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         var k = (c != null ? trimws(c) + '\u0001' : '') + trimws(s);
 105         return (window.TR && TR[sfh(k)]) || s;
 106 }
 107
 108 function N_(n, s, p, c) {
 109         if (plural_function == null && window.TR)
 110                 plural_function = new Function('n', (TR['00000000'] || 'plural=(n != 1);') + 'return +plural');
 111
 112         var i = plural_function ? plural_function(n) : (n != 1),
 113             k = (c != null ? trimws(c) + '\u0001' : '') + trimws(s) + '\u0002' + i.toString();
 114
 115         return (window.TR && TR[sfh(k)]) || (i ? p : s);
 116 }
 117
 118
 119 function cbi_d_add(field, dep, index) {
 120         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 121         if (obj) {
 122                 var entry
 123                 for (var i=0; i<cbi_d.length; i++) {
 124                         if (cbi_d[i].id == obj.id) {
 125                                 entry = cbi_d[i];
 126                                 break;
 127                         }
 128                 }
 129                 if (!entry) {
 130                         entry = {
 131                                 "node": obj,
 132                                 "id": obj.id,
 133                                 "parent": obj.parentNode.id,
 134                                 "deps": [],
 135                                 "index": index
 136                         };
 137                         cbi_d.unshift(entry);
 138                 }
 139                 entry.deps.push(dep)
 140         }
 141 }
 142
 143 function cbi_d_checkvalue(target, ref) {
 144         var value = null,
 145             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 146                     'select[id="'+target+'"], select[name="'+target+'"]';
 147
 148         document.querySelectorAll(query).forEach(function(i) {
 149                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 150                         value = i.value;
 151         });
 152
 153         return (((value !== null) ? value : "") == ref);
 154 }
 155
 156 function cbi_d_check(deps) {
 157         var reverse;
 158         var def = false;
 159         for (var i=0; i<deps.length; i++) {
 160                 var istat = true;
 161                 reverse = false;
 162                 for (var j in deps[i]) {
 163                         if (j == "!reverse") {
 164                                 reverse = true;
 165                         } else if (j == "!default") {
 166                                 def = true;
 167                                 istat = false;
 168                         } else {
 169                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 170                         }
 171                 }
 172
 173                 if (istat ^ reverse) {
 174                         return true;
 175                 }
 176         }
 177         return def;
 178 }
 179
 180 function cbi_d_update() {
 181         var state = false;
 182         for (var i=0; i<cbi_d.length; i++) {
 183                 var entry = cbi_d[i];
 184                 var node  = document.getElementById(entry.id);
 185                 var parent = document.getElementById(entry.parent);
 186
 187                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 188                         node.parentNode.removeChild(node);
 189                         state = true;
 190                 }
 191                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 192                         var next = undefined;
 193
 194                         for (next = parent.firstChild; next; next = next.nextSibling) {
 195                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 196                                         break;
 197                         }
 198
 199                         if (!next)
 200                                 parent.appendChild(entry.node);
 201                         else
 202                                 parent.insertBefore(entry.node, next);
 203
 204                         state = true;
 205                 }
 206
 207                 // hide optionals widget if no choices remaining
 208                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 209                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 210         }
 211
 212         if (entry && entry.parent)
 213                 cbi_tag_last(parent);
 214
 215         if (state)
 216                 cbi_d_update();
 217         else if (parent)
 218                 parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
 219 }
 220
 221 function cbi_init() {
 222         var nodes;
 223
 224         document.querySelectorAll('.cbi-dropdown').forEach(function(node) {
 225                 cbi_dropdown_init(node);
 226                 node.addEventListener('cbi-dropdown-change', cbi_d_update);
 227         });
 228
 229         nodes = document.querySelectorAll('[data-strings]');
 230
 231         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 232                 var str = JSON.parse(node.getAttribute('data-strings'));
 233                 for (var key in str) {
 234                         for (var key2 in str[key]) {
 235                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 236                                     dst[key2] = str[key][key2];
 237                         }
 238                 }
 239         }
 240
 241         nodes = document.querySelectorAll('[data-depends]');
 242
