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 2008-2010 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]+$/) != null);
  23         },
  24
  25         'uinteger': function(v)
  26         {
  27                 return (cbi_validators.integer(v) && (v >= 0));
  28         },
  29
  30         'float': function(v)
  31         {
  32                 return !isNaN(parseFloat(v));
  33         },
  34
  35         'ufloat': function(v)
  36         {
  37                 return (cbi_validators['float'](v) && (v >= 0));
  38         },
  39
  40         'ipaddr': function(v)
  41         {
  42                 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
  43         },
  44
  45         'ip4addr': function(v)
  46         {
  47                 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
  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.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
  54                         ;
  55                 }
  56
  57                 return false;
  58         },
  59
  60         'ip6addr': function(v)
  61         {
  62                 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  63                 {
  64                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  65                         {
  66                                 var addr = RegExp.$1;
  67
  68                                 if( addr == '::' )
  69                                 {
  70                                         return true;
  71                                 }
  72
  73                                 if( addr.indexOf('.') > 0 )
  74                                 {
  75                                         var off = addr.lastIndexOf(':');
  76
  77                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  78                                                 return false;
  79
  80                                         addr = addr.substr(0, off) + ':0:0';
  81                                 }
  82
  83                                 if( addr.indexOf('::') >= 0 )
  84                                 {
  85                                         var colons = 0;
  86                                         var fill = '0';
  87
  88                                         for( var i = 1; i < (addr.length-1); i++ )
  89                                                 if( addr.charAt(i) == ':' )
  90                                                         colons++;
  91
  92                                         if( colons > 7 )
  93                                                 return false;
  94
  95                                         for( var i = 0; i < (7 - colons); i++ )
  96                                                 fill += ':0';
  97
  98                                         if (addr.match(/^(.*?)::(.*?)$/))
  99                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 100                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 101                                 }
 102
 103                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 104                         }
 105                 }
 106
 107                 return false;
 108         },
 109
 110         'port': function(v)
 111         {
 112                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 113         },
 114
 115         'portrange': function(v)
 116         {
 117                 if( v.match(/^(\d+)-(\d+)$/) )
 118                 {
 119                         var p1 = RegExp.$1;
 120                         var p2 = RegExp.$2;
 121
 122                         return cbi_validators.port(p1) &&
 123                                cbi_validators.port(p2) &&
 124                                (parseInt(p1) <= parseInt(p2))
 125                         ;
 126                 }
 127                 else
 128                 {
 129                         return cbi_validators.port(v);
 130                 }
 131         },
 132
 133         'macaddr': function(v)
 134         {
 135                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 136         },
 137
 138         'host': function(v)
 139         {
 140                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 141         },
 142
 143         'hostname': function(v)
 144         {       if ( v.length <= 253 )
 145                         return (v.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) != null);
 146         },
 147
 148         'wpakey': function(v)
 149         {
 150                 if( v.length == 64 )
 151                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 152                 else
 153                         return (v.length >= 8) && (v.length <= 63);
 154         },
 155
 156         'wepkey': function(v)
 157         {
 158                 if( v.substr(0,2) == 's:' )
 159                         v = v.substr(2);
 160
 161                 if( (v.length == 10) || (v.length == 26) )
 162                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 163                 else
 164                         return (v.length == 5) || (v.length == 13);
 165         },
 166
 167         'uciname': function(v)
 168         {
 169                 return (v.match(/^[a-zA-Z0-9_]+$/) != null);
 170         },
 171
 172         'range': function(v, args)
 173         {
 174                 var min = parseInt(args[0]);
 175                 var max = parseInt(args[1]);
 176                 var val = parseInt(v);
 177
 178                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 179                         return ((val >= min) && (val <= max));
 180
 181                 return false;
 182         }
 183 };
 184
 185
 186 function cbi_d_add(field, dep, next) {
 187         var obj = document.getElementById(field);
 188         if (obj) {
 189                 var entry
 190                 for (var i=0; i<cbi_d.length; i++) {
