luci-base: move dropdown, combox and dynlist widget code to L.ui
[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 2008-2018 Jo-Philipp Wich <jo@mein.io>
6
7         Licensed under the Apache License, Version 2.0 (the "License");
8         you may not use this file except in compliance with the License.
9         You may obtain a copy of the License at
10
11         http://www.apache.org/licenses/LICENSE-2.0
12 */
13
14 var cbi_d = [];
15 var cbi_strings = { path: {}, label: {} };
16
17 function s8(bytes, off) {
18         var n = bytes[off];
19         return (n > 0x7F) ? (n - 256) >>> 0 : n;
20 }
21
22 function u16(bytes, off) {
23         return ((bytes[off + 1] << 8) + bytes[off]) >>> 0;
24 }
25
26 function sfh(s) {
27         if (s === null || s.length === 0)
28                 return null;
29
30         var bytes = [];
31
32         for (var i = 0; i < s.length; i++) {
33                 var ch = s.charCodeAt(i);
34
35                 if (ch <= 0x7F)
36                         bytes.push(ch);
37                 else if (ch <= 0x7FF)
38                         bytes.push(((ch >>>  6) & 0x1F) | 0xC0,
39                                    ( ch         & 0x3F) | 0x80);
40                 else if (ch <= 0xFFFF)
41                         bytes.push(((ch >>> 12) & 0x0F) | 0xE0,
42                                    ((ch >>>  6) & 0x3F) | 0x80,
43                                    ( ch         & 0x3F) | 0x80);
44                 else if (code <= 0x10FFFF)
45                         bytes.push(((ch >>> 18) & 0x07) | 0xF0,
46                                    ((ch >>> 12) & 0x3F) | 0x80,
47                                    ((ch >>   6) & 0x3F) | 0x80,
48                                    ( ch         & 0x3F) | 0x80);
49         }
50
51         if (!bytes.length)
52                 return null;
53
54         var hash = (bytes.length >>> 0),
55             len = (bytes.length >>> 2),
56             off = 0, tmp;
57
58         while (len--) {
59                 hash += u16(bytes, off);
60                 tmp   = ((u16(bytes, off + 2) << 11) ^ hash) >>> 0;
61                 hash  = ((hash << 16) ^ tmp) >>> 0;
62                 hash += hash >>> 11;
63                 off  += 4;
64         }
65
66         switch ((bytes.length & 3) >>> 0) {
67         case 3:
68                 hash += u16(bytes, off);
69                 hash  = (hash ^ (hash << 16)) >>> 0;
70                 hash  = (hash ^ (s8(bytes, off + 2) << 18)) >>> 0;
71                 hash += hash >>> 11;
72                 break;
73
74         case 2:
75                 hash += u16(bytes, off);
76                 hash  = (hash ^ (hash << 11)) >>> 0;
77                 hash += hash >>> 17;
78                 break;
79
80         case 1:
81                 hash += s8(bytes, off);
82                 hash  = (hash ^ (hash << 10)) >>> 0;
83                 hash += hash >>> 1;
84                 break;
85         }
86
87         hash  = (hash ^ (hash << 3)) >>> 0;
88         hash += hash >>> 5;
89         hash  = (hash ^ (hash << 4)) >>> 0;
90         hash += hash >>> 17;
91         hash  = (hash ^ (hash << 25)) >>> 0;
92         hash += hash >>> 6;
93
94         return (0x100000000 + hash).toString(16).substr(1);
95 }
96
97 function _(s) {
98         return (window.TR && TR[sfh(s)]) || s;
99 }
100
101 function Int(x) {
102         return (/^-?\d+$/.test(x) ? +x : NaN);
103 }
104
105 function Dec(x) {
106         return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
107 }
108
109 function IPv4(x) {
110         if (!x.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/))
111                 return null;
112
113         if (RegExp.$1 > 255 || RegExp.$2 > 255 || RegExp.$3 > 255 || RegExp.$4 > 255)
114                 return null;
115
116         return [ +RegExp.$1, +RegExp.$2, +RegExp.$3, +RegExp.$4 ];
117 }
118
119 function IPv6(x) {
120         if (x.match(/^([a-fA-F0-9:]+):(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/)) {
121                 var v6 = RegExp.$1, v4 = IPv4(RegExp.$2);
122
123                 if (!v4)
124                         return null;
125
126                 x = v6 + ':' + (v4[0] * 256 + v4[1]).toString(16)
127                        + ':' + (v4[2] * 256 + v4[3]).toString(16);
128         }
129
130         if (!x.match(/^[a-fA-F0-9:]+$/))
131                 return null;
132
133         var prefix_suffix = x.split(/::/);
134
135         if (prefix_suffix.length > 2)
136                 return null;
137
138         var prefix = (prefix_suffix[0] || '0').split(/:/);
139         var suffix = prefix_suffix.length > 1 ? (prefix_suffix[1] || '0').split(/:/) : [];
140
141         if (suffix.length ? (prefix.length + suffix.length > 7)
142                           : ((prefix_suffix.length < 2 && prefix.length < 8) || prefix.length > 8))
143                 return null;
144
145         var i, word;
146         var words = [];
147
148         for (i = 0, word = parseInt(prefix[0], 16); i < prefix.length; word = parseInt(prefix[++i], 16))
149                 if (prefix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
150                         words.push(word);
151                 else
152                         return null;
153
154         for (i = 0; i < (8 - prefix.length - suffix.length); i++)
155                 words.push(0);
156
157         for (i = 0, word = parseInt(suffix[0], 16); i < suffix.length; word = parseInt(suffix[++i], 16))
158                 if (suffix[i].length <= 4 && !isNaN(word) && word <= 0xFFFF)
159                         words.push(word);
160                 else
161                         return null;
162
163         return words;
164 }
165
166 var CBIValidatorPrototype = {
167         apply: function(name, value, args) {
168                 var func;
169
170                 if (typeof(name) === 'function')
171                         func = name;
172                 else if (typeof(this.types[name]) === 'function')
173                         func = this.types[name];
174                 else
175                         return false;
176
177                 if (value !== undefined && value !== null)
178                         this.value = value;
179
180                 return func.apply(this, args);
181         },
182
183         assert: function(condition, message) {
184                 if (!condition) {
185                         this.field.classList.add('cbi-input-invalid');
186                         this.error = message;
187                         return false;
188                 }
189
190                 this.field.classList.remove('cbi-input-invalid');
191                 this.error = null;
192                 return true;
193         },
194
195         compile: function(code) {
196                 var pos = 0;
197                 var esc = false;
198                 var depth = 0;
199                 var stack = [ ];
200
201                 code += ',';
202
203                 for (var i = 0; i < code.length; i++) {
204                         if (esc) {
205                                 esc = false;
206                                 continue;
207                         }
208
209                         switch (code.charCodeAt(i))
210                         {
211                         case 92:
