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
  17 var cbi_validators = {
  18
  19         'integer': function()
  20         {
  21                 return (this.match(/^-?[0-9]+$/) != null);
  22         },
  23
  24         'uinteger': function()
  25         {
  26                 return (cbi_validators.integer.apply(this) && (this >= 0));
  27         },
  28
  29         'float': function()
  30         {
  31                 return !isNaN(parseFloat(this));
  32         },
  33
  34         'ufloat': function()
  35         {
  36                 return (cbi_validators['float'].apply(this) && (this >= 0));
  37         },
  38
  39         'ipaddr': function()
  40         {
  41                 return cbi_validators.ip4addr.apply(this) ||
  42                         cbi_validators.ip6addr.apply(this);
  43         },
  44
  45         'ip4addr': function()
  46         {
  47                 if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
  48                 {
  49                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  50                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  51                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  52                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  53                                ((RegExp.$6.indexOf('.') < 0)
  54                                   ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
  55                                   : (cbi_validators.ip4addr.apply(RegExp.$6)))
  56                         ;
  57                 }
  58
  59                 return false;
  60         },
  61
  62         'ip6addr': function()
  63         {
  64                 if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  65                 {
  66                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  67                         {
  68                                 var addr = RegExp.$1;
  69
  70                                 if( addr == '::' )
  71                                 {
  72                                         return true;
  73                                 }
  74
  75                                 if( addr.indexOf('.') > 0 )
  76                                 {
  77                                         var off = addr.lastIndexOf(':');
  78
  79                                         if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
  80                                                 return false;
  81
  82                                         addr = addr.substr(0, off) + ':0:0';
  83                                 }
  84
  85                                 if( addr.indexOf('::') >= 0 )
  86                                 {
  87                                         var colons = 0;
  88                                         var fill = '0';
  89
  90                                         for( var i = 1; i < (addr.length-1); i++ )
  91                                                 if( addr.charAt(i) == ':' )
  92                                                         colons++;
  93
  94                                         if( colons > 7 )
  95                                                 return false;
  96
  97                                         for( var i = 0; i < (7 - colons); i++ )
  98                                                 fill += ':0';
  99
 100                                         if (addr.match(/^(.*?)::(.*?)$/))
 101                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 102                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 103                                 }
 104
 105                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 106                         }
 107                 }
 108
 109                 return false;
 110         },
 111
 112         'port': function()
 113         {
 114                 return cbi_validators.integer.apply(this) &&
 115                         (this >= 0) && (this <= 65535);
 116         },
 117
 118         'portrange': function()
 119         {
 120                 if (this.match(/^(\d+)-(\d+)$/))
 121                 {
 122                         var p1 = RegExp.$1;
 123                         var p2 = RegExp.$2;
 124
 125                         return cbi_validators.port.apply(p1) &&
 126                                cbi_validators.port.apply(p2) &&
 127                                (parseInt(p1) <= parseInt(p2))
 128                         ;
 129                 }
 130                 else
 131                 {
 132                         return cbi_validators.port.apply(this);
 133                 }
 134         },
 135
 136         'macaddr': function()
 137         {
 138                 return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 139         },
 140
 141         'host': function(ipv4only)
 142         {
 143                 return cbi_validators.hostname.apply(this) ||
 144                         ((ipv4only != 1) && cbi_validators.ipaddr.apply(this)) ||
 145                         ((ipv4only == 1) && cb_validators.ip4addr.apply(this));
 146         },
 147
 148         'hostname': function()
 149         {
 150                 if (this.length <= 253)
 151                         return (this.match(/^[a-zA-Z0-9]+$/) != null ||
 152                                 (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
 153                                  this.match(/[^0-9.]/)));
 154
 155                 return false;
 156         },
 157
 158         'network': function()
 159         {
 160                 return cbi_validators.uciname.apply(this) ||
 161                         cbi_validators.host.apply(this);
 162         },
 163
 164         'hostport': function(ipv4only)
 165         {
 166                 var hp = this.split(/:/);
 167
 168                 if (hp.length == 2)
 169                         return (cbi_validators.host.apply(hp[0], ipv4only) &&
 170                                 cbi_validators.port.apply(hp[1]));
 171
 172                 return false;
 173         },
 174
 175         'ip4addrport': function()
 176         {
 177                 var hp = this.split(/:/);
 178
 179                 if (hp.length == 2)
 180                         return (cbi_validators.ipaddr.apply(hp[0]) &&
 181                                 cbi_validators.port.apply(hp[1]));
 182                 return false;
 183         },
 184
 185         'ipaddrport': function(bracket)
 186         {
 187                 if (this.match(/^([^\[\]:]+):([^:]+)$/)) {
 188                         var addr = RegExp.$1
 189                         var port = RegExp.$2
 190                         return (cbi_validators.ip4addr.apply(addr) &&
 191                                 cbi_validators.port.apply(port));
 192                 } else if ((bracket == 1) && (this.match(/^\[(.+)\]:([^:]+)$/))) {
 193                         var addr = RegExp.$1
