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 var plural_function = null;
  98
  99 function trimws(s) {
 100         return String(s).trim().replace(/[ \t\n]+/g, ' ');
 101 }
 102
 103 function _(s, c) {
 104         return (window.TR && TR[sfh(trimws(s))]) || s;
 105 }
 106
 107 function N_(n, s, p, c) {
 108         if (plural_function == null && window.TR)
 109                 plural_function = new Function('n', (TR['00000000'] || 'plural=(n != 1);') + 'return +plural');
 110
 111         var i = plural_function ? plural_function(n) : (n != 1),
 112             k = (c != null ? trimws(c) + '\u0001' : '') + trimws(s) + '\u0002' + i.toString();
 113
 114         return (window.TR && TR[sfh(k)]) || (i ? p : s);
 115 }
 116
 117
 118 function cbi_d_add(field, dep, index) {
 119         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 120         if (obj) {
 121                 var entry
 122                 for (var i=0; i<cbi_d.length; i++) {
 123                         if (cbi_d[i].id == obj.id) {
 124                                 entry = cbi_d[i];
 125                                 break;
 126                         }
 127                 }
 128                 if (!entry) {
 129                         entry = {
 130                                 "node": obj,
 131                                 "id": obj.id,
 132                                 "parent": obj.parentNode.id,
 133                                 "deps": [],
 134                                 "index": index
 135                         };
 136                         cbi_d.unshift(entry);
 137                 }
 138                 entry.deps.push(dep)
 139         }
 140 }
 141
 142 function cbi_d_checkvalue(target, ref) {
 143         var value = null,
 144             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 145                     'select[id="'+target+'"], select[name="'+target+'"]';
 146
 147         document.querySelectorAll(query).forEach(function(i) {
 148                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 149                         value = i.value;
 150         });
 151
 152         return (((value !== null) ? value : "") == ref);
 153 }
 154
 155 function cbi_d_check(deps) {
 156         var reverse;
 157         var def = false;
 158         for (var i=0; i<deps.length; i++) {
 159                 var istat = true;
 160                 reverse = false;
 161                 for (var j in deps[i]) {
 162                         if (j == "!reverse") {
 163                                 reverse = true;
 164                         } else if (j == "!default") {
 165                                 def = true;
 166                                 istat = false;
 167                         } else {
 168                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 169                         }
 170                 }
 171
 172                 if (istat ^ reverse) {
 173                         return true;
 174                 }
 175         }
 176         return def;
 177 }
 178
 179 function cbi_d_update() {
 180         var state = false;
 181         for (var i=0; i<cbi_d.length; i++) {
 182                 var entry = cbi_d[i];
 183                 var node  = document.getElementById(entry.id);
 184                 var parent = document.getElementById(entry.parent);
 185
 186                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 187                         node.parentNode.removeChild(node);
 188                         state = true;
 189                 }
 190                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 191                         var next = undefined;
 192
 193                         for (next = parent.firstChild; next; next = next.nextSibling) {
 194                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 195                                         break;
 196                         }
 197
 198                         if (!next)
 199                                 parent.appendChild(entry.node);
 200                         else
 201                                 parent.insertBefore(entry.node, next);
 202
 203                         state = true;
 204                 }
 205
 206                 // hide optionals widget if no choices remaining
 207                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 208                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 209         }
 210
 211         if (entry && entry.parent)
 212                 cbi_tag_last(parent);
 213
 214         if (state)
 215                 cbi_d_update();
 216         else if (parent)
 217                 parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
 218 }
 219
 220 function cbi_init() {
 221         var nodes;
 222
 223         document.querySelectorAll('.cbi-dropdown').forEach(function(node) {
 224                 cbi_dropdown_init(node);
 225                 node.addEventListener('cbi-dropdown-change', cbi_d_update);
 226         });
 227
 228         nodes = document.querySelectorAll('[data-strings]');
 229
 230         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 231                 var str = JSON.parse(node.getAttribute('data-strings'));
 232                 for (var key in str) {
 233                         for (var key2 in str[key]) {
 234                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 235                                     dst[key2] = str[key][key2];
 236                         }
 237                 }
 238         }
 239
 240         nodes = document.querySelectorAll('[data-depends]');
 241
 242         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 243                 var index = parseInt(node.getAttribute('data-index'), 10);
 244                 var depends = JSON.parse(node.getAttribute('data-depends'));
 245                 if (!isNaN(index) && depends.length > 0) {
 246                         for (var alt = 0; alt < depends.length; alt++)
