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 ((!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.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 = {};
 554
 555                 for (var j = 0; j < choices[0].length; j++)
 556                         options[choices[0][j]] = choices[1][j];
 557
 558                 cbi_dynlist_init(node, choices[2], choices[3], options);
 559         }
 560
 561         cbi_d_update();
 562 }
 563
 564 function cbi_bind(obj, type, callback, mode) {
 565         if (!obj.addEventListener) {
 566                 obj.attachEvent('on' + type,
 567                         function(){
 568                                 var e = window.event;
 569
 570                                 if (!e.target && e.srcElement)
 571                                         e.target = e.srcElement;
 572
 573                                 return !!callback(e);
 574                         }
 575                 );
 576         } else {
 577                 obj.addEventListener(type, callback, !!mode);
 578         }
 579         return obj;
 580 }
 581
 582 function cbi_combobox(id, values, def, man, focus) {
 583         var selid = "cbi.combobox." + id;
 584         if (document.getElementById(selid)) {
 585                 return
 586         }
 587
 588         var obj = document.getElementById(id)
 589         var sel = document.createElement("select");
 590                 sel.id = selid;
 591                 sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
 592
 593         if (obj.nextSibling) {
 594                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 595         } else {
 596                 obj.parentNode.appendChild(sel);
 597         }
 598
 599         var dt = obj.getAttribute('cbi_datatype');
 600         var op = obj.getAttribute('cbi_optional');
 601
 602         if (dt)
 603                 cbi_validate_field(sel, op == 'true', dt);
 604
 605         if (!values[obj.value]) {
 606                 if (obj.value == "") {
 607                         var optdef = document.createElement("option");
 608                         optdef.value = "";
 609                         optdef.appendChild(document.createTextNode(typeof(def) === 'string' ? def : cbi_strings.label.choose));
 610                         sel.appendChild(optdef);
 611                 } else {
 612                         var opt = document.createElement("option");
 613                         opt.value = obj.value;
 614                         opt.selected = "selected";
 615                         opt.appendChild(document.createTextNode(obj.value));
 616                         sel.appendChild(opt);
 617                 }
 618         }
 619
 620         for (var i in values) {
 621                 var opt = document.createElement("option");
 622                 opt.value = i;
 623
 624                 if (obj.value == i) {
 625                         opt.selected = "selected";
 626                 }
 627
 628                 opt.appendChild(document.createTextNode(values[i]));
 629                 sel.appendChild(opt);
 630         }
 631
 632         var optman = document.createElement("option");
 633         optman.value = "";
 634         optman.appendChild(document.createTextNode(typeof(man) === 'string' ? man : cbi_strings.label.custom));
 635         sel.appendChild(optman);
 636
 637         obj.style.display = "none";
 638
 639         cbi_bind(sel, "change", function() {
 640                 if (sel.selectedIndex == sel.options.length - 1) {
 641                         obj.style.display = "inline";
 642                         sel.blur();
 643                         sel.parentNode.removeChild(sel);
 644                         obj.focus();
 645                 } else {
 646                         obj.value = sel.options[sel.selectedIndex].value;
 647                 }
 648
 649                 try {
 650                         cbi_d_update();
 651                 } catch (e) {
 652                         //Do nothing
 653                 }
 654         })
 655
 656         // Retrigger validation in select
 657         if (focus) {
 658                 sel.focus();
 659                 sel.blur();
 660         }
 661 }
 662
 663 function cbi_combobox_init(id, values, def, man) {
 664         var obj = (typeof(id) === 'string') ? document.getElementById(id) : id;
 665         cbi_bind(obj, "blur", function() {
 666                 cbi_combobox(obj.id, values, def, man, true);
 667         });
 668         cbi_combobox(obj.id, values, def, man, false);
 669 }
 670
 671 function cbi_filebrowser(id, defpath) {
 672         var field   = document.getElementById(id);
 673         var browser = window.open(
 674                 cbi_strings.path.browser + ( field.value || defpath || '' ) + '?field=' + id,
 675                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 676         );
 677
 678         browser.focus();
 679 }
 680
 681 function cbi_browser_init(id, defpath)
 682 {
 683         function cbi_browser_btnclick(e) {
 684                 cbi_filebrowser(id, defpath);
 685                 return false;
 686         }
 687
 688         var field = document.getElementById(id);
 689
 690         var btn = document.createElement('img');
 691         btn.className = 'cbi-image-button';
 692         btn.src = cbi_strings.path.resource + '/cbi/folder.gif';
 693         field.parentNode.insertBefore(btn, field.nextSibling);
 694
 695         cbi_bind(btn, 'click', cbi_browser_btnclick);
 696 }
 697
 698 function cbi_dynlist_init(parent, datatype, optional, choices)
 699 {
 700         var prefix = parent.getAttribute('data-prefix');
 701         var holder = parent.getAttribute('data-placeholder');
 702
 703         var values;
 704
 705         function cbi_dynlist_redraw(focus, add, del)
 706         {
 707                 values = [ ];
 708
 709                 while (parent.firstChild)
 710                 {
 711                         var n = parent.firstChild;
 712                         var i = +n.index;
 713