 194                         var port = RegExp.$2
 195                         return (cbi_validators.ip6addr.apply(addr) &&
 196                                 cbi_validators.port.apply(port));
 197                 } else if ((bracket != 1) && (this.match(/^([^\[\]]+):([^:]+)$/))) {
 198                         var addr = RegExp.$1
 199                         var port = RegExp.$2
 200                         return (cbi_validators.ip6addr.apply(addr) &&
 201                                 cbi_validators.port.apply(port));
 202                 } else {
 203                         return false;
 204                 }
 205         },
 206
 207         'wpakey': function()
 208         {
 209                 var v = this;
 210
 211                 if( v.length == 64 )
 212                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 213                 else
 214                         return (v.length >= 8) && (v.length <= 63);
 215         },
 216
 217         'wepkey': function()
 218         {
 219                 var v = this;
 220
 221                 if ( v.substr(0,2) == 's:' )
 222                         v = v.substr(2);
 223
 224                 if( (v.length == 10) || (v.length == 26) )
 225                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 226                 else
 227                         return (v.length == 5) || (v.length == 13);
 228         },
 229
 230         'uciname': function()
 231         {
 232                 return (this.match(/^[a-zA-Z0-9_]+$/) != null);
 233         },
 234
 235         'range': function(min, max)
 236         {
 237                 var val = parseFloat(this);
 238                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 239                         return ((val >= min) && (val <= max));
 240
 241                 return false;
 242         },
 243
 244         'min': function(min)
 245         {
 246                 var val = parseFloat(this);
 247                 if (!isNaN(min) && !isNaN(val))
 248                         return (val >= min);
 249
 250                 return false;
 251         },
 252
 253         'max': function(max)
 254         {
 255                 var val = parseFloat(this);
 256                 if (!isNaN(max) && !isNaN(val))
 257                         return (val <= max);
 258
 259                 return false;
 260         },
 261
 262         'rangelength': function(min, max)
 263         {
 264                 var val = '' + this;
 265                 if (!isNaN(min) && !isNaN(max))
 266                         return ((val.length >= min) && (val.length <= max));
 267
 268                 return false;
 269         },
 270
 271         'minlength': function(min)
 272         {
 273                 var val = '' + this;
 274                 if (!isNaN(min))
 275                         return (val.length >= min);
 276
 277                 return false;
 278         },
 279
 280         'maxlength': function(max)
 281         {
 282                 var val = '' + this;
 283                 if (!isNaN(max))
 284                         return (val.length <= max);
 285
 286                 return false;
 287         },
 288
 289         'or': function()
 290         {
 291                 for (var i = 0; i < arguments.length; i += 2)
 292                 {
 293                         if (typeof arguments[i] != 'function')
 294                         {
 295                                 if (arguments[i] == this)
 296                                         return true;
 297                                 i--;
 298                         }
 299                         else if (arguments[i].apply(this, arguments[i+1]))
 300                         {
 301                                 return true;
 302                         }
 303                 }
 304                 return false;
 305         },
 306
 307         'and': function()
 308         {
 309                 for (var i = 0; i < arguments.length; i += 2)
 310                 {
 311                         if (typeof arguments[i] != 'function')
 312                         {
 313                                 if (arguments[i] != this)
 314                                         return false;
 315                                 i--;
 316                         }
 317                         else if (!arguments[i].apply(this, arguments[i+1]))
 318                         {
 319                                 return false;
 320                         }
 321                 }
 322                 return true;
 323         },
 324
 325         'neg': function()
 326         {
 327                 return cbi_validators.or.apply(
 328                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 329         },
 330
 331         'list': function(subvalidator, subargs)
 332         {
 333                 if (typeof subvalidator != 'function')
 334                         return false;
 335
 336                 var tokens = this.match(/[^ \t]+/g);
 337                 for (var i = 0; i < tokens.length; i++)
 338                         if (!subvalidator.apply(tokens[i], subargs))
 339                                 return false;
 340
 341                 return true;
 342         },
 343         'phonedigit': function()
 344         {
 345                 return (this.match(/^[0-9\*#!\.]+$/) != null);
 346         },
 347         'timehhmmss': function()
 348         {
 349                 return (this.match(/^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$/) != null);
 350         },
 351         'dateyyyymmdd': function()
 352         {
 353                 if (this == null) {
 354                         return false;
 355                 }
 356                 if (this.match(/^(\d\d\d\d)-(\d\d)-(\d\d)/)) {
 357                         var year = RegExp.$1;
 358                         var month = RegExp.$2;
 359                         var day = RegExp.$2
 360
 361                         var days_in_month = [ 31, 28, 31, 30, 31, 30, 31, 31, 30 , 31, 30, 31 ];
 362                         function is_leap_year(year) {
 363                                 return ((year % 4) == 0) && ((year % 100) != 0) || ((year % 400) == 0);
 364                         }
 365                         function get_days_in_month(month, year) {
 366                                 if ((month == 2) && is_leap_year(year)) {
 367                                         return 29;
 368                                 } else {
 369                                         return days_in_month[month];
 370                                 }
 371                         }
 372                         /* Firewall rules in the past don't make sense */
 373                         if (year < 2015) {
 374                                 return false;
 375                         }
 376                         if ((month <= 0) || (month > 12)) {
 377                                 return false;
 378                         }
