modules/luci-base/htdocs/luci-static/resources/cbi.js

   1 /*
   2         LuCI - Lua Configuration Interface
   3
   4         Copyright 2008 Steven Barth <steven@midlink.org>
   5         Copyright 2008-2012 Jo-Philipp Wich <jow@openwrt.org>
   6
   7         Licensed under the Apache License, Version 2.0 (the "License");
   8         you may not use this file except in compliance with the License.
   9         You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12 */
  13
  14 var cbi_d = [];
  15 var cbi_t = [];
  16 var cbi_strings = { path: {}, label: {} };
  17
  18 function Int(x) {
  19         return (/^-?\d+$/.test(x) ? +x : NaN);
  20 }
  21
  22 function Dec(x) {
  23         return (/^-?\d+(?:\.\d+)?$/.test(x) ? +x : NaN);
  24 }
  25
  26 var cbi_validators = {
  27
  28         'integer': function()
  29         {
  30                 return !!Int(this);
  31         },
  32
  33         'uinteger': function()
  34         {
  35                 return (Int(this) >= 0);
  36         },
  37
  38         'float': function()
  39         {
  40                 return !!Dec(this);
  41         },
  42
  43         'ufloat': function()
  44         {
  45                 return (Dec(this) >= 0);
  46         },
  47
  48         'ipaddr': function()
  49         {
  50                 return cbi_validators.ip4addr.apply(this) ||
  51                         cbi_validators.ip6addr.apply(this);
  52         },
  53
  54         'ip4addr': function()
  55         {
  56                 if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
  57                 {
  58                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  59                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  60                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  61                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  62                                ((RegExp.$6.indexOf('.') < 0)
  63                                   ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
  64                                   : (cbi_validators.ip4addr.apply(RegExp.$6)))
  65                         ;
  66                 }
  67
  68                 return false;
  69         },
  70
  71         'ip6addr': function()
  72         {
  73                 if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  74                 {
  75                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  76                         {
  77                                 var addr = RegExp.$1;
  78
  79                                 if( addr == '::' )
  80                                 {
  81                                         return true;
  82                                 }
  83
  84                                 if( addr.indexOf('.') > 0 )
  85                                 {
  86                                         var off = addr.lastIndexOf(':');
  87
  88                                         if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
  89                                                 return false;
  90
  91                                         addr = addr.substr(0, off) + ':0:0';
  92                                 }
  93
  94                                 if( addr.indexOf('::') >= 0 )
  95                                 {
  96                                         var colons = 0;
  97                                         var fill = '0';
  98
  99                                         for( var i = 1; i < (addr.length-1); i++ )
 100                                                 if( addr.charAt(i) == ':' )
 101                                                         colons++;
 102
 103                                         if( colons > 7 )
 104                                                 return false;
 105
 106                                         for( var i = 0; i < (7 - colons); i++ )
 107                                                 fill += ':0';
 108
 109                                         if (addr.match(/^(.*?)::(.*?)$/))
 110                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 111                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 112                                 }
 113
 114                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 115                         }
 116                 }
 117
 118                 return false;
 119         },
 120
 121         'port': function()
 122         {
 123                 var p = Int(this);
 124                 return (p >= 0 && p <= 65535);
 125         },
 126
 127         'portrange': function()
 128         {
 129                 if (this.match(/^(\d+)-(\d+)$/))
 130                 {
 131                         var p1 = +RegExp.$1;
 132                         var p2 = +RegExp.$2;
 133                         return (p1 <= p2 && p2 <= 65535);
 134                 }
 135
 136                 return cbi_validators.port.apply(this);
 137         },
 138
 139         'macaddr': function()
 140         {
 141                 return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 142         },
 143
 144         'host': function(ipv4only)
 145         {
 146                 return cbi_validators.hostname.apply(this) ||
 147                         ((ipv4only != 1) && cbi_validators.ipaddr.apply(this)) ||
 148                         ((ipv4only == 1) && cb_validators.ip4addr.apply(this));
 149         },
 150
 151         'hostname': function()
 152         {
 153                 if (this.length <= 253)
 154                         return (this.match(/^[a-zA-Z0-9]+$/) != null ||
 155                                 (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 156                                  this.match(/[^0-9.]/)));
 157
 158                 return false;
 159         },
 160
 161         'network': function()
 162         {
 163                 return cbi_validators.uciname.apply(this) ||
 164                         cbi_validators.host.apply(this);
 165         },
 166
 167         'hostport': function(ipv4only)
 168         {
 169                 var hp = this.split(/:/);
 170
 171                 if (hp.length == 2)
 172                         return (cbi_validators.host.apply(hp[0], ipv4only) &&
 173                                 cbi_validators.port.apply(hp[1]));
 174
 175                 return false;
 176         },
 177
 178         'ip4addrport': function()
 179         {
 180                 var hp = this.split(/:/);
 181
 182                 if (hp.length == 2)
 183                         return (cbi_validators.ipaddr.apply(hp[0]) &&
 184                                 cbi_validators.port.apply(hp[1]));
 185                 return false;
 186         },
 187
 188         'ipaddrport': function(bracket)
 189         {
 190                 if (this.match(/^([^\[\]:]+):([^:]+)$/)) {
 191                         var addr = RegExp.$1
 192                         var port = RegExp.$2
 193                         return (cbi_validators.ip4addr.apply(addr) &&
 194                                 cbi_validators.port.apply(port));
 195                 } else if ((bracket == 1) && (this.match(/^\[(.+)\]:([^:]+)$/))) {
 196                         var addr = RegExp.$1
