libs/web/htdocs/luci-static/resources/cbi.js

   1 /*
   2         LuCI - Lua Configuration Interface
   3
   4         Copyright 2008 Steven Barth <steven@midlink.org>
   5         Copyright 2008-2011 Jo-Philipp Wich <xm@subsignal.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_c = [];
  17
  18 var cbi_validators = {
  19
  20         'integer': function(v)
  21         {
  22                 return (v.match(/^-?[0-9]+$/) != null);
  23         },
  24
  25         'uinteger': function(v)
  26         {
  27                 return (cbi_validators.integer(v) && (v >= 0));
  28         },
  29
  30         'float': function(v)
  31         {
  32                 return !isNaN(parseFloat(v));
  33         },
  34
  35         'ufloat': function(v)
  36         {
  37                 return (cbi_validators['float'](v) && (v >= 0));
  38         },
  39
  40         'ipaddr': function(v)
  41         {
  42                 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
  43         },
  44
  45         'neg_ipaddr': function(v)
  46         {
  47                 return cbi_validators.ip4addr(v.replace(/^\s*!/, "")) || cbi_validators.ip6addr(v.replace(/^\s*!/, ""));
  48         },
  49
  50         'ip4addr': function(v)
  51         {
  52                 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
  53                 {
  54                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  55                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  56                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  57                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  58                                (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
  59                         ;
  60                 }
  61
  62                 return false;
  63         },
  64
  65         'neg_ip4addr': function(v)
  66         {
  67                 return cbi_validators.ip4addr(v.replace(/^\s*!/, ""));
  68         },
  69
  70         'ip6addr': function(v)
  71         {
  72                 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  73                 {
  74                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  75                         {
  76                                 var addr = RegExp.$1;
  77
  78                                 if( addr == '::' )
  79                                 {
  80                                         return true;
  81                                 }
  82
  83                                 if( addr.indexOf('.') > 0 )
  84                                 {
  85                                         var off = addr.lastIndexOf(':');
  86
  87                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  88                                                 return false;
  89
  90                                         addr = addr.substr(0, off) + ':0:0';
  91                                 }
  92
  93                                 if( addr.indexOf('::') >= 0 )
  94                                 {
  95                                         var colons = 0;
  96                                         var fill = '0';
  97
  98                                         for( var i = 1; i < (addr.length-1); i++ )
  99                                                 if( addr.charAt(i) == ':' )
 100                                                         colons++;
 101
 102                                         if( colons > 7 )
 103                                                 return false;
 104
 105                                         for( var i = 0; i < (7 - colons); i++ )
 106                                                 fill += ':0';
 107
 108                                         if (addr.match(/^(.*?)::(.*?)$/))
 109                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 110                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 111                                 }
 112
 113                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 114                         }
 115                 }
 116
 117                 return false;
 118         },
 119
 120         'port': function(v)
 121         {
 122                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 123         },
 124
 125         'portrange': function(v)
 126         {
 127                 if( v.match(/^(\d+)-(\d+)$/) )
 128                 {
 129                         var p1 = RegExp.$1;
 130                         var p2 = RegExp.$2;
 131
 132                         return cbi_validators.port(p1) &&
 133                                cbi_validators.port(p2) &&
 134                                (parseInt(p1) <= parseInt(p2))
 135                         ;
 136                 }
 137                 else
 138                 {
 139                         return cbi_validators.port(v);
 140                 }
 141         },
 142
 143         'macaddr': function(v)
 144         {
 145                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 146         },
 147
 148         'host': function(v)
 149         {
 150                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 151         },
 152
 153         'hostname': function(v)
 154         {       if ( v.length <= 253 )
 155                         return (v.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) != null);
 156
 157                 return false;
 158         },
 159
 160         'wpakey': function(v)
 161         {
 162                 if( v.length == 64 )
 163                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 164                 else
 165                         return (v.length >= 8) && (v.length <= 63);
 166         },
 167
 168         'wepkey': function(v)
 169         {
 170                 if( v.substr(0,2) == 's:' )
 171                         v = v.substr(2);
 172
 173                 if( (v.length == 10) || (v.length == 26) )
 174                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 175                 else
 176                         return (v.length == 5) || (v.length == 13);
 177         },
 178
 179         'uciname': function(v)
 180         {