 379                         if ((day <= 0) || (day > get_days_in_month(month, year))) {
 380                                 return false;
 381                         }
 382                         return true;
 383
 384                 } else {
 385                         return false;
 386                 }
 387         }
 388 };
 389
 390
 391 function cbi_d_add(field, dep, index) {
 392         var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
 393         if (obj) {
 394                 var entry
 395                 for (var i=0; i<cbi_d.length; i++) {
 396                         if (cbi_d[i].id == obj.id) {
 397                                 entry = cbi_d[i];
 398                                 break;
 399                         }
 400                 }
 401                 if (!entry) {
 402                         entry = {
 403                                 "node": obj,
 404                                 "id": obj.id,
 405                                 "parent": obj.parentNode.id,
 406                                 "deps": [],
 407                                 "index": index
 408                         };
 409                         cbi_d.unshift(entry);
 410                 }
 411                 entry.deps.push(dep)
 412         }
 413 }
 414
 415 function cbi_d_checkvalue(target, ref) {
 416         var t = document.getElementById(target);
 417         var value;
 418
 419         if (!t) {
 420                 var tl = document.getElementsByName(target);
 421
 422                 if( tl.length > 0 && (tl[0].type == 'radio' || tl[0].type == 'checkbox'))
 423                         for( var i = 0; i < tl.length; i++ )
 424                                 if( tl[i].checked ) {
 425                                         value = tl[i].value;
 426                                         break;
 427                                 }
 428
 429                 value = value ? value : "";
 430         } else if (!t.value) {
 431                 value = "";
 432         } else {
 433                 value = t.value;
 434
 435                 if (t.type == "checkbox") {
 436                         value = t.checked ? value : "";
 437                 }
 438         }
 439
 440         return (value == ref)
 441 }
 442
 443 function cbi_d_check(deps) {
 444         var reverse;
 445         var def = false;
 446         for (var i=0; i<deps.length; i++) {
 447                 var istat = true;
 448                 reverse = false;
 449                 for (var j in deps[i]) {
 450                         if (j == "!reverse") {
 451                                 reverse = true;
 452                         } else if (j == "!default") {
 453                                 def = true;
 454                                 istat = false;
 455                         } else {
 456                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 457                         }
 458                 }
 459                 if (istat) {
 460                         return !reverse;
 461                 }
 462         }
 463         return def;
 464 }
 465
 466 function cbi_d_update() {
 467         var state = false;
 468         for (var i=0; i<cbi_d.length; i++) {
 469                 var entry = cbi_d[i];
 470                 var node  = document.getElementById(entry.id);
 471                 var parent = document.getElementById(entry.parent);
 472
 473                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 474                         node.parentNode.removeChild(node);
 475                         state = true;
 476                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 477                         var next = undefined;
 478
 479                         for (next = parent.firstChild; next; next = next.nextSibling) {
 480                                 if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index) {
 481                                         break;
 482                                 }
 483                         }
 484
 485                         if (!next) {
 486                                 parent.appendChild(entry.node);
 487                         } else {
 488                                 parent.insertBefore(entry.node, next);
 489                         }
 490
 491                         state = true;
 492                 }
 493
 494                 // hide optionals widget if no choices remaining
 495                 if (parent.parentNode && parent.getAttribute('data-optionals'))
 496                         parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
 497         }
 498
 499         if (entry && entry.parent) {
 500                 if (!cbi_t_update())
 501                         cbi_tag_last(parent);
 502         }
 503
 504         if (state) {
 505                 cbi_d_update();
 506         }
 507 }
 508
 509 function cbi_init() {
 510         var nodes = document.querySelectorAll('[data-depends]');
 511
 512         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 513                 var index = parseInt(node.getAttribute('data-index'), 10);
 514                 var depends = JSON.parse(node.getAttribute('data-depends'));
 515                 if (!isNaN(index) && depends.length > 0) {
 516                         for (var alt = 0; alt < depends.length; alt++) {
 517                                 cbi_d_add(node, depends[alt], index);
 518                         }
 519                 }
 520         }
 521
 522         nodes = document.querySelectorAll('[data-update]');
 523
 524         for (var i = 0, node; (node = nodes[i]) !== undefined; i++) {
 525                 var events = node.getAttribute('data-update').split(' ');
 526                 for (var j = 0, event; (event = events[j]) !== undefined; j++) {
 527                         cbi_bind(node, event, cbi_d_update);
 528                 }
 529         }
 530
 531         cbi_d_update();
 532 }
 533
 534 function cbi_bind(obj, type, callback, mode) {
 535         if (!obj.addEventListener) {
 536                 obj.attachEvent('on' + type,
 537                         function(){
 538                                 var e = window.event;
 539
 540                                 if (!e.target && e.srcElement)
 541                                         e.target = e.srcElement;
 542
 543                                 return !!callback(e);
 544                         }
 545                 );
 546         } else {
 547                 obj.addEventListener(type, callback, !!mode);
 548         }
 549         return obj;
 550 }
 551
 552 function cbi_combobox(id, values, def, man, focus) {
 553         var selid = "cbi.combobox." + id;
 554         if (document.getElementById(selid)) {
 555                 return
 556         }
 557
 558         var obj = document.getElementById(id)
 559         var sel = document.createElement("select");
 560                 sel.id = selid;
 561                 sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