 197                         var port = RegExp.$2
 198                         return (cbi_validators.ip6addr.apply(addr) &&
 199                                 cbi_validators.port.apply(port));
 200                 } else if ((bracket != 1) && (this.match(/^([^\[\]]+):([^:]+)$/))) {
 201                         var addr = RegExp.$1
 202                         var port = RegExp.$2
 203                         return (cbi_validators.ip6addr.apply(addr) &&
 204                                 cbi_validators.port.apply(port));
 205                 } else {
 206                         return false;
 207                 }
 208         },
 209
 210         'wpakey': function()
 211         {
 212                 var v = this;
 213
 214                 if( v.length == 64 )
 215                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 216                 else
 217                         return (v.length >= 8) && (v.length <= 63);
 218         },
 219
 220         'wepkey': function()
 221         {
 222                 var v = this;
 223
 224                 if ( v.substr(0,2) == 's:' )
 225                         v = v.substr(2);
 226
 227                 if( (v.length == 10) || (v.length == 26) )
 228                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 229                 else
 230                         return (v.length == 5) || (v.length == 13);
 231         },
 232
 233         'uciname': function()
 234         {
 235                 return (this.match(/^[a-zA-Z0-9_]+$/) != null);
 236         },
 237
 238         'range': function(min, max)
 239         {
 240                 var val = Dec(this);
 241                 return (val >= +min && val <= +max);
 242         },
 243
 244         'min': function(min)
 245         {
 246                 return (Dec(this) >= +min);
 247         },
 248
 249         'max': function(max)
 250         {
 251                 return (Dec(this) <= +max);
 252         },
 253
 254         'rangelength': function(min, max)
 255         {
 256                 var val = '' + this;
 257                 return ((val.length >= +min) && (val.length <= +max));
 258         },
 259
 260         'minlength': function(min)
 261         {
 262                 return ((''+this).length >= +min);
 263         },
 264
 265         'maxlength': function(max)
 266         {
 267                 return ((''+this).length <= +max);
 268         },
 269
 270         'or': function()
 271         {
 272                 for (var i = 0; i < arguments.length; i += 2)
 273                 {
 274                         if (typeof arguments[i] != 'function')
 275                         {
 276                                 if (arguments[i] == this)
 277                                         return true;
 278                                 i--;
 279                         }
 280                         else if (arguments[i].apply(this, arguments[i+1]))
 281                         {
 282                                 return true;
 283                         }
 284                 }
 285                 return false;
 286         },
 287
 288         'and': function()
 289         {
 290                 for (var i = 0; i < arguments.length; i += 2)
 291                 {
 292                         if (typeof arguments[i] != 'function')
 293                         {
 294                                 if (arguments[i] != this)
 295                                         return false;
 296                                 i--;
 297                         }
 298                         else if (!arguments[i].apply(this, arguments[i+1]))
 299                         {
 300                                 return false;
 301                         }
 302                 }
 303                 return true;
 304         },
 305
 306         'neg': function()
 307         {
 308                 return cbi_validators.or.apply(
 309                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 310         },
 311
 312         'list': function(subvalidator, subargs)
 313         {
 314                 if (typeof subvalidator != 'function')
 315                         return false;
 316
 317                 var tokens = this.match(/[^ \t]+/g);
 318                 for (var i = 0; i < tokens.length; i++)
 319                         if (!subvalidator.apply(tokens[i], subargs))
 320                                 return false;
 321
 322                 return true;
 323         },
 324         'phonedigit': function()
 325         {
 326                 return (this.match(/^[0-9\*#!\.]+$/) != null);
 327         },
 328         'timehhmmss': function()
 329         {
 330                 return (this.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/) != null);
 331         },
 332         'dateyyyymmdd': function()
 333         {
 334                 if (this == null) {
 335                         return false;
 336                 }
 337                 if (this.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 338                         var year = RegExp.$1;
 339                         var month = RegExp.$2;
 340                         var day = RegExp.$2
 341
 342                         var days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30 , 31, 30, 31 ];
 343                         function is_leap_year(year) {
 344                                 return ((year % 4) == 0) && ((year % 100) != 0) || ((year % 400) == 0);
 345                         }
 346                         function get_days_in_month(month, year) {
 347                                 if ((month == 2) && is_leap_year(year)) {
 348                                         return 29;
 349                                 } else {
 350                                         return days_in_month[month];
 351                                 }
 352                         }
 353                         /* Firewall rules in the past don't make sense */
 354                         if (year < 2015) {
 355                                 return false;
 356                         }
 357                         if ((month <= 0) || (month > 12)) {
 358                                 return false;
 359                         }
 360                         if ((day <= 0) || (day > get_days_in_month(month, year))) {
 361                                 return false;
 362                         }
 363                         return true;
 364
 365                 } else {
 366                         return false;
 367                 }
 368         }
 369 };
 370
 371
 372 function cbi_d_add(field, dep, index) {
 373         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 374         if (obj) {
 375                 var entry
 376                 for (var i=0; i<cbi_d.length; i++) {
 377                         if (cbi_d[i].id == obj.id) {
 378                                 entry = cbi_d[i];
 379                                 break;
 380                         }
 381                 }
 382                 if (!entry) {
 383                         entry = {
 384                                 "node": obj,
 385                                 "id": obj.id,
 386                                 "parent": obj.parentNode.id,