212                                 esc = true;
213                                 break;
214
215                         case 40:
216                         case 44:
217                                 if (depth <= 0) {
218                                         if (pos < i) {
219                                                 var label = code.substring(pos, i);
220                                                         label = label.replace(/\\(.)/g, '$1');
221                                                         label = label.replace(/^[ \t]+/g, '');
222                                                         label = label.replace(/[ \t]+$/g, '');
223
224                                                 if (label && !isNaN(label)) {
225                                                         stack.push(parseFloat(label));
226                                                 }
227                                                 else if (label.match(/^(['"]).*\1$/)) {
228                                                         stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
229                                                 }
230                                                 else if (typeof this.types[label] == 'function') {
231                                                         stack.push(this.types[label]);
232                                                         stack.push(null);
233                                                 }
234                                                 else {
235                                                         throw "Syntax error, unhandled token '"+label+"'";
236                                                 }
237                                         }
238
239                                         pos = i+1;
240                                 }
241
242                                 depth += (code.charCodeAt(i) == 40);
243                                 break;
244
245                         case 41:
246                                 if (--depth <= 0) {
247                                         if (typeof stack[stack.length-2] != 'function')
248                                                 throw "Syntax error, argument list follows non-function";
249
250                                         stack[stack.length-1] = this.compile(code.substring(pos, i));
251                                         pos = i+1;
252                                 }
253
254                                 break;
255                         }
256                 }
257
258                 return stack;
259         },
260
261         validate: function() {
262                 /* element is detached */
263                 if (!findParent(this.field, 'body'))
264                         return true;
265
266                 this.field.classList.remove('cbi-input-invalid');
267                 this.value = matchesElem(this.field, 'select') ? this.field.options[this.field.selectedIndex].value : this.field.value;
268                 this.error = null;
269
270                 var valid;
271
272                 if (this.value.length === 0)
273                         valid = this.assert(this.optional, _('non-empty value'));
274                 else
275                         valid = this.vstack[0].apply(this, this.vstack[1]);
276
277                 if (!valid) {
278                         this.field.setAttribute('data-tooltip', _('Expecting %s').format(this.error));
279                         this.field.setAttribute('data-tooltip-style', 'error');
280                         this.field.dispatchEvent(new CustomEvent('validation-failure', { bubbles: true }));
281                 }
282                 else {
283                         this.field.removeAttribute('data-tooltip');
284                         this.field.removeAttribute('data-tooltip-style');
285                         this.field.dispatchEvent(new CustomEvent('validation-success', { bubbles: true }));
286                 }
287
288                 return valid;
289         },
290
291         types: {
292                 integer: function() {
293                         return this.assert(Int(this.value) !== NaN, _('valid integer value'));
294                 },
295
296                 uinteger: function() {
297                         return this.assert(Int(this.value) >= 0, _('positive integer value'));
298                 },
299
300                 float: function() {
301                         return this.assert(Dec(this.value) !== NaN, _('valid decimal value'));
302                 },
303
304                 ufloat: function() {
305                         return this.assert(Dec(this.value) >= 0, _('positive decimal value'));
306                 },
307
308                 ipaddr: function(nomask) {
309                         return this.assert(this.apply('ip4addr', null, [nomask]) || this.apply('ip6addr', null, [nomask]),
310                                 nomask ? _('valid IP address') : _('valid IP address or prefix'));
311                 },
312
313                 ip4addr: function(nomask) {
314                         var re = nomask ? /^(\d+\.\d+\.\d+\.\d+)$/ : /^(\d+\.\d+\.\d+\.\d+)(?:\/(\d+\.\d+\.\d+\.\d+)|\/(\d{1,2}))?$/,
315                             m = this.value.match(re);
316
317                         return this.assert(m && IPv4(m[1]) && (m[2] ? IPv4(m[2]) : (m[3] ? this.apply('ip4prefix', m[3]) : true)),
318                                 nomask ? _('valid IPv4 address') : _('valid IPv4 address or network'));
319                 },
320
321                 ip6addr: function(nomask) {
322                         var re = nomask ? /^([0-9a-fA-F:.]+)$/ : /^([0-9a-fA-F:.]+)(?:\/(\d{1,3}))?$/,
323                             m = this.value.match(re);
324
325                         return this.assert(m && IPv6(m[1]) && (m[2] ? this.apply('ip6prefix', m[2]) : true),
326                                 nomask ? _('valid IPv6 address') : _('valid IPv6 address or prefix'));
327                 },
328
329                 ip4prefix: function() {
330                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 32,
331                                 _('valid IPv4 prefix value (0-32)'));
332                 },
333
334                 ip6prefix: function() {
335                         return this.assert(!isNaN(this.value) && this.value >= 0 && this.value <= 128,
336                                 _('valid IPv6 prefix value (0-128)'));
337                 },
338
339                 cidr: function() {
340                         return this.assert(this.apply('cidr4') || this.apply('cidr6'), _('valid IPv4 or IPv6 CIDR'));
341                 },
342
343                 cidr4: function() {
344                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,2})$/);
345                         return this.assert(m && IPv4(m[1]) && this.apply('ip4prefix', m[2]), _('valid IPv4 CIDR'));
346                 },
347
348                 cidr6: function() {
349                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/(\d{1,3})$/);
350                         return this.assert(m && IPv6(m[1]) && this.apply('ip6prefix', m[2]), _('valid IPv6 CIDR'));
351                 },