 191                         if (cbi_d[i].id == field) {
 192                                 entry = cbi_d[i];
 193                                 break;
 194                         }
 195                 }
 196                 if (!entry) {
 197                         entry = {
 198                                 "node": obj,
 199                                 "id": field,
 200                                 "parent": obj.parentNode.id,
 201                                 "next": next,
 202                                 "deps": []
 203                         };
 204                         cbi_d.unshift(entry);
 205                 }
 206                 entry.deps.push(dep)
 207         }
 208 }
 209
 210 function cbi_d_checkvalue(target, ref) {
 211         var t = document.getElementById(target);
 212         var value;
 213
 214         if (!t) {
 215                 var tl = document.getElementsByName(target);
 216
 217                 if( tl.length > 0 && tl[0].type == 'radio' )
 218                         for( var i = 0; i < tl.length; i++ )
 219                                 if( tl[i].checked ) {
 220                                         value = tl[i].value;
 221                                         break;
 222                                 }
 223
 224                 value = value ? value : "";
 225         } else if (!t.value) {
 226                 value = "";
 227         } else {
 228                 value = t.value;
 229
 230                 if (t.type == "checkbox") {
 231                         value = t.checked ? value : "";
 232                 }
 233         }
 234
 235         return (value == ref)
 236 }
 237
 238 function cbi_d_check(deps) {
 239         var reverse;
 240         var def = false;
 241         for (var i=0; i<deps.length; i++) {
 242                 var istat = true;
 243                 reverse = false;
 244                 for (var j in deps[i]) {
 245                         if (j == "!reverse") {
 246                                 reverse = true;
 247                         } else if (j == "!default") {
 248                                 def = true;
 249                                 istat = false;
 250                         } else {
 251                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 252                         }
 253                 }
 254                 if (istat) {
 255                         return !reverse;
 256                 }
 257         }
 258         return def;
 259 }
 260
 261 function cbi_d_update() {
 262         var state = false;
 263         for (var i=0; i<cbi_d.length; i++) {
 264                 var entry = cbi_d[i];
 265                 var next  = document.getElementById(entry.next)
 266                 var node  = document.getElementById(entry.id)
 267                 var parent = document.getElementById(entry.parent)
 268
 269                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 270                         node.parentNode.removeChild(node);
 271                         state = true;
 272                         if( entry.parent )
 273                                 cbi_c[entry.parent]--;
 274                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 275                         if (!next) {
 276                                 parent.appendChild(entry.node);
 277                         } else {
 278                                 next.parentNode.insertBefore(entry.node, next);
 279                         }
 280                         state = true;
 281                         if( entry.parent )
 282                                 cbi_c[entry.parent]++;
 283                 }
 284         }
 285
 286         if (entry && entry.parent) {
 287                 cbi_t_update();
 288         }
 289
 290         if (state) {
 291                 cbi_d_update();
 292         }
 293 }
 294
 295 function cbi_bind(obj, type, callback, mode) {
 296         if (!obj.addEventListener) {
 297                 obj.attachEvent('on' + type,
 298                         function(){
 299                                 var e = window.event;
 300
 301                                 if (!e.target && e.srcElement)
 302                                         e.target = e.srcElement;
 303
 304                                 return !!callback(e);
 305                         }
 306                 );
 307         } else {
 308                 obj.addEventListener(type, callback, !!mode);
 309         }
 310         return obj;
 311 }
 312
 313 function cbi_combobox(id, values, def, man) {
 314         var selid = "cbi.combobox." + id;
 315         if (document.getElementById(selid)) {
 316                 return
 317         }
 318
 319         var obj = document.getElementById(id)
 320         var sel = document.createElement("select");
 321                 sel.id = selid;
 322                 sel.className = 'cbi-input-select';
 323
 324         if (obj.nextSibling) {
 325                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 326         } else {
 327                 obj.parentNode.appendChild(sel);
 328         }
 329
 330         var dt = obj.getAttribute('cbi_datatype');
 331         var op = obj.getAttribute('cbi_optional');
 332
 333         if (dt)
 334                 cbi_validate_field(sel, op == 'true', dt);
 335
 336         if (!values[obj.value]) {
 337                 if (obj.value == "") {
 338                         var optdef = document.createElement("option");
 339                         optdef.value = "";
 340                         optdef.appendChild(document.createTextNode(def));
 341                         sel.appendChild(optdef);
 342                 } else {
 343                         var opt = document.createElement("option");
 344                         opt.value = obj.value;
 345                         opt.selected = "selected";
 346                         opt.appendChild(document.createTextNode(obj.value));
