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
 102 function cbi_d_add(field, dep, index) {
 103         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 104         if (obj) {
 105                 var entry
 106                 for (var i=0; i<cbi_d.length; i++) {
 107                         if (cbi_d[i].id == obj.id) {
 108                                 entry = cbi_d[i];
 109                                 break;
 110                         }
 111                 }
 112                 if (!entry) {
 113                         entry = {
 114                                 "node": obj,
 115                                 "id": obj.id,
 116                                 "parent": obj.parentNode.id,
 117                                 "deps": [],
 118                                 "index": index
 119                         };
 120                         cbi_d.unshift(entry);
 121                 }
 122                 entry.deps.push(dep)
 123         }
 124 }
 125
 126 function cbi_d_checkvalue(target, ref) {
 127         var value = null,
 128             query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
 129                     'select[id="'+target+'"], select[name="'+target+'"]';
 130
 131         document.querySelectorAll(query).forEach(function(i) {
 132                 if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
 133                         value = i.value;
 134         });
 135
 136         return (((value !== null) ? value : "") == ref);
 137 }
 138
 139 function cbi_d_check(deps) {
 140         var reverse;
 141         var def = false;
 142         for (var i=0; i<deps.length; i++) {
 143                 var istat = true;
 144                 reverse = false;
 145                 for (var j in deps[i]) {
 146                         if (j == "!reverse") {
 147                                 reverse = true;
 148                         } else if (j == "!default") {
 149                                 def = true;
 150                                 istat = false;
 151                         } else {
 152                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 153                         }
 154                 }
 155
 156                 if (istat ^ reverse) {
 157                         return true;
 158                 }
 159         }
 160         return def;
 161 }
 162
 163 function cbi_d_update() {
 164         var state = false;
 165         for (var i=0; i<cbi_d.length; i++) {
 166                 var entry = cbi_d[i];
 167                 var node  = document.getElementById(entry.id);
 168                 var parent = document.getElementById(entry.parent);
 169
 170                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 171                         node.parentNode.removeChild(node);
 172                         state = true;
 173                 }
 174                 else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 175                         var next = undefined;
 176
 177                         for (next = parent.firstChild; next; next = next.nextSibling) {
 178                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
 179                                         break;
 180                         }
 181
 182                         if (!next)
 183                                 parent.appendChild(entry.node);
 184                         else
 185                                 parent.insertBefore(entry.node, next);
 186
 187                         state = true;
 188                 }
 189
 190                 // hide optionals widget if no choices remaining
 191                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 192                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 193         }
 194
 195         if (entry && entry.parent)
 196                 cbi_tag_last(parent);
 197
 198         if (state)
 199                 cbi_d_update();
 200         else if (parent)
 201                 parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
 202 }
 203
 204 function cbi_init() {
 205         var nodes;
 206
 207         document.querySelectorAll('.cbi-dropdown').forEach(function(node) {
 208                 cbi_dropdown_init(node);
 209                 node.addEventListener('cbi-dropdown-change', cbi_d_update);
 210         });
 211
 212         nodes = document.querySelectorAll('[data-strings]');
 213
 214         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 215                 var str = JSON.parse(node.getAttribute('data-strings'));
 216                 for (var key in str) {
 217                         for (var key2 in str[key]) {
 218                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 219                                     dst[key2] = str[key][key2];
 220                         }
 221                 }
 222         }
 223
 224         nodes = document.querySelectorAll('[data-depends]');
 225
 226         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 227                 var index = parseInt(node.getAttribute('data-index'), 10);
 228                 var depends = JSON.parse(node.getAttribute('data-depends'));
 229                 if (!isNaN(index) && depends.length > 0) {
 230                         for (var alt = 0; alt < depends.length; alt++)
 231                                 cbi_d_add(node, depends[alt], index);
 232                 }
 233         }
 234
 235         nodes = document.querySelectorAll('[data-update]');
 236
 237         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 238                 var events = node.getAttribute('data-update').split(' ');
 239                 for (var j = 0, event; (event = events[j]) !== undefined; j++)
 240                         node.addEventListener(event, cbi_d_update);
 241         }
 242
 243         nodes = document.querySelectorAll('[data-choices]');
 244
 245         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 246                 var choices = JSON.parse(node.getAttribute('data-choices')),
 247                     options = {};
 248
 249                 for (var j = 0; j < choices[0].length; j++)
 250                         options[choices[0][j]] = choices[1][j];
 251
 252                 var def = (node.getAttribute('data-optional') === 'true')
 253                         ? node.placeholder || '' : null;
 254
 255                 var cb = new L.ui.Combobox(node.value, options, {
 256                         name: node.getAttribute('name'),
