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