 181                 return (v.match(/^[a-zA-Z0-9_]+$/) != null);
 182         },
 183
 184         'neg_network_ip4addr': function(v)
 185         {
 186                 v = v.replace(/^\s*!/, "");
 187                 return cbi_validators.uciname(v) || cbi_validators.ip4addr(v);
 188         },
 189
 190         'range': function(v, args)
 191         {
 192                 var min = parseInt(args[0]);
 193                 var max = parseInt(args[1]);
 194                 var val = parseInt(v);
 195
 196                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 197                         return ((val >= min) && (val <= max));
 198
 199                 return false;
 200         },
 201
 202         'min': function(v, args)
 203         {
 204                 var min = parseInt(args[0]);
 205                 var val = parseInt(v);
 206
 207                 if (!isNaN(min) && !isNaN(val))
 208                         return (val >= min);
 209
 210                 return false;
 211         },
 212
 213         'max': function(v, args)
 214         {
 215                 var max = parseInt(args[0]);
 216                 var val = parseInt(v);
 217
 218                 if (!isNaN(max) && !isNaN(val))
 219                         return (val <= max);
 220
 221                 return false;
 222         },
 223
 224         'neg': function(v, args)
 225         {
 226                 if (args[0] && typeof cbi_validators[args[0]] == "function")
 227                         return cbi_validators[args[0]](v.replace(/^\s*!\s*/, ''));
 228
 229                 return false;
 230         }
 231 };
 232
 233
 234 function cbi_d_add(field, dep, next) {
 235         var obj = document.getElementById(field);
 236         if (obj) {
 237                 var entry
 238                 for (var i=0; i<cbi_d.length; i++) {
 239                         if (cbi_d[i].id == field) {
 240                                 entry = cbi_d[i];
 241                                 break;
 242                         }
 243                 }
 244                 if (!entry) {
 245                         entry = {
 246                                 "node": obj,
 247                                 "id": field,
 248                                 "parent": obj.parentNode.id,
 249                                 "next": next,
 250                                 "deps": []
 251                         };
 252                         cbi_d.unshift(entry);
 253                 }
 254                 entry.deps.push(dep)
 255         }
 256 }
 257
 258 function cbi_d_checkvalue(target, ref) {
 259         var t = document.getElementById(target);
 260         var value;
 261
 262         if (!t) {
 263                 var tl = document.getElementsByName(target);
 264
 265                 if( tl.length > 0 && tl[0].type == 'radio' )
 266                         for( var i = 0; i < tl.length; i++ )
 267                                 if( tl[i].checked ) {
 268                                         value = tl[i].value;
 269                                         break;
 270                                 }
 271
 272                 value = value ? value : "";
 273         } else if (!t.value) {
 274                 value = "";
 275         } else {
 276                 value = t.value;
 277
 278                 if (t.type == "checkbox") {
 279                         value = t.checked ? value : "";
 280                 }
 281         }
 282
 283         return (value == ref)
 284 }
 285
 286 function cbi_d_check(deps) {
 287         var reverse;
 288         var def = false;
 289         for (var i=0; i<deps.length; i++) {
 290                 var istat = true;
 291                 reverse = false;
 292                 for (var j in deps[i]) {
 293                         if (j == "!reverse") {
 294                                 reverse = true;
 295                         } else if (j == "!default") {
 296                                 def = true;
 297                                 istat = false;
 298                         } else {
 299                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 300                         }
 301                 }
 302                 if (istat) {
 303                         return !reverse;
 304                 }
 305         }
 306         return def;
 307 }
 308
 309 function cbi_d_update() {
 310         var state = false;
 311         for (var i=0; i<cbi_d.length; i++) {
 312                 var entry = cbi_d[i];
 313                 var next  = document.getElementById(entry.next)
 314                 var node  = document.getElementById(entry.id)
 315                 var parent = document.getElementById(entry.parent)
 316
 317                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 318                         node.parentNode.removeChild(node);
 319                         state = true;
 320                         if( entry.parent )
 321                                 cbi_c[entry.parent]--;
 322                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 323                         if (!next) {
 324                                 parent.appendChild(entry.node);
 325                         } else {
 326                                 next.parentNode.insertBefore(entry.node, next);
 327                         }
 328                         state = true;
 329                         if( entry.parent )
 330                                 cbi_c[entry.parent]++;
 331                 }
 332         }
 333
 334         if (entry && entry.parent) {
 335                 cbi_t_update();
 336         }
 337
 338         if (state) {
 339                 cbi_d_update();
 340         }
 341 }
 342
 343 function cbi_bind(obj, type, callback, mode) {
 344         if (!obj.addEventListener) {
 345                 obj.attachEvent('on' + type,
 346                         function(){
 347                                 var e = window.event;
 348
 349                                 if (!e.target && e.srcElement)
 350                                         e.target = e.srcElement;
 351
 352                                 return !!callback(e);
 353                         }
 354                 );
 355         } else {