 387                                 "deps": [],
 388                                 "index": index
 389                         };
 390                         cbi_d.unshift(entry);
 391                 }
 392                 entry.deps.push(dep)
 393         }
 394 }
 395
 396 function cbi_d_checkvalue(target, ref) {
 397         var t = document.getElementById(target);
 398         var value;
 399
 400         if (!t) {
 401                 var tl = document.getElementsByName(target);
 402
 403                 if( tl.length > 0 && (tl[0].type == 'radio' || tl[0].type == 'checkbox'))
 404                         for( var i = 0; i < tl.length; i++ )
 405                                 if( tl[i].checked ) {
 406                                         value = tl[i].value;
 407                                         break;
 408                                 }
 409
 410                 value = value ? value : "";
 411         } else if (!t.value) {
 412                 value = "";
 413         } else {
 414                 value = t.value;
 415
 416                 if (t.type == "checkbox") {
 417                         value = t.checked ? value : "";
 418                 }
 419         }
 420
 421         return (value == ref)
 422 }
 423
 424 function cbi_d_check(deps) {
 425         var reverse;
 426         var def = false;
 427         for (var i=0; i<deps.length; i++) {
 428                 var istat = true;
 429                 reverse = false;
 430                 for (var j in deps[i]) {
 431                         if (j == "!reverse") {
 432                                 reverse = true;
 433                         } else if (j == "!default") {
 434                                 def = true;
 435                                 istat = false;
 436                         } else {
 437                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 438                         }
 439                 }
 440                 if (istat) {
 441                         return !reverse;
 442                 }
 443         }
 444         return def;
 445 }
 446
 447 function cbi_d_update() {
 448         var state = false;
 449         for (var i=0; i<cbi_d.length; i++) {
 450                 var entry = cbi_d[i];
 451                 var node  = document.getElementById(entry.id);
 452                 var parent = document.getElementById(entry.parent);
 453
 454                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 455                         node.parentNode.removeChild(node);
 456                         state = true;
 457                 } else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 458                         var next = undefined;
 459
 460                         for (next = parent.firstChild; next; next = next.nextSibling) {
 461                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index) {
 462                                         break;
 463                                 }
 464                         }
 465
 466                         if (!next) {
 467                                 parent.appendChild(entry.node);
 468                         } else {
 469                                 parent.insertBefore(entry.node, next);
 470                         }
 471
 472                         state = true;
 473                 }
 474
 475                 // hide optionals widget if no choices remaining
 476                 if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
 477                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 478         }
 479
 480         if (entry && entry.parent) {
 481                 if (!cbi_t_update())
 482                         cbi_tag_last(parent);
 483         }
 484
 485         if (state) {
 486                 cbi_d_update();
 487         }
 488 }
 489
 490 function cbi_init() {
 491         var nodes;
 492
 493         nodes = document.querySelectorAll('[data-strings]');
 494
 495         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 496                 var str = JSON.parse(node.getAttribute('data-strings'));
 497                 for (var key in str) {
 498                         for (var key2 in str[key]) {
 499                                 var dst = cbi_strings[key] || (cbi_strings[key] = { });
 500                                     dst[key2] = str[key][key2];
 501                         }
 502                 }
 503         }
 504
 505         nodes = document.querySelectorAll('[data-depends]');
 506
 507         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 508                 var index = parseInt(node.getAttribute('data-index'), 10);
 509                 var depends = JSON.parse(node.getAttribute('data-depends'));
 510                 if (!isNaN(index) && depends.length > 0) {
 511                         for (var alt = 0; alt < depends.length; alt++) {
 512                                 cbi_d_add(node, depends[alt], index);
 513                         }
 514                 }
 515         }
 516
 517         nodes = document.querySelectorAll('[data-update]');
 518
 519         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 520                 var events = node.getAttribute('data-update').split(' ');
 521                 for (var j = 0, event; (event = events[j]) !== undefined; j++) {
 522                         cbi_bind(node, event, cbi_d_update);
 523                 }
 524         }
 525
 526         nodes = document.querySelectorAll('[data-type]');
 527
 528         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 529                 cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
 530                                    node.getAttribute('data-type'));
 531         }
 532
 533         nodes = document.querySelectorAll('[data-choices]');
 534
 535         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 536                 var choices = JSON.parse(node.getAttribute('data-choices'));
 537                 var options = {};
 538
 539                 for (var j = 0; j < choices[0].length; j++)
 540                         options[choices[0][j]] = choices[1][j];
 541
 542                 var def = (node.getAttribute('data-optional') === 'true')
 543                         ? node.placeholder || '' : null;
 544
 545                 cbi_combobox_init(node, options, def,
 546                                   node.getAttribute('data-manual'));
 547         }
 548
 549         nodes = document.querySelectorAll('[data-dynlist]');
 550
 551         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 552                 var choices = JSON.parse(node.getAttribute('data-dynlist'));
 553                 var options = null;
 554
 555                 if (choices[0] && choices[0].length) {
 556                         options = {};
 557
 558                         for (var j = 0; j < choices[0].length; j++)
 559                                 options[choices[0][j]] = choices[1][j];
 560                 }
 561
 562                 cbi_dynlist_init(node, choices[2], choices[3], options);
 563         }
 564
 565         cbi_d_update();
 566 }
 567
 568 function cbi_bind(obj, type, callback, mode) {
 569         if (!obj.addEventListener) {
 570                 obj.attachEvent('on' + type,