 243         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 244                 var index = parseInt(node.getAttribute('data-index'), 10);
 245                 var depends = JSON.parse(node.getAttribute('data-depends'));
 246                 if (!isNaN(index) && depends.length > 0) {
 247                         for (var alt = 0; alt < depends.length; alt++)
 248                                 cbi_d_add(node, depends[alt], index);
 249                 }
 250         }
 251
 252         nodes = document.querySelectorAll('[data-update]');
 253
 254         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 255                 var events = node.getAttribute('data-update').split(' ');
 256                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 257                         node.addEventListener(event, cbi_d_update);
 258         }
 259
 260         nodes = document.querySelectorAll('[data-choices]');
 261
 262         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 263                 var choices = JSON.parse(node.getAttribute('data-choices')),
 264                     options = {};
 265
 266                 for (var j = 0; j < choices[0].length; j++)
 267                         options[choices[0][j]] = choices[1][j];
 268
 269                 var def = (node.getAttribute('data-optional') === 'true')
 270                         ? node.placeholder || '' : null;
 271
 272                 var cb = new L.ui.Combobox(node.value, options, {
 273                         name: node.getAttribute('name'),
 274                         sort: choices[0],
 275                         select_placeholder: def || _('-- Please choose --'),
 276                         custom_placeholder: node.getAttribute('data-manual') || _('-- custom --')
 277                 });
 278
 279                 var n = cb.render();
 280                 n.addEventListener('cbi-dropdown-change', cbi_d_update);
 281                 node.parentNode.replaceChild(n, node);
 282         }
 283
 284         nodes = document.querySelectorAll('[data-dynlist]');
 285
 286         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 287                 var choices = JSON.parse(node.getAttribute('data-dynlist')),
 288                     values = JSON.parse(node.getAttribute('data-values') || '[]'),
 289                     options = null;
 290
 291                 if (choices[0] && choices[0].length) {
 292                         options = {};
 293
 294                         for (var j = 0; j < choices[0].length; j++)
 295                                 options[choices[0][j]] = choices[1][j];
 296                 }
 297
 298                 var dl = new L.ui.DynamicList(values, options, {
 299                         name: node.getAttribute('data-prefix'),
 300                         sort: choices[0],
 301                         datatype: choices[2],
 302                         optional: choices[3],
 303                         placeholder: node.getAttribute('data-placeholder')
 304                 });
 305
 306                 var n = dl.render();
 307                 n.addEventListener('cbi-dynlist-change', cbi_d_update);
 308                 node.parentNode.replaceChild(n, node);
 309         }
 310
 311         nodes = document.querySelectorAll('[data-type]');
 312
 313         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 314                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 315                                    node.getAttribute('data-type'));
 316         }
 317
 318         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 319                 s.parentNode.classList.add('cbi-tooltip-container');
 320         });
 321
 322         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 323                 var handler = function(ev) {
 324                         var bits = this.name.split(/\./),
 325                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 326
 327                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 328                 };
 329
 330                 i.addEventListener('mouseover', handler);
 331                 i.addEventListener('mouseout', handler);
 332         });
 333
 334         var tasks = [];
 335
 336         document.querySelectorAll('[data-ui-widget]').forEach(function(node) {
 337                 var args = JSON.parse(node.getAttribute('data-ui-widget') || '[]'),
 338                     widget = new (Function.prototype.bind.apply(L.ui[args[0]], args)),
 339                     markup = widget.render();
 340
 341                 tasks.push(Promise.resolve(markup).then(function(markup) {
 342                         markup.addEventListener('widget-change', cbi_d_update);
 343                         node.parentNode.replaceChild(markup, node);
 344                 }));
 345         });
 346
 347         Promise.all(tasks).then(cbi_d_update);
 348 }
 349
 350 function cbi_validate_form(form, errmsg)
 351 {
 352         /* if triggered by a section removal or addition, don't validate */
 353         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
 354                 return true;
 355
 356         if (form.cbi_validators) {
 357                 for (var i = 0; i < form.cbi_validators.length; i++) {
 358                         var validator = form.cbi_validators[i];
 359
 360                         if (!validator() && errmsg) {
 361                                 alert(errmsg);
 362                                 return false;
 363                         }
 364                 }
 365         }
 366
 367         return true;
 368 }
 369
 370 function cbi_validate_named_section_add(input)
 371 {