 347                         sel.appendChild(opt);
 348                 }
 349         }
 350
 351         for (var i in values) {
 352                 var opt = document.createElement("option");
 353                 opt.value = i;
 354
 355                 if (obj.value == i) {
 356                         opt.selected = "selected";
 357                 }
 358
 359                 opt.appendChild(document.createTextNode(values[i]));
 360                 sel.appendChild(opt);
 361         }
 362
 363         var optman = document.createElement("option");
 364         optman.value = "";
 365         optman.appendChild(document.createTextNode(man));
 366         sel.appendChild(optman);
 367
 368         obj.style.display = "none";
 369
 370         cbi_bind(sel, "change", function() {
 371                 if (sel.selectedIndex == sel.options.length - 1) {
 372                         obj.style.display = "inline";
 373                         sel.parentNode.removeChild(sel);
 374                         obj.focus();
 375                 } else {
 376                         obj.value = sel.options[sel.selectedIndex].value;
 377                 }
 378
 379                 try {
 380                         cbi_d_update();
 381                 } catch (e) {
 382                         //Do nothing
 383                 }
 384         })
 385 }
 386
 387 function cbi_combobox_init(id, values, def, man) {
 388         var obj = document.getElementById(id);
 389         cbi_bind(obj, "blur", function() {
 390                 cbi_combobox(id, values, def, man)
 391         });
 392         cbi_combobox(id, values, def, man);
 393 }
 394
 395 function cbi_filebrowser(id, url, defpath) {
 396         var field   = document.getElementById(id);
 397         var browser = window.open(
 398                 url + ( field.value || defpath || '' ) + '?field=' + id,
 399                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 400         );
 401
 402         browser.focus();
 403 }
 404
 405 function cbi_browser_init(id, respath, url, defpath)
 406 {
 407         function cbi_browser_btnclick(e) {
 408                 cbi_filebrowser(id, url, defpath);
 409                 return false;
 410         }
 411
 412         var field = document.getElementById(id);
 413
 414         var btn = document.createElement('img');
 415         btn.className = 'cbi-image-button';
 416         btn.src = respath + '/cbi/folder.gif';
 417         field.parentNode.insertBefore(btn, field.nextSibling);
 418
 419         cbi_bind(btn, 'click', cbi_browser_btnclick);
 420 }
 421
 422 function cbi_dynlist_init(name, respath)
 423 {
 424         function cbi_dynlist_renumber(e)
 425         {
 426                 /* in a perfect world, we could just getElementsByName() - but not if
 427                  * MSIE is involved... */
 428                 var inputs = [ ]; // = document.getElementsByName(name);
 429                 for (var i = 0; i < e.parentNode.childNodes.length; i++)
 430                         if (e.parentNode.childNodes[i].name == name)
 431                                 inputs.push(e.parentNode.childNodes[i]);
 432
 433                 for (var i = 0; i < inputs.length; i++)
 434                 {
 435                         inputs[i].id = name + '.' + (i + 1);
 436                         inputs[i].nextSibling.src = respath + (
 437                                 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
 438                         );
 439                 }
 440
 441                 e.focus();
 442         }
 443
 444         function cbi_dynlist_keypress(ev)
 445         {
 446                 ev = ev ? ev : window.event;
 447
 448                 var se = ev.target ? ev.target : ev.srcElement;
 449
 450                 if (se.nodeType == 3)
 451                         se = se.parentNode;
 452
 453                 switch (ev.keyCode)
 454                 {
 455                         /* backspace, delete */
 456                         case 8:
 457                         case 46:
 458                                 if (se.value.length == 0)
 459                                 {
 460                                         if (ev.preventDefault)
 461                                                 ev.preventDefault();
 462
 463                                         return false;
 464                                 }
 465
 466                                 return true;
 467
 468                         /* enter, arrow up, arrow down */
 469                         case 13:
 470                         case 38:
 471                         case 40:
 472                                 if (ev.preventDefault)
 473                                         ev.preventDefault();
 474
 475                                 return false;
 476                 }
 477
 478                 return true;
 479         }
 480
 481         function cbi_dynlist_keydown(ev)
 482         {
 483                 ev = ev ? ev : window.event;
 484
 485                 var se = ev.target ? ev.target : ev.srcElement;
 486
 487                 if (se.nodeType == 3)
 488                         se = se.parentNode;
 489
 490                 var prev = se.previousSibling;
 491                 while (prev && prev.name != name)
 492                         prev = prev.previousSibling;
 493
 494                 var next = se.nextSibling;
 495                 while (next && next.name != name)
 496                         next = next.nextSibling;
 497
 498                 switch (ev.keyCode)
 499                 {
 500                         /* backspace, delete */
 501                         case 8:
 502                         case 46:
 503                                 var jump = (ev.keyCode == 8)
 504                                         ? (prev || next) : (next || prev);
 505
 506                                 if (se.value.length == 0 && jump)