 257                         sort: choices[0],
 258                         select_placeholder: def || _('-- Please choose --'),
 259                         custom_placeholder: node.getAttribute('data-manual') || _('-- custom --')
 260                 });
 261
 262                 var n = cb.render();
 263                 n.addEventListener('cbi-dropdown-change', cbi_d_update);
 264                 node.parentNode.replaceChild(n, node);
 265         }
 266
 267         nodes = document.querySelectorAll('[data-dynlist]');
 268
 269         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 270                 var choices = JSON.parse(node.getAttribute('data-dynlist')),
 271                     values = JSON.parse(node.getAttribute('data-values') || '[]'),
 272                     options = null;
 273
 274                 if (choices[0] && choices[0].length) {
 275                         options = {};
 276
 277                         for (var j = 0; j < choices[0].length; j++)
 278                                 options[choices[0][j]] = choices[1][j];
 279                 }
 280
 281                 var dl = new L.ui.DynamicList(values, options, {
 282                         name: node.getAttribute('data-prefix'),
 283                         sort: choices[0],
 284                         datatype: choices[2],
 285                         optional: choices[3],
 286                         placeholder: node.getAttribute('data-placeholder')
 287                 });
 288
 289                 var n = dl.render();
 290                 n.addEventListener('cbi-dynlist-change', cbi_d_update);
 291                 node.parentNode.replaceChild(n, node);
 292         }
 293
 294         nodes = document.querySelectorAll('[data-type]');
 295
 296         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 297                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 298                                    node.getAttribute('data-type'));
 299         }
 300
 301         document.querySelectorAll('[data-browser]').forEach(cbi_browser_init);
 302
 303         document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
 304                 s.parentNode.classList.add('cbi-tooltip-container');
 305         });
 306
 307         document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
 308                 var handler = function(ev) {
 309                         var bits = this.name.split(/\./),
 310                             section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
 311
 312                     section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
 313                 };
 314
 315                 i.addEventListener('mouseover', handler);
 316                 i.addEventListener('mouseout', handler);
 317         });
 318
 319         document.querySelectorAll('[data-ui-widget]').forEach(function(node) {
 320                 var args = JSON.parse(node.getAttribute('data-ui-widget') || '[]'),
 321                     widget = new (Function.prototype.bind.apply(L.ui[args[0]], args)),
 322                     markup = widget.render();
 323
 324                 Promise.resolve(markup).then(function(markup) {
 325                         markup.addEventListener('widget-change', cbi_d_update);
 326                         node.parentNode.replaceChild(markup, node);
 327                 });
 328         });
 329
 330         cbi_d_update();
 331 }
 332
 333 function cbi_filebrowser(id, defpath) {
 334         var field   = L.dom.elem(id) ? id : document.getElementById(id);
 335         var browser = window.open(
 336                 cbi_strings.path.browser + (field.value || defpath || '') + '?field=' + field.id,
 337                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 338         );
 339
 340         browser.focus();
 341 }
 342
 343 function cbi_browser_init(field)
 344 {
 345         field.parentNode.insertBefore(
 346                 E('img', {
 347                         'src': L.resource('cbi/folder.gif'),
 348                         'class': 'cbi-image-button',
 349                         'click': function(ev) {
 350                                 cbi_filebrowser(field, field.getAttribute('data-browser'));
 351                                 ev.preventDefault();
 352                         }
 353                 }), field.nextSibling);
 354 }
 355
 356 function cbi_validate_form(form, errmsg)
 357 {
 358         /* if triggered by a section removal or addition, don't validate */
 359         if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
 360                 return true;
 361
 362         if (form.cbi_validators) {
 363                 for (var i = 0; i < form.cbi_validators.length; i++) {
 364                         var validator = form.cbi_validators[i];
 365
 366                         if (!validator() && errmsg) {
 367                                 alert(errmsg);
 368                                 return false;
 369                         }
 370                 }
 371         }
 372
 373         return true;
 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                 if (typeof(s) !== 'string' && !(s instanceof String))
 520                         return '';
 521
 522                 for (var i = 0; i < r.length; i += 2)
 523                         s = s.replace(r[i], r[i+1]);
 524
 525                 return s;
 526         }
 527
 528         var str = this;
 529         var out = '';
 530         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
 531         var a = b = [], numSubstitutions = 0, numMatches = 0;
 532
 533         while (a = re.exec(str)) {
 534                 var m = a[1];
 535                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 536                 var pPrecision = a[6], pType = a[7];
 537
 538                 numMatches++;
 539
 540                 if (pType == '%') {
 541                         subst = '%';
 542                 }
 543                 else {
 544                         if (numSubstitutions < arguments.length) {
 545                                 var param = arguments[numSubstitutions++];
 546
 547                                 var pad = '';
 548                                 if (pPad && pPad.substr(0,1) == "'")
 549                                         pad = leftpart.substr(1,1);
 550                                 else if (pPad)
 551                                         pad = pPad;
 552                                 else
