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                 hexstring: function() {
 588                         return this.assert(this.value.match(/^([a-f0-9][a-f0-9]|[A-F0-9][A-F0-9])+$/),
 589                                 _('hexadecimal encoded value'));
 590                 }
 591         }
 592 };
 593
 594 function CBIValidator(field, type, optional)
 595 {
 596         this.field = field;
 597         this.optional = optional;
 598         this.vstack = this.compile(type);
 599 }
 600
 601 CBIValidator.prototype = CBIValidatorPrototype;
 602
 603
 604 function cbi_d_add(field, dep, index) {
 605         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 606         if (obj) {
 607                 var entry
 608                 for (var i=0; i<cbi_d.length; i++) {
 609                         if (cbi_d[i].id == obj.id) {
 610                                 entry = cbi_d[i];
 611                                 break;
 612                         }
 613                 }
 614                 if (!entry) {
 615                         entry = {
 616                                 "node": obj,
 617                                 "id": obj.id,
 618                                 "parent": obj.parentNode.id,
 619                                 "deps": [],
 620                                 "index": index
 621                         };
 622                         cbi_d.unshift(entry);
 623                 }
 624                 entry.deps.push(dep)
 625         }
 626 }
 627
 628 function cbi_d_checkvalue(target, ref) {
 629         var value = null,
 630             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 631                     'select[id="'+target+'"], select[name="'+target+'"]';
 632
 633         document.querySelectorAll(query).forEach(function(i) {
 634                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 635                         value = i.value;
 636         });
 637
 638         return (((value !== null) ? value : "") == ref);
 639 }
 640
 641 function cbi_d_check(deps) {
 642         var reverse;
 643         var def = false;
 644         for (var i=0; i<deps.length; i++) {
 645                 var istat = true;
 646                 reverse = false;
 647                 for (var j in deps[i]) {
 648                         if (j == "!reverse") {
 649                                 reverse = true;
 650                         } else if (j == "!default") {
 651                                 def = true;
 652                                 istat = false;
 653                         } else {
 654                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 655                         }
 656                 }
 657
 658                 if (istat ^ reverse) {
 659                         return true;
 660                 }
 661         }
 662         return def;
 663 }
 664
 665 function cbi_d_update() {
 666         var state = false;
 667         for (var i=0; i<cbi_d.length; i++) {
 668                 var entry = cbi_d[i];
 669                 var node  = document.getElementById(entry.id);
 670                 var parent = document.getElementById(entry.parent);
 671
 672                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 673                         node.parentNode.removeChild(node);
 674                         state = true;
 675                 }
 676                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 677                         var next = undefined;
 678
 679                         for (next = parent.firstChild; next; next = next.nextSibling) {
 680                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 681                                         break;
 682                         }
 683
 684                         if (!next)
 685                                 parent.appendChild(entry.node);
 686                         else
 687                                 parent.insertBefore(entry.node, next);
 688
 689                         state = true;
 690                 }
 691
 692                 // hide optionals widget if no choices remaining
 693                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 694                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 695         }
 696
 697         if (entry && entry.parent) {
 698                 if (!cbi_t_update())
 699                         cbi_tag_last(parent);
 700         }
 701
 702         if (state)
 703                 cbi_d_update();
 704 }
 705
 706 function cbi_init() {
 707         var nodes;
 708
 709         nodes = document.querySelectorAll('[data-strings]');
 710
 711         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 712                 var str = JSON.parse(node.getAttribute('data-strings'));
 713                 for (var key in str) {
 714                         for (var key2 in str[key]) {
 715                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 716                                     dst[key2] = str[key][key2];
 717                         }
 718                 }
 719         }
 720
 721         nodes = document.querySelectorAll('[data-depends]');
 722
 723         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 724                 var index = parseInt(node.getAttribute('data-index'), 10);
 725                 var depends = JSON.parse(node.getAttribute('data-depends'));
 726                 if (!isNaN(index) && depends.length > 0) {
 727                         for (var alt = 0; alt < depends.length; alt++)
 728                                 cbi_d_add(node, depends[alt], index);
 729                 }
 730         }
 731
 732         nodes = document.querySelectorAll('[data-update]');
 733
 734         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 735                 var events = node.getAttribute('data-update').split(' ');
 736                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 737                         node.addEventListener(event, cbi_d_update);
 738         }
 739
 740         nodes = document.querySelectorAll('[data-choices]');
 741
 742         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 743                 var choices = JSON.parse(node.getAttribute('data-choices'));
 744                 var options = {};
 745
 746                 for (var j = 0; j < choices[0].length; j++)
 747                         options[choices[0][j]] = choices[1][j];
 748
 749                 var def = (node.getAttribute('data-optional') === 'true')
 750                         ? node.placeholder || '' : null;
 751
 752                 cbi_combobox_init(node, options, def,
 753                                   node.getAttribute('data-manual'));
 754         }
 755
 756         nodes = document.querySelectorAll('[data-dynlist]');
 757
 758         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 759                 var choices = JSON.parse(node.getAttribute('data-dynlist'));
 760                 var options = null;
 761
 762                 if (choices[0] && choices[0].length) {
 763                         options = {};
 764
 765                         for (var j = 0; j < choices[0].length; j++)
 766                                 options[choices[0][j]] = choices[1][j];
 767                 }
 768
 769                 cbi_dynlist_init(node, choices[2], choices[3], options);
 770         }
 771
 772         nodes = document.querySelectorAll('[data-type]');
 773
 774         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 775                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 776                                    node.getAttribute('data-type'));
 777         }
 778
 779         document.querySelectorAll('.cbi-dropdown').forEach(function(s) {
 780                 cbi_dropdown_init(s);
 781         });
 782
 783         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 784                 s.parentNode.classList.add('cbi-tooltip-container');
 785         });
 786
 787         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 788                 var handler = function(ev) {
 789                         var bits = this.name.split(/\./),
 790                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 791
 792                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 793                 };
 794
 795                 i.addEventListener('mouseover', handler);
 796                 i.addEventListener('mouseout', handler);
 797         });
 798
 799         cbi_d_update();
 800 }
 801
 802 function cbi_combobox_init(id, values, def, man) {
 803         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 804         var sb = E('div', {
 805                 'name': obj.name,
 806                 'class': 'cbi-dropdown',