352
353                 ipnet4: function() {
354                         var m = this.value.match(/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})$/);
355                         return this.assert(m && IPv4(m[1]) && IPv4(m[2]), _('IPv4 network in address/netmask notation'));
356                 },
357
358                 ipnet6: function() {
359                         var m = this.value.match(/^([0-9a-fA-F:.]+)\/([0-9a-fA-F:.]+)$/);
360                         return this.assert(m && IPv6(m[1]) && IPv6(m[2]), _('IPv6 network in address/netmask notation'));
361                 },
362
363                 ip6hostid: function() {
364                         if (this.value == "eui64" || this.value == "random")
365                                 return true;
366
367                         var v6 = IPv6(this.value);
368                         return this.assert(!(!v6 || v6[0] || v6[1] || v6[2] || v6[3]), _('valid IPv6 host id'));
369                 },
370
371                 ipmask: function() {
372                         return this.assert(this.apply('ipmask4') || this.apply('ipmask6'),
373                                 _('valid network in address/netmask notation'));
374                 },
375
376                 ipmask4: function() {
377                         return this.assert(this.apply('cidr4') || this.apply('ipnet4') || this.apply('ip4addr'),
378                                 _('valid IPv4 network'));
379                 },
380
381                 ipmask6: function() {
382                         return this.assert(this.apply('cidr6') || this.apply('ipnet6') || this.apply('ip6addr'),
383                                 _('valid IPv6 network'));
384                 },
385
386                 port: function() {
387                         var p = Int(this.value);
388                         return this.assert(p >= 0 && p <= 65535, _('valid port value'));
389                 },
390
391                 portrange: function() {
392                         if (this.value.match(/^(\d+)-(\d+)$/)) {
393                                 var p1 = +RegExp.$1;
394                                 var p2 = +RegExp.$2;
395                                 return this.assert(p1 <= p2 && p2 <= 65535,
396                                         _('valid port or port range (port1-port2)'));
397                         }
398
399                         return this.assert(this.apply('port'), _('valid port or port range (port1-port2)'));
400                 },
401
402                 macaddr: function() {
403                         return this.assert(this.value.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null,
404                                 _('valid MAC address'));
405                 },
406
407                 host: function(ipv4only) {
408                         return this.assert(this.apply('hostname') || this.apply(ipv4only == 1 ? 'ip4addr' : 'ipaddr'),
409                                 _('valid hostname or IP address'));
410                 },
411
412                 hostname: function(strict) {
413                         if (this.value.length <= 253)
414                                 return this.assert(
415                                         (this.value.match(/^[a-zA-Z0-9_]+$/) != null ||
416                                                 (this.value.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
417                                                  this.value.match(/[^0-9.]/))) &&
418                                         (!strict || !this.value.match(/^_/)),
419                                         _('valid hostname'));
420
421                         return this.assert(false, _('valid hostname'));
422                 },
423
424                 network: function() {
425                         return this.assert(this.apply('uciname') || this.apply('host'),
426                                 _('valid UCI identifier, hostname or IP address'));
427                 },
428
429                 hostport: function(ipv4only) {
430                         var hp = this.value.split(/:/);
431                         return this.assert(hp.length == 2 && this.apply('host', hp[0], [ipv4only]) && this.apply('port', hp[1]),
432                                 _('valid host:port'));
433                 },
434
435                 ip4addrport: function() {
436                         var hp = this.value.split(/:/);
437                         return this.assert(hp.length == 2 && this.apply('ip4addr', hp[0], [true]) && this.apply('port', hp[1]),
438                                 _('valid IPv4 address:port'));
439                 },
440
441                 ipaddrport: function(bracket) {
442                         var m4 = this.value.match(/^([^\[\]:]+):(\d+)$/),
443                             m6 = this.value.match((bracket == 1) ? /^\[(.+)\]:(\d+)$/ : /^([^\[\]]+):(\d+)$/);
444
445                         if (m4)
446                                 return this.assert(this.apply('ip4addr', m4[1], [true]) && this.apply('port', m4[2]),
447                                         _('valid address:port'));
448
449                         return this.assert(m6 && this.apply('ip6addr', m6[1], [true]) && this.apply('port', m6[2]),
450                                 _('valid address:port'));
451                 },
452
453                 wpakey: function() {
454                         var v = this.value;
455
456                         if (v.length == 64)
457                                 return this.assert(v.match(/^[a-fA-F0-9]{64}$/), _('valid hexadecimal WPA key'));
458
459                         return this.assert((v.length >= 8) && (v.length <= 63), _('key between 8 and 63 characters'));
460                 },
461
462                 wepkey: function() {
463                         var v = this.value;
464
465                         if (v.substr(0, 2) === 's:')
466                                 v = v.substr(2);
467
468                         if ((v.length == 10) || (v.length == 26))
469                                 return this.assert(v.match(/^[a-fA-F0-9]{10,26}$/), _('valid hexadecimal WEP key'));
470
471                         return this.assert((v.length === 5) || (v.length === 13), _('key with either 5 or 13 characters'));
472                 },
473
474                 uciname: function() {
475                         return this.assert(this.value.match(/^[a-zA-Z0-9_]+$/), _('valid UCI identifier'));
476                 },
477
478                 range: function(min, max) {
479                         var val = Dec(this.value);
480                         return this.assert(val >= +min && val <= +max, _('value between %f and %f').format(min, max));
481                 },
482
483                 min: function(min) {
484                         return this.assert(Dec(this.value) >= +min, _('value greater or equal to %f').format(min));
485                 },
486
487                 max: function(max) {
488                         return this.assert(Dec(this.value) <= +max, _('value smaller or equal to %f').format(max));
489                 },
490
491                 rangelength: function(min, max) {
492                         var val = '' + this.value;