 714                         if (i != del)
 715                         {
 716                                 if (n.nodeName.toLowerCase() == 'input')
 717                                         values.push(n.value || '');
 718                                 else if (n.nodeName.toLowerCase() == 'select')
 719                                         values[values.length-1] = n.options[n.selectedIndex].value;
 720                         }
 721
 722                         parent.removeChild(n);
 723                 }
 724
 725                 if (add >= 0)
 726                 {
 727                         focus = add+1;
 728                         values.splice(focus, 0, '');
 729                 }
 730                 else if (values.length == 0)
 731                 {
 732                         focus = 0;
 733                         values.push('');
 734                 }
 735
 736                 for (var i = 0; i < values.length; i++)
 737                 {
 738                         var t = document.createElement('input');
 739                                 t.id = prefix + '.' + (i+1);
 740                                 t.name = prefix;
 741                                 t.value = values[i];
 742                                 t.type = 'text';
 743                                 t.index = i;
 744                                 t.className = 'cbi-input-text';
 745
 746                         if (i == 0 && holder)
 747                         {
 748                                 t.placeholder = holder;
 749                         }
 750
 751                         var b = document.createElement('img');
 752                                 b.src = cbi_strings.path.resource + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 753                                 b.className = 'cbi-image-button';
 754
 755                         parent.appendChild(t);
 756                         parent.appendChild(b);
 757                         if (datatype == 'file')
 758                         {
 759                                 cbi_browser_init(t.id, parent.getAttribute('data-browser-path'));
 760                         }
 761
 762                         parent.appendChild(document.createElement('br'));
 763
 764                         if (datatype)
 765                         {
 766                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 767                         }
 768
 769                         if (choices)
 770                         {
 771                                 cbi_combobox_init(t.id, choices, '', cbi_strings.label.custom);
 772                                 b.index = i;
 773
 774                                 cbi_bind(b, 'keydown',  cbi_dynlist_keydown);
 775                                 cbi_bind(b, 'keypress', cbi_dynlist_keypress);
 776
 777                                 if (i == focus || -i == focus)
 778                                         b.focus();
 779                         }
 780                         else
 781                         {
 782                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 783                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 784
 785                                 if (i == focus)
 786                                 {
 787                                         t.focus();
 788                                 }
 789                                 else if (-i == focus)
 790                                 {
 791                                         t.focus();
 792
 793                                         /* force cursor to end */
 794                                         var v = t.value;
 795                                         t.value = ' '
 796                                         t.value = v;
 797                                 }
 798                         }
 799
 800                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 801                 }
 802         }
 803
 804         function cbi_dynlist_keypress(ev)
 805         {
 806                 ev = ev ? ev : window.event;
 807
 808                 var se = ev.target ? ev.target : ev.srcElement;
 809
 810                 if (se.nodeType == 3)
 811                         se = se.parentNode;
 812
 813                 switch (ev.keyCode)
 814                 {
 815                         /* backspace, delete */
 816                         case 8:
 817                         case 46:
 818                                 if (se.value.length == 0)
 819                                 {
 820                                         if (ev.preventDefault)
 821                                                 ev.preventDefault();
 822
 823                                         return false;
 824                                 }
 825
 826                                 return true;
 827
 828                         /* enter, arrow up, arrow down */
 829                         case 13:
 830                         case 38:
 831                         case 40:
 832                                 if (ev.preventDefault)
 833                                         ev.preventDefault();
 834
 835                                 return false;
 836                 }
 837
 838                 return true;
 839         }
 840
 841         function cbi_dynlist_keydown(ev)
 842         {
 843                 ev = ev ? ev : window.event;
 844
 845                 var se = ev.target ? ev.target : ev.srcElement;
 846
 847                 if (se.nodeType == 3)
 848                         se = se.parentNode;
 849
 850                 var prev = se.previousSibling;
 851                 while (prev && prev.name != prefix)
 852                         prev = prev.previousSibling;
 853
 854                 var next = se.nextSibling;
 855                 while (next && next.name != prefix)
 856                         next = next.nextSibling;
 857
 858                 /* advance one further in combobox case */
 859                 if (next && next.nextSibling.name == prefix)