 247                                 cbi_d_add(node, depends[alt], index);
 248                 }
 249         }
 250
 251         nodes = document.querySelectorAll('[data-update]');
 252
 253         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 254                 var events = node.getAttribute('data-update').split(' ');
 255                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 256                         node.addEventListener(event, cbi_d_update);
 257         }
 258
 259         nodes = document.querySelectorAll('[data-choices]');
 260
 261         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 262                 var choices = JSON.parse(node.getAttribute('data-choices')),
 263                     options = {};
 264
 265                 for (var j = 0; j < choices[0].length; j++)
 266                         options[choices[0][j]] = choices[1][j];
 267
 268                 var def = (node.getAttribute('data-optional') === 'true')
 269                         ? node.placeholder || '' : null;
 270
 271                 var cb = new L.ui.Combobox(node.value, options, {
 272                         name: node.getAttribute('name'),
 273                         sort: choices[0],
 274                         select_placeholder: def || _('-- Please choose --'),
 275                         custom_placeholder: node.getAttribute('data-manual') || _('-- custom --')
 276                 });
 277
 278                 var n = cb.render();
 279                 n.addEventListener('cbi-dropdown-change', cbi_d_update);
 280                 node.parentNode.replaceChild(n, node);
 281         }
 282
 283         nodes = document.querySelectorAll('[data-dynlist]');
 284
 285         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 286                 var choices = JSON.parse(node.getAttribute('data-dynlist')),
 287                     values = JSON.parse(node.getAttribute('data-values') || '[]'),
 288                     options = null;
 289
 290                 if (choices[0] && choices[0].length) {
 291                         options = {};
 292
 293                         for (var j = 0; j < choices[0].length; j++)
 294                                 options[choices[0][j]] = choices[1][j];
 295                 }
 296
 297                 var dl = new L.ui.DynamicList(values, options, {
 298                         name: node.getAttribute('data-prefix'),
 299                         sort: choices[0],
 300                         datatype: choices[2],
 301                         optional: choices[3],
 302                         placeholder: node.getAttribute('data-placeholder')
 303                 });
 304
 305                 var n = dl.render();
 306                 n.addEventListener('cbi-dynlist-change', cbi_d_update);
 307                 node.parentNode.replaceChild(n, node);
 308         }
 309
 310         nodes = document.querySelectorAll('[data-type]');
 311
 312         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 313                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 314                                    node.getAttribute('data-type'));
 315         }
 316
 317         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 318                 s.parentNode.classList.add('cbi-tooltip-container');
 319         });
 320
 321         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 322                 var handler = function(ev) {
 323                         var bits = this.name.split(/\./),
 324                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 325
 326                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 327                 };
 328
 329                 i.addEventListener('mouseover', handler);
 330                 i.addEventListener('mouseout', handler);
 331         });
 332
 333         var tasks = [];
 334
 335         document.querySelectorAll('[data-ui-widget]').forEach(function(node) {
 336                 var args = JSON.parse(node.getAttribute('data-ui-widget') || '[]'),
 337                     widget = new (Function.prototype.bind.apply(L.ui[args[0]], args)),
 338                     markup = widget.render();
 339
 340                 tasks.push(Promise.resolve(markup).then(function(markup) {
 341                         markup.addEventListener('widget-change', cbi_d_update);
 342                         node.parentNode.replaceChild(markup, node);
 343                 }));
 344         });
 345
 346         Promise.all(tasks).then(cbi_d_update);
 347 }
 348
 349 function cbi_validate_form(form, errmsg)
 350 {
 351         /* if triggered by a section removal or addition, don't validate */
 352         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
 353                 return true;
 354
 355         if (form.cbi_validators) {
 356                 for (var i = 0; i < form.cbi_validators.length; i++) {
 357                         var validator = form.cbi_validators[i];
 358
 359                         if (!validator() && errmsg) {
 360                                 alert(errmsg);
 361                                 return false;
 362                         }
 363                 }
 364         }
 365
 366         return true;
 367 }
 368
 369 function cbi_validate_reset(form)
 370 {
 371         window.setTimeout(
 372                 function() { cbi_validate_form(form, null) }, 100
 373         );
 374
 375         return true;
 376 }
 377
 378 function cbi_validate_field(cbid, optional, type)
 379 {
 380         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
 381         var validatorFn;
 382
 383         try {
 384                 var cbiValidator = L.validation.create(field, type, optional);
 385                 validatorFn = cbiValidator.validate.bind(cbiValidator);
 386         }
 387         catch(e) {
 388                 validatorFn = null;
 389         };
 390
 391         if (validatorFn !== null) {
 392                 var form = findParent(field, 'form');
 393
 394                 if (!form.cbi_validators)
