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