 571                         function(){
 572                                 var e = window.event;
 573
 574                                 if (!e.target && e.srcElement)
 575                                         e.target = e.srcElement;
 576
 577                                 return !!callback(e);
 578                         }
 579                 );
 580         } else {
 581                 obj.addEventListener(type, callback, !!mode);
 582         }
 583         return obj;
 584 }
 585
 586 function cbi_combobox(id, values, def, man, focus) {
 587         var selid = "cbi.combobox." + id;
 588         if (document.getElementById(selid)) {
 589                 return
 590         }
 591
 592         var obj = document.getElementById(id)
 593         var sel = document.createElement("select");
 594                 sel.id = selid;
 595                 sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
 596
 597         if (obj.nextSibling) {
 598                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 599         } else {
 600                 obj.parentNode.appendChild(sel);
 601         }
 602
 603         var dt = obj.getAttribute('cbi_datatype');
 604         var op = obj.getAttribute('cbi_optional');
 605
 606         if (dt)
 607                 cbi_validate_field(sel, op == 'true', dt);
 608
 609         if (!values[obj.value]) {
 610                 if (obj.value == "") {
 611                         var optdef = document.createElement("option");
 612                         optdef.value = "";
 613                         optdef.appendChild(document.createTextNode(typeof(def) === 'string' ? def : cbi_strings.label.choose));
 614                         sel.appendChild(optdef);
 615                 } else {
 616                         var opt = document.createElement("option");
 617                         opt.value = obj.value;
 618                         opt.selected = "selected";
 619                         opt.appendChild(document.createTextNode(obj.value));
 620                         sel.appendChild(opt);
 621                 }
 622         }
 623
 624         for (var i in values) {
 625                 var opt = document.createElement("option");
 626                 opt.value = i;
 627
 628                 if (obj.value == i) {
 629                         opt.selected = "selected";
 630                 }
 631
 632                 opt.appendChild(document.createTextNode(values[i]));
 633                 sel.appendChild(opt);
 634         }
 635
 636         var optman = document.createElement("option");
 637         optman.value = "";
 638         optman.appendChild(document.createTextNode(typeof(man) === 'string' ? man : cbi_strings.label.custom));
 639         sel.appendChild(optman);
 640
 641         obj.style.display = "none";
 642
 643         cbi_bind(sel, "change", function() {
 644                 if (sel.selectedIndex == sel.options.length - 1) {
 645                         obj.style.display = "inline";
 646                         sel.blur();
 647                         sel.parentNode.removeChild(sel);
 648                         obj.focus();
 649                 } else {
 650                         obj.value = sel.options[sel.selectedIndex].value;
 651                 }
 652
 653                 try {
 654                         cbi_d_update();
 655                 } catch (e) {
 656                         //Do nothing
 657                 }
 658         })
 659
 660         // Retrigger validation in select
 661         if (focus) {
 662                 sel.focus();
 663                 sel.blur();
 664         }
 665 }
 666
 667 function cbi_combobox_init(id, values, def, man) {
 668         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 669         cbi_bind(obj, "blur", function() {
 670                 cbi_combobox(obj.id, values, def, man, true);
 671         });
 672         cbi_combobox(obj.id, values, def, man, false);
 673 }
 674
 675 function cbi_filebrowser(id, defpath) {
 676         var field   = document.getElementById(id);
 677         var browser = window.open(
 678                 cbi_strings.path.browser + ( field.value || defpath || '' ) + '?field=' + id,
 679                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 680         );
 681
 682         browser.focus();
 683 }
 684
 685 function cbi_browser_init(id, defpath)
 686 {
 687         function cbi_browser_btnclick(e) {
 688                 cbi_filebrowser(id, defpath);
 689                 return false;
 690         }
 691
 692         var field = document.getElementById(id);
 693
 694         var btn = document.createElement('img');
 695         btn.className = 'cbi-image-button';
 696         btn.src = cbi_strings.path.resource + '/cbi/folder.gif';
 697         field.parentNode.insertBefore(btn, field.nextSibling);
 698
 699         cbi_bind(btn, 'click', cbi_browser_btnclick);
 700 }
 701
 702 function cbi_dynlist_init(parent, datatype, optional, choices)
 703 {
 704         var prefix = parent.getAttribute('data-prefix');
 705         var holder = parent.getAttribute('data-placeholder');
 706
 707         var values;
 708
 709         function cbi_dynlist_redraw(focus, add, del)
 710         {
 711                 values = [ ];
 712
 713                 while (parent.firstChild)
 714                 {
 715                         var n = parent.firstChild;
 716                         var i = +n.index;
 717
 718                         if (i != del)
 719                         {
 720                                 if (n.nodeName.toLowerCase() == 'input')
 721                                         values.push(n.value || '');
 722                                 else if (n.nodeName.toLowerCase() == 'select')
 723                                         values[values.length-1] = n.options[n.selectedIndex].value;
 724                         }
 725
 726                         parent.removeChild(n);
 727                 }
 728
 729                 if (add >= 0)
 730                 {
 731                         focus = add+1;
 732                         values.splice(focus, 0, '');
 733                 }
 734                 else if (values.length == 0)
 735                 {
 736                         focus = 0;
 737                         values.push('');
 738                 }
 739
 740                 for (var i = 0; i < values.length; i++)
 741                 {
 742                         var t = document.createElement('input');
 743                                 t.id = prefix + '.' + (i+1);
 744                                 t.name = prefix;
 745                                 t.value = values[i];
 746                                 t.type = 'text';
 747                                 t.index = i;
 748                                 t.className = 'cbi-input-text';
 749
 750                         if (i == 0 && holder)
 751                         {
 752                                 t.placeholder = holder;
 753                         }
 754
 755                         var b = document.createElement('img');
 756                                 b.src = cbi_strings.path.resource + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 757                                 b.className = 'cbi-image-button';