 562
 563         if (obj.nextSibling) {
 564                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 565         } else {
 566                 obj.parentNode.appendChild(sel);
 567         }
 568
 569         var dt = obj.getAttribute('cbi_datatype');
 570         var op = obj.getAttribute('cbi_optional');
 571
 572         if (dt)
 573                 cbi_validate_field(sel, op == 'true', dt);
 574
 575         if (!values[obj.value]) {
 576                 if (obj.value == "") {
 577                         var optdef = document.createElement("option");
 578                         optdef.value = "";
 579                         optdef.appendChild(document.createTextNode(def));
 580                         sel.appendChild(optdef);
 581                 } else {
 582                         var opt = document.createElement("option");
 583                         opt.value = obj.value;
 584                         opt.selected = "selected";
 585                         opt.appendChild(document.createTextNode(obj.value));
 586                         sel.appendChild(opt);
 587                 }
 588         }
 589
 590         for (var i in values) {
 591                 var opt = document.createElement("option");
 592                 opt.value = i;
 593
 594                 if (obj.value == i) {
 595                         opt.selected = "selected";
 596                 }
 597
 598                 opt.appendChild(document.createTextNode(values[i]));
 599                 sel.appendChild(opt);
 600         }
 601
 602         var optman = document.createElement("option");
 603         optman.value = "";
 604         optman.appendChild(document.createTextNode(man));
 605         sel.appendChild(optman);
 606
 607         obj.style.display = "none";
 608
 609         cbi_bind(sel, "change", function() {
 610                 if (sel.selectedIndex == sel.options.length - 1) {
 611                         obj.style.display = "inline";
 612                         sel.blur();
 613                         sel.parentNode.removeChild(sel);
 614                         obj.focus();
 615                 } else {
 616                         obj.value = sel.options[sel.selectedIndex].value;
 617                 }
 618
 619                 try {
 620                         cbi_d_update();
 621                 } catch (e) {
 622                         //Do nothing
 623                 }
 624         })
 625
 626         // Retrigger validation in select
 627         if (focus) {
 628                 sel.focus();
 629                 sel.blur();
 630         }
 631 }
 632
 633 function cbi_combobox_init(id, values, def, man) {
 634         var obj = document.getElementById(id);
 635         cbi_bind(obj, "blur", function() {
 636                 cbi_combobox(id, values, def, man, true);
 637         });
 638         cbi_combobox(id, values, def, man, false);
 639 }
 640
 641 function cbi_filebrowser(id, url, defpath) {
 642         var field   = document.getElementById(id);
 643         var browser = window.open(
 644                 url + ( field.value || defpath || '' ) + '?field=' + id,
 645                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 646         );
 647
 648         browser.focus();
 649 }
 650
 651 function cbi_browser_init(id, respath, url, defpath)
 652 {
 653         function cbi_browser_btnclick(e) {
 654                 cbi_filebrowser(id, url, defpath);
 655                 return false;
 656         }
 657
 658         var field = document.getElementById(id);
 659
 660         var btn = document.createElement('img');
 661         btn.className = 'cbi-image-button';
 662         btn.src = respath + '/cbi/folder.gif';
 663         field.parentNode.insertBefore(btn, field.nextSibling);
 664
 665         cbi_bind(btn, 'click', cbi_browser_btnclick);
 666 }
 667
 668 function cbi_dynlist_init(name, respath, datatype, optional, url, defpath, choices)
 669 {
 670         var input0 = document.getElementsByName(name)[0];
 671         var prefix = input0.name;
 672         var parent = input0.parentNode;
 673         var holder = input0.placeholder;
 674
 675         var values;
 676
 677         function cbi_dynlist_redraw(focus, add, del)
 678         {
 679                 values = [ ];
 680
 681                 while (parent.firstChild)
 682                 {
 683                         var n = parent.firstChild;
 684                         var i = parseInt(n.index);
 685
 686                         if (i != del)
 687                         {
 688                                 if (n.nodeName.toLowerCase() == 'input')
 689                                         values.push(n.value || '');
 690                                 else if (n.nodeName.toLowerCase() == 'select')
 691                                         values[values.length-1] = n.options[n.selectedIndex].value;
 692                         }
 693
 694                         parent.removeChild(n);
 695                 }
 696
 697                 if (add >= 0)
 698                 {
 699                         focus = add+1;
 700                         values.splice(focus, 0, '');
 701                 }
 702                 else if (values.length == 0)
 703                 {
 704                         focus = 0;
 705                         values.push('');
 706                 }
 707
 708                 for (var i = 0; i < values.length; i++)
 709                 {
 710                         var t = document.createElement('input');
 711                                 t.id = prefix + '.' + (i+1);
 712                                 t.name = prefix;
 713                                 t.value = values[i];
 714                                 t.type = 'text';
 715                                 t.index = i;
 716                                 t.className = 'cbi-input-text';
 717
 718                         if (i == 0 && holder)
 719                         {
 720                                 t.placeholder = holder;
 721                         }
 722
 723                         var b = document.createElement('img');
 724                                 b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 725                                 b.className = 'cbi-image-button';
 726
 727                         parent.appendChild(t);
 728                         parent.appendChild(b);
 729                         if (datatype == 'file')
 730                         {
 731                                 cbi_browser_init(t.id, respath, url, defpath);
 732                         }
 733
 734                         parent.appendChild(document.createElement('br'));
 735
 736                         if (datatype)
 737                         {
 738                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 739                         }
 740
 741                         if (choices)
 742                         {
 743                                 cbi_combobox_init(t.id, choices[0], '', choices[1]);