 395                         form.cbi_validators = [ ];
 396
 397                 form.cbi_validators.push(validatorFn);
 398
 399                 field.addEventListener("blur",  validatorFn);
 400                 field.addEventListener("keyup", validatorFn);
 401                 field.addEventListener("cbi-dropdown-change", validatorFn);
 402
 403                 if (matchesElem(field, 'select')) {
 404                         field.addEventListener("change", validatorFn);
 405                         field.addEventListener("click",  validatorFn);
 406                 }
 407
 408                 validatorFn();
 409         }
 410 }
 411
 412 function cbi_row_swap(elem, up, store)
 413 {
 414         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
 415
 416         if (!tr)
 417                 return false;
 418
 419         tr.classList.remove('flash');
 420
 421         if (up) {
 422                 var prev = tr.previousElementSibling;
 423
 424                 if (prev && prev.classList.contains('cbi-section-table-row'))
 425                         tr.parentNode.insertBefore(tr, prev);
 426                 else
 427                         return;
 428         }
 429         else {
 430                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
 431
 432                 if (next && next.classList.contains('cbi-section-table-row'))
 433                         tr.parentNode.insertBefore(tr, next);
 434                 else if (!next)
 435                         tr.parentNode.appendChild(tr);
 436                 else
 437                         return;
 438         }
 439
 440         var ids = [ ];
 441
 442         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
 443                 var node = tr.parentNode.childNodes[i];
 444                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
 445                         node.classList.remove('cbi-rowstyle-1');
 446                         node.classList.remove('cbi-rowstyle-2');
 447                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
 448
 449                         if (/-([^\-]+)$/.test(node.id))
 450                                 ids.push(RegExp.$1);
 451                 }
 452         }
 453
 454         var input = document.getElementById(store);
 455         if (input)
 456                 input.value = ids.join(' ');
 457
 458         window.scrollTo(0, tr.offsetTop);
 459         void tr.offsetWidth;
 460         tr.classList.add('flash');
 461
 462         return false;
 463 }
 464
 465 function cbi_tag_last(container)
 466 {
 467         var last;
 468
 469         for (var i = 0; i < container.childNodes.length; i++) {
 470                 var c = container.childNodes[i];
 471                 if (matchesElem(c, 'div')) {
 472                         c.classList.remove('cbi-value-last');
 473                         last = c;
 474                 }
 475         }
 476
 477         if (last)
 478                 last.classList.add('cbi-value-last');
 479 }
 480
 481 function cbi_submit(elem, name, value, action)
 482 {
 483         var form = elem.form || findParent(elem, 'form');
 484
 485         if (!form)
 486                 return false;
 487
 488         if (action)
 489                 form.action = action;
 490
 491         if (name) {
 492                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
 493                         E('input', { type: 'hidden', name: name });
 494
 495                 hidden.value = value || '1';
 496                 form.appendChild(hidden);
 497         }
 498
 499         form.submit();
 500         return true;
 501 }
 502
 503 String.prototype.format = function()
 504 {
 505         if (!RegExp)
 506                 return;
 507
 508         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 509         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 510
 511         function esc(s, r) {
 512                 if (typeof(s) !== 'string' && !(s instanceof String))
 513                         return '';
 514
 515                 for (var i = 0; i < r.length; i += 2)
 516                         s = s.replace(r[i], r[i+1]);
 517
 518                 return s;
 519         }
 520
 521         var str = this;
 522         var out = '';
 523         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
 524         var a = b = [], numSubstitutions = 0, numMatches = 0;
 525
 526         while (a = re.exec(str)) {
 527                 var m = a[1];
 528                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 529                 var pPrecision = a[6], pType = a[7];
 530
 531                 numMatches++;
 532
 533                 if (pType == '%') {
 534                         subst = '%';
 535                 }
 536                 else {
 537                         if (numSubstitutions < arguments.length) {
 538                                 var param = arguments[numSubstitutions++];
 539
 540                                 var pad = '';
 541                                 if (pPad && pPad.substr(0,1) == "'")
 542                                         pad = leftpart.substr(1,1);
 543                                 else if (pPad)
 544                                         pad = pPad;
 545                                 else
 546                                         pad = ' ';
 547
 548                                 var justifyRight = true;
 549                                 if (pJustify && pJustify === "-")
 550                                         justifyRight = false;
 551
 552                                 var minLength = -1;
 553                                 if (pMinLength)
 554                                         minLength = +pMinLength;
 555
 556                                 var precision = -1;
 557                                 if (pPrecision && pType == 'f')
 558                                         precision = +pPrecision.substring(1);
 559
 560                                 var subst = param;
 561