 507                                 {
 508                                         se.parentNode.removeChild(se.nextSibling.nextSibling);
 509                                         se.parentNode.removeChild(se.nextSibling);
 510                                         se.parentNode.removeChild(se);
 511
 512                                         cbi_dynlist_renumber(jump);
 513
 514                                         if (ev.preventDefault)
 515                                                 ev.preventDefault();
 516
 517                                         /* IE Quirk, needs double focus somehow */
 518                                         jump.focus();
 519
 520                                         return false;
 521                                 }
 522
 523                                 break;
 524
 525                         /* enter */
 526                         case 13:
 527                                 var n = document.createElement('input');
 528                                         n.name       = se.name;
 529                                         n.type       = se.type;
 530
 531                                 var b = document.createElement('img');
 532
 533                                 cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
 534                                 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
 535                                 cbi_bind(b, 'click',    cbi_dynlist_btnclick);
 536
 537                                 if (next)
 538                                 {
 539                                         se.parentNode.insertBefore(n, next);
 540                                         se.parentNode.insertBefore(b, next);
 541                                         se.parentNode.insertBefore(document.createElement('br'), next);
 542                                 }
 543                                 else
 544                                 {
 545                                         se.parentNode.appendChild(n);
 546                                         se.parentNode.appendChild(b);
 547                                         se.parentNode.appendChild(document.createElement('br'));
 548                                 }
 549
 550                                 var dt = se.getAttribute('cbi_datatype');
 551                                 var op = se.getAttribute('cbi_optional') == 'true';
 552
 553                                 if (dt)
 554                                         cbi_validate_field(n, op, dt);
 555
 556                                 cbi_dynlist_renumber(n);
 557                                 break;
 558
 559                         /* arrow up */
 560                         case 38:
 561                                 if (prev)
 562                                         prev.focus();
 563
 564                                 break;
 565
 566                         /* arrow down */
 567                         case 40:
 568                                 if (next)
 569                                         next.focus();
 570
 571                                 break;
 572                 }
 573
 574                 return true;
 575         }
 576
 577         function cbi_dynlist_btnclick(ev)
 578         {
 579                 ev = ev ? ev : window.event;
 580
 581                 var se = ev.target ? ev.target : ev.srcElement;
 582
 583                 if (se.src.indexOf('remove') > -1)
 584                 {
 585                         se.previousSibling.value = '';
 586
 587                         cbi_dynlist_keydown({
 588                                 target:  se.previousSibling,
 589                                 keyCode: 8
 590                         });
 591                 }
 592                 else
 593                 {
 594                         cbi_dynlist_keydown({
 595                                 target:  se.previousSibling,
 596                                 keyCode: 13
 597                         });
 598                 }
 599
 600                 return false;
 601         }
 602
 603         var inputs = document.getElementsByName(name);
 604         for( var i = 0; i < inputs.length; i++ )
 605         {
 606                 var btn = document.createElement('img');
 607                         btn.className = 'cbi-image-button';
 608                         btn.src = respath + (
 609                                 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
 610                         );
 611
 612                 inputs[i].parentNode.insertBefore(btn, inputs[i].nextSibling);
 613
 614                 cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
 615                 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
 616                 cbi_bind(btn,       'click',    cbi_dynlist_btnclick);
 617         }
 618 }
 619
 620 //Hijacks the CBI form to send via XHR (requires Prototype)
 621 function cbi_hijack_forms(layer, win, fail, load) {
 622         var forms = layer.getElementsByTagName('form');
 623         for (var i=0; i<forms.length; i++) {
 624                 $(forms[i]).observe('submit', function(event) {
 625                         // Prevent the form from also submitting the regular way
 626                         event.stop();
 627
 628                         // Submit via XHR
 629                         event.element().request({
 630                                 onSuccess: win,
 631                                 onFailure: fail
 632                         });
 633
 634                         if (load) {
 635                                 load();
 636                         }
 637                 });
 638         }
 639 }
 640
 641
 642 function cbi_t_add(section, tab) {
 643         var t = document.getElementById('tab.' + section + '.' + tab);
 644         var c = document.getElementById('container.' + section + '.' + tab);
 645
 646         if( t && c ) {