 758
 759                         parent.appendChild(t);
 760                         parent.appendChild(b);
 761                         if (datatype == 'file')
 762                         {
 763                                 cbi_browser_init(t.id, parent.getAttribute('data-browser-path'));
 764                         }
 765
 766                         parent.appendChild(document.createElement('br'));
 767
 768                         if (datatype)
 769                         {
 770                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 771                         }
 772
 773                         if (choices)
 774                         {
 775                                 cbi_combobox_init(t.id, choices, '', cbi_strings.label.custom);
 776                                 b.index = i;
 777
 778                                 cbi_bind(b, 'keydown',  cbi_dynlist_keydown);
 779                                 cbi_bind(b, 'keypress', cbi_dynlist_keypress);
 780
 781                                 if (i == focus || -i == focus)
 782                                         b.focus();
 783                         }
 784                         else
 785                         {
 786                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 787                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 788
 789                                 if (i == focus)
 790                                 {
 791                                         t.focus();
 792                                 }
 793                                 else if (-i == focus)
 794                                 {
 795                                         t.focus();
 796
 797                                         /* force cursor to end */
 798                                         var v = t.value;
 799                                         t.value = ' '
 800                                         t.value = v;
 801                                 }
 802                         }
 803
 804                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 805                 }
 806         }
 807
 808         function cbi_dynlist_keypress(ev)
 809         {
 810                 ev = ev ? ev : window.event;
 811
 812                 var se = ev.target ? ev.target : ev.srcElement;
 813
 814                 if (se.nodeType == 3)
 815                         se = se.parentNode;
 816
 817                 switch (ev.keyCode)
 818                 {
 819                         /* backspace, delete */
 820                         case 8:
 821                         case 46:
 822                                 if (se.value.length == 0)
 823                                 {
 824                                         if (ev.preventDefault)
 825                                                 ev.preventDefault();
 826
 827                                         return false;
 828                                 }
 829
 830                                 return true;
 831
 832                         /* enter, arrow up, arrow down */
 833                         case 13:
 834                         case 38:
 835                         case 40:
 836                                 if (ev.preventDefault)
 837                                         ev.preventDefault();
 838
 839                                 return false;
 840                 }
 841
 842                 return true;
 843         }
 844
 845         function cbi_dynlist_keydown(ev)
 846         {
 847                 ev = ev ? ev : window.event;
 848
 849                 var se = ev.target ? ev.target : ev.srcElement;
 850
 851                 if (se.nodeType == 3)
 852                         se = se.parentNode;
 853
 854                 var prev = se.previousSibling;
 855                 while (prev && prev.name != prefix)
 856                         prev = prev.previousSibling;
 857
 858                 var next = se.nextSibling;
 859                 while (next && next.name != prefix)
 860                         next = next.nextSibling;
 861
 862                 /* advance one further in combobox case */
 863                 if (next && next.nextSibling.name == prefix)
 864                         next = next.nextSibling;
 865
 866                 switch (ev.keyCode)
 867                 {
 868                         /* backspace, delete */
 869                         case 8:
 870                         case 46:
 871                                 var del = (se.nodeName.toLowerCase() == 'select')
 872                                         ? true : (se.value.length == 0);
 873
 874                                 if (del)
 875                                 {
 876                                         if (ev.preventDefault)
 877                                                 ev.preventDefault();
 878
 879                                         var focus = se.index;
 880                                         if (ev.keyCode == 8)
 881                                                 focus = -focus+1;
 882
 883                                         cbi_dynlist_redraw(focus, -1, se.index);
 884
 885                                         return false;
 886                                 }
 887
 888                                 break;
 889
 890                         /* enter */
 891                         case 13:
 892                                 cbi_dynlist_redraw(-1, se.index, -1);
 893                                 break;
 894
 895                         /* arrow up */
 896                         case 38:
 897                                 if (prev)
 898                                         prev.focus();
 899
 900                                 break;
 901
 902                         /* arrow down */
 903                         case 40:
 904                                 if (next)
 905                                         next.focus();
 906
 907                                 break;
 908                 }
 909
 910                 return true;
 911         }
 912
 913         function cbi_dynlist_btnclick(ev)
 914         {
 915                 ev = ev ? ev : window.event;
 916
 917                 var se = ev.target ? ev.target : ev.srcElement;
 918                 var input = se.previousSibling;
 919                 while (input && input.name != prefix) {
 920                         input = input.previousSibling;
 921                 }
 922
 923                 if (se.src.indexOf('remove') > -1)
 924                 {
 925                         input.value = '';
 926
 927                         cbi_dynlist_keydown({
 928                                 target:  se,
 929                                 keyCode: 8
 930                         });
 931                 }
 932                 else
 933                 {
 934                         cbi_dynlist_keydown({
 935                                 target:  se,
 936                                 keyCode: 13
 937                         });
 938                 }
 939
 940                 return false;
 941         }
 942
 943         cbi_dynlist_redraw(NaN, -1, -1);
 944 }
 945
 946
 947 function cbi_t_add(section, tab) {