 562                                 switch(pType) {
 563                                         case 'b':
 564                                                 subst = Math.floor(+param || 0).toString(2);
 565                                                 break;
 566
 567                                         case 'c':
 568                                                 subst = String.fromCharCode(+param || 0);
 569                                                 break;
 570
 571                                         case 'd':
 572                                                 subst = Math.floor(+param || 0).toFixed(0);
 573                                                 break;
 574
 575                                         case 'u':
 576                                                 var n = +param || 0;
 577                                                 subst = Math.floor((n < 0) ? 0x100000000 + n : n).toFixed(0);
 578                                                 break;
 579
 580                                         case 'f':
 581                                                 subst = (precision > -1)
 582                                                         ? ((+param || 0.0)).toFixed(precision)
 583                                                         : (+param || 0.0);
 584                                                 break;
 585
 586                                         case 'o':
 587                                                 subst = Math.floor(+param || 0).toString(8);
 588                                                 break;
 589
 590                                         case 's':
 591                                                 subst = param;
 592                                                 break;
 593
 594                                         case 'x':
 595                                                 subst = Math.floor(+param || 0).toString(16).toLowerCase();
 596                                                 break;
 597
 598                                         case 'X':
 599                                                 subst = Math.floor(+param || 0).toString(16).toUpperCase();
 600                                                 break;
 601
 602                                         case 'h':
 603                                                 subst = esc(param, html_esc);
 604                                                 break;
 605
 606                                         case 'q':
 607                                                 subst = esc(param, quot_esc);
 608                                                 break;
 609
 610                                         case 't':
 611                                                 var td = 0;
 612                                                 var th = 0;
 613                                                 var tm = 0;
 614                                                 var ts = (param || 0);
 615
 616                                                 if (ts > 60) {
 617                                                         tm = Math.floor(ts / 60);
 618                                                         ts = (ts % 60);
 619                                                 }
 620
 621                                                 if (tm > 60) {
 622                                                         th = Math.floor(tm / 60);
 623                                                         tm = (tm % 60);
 624                                                 }
 625
 626                                                 if (th > 24) {
 627                                                         td = Math.floor(th / 24);
 628                                                         th = (th % 24);
 629                                                 }
 630
 631                                                 subst = (td > 0)
 632                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
 633                                                         : String.format('%dh %dm %ds', th, tm, ts);
 634
 635                                                 break;
 636
 637                                         case 'm':
 638                                                 var mf = pMinLength ? +pMinLength : 1000;
 639                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
 640
 641                                                 var i = 0;
 642                                                 var val = (+param || 0);
 643                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
 644
 645                                                 for (i = 0; (i < units.length) && (val > mf); i++)
 646                                                         val /= mf;
 647
 648                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
 649                                                 pMinLength = null;
 650                                                 break;
 651                                 }
 652                         }
 653                 }
 654
 655                 if (pMinLength) {
 656                         subst = subst.toString();
 657                         for (var i = subst.length; i < pMinLength; i++)
 658                                 if (pJustify == '-')
 659                                         subst = subst + ' ';
 660                                 else
 661                                         subst = pad + subst;
 662                 }
 663
 664                 out += leftpart + subst;
 665                 str = str.substr(m.length);
 666         }
 667
 668         return out + str;
 669 }
 670
 671 String.prototype.nobr = function()
 672 {
 673         return this.replace(/[\s\n]+/g, '&#160;');
 674 }
 675
 676 String.format = function()
 677 {
 678         var a = [ ];
 679
 680         for (var i = 1; i < arguments.length; i++)
 681                 a.push(arguments[i]);
 682
 683         return ''.format.apply(arguments[0], a);
 684 }