 744                                 b.index = i;
 745
 746                                 cbi_bind(b, 'keydown',  cbi_dynlist_keydown);
 747                                 cbi_bind(b, 'keypress', cbi_dynlist_keypress);
 748
 749                                 if (i == focus || -i == focus)
 750                                         b.focus();
 751                         }
 752                         else
 753                         {
 754                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 755                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 756
 757                                 if (i == focus)
 758                                 {
 759                                         t.focus();
 760                                 }
 761                                 else if (-i == focus)
 762                                 {
 763                                         t.focus();
 764
 765                                         /* force cursor to end */
 766                                         var v = t.value;
 767                                         t.value = ' '
 768                                         t.value = v;
 769                                 }
 770                         }
 771
 772                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 773                 }
 774         }
 775
 776         function cbi_dynlist_keypress(ev)
 777         {
 778                 ev = ev ? ev : window.event;
 779
 780                 var se = ev.target ? ev.target : ev.srcElement;
 781
 782                 if (se.nodeType == 3)
 783                         se = se.parentNode;
 784
 785                 switch (ev.keyCode)
 786                 {
 787                         /* backspace, delete */
 788                         case 8:
 789                         case 46:
 790                                 if (se.value.length == 0)
 791                                 {
 792                                         if (ev.preventDefault)
 793                                                 ev.preventDefault();
 794
 795                                         return false;
 796                                 }
 797
 798                                 return true;
 799
 800                         /* enter, arrow up, arrow down */
 801                         case 13:
 802                         case 38:
 803                         case 40:
 804                                 if (ev.preventDefault)
 805                                         ev.preventDefault();
 806
 807                                 return false;
 808                 }
 809
 810                 return true;
 811         }
 812
 813         function cbi_dynlist_keydown(ev)
 814         {
 815                 ev = ev ? ev : window.event;
 816
 817                 var se = ev.target ? ev.target : ev.srcElement;
 818
 819                 if (se.nodeType == 3)
 820                         se = se.parentNode;
 821
 822                 var prev = se.previousSibling;
 823                 while (prev && prev.name != name)
 824                         prev = prev.previousSibling;
 825
 826                 var next = se.nextSibling;
 827                 while (next && next.name != name)
 828                         next = next.nextSibling;
 829
 830                 /* advance one further in combobox case */
 831                 if (next && next.nextSibling.name == name)
 832                         next = next.nextSibling;
 833
 834                 switch (ev.keyCode)
 835                 {
 836                         /* backspace, delete */
 837                         case 8:
 838                         case 46:
 839                                 var del = (se.nodeName.toLowerCase() == 'select')
 840                                         ? true : (se.value.length == 0);
 841
 842                                 if (del)
 843                                 {
 844                                         if (ev.preventDefault)
 845                                                 ev.preventDefault();
 846
 847                                         var focus = se.index;
 848                                         if (ev.keyCode == 8)
 849                                                 focus = -focus+1;
 850
 851                                         cbi_dynlist_redraw(focus, -1, se.index);
 852
 853                                         return false;
 854                                 }
 855
 856                                 break;
 857
 858                         /* enter */
 859                         case 13:
 860                                 cbi_dynlist_redraw(-1, se.index, -1);
 861                                 break;
 862
 863                         /* arrow up */
 864                         case 38:
 865                                 if (prev)
 866                                         prev.focus();
 867
 868                                 break;
 869
 870                         /* arrow down */
 871                         case 40:
 872                                 if (next)
 873                                         next.focus();
 874
 875                                 break;
 876                 }
 877
 878                 return true;
 879         }
 880
 881         function cbi_dynlist_btnclick(ev)
 882         {
 883                 ev = ev ? ev : window.event;
 884
 885                 var se = ev.target ? ev.target : ev.srcElement;
 886                 var input = se.previousSibling;
 887                 while (input && input.name != name) {
 888                         input = input.previousSibling;
 889                 }
 890
 891                 if (se.src.indexOf('remove') > -1)
 892                 {
 893                         input.value = '';
 894
 895                         cbi_dynlist_keydown({
 896                                 target:  input,
 897                                 keyCode: 8
 898                         });
 899                 }
 900                 else
 901                 {
 902                         cbi_dynlist_keydown({
 903                                 target:  input,
 904                                 keyCode: 13
 905                         });
 906                 }
 907
 908                 return false;
 909         }
 910
 911         cbi_dynlist_redraw(NaN, -1, -1);
 912 }
 913
 914
 915 function cbi_t_add(section, tab) {
 916         var t = document.getElementById('tab.' + section + '.' + tab);
 917         var c = document.getElementById('container.' + section + '.' + tab);
 918
 919         if( t && c ) {
 920                 cbi_t[section] = (cbi_t[section] || [ ]);
 921                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 922         }
 923 }
 924
 925 function cbi_t_switch(section, tab) {
 926         if( cbi_t[section] && cbi_t[section][tab] ) {
 927                 var o = cbi_t[section][tab];