 860                         next = next.nextSibling;
 861
 862                 switch (ev.keyCode)
 863                 {
 864                         /* backspace, delete */
 865                         case 8:
 866                         case 46:
 867                                 var del = (se.nodeName.toLowerCase() == 'select')
 868                                         ? true : (se.value.length == 0);
 869
 870                                 if (del)
 871                                 {
 872                                         if (ev.preventDefault)
 873                                                 ev.preventDefault();
 874
 875                                         var focus = se.index;
 876                                         if (ev.keyCode == 8)
 877                                                 focus = -focus+1;
 878
 879                                         cbi_dynlist_redraw(focus, -1, se.index);
 880
 881                                         return false;
 882                                 }
 883
 884                                 break;
 885
 886                         /* enter */
 887                         case 13:
 888                                 cbi_dynlist_redraw(-1, se.index, -1);
 889                                 break;
 890
 891                         /* arrow up */
 892                         case 38:
 893                                 if (prev)
 894                                         prev.focus();
 895
 896                                 break;
 897
 898                         /* arrow down */
 899                         case 40:
 900                                 if (next)
 901                                         next.focus();
 902
 903                                 break;
 904                 }
 905
 906                 return true;
 907         }
 908
 909         function cbi_dynlist_btnclick(ev)
 910         {
 911                 ev = ev ? ev : window.event;
 912
 913                 var se = ev.target ? ev.target : ev.srcElement;
 914                 var input = se.previousSibling;
 915                 while (input && input.name != prefix) {
 916                         input = input.previousSibling;
 917                 }
 918
 919                 if (se.src.indexOf('remove') > -1)
 920                 {
 921                         input.value = '';
 922
 923                         cbi_dynlist_keydown({
 924                                 target:  se,
 925                                 keyCode: 8
 926                         });
 927                 }
 928                 else
 929                 {
 930                         cbi_dynlist_keydown({
 931                                 target:  se,
 932                                 keyCode: 13
 933                         });
 934                 }
 935
 936                 return false;
 937         }
 938
 939         cbi_dynlist_redraw(NaN, -1, -1);
 940 }
 941
 942
 943 function cbi_t_add(section, tab) {
 944         var t = document.getElementById('tab.' + section + '.' + tab);
 945         var c = document.getElementById('container.' + section + '.' + tab);
 946
 947         if( t && c ) {
 948                 cbi_t[section] = (cbi_t[section] || [ ]);
 949                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 950         }
 951 }
 952
 953 function cbi_t_switch(section, tab) {
 954         if( cbi_t[section] && cbi_t[section][tab] ) {
 955                 var o = cbi_t[section][tab];
 956                 var h = document.getElementById('tab.' + section);
 957                 for( var tid in cbi_t[section] ) {
 958                         var o2 = cbi_t[section][tid];
 959                         if( o.tab.id != o2.tab.id ) {
 960                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 961                                 o2.container.style.display = 'none';
 962                         }
 963                         else {
 964                                 if(h) h.value = tab;
 965                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 966                                 o2.container.style.display = 'block';
 967                         }
 968                 }
 969         }
 970         return false
 971 }
 972
 973 function cbi_t_update() {
 974         var hl_tabs = [ ];
 975         var updated = false;
 976
 977         for( var sid in cbi_t )
 978                 for( var tid in cbi_t[sid] )
 979                 {
 980                         var t = cbi_t[sid][tid].tab;
 981                         var c = cbi_t[sid][tid].container;
 982
 983                         if (!c.firstElementChild) {
 984                                 t.style.display = 'none';
 985                         }
 986                         else if (t.style.display == 'none') {
 987                                 t.style.display = '';
 988                                 t.className += ' cbi-tab-highlighted';
 989                                 hl_tabs.push(t);
 990                         }
 991
 992                         cbi_tag_last(c);
 993                         updated = true;
 994                 }
 995
 996         if (hl_tabs.length > 0)
 997                 window.setTimeout(function() {
 998                         for( var i = 0; i < hl_tabs.length; i++ )
 999                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
1000                 }, 750);
1001
1002         return updated;
1003 }
1004
1005
1006 function cbi_validate_form(form, errmsg)
1007 {
1008         /* if triggered by a section removal or addition, don't validate */
1009         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
1010                 return true;
1011
1012         if( form.cbi_validators )
1013         {
1014                 for( var i = 0; i < form.cbi_validators.length; i++ )
1015                 {
1016                         var validator = form.cbi_validators[i];
1017                         if( !validator() && errmsg )
1018                         {
1019                                 alert(errmsg);