 807                 'display-items': 5,
 808                 'optional': obj.getAttribute('data-optional'),
 809                 'placeholder': _('-- Please choose --')
 810         }, [ E('ul') ]);
 811
 812         if (!(obj.value in values) && obj.value.length) {
 813                 sb.lastElementChild.appendChild(E('li', {
 814                         'data-value': obj.value,
 815                         'selected': ''
 816                 }, obj.value.length ? obj.value : (def || _('-- Please choose --'))));
 817         }
 818
 819         for (var i in values) {
 820                 sb.lastElementChild.appendChild(E('li', {
 821                         'data-value': i,
 822                         'selected': (i == obj.value) ? '' : null
 823                 }, values[i]));
 824         }
 825
 826         sb.lastElementChild.appendChild(E('li', { 'data-value': '-' }, [
 827                 E('input', {
 828                         'type': 'text',
 829                         'class': 'create-item-input',
 830                         'data-type': obj.getAttribute('data-type'),
 831                         'data-optional': true,
 832                         'placeholder': (man || _('-- custom --'))
 833                 })
 834         ]));
 835
 836         obj.parentNode.replaceChild(sb, obj);
 837 }
 838
 839 function cbi_filebrowser(id, defpath) {
 840         var field   = document.getElementById(id);
 841         var browser = window.open(
 842                 cbi_strings.path.browser + ( field.value || defpath || '' ) + '?field=' + id,
 843                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 844         );
 845
 846         browser.focus();
 847 }
 848
 849 function cbi_browser_init(id, resource, defpath)
 850 {
 851         function cbi_browser_btnclick(e) {
 852                 cbi_filebrowser(id, defpath);
 853                 return false;
 854         }
 855
 856         var field = document.getElementById(id);
 857
 858         var btn = document.createElement('img');
 859         btn.className = 'cbi-image-button';
 860         btn.src = (resource || cbi_strings.path.resource) + '/cbi/folder.gif';
 861         field.parentNode.insertBefore(btn, field.nextSibling);
 862
 863         btn.addEventListener('click', cbi_browser_btnclick);
 864 }
 865
 866 CBIDynamicList = {
 867         addItem: function(dl, value, text, flash) {
 868                 var exists = false,
 869                     new_item = E('div', { 'class': flash ? 'item flash' : 'item', 'tabindex': 0 }, [
 870                                 E('span', {}, text || value),
 871                                 E('input', {
 872                                         'type': 'hidden',
 873                                         'name': dl.getAttribute('data-prefix'),
 874                                         'value': value })]);
 875
 876                 dl.querySelectorAll('.item, .add-item').forEach(function(item) {
 877                         if (exists)
 878                                 return;
 879
 880                         var hidden = item.querySelector('input[type="hidden"]');
 881
 882                         if (hidden && hidden.value === value)
 883                                 exists = true;
 884                         else if (!hidden || hidden.value >= value)
 885                                 exists = !!item.parentNode.insertBefore(new_item, item);
 886                 });
 887         },
 888
 889         removeItem: function(dl, item) {
 890                 var sb = dl.querySelector('.cbi-dropdown');
 891                 if (sb) {
 892                         var value = item.querySelector('input[type="hidden"]').value;
 893
 894                         sb.querySelectorAll('ul > li').forEach(function(li) {
 895                                 if (li.getAttribute('data-value') === value)
 896                                         li.removeAttribute('unselectable');
 897                         });
 898                 }
 899
 900                 item.parentNode.removeChild(item);
 901         },
 902
 903         handleClick: function(ev) {
 904                 var dl = ev.currentTarget,
 905                     item = findParent(ev.target, '.item');
 906
 907                 if (item) {
 908                         this.removeItem(dl, item);
 909                 }
 910                 else if (matchesElem(ev.target, '.cbi-button-add')) {
 911                         var input = ev.target.previousElementSibling;
 912                         if (input.value.length && !input.classList.contains('cbi-input-invalid')) {
 913                                 this.addItem(dl, input.value, null, true);
 914                                 input.value = '';
 915                         }
 916                 }
 917         },
 918
 919         handleDropdownChange: function(ev) {
 920                 var dl = ev.currentTarget,
 921                     sbIn = ev.detail.instance,
 922                     sbEl = ev.detail.element,
 923                     sbVal = ev.detail.value;
 924
 925                 if (sbVal === null)
 926                         return;
 927
 928                 sbIn.setValues(sbEl, null);
 929                 sbVal.element.setAttribute('unselectable', '');
 930
 931                 this.addItem(dl, sbVal.value, sbVal.text, true);
 932         },
 933
 934         handleKeydown: function(ev) {
 935                 var dl = ev.currentTarget,
 936                     item = findParent(ev.target, '.item');
 937
 938                 if (item) {
 939                         switch (ev.keyCode) {
 940                         case 8: /* backspace */
 941                                 if (item.previousElementSibling)
 942                                         item.previousElementSibling.focus();
 943
 944                                 this.removeItem(dl, item);
 945                                 break;
 946
 947                         case 46: /* delete */
 948                                 if (item.nextElementSibling) {
 949                                         if (item.nextElementSibling.classList.contains('item'))
 950                                                 item.nextElementSibling.focus();
 951                                         else
 952                                                 item.nextElementSibling.firstElementChild.focus();
 953                                 }
 954
 955                                 this.removeItem(dl, item);
 956                                 break;
 957                         }
 958                 }
 959                 else if (matchesElem(ev.target, '.cbi-input-text')) {
 960                         switch (ev.keyCode) {
 961                         case 13: /* enter */
 962                                 if (ev.target.value.length && !ev.target.classList.contains('cbi-input-invalid')) {
 963                                         this.addItem(dl, ev.target.value, null, true);
 964                                         ev.target.value = '';
 965                                         ev.target.blur();
 966                                         ev.target.focus();
 967                                 }
 968
 969                                 ev.preventDefault();
 970                                 break;
 971                         }
 972                 }
 973         }
 974 };
 975
 976 function cbi_dynlist_init(dl, datatype, optional, choices)
 977 {
 978         if (!(this instanceof cbi_dynlist_init))
 979                 return new cbi_dynlist_init(dl, datatype, optional, choices);
 980
 981         dl.classList.add('cbi-dynlist');
 982         dl.appendChild(E('div', { 'class': 'add-item' }, E('input', {
 983                 'type': 'text',
 984                 'name': 'cbi.dynlist.' + dl.getAttribute('data-prefix'),
 985                 'class': 'cbi-input-text',
 986                 'data-type': datatype,
 987                 'data-optional': true
 988         })));
 989
 990         if (choices)
 991                 cbi_combobox_init(dl.lastElementChild.lastElementChild, choices, '', _('-- custom --'));
 992         else
 993                 dl.lastElementChild.appendChild(E('div', { 'class': 'cbi-button cbi-button-add' }, '+'));
 994
 995         dl.addEventListener('click', this.handleClick.bind(this));
 996         dl.addEventListener('keydown', this.handleKeydown.bind(this));
 997         dl.addEventListener('cbi-dropdown-change', this.handleDropdownChange.bind(this));
 998
 999         try {
1000                 var values = JSON.parse(dl.getAttribute('data-values') || '[]');
1001
1002                 if (typeof(values) === 'object' && Array.isArray(values))