 928                 var h = document.getElementById('tab.' + section);
 929                 for( var tid in cbi_t[section] ) {
 930                         var o2 = cbi_t[section][tid];
 931                         if( o.tab.id != o2.tab.id ) {
 932                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 933                                 o2.container.style.display = 'none';
 934                         }
 935                         else {
 936                                 if(h) h.value = tab;
 937                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 938                                 o2.container.style.display = 'block';
 939                         }
 940                 }
 941         }
 942         return false
 943 }
 944
 945 function cbi_t_update() {
 946         var hl_tabs = [ ];
 947         var updated = false;
 948
 949         for( var sid in cbi_t )
 950                 for( var tid in cbi_t[sid] )
 951                 {
 952                         var t = cbi_t[sid][tid].tab;
 953                         var c = cbi_t[sid][tid].container;
 954
 955                         if (!c.firstElementChild) {
 956                                 t.style.display = 'none';
 957                         }
 958                         else if (t.style.display == 'none') {
 959                                 t.style.display = '';
 960                                 t.className += ' cbi-tab-highlighted';
 961                                 hl_tabs.push(t);
 962                         }
 963
 964                         cbi_tag_last(c);
 965                         updated = true;
 966                 }
 967
 968         if (hl_tabs.length > 0)
 969                 window.setTimeout(function() {
 970                         for( var i = 0; i < hl_tabs.length; i++ )
 971                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 972                 }, 750);
 973
 974         return updated;
 975 }
 976
 977
 978 function cbi_validate_form(form, errmsg)
 979 {
 980         /* if triggered by a section removal or addition, don't validate */
 981         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 982                 return true;
 983
 984         if( form.cbi_validators )
 985         {
 986                 for( var i = 0; i < form.cbi_validators.length; i++ )
 987                 {
 988                         var validator = form.cbi_validators[i];
 989                         if( !validator() && errmsg )
 990                         {
 991                                 alert(errmsg);
 992                                 return false;
 993                         }
 994                 }
 995         }
 996
 997         return true;
 998 }
 999
1000 function cbi_validate_reset(form)
1001 {
1002         window.setTimeout(
1003                 function() { cbi_validate_form(form, null) }, 100
1004         );
1005
1006         return true;
1007 }
1008
1009 function cbi_validate_compile(code)
1010 {
1011         var pos = 0;
1012         var esc = false;
1013         var depth = 0;
1014         var stack = [ ];
1015
1016         code += ',';
1017
1018         for (var i = 0; i < code.length; i++)
1019         {
1020                 if (esc)
1021                 {
1022                         esc = false;
1023                         continue;
1024                 }
1025
1026                 switch (code.charCodeAt(i))
1027                 {
1028                 case 92:
1029                         esc = true;
1030                         break;
1031
1032                 case 40:
1033                 case 44:
1034                         if (depth <= 0)
1035                         {
1036                                 if (pos < i)
1037                                 {
1038                                         var label = code.substring(pos, i);
1039                                                 label = label.replace(/\\(.)/g, '$1');
1040                                                 label = label.replace(/^[ \t]+/g, '');
1041                                                 label = label.replace(/[ \t]+$/g, '');
1042
1043                                         if (label && !isNaN(label))
1044                                         {
1045                                                 stack.push(parseFloat(label));
1046                                         }
1047                                         else if (label.match(/^(['"]).*\1$/))
1048                                         {
1049                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
1050                                         }
1051                                         else if (typeof cbi_validators[label] == 'function')
1052                                         {
1053                                                 stack.push(cbi_validators[label]);
1054                                                 stack.push(null);
1055                                         }
1056                                         else
1057                                         {
1058                                                 throw "Syntax error, unhandled token '"+label+"'";
1059                                         }
1060                                 }
1061                                 pos = i+1;
1062                         }
1063                         depth += (code.charCodeAt(i) == 40);
1064                         break;
1065
1066                 case 41:
1067                         if (--depth <= 0)
1068                         {
1069                                 if (typeof stack[stack.length-2] != 'function')
1070                                         throw "Syntax error, argument list follows non-function";
1071
1072                                 stack[stack.length-1] =
1073                                         arguments.callee(code.substring(pos, i));
1074
1075                                 pos = i+1;
1076                         }
1077                         break;
1078                 }
1079         }
1080
1081         return stack;
1082 }
1083
1084 function cbi_validate_field(cbid, optional, type)
1085 {
1086         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
1087         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
1088
1089         if (field && vstack && typeof vstack[0] == "function")
1090         {
1091                 var validator = function()
1092                 {
1093                         // is not detached
1094                         if( field.form )
1095                         {
1096                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
1097
1098                                 // validate value
1099                                 var value = (field.options && field.options.selectedIndex > -1)
1100                                         ? field.options[field.options.selectedIndex].value : field.value;
1101
1102                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