 372         var button = input.parentNode.parentNode.querySelector('.cbi-button-add');
 373         button.disabled = input.value === '';
 374 }
 375
 376 function cbi_validate_reset(form)
 377 {
 378         window.setTimeout(
 379                 function() { cbi_validate_form(form, null) }, 100
 380         );
 381
 382         return true;
 383 }
 384
 385 function cbi_validate_field(cbid, optional, type)
 386 {
 387         var field = isElem(cbid) ? cbid : document.getElementById(cbid);
 388         var validatorFn;
 389
 390         try {
 391                 var cbiValidator = L.validation.create(field, type, optional);
 392                 validatorFn = cbiValidator.validate.bind(cbiValidator);
 393         }
 394         catch(e) {
 395                 validatorFn = null;
 396         };
 397
 398         if (validatorFn !== null) {
 399                 var form = findParent(field, 'form');
 400
 401                 if (!form.cbi_validators)
 402                         form.cbi_validators = [ ];
 403
 404                 form.cbi_validators.push(validatorFn);
 405
 406                 field.addEventListener("blur",  validatorFn);
 407                 field.addEventListener("keyup", validatorFn);
 408                 field.addEventListener("cbi-dropdown-change", validatorFn);
 409
 410                 if (matchesElem(field, 'select')) {
 411                         field.addEventListener("change", validatorFn);
 412                         field.addEventListener("click",  validatorFn);
 413                 }
 414
 415                 validatorFn();
 416         }
 417 }
 418
 419 function cbi_row_swap(elem, up, store)
 420 {
 421         var tr = findParent(elem.parentNode, '.cbi-section-table-row');
 422
 423         if (!tr)
 424                 return false;
 425
 426         tr.classList.remove('flash');
 427
 428         if (up) {
 429                 var prev = tr.previousElementSibling;
 430
 431                 if (prev && prev.classList.contains('cbi-section-table-row'))
 432                         tr.parentNode.insertBefore(tr, prev);
 433                 else
 434                         return;
 435         }
 436         else {
 437                 var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
 438
 439                 if (next && next.classList.contains('cbi-section-table-row'))
 440                         tr.parentNode.insertBefore(tr, next);
 441                 else if (!next)
 442                         tr.parentNode.appendChild(tr);
 443                 else
 444                         return;
 445         }
 446
 447         var ids = [ ];
 448
 449         for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
 450                 var node = tr.parentNode.childNodes[i];
 451                 if (node.classList && node.classList.contains('cbi-section-table-row')) {
 452                         node.classList.remove('cbi-rowstyle-1');
 453                         node.classList.remove('cbi-rowstyle-2');
 454                         node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
 455
 456                         if (/-([^\-]+)$/.test(node.id))
 457                                 ids.push(RegExp.$1);
 458                 }
 459         }
 460
 461         var input = document.getElementById(store);
 462         if (input)
 463                 input.value = ids.join(' ');
 464
 465         window.scrollTo(0, tr.offsetTop);
 466         void tr.offsetWidth;
 467         tr.classList.add('flash');
 468
 469         return false;
 470 }
 471
 472 function cbi_tag_last(container)
 473 {
 474         var last;
 475
 476         for (var i = 0; i < container.childNodes.length; i++) {
 477                 var c = container.childNodes[i];
 478                 if (matchesElem(c, 'div')) {
 479                         c.classList.remove('cbi-value-last');
 480                         last = c;
 481                 }
 482         }
 483
 484         if (last)
 485                 last.classList.add('cbi-value-last');
 486 }
 487
 488 function cbi_submit(elem, name, value, action)
 489 {
 490         var form = elem.form || findParent(elem, 'form');
 491
 492         if (!form)
 493                 return false;
 494
 495         if (action)
 496                 form.action = action;
 497
 498         if (name) {
 499                 var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
 500                         E('input', { type: 'hidden', name: name });
 501
 502                 hidden.value = value || '1';
 503                 form.appendChild(hidden);
 504         }
 505
 506         form.submit();
 507         return true;
 508 }
 509
 510 String.prototype.format = function()
 511 {
 512         if (!RegExp)
 513                 return;
 514
 515         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 516         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 517
 518         function esc(s, r) {
 519                 var t = typeof(s);
 520
 521                 if (s == null || t === 'object' || t === 'function')
 522                         return '';
 523
 524                 if (t !== 'string')
 525                         s = String(s);
 526
 527                 for (var i = 0; i < r.length; i += 2)
 528                         s = s.replace(r[i], r[i+1]);
 529
 530                 return s;
 531         }
 532
 533         var str = this;
 534         var out = '';
 535         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
 536         var a = b = [], numSubstitutions = 0, numMatches = 0;
 537
 538         while (a = re.exec(str)) {