1003                         for (var i = 0; i < values.length; i++)
1004                                 this.addItem(dl, values[i], choices ? choices[values[i]] : null);
1005         }
1006         catch (e) {}
1007 }
1008
1009 cbi_dynlist_init.prototype = CBIDynamicList;
1010
1011
1012 function cbi_t_add(section, tab) {
1013         var t = document.getElementById('tab.' + section + '.' + tab);
1014         var c = document.getElementById('container.' + section + '.' + tab);
1015
1016         if (t && c) {
1017                 cbi_t[section] = (cbi_t[section] || [ ]);
1018                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
1019         }
1020 }
1021
1022 function cbi_t_switch(section, tab) {
1023         if (cbi_t[section] && cbi_t[section][tab]) {
1024                 var o = cbi_t[section][tab];
1025                 var h = document.getElementById('tab.' + section);
1026
1027                 for (var tid in cbi_t[section]) {
1028                         var o2 = cbi_t[section][tid];
1029
1030                         if (o.tab.id != o2.tab.id) {
1031                                 o2.tab.classList.remove('cbi-tab');
1032                                 o2.tab.classList.add('cbi-tab-disabled');
1033                                 o2.container.style.display = 'none';
1034                         }
1035                         else {
1036                                 if(h)
1037                                         h.value = tab;
1038
1039                                 o2.tab.classList.remove('cbi-tab-disabled');
1040                                 o2.tab.classList.add('cbi-tab');
1041                                 o2.container.style.display = 'block';
1042                         }
1043                 }
1044         }
1045
1046         return false;
1047 }
1048
1049 function cbi_t_update() {
1050         var hl_tabs = [ ];
1051         var updated = false;
1052
1053         for (var sid in cbi_t)
1054                 for (var tid in cbi_t[sid]) {
1055                         var t = cbi_t[sid][tid].tab;
1056                         var c = cbi_t[sid][tid].container;
1057
1058                         if (!c.firstElementChild) {
1059                                 t.style.display = 'none';
1060                         }
1061                         else if (t.style.display == 'none') {
1062                                 t.style.display = '';
1063                                 t.classList.add('cbi-tab-highlighted');
1064                                 hl_tabs.push(t);
1065                         }
1066
1067                         cbi_tag_last(c);
1068                         updated = true;
1069                 }
1070
1071         if (hl_tabs.length > 0)
1072                 window.setTimeout(function() {
1073                         for (var i = 0; i < hl_tabs.length; i++)
1074                                 hl_tabs[i].classList.remove('cbi-tab-highlighted');
1075                 }, 750);
1076
1077         return updated;
1078 }
1079
1080
1081 function cbi_validate_form(form, errmsg)
1082 {
1083         /* if triggered by a section removal or addition, don't validate */
1084         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
1085                 return true;
1086
1087         if (form.cbi_validators) {
1088                 for (var i = 0; i < form.cbi_validators.length; i++) {
1089                         var validator = form.cbi_validators[i];
1090
1091                         if (!validator() && errmsg) {
1092                                 alert(errmsg);
1093                                 return false;
1094                         }
1095                 }
1096         }
1097
1098         return true;
1099 }
1100
1101 function cbi_validate_reset(form)
1102 {
1103         window.setTimeout(
1104                 function() { cbi_validate_form(form, null) }, 100
1105         );
1106
1107         return true;
1108 }
1109
1110 function cbi_validate_field(cbid, optional, type)
1111 {
1112         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
1113         var validatorFn;
1114
1115         try {
1116                 var cbiValidator = new CBIValidator(field, type, optional);
1117
1118                 validatorFn = function() {
1119                         return cbiValidator.validate();
1120                 };
1121         }
1122         catch(e) {
1123                 validatorFn = null;
1124         };
1125
1126         if (validatorFn !== null) {
1127                 if (!field.form.cbi_validators)
1128                         field.form.cbi_validators = [ ];
1129
1130                 field.form.cbi_validators.push(validatorFn);
1131
1132                 field.addEventListener("blur",  validatorFn);
1133                 field.addEventListener("keyup", validatorFn);
1134
1135                 if (matchesElem(field, 'select')) {
1136                         field.addEventListener("change", validatorFn);
1137                         field.addEventListener("click",  validatorFn);
1138                 }
1139
1140                 field.setAttribute("cbi_validate", validatorFn);
1141                 field.setAttribute("cbi_datatype", type);
1142                 field.setAttribute("cbi_optional", (!!optional).toString());
1143
1144                 validatorFn();
1145
1146                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1147                 if (fcbox)
1148                         cbi_validate_field(fcbox, optional, type);
1149         }
1150 }
1151
1152 function cbi_row_swap(elem, up, store)
1153 {
1154         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
1155
1156         if (!tr)
1157                 return false;
1158
1159         tr.classList.remove('flash');
1160
1161         if (up) {
1162                 var prev = tr.previousElementSibling;
1163
1164                 if (prev && prev.classList.contains('cbi-section-table-row'))
1165                         tr.parentNode.insertBefore(tr, prev);
1166                 else
1167                         return;
1168         }
1169         else {
1170                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
1171
1172                 if (next && next.classList.contains('cbi-section-table-row'))
1173                         tr.parentNode.insertBefore(tr, next);
1174                 else if (!next)
1175                         tr.parentNode.appendChild(tr);
1176                 else
1177                         return;
1178         }
1179
1180         var ids = [ ];
1181
1182         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
1183                 var node = tr.parentNode.childNodes[i];
1184                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
1185                         node.classList.remove('cbi-rowstyle-1');
1186                         node.classList.remove('cbi-rowstyle-2');
1187                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
1188
1189                         if (/-([^\-]+)$/.test(node.id))
1190                                 ids.push(RegExp.$1);
1191                 }
1192         }
1193
1194         var input = document.getElementById(store);
1195         if (input)
1196                 input.value = ids.join(' ');
1197
1198         window.scrollTo(0, tr.offsetTop);
1199         void tr.offsetWidth;
1200         tr.classList.add('flash');
1201
1202         return false;
1203 }
1204
1205 function cbi_tag_last(container)
1206 {
1207         var last;
1208
1209         for (var i = 0; i < container.childNodes.length; i++) {
1210                 var c = container.childNodes[i];
1211                 if (matchesElem(c, 'div')) {
1212                         c.classList.remove('cbi-value-last');
1213                         last = c;
1214                 }
1215         }
1216
1217         if (last)
1218                 last.classList.add('cbi-value-last');
1219 }
1220
1221 function cbi_submit(elem, name, value, action)
1222 {
1223         var form = elem.form || findParent(elem, 'form');
1224
1225         if (!form)
1226                 return false;
1227
1228         if (action)
1229                 form.action = action;
1230
1231         if (name) {
1232                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
1233                         E('input', { type: 'hidden', name: name });
1234
1235                 hidden.value = value || '1';
1236                 form.appendChild(hidden);
1237         }
1238
1239         form.submit();
1240         return true;
1241 }
1242
1243 String.prototype.format = function()
1244 {
1245         if (!RegExp)
1246                 return;
1247
1248         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1249         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1250
1251         function esc(s, r) {