1020                                 return false;
1021                         }
1022                 }
1023         }
1024
1025         return true;
1026 }
1027
1028 function cbi_validate_reset(form)
1029 {
1030         window.setTimeout(
1031                 function() { cbi_validate_form(form, null) }, 100
1032         );
1033
1034         return true;
1035 }
1036
1037 function cbi_validate_compile(code)
1038 {
1039         var pos = 0;
1040         var esc = false;
1041         var depth = 0;
1042         var stack = [ ];
1043
1044         code += ',';
1045
1046         for (var i = 0; i < code.length; i++)
1047         {
1048                 if (esc)
1049                 {
1050                         esc = false;
1051                         continue;
1052                 }
1053
1054                 switch (code.charCodeAt(i))
1055                 {
1056                 case 92:
1057                         esc = true;
1058                         break;
1059
1060                 case 40:
1061                 case 44:
1062                         if (depth <= 0)
1063                         {
1064                                 if (pos < i)
1065                                 {
1066                                         var label = code.substring(pos, i);
1067                                                 label = label.replace(/\\(.)/g, '$1');
1068                                                 label = label.replace(/^[ \t]+/g, '');
1069                                                 label = label.replace(/[ \t]+$/g, '');
1070
1071                                         if (label && !isNaN(label))
1072                                         {
1073                                                 stack.push(parseFloat(label));
1074                                         }
1075                                         else if (label.match(/^(['"]).*\1$/))
1076                                         {
1077                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
1078                                         }
1079                                         else if (typeof cbi_validators[label] == 'function')
1080                                         {
1081                                                 stack.push(cbi_validators[label]);
1082                                                 stack.push(null);
1083                                         }
1084                                         else
1085                                         {
1086                                                 throw "Syntax error, unhandled token '"+label+"'";
1087                                         }
1088                                 }
1089                                 pos = i+1;
1090                         }
1091                         depth += (code.charCodeAt(i) == 40);
1092                         break;
1093
1094                 case 41:
1095                         if (--depth <= 0)
1096                         {
1097                                 if (typeof stack[stack.length-2] != 'function')
1098                                         throw "Syntax error, argument list follows non-function";
1099
1100                                 stack[stack.length-1] =
1101                                         arguments.callee(code.substring(pos, i));
1102
1103                                 pos = i+1;
1104                         }
1105                         break;
1106                 }
1107         }
1108
1109         return stack;
1110 }
1111
1112 function cbi_validate_field(cbid, optional, type)
1113 {
1114         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
1115         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
1116
1117         if (field && vstack && typeof vstack[0] == "function")
1118         {
1119                 var validator = function()
1120                 {
1121                         // is not detached
1122                         if( field.form )
1123                         {
1124                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
1125
1126                                 // validate value
1127                                 var value = (field.options && field.options.selectedIndex > -1)
1128                                         ? field.options[field.options.selectedIndex].value : field.value;
1129
1130                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
1131                                 {
1132                                         // invalid
1133                                         field.className += ' cbi-input-invalid';
1134                                         return false;
1135                                 }
1136                         }
1137
1138                         return true;
1139                 };
1140
1141                 if( ! field.form.cbi_validators )
1142                         field.form.cbi_validators = [ ];
1143
1144                 field.form.cbi_validators.push(validator);
1145
1146                 cbi_bind(field, "blur",  validator);
1147                 cbi_bind(field, "keyup", validator);
1148
1149                 if (field.nodeName == 'SELECT')
1150                 {
1151                         cbi_bind(field, "change", validator);
1152                         cbi_bind(field, "click",  validator);
1153                 }
1154
1155                 field.setAttribute("cbi_validate", validator);
1156                 field.setAttribute("cbi_datatype", type);
1157                 field.setAttribute("cbi_optional", (!!optional).toString());
1158
1159                 validator();
1160
1161                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1162                 if (fcbox)
1163                         cbi_validate_field(fcbox, optional, type);
1164         }
1165 }
1166
1167 function cbi_row_swap(elem, up, store)
1168 {
1169         var tr = elem.parentNode;
1170         while (tr && tr.nodeName.toLowerCase() != 'tr')
1171                 tr = tr.parentNode;
1172
1173         if (!tr)
1174                 return false;
1175