1103                                 {
1104                                         // invalid
1105                                         field.className += ' cbi-input-invalid';
1106                                         return false;
1107                                 }
1108                         }
1109
1110                         return true;
1111                 };
1112
1113                 if( ! field.form.cbi_validators )
1114                         field.form.cbi_validators = [ ];
1115
1116                 field.form.cbi_validators.push(validator);
1117
1118                 cbi_bind(field, "blur",  validator);
1119                 cbi_bind(field, "keyup", validator);
1120
1121                 if (field.nodeName == 'SELECT')
1122                 {
1123                         cbi_bind(field, "change", validator);
1124                         cbi_bind(field, "click",  validator);
1125                 }
1126
1127                 field.setAttribute("cbi_validate", validator);
1128                 field.setAttribute("cbi_datatype", type);
1129                 field.setAttribute("cbi_optional", (!!optional).toString());
1130
1131                 validator();
1132
1133                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
1134                 if (fcbox)
1135                         cbi_validate_field(fcbox, optional, type);
1136         }
1137 }
1138
1139 function cbi_row_swap(elem, up, store)
1140 {
1141         var tr = elem.parentNode;
1142         while (tr && tr.nodeName.toLowerCase() != 'tr')
1143                 tr = tr.parentNode;
1144
1145         if (!tr)
1146                 return false;
1147
1148         var table = tr.parentNode;
1149         while (table && table.nodeName.toLowerCase() != 'table')
1150                 table = table.parentNode;
1151
1152         if (!table)
1153                 return false;
1154
1155         var s = up ? 3 : 2;
1156         var e = up ? table.rows.length : table.rows.length - 1;
1157
1158         for (var idx = s; idx < e; idx++)
1159         {
1160                 if (table.rows[idx] == tr)
1161                 {
1162                         if (up)
1163                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1164                         else
1165                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1166
1167                         break;
1168                 }
1169         }
1170
1171         var ids = [ ];
1172         for (idx = 2; idx < table.rows.length; idx++)
1173         {
1174                 table.rows[idx].className = table.rows[idx].className.replace(
1175                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1176                 );
1177
1178                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1179                         ids.push(RegExp.$1);
1180         }
1181
1182         var input = document.getElementById(store);
1183         if (input)
1184                 input.value = ids.join(' ');
1185
1186         return false;
1187 }
1188
1189 function cbi_tag_last(container)
1190 {
1191         var last;
1192
1193         for (var i = 0; i < container.childNodes.length; i++)
1194         {
1195                 var c = container.childNodes[i];
1196                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1197                 {
1198                         c.className = c.className.replace(/ cbi-value-last$/, '');
1199                         last = c;
1200                 }
1201         }
1202
1203         if (last)
1204         {
1205                 last.className += ' cbi-value-last';
1206         }
1207 }
1208
1209 String.prototype.serialize = function()
1210 {
1211         var o = this;
1212         switch(typeof(o))
1213         {
1214                 case 'object':
1215                         // null
1216                         if( o == null )
1217                         {
1218                                 return 'null';
1219                         }
1220
1221                         // array
1222                         else if( o.length )
1223                         {
1224                                 var i, s = '';
1225
1226                                 for( var i = 0; i < o.length; i++ )
1227                                         s += (s ? ', ' : '') + String.serialize(o[i]);
1228
1229                                 return '[ ' + s + ' ]';
1230                         }
1231
1232                         // object
1233                         else
1234                         {
1235                                 var k, s = '';
1236
1237                                 for( k in o )
1238                                         s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1239
1240                                 return '{ ' + s + ' }';
1241                         }
1242
1243                         break;
1244
1245                 case 'string':
1246                         // complex string
1247                         if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1248                                 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1249
1250                         // simple string
1251                         else
1252                                 return '"' + o + '"';
1253
1254                         break;
1255
1256                 default:
1257                         return o.toString();
1258         }
1259 }
1260
1261 String.prototype.format = function()
1262 {
1263         if (!RegExp)
1264                 return;
1265
1266         var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1267         var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1268
1269         function esc(s, r) {
1270                 for( var i = 0; i < r.length; i += 2 )
1271                         s = s.replace(r[i], r[i+1]);
1272                 return s;
1273         }
1274
1275         var str = this;
1276         var out = '';
1277         var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1278         var a = b = [], numSubstitutions = 0, numMatches = 0;
1279
1280         while( a = re.exec(str) )
1281         {
1282                 var m = a[1];
1283                 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1284                 var pPrecision = a[6], pType = a[7];
1285
1286                 numMatches++;
1287
1288                 if (pType == '%')
1289                 {
1290                         subst = '%';
1291                 }
1292                 else
1293                 {
1294                         if (numSubstitutions < arguments.length)
1295                         {
1296                                 var param = arguments[numSubstitutions++];
1297
1298                                 var pad = '';
1299                                 if (pPad && pPad.substr(0,1) == "'")
1300                                         pad = leftpart.substr(1,1);
1301                                 else if (pPad)
1302                                         pad = pPad;