1252                 if (typeof(s) !== 'string' && !(s instanceof String))
1253                         return '';
1254
1255                 for (var i = 0; i < r.length; i += 2)
1256                         s = s.replace(r[i], r[i+1]);
1257
1258                 return s;
1259         }
1260
1261         var str = this;
1262         var out = '';
1263         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1264         var a = b = [], numSubstitutions = 0, numMatches = 0;
1265
1266         while (a = re.exec(str)) {
1267                 var m = a[1];
1268                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1269                 var pPrecision = a[6], pType = a[7];
1270
1271                 numMatches++;
1272
1273                 if (pType == '%') {
1274                         subst = '%';
1275                 }
1276                 else {
1277                         if (numSubstitutions < arguments.length) {
1278                                 var param = arguments[numSubstitutions++];
1279
1280                                 var pad = '';
1281                                 if (pPad && pPad.substr(0,1) == "'")
1282                                         pad = leftpart.substr(1,1);
1283                                 else if (pPad)
1284                                         pad = pPad;
1285                                 else
1286                                         pad = ' ';
1287
1288                                 var justifyRight = true;
1289                                 if (pJustify && pJustify === "-")
1290                                         justifyRight = false;
1291
1292                                 var minLength = -1;
1293                                 if (pMinLength)
1294                                         minLength = +pMinLength;
1295
1296                                 var precision = -1;
1297                                 if (pPrecision && pType == 'f')
1298                                         precision = +pPrecision.substring(1);
1299
1300                                 var subst = param;
1301
1302                                 switch(pType) {
1303                                         case 'b':
1304                                                 subst = (+param || 0).toString(2);
1305                                                 break;
1306
1307                                         case 'c':
1308                                                 subst = String.fromCharCode(+param || 0);
1309                                                 break;
1310
1311                                         case 'd':
1312                                                 subst = ~~(+param || 0);
1313                                                 break;
1314
1315                                         case 'u':
1316                                                 subst = ~~Math.abs(+param || 0);
1317                                                 break;
1318
1319                                         case 'f':
1320                                                 subst = (precision > -1)
1321                                                         ? ((+param || 0.0)).toFixed(precision)
1322                                                         : (+param || 0.0);
1323                                                 break;
1324
1325                                         case 'o':
1326                                                 subst = (+param || 0).toString(8);
1327                                                 break;
1328
1329                                         case 's':
1330                                                 subst = param;
1331                                                 break;
1332
1333                                         case 'x':
1334                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1335                                                 break;
1336
1337                                         case 'X':
1338                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1339                                                 break;
1340
1341                                         case 'h':
1342                                                 subst = esc(param, html_esc);
1343                                                 break;
1344
1345                                         case 'q':
1346                                                 subst = esc(param, quot_esc);
1347                                                 break;
1348
1349                                         case 't':
1350                                                 var td = 0;
1351                                                 var th = 0;
1352                                                 var tm = 0;
1353                                                 var ts = (param || 0);
1354
1355                                                 if (ts > 60) {
1356                                                         tm = Math.floor(ts / 60);
1357                                                         ts = (ts % 60);
1358                                                 }
1359
1360                                                 if (tm > 60) {
1361                                                         th = Math.floor(tm / 60);
1362                                                         tm = (tm % 60);
1363                                                 }
1364
1365                                                 if (th > 24) {
1366                                                         td = Math.floor(th / 24);
1367                                                         th = (th % 24);
1368                                                 }
1369
1370                                                 subst = (td > 0)
1371                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1372                                                         : String.format('%dh %dm %ds', th, tm, ts);
1373
1374                                                 break;
1375
1376                                         case 'm':
1377                                                 var mf = pMinLength ? +pMinLength : 1000;
1378                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1379
1380                                                 var i = 0;
1381                                                 var val = (+param || 0);
1382                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1383
1384                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1385                                                         val /= mf;
1386
1387                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1388                                                 pMinLength = null;
1389                                                 break;
1390                                 }
1391                         }
1392                 }
1393
1394                 if (pMinLength) {
1395                         subst = subst.toString();
1396                         for (var i = subst.length; i < pMinLength; i++)
1397                                 if (pJustify == '-')
1398                                         subst = subst + ' ';
1399                                 else
1400                                         subst = pad + subst;
1401                 }
1402
1403                 out += leftpart + subst;
1404                 str = str.substr(m.length);
1405         }
1406
1407         return out + str;
1408 }
1409
1410 String.prototype.nobr = function()
1411 {
1412         return this.replace(/[\s\n]+/g, '&#160;');
1413 }
1414
1415 String.format = function()
1416 {
1417         var a = [ ];
1418
1419         for (var i = 1; i < arguments.length; i++)
1420                 a.push(arguments[i]);
1421
1422         return ''.format.apply(arguments[0], a);
1423 }
1424
1425 String.nobr = function()
1426 {
1427         var a = [ ];
1428
1429         for (var i = 1; i < arguments.length; i++)
1430                 a.push(arguments[i]);
1431
1432         return ''.nobr.apply(arguments[0], a);
1433 }
1434
1435 if (window.NodeList && !NodeList.prototype.forEach) {
1436         NodeList.prototype.forEach = function (callback, thisArg) {
1437                 thisArg = thisArg || window;
1438                 for (var i = 0; i < this.length; i++) {
1439                         callback.call(thisArg, this[i], i, this);
1440                 }
1441         };
1442 }
1443
1444
1445 var dummyElem, domParser;
1446
1447 function isElem(e)
1448 {
1449         return (typeof(e) === 'object' && e !== null && 'nodeType' in e);
1450 }
1451
1452 function toElem(s)
1453 {
1454         var elem;
1455
1456         try {
1457                 domParser = domParser || new DOMParser();