1176         var table = tr.parentNode;
1177         while (table && table.nodeName.toLowerCase() != 'table')
1178                 table = table.parentNode;
1179
1180         if (!table)
1181                 return false;
1182
1183         var s = up ? 3 : 2;
1184         var e = up ? table.rows.length : table.rows.length - 1;
1185
1186         for (var idx = s; idx < e; idx++)
1187         {
1188                 if (table.rows[idx] == tr)
1189                 {
1190                         if (up)
1191                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1192                         else
1193                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1194
1195                         break;
1196                 }
1197         }
1198
1199         var ids = [ ];
1200         for (idx = 2; idx < table.rows.length; idx++)
1201         {
1202                 table.rows[idx].className = table.rows[idx].className.replace(
1203                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1204                 );
1205
1206                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1207                         ids.push(RegExp.$1);
1208         }
1209
1210         var input = document.getElementById(store);
1211         if (input)
1212                 input.value = ids.join(' ');
1213
1214         return false;
1215 }
1216
1217 function cbi_tag_last(container)
1218 {
1219         var last;
1220
1221         for (var i = 0; i < container.childNodes.length; i++)
1222         {
1223                 var c = container.childNodes[i];
1224                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1225                 {
1226                         c.className = c.className.replace(/ cbi-value-last$/, '');
1227                         last = c;
1228                 }
1229         }
1230
1231         if (last)
1232         {
1233                 last.className += ' cbi-value-last';
1234         }
1235 }
1236
1237 String.prototype.serialize = function()
1238 {
1239         var o = this;
1240         switch(typeof(o))
1241         {
1242                 case 'object':
1243                         // null
1244                         if( o == null )
1245                         {
1246                                 return 'null';
1247                         }
1248
1249                         // array
1250                         else if( o.length )
1251                         {
1252                                 var i, s = '';
1253
1254                                 for( var i = 0; i < o.length; i++ )
1255                                         s += (s ? ', ' : '') + String.serialize(o[i]);
1256
1257                                 return '[ ' + s + ' ]';
1258                         }
1259
1260                         // object
1261                         else
1262                         {
1263                                 var k, s = '';
1264
1265                                 for( k in o )
1266                                         s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1267
1268                                 return '{ ' + s + ' }';
1269                         }
1270
1271                         break;
1272
1273                 case 'string':
1274                         // complex string
1275                         if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1276                                 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1277
1278                         // simple string
1279                         else
1280                                 return '"' + o + '"';
1281
1282                         break;
1283
1284                 default:
1285                         return o.toString();
1286         }
1287 }
1288
1289 String.prototype.format = function()
1290 {
1291         if (!RegExp)
1292                 return;
1293
1294         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1295         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1296
1297         function esc(s, r) {
1298                 for( var i = 0; i < r.length; i += 2 )
1299                         s = s.replace(r[i], r[i+1]);
1300                 return s;
1301         }
1302
1303         var str = this;
1304         var out = '';
1305         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1306         var a = b = [], numSubstitutions = 0, numMatches = 0;
1307
1308         while( a = re.exec(str) )
1309         {
1310                 var m = a[1];
1311                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1312                 var pPrecision = a[6], pType = a[7];
1313
1314                 numMatches++;
1315
1316                 if (pType == '%')
1317                 {
1318                         subst = '%';
1319                 }
1320                 else
1321                 {
1322                         if (numSubstitutions < arguments.length)
1323                         {
1324                                 var param = arguments[numSubstitutions++];
1325
1326                                 var pad = '';
1327                                 if (pPad && pPad.substr(0,1) == "'")
1328                                         pad = leftpart.substr(1,1);
1329                                 else if (pPad)
1330                                         pad = pPad;
1331
1332                                 var justifyRight = true;
1333                                 if (pJustify && pJustify === "-")
1334                                         justifyRight = false;
1335
1336                                 var minLength = -1;
1337                                 if (pMinLength)
1338                                         minLength = +pMinLength;
1339
1340                                 var precision = -1;
1341                                 if (pPrecision && pType == 'f')
1342                                         precision = +pPrecision.substring(1);
1343
1344                                 var subst = param;
1345
1346                                 switch(pType)