493                         return this.assert((val.length >= +min) && (val.length <= +max),
494                                 _('value between %d and %d characters').format(min, max));
495                 },
496
497                 minlength: function(min) {
498                         return this.assert((''+this.value).length >= +min,
499                                 _('value with at least %d characters').format(min));
500                 },
501
502                 maxlength: function(max) {
503                         return this.assert((''+this.value).length <= +max,
504                                 _('value with at most %d characters').format(max));
505                 },
506
507                 or: function() {
508                         var errors = [];
509
510                         for (var i = 0; i < arguments.length; i += 2) {
511                                 if (typeof arguments[i] != 'function') {
512                                         if (arguments[i] == this.value)
513                                                 return this.assert(true);
514                                         errors.push('"%s"'.format(arguments[i]));
515                                         i--;
516                                 }
517                                 else if (arguments[i].apply(this, arguments[i+1])) {
518                                         return this.assert(true);
519                                 }
520                                 else {
521                                         errors.push(this.error);
522                                 }
523                         }
524
525                         return this.assert(false, _('one of:\n - %s'.format(errors.join('\n - '))));
526                 },
527
528                 and: function() {
529                         for (var i = 0; i < arguments.length; i += 2) {
530                                 if (typeof arguments[i] != 'function') {
531                                         if (arguments[i] != this.value)
532                                                 return this.assert(false, '"%s"'.format(arguments[i]));
533                                         i--;
534                                 }
535                                 else if (!arguments[i].apply(this, arguments[i+1])) {
536                                         return this.assert(false, this.error);
537                                 }
538                         }
539
540                         return this.assert(true);
541                 },
542
543                 neg: function() {
544                         return this.apply('or', this.value.replace(/^[ \t]*![ \t]*/, ''), arguments);
545                 },
546
547                 list: function(subvalidator, subargs) {
548                         this.field.setAttribute('data-is-list', 'true');
549
550                         var tokens = this.value.match(/[^ \t]+/g);
551                         for (var i = 0; i < tokens.length; i++)
552                                 if (!this.apply(subvalidator, tokens[i], subargs))
553                                         return this.assert(false, this.error);
554
555                         return this.assert(true);
556                 },
557
558                 phonedigit: function() {
559                         return this.assert(this.value.match(/^[0-9\*#!\.]+$/),
560                                 _('valid phone digit (0-9, "*", "#", "!" or ".")'));
561                 },
562
563                 timehhmmss: function() {
564                         return this.assert(this.value.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/),
565                                 _('valid time (HH:MM:SS)'));
566                 },
567
568                 dateyyyymmdd: function() {
569                         if (this.value.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
570                                 var year  = +RegExp.$1,
571                                     month = +RegExp.$2,
572                                     day   = +RegExp.$3,
573                                     days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
574
575                                 function is_leap_year(year) {
576                                         return ((!(year % 4) && (year % 100)) || !(year % 400));
577                                 }
578
579                                 function get_days_in_month(month, year) {
580                                         return (month === 2 && is_leap_year(year)) ? 29 : days_in_month[month - 1];
581                                 }
582
583                                 /* Firewall rules in the past don't make sense */
584                                 return this.assert(year >= 2015 && month && month <= 12 && day && day <= get_days_in_month(month, year),
585                                         _('valid date (YYYY-MM-DD)'));
586
587                         }
588
589                         return this.assert(false, _('valid date (YYYY-MM-DD)'));
590                 },
591
592                 unique: function(subvalidator, subargs) {
593                         var ctx = this,
594                                 option = findParent(ctx.field, '[data-type][data-name]'),
595                             section = findParent(option, '.cbi-section'),
596                             query = '[data-type="%s"][data-name="%s"]'.format(option.getAttribute('data-type'), option.getAttribute('data-name')),
597                             unique = true;
598
599                         section.querySelectorAll(query).forEach(function(sibling) {
600                                 if (sibling === option)
601                                         return;
602
603                                 var input = sibling.querySelector('[data-type]'),
604                                     values = input ? (input.getAttribute('data-is-list') ? input.value.match(/[^ \t]+/g) : [ input.value ]) : null;
605
606                                 if (values !== null && values.indexOf(ctx.value) !== -1)
607                                         unique = false;
608                         });
609
610                         if (!unique)
611                                 return this.assert(false, _('unique value'));
612
613                         if (typeof(subvalidator) === 'function')
614                                 return this.apply(subvalidator, undefined, subargs);
615
616                         return this.assert(true);
617                 },
618
619                 hexstring: function() {
620                         return this.assert(this.value.match(/^([a-f0-9][a-f0-9]|[A-F0-9][A-F0-9])+$/),
621                                 _('hexadecimal encoded value'));
622                 }
623         }
624 };
625
626 function CBIValidator(field, type, optional)
627 {
628         this.field = field;
629         this.optional = optional;
630         this.vstack = this.compile(type);
631 }
632
633 CBIValidator.prototype = CBIValidatorPrototype;
634
635
636 function cbi_d_add(field, dep, index) {
637         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
638         if (obj) {
639                 var entry
640                 for (var i=0; i<cbi_d.length; i++) {
