 582                                 return this.apply(subvalidator, undefined, subargs);
 583
 584                         return this.assert(true);
 585                 }
 586         }
 587 };
 588
 589 function CBIValidator(field, type, optional)
 590 {
 591         this.field = field;
 592         this.optional = optional;
 593         this.vstack = this.compile(type);
 594 }
 595
 596 CBIValidator.prototype = CBIValidatorPrototype;
 597
 598
 599 function cbi_d_add(field, dep, index) {
 600         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 601         if (obj) {
 602                 var entry
 603                 for (var i=0; i<cbi_d.length; i++) {
 604                         if (cbi_d[i].id == obj.id) {
 605                                 entry = cbi_d[i];
 606                                 break;
 607                         }
 608                 }
 609                 if (!entry) {
 610                         entry = {
 611                                 "node": obj,
 612                                 "id": obj.id,
 613                                 "parent": obj.parentNode.id,
 614                                 "deps": [],
 615                                 "index": index
 616                         };
 617                         cbi_d.unshift(entry);
 618                 }
 619                 entry.deps.push(dep)
 620         }
 621 }
 622
 623 function cbi_d_checkvalue(target, ref) {
 624         var value = null,
 625             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 626                     'select[id="'+target+'"], select[name="'+target+'"]';
 627
 628         document.querySelectorAll(query).forEach(function(i) {
 629                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 630                         value = i.value;
 631         });
 632
 633         return (((value !== null) ? value : "") == ref);
 634 }
 635
 636 function cbi_d_check(deps) {
 637         var reverse;
 638         var def = false;
 639         for (var i=0; i<deps.length; i++) {
 640                 var istat = true;
 641                 reverse = false;
 642                 for (var j in deps[i]) {
 643                         if (j == "!reverse") {
 644                                 reverse = true;
 645                         } else if (j == "!default") {
 646                                 def = true;
 647                                 istat = false;
 648                         } else {
 649                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 650                         }
 651                 }
 652
 653                 if (istat ^ reverse) {
 654                         return true;
 655                 }
 656         }
 657         return def;
 658 }
 659
 660 function cbi_d_update() {
 661         var state = false;
 662         for (var i=0; i<cbi_d.length; i++) {
 663                 var entry = cbi_d[i];
 664                 var node  = document.getElementById(entry.id);
 665                 var parent = document.getElementById(entry.parent);
 666
 667                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 668                         node.parentNode.removeChild(node);
 669                         state = true;
 670                 }
 671                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 672                         var next = undefined;
 673
 674                         for (next = parent.firstChild; next; next = next.nextSibling) {
 675                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 676                                         break;
 677                         }
 678
 679                         if (!next)
 680                                 parent.appendChild(entry.node);
 681                         else
 682                                 parent.insertBefore(entry.node, next);
 683
 684                         state = true;
 685                 }
 686
 687                 // hide optionals widget if no choices remaining
 688                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 689                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 690         }
 691
 692         if (entry && entry.parent) {
 693                 if (!cbi_t_update())
 694                         cbi_tag_last(parent);
 695         }
 696
 697         if (state)
 698                 cbi_d_update();
 699 }
 700
 701 function cbi_init() {
 702         var nodes;
 703
 704         nodes = document.querySelectorAll('[data-strings]');
 705
 706         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 707                 var str = JSON.parse(node.getAttribute('data-strings'));
 708                 for (var key in str) {
 709                         for (var key2 in str[key]) {
 710                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 711                                     dst[key2] = str[key][key2];
 712                         }
 713                 }
 714         }
 715
 716         nodes = document.querySelectorAll('[data-depends]');
 717
 718         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 719                 var index = parseInt(node.getAttribute('data-index'), 10);
 720                 var depends = JSON.parse(node.getAttribute('data-depends'));
 721                 if (!isNaN(index) && depends.length > 0) {
 722                         for (var alt = 0; alt < depends.length; alt++)
 723                                 cbi_d_add(node, depends[alt], index);
 724                 }
 725         }
 726
 727         nodes = document.querySelectorAll('[data-update]');
 728
 729         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 730                 var events = node.getAttribute('data-update').split(' ');
 731                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 732                         node.addEventListener(event, cbi_d_update);
 733         }
 734
 735         nodes = document.querySelectorAll('[data-choices]');
 736
 737         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 738                 var choices = JSON.parse(node.getAttribute('data-choices'));
 739                 var options = {};
 740
 741                 for (var j = 0; j < choices[0].length; j++)
 742                         options[choices[0][j]] = choices[1][j];
 743
 744                 var def = (node.getAttribute('data-optional') === 'true')
 745                         ? node.placeholder || '' : null;
 746
 747                 cbi_combobox_init(node, options, def,
 748                                   node.getAttribute('data-manual'));
 749         }
 750
 751         nodes = document.querySelectorAll('[data-dynlist]');
 752
 753         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 754                 var choices = JSON.parse(node.getAttribute('data-dynlist'));
 755                 var options = null;
 756
 757                 if (choices[0] && choices[0].length) {
 758                         options = {};
 759
 760                         for (var j = 0; j < choices[0].length; j++)
 761                                 options[choices[0][j]] = choices[1][j];
 762                 }
 763
 764                 cbi_dynlist_init(node, choices[2], choices[3], options);
 765         }
 766
 767         nodes = document.querySelectorAll('[data-type]');
 768
 769         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 770                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 771                                    node.getAttribute('data-type'));
 772         }
 773
 774         document.querySelectorAll('.cbi-dropdown').forEach(function(s) {
 775                 cbi_dropdown_init(s);
 776         });
 777
 778         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 779                 s.parentNode.classList.add('cbi-tooltip-container');
 780         });
 781
 782         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 783                 var handler = function(ev) {
 784                         var bits = this.name.split(/\./),
 785                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 786
 787                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 788                 };
 789
 790                 i.addEventListener('mouseover', handler);
 791                 i.addEventListener('mouseout', handler);
 792         });
 793
 794         cbi_d_update();
 795 }
 796
 797 function cbi_combobox(id, values, def, man, focus) {
 798         var selid = "cbi.combobox." + id;
 799         if (document.getElementById(selid)) {
 800                 return
 801         }
 802
 803         var obj = document.getElementById(id)
 804         var sel = document.createElement("select");
 805                 sel.id = selid;
 806                 sel.index = obj.index;
 807                 sel.classList.remove('cbi-input-text');
 808                 sel.classList.add('cbi-input-select');
 809
 810         if (obj.nextSibling)
 811                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 812         else
 813                 obj.parentNode.appendChild(sel);
 814
 815         var dt = obj.getAttribute('cbi_datatype');