1458                 elem = domParser.parseFromString(s, 'text/html').body.firstChild;
1459         }
1460         catch(e) {}
1461
1462         if (!elem) {
1463                 try {
1464                         dummyElem = dummyElem || document.createElement('div');
1465                         dummyElem.innerHTML = s;
1466                         elem = dummyElem.firstChild;
1467                 }
1468                 catch (e) {}
1469         }
1470
1471         return elem || null;
1472 }
1473
1474 function matchesElem(node, selector)
1475 {
1476         return ((node.matches && node.matches(selector)) ||
1477                 (node.msMatchesSelector && node.msMatchesSelector(selector)));
1478 }
1479
1480 function findParent(node, selector)
1481 {
1482         if (node.closest)
1483                 return node.closest(selector);
1484
1485         while (node)
1486                 if (matchesElem(node, selector))
1487                         return node;
1488                 else
1489                         node = node.parentNode;
1490
1491         return null;
1492 }
1493
1494 function E()
1495 {
1496         var html = arguments[0],
1497             attr = (arguments[1] instanceof Object && !Array.isArray(arguments[1])) ? arguments[1] : null,
1498             data = attr ? arguments[2] : arguments[1],
1499             elem;
1500
1501         if (isElem(html))
1502                 elem = html;
1503         else if (html.charCodeAt(0) === 60)
1504                 elem = toElem(html);
1505         else
1506                 elem = document.createElement(html);
1507
1508         if (!elem)
1509                 return null;
1510
1511         if (attr)
1512                 for (var key in attr)
1513                         if (attr.hasOwnProperty(key) && attr[key] !== null && attr[key] !== undefined)
1514                                 switch (typeof(attr[key])) {
1515                                 case 'function':
1516                                         elem.addEventListener(key, attr[key]);
1517                                         break;
1518
1519                                 case 'object':
1520                                         elem.setAttribute(key, JSON.stringify(attr[key]));
1521                                         break;
1522
1523                                 default:
1524                                         elem.setAttribute(key, attr[key]);
1525                                 }
1526
1527         if (typeof(data) === 'function')
1528                 data = data(elem);
1529
1530         if (isElem(data)) {
1531                 elem.appendChild(data);
1532         }
1533         else if (Array.isArray(data)) {
1534                 for (var i = 0; i < data.length; i++)
1535                         if (isElem(data[i]))
1536                                 elem.appendChild(data[i]);
1537                         else
1538                                 elem.appendChild(document.createTextNode('' + data[i]));
1539         }
1540         else if (data !== null && data !== undefined) {
1541                 elem.innerHTML = '' + data;
1542         }
1543
1544         return elem;
1545 }
1546
1547 if (typeof(window.CustomEvent) !== 'function') {
1548         function CustomEvent(event, params) {
1549                 params = params || { bubbles: false, cancelable: false, detail: undefined };
1550                 var evt = document.createEvent('CustomEvent');
1551                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
1552                 return evt;
1553         }
1554
1555         CustomEvent.prototype = window.Event.prototype;
1556         window.CustomEvent = CustomEvent;
1557 }
1558
1559 CBIDropdown = {
1560         openDropdown: function(sb) {
1561                 var st = window.getComputedStyle(sb, null),
1562                     ul = sb.querySelector('ul'),
1563                     li = ul.querySelectorAll('li'),
1564                     sel = ul.querySelector('[selected]'),
1565                     rect = sb.getBoundingClientRect(),
1566                     h = sb.clientHeight - parseFloat(st.paddingTop) - parseFloat(st.paddingBottom),
1567                     mh = this.dropdown_items * h,
1568                     eh = Math.min(mh, li.length * h);
1569
1570                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1571                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1572                 });
1573
1574                 sb.setAttribute('open', '');
1575
1576                 if ('ontouchstart' in window) {
1577                         var scroll = document.documentElement.scrollTop,
1578                             vpWidth = Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
1579                             vpHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
1580
1581                         ul.style.top = h + 'px';
1582                         ul.style.left = -rect.left + 'px';
1583                         ul.style.right = (rect.right - vpWidth) + 'px';
1584
1585                         window.scrollTo(0, (scroll + rect.top - vpHeight * 0.6));
1586                 }
1587                 else {
1588                         ul.style.maxHeight = mh + 'px';
1589                         ul.scrollTop = sel ? Math.max(sel.offsetTop - sel.offsetHeight, 0) : 0;
1590                         ul.style.top = ul.style.bottom = '';
1591                         ul.style[((rect.top + rect.height + eh) > window.innerHeight) ? 'bottom' : 'top'] = rect.height + 'px';
1592                 }
1593
1594                 ul.querySelectorAll('[selected] input[type="checkbox"]').forEach(function(c) {
1595                         c.checked = true;
1596                 });
1597
1598                 ul.classList.add('dropdown');
1599
1600                 var pv = ul.cloneNode(true);
1601                     pv.classList.remove('dropdown');
1602                     pv.classList.add('preview');
1603
1604                 sb.insertBefore(pv, ul.nextElementSibling);
1605
1606                 li.forEach(function(l) {
1607                         l.setAttribute('tabindex', 0);
1608                 });
1609
1610                 sb.lastElementChild.setAttribute('tabindex', 0);
1611
1612                 this.setFocus(sb, sel || li[0], true);
1613         },
1614
1615         closeDropdown: function(sb, no_focus) {
1616                 if (!sb.hasAttribute('open'))
1617                         return;
1618
1619                 var pv = sb.querySelector('ul.preview'),
1620                     ul = sb.querySelector('ul.dropdown'),
1621                     li = ul.querySelectorAll('li');
1622
1623                 li.forEach(function(l) { l.removeAttribute('tabindex'); });
1624                 sb.lastElementChild.removeAttribute('tabindex');
1625
1626                 sb.removeChild(pv);
1627                 sb.removeAttribute('open');
1628                 sb.style.width = sb.style.height = '';
1629
1630                 ul.classList.remove('dropdown');
1631
1632                 if (!no_focus)
1633                         this.setFocus(sb, sb);
1634
1635                 this.saveValues(sb, ul);
1636         },
1637
1638         toggleItem: function(sb, li, force_state) {
1639                 if (li.hasAttribute('unselectable'))
1640                         return;
1641
1642                 if (this.multi) {
1643                         var cbox = li.querySelector('input[type="checkbox"]'),
1644                             items = li.parentNode.querySelectorAll('li'),
1645                             label = sb.querySelector('ul.preview'),
1646                             sel = li.parentNode.querySelectorAll('[selected]').length,
1647                             more = sb.querySelector('.more'),
1648                             ndisplay = this.display_items,
1649                             n = 0;
1650
1651                         if (li.hasAttribute('selected')) {
1652                                 if (force_state !== true) {
1653                                         if (sel > 1 || this.optional) {
1654                                                 li.removeAttribute('selected');
1655                                                 cbox.checked = cbox.disabled = false;
1656                                                 sel--;
1657                                         }
1658                                         else {
1659                                                 cbox.disabled = true;
1660                                         }
1661                                 }
1662                         }
1663                         else {
1664                                 if (force_state !== false) {
1665                                         li.setAttribute('selected', '');