641                         if (cbi_d[i].id == obj.id) {
642                                 entry = cbi_d[i];
643                                 break;
644                         }
645                 }
646                 if (!entry) {
647                         entry = {
648                                 "node": obj,
649                                 "id": obj.id,
650                                 "parent": obj.parentNode.id,
651                                 "deps": [],
652                                 "index": index
653                         };
654                         cbi_d.unshift(entry);
655                 }
656                 entry.deps.push(dep)
657         }
658 }
659
660 function cbi_d_checkvalue(target, ref) {
661         var value = null,
662             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
663                     'select[id="'+target+'"], select[name="'+target+'"]';
664
665         document.querySelectorAll(query).forEach(function(i) {
666                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
667                         value = i.value;
668         });
669
670         return (((value !== null) ? value : "") == ref);
671 }
672
673 function cbi_d_check(deps) {
674         var reverse;
675         var def = false;
676         for (var i=0; i<deps.length; i++) {
677                 var istat = true;
678                 reverse = false;
679                 for (var j in deps[i]) {
680                         if (j == "!reverse") {
681                                 reverse = true;
682                         } else if (j == "!default") {
683                                 def = true;
684                                 istat = false;
685                         } else {
686                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
687                         }
688                 }
689
690                 if (istat ^ reverse) {
691                         return true;
692                 }
693         }
694         return def;
695 }
696
697 function cbi_d_update() {
698         var state = false;
699         for (var i=0; i<cbi_d.length; i++) {
700                 var entry = cbi_d[i];
701                 var node  = document.getElementById(entry.id);
702                 var parent = document.getElementById(entry.parent);
703
704                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
705                         node.parentNode.removeChild(node);
706                         state = true;
707                 }
708                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
709                         var next = undefined;
710
711                         for (next = parent.firstChild; next; next = next.nextSibling) {
712                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
713                                         break;
714                         }
715
716                         if (!next)
717                                 parent.appendChild(entry.node);
718                         else
719                                 parent.insertBefore(entry.node, next);
720
721                         state = true;
722                 }
723
724                 // hide optionals widget if no choices remaining
725                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
726                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
727         }
728
729         if (entry && entry.parent)
730                 cbi_tag_last(parent);
731
732         if (state)
733                 cbi_d_update();
734         else if (parent)
735                 parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
736 }
737
738 function cbi_init() {
739         var nodes;
740
741         document.querySelectorAll('.cbi-dropdown').forEach(function(node) {
742                 cbi_dropdown_init(node);
743                 node.addEventListener('cbi-dropdown-change', cbi_d_update);
744         });
745
746         nodes = document.querySelectorAll('[data-strings]');
747
748         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
749                 var str = JSON.parse(node.getAttribute('data-strings'));
750                 for (var key in str) {
751                         for (var key2 in str[key]) {
752                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
753                                     dst[key2] = str[key][key2];
754                         }
755                 }
756         }
757
758         nodes = document.querySelectorAll('[data-depends]');
759
760         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
761                 var index = parseInt(node.getAttribute('data-index'), 10);
762                 var depends = JSON.parse(node.getAttribute('data-depends'));
763                 if (!isNaN(index) && depends.length > 0) {
764                         for (var alt = 0; alt < depends.length; alt++)
765                                 cbi_d_add(node, depends[alt], index);
766                 }
767         }
768
769         nodes = document.querySelectorAll('[data-update]');
770
771         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
772                 var events = node.getAttribute('data-update').split(' ');
773                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
774                         node.addEventListener(event, cbi_d_update);
775         }
776
777         nodes = document.querySelectorAll('[data-choices]');
778
779         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
780                 var choices = JSON.parse(node.getAttribute('data-choices')),
781                     options = {};
782
783                 for (var j = 0; j < choices[0].length; j++)
784                         options[choices[0][j]] = choices[1][j];
785
786                 var def = (node.getAttribute('data-optional') === 'true')
787                         ? node.placeholder || '' : null;
788
789                 var cb = new L.ui.Combobox(node.value, options, {
790                         name: node.getAttribute('name'),
791                         sort: choices[0],
792                         select_placeholder: def || _('-- Please choose --'),
793                         custom_placeholder: node.getAttribute('data-manual') || _('-- custom --')
794                 });
795
796                 var n = cb.render();
797                 n.addEventListener('cbi-dropdown-change', cbi_d_update);
798                 node.parentNode.replaceChild(n, node);
799         }
800
801         nodes = document.querySelectorAll('[data-dynlist]');
802
803         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
804                 var choices = JSON.parse(node.getAttribute('data-dynlist')),
805                     values = JSON.parse(node.getAttribute('data-values') || '[]'),
806                     options = null;
807
808                 if (choices[0] && choices[0].length) {
809                         options = {};
810
811                         for (var j = 0; j < choices[0].length; j++)
812                                 options[choices[0][j]] = choices[1][j];
813                 }
814
815                 var dl = new L.ui.DynamicList(values, options, {