 553                                         pad = ' ';
 554
 555                                 var justifyRight = true;
 556                                 if (pJustify && pJustify === "-")
 557                                         justifyRight = false;
 558
 559                                 var minLength = -1;
 560                                 if (pMinLength)
 561                                         minLength = +pMinLength;
 562
 563                                 var precision = -1;
 564                                 if (pPrecision && pType == 'f')
 565                                         precision = +pPrecision.substring(1);
 566
 567                                 var subst = param;
 568
 569                                 switch(pType) {
 570                                         case 'b':
 571                                                 subst = Math.floor(+param || 0).toString(2);
 572                                                 break;
 573
 574                                         case 'c':
 575                                                 subst = String.fromCharCode(+param || 0);
 576                                                 break;
 577
 578                                         case 'd':
 579                                                 subst = Math.floor(+param || 0).toFixed(0);
 580                                                 break;
 581
 582                                         case 'u':
 583                                                 var n = +param || 0;
 584                                                 subst = Math.floor((n < 0) ? 0x100000000 + n : n).toFixed(0);
 585                                                 break;
 586
 587                                         case 'f':
 588                                                 subst = (precision > -1)
 589                                                         ? ((+param || 0.0)).toFixed(precision)
 590                                                         : (+param || 0.0);
 591                                                 break;
 592
 593                                         case 'o':
 594                                                 subst = Math.floor(+param || 0).toString(8);
 595                                                 break;
 596
 597                                         case 's':
 598                                                 subst = param;
 599                                                 break;
 600
 601                                         case 'x':
 602                                                 subst = Math.floor(+param || 0).toString(16).toLowerCase();
 603                                                 break;
 604
 605                                         case 'X':
 606                                                 subst = Math.floor(+param || 0).toString(16).toUpperCase();
 607                                                 break;
 608
 609                                         case 'h':
 610                                                 subst = esc(param, html_esc);
 611                                                 break;
 612
 613                                         case 'q':
 614                                                 subst = esc(param, quot_esc);
 615                                                 break;
 616
 617                                         case 't':
 618                                                 var td = 0;
 619                                                 var th = 0;
 620                                                 var tm = 0;
 621                                                 var ts = (param || 0);
 622
 623                                                 if (ts > 60) {
 624                                                         tm = Math.floor(ts / 60);
 625                                                         ts = (ts % 60);
 626                                                 }
 627
 628                                                 if (tm > 60) {
 629                                                         th = Math.floor(tm / 60);
 630                                                         tm = (tm % 60);
 631                                                 }
 632
 633                                                 if (th > 24) {
 634                                                         td = Math.floor(th / 24);
 635                                                         th = (th % 24);
 636                                                 }
 637
 638                                                 subst = (td > 0)
 639                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
 640                                                         : String.format('%dh %dm %ds', th, tm, ts);
 641
 642                                                 break;
 643
 644                                         case 'm':
 645                                                 var mf = pMinLength ? +pMinLength : 1000;
 646                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
 647
 648                                                 var i = 0;
 649                                                 var val = (+param || 0);
 650                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
 651
 652                                                 for (i = 0; (i < units.length) && (val > mf); i++)
 653                                                         val /= mf;
 654
 655                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
 656                                                 pMinLength = null;
 657                                                 break;
 658                                 }
 659                         }
 660                 }
 661
 662                 if (pMinLength) {
 663                         subst = subst.toString();
 664                         for (var i = subst.length; i < pMinLength; i++)
 665                                 if (pJustify == '-')
 666                                         subst = subst + ' ';
 667                                 else
 668                                         subst = pad + subst;
 669                 }
 670
 671                 out += leftpart + subst;
 672                 str = str.substr(m.length);
 673         }
 674
 675         return out + str;
 676 }
 677
 678 String.prototype.nobr = function()
 679 {
 680         return this.replace(/[\s\n]+/g, '&#160;');