 647                 cbi_t[section] = (cbi_t[section] || [ ]);
 648                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 649         }
 650 }
 651
 652 function cbi_t_switch(section, tab) {
 653         if( cbi_t[section] && cbi_t[section][tab] ) {
 654                 var o = cbi_t[section][tab];
 655                 var h = document.getElementById('tab.' + section);
 656                 for( var tid in cbi_t[section] ) {
 657                         var o2 = cbi_t[section][tid];
 658                         if( o.tab.id != o2.tab.id ) {
 659                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 660                                 o2.container.style.display = 'none';
 661                         }
 662                         else {
 663                                 if(h) h.value = tab;
 664                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 665                                 o2.container.style.display = 'block';
 666                         }
 667                 }
 668         }
 669         return false
 670 }
 671
 672 function cbi_t_update() {
 673         var hl_tabs = [ ];
 674
 675         for( var sid in cbi_t )
 676                 for( var tid in cbi_t[sid] )
 677                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 678                                 cbi_t[sid][tid].tab.style.display = 'none';
 679                         }
 680                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 681                                 cbi_t[sid][tid].tab.style.display = '';
 682
 683                                 var t = cbi_t[sid][tid].tab;
 684                                 t.className += ' cbi-tab-highlighted';
 685                                 hl_tabs.push(t);
 686                         }
 687
 688         if( hl_tabs.length > 0 )
 689                 window.setTimeout(function() {
 690                         for( var i = 0; i < hl_tabs.length; i++ )
 691                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 692                 }, 750);
 693 }
 694
 695
 696 function cbi_validate_form(form, errmsg)
 697 {
 698         /* if triggered by a section removal or addition, don't validate */
 699         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 700                 return true;
 701
 702         if( form.cbi_validators )
 703         {
 704                 for( var i = 0; i < form.cbi_validators.length; i++ )
 705                 {
 706                         var validator = form.cbi_validators[i];
 707                         if( !validator() && errmsg )
 708                         {
 709                                 alert(errmsg);
 710                                 return false;
 711                         }
 712                 }
 713         }
 714
 715         return true;
 716 }
 717
 718 function cbi_validate_reset(form)
 719 {
 720         window.setTimeout(
 721                 function() { cbi_validate_form(form, null) }, 100
 722         );
 723
 724         return true;
 725 }
 726
 727 function cbi_validate_field(cbid, optional, type)
 728 {
 729         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 730         var vargs;
 731
 732         if( type.match(/^(\w+)\(([^\(\)]+)\)/) )
 733         {
 734                 type  = RegExp.$1;
 735                 vargs = RegExp.$2.split(/\s*,\s*/);
 736         }
 737
 738         var vldcb = cbi_validators[type];
 739
 740         if( field && vldcb )
 741         {
 742                 var validator = function()
 743                 {
 744                         // is not detached
 745                         if( field.form )
 746                         {
 747                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 748
 749                                 // validate value
 750                                 var value = (field.options && field.options.selectedIndex > -1)
 751                                         ? field.options[field.options.selectedIndex].value : field.value;
 752
 753                                 if( !(((value.length == 0) && optional) || vldcb(value, vargs)) )
 754                                 {
 755                                         // invalid
 756                                         field.className += ' cbi-input-invalid';
 757                                         return false;
 758                                 }
 759                         }
 760
 761                         return true;
 762                 };
 763
 764                 if( ! field.form.cbi_validators )
 765                         field.form.cbi_validators = [ ];
 766
 767                 field.form.cbi_validators.push(validator);
 768
 769                 cbi_bind(field, "blur",  validator);
 770                 cbi_bind(field, "keyup", validator);
 771
 772                 if (field.nodeName == 'SELECT')
 773                 {
 774                         cbi_bind(field, "change", validator);
 775                         cbi_bind(field, "click",  validator);
 776                 }
 777
 778                 field.setAttribute("cbi_validate", validator);
 779                 field.setAttribute("cbi_datatype", type);
 780                 field.setAttribute("cbi_optional", (!!optional).toString());
 781
 782                 validator();
 783
 784                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 785                 if (fcbox)
 786                         cbi_validate_field(fcbox, optional, type);
 787         }
 788 }
 789
 790 function cbi_row_swap(elem, up, store)
 791 {
 792         var tr = elem.parentNode;
 793         while (tr && tr.nodeName.toLowerCase() != 'tr')
 794                 tr = tr.parentNode;
 795
 796         if (!tr)
 797                 return false;
 798
 799         var table = tr.parentNode;
 800         while (table && table.nodeName.toLowerCase() != 'table')
 801                 table = table.parentNode;
 802