 816         var op = obj.getAttribute('cbi_optional');
 817
 818         if (!values[obj.value]) {
 819                 if (obj.value == "") {
 820                         var optdef = document.createElement("option");
 821                         optdef.value = "";
 822                         optdef.appendChild(document.createTextNode(typeof(def) === 'string' ? def : _('-- Please choose --')));
 823                         sel.appendChild(optdef);
 824                 }
 825                 else {
 826                         var opt = document.createElement("option");
 827                         opt.value = obj.value;
 828                         opt.selected = "selected";
 829                         opt.appendChild(document.createTextNode(obj.value));
 830                         sel.appendChild(opt);
 831                 }
 832         }
 833
 834         for (var i in values) {
 835                 var opt = document.createElement("option");
 836                 opt.value = i;
 837
 838                 if (obj.value == i)
 839                         opt.selected = "selected";
 840
 841                 opt.appendChild(document.createTextNode(values[i]));
 842                 sel.appendChild(opt);
 843         }
 844
 845         var optman = document.createElement("option");
 846         optman.value = "";
 847         optman.appendChild(document.createTextNode(typeof(man) === 'string' ? man : _('-- custom --')));
 848         sel.appendChild(optman);
 849
 850         obj.style.display = "none";
 851
 852         if (dt)
 853                 cbi_validate_field(sel, op == 'true', dt);
 854
 855         sel.addEventListener("change", function() {
 856                 if (sel.selectedIndex == sel.options.length - 1) {
 857                         obj.style.display = "inline";
 858                         sel.blur();
 859                         sel.parentNode.removeChild(sel);
 860                         obj.focus();
 861                 }
 862                 else {
 863                         obj.value = sel.options[sel.selectedIndex].value;
 864                 }
 865
 866                 try {
 867                         cbi_d_update();
 868                 } catch (e) {
 869                         //Do nothing
 870                 }
 871         })
 872
 873         // Retrigger validation in select
 874         if (focus) {
 875                 sel.focus();
 876                 sel.blur();
 877         }
 878 }
 879
 880 function cbi_combobox_init(id, values, def, man) {
 881         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 882         obj.addEventListener("blur", function() {
 883                 cbi_combobox(obj.id, values, def, man, true);
 884         });
 885         cbi_combobox(obj.id, values, def, man, false);
 886 }
 887
 888 function cbi_filebrowser(id, defpath) {
 889         var field   = document.getElementById(id);
 890         var browser = window.open(
 891                 cbi_strings.path.browser + ( field.value || defpath || '' ) + '?field=' + id,
 892                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 893         );
 894
 895         browser.focus();
 896 }
 897
 898 function cbi_browser_init(id, resource, defpath)
 899 {
 900         function cbi_browser_btnclick(e) {
 901                 cbi_filebrowser(id, defpath);
 902                 return false;
 903         }
 904
 905         var field = document.getElementById(id);
 906
 907         var btn = document.createElement('img');
 908         btn.className = 'cbi-image-button';
 909         btn.src = (resource || cbi_strings.path.resource) + '/cbi/folder.gif';
 910         field.parentNode.insertBefore(btn, field.nextSibling);
 911
 912         btn.addEventListener('click', cbi_browser_btnclick);
 913 }
 914
 915 function cbi_dynlist_init(parent, datatype, optional, choices)
 916 {
 917         var prefix = parent.getAttribute('data-prefix');
 918         var holder = parent.getAttribute('data-placeholder');
 919
 920         var values;
 921
 922         function cbi_dynlist_redraw(focus, add, del)
 923         {
 924                 values = [ ];
 925
 926                 while (parent.firstChild) {
 927                         var n = parent.firstChild;
 928                         var i = +n.index;
 929
 930                         if (i != del) {
 931                                 if (matchesElem(n, 'input'))
 932                                         values.push(n.value || '');
 933                                 else if (matchesElem(n, 'select'))
 934                                         values[values.length-1] = n.options[n.selectedIndex].value;
 935                         }
 936
 937                         parent.removeChild(n);
 938                 }
 939
 940                 if (add >= 0) {
 941                         focus = add+1;
 942                         values.splice(focus, 0, '');
 943                 }
 944                 else if (values.length == 0) {
 945                         focus = 0;
 946                         values.push('');
 947                 }
 948
 949                 for (var i = 0; i < values.length; i++) {
 950                         var t = document.createElement('input');
 951                                 t.id = prefix + '.' + (i+1);
 952                                 t.name = prefix;
 953                                 t.value = values[i];
 954                                 t.type = 'text';
 955                                 t.index = i;
 956                                 t.className = 'cbi-input-text';
 957
 958                         if (i == 0 && holder)
 959                                 t.placeholder = holder;
 960
 961                         var b = E('div', {
 962                                 class: 'cbi-button cbi-button-' + ((i+1) < values.length ? 'remove' : 'add')
 963                         }, (i+1) < values.length ? '×' : '+');
 964
 965                         parent.appendChild(t);
 966                         parent.appendChild(b);
 967
 968                         if (datatype == 'file')
 969                                 cbi_browser_init(t.id, null, parent.getAttribute('data-browser-path'));
 970
 971                         parent.appendChild(document.createElement('br'));
 972
 973                         if (datatype)
 974                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 975
 976                         if (choices) {
 977                                 cbi_combobox_init(t.id, choices, '', _('-- custom --'));
 978                                 b.index = i;
 979
 980                                 b.addEventListener('keydown',  cbi_dynlist_keydown);
 981                                 b.addEventListener('keypress', cbi_dynlist_keypress);
 982
 983                                 if (i == focus || -i == focus)
 984                                         b.focus();
 985                         }
 986                         else {
 987                                 t.addEventListener('keydown',  cbi_dynlist_keydown);
 988                                 t.addEventListener('keypress', cbi_dynlist_keypress);
 989
 990                                 if (i == focus) {
 991                                         t.focus();
 992                                 }
 993                                 else if (-i == focus) {
 994                                         t.focus();
 995
 996                                         /* force cursor to end */
 997                                         var v = t.value;
 998                                         t.value = ' '
 999                                         t.value = v;
1000                                 }
1001                         }
1002
1003                         b.addEventListener('click', cbi_dynlist_btnclick);
1004                 }
1005         }
1006
1007         function cbi_dynlist_keypress(ev)
1008         {
1009                 ev = ev ? ev : window.event;
1010
1011                 var se = ev.target ? ev.target : ev.srcElement;
1012
1013                 if (se.nodeType == 3)
1014                         se = se.parentNode;
1015
1016                 switch (ev.keyCode) {
1017                         /* backspace, delete */
1018                         case 8:
1019                         case 46:
1020                                 if (se.value.length == 0) {
1021                                         if (ev.preventDefault)
1022                                                 ev.preventDefault();
1023
1024                                         return false;
1025                                 }
1026
1027                                 return true;
1028
1029                         /* enter, arrow up, arrow down */
1030                         case 13:
1031                         case 38:
1032                         case 40:
1033                                 if (ev.preventDefault)
1034                                         ev.preventDefault();
1035
1036                                 return false;
1037                 }
1038
1039                 return true;
1040         }
1041
1042         function cbi_dynlist_keydown(ev)
1043         {