1666                                         cbox.checked = true;
1667                                         cbox.disabled = false;
1668                                         sel++;
1669                                 }
1670                         }
1671
1672                         while (label.firstElementChild)
1673                                 label.removeChild(label.firstElementChild);
1674
1675                         for (var i = 0; i < items.length; i++) {
1676                                 items[i].removeAttribute('display');
1677                                 if (items[i].hasAttribute('selected')) {
1678                                         if (ndisplay-- > 0) {
1679                                                 items[i].setAttribute('display', n++);
1680                                                 label.appendChild(items[i].cloneNode(true));
1681                                         }
1682                                         var c = items[i].querySelector('input[type="checkbox"]');
1683                                         if (c)
1684                                                 c.disabled = (sel == 1 && !this.optional);
1685                                 }
1686                         }
1687
1688                         if (ndisplay < 0)
1689                                 sb.setAttribute('more', '');
1690                         else
1691                                 sb.removeAttribute('more');
1692
1693                         if (ndisplay === this.display_items)
1694                                 sb.setAttribute('empty', '');
1695                         else
1696                                 sb.removeAttribute('empty');
1697
1698                         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
1699                 }
1700                 else {
1701                         var sel = li.parentNode.querySelector('[selected]');
1702                         if (sel) {
1703                                 sel.removeAttribute('display');
1704                                 sel.removeAttribute('selected');
1705                         }
1706
1707                         li.setAttribute('display', 0);
1708                         li.setAttribute('selected', '');
1709
1710                         this.closeDropdown(sb, true);
1711                 }
1712
1713                 this.saveValues(sb, li.parentNode);
1714         },
1715
1716         transformItem: function(sb, li) {
1717                 var cbox = E('form', {}, E('input', { type: 'checkbox', tabindex: -1, onclick: 'event.preventDefault()' })),
1718                     label = E('label');
1719
1720                 while (li.firstChild)
1721                         label.appendChild(li.firstChild);
1722
1723                 li.appendChild(cbox);
1724                 li.appendChild(label);
1725         },
1726
1727         saveValues: function(sb, ul) {
1728                 var sel = ul.querySelectorAll('li[selected]'),
1729                     div = sb.lastElementChild,
1730                     values = [];
1731
1732                 while (div.lastElementChild)
1733                         div.removeChild(div.lastElementChild);
1734
1735                 sel.forEach(function (s) {
1736                         if (s.hasAttribute('placeholder'))
1737                                 return;
1738
1739                         div.appendChild(E('input', {
1740                                 type: 'hidden',
1741                                 name: s.hasAttribute('name') ? s.getAttribute('name') : (sb.getAttribute('name') || ''),
1742                                 value: s.hasAttribute('data-value') ? s.getAttribute('data-value') : s.innerText
1743                         }));
1744
1745                         values.push({
1746                                 text: s.innerText,
1747                                 value: s.hasAttribute('data-value') ? s.getAttribute('data-value') : s.innerText,
1748                                 element: s
1749                         });
1750                 });
1751
1752                 var detail = {
1753                         instance: this,
1754                         element: sb
1755                 };
1756
1757                 if (this.mult)
1758                         detail.values = values;
1759                 else
1760                         detail.value = values.length ? values[0] : null;
1761
1762                 sb.dispatchEvent(new CustomEvent('cbi-dropdown-change', {
1763                         bubbles: true,
1764                         detail: detail
1765                 }));
1766
1767                 cbi_d_update();
1768         },
1769
1770         setValues: function(sb, values) {
1771                 var ul = sb.querySelector('ul');
1772
1773                 if (this.multi) {
1774                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1775                                 if (values === null || !(li.getAttribute('data-value') in values))
1776                                         this.toggleItem(sb, li, false);
1777                                 else
1778                                         this.toggleItem(sb, li, true);
1779                         });
1780                 }
1781                 else {
1782                         var ph = ul.querySelector('li[placeholder]');
1783                         if (ph)
1784                                 this.toggleItem(sb, ph);
1785
1786                         ul.querySelectorAll('li[data-value]').forEach(function(li) {
1787                                 if (values !== null && (li.getAttribute('data-value') in values))
1788                                         this.toggleItem(sb, li);
1789                         });
1790                 }
1791         },
1792
1793         setFocus: function(sb, elem, scroll) {
1794                 if (sb && sb.hasAttribute && sb.hasAttribute('locked-in'))
1795                         return;
1796
1797                 if (sb.target && findParent(sb.target, 'ul.dropdown'))
1798                         return;
1799
1800                 document.querySelectorAll('.focus').forEach(function(e) {
1801                         if (!matchesElem(e, 'input')) {
1802                                 e.classList.remove('focus');
1803                                 e.blur();
1804                         }
1805                 });
1806
1807                 if (elem) {
1808                         elem.focus();
1809                         elem.classList.add('focus');
1810
1811                         if (scroll)
1812                                 elem.parentNode.scrollTop = elem.offsetTop - elem.parentNode.offsetTop;
1813                 }
1814         },
1815
1816         createItems: function(sb, value) {
1817                 var sbox = this,
1818                     val = (value || '').trim().split(/\s+/),
1819                     ul = sb.querySelector('ul');
1820
1821                 if (!sbox.multi)
1822                         val.length = Math.min(val.length, 1);
1823
1824                 if (val.length === 1 && val[0].length === 0)
1825                         val.length = 0;
1826
1827                 val.forEach(function(item) {
1828                         var new_item = null;
1829
1830                         ul.childNodes.forEach(function(li) {
1831                                 if (li.getAttribute && li.getAttribute('data-value') === item)
1832                                         new_item = li;
1833                         });
1834
1835                         if (!new_item) {
1836                                 var markup,
1837                                     tpl = sb.querySelector(sbox.template);
1838
1839                                 if (tpl)
1840                                         markup = (tpl.textContent || tpl.innerHTML || tpl.firstChild.data).replace(/^<!--|-->$/, '').trim();
1841                                 else
1842                                         markup = '<li data-value="{{value}}">{{value}}</li>';
1843
1844                                 new_item = E(markup.replace(/{{value}}/g, item));
1845
1846                                 if (sbox.multi) {
1847                                         sbox.transformItem(sb, new_item);
1848                                 }
1849                                 else {
1850                                         var old = ul.querySelector('li[created]');
1851                                         if (old)
1852                                                 ul.removeChild(old);
1853
1854                                         new_item.setAttribute('created', '');
1855                                 }
1856