 356                 obj.addEventListener(type, callback, !!mode);
 357         }
 358         return obj;
 359 }
 360
 361 function cbi_combobox(id, values, def, man) {
 362         var selid = "cbi.combobox." + id;
 363         if (document.getElementById(selid)) {
 364                 return
 365         }
 366
 367         var obj = document.getElementById(id)
 368         var sel = document.createElement("select");
 369                 sel.id = selid;
 370                 sel.className = 'cbi-input-select';
 371
 372         if (obj.nextSibling) {
 373                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 374         } else {
 375                 obj.parentNode.appendChild(sel);
 376         }
 377
 378         var dt = obj.getAttribute('cbi_datatype');
 379         var op = obj.getAttribute('cbi_optional');
 380
 381         if (dt)
 382                 cbi_validate_field(sel, op == 'true', dt);
 383
 384         if (!values[obj.value]) {
 385                 if (obj.value == "") {
 386                         var optdef = document.createElement("option");
 387                         optdef.value = "";
 388                         optdef.appendChild(document.createTextNode(def));
 389                         sel.appendChild(optdef);
 390                 } else {
 391                         var opt = document.createElement("option");
 392                         opt.value = obj.value;
 393                         opt.selected = "selected";
 394                         opt.appendChild(document.createTextNode(obj.value));
 395                         sel.appendChild(opt);
 396                 }
 397         }
 398
 399         for (var i in values) {
 400                 var opt = document.createElement("option");
 401                 opt.value = i;
 402
 403                 if (obj.value == i) {
 404                         opt.selected = "selected";
 405                 }
 406
 407                 opt.appendChild(document.createTextNode(values[i]));
 408                 sel.appendChild(opt);
 409         }
 410
 411         var optman = document.createElement("option");
 412         optman.value = "";
 413         optman.appendChild(document.createTextNode(man));
 414         sel.appendChild(optman);
 415
 416         obj.style.display = "none";
 417
 418         cbi_bind(sel, "change", function() {
 419                 if (sel.selectedIndex == sel.options.length - 1) {
 420                         obj.style.display = "inline";
 421                         sel.parentNode.removeChild(sel);
 422                         obj.focus();
 423                 } else {
 424                         obj.value = sel.options[sel.selectedIndex].value;
 425                 }
 426
 427                 try {
 428                         cbi_d_update();
 429                 } catch (e) {
 430                         //Do nothing
 431                 }
 432         })
 433 }
 434
 435 function cbi_combobox_init(id, values, def, man) {
 436         var obj = document.getElementById(id);
 437         cbi_bind(obj, "blur", function() {
 438                 cbi_combobox(id, values, def, man)
 439         });
 440         cbi_combobox(id, values, def, man);
 441 }
 442
 443 function cbi_filebrowser(id, url, defpath) {
 444         var field   = document.getElementById(id);
 445         var browser = window.open(
 446                 url + ( field.value || defpath || '' ) + '?field=' + id,
 447                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 448         );
 449
 450         browser.focus();
 451 }
 452
 453 function cbi_browser_init(id, respath, url, defpath)
 454 {
 455         function cbi_browser_btnclick(e) {
 456                 cbi_filebrowser(id, url, defpath);
 457                 return false;
 458         }
 459
 460         var field = document.getElementById(id);
 461
 462         var btn = document.createElement('img');
 463         btn.className = 'cbi-image-button';
 464         btn.src = respath + '/cbi/folder.gif';
 465         field.parentNode.insertBefore(btn, field.nextSibling);
 466
 467         cbi_bind(btn, 'click', cbi_browser_btnclick);
 468 }
 469
 470 function cbi_dynlist_init(name, respath)
 471 {
 472         function cbi_dynlist_renumber(e)
 473         {
 474                 /* in a perfect world, we could just getElementsByName() - but not if
 475                  * MSIE is involved... */
 476                 var inputs = [ ]; // = document.getElementsByName(name);
 477                 for (var i = 0; i < e.parentNode.childNodes.length; i++)
 478                         if (e.parentNode.childNodes[i].name == name)
 479                                 inputs.push(e.parentNode.childNodes[i]);
 480
 481                 for (var i = 0; i < inputs.length; i++)
 482                 {
 483                         inputs[i].id = name + '.' + (i + 1);
 484                         inputs[i].nextSibling.src = respath + (
 485                                 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
 486                         );
 487                 }
 488
 489                 e.focus();
 490         }
 491
 492         function cbi_dynlist_keypress(ev)
 493         {
 494                 ev = ev ? ev : window.event;
 495
 496                 var se = ev.target ? ev.target : ev.srcElement;
 497
 498                 if (se.nodeType == 3)
 499                         se = se.parentNode;
 500
 501                 switch (ev.keyCode)
 502                 {
 503                         /* backspace, delete */
 504                         case 8:
 505                         case 46:
 506                                 if (se.value.length == 0)
 507                                 {
 508                                         if (ev.preventDefault)
 509                                                 ev.preventDefault();
 510
 511                                         return false;
 512                                 }
 513
 514                                 return true;
 515
 516                         /* enter, arrow up, arrow down */
 517                         case 13:
 518                         case 38:
 519                         case 40:
 520                                 if (ev.preventDefault)