1044                 ev = ev ? ev : window.event;
1045
1046                 var se = ev.target ? ev.target : ev.srcElement;
1047
1048                 if (se.nodeType == 3)
1049                         se = se.parentNode;
1050
1051                 var prev = se.previousSibling;
1052                 while (prev && prev.name != prefix)
1053                         prev = prev.previousSibling;
1054
1055                 var next = se.nextSibling;
1056                 while (next && next.name != prefix)
1057                         next = next.nextSibling;
1058
1059                 /* advance one further in combobox case */
1060                 if (next && next.nextSibling.name == prefix)
1061                         next = next.nextSibling;
1062
1063                 switch (ev.keyCode) {
1064                         /* backspace, delete */
1065                         case 8:
1066                         case 46:
1067                                 var del = (matchesElem(se, 'select'))
1068                                         ? true : (se.value.length == 0);
1069
1070                                 if (del) {
1071                                         if (ev.preventDefault)
1072                                                 ev.preventDefault();
1073
1074                                         var focus = se.index;
1075                                         if (ev.keyCode == 8)
1076                                                 focus = -focus+1;
1077
1078                                         cbi_dynlist_redraw(focus, -1, se.index);
1079
1080                                         return false;
1081                                 }
1082
1083                                 break;
1084
1085                         /* enter */
1086                         case 13:
1087                                 cbi_dynlist_redraw(-1, se.index, -1);
1088                                 break;
1089
1090                         /* arrow up */
1091                         case 38:
1092                                 if (prev)
1093                                         prev.focus();
1094
1095                                 break;
1096
1097                         /* arrow down */
1098                         case 40:
1099                                 if (next)
1100                                         next.focus();
1101
1102                                 break;
1103                 }
1104
1105                 return true;
1106         }
1107
1108         function cbi_dynlist_btnclick(ev)
1109         {
1110                 ev = ev ? ev : window.event;
1111
1112                 var se = ev.target ? ev.target : ev.srcElement;
1113                 var input = se.previousSibling;
1114                 while (input && input.name != prefix)
1115                         input = input.previousSibling;
1116
1117                 if (se.classList.contains('cbi-button-remove')) {
1118                         input.value = '';
1119
1120                         cbi_dynlist_keydown({
1121                                 target:  input,
1122                                 keyCode: 8
1123                         });
1124                 }
1125                 else {
1126                         cbi_dynlist_keydown({
1127                                 target:  input,
1128                                 keyCode: 13
1129                         });
1130                 }
1131
1132                 return false;
1133         }
1134
1135         cbi_dynlist_redraw(NaN, -1, -1);
1136 }
1137
1138
1139 function cbi_t_add(section, tab) {
1140         var t = document.getElementById('tab.' + section + '.' + tab);
1141         var c = document.getElementById('container.' + section + '.' + tab);
1142
1143         if (t && c) {
1144                 cbi_t[section] = (cbi_t[section] || [ ]);
1145                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
1146         }
1147 }
1148
1149 function cbi_t_switch(section, tab) {
1150         if (cbi_t[section] && cbi_t[section][tab]) {
1151                 var o = cbi_t[section][tab];
1152                 var h = document.getElementById('tab.' + section);
1153
1154                 for (var tid in cbi_t[section]) {
1155                         var o2 = cbi_t[section][tid];
1156
1157                         if (o.tab.id != o2.tab.id) {
1158                                 o2.tab.classList.remove('cbi-tab');
1159                                 o2.tab.classList.add('cbi-tab-disabled');
1160                                 o2.container.style.display = 'none';
1161                         }
1162                         else {
1163                                 if(h)
1164                                         h.value = tab;
1165
1166                                 o2.tab.classList.remove('cbi-tab-disabled');
1167                                 o2.tab.classList.add('cbi-tab');
1168                                 o2.container.style.display = 'block';
1169                         }
1170                 }
1171         }
1172
1173         return false;
1174 }
1175
1176 function cbi_t_update() {
1177         var hl_tabs = [ ];
1178         var updated = false;
1179
1180         for (var sid in cbi_t)
1181                 for (var tid in cbi_t[sid]) {
1182                         var t = cbi_t[sid][tid].tab;
1183                         var c = cbi_t[sid][tid].container;
1184
1185                         if (!c.firstElementChild) {
1186                                 t.style.display = 'none';
1187                         }
1188                         else if (t.style.display == 'none') {
1189                                 t.style.display = '';
1190                                 t.classList.add('cbi-tab-highlighted');
1191                                 hl_tabs.push(t);
1192                         }
1193
1194                         cbi_tag_last(c);
1195                         updated = true;
1196                 }
1197
1198         if (hl_tabs.length > 0)
1199                 window.setTimeout(function() {
1200                         for (var i = 0; i < hl_tabs.length; i++)
1201                                 hl_tabs[i].classList.remove('cbi-tab-highlighted');
1202                 }, 750);
1203
1204         return updated;
1205 }
1206
1207
1208 function cbi_validate_form(form, errmsg)
1209 {
1210         /* if triggered by a section removal or addition, don't validate */
1211         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
1212                 return true;
1213
1214         if (form.cbi_validators) {
1215                 for (var i = 0; i < form.cbi_validators.length; i++) {
1216                         var validator = form.cbi_validators[i];
1217
1218                         if (!validator() && errmsg) {
1219                                 alert(errmsg);
1220                                 return false;
1221                         }
1222                 }
1223         }
1224
1225         return true;
1226 }
1227
1228 function cbi_validate_reset(form)
1229 {
1230         window.setTimeout(
1231                 function() { cbi_validate_form(form, null) }, 100
1232         );
1233
1234         return true;
1235 }
1236
1237 function cbi_validate_field(cbid, optional, type)
1238 {
1239         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
1240         var validatorFn;
1241
1242         try {
1243                 var cbiValidator = new CBIValidator(field, type, optional);
1244
1245                 validatorFn = function() {
1246                         return cbiValidator.validate();
1247                 };
1248         }
1249         catch(e) {
1250                 validatorFn = null;
1251         };
1252
1253         if (validatorFn !== null) {
1254                 if (!field.form.cbi_validators)
1255                         field.form.cbi_validators = [ ];
1256
1257                 field.form.cbi_validators.push(validatorFn);
1258
1259                 field.addEventListener("blur",  validatorFn);
1260                 field.addEventListener("keyup", validatorFn);
1261
1262                 if (matchesElem(field, 'select')) {
1263                         field.addEventListener("change", validatorFn);
1264                         field.addEventListener("click",  validatorFn);
1265                 }
1266
1267                 field.setAttribute("cbi_validate", validatorFn);
1268                 field.setAttribute("cbi_datatype", type);
1269                 field.setAttribute("cbi_optional", (!!optional).toString());
1270
1271                 validatorFn();
1272
1273                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1274                 if (fcbox)
1275                         cbi_validate_field(fcbox, optional, type);
1276         }
1277 }
1278
1279 function cbi_row_swap(elem, up, store)
1280 {
1281         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
1282
1283         if (!tr)
1284                 return false;
1285
1286         tr.classList.remove('flash');
1287
1288         if (up) {
1289                 var prev = tr.previousElementSibling;
1290
1291                 if (prev && prev.classList.contains('cbi-section-table-row'))
1292                         tr.parentNode.insertBefore(tr, prev);