816                         name: node.getAttribute('data-prefix'),
817                         sort: choices[0],
818                         datatype: choices[2],
819                         optional: choices[3],
820                         placeholder: node.getAttribute('data-placeholder')
821                 });
822
823                 var n = dl.render();
824                 n.addEventListener('cbi-dynlist-change', cbi_d_update);
825                 node.parentNode.replaceChild(n, node);
826         }
827
828         nodes = document.querySelectorAll('[data-type]');
829
830         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
831                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
832                                    node.getAttribute('data-type'));
833         }
834
835         document.querySelectorAll('[data-browser]').forEach(cbi_browser_init);
836
837         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
838                 s.parentNode.classList.add('cbi-tooltip-container');
839         });
840
841         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
842                 var handler = function(ev) {
843                         var bits = this.name.split(/\./),
844                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
845
846                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
847                 };
848
849                 i.addEventListener('mouseover', handler);
850                 i.addEventListener('mouseout', handler);
851         });
852
853         cbi_d_update();
854 }
855
856 function cbi_filebrowser(id, defpath) {
857         var field   = L.dom.elem(id) ? id : document.getElementById(id);
858         var browser = window.open(
859                 cbi_strings.path.browser + (field.value || defpath || '') + '?field=' + field.id,
860                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
861         );
862
863         browser.focus();
864 }
865
866 function cbi_browser_init(field)
867 {
868         field.parentNode.insertBefore(
869                 E('img', {
870                         'src': L.resource('cbi/folder.gif'),
871                         'class': 'cbi-image-button',
872                         'click': function(ev) {
873                                 cbi_filebrowser(field, field.getAttribute('data-browser'));
874                                 ev.preventDefault();
875                         }
876                 }), field.nextSibling);
877 }
878
879 function cbi_validate_form(form, errmsg)
880 {
881         /* if triggered by a section removal or addition, don't validate */
882         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
883                 return true;
884
885         if (form.cbi_validators) {
886                 for (var i = 0; i < form.cbi_validators.length; i++) {
887                         var validator = form.cbi_validators[i];
888
889                         if (!validator() && errmsg) {
890                                 alert(errmsg);
891                                 return false;
892                         }
893                 }
894         }
895
896         return true;
897 }
898
899 function cbi_validate_reset(form)
900 {
901         window.setTimeout(
902                 function() { cbi_validate_form(form, null) }, 100
903         );
904
905         return true;
906 }
907
908 function cbi_validate_field(cbid, optional, type)
909 {
910         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
911         var validatorFn;
912
913         try {
914                 var cbiValidator = new CBIValidator(field, type, optional);
915                 validatorFn = cbiValidator.validate.bind(cbiValidator);
916         }
917         catch(e) {
918                 validatorFn = null;
919         };
920
921         if (validatorFn !== null) {
922                 var form = findParent(field, 'form');
923
924                 if (!form.cbi_validators)
925                         form.cbi_validators = [ ];
926
927                 form.cbi_validators.push(validatorFn);
928
929                 field.addEventListener("blur",  validatorFn);
930                 field.addEventListener("keyup", validatorFn);
931                 field.addEventListener("cbi-dropdown-change", validatorFn);
932
933                 if (matchesElem(field, 'select')) {
934                         field.addEventListener("change", validatorFn);
935                         field.addEventListener("click",  validatorFn);
936                 }
937
938                 validatorFn();
939         }
940 }
941
942 function cbi_row_swap(elem, up, store)
943 {
944         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
945
946         if (!tr)
947                 return false;
948
949         tr.classList.remove('flash');
950
951         if (up) {
952                 var prev = tr.previousElementSibling;
953
954                 if (prev && prev.classList.contains('cbi-section-table-row'))
955                         tr.parentNode.insertBefore(tr, prev);
956                 else
957                         return;
958         }
959         else {
960                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
961
962                 if (next && next.classList.contains('cbi-section-table-row'))
963                         tr.parentNode.insertBefore(tr, next);
964                 else if (!next)
965                         tr.parentNode.appendChild(tr);
966                 else
967                         return;
968         }
969
970         var ids = [ ];
971
972         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
973                 var node = tr.parentNode.childNodes[i];
974                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
975                         node.classList.remove('cbi-rowstyle-1');
976                         node.classList.remove('cbi-rowstyle-2');
977                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
978
979                         if (/-([^\-]+)$/.test(node.id))
980                                 ids.push(RegExp.$1);
981                 }
982         }
983
984         var input = document.getElementById(store);
985         if (input)
986                 input.value = ids.join(' ');
987
988         window.scrollTo(0, tr.offsetTop);
989         void tr.offsetWidth;
990         tr.classList.add('flash');
991
992         return false;
993 }
994
995 function cbi_tag_last(container)
996 {
997         var last;
998
999         for (var i = 0; i < container.childNodes.length; i++) {
1000                 var c = container.childNodes[i];
1001                 if (matchesElem(c, 'div')) {
1002                         c.classList.remove('cbi-value-last');
1003                         last = c;
1004                 }
1005         }
1006
1007         if (last)
1008                 last.classList.add('cbi-value-last');
1009 }
1010
1011 function cbi_submit(elem, name, value, action)
1012 {
1013         var form = elem.form || findParent(elem, 'form');
1014
1015         if (!form)
1016                 return false;
1017
1018         if (action)
1019                 form.action = action;
1020
1021         if (name) {
1022                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