 521                                         ev.preventDefault();
 522
 523                                 return false;
 524                 }
 525
 526                 return true;
 527         }
 528
 529         function cbi_dynlist_keydown(ev)
 530         {
 531                 ev = ev ? ev : window.event;
 532
 533                 var se = ev.target ? ev.target : ev.srcElement;
 534
 535                 if (se.nodeType == 3)
 536                         se = se.parentNode;
 537
 538                 var prev = se.previousSibling;
 539                 while (prev && prev.name != name)
 540                         prev = prev.previousSibling;
 541
 542                 var next = se.nextSibling;
 543                 while (next && next.name != name)
 544                         next = next.nextSibling;
 545
 546                 switch (ev.keyCode)
 547                 {
 548                         /* backspace, delete */
 549                         case 8:
 550                         case 46:
 551                                 var jump = (ev.keyCode == 8)
 552                                         ? (prev || next) : (next || prev);
 553
 554                                 if (se.value.length == 0 && jump)
 555                                 {
 556                                         se.parentNode.removeChild(se.nextSibling.nextSibling);
 557                                         se.parentNode.removeChild(se.nextSibling);
 558                                         se.parentNode.removeChild(se);
 559
 560                                         cbi_dynlist_renumber(jump);
 561
 562                                         if (ev.preventDefault)
 563                                                 ev.preventDefault();
 564
 565                                         /* IE Quirk, needs double focus somehow */
 566                                         jump.focus();
 567
 568                                         return false;
 569                                 }
 570
 571                                 break;
 572
 573                         /* enter */
 574                         case 13:
 575                                 var n = document.createElement('input');
 576                                         n.name       = se.name;
 577                                         n.type       = se.type;
 578
 579                                 var b = document.createElement('img');
 580
 581                                 cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
 582                                 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
 583                                 cbi_bind(b, 'click',    cbi_dynlist_btnclick);
 584
 585                                 if (next)
 586                                 {
 587                                         se.parentNode.insertBefore(n, next);
 588                                         se.parentNode.insertBefore(b, next);
 589                                         se.parentNode.insertBefore(document.createElement('br'), next);
 590                                 }
 591                                 else
 592                                 {
 593                                         se.parentNode.appendChild(n);
 594                                         se.parentNode.appendChild(b);
 595                                         se.parentNode.appendChild(document.createElement('br'));
 596                                 }
 597
 598                                 var dt = se.getAttribute('cbi_datatype');
 599                                 var op = se.getAttribute('cbi_optional') == 'true';
 600
 601                                 if (dt)
 602                                         cbi_validate_field(n, op, dt);
 603
 604                                 cbi_dynlist_renumber(n);
 605                                 break;
 606
 607                         /* arrow up */
 608                         case 38:
 609                                 if (prev)
 610                                         prev.focus();
 611
 612                                 break;
 613
 614                         /* arrow down */
 615                         case 40:
 616                                 if (next)
 617                                         next.focus();
 618
 619                                 break;
 620                 }
 621
 622                 return true;
 623         }
 624
 625         function cbi_dynlist_btnclick(ev)
 626         {
 627                 ev = ev ? ev : window.event;
 628
 629                 var se = ev.target ? ev.target : ev.srcElement;
 630
 631                 if (se.src.indexOf('remove') > -1)
 632                 {
 633                         se.previousSibling.value = '';
 634
 635                         cbi_dynlist_keydown({
 636                                 target:  se.previousSibling,
 637                                 keyCode: 8
 638                         });
 639                 }
 640                 else
 641                 {
 642                         cbi_dynlist_keydown({
 643                                 target:  se.previousSibling,
 644                                 keyCode: 13
 645                         });
 646                 }
 647
 648                 return false;
 649         }
 650
 651         var inputs = document.getElementsByName(name);
 652         for( var i = 0; i < inputs.length; i++ )
 653         {
 654                 var btn = document.createElement('img');
 655                         btn.className = 'cbi-image-button';
 656                         btn.src = respath + (
 657                                 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
 658                         );
 659
 660                 inputs[i].parentNode.insertBefore(btn, inputs[i].nextSibling);
 661
 662                 cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
 663                 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
 664                 cbi_bind(btn,       'click',    cbi_dynlist_btnclick);
 665         }
 666 }
 667
 668 //Hijacks the CBI form to send via XHR (requires Prototype)
 669 function cbi_hijack_forms(layer, win, fail, load) {
 670         var forms = layer.getElementsByTagName('form');