1293                 else
1294                         return;
1295         }
1296         else {
1297                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
1298
1299                 if (next && next.classList.contains('cbi-section-table-row'))
1300                         tr.parentNode.insertBefore(tr, next);
1301                 else if (!next)
1302                         tr.parentNode.appendChild(tr);
1303                 else
1304                         return;
1305         }
1306
1307         var ids = [ ];
1308
1309         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
1310                 var node = tr.parentNode.childNodes[i];
1311                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
1312                         node.classList.remove('cbi-rowstyle-1');
1313                         node.classList.remove('cbi-rowstyle-2');
1314                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
1315
1316                         if (/-([^\-]+)$/.test(node.id))
1317                                 ids.push(RegExp.$1);
1318                 }
1319         }
1320
1321         var input = document.getElementById(store);
1322         if (input)
1323                 input.value = ids.join(' ');
1324
1325         window.scrollTo(0, tr.offsetTop);
1326         void tr.offsetWidth;
1327         tr.classList.add('flash');
1328
1329         return false;
1330 }
1331
1332 function cbi_tag_last(container)
1333 {
1334         var last;
1335
1336         for (var i = 0; i < container.childNodes.length; i++) {
1337                 var c = container.childNodes[i];
1338                 if (matchesElem(c, 'div')) {
1339                         c.classList.remove('cbi-value-last');
1340                         last = c;
1341                 }
1342         }
1343
1344         if (last)
1345                 last.classList.add('cbi-value-last');
1346 }
1347
1348 function cbi_submit(elem, name, value, action)
1349 {
1350         var form = elem.form || findParent(elem, 'form');
1351
1352         if (!form)
1353                 return false;
1354
1355         if (action)
1356                 form.action = action;
1357
1358         if (name) {
1359                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
1360                         E('input', { type: 'hidden', name: name });
1361
1362                 hidden.value = value || '1';
1363                 form.appendChild(hidden);
1364         }
1365
1366         form.submit();
1367         return true;
1368 }
1369
1370 String.prototype.format = function()
1371 {
1372         if (!RegExp)
1373                 return;
1374
1375         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1376         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1377
1378         function esc(s, r) {
1379                 if (typeof(s) !== 'string' && !(s instanceof String))
1380                         return '';
1381
1382                 for (var i = 0; i < r.length; i += 2)
1383                         s = s.replace(r[i], r[i+1]);
1384
1385                 return s;
1386         }
1387
1388         var str = this;
1389         var out = '';
1390         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1391         var a = b = [], numSubstitutions = 0, numMatches = 0;
1392
1393         while (a = re.exec(str)) {
1394                 var m = a[1];
1395                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1396                 var pPrecision = a[6], pType = a[7];
1397
1398                 numMatches++;
1399
1400                 if (pType == '%') {
1401                         subst = '%';
1402                 }
1403                 else {
1404                         if (numSubstitutions < arguments.length) {
1405                                 var param = arguments[numSubstitutions++];
1406
1407                                 var pad = '';
1408                                 if (pPad && pPad.substr(0,1) == "'")
1409                                         pad = leftpart.substr(1,1);
1410                                 else if (pPad)
1411                                         pad = pPad;
1412                                 else
1413                                         pad = ' ';
1414
1415                                 var justifyRight = true;
1416                                 if (pJustify && pJustify === "-")
1417                                         justifyRight = false;
1418
1419                                 var minLength = -1;
1420                                 if (pMinLength)
1421                                         minLength = +pMinLength;
1422
1423                                 var precision = -1;
1424                                 if (pPrecision && pType == 'f')
1425                                         precision = +pPrecision.substring(1);
1426
1427                                 var subst = param;
1428
1429                                 switch(pType) {
1430                                         case 'b':
1431                                                 subst = (+param || 0).toString(2);
1432                                                 break;
1433
1434                                         case 'c':
1435                                                 subst = String.fromCharCode(+param || 0);
1436                                                 break;
1437
1438                                         case 'd':
1439                                                 subst = ~~(+param || 0);
1440                                                 break;
1441
1442                                         case 'u':
1443                                                 subst = ~~Math.abs(+param || 0);
1444                                                 break;
1445
1446                                         case 'f':
1447                                                 subst = (precision > -1)
1448                                                         ? ((+param || 0.0)).toFixed(precision)
1449                                                         : (+param || 0.0);
1450                                                 break;
1451
1452                                         case 'o':
1453                                                 subst = (+param || 0).toString(8);
1454                                                 break;
1455
1456                                         case 's':
1457                                                 subst = param;
1458                                                 break;
1459
1460                                         case 'x':
1461                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1462                                                 break;
1463
1464                                         case 'X':
1465                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1466                                                 break;
1467
1468                                         case 'h':
1469                                                 subst = esc(param, html_esc);
1470                                                 break;
1471
1472                                         case 'q':
1473                                                 subst = esc(param, quot_esc);
1474                                                 break;
1475
1476                                         case 't':
1477                                                 var td = 0;
1478                                                 var th = 0;
1479                                                 var tm = 0;
1480                                                 var ts = (param || 0);
1481
1482                                                 if (ts > 60) {
1483                                                         tm = Math.floor(ts / 60);
1484                                                         ts = (ts % 60);
1485                                                 }
1486
1487                                                 if (tm > 60) {
1488                                                         th = Math.floor(tm / 60);
1489                                                         tm = (tm % 60);
1490                                                 }
1491
1492                                                 if (th > 24) {
1493                                                         td = Math.floor(th / 24);
1494                                                         th = (th % 24);
1495                                                 }
1496
1497                                                 subst = (td > 0)
1498                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1499                                                         : String.format('%dh %dm %ds', th, tm, ts);
1500
1501                                                 break;
1502
1503                                         case 'm':
1504                                                 var mf = pMinLength ? +pMinLength : 1000;
1505                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1506
1507                                                 var i = 0;