1023                         E('input', { type: 'hidden', name: name });
1024
1025                 hidden.value = value || '1';
1026                 form.appendChild(hidden);
1027         }
1028
1029         form.submit();
1030         return true;
1031 }
1032
1033 String.prototype.format = function()
1034 {
1035         if (!RegExp)
1036                 return;
1037
1038         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1039         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1040
1041         function esc(s, r) {
1042                 if (typeof(s) !== 'string' && !(s instanceof String))
1043                         return '';
1044
1045                 for (var i = 0; i < r.length; i += 2)
1046                         s = s.replace(r[i], r[i+1]);
1047
1048                 return s;
1049         }
1050
1051         var str = this;
1052         var out = '';
1053         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1054         var a = b = [], numSubstitutions = 0, numMatches = 0;
1055
1056         while (a = re.exec(str)) {
1057                 var m = a[1];
1058                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1059                 var pPrecision = a[6], pType = a[7];
1060
1061                 numMatches++;
1062
1063                 if (pType == '%') {
1064                         subst = '%';
1065                 }
1066                 else {
1067                         if (numSubstitutions < arguments.length) {
1068                                 var param = arguments[numSubstitutions++];
1069
1070                                 var pad = '';
1071                                 if (pPad && pPad.substr(0,1) == "'")
1072                                         pad = leftpart.substr(1,1);
1073                                 else if (pPad)
1074                                         pad = pPad;
1075                                 else
1076                                         pad = ' ';
1077
1078                                 var justifyRight = true;
1079                                 if (pJustify && pJustify === "-")
1080                                         justifyRight = false;
1081
1082                                 var minLength = -1;
1083                                 if (pMinLength)
1084                                         minLength = +pMinLength;
1085
1086                                 var precision = -1;
1087                                 if (pPrecision && pType == 'f')
1088                                         precision = +pPrecision.substring(1);
1089
1090                                 var subst = param;
1091
1092                                 switch(pType) {
1093                                         case 'b':
1094                                                 subst = (+param || 0).toString(2);
1095                                                 break;
1096
1097                                         case 'c':
1098                                                 subst = String.fromCharCode(+param || 0);
1099                                                 break;
1100
1101                                         case 'd':
1102                                                 subst = ~~(+param || 0);
1103                                                 break;
1104
1105                                         case 'u':
1106                                                 subst = ~~Math.abs(+param || 0);
1107                                                 break;
1108
1109                                         case 'f':
1110                                                 subst = (precision > -1)
1111                                                         ? ((+param || 0.0)).toFixed(precision)
1112                                                         : (+param || 0.0);
1113                                                 break;
1114
1115                                         case 'o':
1116                                                 subst = (+param || 0).toString(8);
1117                                                 break;
1118
1119                                         case 's':
1120                                                 subst = param;
1121                                                 break;
1122
1123                                         case 'x':
1124                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1125                                                 break;
1126
1127                                         case 'X':
1128                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1129                                                 break;
1130
1131                                         case 'h':
1132                                                 subst = esc(param, html_esc);
1133                                                 break;
1134
1135                                         case 'q':
1136                                                 subst = esc(param, quot_esc);
1137                                                 break;
1138
1139                                         case 't':
1140                                                 var td = 0;
1141                                                 var th = 0;
1142                                                 var tm = 0;
1143                                                 var ts = (param || 0);
1144
1145                                                 if (ts > 60) {
1146                                                         tm = Math.floor(ts / 60);
1147                                                         ts = (ts % 60);
1148                                                 }
1149
1150                                                 if (tm > 60) {
1151                                                         th = Math.floor(tm / 60);
1152                                                         tm = (tm % 60);
1153                                                 }
1154
1155                                                 if (th > 24) {
1156                                                         td = Math.floor(th / 24);
1157                                                         th = (th % 24);
1158                                                 }
1159
1160                                                 subst = (td > 0)
1161                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1162                                                         : String.format('%dh %dm %ds', th, tm, ts);
1163
1164                                                 break;
1165
1166                                         case 'm':
1167                                                 var mf = pMinLength ? +pMinLength : 1000;
1168                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1169
1170                                                 var i = 0;
1171                                                 var val = (+param || 0);
1172                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1173
1174                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1175                                                         val /= mf;
1176