 948         var t = document.getElementById('tab.' + section + '.' + tab);
 949         var c = document.getElementById('container.' + section + '.' + tab);
 950
 951         if( t && c ) {
 952                 cbi_t[section] = (cbi_t[section] || [ ]);
 953                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 954         }
 955 }
 956
 957 function cbi_t_switch(section, tab) {
 958         if( cbi_t[section] && cbi_t[section][tab] ) {
 959                 var o = cbi_t[section][tab];
 960                 var h = document.getElementById('tab.' + section);
 961                 for( var tid in cbi_t[section] ) {
 962                         var o2 = cbi_t[section][tid];
 963                         if( o.tab.id != o2.tab.id ) {
 964                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 965                                 o2.container.style.display = 'none';
 966                         }
 967                         else {
 968                                 if(h) h.value = tab;
 969                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 970                                 o2.container.style.display = 'block';
 971                         }
 972                 }
 973         }
 974         return false
 975 }
 976
 977 function cbi_t_update() {
 978         var hl_tabs = [ ];
 979         var updated = false;
 980
 981         for( var sid in cbi_t )
 982                 for( var tid in cbi_t[sid] )
 983                 {
 984                         var t = cbi_t[sid][tid].tab;
 985                         var c = cbi_t[sid][tid].container;
 986
 987                         if (!c.firstElementChild) {
 988                                 t.style.display = 'none';
 989                         }
 990                         else if (t.style.display == 'none') {
 991                                 t.style.display = '';
 992                                 t.className += ' cbi-tab-highlighted';
 993                                 hl_tabs.push(t);
 994                         }
 995
 996                         cbi_tag_last(c);
 997                         updated = true;
 998                 }
 999
1000         if (hl_tabs.length > 0)
1001                 window.setTimeout(function() {
1002                         for( var i = 0; i < hl_tabs.length; i++ )
1003                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
1004                 }, 750);
1005
1006         return updated;
1007 }
1008
1009
1010 function cbi_validate_form(form, errmsg)
1011 {
1012         /* if triggered by a section removal or addition, don't validate */
1013         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
1014                 return true;
1015
1016         if( form.cbi_validators )
1017         {
1018                 for( var i = 0; i < form.cbi_validators.length; i++ )
1019                 {
1020                         var validator = form.cbi_validators[i];
1021                         if( !validator() && errmsg )
1022                         {
1023                                 alert(errmsg);
1024                                 return false;
1025                         }
1026                 }
1027         }
1028
1029         return true;
1030 }
1031
1032 function cbi_validate_reset(form)
1033 {
1034         window.setTimeout(
1035                 function() { cbi_validate_form(form, null) }, 100
1036         );
1037
1038         return true;
1039 }
1040
1041 function cbi_validate_compile(code)
1042 {
1043         var pos = 0;
1044         var esc = false;
1045         var depth = 0;
1046         var stack = [ ];
1047
1048         code += ',';
1049
1050         for (var i = 0; i < code.length; i++)
1051         {
1052                 if (esc)
1053                 {
1054                         esc = false;
1055                         continue;
1056                 }
1057
1058                 switch (code.charCodeAt(i))
1059                 {
1060                 case 92:
1061                         esc = true;
1062                         break;
1063
1064                 case 40:
1065                 case 44:
1066                         if (depth <= 0)
1067                         {
1068                                 if (pos < i)
1069                                 {
1070                                         var label = code.substring(pos, i);
1071                                                 label = label.replace(/\\(.)/g, '$1');
1072                                                 label = label.replace(/^[ \t]+/g, '');
1073                                                 label = label.replace(/[ \t]+$/g, '');
1074
1075                                         if (label && !isNaN(label))
1076                                         {
1077                                                 stack.push(parseFloat(label));
1078                                         }
1079                                         else if (label.match(/^(['"]).*\1$/))
1080                                         {
1081                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
1082                                         }
1083                                         else if (typeof cbi_validators[label] == 'function')
1084                                         {
1085                                                 stack.push(cbi_validators[label]);
1086                                                 stack.push(null);
1087                                         }
1088                                         else
1089                                         {
1090                                                 throw "Syntax error, unhandled token '"+label+"'";
1091                                         }
1092                                 }
1093                                 pos = i+1;
1094                         }
1095                         depth += (code.charCodeAt(i) == 40);
1096                         break;
1097
1098                 case 41:
1099                         if (--depth <= 0)
1100                         {
1101                                 if (typeof stack[stack.length-2] != 'function')
1102                                         throw "Syntax error, argument list follows non-function";
1103
1104                                 stack[stack.length-1] =
1105                                         arguments.callee(code.substring(pos, i));
1106
1107                                 pos = i+1;
1108                         }
1109                         break;
1110                 }
1111         }
1112
1113         return stack;
1114 }
1115
1116 function cbi_validate_field(cbid, optional, type)
1117 {
1118         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
1119         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
1120
1121         if (field && vstack && typeof vstack[0] == "function")
1122         {
1123                 var validator = function()
1124                 {
1125                         // is not detached
1126                         if( field.form )
1127                         {
1128                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
1129
1130                                 // validate value