1508                                                 var val = (+param || 0);
1509                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1510
1511                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1512                                                         val /= mf;
1513
1514                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1515                                                 pMinLength = null;
1516                                                 break;
1517                                 }
1518                         }
1519                 }
1520
1521                 if (pMinLength) {
1522                         subst = subst.toString();
1523                         for (var i = subst.length; i < pMinLength; i++)
1524                                 if (pJustify == '-')
1525                                         subst = subst + ' ';
1526                                 else
1527                                         subst = pad + subst;
1528                 }
1529
1530                 out += leftpart + subst;
1531                 str = str.substr(m.length);
1532         }
1533
1534         return out + str;
1535 }
1536
1537 String.prototype.nobr = function()
1538 {
1539         return this.replace(/[\s\n]+/g, '&#160;');
1540 }
1541
1542 String.format = function()
1543 {
1544         var a = [ ];
1545
1546         for (var i = 1; i < arguments.length; i++)
1547                 a.push(arguments[i]);
1548
1549         return ''.format.apply(arguments[0], a);
1550 }
1551
1552 String.nobr = function()
1553 {
1554         var a = [ ];
1555
1556         for (var i = 1; i < arguments.length; i++)
1557                 a.push(arguments[i]);
1558
1559         return ''.nobr.apply(arguments[0], a);
1560 }
1561
1562 if (window.NodeList && !NodeList.prototype.forEach) {
1563         NodeList.prototype.forEach = function (callback, thisArg) {
1564                 thisArg = thisArg || window;
1565                 for (var i = 0; i < this.length; i++) {
1566                         callback.call(thisArg, this[i], i, this);
1567                 }
1568         };
1569 }
1570
1571
1572 var dummyElem, domParser;
1573
1574 function isElem(e)
1575 {
1576         return (typeof(e) === 'object' && e !== null && 'nodeType' in e);
1577 }
1578
1579 function toElem(s)
1580 {
1581         var elem;
1582
1583         try {
1584                 domParser = domParser || new DOMParser();
1585                 elem = domParser.parseFromString(s, 'text/html').body.firstChild;
1586         }
1587         catch(e) {}
1588
1589         if (!elem) {
1590                 try {
1591                         dummyElem = dummyElem || document.createElement('div');
1592                         dummyElem.innerHTML = s;
1593                         elem = dummyElem.firstChild;
1594                 }
1595                 catch (e) {}
1596         }
1597
1598         return elem || null;
1599 }
1600
1601 function matchesElem(node, selector)
1602 {
1603         return ((node.matches && node.matches(selector)) ||
1604                 (node.msMatchesSelector && node.msMatchesSelector(selector)));
1605 }
1606
1607 function findParent(node, selector)
1608 {
1609         if (node.closest)
1610                 return node.closest(selector);
1611
1612         while (node)
1613                 if (matchesElem(node, selector))
1614                         return node;
1615                 else
1616                         node = node.parentNode;
1617
1618         return null;
1619 }
1620
1621 function E()
1622 {
1623         var html = arguments[0],
1624             attr = (arguments[1] instanceof Object && !Array.isArray(arguments[1])) ? arguments[1] : null,
1625             data = attr ? arguments[2] : arguments[1],
1626             elem;
1627
1628         if (isElem(html))
1629                 elem = html;
1630         else if (html.charCodeAt(0) === 60)
1631                 elem = toElem(html);
1632         else
1633                 elem = document.createElement(html);
1634
1635         if (!elem)
1636                 return null;
1637
1638         if (attr)
1639                 for (var key in attr)
1640                         if (attr.hasOwnProperty(key) && attr[key] !== null && attr[key] !== undefined)
1641                                 elem.setAttribute(key, attr[key]);
1642
1643         if (typeof(data) === 'function')
1644                 data = data(elem);
1645
1646         if (isElem(data)) {
1647                 elem.appendChild(data);
1648         }
1649         else if (Array.isArray(data)) {
1650                 for (var i = 0; i < data.length; i++)
1651                         if (isElem(data[i]))
1652                                 elem.appendChild(data[i]);
1653                         else
1654                                 elem.appendChild(document.createTextNode('' + data[i]));
1655         }
1656         else if (data !== null && data !== undefined) {
1657                 elem.innerHTML = '' + data;
1658         }
1659
1660         return elem;
1661 }
1662
1663 if (typeof(window.CustomEvent) !== 'function') {
1664         function CustomEvent(event, params) {
1665                 params = params || { bubbles: false, cancelable: false, detail: undefined };
1666                 var evt = document.createEvent('CustomEvent');
1667                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
1668                 return evt;
1669         }
1670
1671         CustomEvent.prototype = window.Event.prototype;
1672         window.CustomEvent = CustomEvent;
1673 }
1674
1675 CBIDropdown = {
1676         openDropdown: function(sb) {
1677                 var st = window.getComputedStyle(sb, null),
1678                     ul = sb.querySelector('ul'),
1679                     li = ul.querySelectorAll('li'),
1680                     sel = ul.querySelector('[selected]'),
1681                     rect = sb.getBoundingClientRect(),
1682                     h = sb.clientHeight - parseFloat(st.paddingTop) - parseFloat(st.paddingBottom),
1683                     mh = this.dropdown_items * h,
1684                     eh = Math.min(mh, li.length * h);
1685
1686                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1687                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1688                 });
1689
1690                 sb.setAttribute('open', '');
1691
1692                 if ('ontouchstart' in window) {
1693                         var scroll = document.documentElement.scrollTop,
1694                             vpWidth = Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
1695                             vpHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
1696
1697                         ul.style.top = h + 'px';
1698                         ul.style.left = -rect.left + 'px';
1699                         ul.style.right = (rect.right - vpWidth) + 'px';
1700
1701                         window.scrollTo(0, (scroll + rect.top - vpHeight * 0.6));
1702                 }
1703                 else {
1704                         ul.style.maxHeight = mh + 'px';
1705                         ul.scrollTop = sel ? Math.max(sel.offsetTop - sel.offsetHeight, 0) : 0;
1706                         ul.style.top = ul.style.bottom = '';
1707                         ul.style[((rect.top + rect.height + eh) > window.innerHeight) ? 'bottom' : 'top'] = rect.height + 'px';
1708                 }
1709
1710                 ul.querySelectorAll('[selected] input[type="checkbox"]').forEach(function(c) {
1711                         c.checked = true;
1712                 });
1713
1714                 ul.classList.add('dropdown');
1715
1716                 var pv = ul.cloneNode(true);
1717                     pv.classList.remove('dropdown');
1718                     pv.classList.add('preview');
1719
1720                 sb.insertBefore(pv, ul.nextElementSibling);
1721
1722                 li.forEach(function(l) {
1723                         l.setAttribute('tabindex', 0);
1724                 });
1725
1726                 sb.lastElementChild.setAttribute('tabindex', 0);
1727
1728                 this.setFocus(sb, sel || li[0], true);
1729         },
1730
1731         closeDropdown: function(sb, no_focus) {
1732                 if (!sb.hasAttribute('open'))
1733                         return;
1734
1735                 var pv = sb.querySelector('ul.preview'),
1736                     ul = sb.querySelector('ul.dropdown'),
1737                     li = ul.querySelectorAll('li');
1738
1739                 li.forEach(function(l) { l.removeAttribute('tabindex'); });
1740                 sb.lastElementChild.removeAttribute('tabindex');
1741
1742                 sb.removeChild(pv);
1743                 sb.removeAttribute('open');
1744                 sb.style.width = sb.style.height = '';
1745
1746                 ul.classList.remove('dropdown');
1747
1748                 if (!no_focus)
1749                         this.setFocus(sb, sb);
1750
1751                 this.saveValues(sb, ul);
1752         },
1753
1754         toggleItem: function(sb, li, force_state) {
1755                 if (li.hasAttribute('unselectable'))
1756                         return;
1757
1758                 if (this.multi) {