1857                                 new_item = ul.insertBefore(new_item, ul.lastElementChild);
1858                         }
1859
1860                         sbox.toggleItem(sb, new_item, true);
1861                         sbox.setFocus(sb, new_item, true);
1862                 });
1863         },
1864
1865         closeAllDropdowns: function() {
1866                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1867                         s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1868                 });
1869         },
1870
1871         handleClick: function(ev) {
1872                 var sb = ev.currentTarget;
1873
1874                 if (!sb.hasAttribute('open')) {
1875                         if (!matchesElem(ev.target, 'input'))
1876                                 this.openDropdown(sb);
1877                 }
1878                 else {
1879                         var li = findParent(ev.target, 'li');
1880                         if (li && li.parentNode.classList.contains('dropdown'))
1881                                 this.toggleItem(sb, li);
1882                 }
1883
1884                 ev.preventDefault();
1885                 ev.stopPropagation();
1886         },
1887
1888         handleKeydown: function(ev) {
1889                 var sb = ev.currentTarget;
1890
1891                 if (matchesElem(ev.target, 'input'))
1892                         return;
1893
1894                 if (!sb.hasAttribute('open')) {
1895                         switch (ev.keyCode) {
1896                         case 37:
1897                         case 38:
1898                         case 39:
1899                         case 40:
1900                                 this.openDropdown(sb);
1901                                 ev.preventDefault();
1902                         }
1903                 }
1904                 else {
1905                         var active = findParent(document.activeElement, 'li');
1906
1907                         switch (ev.keyCode) {
1908                         case 27:
1909                                 this.closeDropdown(sb);
1910                                 break;
1911
1912                         case 13:
1913                                 if (active) {
1914                                         if (!active.hasAttribute('selected'))
1915                                                 this.toggleItem(sb, active);
1916                                         this.closeDropdown(sb);
1917                                         ev.preventDefault();
1918                                 }
1919                                 break;
1920
1921                         case 32:
1922                                 if (active) {
1923                                         this.toggleItem(sb, active);
1924                                         ev.preventDefault();
1925                                 }
1926                                 break;
1927
1928                         case 38:
1929                                 if (active && active.previousElementSibling) {
1930                                         this.setFocus(sb, active.previousElementSibling);
1931                                         ev.preventDefault();
1932                                 }
1933                                 break;
1934
1935                         case 40:
1936                                 if (active && active.nextElementSibling) {
1937                                         this.setFocus(sb, active.nextElementSibling);
1938                                         ev.preventDefault();
1939                                 }
1940                                 break;
1941                         }
1942                 }
1943         },
1944
1945         handleDropdownClose: function(ev) {
1946                 var sb = ev.currentTarget;
1947
1948                 this.closeDropdown(sb, true);
1949         },
1950
1951         handleDropdownSelect: function(ev) {
1952                 var sb = ev.currentTarget,
1953                     li = findParent(ev.target, 'li');
1954
1955                 if (!li)
1956                         return;
1957
1958                 this.toggleItem(sb, li);
1959                 this.closeDropdown(sb, true);
1960         },
1961
1962         handleMouseover: function(ev) {
1963                 var sb = ev.currentTarget;
1964
1965                 if (!sb.hasAttribute('open'))
1966                         return;
1967
1968                 var li = findParent(ev.target, 'li');
1969
1970                 if (li && li.parentNode.classList.contains('dropdown'))
1971                         this.setFocus(sb, li);
1972         },
1973
1974         handleFocus: function(ev) {
1975                 var sb = ev.currentTarget;
1976
1977                 document.querySelectorAll('.cbi-dropdown[open]').forEach(function(s) {
1978                         if (s !== sb || sb.hasAttribute('open'))
1979                                 s.dispatchEvent(new CustomEvent('cbi-dropdown-close', {}));
1980                 });
1981         },
1982
1983         handleCanaryFocus: function(ev) {
1984                 this.closeDropdown(ev.currentTarget.parentNode);
1985         },
1986
1987         handleCreateKeydown: function(ev) {
1988                 var input = ev.currentTarget,
1989                     sb = findParent(input, '.cbi-dropdown');
1990
1991                 switch (ev.keyCode) {
1992                 case 13:
1993                         ev.preventDefault();
1994
1995                         if (input.classList.contains('cbi-input-invalid'))
1996                                 return;
1997
1998                         this.createItems(sb, input.value);
1999                         input.value = '';
2000                         input.blur();
2001                         break;
2002                 }
2003         },
2004
2005         handleCreateFocus: function(ev) {
2006                 var input = ev.currentTarget,
2007                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
2008                     sb = findParent(input, '.cbi-dropdown');
2009
2010                 if (cbox)
2011                         cbox.checked = true;
2012
2013                 sb.setAttribute('locked-in', '');
2014         },
2015
2016         handleCreateBlur: function(ev) {
2017                 var input = ev.currentTarget,
2018                     cbox = findParent(input, 'li').querySelector('input[type="checkbox"]'),
2019                     sb = findParent(input, '.cbi-dropdown');
2020
2021                 if (cbox)
2022                         cbox.checked = false;
2023
2024                 sb.removeAttribute('locked-in');
2025         },
2026
2027         handleCreateClick: function(ev) {
2028                 ev.currentTarget.querySelector(this.create).focus();
2029         }
2030 };
2031
2032 function cbi_dropdown_init(sb) {
2033         if (!(this instanceof cbi_dropdown_init))
2034                 return new cbi_dropdown_init(sb);
2035
2036         this.multi = sb.hasAttribute('multiple');
2037         this.optional = sb.hasAttribute('optional');
2038         this.placeholder = sb.getAttribute('placeholder') || '---';
2039         this.display_items = parseInt(sb.getAttribute('display-items') || 3);
2040         this.dropdown_items = parseInt(sb.getAttribute('dropdown-items') || 5);
2041         this.create = sb.getAttribute('item-create') || '.create-item-input';
2042         this.template = sb.getAttribute('item-template') || 'script[type="item-template"]';
2043
2044         var ul = sb.querySelector('ul'),
2045             more = sb.appendChild(E('span', { class: 'more', tabindex: -1 }, '···')),
2046             open = sb.appendChild(E('span', { class: 'open', tabindex: -1 }, '▾')),
2047             canary = sb.appendChild(E('div')),
2048             create = sb.querySelector(this.create),
2049             ndisplay = this.display_items,
2050             n = 0;
2051
2052         if (this.multi) {
2053                 var items = ul.querySelectorAll('li');
2054
2055                 for (var i = 0; i < items.length; i++) {
2056                         this.transformItem(sb, items[i]);
2057
2058                         if (items[i].hasAttribute('selected') && ndisplay-- > 0)
2059                                 items[i].setAttribute('display', n++);
2060                 }
2061         }
2062         else {
2063                 if (this.optional && !ul.querySelector('li[data-value=""]')) {
2064                         var placeholder = E('li', { placeholder: '' }, this.placeholder);
2065                         ul.firstChild ? ul.insertBefore(placeholder, ul.firstChild) : ul.appendChild(placeholder);
2066                 }
2067
2068                 var items = ul.querySelectorAll('li'),