1347                                 {
1348                                         case 'b':
1349                                                 subst = (+param || 0).toString(2);
1350                                                 break;
1351
1352                                         case 'c':
1353                                                 subst = String.fromCharCode(+param || 0);
1354                                                 break;
1355
1356                                         case 'd':
1357                                                 subst = (+param || 0);
1358                                                 break;
1359
1360                                         case 'u':
1361                                                 subst = Math.abs(+param || 0);
1362                                                 break;
1363
1364                                         case 'f':
1365                                                 subst = (precision > -1)
1366                                                         ? ((+param || 0.0)).toFixed(precision)
1367                                                         : (+param || 0.0);
1368                                                 break;
1369
1370                                         case 'o':
1371                                                 subst = (+param || 0).toString(8);
1372                                                 break;
1373
1374                                         case 's':
1375                                                 subst = param;
1376                                                 break;
1377
1378                                         case 'x':
1379                                                 subst = ('' + (+param || 0).toString(16)).toLowerCase();
1380                                                 break;
1381
1382                                         case 'X':
1383                                                 subst = ('' + (+param || 0).toString(16)).toUpperCase();
1384                                                 break;
1385
1386                                         case 'h':
1387                                                 subst = esc(param, html_esc);
1388                                                 break;
1389
1390                                         case 'q':
1391                                                 subst = esc(param, quot_esc);
1392                                                 break;
1393
1394                                         case 'j':
1395                                                 subst = String.serialize(param);
1396                                                 break;
1397
1398                                         case 't':
1399                                                 var td = 0;
1400                                                 var th = 0;
1401                                                 var tm = 0;
1402                                                 var ts = (param || 0);
1403
1404                                                 if (ts > 60) {
1405                                                         tm = Math.floor(ts / 60);
1406                                                         ts = (ts % 60);
1407                                                 }
1408
1409                                                 if (tm > 60) {
1410                                                         th = Math.floor(tm / 60);
1411                                                         tm = (tm % 60);
1412                                                 }
1413
1414                                                 if (th > 24) {
1415                                                         td = Math.floor(th / 24);
1416                                                         th = (th % 24);
1417                                                 }
1418
1419                                                 subst = (td > 0)
1420                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1421                                                         : String.format('%dh %dm %ds', th, tm, ts);
1422
1423                                                 break;
1424
1425                                         case 'm':
1426                                                 var mf = pMinLength ? +pMinLength : 1000;
1427                                                 var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
1428
1429                                                 var i = 0;
1430                                                 var val = (+param || 0);
1431                                                 var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1432
1433                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1434                                                         val /= mf;
1435
1436                                                 subst = val.toFixed(pr) + ' ' + units[i];
1437                                                 break;
1438                                 }
1439                         }
1440                 }
1441
1442                 out += leftpart + subst;
1443                 str = str.substr(m.length);
1444         }
1445
1446         return out + str;
1447 }
1448
1449 String.prototype.nobr = function()
1450 {
1451         return this.replace(/[\s\n]+/g, '&#160;');
1452 }
1453
1454 String.serialize = function()
1455 {
1456         var a = [ ];
1457         for (var i = 1; i < arguments.length; i++)
1458                 a.push(arguments[i]);
1459         return ''.serialize.apply(arguments[0], a);
1460 }
1461
1462 String.format = function()
1463 {
1464         var a = [ ];
1465         for (var i = 1; i < arguments.length; i++)
1466                 a.push(arguments[i]);
1467         return ''.format.apply(arguments[0], a);
1468 }
1469
1470 String.nobr = function()
1471 {
1472         var a = [ ];
1473         for (var i = 1; i < arguments.length; i++)
1474                 a.push(arguments[i]);
1475         return ''.nobr.apply(arguments[0], a);
1476 }