 539                 var m = a[1];
 540                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 541                 var pPrecision = a[6], pType = a[7];
 542
 543                 numMatches++;
 544
 545                 if (pType == '%') {
 546                         subst = '%';
 547                 }
 548                 else {
 549                         if (numSubstitutions < arguments.length) {
 550                                 var param = arguments[numSubstitutions++];
 551
 552                                 var pad = '';
 553                                 if (pPad && pPad.substr(0,1) == "'")
 554                                         pad = leftpart.substr(1,1);
 555                                 else if (pPad)
 556                                         pad = pPad;
 557                                 else
 558                                         pad = ' ';
 559
 560                                 var justifyRight = true;
 561                                 if (pJustify && pJustify === "-")
 562                                         justifyRight = false;
 563
 564                                 var minLength = -1;
 565                                 if (pMinLength)
 566                                         minLength = +pMinLength;
 567
 568                                 var precision = -1;
 569                                 if (pPrecision && pType == 'f')
 570                                         precision = +pPrecision.substring(1);
 571
 572                                 var subst = param;
 573
 574                                 switch(pType) {
 575                                         case 'b':
 576                                                 subst = Math.floor(+param || 0).toString(2);
 577                                                 break;
 578
 579                                         case 'c':
 580                                                 subst = String.fromCharCode(+param || 0);
 581                                                 break;
 582
 583                                         case 'd':
 584                                                 subst = Math.floor(+param || 0).toFixed(0);
 585                                                 break;
 586
 587                                         case 'u':
 588                                                 var n = +param || 0;
 589                                                 subst = Math.floor((n < 0) ? 0x100000000 + n : n).toFixed(0);
 590                                                 break;
 591
 592                                         case 'f':
 593                                                 subst = (precision > -1)
 594                                                         ? ((+param || 0.0)).toFixed(precision)
 595                                                         : (+param || 0.0);
 596                                                 break;
 597
 598                                         case 'o':
 599                                                 subst = Math.floor(+param || 0).toString(8);
 600                                                 break;
 601
 602                                         case 's':
 603                                                 subst = param;
 604                                                 break;
 605
 606                                         case 'x':
 607                                                 subst = Math.floor(+param || 0).toString(16).toLowerCase();
 608                                                 break;
 609
 610                                         case 'X':
 611                                                 subst = Math.floor(+param || 0).toString(16).toUpperCase();
 612                                                 break;
 613
 614                                         case 'h':
 615                                                 subst = esc(param, html_esc);
 616                                                 break;
 617
 618                                         case 'q':
 619                                                 subst = esc(param, quot_esc);
 620                                                 break;
 621
 622                                         case 't':
 623                                                 var td = 0;
 624                                                 var th = 0;
 625                                                 var tm = 0;
 626                                                 var ts = (param || 0);
 627
 628                                                 if (ts > 59) {
 629                                                         tm = Math.floor(ts / 60);
 630                                                         ts = (ts % 60);
 631                                                 }
 632
 633                                                 if (tm > 59) {
 634                                                         th = Math.floor(tm / 60);
 635                                                         tm = (tm % 60);
 636                                                 }
 637
 638                                                 if (th > 23) {
 639                                                         td = Math.floor(th / 24);
 640                                                         th = (th % 24);
 641                                                 }
 642
 643                                                 subst = (td > 0)
 644                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