2069                     sel = sb.querySelectorAll('[selected]');
2070
2071                 sel.forEach(function(s) {
2072                         s.removeAttribute('selected');
2073                 });
2074
2075                 var s = sel[0] || items[0];
2076                 if (s) {
2077                         s.setAttribute('selected', '');
2078                         s.setAttribute('display', n++);
2079                 }
2080
2081                 ndisplay--;
2082         }
2083
2084         this.saveValues(sb, ul);
2085
2086         ul.setAttribute('tabindex', -1);
2087         sb.setAttribute('tabindex', 0);
2088
2089         if (ndisplay < 0)
2090                 sb.setAttribute('more', '')
2091         else
2092                 sb.removeAttribute('more');
2093
2094         if (ndisplay === this.display_items)
2095                 sb.setAttribute('empty', '')
2096         else
2097                 sb.removeAttribute('empty');
2098
2099         more.innerHTML = (ndisplay === this.display_items) ? this.placeholder : '···';
2100
2101
2102         sb.addEventListener('click', this.handleClick.bind(this));
2103         sb.addEventListener('keydown', this.handleKeydown.bind(this));
2104         sb.addEventListener('cbi-dropdown-close', this.handleDropdownClose.bind(this));
2105         sb.addEventListener('cbi-dropdown-select', this.handleDropdownSelect.bind(this));
2106
2107         if ('ontouchstart' in window) {
2108                 sb.addEventListener('touchstart', function(ev) { ev.stopPropagation(); });
2109                 window.addEventListener('touchstart', this.closeAllDropdowns);
2110         }
2111         else {
2112                 sb.addEventListener('mouseover', this.handleMouseover.bind(this));
2113                 sb.addEventListener('focus', this.handleFocus.bind(this));
2114
2115                 canary.addEventListener('focus', this.handleCanaryFocus.bind(this));
2116
2117                 window.addEventListener('mouseover', this.setFocus);
2118                 window.addEventListener('click', this.closeAllDropdowns);
2119         }
2120
2121         if (create) {
2122                 create.addEventListener('keydown', this.handleCreateKeydown.bind(this));
2123                 create.addEventListener('focus', this.handleCreateFocus.bind(this));
2124                 create.addEventListener('blur', this.handleCreateBlur.bind(this));
2125
2126                 var li = findParent(create, 'li');
2127
2128                 li.setAttribute('unselectable', '');
2129                 li.addEventListener('click', this.handleCreateClick.bind(this));
2130         }
2131 }
2132
2133 cbi_dropdown_init.prototype = CBIDropdown;
2134
2135 function cbi_update_table(table, data, placeholder) {
2136         var target = isElem(table) ? table : document.querySelector(table);
2137
2138         if (!isElem(target))
2139                 return;
2140
2141         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
2142                 var titles = [];
2143
2144                 thead.querySelectorAll('.th').forEach(function(th) {
2145                         titles.push(th);
2146                 });
2147
2148                 if (Array.isArray(data)) {
2149                         var n = 0, rows = target.querySelectorAll('.tr');
2150
2151                         data.forEach(function(row) {
2152                                 var trow = E('div', { 'class': 'tr' });
2153
2154                                 for (var i = 0; i < titles.length; i++) {
2155                                         var text = (titles[i].innerText || '').trim();
2156                                         var td = trow.appendChild(E('div', {
2157                                                 'class': titles[i].className,
2158                                                 'data-title': (text !== '') ? text : null
2159                                         }, row[i] || ''));
2160
2161                                         td.classList.remove('th');
2162                                         td.classList.add('td');
2163                                 }
2164
2165                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
2166
2167                                 if (rows[n])
2168                                         target.replaceChild(trow, rows[n]);
2169                                 else
2170                                         target.appendChild(trow);
2171                         });
2172
2173                         while (rows[++n])
2174                                 target.removeChild(rows[n]);
2175
2176                         if (placeholder && target.firstElementChild === target.lastElementChild) {
2177                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
2178                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
2179
2180                                 td.classList.remove('th');
2181                                 td.classList.add('td');
2182                         }
2183                 }
2184                 else {
2185                         thead.parentNode.style.display = 'none';
2186
2187                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
2188                                 if (trow !== thead) {
2189                                         var n = 0;
2190                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
2191                                                 if (n < titles.length) {
2192                                                         var text = (titles[n++].innerText || '').trim();
2193                                                         if (text !== '')
2194                                                                 td.setAttribute('data-title', text);
2195                                                 }
2196                                         });
2197                                 }
2198                         });
2199
2200                         thead.parentNode.style.display = '';
2201                 }
2202         });
2203 }
2204
2205 var tooltipDiv = null, tooltipTimeout = null;
2206
2207 function showTooltip(ev) {
2208         if (!matchesElem(ev.target, '[data-tooltip]'))
2209                 return;
2210
2211         if (tooltipTimeout !== null) {
2212                 window.clearTimeout(tooltipTimeout);
2213                 tooltipTimeout = null;
2214         }
2215
2216         var rect = ev.target.getBoundingClientRect(),
2217             x = rect.left              + window.pageXOffset,
2218             y = rect.top + rect.height + window.pageYOffset;
2219
2220         tooltipDiv.className = 'cbi-tooltip';
2221         tooltipDiv.innerHTML = '▲ ';
2222         tooltipDiv.firstChild.data += ev.target.getAttribute('data-tooltip');
2223
2224         if (ev.target.hasAttribute('data-tooltip-style'))
2225                 tooltipDiv.classList.add(ev.target.getAttribute('data-tooltip-style'));
2226
2227         if ((y + tooltipDiv.offsetHeight) > (window.innerHeight + window.pageYOffset)) {
2228                 y -= (tooltipDiv.offsetHeight + ev.target.offsetHeight);
2229                 tooltipDiv.firstChild.data = '▼ ' + tooltipDiv.firstChild.data.substr(2);
2230         }
2231
2232         tooltipDiv.style.top = y + 'px';
2233         tooltipDiv.style.left = x + 'px';
2234         tooltipDiv.style.opacity = 1;
2235 }
2236
2237 function hideTooltip(ev) {
2238         if (ev.target === tooltipDiv || ev.relatedTarget === tooltipDiv)
2239                 return;
2240
2241         if (tooltipTimeout !== null) {
2242                 window.clearTimeout(tooltipTimeout);
2243                 tooltipTimeout = null;
2244         }
2245
2246         tooltipDiv.style.opacity = 0;
2247         tooltipTimeout = window.setTimeout(function() { tooltipDiv.removeAttribute('style'); }, 250);
2248 }
2249
2250 document.addEventListener('DOMContentLoaded', function() {
2251         tooltipDiv = document.body.appendChild(E('div', { 'class': 'cbi-tooltip' }));
2252
2253         document.addEventListener('mouseover', showTooltip, true);
2254         document.addEventListener('mouseout', hideTooltip, true);
2255         document.addEventListener('focus', showTooltip, true);
2256         document.addEventListener('blur', hideTooltip, true);
2257
2258         document.addEventListener('validation-failure', function(ev) {
2259                 if (ev.target === document.activeElement)
2260                         showTooltip(ev);
2261         });
2262
2263         document.addEventListener('validation-success', function(ev) {
2264                 if (ev.target === document.activeElement)
2265                         hideTooltip(ev);
2266         });
2267
2268         document.querySelectorAll('.table').forEach(cbi_update_table);
2269 });