1177                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1178                                                 pMinLength = null;
1179                                                 break;
1180                                 }
1181                         }
1182                 }
1183
1184                 if (pMinLength) {
1185                         subst = subst.toString();
1186                         for (var i = subst.length; i < pMinLength; i++)
1187                                 if (pJustify == '-')
1188                                         subst = subst + ' ';
1189                                 else
1190                                         subst = pad + subst;
1191                 }
1192
1193                 out += leftpart + subst;
1194                 str = str.substr(m.length);
1195         }
1196
1197         return out + str;
1198 }
1199
1200 String.prototype.nobr = function()
1201 {
1202         return this.replace(/[\s\n]+/g, '&#160;');
1203 }
1204
1205 String.format = function()
1206 {
1207         var a = [ ];
1208
1209         for (var i = 1; i < arguments.length; i++)
1210                 a.push(arguments[i]);
1211
1212         return ''.format.apply(arguments[0], a);
1213 }
1214
1215 String.nobr = function()
1216 {
1217         var a = [ ];
1218
1219         for (var i = 1; i < arguments.length; i++)
1220                 a.push(arguments[i]);
1221
1222         return ''.nobr.apply(arguments[0], a);
1223 }
1224
1225 if (window.NodeList && !NodeList.prototype.forEach) {
1226         NodeList.prototype.forEach = function (callback, thisArg) {
1227                 thisArg = thisArg || window;
1228                 for (var i = 0; i < this.length; i++) {
1229                         callback.call(thisArg, this[i], i, this);
1230                 }
1231         };
1232 }
1233
1234 if (!window.requestAnimationFrame) {
1235         window.requestAnimationFrame = function(f) {
1236                 window.setTimeout(function() {
1237                         f(new Date().getTime())
1238                 }, 1000/30);
1239         };
1240 }
1241
1242
1243 function isElem(e) { return L.dom.elem(e) }
1244 function toElem(s) { return L.dom.parse(s) }
1245 function matchesElem(node, selector) { return L.dom.matches(node, selector) }
1246 function findParent(node, selector) { return L.dom.parent(node, selector) }
1247 function E() { return L.dom.create.apply(L.dom, arguments) }
1248
1249 if (typeof(window.CustomEvent) !== 'function') {
1250         function CustomEvent(event, params) {
1251                 params = params || { bubbles: false, cancelable: false, detail: undefined };
1252                 var evt = document.createEvent('CustomEvent');
1253                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
1254                 return evt;
1255         }
1256
1257         CustomEvent.prototype = window.Event.prototype;
1258         window.CustomEvent = CustomEvent;
1259 }
1260
1261 function cbi_dropdown_init(sb) {
1262         var dl = new L.ui.Dropdown(sb, null, { name: sb.getAttribute('name') });
1263         return dl.bind(sb);
1264 }
1265
1266 function cbi_update_table(table, data, placeholder) {
1267         var target = isElem(table) ? table : document.querySelector(table);
1268
1269         if (!isElem(target))
1270                 return;
1271
1272         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
1273                 var titles = [];
1274
1275                 thead.querySelectorAll('.th').forEach(function(th) {
1276                         titles.push(th);
1277                 });
1278
1279                 if (Array.isArray(data)) {
1280                         var n = 0, rows = target.querySelectorAll('.tr');
1281
1282                         data.forEach(function(row) {
1283                                 var trow = E('div', { 'class': 'tr' });
1284
1285                                 for (var i = 0; i < titles.length; i++) {
1286                                         var text = (titles[i].innerText || '').trim();
1287                                         var td = trow.appendChild(E('div', {
1288                                                 'class': titles[i].className,
1289                                                 'data-title': (text !== '') ? text : null
1290                                         }, row[i] || ''));
1291
1292                                         td.classList.remove('th');
1293                                         td.classList.add('td');
1294                                 }
1295
1296                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
1297
1298                                 if (rows[n])
1299                                         target.replaceChild(trow, rows[n]);
1300                                 else
1301                                         target.appendChild(trow);
1302                         });
1303
1304                         while (rows[++n])
1305                                 target.removeChild(rows[n]);
1306
1307                         if (placeholder && target.firstElementChild === target.lastElementChild) {
1308                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
1309                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
1310
1311                                 td.classList.remove('th');
1312                                 td.classList.add('td');
1313                         }
1314                 }
1315                 else {
1316                         thead.parentNode.style.display = 'none';
1317
1318                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
1319                                 if (trow !== thead) {
1320                                         var n = 0;
1321                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
1322                                                 if (n < titles.length) {
1323                                                         var text = (titles[n++].innerText || '').trim();
1324                                                         if (text !== '')
1325                                                                 td.setAttribute('data-title', text);
1326                                                 }
1327                                         });
1328                                 }
1329                         });
1330
1331                         thead.parentNode.style.display = '';
1332                 }
1333         });
1334 }
1335
1336 function showModal(title, children)
1337 {
1338         return L.showModal(title, children);
1339 }
1340
1341 function hideModal()
1342 {
1343         return L.hideModal();
1344 }
1345
1346
1347 document.addEventListener('DOMContentLoaded', function() {
1348         document.addEventListener('validation-failure', function(ev) {
1349                 if (ev.target === document.activeElement)
1350                         L.showTooltip(ev);
1351         });
1352
1353         document.addEventListener('validation-success', function(ev) {
1354                 if (ev.target === document.activeElement)
1355                         L.hideTooltip(ev);
1356         });
1357
1358         document.querySelectorAll('.table').forEach(cbi_update_table);
1359 });