1303
1304                                 var justifyRight = true;
1305                                 if (pJustify && pJustify === "-")
1306                                         justifyRight = false;
1307
1308                                 var minLength = -1;
1309                                 if (pMinLength)
1310                                         minLength = parseInt(pMinLength);
1311
1312                                 var precision = -1;
1313                                 if (pPrecision && pType == 'f')
1314                                         precision = parseInt(pPrecision.substring(1));
1315
1316                                 var subst = param;
1317
1318                                 switch(pType)
1319                                 {
1320                                         case 'b':
1321                                                 subst = (parseInt(param) || 0).toString(2);
1322                                                 break;
1323
1324                                         case 'c':
1325                                                 subst = String.fromCharCode(parseInt(param) || 0);
1326                                                 break;
1327
1328                                         case 'd':
1329                                                 subst = (parseInt(param) || 0);
1330                                                 break;
1331
1332                                         case 'u':
1333                                                 subst = Math.abs(parseInt(param) || 0);
1334                                                 break;
1335
1336                                         case 'f':
1337                                                 subst = (precision > -1)
1338                                                         ? ((parseFloat(param) || 0.0)).toFixed(precision)
1339                                                         : (parseFloat(param) || 0.0);
1340                                                 break;
1341
1342                                         case 'o':
1343                                                 subst = (parseInt(param) || 0).toString(8);
1344                                                 break;
1345
1346                                         case 's':
1347                                                 subst = param;
1348                                                 break;
1349
1350                                         case 'x':
1351                                                 subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
1352                                                 break;
1353
1354                                         case 'X':
1355                                                 subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
1356                                                 break;
1357
1358                                         case 'h':
1359                                                 subst = esc(param, html_esc);
1360                                                 break;
1361
1362                                         case 'q':
1363                                                 subst = esc(param, quot_esc);
1364                                                 break;
1365
1366                                         case 'j':
1367                                                 subst = String.serialize(param);
1368                                                 break;
1369
1370                                         case 't':
1371                                                 var td = 0;
1372                                                 var th = 0;
1373                                                 var tm = 0;
1374                                                 var ts = (param || 0);
1375
1376                                                 if (ts > 60) {
1377                                                         tm = Math.floor(ts / 60);
1378                                                         ts = (ts % 60);
1379                                                 }
1380
1381                                                 if (tm > 60) {
1382                                                         th = Math.floor(tm / 60);
1383                                                         tm = (tm % 60);
1384                                                 }
1385
1386                                                 if (th > 24) {
1387                                                         td = Math.floor(th / 24);
1388                                                         th = (th % 24);
1389                                                 }
1390
1391                                                 subst = (td > 0)
1392                                                         ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1393                                                         : String.format('%dh %dm %ds', th, tm, ts);
1394
1395                                                 break;
1396
1397                                         case 'm':
1398                                                 var mf = pMinLength ? parseInt(pMinLength) : 1000;
1399                                                 var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1400
1401                                                 var i = 0;
1402                                                 var val = parseFloat(param || 0);
1403                                                 var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1404
1405                                                 for (i = 0; (i < units.length) && (val > mf); i++)
1406                                                         val /= mf;
1407
1408                                                 subst = val.toFixed(pr) + ' ' + units[i];
1409                                                 break;
1410                                 }
1411                         }
1412                 }
1413
1414                 out += leftpart + subst;
1415                 str = str.substr(m.length);
1416         }
1417
1418         return out + str;
1419 }
1420
1421 String.prototype.nobr = function()
1422 {
1423         return this.replace(/[\s\n]+/g, '&#160;');
1424 }
1425
1426 String.serialize = function()
1427 {
1428         var a = [ ];
1429         for (var i = 1; i < arguments.length; i++)
1430                 a.push(arguments[i]);
1431         return ''.serialize.apply(arguments[0], a);
1432 }
1433
1434 String.format = function()
1435 {
1436         var a = [ ];
1437         for (var i = 1; i < arguments.length; i++)
1438                 a.push(arguments[i]);
1439         return ''.format.apply(arguments[0], a);
1440 }
1441
1442 String.nobr = function()
1443 {
1444         var a = [ ];
1445         for (var i = 1; i < arguments.length; i++)
1446                 a.push(arguments[i]);
1447         return ''.nobr.apply(arguments[0], a);
1448 }