1759                         var cbox = li.querySelector('input[type="checkbox"]'),
1760                             items = li.parentNode.querySelectorAll('li'),
1761                             label = sb.querySelector('ul.preview'),
1762                             sel = li.parentNode.querySelectorAll('[selected]').length,
1763                             more = sb.querySelector('.more'),
1764                             ndisplay = this.display_items,
1765                             n = 0;
1766
1767                         if (li.hasAttribute('selected')) {
1768                                 if (force_state !== true) {
1769                                         if (sel > 1 || this.optional) {
1770                                                 li.removeAttribute('selected');
1771                                                 cbox.checked = cbox.disabled = false;
1772                                                 sel--;
1773                                         }
1774                                         else {
1775                                                 cbox.disabled = true;
1776                                         }
1777                                 }
1778                         }
1779                         else {
1780                                 if (force_state !== false) {
1781                                         li.setAttribute('selected', '');
1782                                         cbox.checked = true;
1783                                         cbox.disabled = false;
1784                                         sel++;
1785                                 }
1786                         }
1787
1788                         while (label.firstElementChild)
1789                                 label.removeChild(label.firstElementChild);
1790
1791                         for (var i = 0; i < items.length; i++) {
1792                                 items[i].removeAttribute('display');
1793                                 if (items[i].hasAttribute('selected')) {
1794                                         if (ndisplay-- > 0) {
1795                                                 items[i].setAttribute('display', n++);
1796                                                 label.appendChild(items[i].cloneNode(true));
1797                                         }
1798                                         var c = items[i].querySelector('input[type="checkbox"]');
1799                                         if (c)
1800                                                 c.disabled = (sel == 1 && !this.optional);
1801                                 }
1802                         }
1803
1804                         if (ndisplay < 0)
1805                                 sb.setAttribute('more', '');
1806                         else
1807                                 sb.removeAttribute('more');
1808
1809                         if (ndisplay === this.display_items)
1810                                 sb.setAttribute('empty', '');
1811                         else
1812                                 sb.removeAttribute('empty');
1813
1814                         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
1815                 }
1816                 else {
1817                         var sel = li.parentNode.querySelector('[selected]');
1818                         if (sel) {
1819                                 sel.removeAttribute('display');
1820                                 sel.removeAttribute('selected');
1821                         }
1822
1823                         li.setAttribute('display', 0);
1824                         li.setAttribute('selected', '');
1825
1826                         this.closeDropdown(sb, true);
1827                 }
1828
1829                 this.saveValues(sb, li.parentNode);
1830         },
1831
1832         transformItem: function(sb, li) {
1833                 var cbox = E('form', {}, E('input', { type: 'checkbox', tabindex: -1, onclick: 'event.preventDefault()' })),
1834                     label = E('label');
1835
1836                 while (li.firstChild)
1837                         label.appendChild(li.firstChild);
1838
1839                 li.appendChild(cbox);
1840                 li.appendChild(label);
1841         },
1842
1843         saveValues: function(sb, ul) {
1844                 var sel = ul.querySelectorAll('li[selected]'),
1845                     div = sb.lastElementChild,
1846                     values = [];
1847
1848                 while (div.lastElementChild)
1849                         div.removeChild(div.lastElementChild);
1850
1851                 sel.forEach(function (s) {
1852                         if (s.hasAttribute('placeholder'))
1853                                 return;
1854
1855                         div.appendChild(E('input', {
1856                                 type: 'hidden',
1857                                 name: s.hasAttribute('name') ? s.getAttribute('name') : (sb.getAttribute('name') || ''),
1858                                 value: s.hasAttribute('data-value') ? s.getAttribute('data-value') : s.innerText
1859                         }));
1860
1861                         values.push({
1862                                 text: s.innerText,
1863                                 value: s.hasAttribute('data-value') ? s.getAttribute('data-value') : s.innerText,
1864                                 element: s
1865                         });
1866                 });
1867
1868                 var detail = {
1869                         instance: this,
1870                         element: sb
1871                 };
1872
1873                 if (this.mult)
1874                         detail.values = values;
1875                 else
1876                         detail.value = values.length ? values[0] : null;
1877
1878                 sb.dispatchEvent(new CustomEvent('cbi-dropdown-change', {
1879                         bubbles: true,
1880                         detail: detail
1881                 }));
1882
1883                 cbi_d_update();
1884         },
1885
1886         setValues: function(sb, values) {
1887                 var ul = sb.querySelector('ul');
1888
1889                 if (this.multi) {
1890                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1891                                 if (values === null || !(li.getAttribute('data-value') in values))
1892                                         this.toggleItem(sb, li, false);
1893                                 else
1894                                         this.toggleItem(sb, li, true);
1895                         });
1896                 }
1897                 else {
1898                         var ph = ul.querySelector('li[placeholder]');
1899                         if (ph)
1900                                 this.toggleItem(sb, ph);
1901
1902                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1903                                 if (values !== null && (li.getAttribute('data-value') in values))
1904                                         this.toggleItem(sb, li);
1905                         });
1906                 }
1907         },
1908
1909         setFocus: function(sb, elem, scroll) {
1910                 if (sb && sb.hasAttribute && sb.hasAttribute('locked-in'))
1911                         return;
1912
1913                 if (sb.target && findParent(sb.target, 'ul.dropdown'))
1914                         return;
1915
1916                 document.querySelectorAll('.focus').forEach(function(e) {
1917                         if (!matchesElem(e, 'input')) {
1918                                 e.classList.remove('focus');
1919                                 e.blur();
1920                         }
1921                 });
1922
1923                 if (elem) {
1924                         elem.focus();
1925                         elem.classList.add('focus');
1926
1927                         if (scroll)
1928                                 elem.parentNode.scrollTop = elem.offsetTop - elem.parentNode.offsetTop;
1929                 }
1930         },
1931
1932         createItems: function(sb, value) {
1933                 var sbox = this,
1934                     val = (value || '').trim().split(/\s+/),
1935                     ul = sb.querySelector('ul');
1936
1937                 if (!sbox.multi)
1938                         val.length = Math.min(val.length, 1);
1939
1940                 if (val.length === 1 && val[0].length === 0)
1941                         val.length = 0;
1942
1943                 val.forEach(function(item) {
1944                         var new_item = null;
1945
1946                         ul.childNodes.forEach(function(li) {
1947                                 if (li.getAttribute && li.getAttribute('data-value') === item)
1948                                         new_item = li;
1949                         });
1950
1951                         if (!new_item) {
1952                                 var markup,
1953                                     tpl = sb.querySelector(sbox.template);
1954
1955                                 if (tpl)