 671         for (var i=0; i<forms.length; i++) {
 672                 $(forms[i]).observe('submit', function(event) {
 673                         // Prevent the form from also submitting the regular way
 674                         event.stop();
 675
 676                         // Submit via XHR
 677                         event.element().request({
 678                                 onSuccess: win,
 679                                 onFailure: fail
 680                         });
 681
 682                         if (load) {
 683                                 load();
 684                         }
 685                 });
 686         }
 687 }
 688
 689
 690 function cbi_t_add(section, tab) {
 691         var t = document.getElementById('tab.' + section + '.' + tab);
 692         var c = document.getElementById('container.' + section + '.' + tab);
 693
 694         if( t && c ) {
 695                 cbi_t[section] = (cbi_t[section] || [ ]);
 696                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 697         }
 698 }
 699
 700 function cbi_t_switch(section, tab) {
 701         if( cbi_t[section] && cbi_t[section][tab] ) {
 702                 var o = cbi_t[section][tab];
 703                 var h = document.getElementById('tab.' + section);
 704                 for( var tid in cbi_t[section] ) {
 705                         var o2 = cbi_t[section][tid];
 706                         if( o.tab.id != o2.tab.id ) {
 707                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 708                                 o2.container.style.display = 'none';
 709                         }
 710                         else {
 711                                 if(h) h.value = tab;
 712                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 713                                 o2.container.style.display = 'block';
 714                         }
 715                 }
 716         }
 717         return false
 718 }
 719
 720 function cbi_t_update() {
 721         var hl_tabs = [ ];
 722
 723         for( var sid in cbi_t )
 724                 for( var tid in cbi_t[sid] )
 725                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 726                                 cbi_t[sid][tid].tab.style.display = 'none';
 727                         }
 728                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 729                                 cbi_t[sid][tid].tab.style.display = '';
 730
 731                                 var t = cbi_t[sid][tid].tab;
 732                                 t.className += ' cbi-tab-highlighted';
 733                                 hl_tabs.push(t);
 734                         }
 735
 736         if( hl_tabs.length > 0 )
 737                 window.setTimeout(function() {
 738                         for( var i = 0; i < hl_tabs.length; i++ )
 739                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 740                 }, 750);
 741 }
 742
 743
 744 function cbi_validate_form(form, errmsg)
 745 {
 746         /* if triggered by a section removal or addition, don't validate */
 747         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 748                 return true;
 749
 750         if( form.cbi_validators )
 751         {
 752                 for( var i = 0; i < form.cbi_validators.length; i++ )
 753                 {
 754                         var validator = form.cbi_validators[i];
 755                         if( !validator() && errmsg )
 756                         {
 757                                 alert(errmsg);
 758                                 return false;
 759                         }
 760                 }
 761         }
 762
 763         return true;
 764 }
 765
 766 function cbi_validate_reset(form)
 767 {
 768         window.setTimeout(
 769                 function() { cbi_validate_form(form, null) }, 100
 770         );
 771
 772         return true;
 773 }
 774
 775 function cbi_validate_field(cbid, optional, type)
 776 {
 777         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 778         var vargs;
 779
 780         if( type.match(/^(\w+)\(([^\(\)]+)\)/) )
 781         {
 782                 type  = RegExp.$1;
 783                 vargs = RegExp.$2.split(/\s*,\s*/);
 784         }
 785
 786         var vldcb = cbi_validators[type];
 787
 788         if( field && vldcb )
 789         {
 790                 var validator = function()
 791                 {
 792                         // is not detached
 793                         if( field.form )
 794                         {
 795                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 796
 797                                 // validate value
 798                                 var value = (field.options && field.options.selectedIndex > -1)
 799                                         ? field.options[field.options.selectedIndex].value : field.value;
 800
 801                                 if( !(((value.length == 0) && optional) || vldcb(value, vargs)) )
 802                                 {
 803                                         // invalid
 804                                         field.className += ' cbi-input-invalid';
 805                                         return false;
 806                                 }
 807                         }
 808
 809                         return true;
 810                 };
 811
 812                 if( ! field.form.cbi_validators )
 813                         field.form.cbi_validators = [ ];
 814
 815                 field.form.cbi_validators.push(validator);
 816
 817                 cbi_bind(field, "blur",  validator);
 818                 cbi_bind(field, "keyup", validator);
 819
 820                 if (field.nodeName == 'SELECT')
 821                 {
 822                         cbi_bind(field, "change", validator);
 823                         cbi_bind(field, "click",  validator);
 824                 }
 825
 826                 field.setAttribute("cbi_validate", validator);
 827                 field.setAttribute("cbi_datatype", type);
 828                 field.setAttribute("cbi_optional", (!!optional).toString());
 829
 830                 validator();
 831