 645                                                         : String.format('%dh %dm %ds', th, tm, ts);
 646
 647                                                 break;
 648
 649                                         case 'm':
 650                                                 var mf = pMinLength ? +pMinLength : 1000;
 651                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
 652
 653                                                 var i = 0;
 654                                                 var val = (+param || 0);
 655                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
 656
 657                                                 for (i = 0; (i < units.length) && (val > mf); i++)
 658                                                         val /= mf;
 659
 660                                                 if (i)
 661                                                         subst = val.toFixed(pr) + units[i] + (mf == 1024 ? 'i' : '');
 662                                                 else
 663                                                         subst = val + ' ';
 664
 665                                                 pMinLength = null;
 666                                                 break;
 667                                 }
 668                         }
 669                 }
 670
 671                 if (pMinLength) {
 672                         subst = subst.toString();
 673                         for (var i = subst.length; i < pMinLength; i++)
 674                                 if (pJustify == '-')
 675                                         subst = subst + ' ';
 676                                 else
 677                                         subst = pad + subst;
 678                 }
 679
 680                 out += leftpart + subst;
 681                 str = str.substr(m.length);
 682         }
 683
 684         return out + str;
 685 }
 686
 687 String.prototype.nobr = function()
 688 {
 689         return this.replace(/[\s\n]+/g, '&#160;');
 690 }
 691
 692 String.format = function()
 693 {
 694         var a = [ ];
 695
 696         for (var i = 1; i < arguments.length; i++)
 697                 a.push(arguments[i]);
 698
 699         return ''.format.apply(arguments[0], a);
 700 }
 701
 702 String.nobr = function()
 703 {
 704         var a = [ ];
 705
 706         for (var i = 1; i < arguments.length; i++)
 707                 a.push(arguments[i]);
 708
 709         return ''.nobr.apply(arguments[0], a);
 710 }
 711
 712 if (window.NodeList && !NodeList.prototype.forEach) {
 713         NodeList.prototype.forEach = function (callback, thisArg) {
 714                 thisArg = thisArg || window;
 715                 for (var i = 0; i < this.length; i++) {
 716                         callback.call(thisArg, this[i], i, this);
 717                 }
 718         };
 719 }
 720
 721 if (!window.requestAnimationFrame) {
 722         window.requestAnimationFrame = function(f) {
 723                 window.setTimeout(function() {
 724                         f(new Date().getTime())
 725                 }, 1000/30);
 726         };
 727 }
 728
 729
 730 function isElem(e) { return L.dom.elem(e) }
 731 function toElem(s) { return L.dom.parse(s) }
 732 function matchesElem(node, selector) { return L.dom.matches(node, selector) }
 733 function findParent(node, selector) { return L.dom.parent(node, selector) }
 734 function E() { return L.dom.create.apply(L.dom, arguments) }
 735
 736 if (typeof(window.CustomEvent) !== 'function') {
 737         function CustomEvent(event, params) {
 738                 params = params || { bubbles: false, cancelable: false, detail: undefined };
 739                 var evt = document.createEvent('CustomEvent');
 740                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
 741                 return evt;
 742         }
 743
 744         CustomEvent.prototype = window.Event.prototype;
 745         window.CustomEvent = CustomEvent;
 746 }
 747
 748 function cbi_dropdown_init(sb) {
 749         if (sb && L.dom.findClassInstance(sb) instanceof L.ui.Dropdown)
 750                 return;
 751
 752         var dl = new L.ui.Dropdown(sb, null, { name: sb.getAttribute('name') });
 753         return dl.bind(sb);
 754 }
 755
 756 function cbi_update_table(table, data, placeholder) {
 757         var target = isElem(table) ? table : document.querySelector(table);
 758
 759         if (!isElem(target))
 760                 return;
 761
 762         var t = L.dom.findClassInstance(target);
 763
 764         if (!(t instanceof L.ui.Table)) {
 765                 t = new L.ui.Table(target);
 766                 L.dom.bindClassInstance(target, t);
 767         }
 768
 769         t.update(data, placeholder);
 770 }
 771
 772 function showModal(title, children)
 773 {
 774         return L.showModal(title, children);
 775 }
 776
 777 function hideModal()
 778 {
 779         return L.hideModal();
 780 }
 781
 782
 783 document.addEventListener('DOMContentLoaded', function() {
 784         document.addEventListener('validation-failure', function(ev) {
 785                 if (ev.target === document.activeElement)
 786                         L.showTooltip(ev);
 787         });
 788
 789         document.addEventListener('validation-success', function(ev) {
 790                 if (ev.target === document.activeElement)
 791                         L.hideTooltip(ev);
 792         });
 793
 794         L.require('ui').then(function(ui) {
 795                 document.querySelectorAll('.table').forEach(cbi_update_table);
 796         });
 797 });