1956                                         markup = (tpl.textContent || tpl.innerHTML || tpl.firstChild.data).replace(/^<!--|-->$/, '').trim();
1957                                 else
1958                                         markup = '<li data-value="{{value}}">{{value}}</li>';
1959
1960                                 new_item = E(markup.replace(/{{value}}/g, item));
1961
1962                                 if (sbox.multi) {
1963                                         sbox.transformItem(sb, new_item);
1964                                 }
1965                                 else {
1966                                         var old = ul.querySelector('li[created]');
1967                                         if (old)
1968                                                 ul.removeChild(old);
1969
1970                                         new_item.setAttribute('created', '');
1971                                 }
1972
1973                                 new_item = ul.insertBefore(new_item, ul.lastElementChild);
1974                         }
1975
1976                         sbox.toggleItem(sb, new_item, true);
1977                         sbox.setFocus(sb, new_item, true);
1978                 });
1979         },
1980
1981         closeAllDropdowns: function() {
1982                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1983                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1984                 });
1985         },
1986
1987         handleClick: function(ev) {
1988                 var sb = ev.currentTarget;
1989
1990                 if (!sb.hasAttribute('open')) {
1991                         if (!matchesElem(ev.target, 'input'))
1992                                 this.openDropdown(sb);
1993                 }
1994                 else {
1995                         var li = findParent(ev.target, 'li');
1996                         if (li && li.parentNode.classList.contains('dropdown'))
1997                                 this.toggleItem(sb, li);
1998                 }
1999
2000                 ev.preventDefault();
2001                 ev.stopPropagation();
2002         },
2003
2004         handleKeydown: function(ev) {
2005                 var sb = ev.currentTarget;
2006
2007                 if (matchesElem(ev.target, 'input'))
2008                         return;
2009
2010                 if (!sb.hasAttribute('open')) {
2011                         switch (ev.keyCode) {
2012                         case 37:
2013                         case 38:
2014                         case 39:
2015                         case 40:
2016                                 this.openDropdown(sb);
2017                                 ev.preventDefault();
2018                         }
2019                 }
2020                 else {
2021                         var active = findParent(document.activeElement, 'li');
2022
2023                         switch (ev.keyCode) {
2024                         case 27:
2025                                 this.closeDropdown(sb);
2026                                 break;
2027
2028                         case 13:
2029                                 if (active) {
2030                                         if (!active.hasAttribute('selected'))
2031                                                 this.toggleItem(sb, active);
2032                                         this.closeDropdown(sb);
2033                                         ev.preventDefault();
2034                                 }
2035                                 break;
2036
2037                         case 32:
2038                                 if (active) {
2039                                         this.toggleItem(sb, active);
2040                                         ev.preventDefault();
2041                                 }
2042                                 break;
2043
2044                         case 38:
2045                                 if (active && active.previousElementSibling) {
2046                                         this.setFocus(sb, active.previousElementSibling);
2047                                         ev.preventDefault();
2048                                 }
2049                                 break;
2050
2051                         case 40:
2052                                 if (active && active.nextElementSibling) {
2053                                         this.setFocus(sb, active.nextElementSibling);
2054                                         ev.preventDefault();
2055                                 }
2056                                 break;
2057                         }
2058                 }
2059         },
2060
2061         handleDropdownClose: function(ev) {
2062                 var sb = ev.currentTarget;
2063
2064                 this.closeDropdown(sb, true);
2065         },
2066
2067         handleDropdownSelect: function(ev) {
2068                 var sb = ev.currentTarget,
2069                     li = findParent(ev.target, 'li');
2070
2071                 if (!li)
2072                         return;
2073
2074                 this.toggleItem(sb, li);
2075                 this.closeDropdown(sb, true);
2076         },
2077
2078         handleMouseover: function(ev) {
2079                 var sb = ev.currentTarget;
2080
2081                 if (!sb.hasAttribute('open'))
2082                         return;
2083
2084                 var li = findParent(ev.target, 'li');
2085
2086                 if (li && li.parentNode.classList.contains('dropdown'))
2087                         this.setFocus(sb, li);
2088         },
2089
2090         handleFocus: function(ev) {
2091                 var sb = ev.currentTarget;
2092
2093                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
2094                         if (s !== sb || sb.hasAttribute('open'))
2095                                 s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
2096                 });
2097         },
2098
2099         handleCanaryFocus: function(ev) {
2100                 this.closeDropdown(ev.currentTarget.parentNode);
2101         },
2102
2103         handleCreateKeydown: function(ev) {
2104                 var input = ev.currentTarget,
2105                     sb = findParent(input, '.cbi-dropdown');
2106
2107                 switch (ev.keyCode) {
2108                 case 13:
2109                         ev.preventDefault();
2110
2111                         if (input.classList.contains('cbi-input-invalid'))
2112                                 return;
2113
2114                         this.createItems(sb, input.value);
2115                         input.value = '';
2116                         input.blur();
2117                         break;
2118                 }
2119         },
2120
2121         handleCreateFocus: function(ev) {
2122                 var input = ev.currentTarget,
2123                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
2124                     sb = findParent(input, '.cbi-dropdown');
2125
2126                 if (cbox)
2127                         cbox.checked = true;
2128
2129                 sb.setAttribute('locked-in', '');
2130         },
2131
2132         handleCreateBlur: function(ev) {
2133                 var input = ev.currentTarget,
2134                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
2135                     sb = findParent(input, '.cbi-dropdown');
2136
2137                 if (cbox)
2138                         cbox.checked = false;
2139
2140                 sb.removeAttribute('locked-in');
2141         },
2142
2143         handleCreateClick: function(ev) {
2144                 ev.currentTarget.querySelector(this.create).focus();
2145         }
2146 };
2147
2148 function cbi_dropdown_init(sb) {
2149         if (!(this instanceof cbi_dropdown_init))
2150                 return new cbi_dropdown_init(sb);
2151
2152         this.multi = sb.hasAttribute('multiple');
2153         this.optional = sb.hasAttribute('optional');
2154         this.placeholder = sb.getAttribute('placeholder') || '---';
2155         this.display_items = parseInt(sb.getAttribute('display-items') || 3);
2156         this.dropdown_items = parseInt(sb.getAttribute('dropdown-items') || 5);
2157         this.create = sb.getAttribute('item-create') || '.create-item-input';
2158         this.template = sb.getAttribute('item-template') || 'script[type="item-template"]';
2159
2160         var ul = sb.querySelector('ul'),
2161             more = sb.appendChild(E('span', { class: 'more', tabindex: -1 }, '···')),
2162             open = sb.appendChild(E('span', { class: 'open', tabindex: -1 }, '▾')),
2163             canary = sb.appendChild(E('div')),
2164             create = sb.querySelector(this.create),
2165             ndisplay = this.display_items,
2166             n = 0;
2167
2168         if (this.multi) {
2169                 var items = ul.querySelectorAll('li');
2170
2171                 for (var i = 0; i < items.length; i++) {
2172                         this.transformItem(sb, items[i]);
2173
2174                         if (items[i].hasAttribute('selected') && ndisplay-- > 0)
2175                                 items[i].setAttribute('display', n++);