 685
 686 String.nobr = function()
 687 {
 688         var a = [ ];
 689
 690         for (var i = 1; i < arguments.length; i++)
 691                 a.push(arguments[i]);
 692
 693         return ''.nobr.apply(arguments[0], a);
 694 }
 695
 696 if (window.NodeList && !NodeList.prototype.forEach) {
 697         NodeList.prototype.forEach = function (callback, thisArg) {
 698                 thisArg = thisArg || window;
 699                 for (var i = 0; i < this.length; i++) {
 700                         callback.call(thisArg, this[i], i, this);
 701                 }
 702         };
 703 }
 704
 705 if (!window.requestAnimationFrame) {
 706         window.requestAnimationFrame = function(f) {
 707                 window.setTimeout(function() {
 708                         f(new Date().getTime())
 709                 }, 1000/30);
 710         };
 711 }
 712
 713
 714 function isElem(e) { return L.dom.elem(e) }
 715 function toElem(s) { return L.dom.parse(s) }
 716 function matchesElem(node, selector) { return L.dom.matches(node, selector) }
 717 function findParent(node, selector) { return L.dom.parent(node, selector) }
 718 function E() { return L.dom.create.apply(L.dom, arguments) }
 719
 720 if (typeof(window.CustomEvent) !== 'function') {
 721         function CustomEvent(event, params) {
 722                 params = params || { bubbles: false, cancelable: false, detail: undefined };
 723                 var evt = document.createEvent('CustomEvent');
 724                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
 725                 return evt;
 726         }
 727
 728         CustomEvent.prototype = window.Event.prototype;
 729         window.CustomEvent = CustomEvent;
 730 }
 731
 732 function cbi_dropdown_init(sb) {
 733         var dl = new L.ui.Dropdown(sb, null, { name: sb.getAttribute('name') });
 734         return dl.bind(sb);
 735 }
 736
 737 function cbi_update_table(table, data, placeholder) {
 738         var target = isElem(table) ? table : document.querySelector(table);
 739
 740         if (!isElem(target))
 741                 return;
 742
 743         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
 744                 var titles = [];
 745
 746                 thead.querySelectorAll('.th').forEach(function(th) {
 747                         titles.push(th);
 748                 });
 749
 750                 if (Array.isArray(data)) {
 751                         var n = 0, rows = target.querySelectorAll('.tr');
 752
 753                         data.forEach(function(row) {
 754                                 var trow = E('div', { 'class': 'tr' });
 755
 756                                 for (var i = 0; i < titles.length; i++) {
 757                                         var text = (titles[i].innerText || '').trim();
 758                                         var td = trow.appendChild(E('div', {
 759                                                 'class': titles[i].className,
 760                                                 'data-title': (text !== '') ? text : null
 761                                         }, row[i] || ''));
 762
 763                                         td.classList.remove('th');
 764                                         td.classList.add('td');
 765                                 }
 766
 767                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
 768
 769                                 if (rows[n])
 770                                         target.replaceChild(trow, rows[n]);
 771                                 else
 772                                         target.appendChild(trow);
 773                         });
 774
 775                         while (rows[++n])
 776                                 target.removeChild(rows[n]);
 777
 778                         if (placeholder && target.firstElementChild === target.lastElementChild) {
 779                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
 780                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
 781
 782                                 td.classList.remove('th');
 783                                 td.classList.add('td');
 784                         }
 785                 }
 786                 else {
 787                         thead.parentNode.style.display = 'none';
 788
 789                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
 790                                 if (trow !== thead) {
 791                                         var n = 0;
 792                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
 793                                                 if (n < titles.length) {
 794                                                         var text = (titles[n++].innerText || '').trim();
 795                                                         if (text !== '')
 796                                                                 td.setAttribute('data-title', text);
 797                                                 }
 798                                         });
 799                                 }
 800                         });
 801
 802                         thead.parentNode.style.display = '';
 803                 }
 804         });
 805 }
 806
 807 function showModal(title, children)
 808 {
 809         return L.showModal(title, children);
 810 }
 811
 812 function hideModal()
 813 {
 814         return L.hideModal();
 815 }
 816
 817
 818 document.addEventListener('DOMContentLoaded', function() {
 819         document.addEventListener('validation-failure', function(ev) {
 820                 if (ev.target === document.activeElement)
 821                         L.showTooltip(ev);
 822         });
 823
 824         document.addEventListener('validation-success', function(ev) {
 825                 if (ev.target === document.activeElement)
 826                         L.hideTooltip(ev);
 827         });
 828
 829         document.querySelectorAll('.table').forEach(cbi_update_table);
 830 });