1131                                 var value = (field.options && field.options.selectedIndex > -1)
1132                                         ? field.options[field.options.selectedIndex].value : field.value;
1133
1134                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
1135                                 {
1136                                         // invalid
1137                                         field.className += ' cbi-input-invalid';
1138                                         return false;
1139                                 }
1140                         }
1141
1142                         return true;
1143                 };
1144
1145                 if( ! field.form.cbi_validators )
1146                         field.form.cbi_validators = [ ];
1147
1148                 field.form.cbi_validators.push(validator);
1149
1150                 cbi_bind(field, "blur",  validator);
1151                 cbi_bind(field, "keyup", validator);
1152
1153                 if (field.nodeName == 'SELECT')
1154                 {
1155                         cbi_bind(field, "change", validator);
1156                         cbi_bind(field, "click",  validator);
1157                 }
1158
1159                 field.setAttribute("cbi_validate", validator);
1160                 field.setAttribute("cbi_datatype", type);
1161                 field.setAttribute("cbi_optional", (!!optional).toString());
1162
1163                 validator();
1164
1165                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1166                 if (fcbox)
1167                         cbi_validate_field(fcbox, optional, type);
1168         }
1169 }
1170
1171 function cbi_row_swap(elem, up, store)
1172 {
1173         var tr = elem.parentNode;
1174         while (tr && tr.nodeName.toLowerCase() != 'tr')
1175                 tr = tr.parentNode;
1176
1177         if (!tr)
1178                 return false;
1179
1180         var table = tr.parentNode;
1181         while (table && table.nodeName.toLowerCase() != 'table')
1182                 table = table.parentNode;
1183
1184         if (!table)
1185                 return false;
1186
1187         var s = up ? 3 : 2;
1188         var e = up ? table.rows.length : table.rows.length - 1;
1189
1190         for (var idx = s; idx < e; idx++)
1191         {
1192                 if (table.rows[idx] == tr)
1193                 {
1194                         if (up)
1195                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1196                         else
1197                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1198
1199                         break;
1200                 }
1201         }
1202
1203         var ids = [ ];
1204         for (idx = 2; idx < table.rows.length; idx++)
1205         {
1206                 table.rows[idx].className = table.rows[idx].className.replace(
1207                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1208                 );
1209
1210                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1211                         ids.push(RegExp.$1);
1212         }
1213
1214         var input = document.getElementById(store);
1215         if (input)
1216                 input.value = ids.join(' ');
1217
1218         return false;
1219 }
1220
1221 function cbi_tag_last(container)
1222 {
1223         var last;
1224
1225         for (var i = 0; i < container.childNodes.length; i++)
1226         {
1227                 var c = container.childNodes[i];
1228                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1229                 {
1230                         c.className = c.className.replace(/ cbi-value-last$/, '');
1231                         last = c;
1232                 }
1233         }
1234
1235         if (last)
1236         {
1237                 last.className += ' cbi-value-last';
1238         }
1239 }
1240
1241 String.prototype.serialize = function()
1242 {
1243         var o = this;
1244         switch(typeof(o))
1245         {
1246                 case 'object':
1247                         // null
1248                         if( o == null )
1249                         {
1250                                 return 'null';
1251                         }
1252
1253                         // array
1254                         else if( o.length )
1255                         {
1256                                 var i, s = '';
1257
1258                                 for( var i = 0; i < o.length; i++ )
1259                                         s += (s ? ', ' : '') + String.serialize(o[i]);
1260
1261                                 return '[ ' + s + ' ]';
1262                         }
1263
1264                         // object
1265                         else
1266                         {
1267                                 var k, s = '';
1268
1269                                 for( k in o )
1270                                         s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1271
1272                                 return '{ ' + s + ' }';
1273                         }
1274
1275                         break;
1276
1277                 case 'string':
1278                         // complex string
1279                         if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1280                                 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1281
1282                         // simple string
1283                         else
1284                                 return '"' + o + '"';
1285
1286                         break;
1287
1288                 default:
1289                         return o.toString();
1290         }
1291 }
1292
1293 String.prototype.format = function()
1294 {
1295         if (!RegExp)
1296                 return;
1297
1298         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1299         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1300
1301         function esc(s, r) {
1302                 for( var i = 0; i < r.length; i += 2 )
1303                         s = s.replace(r[i], r[i+1]);
1304                 return s;
1305         }
1306
1307         var str = this;
1308         var out = '';
1309         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1310         var a = b = [], numSubstitutions = 0, numMatches = 0;
1311
1312         while (a = re.exec(str))
1313         {
1314                 var m = a[1];
1315                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1316                 var pPrecision = a[6], pType = a[7];
1317
1318                 numMatches++;
1319
1320                 if (pType == '%')
1321                 {
1322                         subst = '%';
1323                 }
1324                 else
1325                 {
1326                         if (numSubstitutions < arguments.length)
1327                         {
1328                                 var param = arguments[numSubstitutions++];
1329
1330                                 var pad = '';
1331                                 if (pPad && pPad.substr(0,1) == "'")
1332                                         pad = leftpart.substr(1,1);
1333                                 else if (pPad)
1334                                         pad = pPad;
1335                                 else