 832                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 833                 if (fcbox)
 834                         cbi_validate_field(fcbox, optional, type);
 835         }
 836 }
 837
 838 function cbi_row_swap(elem, up, store)
 839 {
 840         var tr = elem.parentNode;
 841         while (tr && tr.nodeName.toLowerCase() != 'tr')
 842                 tr = tr.parentNode;
 843
 844         if (!tr)
 845                 return false;
 846
 847         var table = tr.parentNode;
 848         while (table && table.nodeName.toLowerCase() != 'table')
 849                 table = table.parentNode;
 850
 851         if (!table)
 852                 return false;
 853
 854         var s = up ? 3 : 2;
 855         var e = up ? table.rows.length : table.rows.length - 1;
 856
 857         for (var idx = s; idx < e; idx++)
 858         {
 859                 if (table.rows[idx] == tr)
 860                 {
 861                         if (up)
 862                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
 863                         else
 864                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
 865
 866                         break;
 867                 }
 868         }
 869
 870         var ids = [ ];
 871         for (idx = 2; idx < table.rows.length; idx++)
 872         {
 873                 table.rows[idx].className = table.rows[idx].className.replace(
 874                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
 875                 );
 876
 877                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
 878                         ids.push(RegExp.$1);
 879         }
 880
 881         var input = document.getElementById(store);
 882         if (input)
 883                 input.value = ids.join(' ');
 884
 885         return false;
 886 }
 887
 888 if( ! String.serialize )
 889         String.serialize = function(o)
 890         {
 891                 switch(typeof(o))
 892                 {
 893                         case 'object':
 894                                 // null
 895                                 if( o == null )
 896                                 {
 897                                         return 'null';
 898                                 }
 899
 900                                 // array
 901                                 else if( o.length )
 902                                 {
 903                                         var i, s = '';
 904
 905                                         for( var i = 0; i < o.length; i++ )
 906                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 907
 908                                         return '[ ' + s + ' ]';
 909                                 }
 910
 911                                 // object
 912                                 else
 913                                 {
 914                                         var k, s = '';
 915
 916                                         for( k in o )
 917                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 918
 919                                         return '{ ' + s + ' }';
 920                                 }
 921
 922                                 break;
 923
 924                         case 'string':
 925                                 // complex string
 926                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 927                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 928
 929                                 // simple string
 930                                 else
 931                                         return '"' + o + '"';
 932
 933                                 break;
 934
 935                         default:
 936                                 return o.toString();
 937                 }
 938         }
 939
 940
 941 if( ! String.format )
 942         String.format = function()
 943         {
 944                 if (!arguments || arguments.length < 1 || !RegExp)
 945                         return;
 946
 947                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 948                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 949
 950                 function esc(s, r) {
 951                         for( var i = 0; i < r.length; i += 2 )
 952                                 s = s.replace(r[i], r[i+1]);
 953                         return s;
 954                 }
 955
 956                 var str = arguments[0];
 957                 var out = '';
 958                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
 959                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 960
 961                 while( a = re.exec(str) )
 962                 {
 963                         var m = a[1];
 964                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 965                         var pPrecision = a[6], pType = a[7];
 966
 967                         numMatches++;
 968
 969                         if (pType == '%')
 970                         {
 971                                 subst = '%';
 972                         }
 973                         else
 974                         {
 975                                 if (numSubstitutions++ < arguments.length)
 976                                 {
 977                                         var param = arguments[numSubstitutions];
 978
 979                                         var pad = '';
 980                                         if (pPad && pPad.substr(0,1) == "'")
 981                                                 pad = leftpart.substr(1,1);
 982                                         else if (pPad)
 983                                                 pad = pPad;
 984
 985                                         var justifyRight = true;
 986                                         if (pJustify && pJustify === "-")
 987                                                 justifyRight = false;
 988
 989                                         var minLength = -1;
 990                                         if (pMinLength)
 991                                                 minLength = parseInt(pMinLength);
 992
 993                                         var precision = -1;