 681 }
 682
 683 String.format = function()
 684 {
 685         var a = [ ];
 686
 687         for (var i = 1; i < arguments.length; i++)
 688                 a.push(arguments[i]);
 689
 690         return ''.format.apply(arguments[0], a);
 691 }
 692
 693 String.nobr = function()
 694 {
 695         var a = [ ];
 696
 697         for (var i = 1; i < arguments.length; i++)
 698                 a.push(arguments[i]);
 699
 700         return ''.nobr.apply(arguments[0], a);
 701 }
 702
 703 if (window.NodeList && !NodeList.prototype.forEach) {
 704         NodeList.prototype.forEach = function (callback, thisArg) {
 705                 thisArg = thisArg || window;
 706                 for (var i = 0; i < this.length; i++) {
 707                         callback.call(thisArg, this[i], i, this);
 708                 }
 709         };
 710 }
 711
 712 if (!window.requestAnimationFrame) {
 713         window.requestAnimationFrame = function(f) {
 714                 window.setTimeout(function() {
 715                         f(new Date().getTime())
 716                 }, 1000/30);
 717         };
 718 }
 719
 720
 721 function isElem(e) { return L.dom.elem(e) }
 722 function toElem(s) { return L.dom.parse(s) }
 723 function matchesElem(node, selector) { return L.dom.matches(node, selector) }
 724 function findParent(node, selector) { return L.dom.parent(node, selector) }
 725 function E() { return L.dom.create.apply(L.dom, arguments) }
 726
 727 if (typeof(window.CustomEvent) !== 'function') {
 728         function CustomEvent(event, params) {
 729                 params = params || { bubbles: false, cancelable: false, detail: undefined };
 730                 var evt = document.createEvent('CustomEvent');
 731                     evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
 732                 return evt;
 733         }
 734
 735         CustomEvent.prototype = window.Event.prototype;
 736         window.CustomEvent = CustomEvent;
 737 }
 738
 739 function cbi_dropdown_init(sb) {
 740         var dl = new L.ui.Dropdown(sb, null, { name: sb.getAttribute('name') });
 741         return dl.bind(sb);
 742 }
 743
 744 function cbi_update_table(table, data, placeholder) {
 745         var target = isElem(table) ? table : document.querySelector(table);
 746
 747         if (!isElem(target))
 748                 return;
 749
 750         target.querySelectorAll('.tr.table-titles, .cbi-section-table-titles').forEach(function(thead) {
 751                 var titles = [];
 752
 753                 thead.querySelectorAll('.th').forEach(function(th) {
 754                         titles.push(th);
 755                 });
 756
 757                 if (Array.isArray(data)) {
 758                         var n = 0, rows = target.querySelectorAll('.tr');
 759
 760                         data.forEach(function(row) {
 761                                 var trow = E('div', { 'class': 'tr' });
 762
 763                                 for (var i = 0; i < titles.length; i++) {
 764                                         var text = (titles[i].innerText || '').trim();
 765                                         var td = trow.appendChild(E('div', {
 766                                                 'class': titles[i].className,
 767                                                 'data-title': (text !== '') ? text : null
 768                                         }, row[i] || ''));
 769
 770                                         td.classList.remove('th');
 771                                         td.classList.add('td');
 772                                 }
 773
 774                                 trow.classList.add('cbi-rowstyle-%d'.format((n++ % 2) ? 2 : 1));
 775
 776                                 if (rows[n])
 777                                         target.replaceChild(trow, rows[n]);
 778                                 else
 779                                         target.appendChild(trow);
 780                         });
 781
 782                         while (rows[++n])
 783                                 target.removeChild(rows[n]);
 784
 785                         if (placeholder && target.firstElementChild === target.lastElementChild) {
 786                                 var trow = target.appendChild(E('div', { 'class': 'tr placeholder' }));
 787                                 var td = trow.appendChild(E('div', { 'class': titles[0].className }, placeholder));
 788
 789                                 td.classList.remove('th');
 790                                 td.classList.add('td');
 791                         }
 792                 }
 793                 else {
 794                         thead.parentNode.style.display = 'none';
 795
 796                         thead.parentNode.querySelectorAll('.tr, .cbi-section-table-row').forEach(function(trow) {
 797                                 if (trow !== thead) {
 798                                         var n = 0;
 799                                         trow.querySelectorAll('.th, .td').forEach(function(td) {
 800                                                 if (n < titles.length) {
 801                                                         var text = (titles[n++].innerText || '').trim();
 802                                                         if (text !== '')
 803                                                                 td.setAttribute('data-title', text);
 804                                                 }
 805                                         });
 806                                 }
 807                         });
 808
 809                         thead.parentNode.style.display = '';
 810                 }
 811         });
 812 }
 813
 814 function showModal(title, children)
 815 {
 816         return L.showModal(title, children);
 817 }
 818
 819 function hideModal()
 820 {
 821         return L.hideModal();
 822 }
 823
 824
 825 document.addEventListener('DOMContentLoaded', function() {
 826         document.addEventListener('validation-failure', function(ev) {
 827                 if (ev.target === document.activeElement)
 828                         L.showTooltip(ev);
 829         });
 830
 831         document.addEventListener('validation-success', function(ev) {
 832                 if (ev.target === document.activeElement)
 833                         L.hideTooltip(ev);
 834         });
 835
 836         document.querySelectorAll('.table').forEach(cbi_update_table);
 837 });