2176                 }
2177         }
2178         else {
2179                 if (this.optional && !ul.querySelector('li[data-value=""]')) {
2180                         var placeholder = E('li', { placeholder: '' }, this.placeholder);
2181                         ul.firstChild ? ul.insertBefore(placeholder, ul.firstChild) : ul.appendChild(placeholder);
2182                 }
2183
2184                 var items = ul.querySelectorAll('li'),
2185                     sel = sb.querySelectorAll('[selected]');
2186
2187                 sel.forEach(function(s) {
2188                         s.removeAttribute('selected');
2189                 });
2190
2191                 var s = sel[0] || items[0];
2192                 if (s) {
2193                         s.setAttribute('selected', '');
2194                         s.setAttribute('display', n++);
2195                 }
2196
2197                 ndisplay--;
2198         }
2199
2200         this.saveValues(sb, ul);
2201
2202         ul.setAttribute('tabindex', -1);
2203         sb.setAttribute('tabindex', 0);
2204
2205         if (ndisplay < 0)
2206                 sb.setAttribute('more', '')
2207         else
2208                 sb.removeAttribute('more');
2209
2210         if (ndisplay === this.display_items)
2211                 sb.setAttribute('empty', '')
2212         else
2213                 sb.removeAttribute('empty');
2214
2215         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
2216
2217
2218         sb.addEventListener('click', this.handleClick.bind(this));
2219         sb.addEventListener('keydown', this.handleKeydown.bind(this));
2220         sb.addEventListener('cbi-dropdown-close', this.handleDropdownClose.bind(this));
2221         sb.addEventListener('cbi-dropdown-select', this.handleDropdownSelect.bind(this));
2222
2223         if ('ontouchstart' in window) {
2224                 sb.addEventListener('touchstart', function(ev) { ev.stopPropagation(); });
2225                 window.addEventListener('touchstart', this.closeAllDropdowns);
2226         }
2227         else {
2228                 sb.addEventListener('mouseover', this.handleMouseover.bind(this));
2229                 sb.addEventListener('focus', this.handleFocus.bind(this));
2230
2231                 canary.addEventListener('focus', this.handleCanaryFocus.bind(this));
2232
2233                 window.addEventListener('mouseover', this.setFocus);
2234                 window.addEventListener('click', this.closeAllDropdowns);
2235         }
2236
2237         if (create) {
2238                 create.addEventListener('keydown', this.handleCreateKeydown.bind(this));
2239                 create.addEventListener('focus', this.handleCreateFocus.bind(this));
2240                 create.addEventListener('blur', this.handleCreateBlur.bind(this));
2241
2242                 var li = findParent(create, 'li');
2243
2244                 li.setAttribute('unselectable', '');
2245                 li.addEventListener('click', this.handleCreateClick.bind(this));
2246         }
2247 }
2248
2249 cbi_dropdown_init.prototype = CBIDropdown;
2250
2251 function cbi_update_table(table, data, placeholder) {
2252         var target = isElem(table) ? table : document.querySelector(table);
2253
2254         if (!isElem(target))
2255                 return;
2256
2257         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
2258                 var titles = [];
2259
2260                 thead.querySelectorAll('.th').forEach(function(th) {
2261                         titles.push(th);
2262                 });
2263
2264                 if (Array.isArray(data)) {
2265                         var n = 0, rows = target.querySelectorAll('.tr');
2266
2267                         data.forEach(function(row) {
2268                                 var trow = E('div', { 'class': 'tr' });
2269
2270                                 for (var i = 0; i < titles.length; i++) {
2271                                         var text = (titles[i].innerText || '').trim();
2272                                         var td = trow.appendChild(E('div', {
2273                                                 'class': titles[i].className,
2274                                                 'data-title': (text !== '') ? text : null
2275                                         }, row[i] || ''));
2276
2277                                         td.classList.remove('th');
2278                                         td.classList.add('td');
2279                                 }
2280
2281                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
2282
2283                                 if (rows[n])
2284                                         target.replaceChild(trow, rows[n]);
2285                                 else
2286                                         target.appendChild(trow);
2287                         });
2288
2289                         while (rows[++n])
2290                                 target.removeChild(rows[n]);
2291
2292                         if (placeholder && target.firstElementChild === target.lastElementChild) {
2293                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
2294                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
2295
2296                                 td.classList.remove('th');
2297                                 td.classList.add('td');
2298                         }
2299                 }
2300                 else {
2301                         thead.parentNode.style.display = 'none';
2302
2303                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
2304                                 if (trow !== thead) {
2305                                         var n = 0;
2306                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
2307                                                 if (n < titles.length) {
2308                                                         var text = (titles[n++].innerText || '').trim();
2309                                                         if (text !== '')
2310                                                                 td.setAttribute('data-title', text);
2311                                                 }
2312                                         });
2313                                 }
2314                         });
2315
2316                         thead.parentNode.style.display = '';
2317                 }
2318         });
2319 }
2320
2321 var tooltipDiv = null, tooltipTimeout = null;
2322
2323 function showTooltip(ev) {
2324         if (!matchesElem(ev.target, '[data-tooltip]'))
2325                 return;
2326
2327         if (tooltipTimeout !== null) {
2328                 window.clearTimeout(tooltipTimeout);
2329                 tooltipTimeout = null;
2330         }
2331
2332         var rect = ev.target.getBoundingClientRect(),
2333             x = rect.left              + window.pageXOffset,
2334             y = rect.top + rect.height + window.pageYOffset;
2335
2336         tooltipDiv.className = 'cbi-tooltip';
2337         tooltipDiv.innerHTML = '▲ ';
2338         tooltipDiv.firstChild.data += ev.target.getAttribute('data-tooltip');
2339
2340         if (ev.target.hasAttribute('data-tooltip-style'))
2341                 tooltipDiv.classList.add(ev.target.getAttribute('data-tooltip-style'));
2342
2343         if ((y + tooltipDiv.offsetHeight) > (window.innerHeight + window.pageYOffset)) {
2344                 y -= (tooltipDiv.offsetHeight + ev.target.offsetHeight);
2345                 tooltipDiv.firstChild.data = '▼ ' + tooltipDiv.firstChild.data.substr(2);
2346         }
2347
2348         tooltipDiv.style.top = y + 'px';
2349         tooltipDiv.style.left = x + 'px';
2350         tooltipDiv.style.opacity = 1;
2351 }
2352
2353 function hideTooltip(ev) {
2354         if (ev.target === tooltipDiv || ev.relatedTarget === tooltipDiv)
2355                 return;
2356
2357         if (tooltipTimeout !== null) {
2358                 window.clearTimeout(tooltipTimeout);
2359                 tooltipTimeout = null;
2360         }
2361
2362         tooltipDiv.style.opacity = 0;
2363         tooltipTimeout = window.setTimeout(function() { tooltipDiv.removeAttribute('style'); }, 250);
2364 }
2365
2366 document.addEventListener('DOMContentLoaded', function() {
2367         tooltipDiv = document.body.appendChild(E('div', { 'class': 'cbi-tooltip' }));
2368
2369         document.addEventListener('mouseover', showTooltip, true);
2370         document.addEventListener('mouseout', hideTooltip, true);
2371         document.addEventListener('focus', showTooltip, true);
2372         document.addEventListener('blur', hideTooltip, true);
2373
2374         document.addEventListener('validation-failure', function(ev) {
2375                 if (ev.target === document.activeElement)
2376                         showTooltip(ev);
2377         });
2378
2379         document.addEventListener('validation-success', function(ev) {
2380                 if (ev.target === document.activeElement)
2381                         hideTooltip(ev);
2382         });
2383
2384         document.querySelectorAll('.table').forEach(cbi_update_table);
2385 });