 994                                         if (pPrecision && pType == 'f')
 995                                                 precision = parseInt(pPrecision.substring(1));
 996
 997                                         var subst = param;
 998
 999                                         switch(pType)
1000                                         {
1001                                                 case 'b':
1002                                                         subst = (parseInt(param) || 0).toString(2);
1003                                                         break;
1004
1005                                                 case 'c':
1006                                                         subst = String.fromCharCode(parseInt(param) || 0);
1007                                                         break;
1008
1009                                                 case 'd':
1010                                                         subst = (parseInt(param) || 0);
1011                                                         break;
1012
1013                                                 case 'u':
1014                                                         subst = Math.abs(parseInt(param) || 0);
1015                                                         break;
1016
1017                                                 case 'f':
1018                                                         subst = (precision > -1)
1019                                                                 ? ((parseFloat(param) || 0.0)).toFixed(precision)
1020                                                                 : (parseFloat(param) || 0.0);
1021                                                         break;
1022
1023                                                 case 'o':
1024                                                         subst = (parseInt(param) || 0).toString(8);
1025                                                         break;
1026
1027                                                 case 's':
1028                                                         subst = param;
1029                                                         break;
1030
1031                                                 case 'x':
1032                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
1033                                                         break;
1034
1035                                                 case 'X':
1036                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
1037                                                         break;
1038
1039                                                 case 'h':
1040                                                         subst = esc(param, html_esc);
1041                                                         break;
1042
1043                                                 case 'q':
1044                                                         subst = esc(param, quot_esc);
1045                                                         break;
1046
1047                                                 case 'j':
1048                                                         subst = String.serialize(param);
1049                                                         break;
1050
1051                                                 case 't':
1052                                                         var td = 0;
1053                                                         var th = 0;
1054                                                         var tm = 0;
1055                                                         var ts = (param || 0);
1056
1057                                                         if (ts > 60) {
1058                                                                 tm = Math.floor(ts / 60);
1059                                                                 ts = (ts % 60);
1060                                                         }
1061
1062                                                         if (tm > 60) {
1063                                                                 th = Math.floor(tm / 60);
1064                                                                 tm = (tm % 60);
1065                                                         }
1066
1067                                                         if (th > 24) {
1068                                                                 td = Math.floor(th / 24);
1069                                                                 th = (th % 24);
1070                                                         }
1071
1072                                                         subst = (td > 0)
1073                                                                 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1074                                                                 : String.format('%dh %dm %ds', th, tm, ts);
1075
1076                                                         break;
1077
1078                                                 case 'm':
1079                                                         var mf = pMinLength ? parseInt(pMinLength) : 1000;
1080                                                         var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1081
1082                                                         var i = 0;
1083                                                         var val = parseFloat(param || 0);
1084                                                         var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1085
1086                                                         for (i = 0; (i < units.length) && (val > mf); i++)
1087                                                                 val /= mf;
1088
1089                                                         subst = val.toFixed(pr) + ' ' + units[i];
1090                                                         break;
1091                                         }
1092                                 }
1093                         }
1094
1095                         out += leftpart + subst;
1096                         str = str.substr(m.length);
1097                 }
1098
1099                 return out + str;
1100         }