1336                                         pad = ' ';
1337
1338                                 var justifyRight = true;
1339                                 if (pJustify && pJustify === "-")
1340                                         justifyRight = false;
1341
1342                                 var minLength = -1;
1343                                 if (pMinLength)
1344                                         minLength = +pMinLength;
1345
1346                                 var precision = -1;
1347                                 if (pPrecision && pType == 'f')
1348                                         precision = +pPrecision.substring(1);
1349
1350                                 var subst = param;
1351
1352                                 switch(pType)
1353                                 {
1354                                         case 'b':
1355                                                 subst = (+param || 0).toString(2);
1356                                                 break;
1357
1358                                         case 'c':
1359                                                 subst = String.fromCharCode(+param || 0);
1360                                                 break;
1361
1362                                         case 'd':
1363                                                 subst = ~~(+param || 0);
1364                                                 break;
1365
1366                                         case 'u':
1367                                                 subst = ~~Math.abs(+param || 0);
1368                                                 break;
1369
1370                                         case 'f':
1371                                                 subst = (precision > -1)
1372                                                         ? ((+param || 0.0)).toFixed(precision)
1373                                                         : (+param || 0.0);
1374                                                 break;
1375
1376                                         case 'o':
1377                                                 subst = (+param || 0).toString(8);
1378                                                 break;
1379
1380                                         case 's':
1381                                                 subst = param;
1382                                                 break;
1383
1384                                         case 'x':
1385                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1386                                                 break;
1387
1388                                         case 'X':
1389                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1390                                                 break;
1391
1392                                         case 'h':
1393                                                 subst = esc(param, html_esc);
1394                                                 break;
1395
1396                                         case 'q':
1397                                                 subst = esc(param, quot_esc);
1398                                                 break;
1399
1400                                         case 'j':
1401                                                 subst = String.serialize(param);
1402                                                 break;
1403
1404                                         case 't':
1405                                                 var td = 0;
1406                                                 var th = 0;
1407                                                 var tm = 0;
1408                                                 var ts = (param || 0);
1409
1410                                                 if (ts > 60) {
1411                                                         tm = Math.floor(ts / 60);
1412                                                         ts = (ts % 60);
1413                                                 }
1414
1415                                                 if (tm > 60) {
1416                                                         th = Math.floor(tm / 60);
1417                                                         tm = (tm % 60);
1418                                                 }
1419
1420                                                 if (th > 24) {
1421                                                         td = Math.floor(th / 24);
1422                                                         th = (th % 24);
1423                                                 }
1424
1425                                                 subst = (td > 0)
1426                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1427                                                         : String.format('%dh %dm %ds', th, tm, ts);
1428
1429                                                 break;
1430
1431                                         case 'm':
1432                                                 var mf = pMinLength ? +pMinLength : 1000;
1433                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1434
1435                                                 var i = 0;
1436                                                 var val = (+param || 0);
1437                                                 var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
1438
1439                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1440                                                         val /= mf;
1441
1442                                                 subst = (i ? val.toFixed(pr) : val) + units[i];
1443                                                 pMinLength = null;
1444                                                 break;
1445                                 }
1446                         }
1447                 }
1448
1449                 if (pMinLength) {
1450                         subst = subst.toString();
1451                         for (var i = subst.length; i < pMinLength; i++)
1452                                 if (pJustify == '-')
1453                                         subst = subst + ' ';
1454                                 else
1455                                         subst = pad + subst;
1456                 }
1457
1458                 out += leftpart + subst;
1459                 str = str.substr(m.length);
1460         }
1461
1462         return out + str;
1463 }
1464
1465 String.prototype.nobr = function()
1466 {
1467         return this.replace(/[\s\n]+/g, '&#160;');
1468 }
1469
1470 String.serialize = function()
1471 {
1472         var a = [ ];
1473         for (var i = 1; i < arguments.length; i++)
1474                 a.push(arguments[i]);
1475         return ''.serialize.apply(arguments[0], a);
1476 }
1477
1478 String.format = function()
1479 {
1480         var a = [ ];
1481         for (var i = 1; i < arguments.length; i++)
1482                 a.push(arguments[i]);
1483         return ''.format.apply(arguments[0], a);
1484 }
1485
1486 String.nobr = function()
1487 {
1488         var a = [ ];
1489         for (var i = 1; i < arguments.length; i++)
1490                 a.push(arguments[i]);
1491         return ''.nobr.apply(arguments[0], a);
1492 }