 803         if (!table)
 804                 return false;
 805
 806         var s = up ? 3 : 2;
 807         var e = up ? table.rows.length : table.rows.length - 1;
 808
 809         for (var idx = s; idx < e; idx++)
 810         {
 811                 if (table.rows[idx] == tr)
 812                 {
 813                         if (up)
 814                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
 815                         else
 816                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
 817
 818                         break;
 819                 }
 820         }
 821
 822         var ids = [ ];
 823         for (idx = 2; idx < table.rows.length; idx++)
 824         {
 825                 table.rows[idx].className = table.rows[idx].className.replace(
 826                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
 827                 );
 828
 829                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
 830                         ids.push(RegExp.$1);
 831         }
 832
 833         var input = document.getElementById(store);
 834         if (input)
 835                 input.value = ids.join(' ');
 836
 837         return false;
 838 }
 839
 840 if( ! String.serialize )
 841         String.serialize = function(o)
 842         {
 843                 switch(typeof(o))
 844                 {
 845                         case 'object':
 846                                 // null
 847                                 if( o == null )
 848                                 {
 849                                         return 'null';
 850                                 }
 851
 852                                 // array
 853                                 else if( o.length )
 854                                 {
 855                                         var i, s = '';
 856
 857                                         for( var i = 0; i < o.length; i++ )
 858                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 859
 860                                         return '[ ' + s + ' ]';
 861                                 }
 862
 863                                 // object
 864                                 else
 865                                 {
 866                                         var k, s = '';
 867
 868                                         for( k in o )
 869                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 870
 871                                         return '{ ' + s + ' }';
 872                                 }
 873
 874                                 break;
 875
 876                         case 'string':
 877                                 // complex string
 878                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 879                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 880
 881                                 // simple string
 882                                 else
 883                                         return '"' + o + '"';
 884
 885                                 break;
 886
 887                         default:
 888                                 return o.toString();
 889                 }
 890         }
 891
 892
 893 if( ! String.format )
 894         String.format = function()
 895         {
 896                 if (!arguments || arguments.length < 1 || !RegExp)
 897                         return;
 898
 899                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 900                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 901
 902                 function esc(s, r) {
 903                         for( var i = 0; i < r.length; i += 2 )
 904                                 s = s.replace(r[i], r[i+1]);
 905                         return s;
 906                 }
 907
 908                 var str = arguments[0];
 909                 var out = '';
 910                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
 911                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 912
 913                 while( a = re.exec(str) )
 914                 {
 915                         var m = a[1];
 916                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 917                         var pPrecision = a[6], pType = a[7];
 918
 919                         numMatches++;
 920
 921                         if (pType == '%')
 922                         {
 923                                 subst = '%';
 924                         }
 925                         else
 926                         {
 927                                 if (numSubstitutions++ < arguments.length)
 928                                 {
 929                                         var param = arguments[numSubstitutions];
 930
 931                                         var pad = '';
 932                                         if (pPad && pPad.substr(0,1) == "'")
 933                                                 pad = leftpart.substr(1,1);
 934                                         else if (pPad)
 935                                                 pad = pPad;
 936
 937                                         var justifyRight = true;
 938                                         if (pJustify && pJustify === "-")
 939                                                 justifyRight = false;
 940
 941                                         var minLength = -1;
 942                                         if (pMinLength)
 943                                                 minLength = parseInt(pMinLength);
 944
 945                                         var precision = -1;
 946                                         if (pPrecision && pType == 'f')
 947                                                 precision = parseInt(pPrecision.substring(1));
 948
 949                                         var subst = param;
 950
 951                                         switch(pType)
 952                                         {
 953                                                 case 'b':
 954                                                         subst = (parseInt(param) || 0).toString(2);
 955                                                         break;
 956
 957                                                 case 'c':
 958                                                         subst = String.fromCharCode(parseInt(param) || 0);
 959                                                         break;
 960
 961                                                 case 'd':
 962                                                         subst = (parseInt(param) || 0);
 963                                                         break;
 964
 965                                                 case 'u':
 966                                                         subst = Math.abs(parseInt(param) || 0);
 967                                                         break;
 968
 969                                                 case 'f':
 970                                                         subst = (precision > -1)
 971                                                                 ? ((parseFloat(param) || 0.0)).toFixed(precision)
 972                                                                 : (parseFloat(param) || 0.0);
 973                                                         break;
 974
 975                                                 case 'o':
 976                                                         subst = (parseInt(param) || 0).toString(8);
 977                                                         break;
 978
 979                                                 case 's':
 980                                                         subst = param;
 981                                                         break;
 982
 983                                                 case 'x':
 984                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
 985                                                         break;
 986
 987                                                 case 'X':
 988                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
 989                                                         break;
 990
 991                                                 case 'h':
 992                                                         subst = esc(param, html_esc);
 993                                                         break;
 994
 995                                                 case 'q':
 996                                                         subst = esc(param, quot_esc);
 997                                                         break;
 998
 999                                                 case 'j':
1000                                                         subst = String.serialize(param);
1001                                                         break;
1002
1003                                                 case 't':
1004                                                         var td = 0;
1005                                                         var th = 0;
1006                                                         var tm = 0;
1007                                                         var ts = (param || 0);
1008
1009                                                         if (ts > 60) {
1010                                                                 tm = Math.floor(ts / 60);
1011                                                                 ts = (ts % 60);
1012                                                         }
1013
1014                                                         if (tm > 60) {
1015                                                                 th = Math.floor(tm / 60);
1016                                                                 tm = (tm % 60);
1017                                                         }
1018
1019                                                         if (th > 24) {
1020                                                                 td = Math.floor(th / 24);
1021                                                                 th = (th % 24);
1022                                                         }
1023
1024                                                         subst = (td > 0)
1025                                                                 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1026                                                                 : String.format('%dh %dm %ds', th, tm, ts);
1027
1028                                                         break;
1029
1030                                                 case 'm':
1031                                                         var mf = pMinLength ? parseInt(pMinLength) : 1000;
1032                                                         var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1033
1034                                                         var i = 0;
1035                                                         var val = (param || 0);
1036                                                         var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1037
1038                                                         for (i = 0; (i < units.length) && (val > mf); i++)
1039                                                                 val /= mf;
1040
1041                                                         subst = val.toFixed(pr) + ' ' + units[i];
1042                                                         break;
1043                                         }
1044                                 }
1045                         }
1046
1047                         out += leftpart + subst;
1048                         str = str.substr(m.length);
1049                 }
1050
1051                 return out + str;
1052         }