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 2008-2012 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()
  21         {
  22                 return (this.match(/^-?[0-9]+$/) != null);
  23         },
  24
  25         'uinteger': function()
  26         {
  27                 return (cbi_validators.integer.apply(this) && (this >= 0));
  28         },
  29
  30         'float': function()
  31         {
  32                 return !isNaN(parseFloat(this));
  33         },
  34
  35         'ufloat': function()
  36         {
  37                 return (cbi_validators['float'].apply(this) && (this >= 0));
  38         },
  39
  40         'ipaddr': function()
  41         {
  42                 return cbi_validators.ip4addr.apply(this) ||
  43                         cbi_validators.ip6addr.apply(this);
  44         },
  45
  46         'ip4addr': function()
  47         {
  48                 if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
  49                 {
  50                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  51                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  52                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  53                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  54                                ((RegExp.$6.indexOf('.') < 0)
  55                                   ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
  56                                   : (cbi_validators.ip4addr.apply(RegExp.$6)))
  57                         ;
  58                 }
  59
  60                 return false;
  61         },
  62
  63         'ip6addr': function()
  64         {
  65                 if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  66                 {
  67                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  68                         {
  69                                 var addr = RegExp.$1;
  70
  71                                 if( addr == '::' )
  72                                 {
  73                                         return true;
  74                                 }
  75
  76                                 if( addr.indexOf('.') > 0 )
  77                                 {
  78                                         var off = addr.lastIndexOf(':');
  79
  80                                         if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
  81                                                 return false;
  82
  83                                         addr = addr.substr(0, off) + ':0:0';
  84                                 }
  85
  86                                 if( addr.indexOf('::') >= 0 )
  87                                 {
  88                                         var colons = 0;
  89                                         var fill = '0';
  90
  91                                         for( var i = 1; i < (addr.length-1); i++ )
  92                                                 if( addr.charAt(i) == ':' )
  93                                                         colons++;
  94
  95                                         if( colons > 7 )
  96                                                 return false;
  97
  98                                         for( var i = 0; i < (7 - colons); i++ )
  99                                                 fill += ':0';
 100
 101                                         if (addr.match(/^(.*?)::(.*?)$/))
 102                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
 103                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
 104                                 }
 105
 106                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
 107                         }
 108                 }
 109
 110                 return false;
 111         },
 112
 113         'port': function()
 114         {
 115                 return cbi_validators.integer.apply(this) &&
 116                         (this >= 0) && (this <= 65535);
 117         },
 118
 119         'portrange': function()
 120         {
 121                 if (this.match(/^(\d+)-(\d+)$/))
 122                 {
 123                         var p1 = RegExp.$1;
 124                         var p2 = RegExp.$2;
 125
 126                         return cbi_validators.port.apply(p1) &&
 127                                cbi_validators.port.apply(p2) &&
 128                                (parseInt(p1) <= parseInt(p2))
 129                         ;
 130                 }
 131                 else
 132                 {
 133                         return cbi_validators.port.apply(this);
 134                 }
 135         },
 136
 137         'macaddr': function()
 138         {
 139                 return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 140         },
 141
 142         'host': function()
 143         {
 144                 return cbi_validators.hostname.apply(this) ||
 145                         cbi_validators.ipaddr.apply(this);
 146         },
 147
 148         'hostname': function()
 149         {
 150                 if (this.length <= 253)
 151                         return (this.match(/^[a-zA-Z]+$/) != null ||
 152                                 (this.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) &&
 153                                  this.match(/[^0-9.]/)));
 154
 155                 return false;
 156         },
 157
 158         'network': function()
 159         {
 160                 return cbi_validators.uciname.apply(this) ||
 161                         cbi_validators.host.apply(this);
 162         },
 163
 164         'wpakey': function()
 165         {
 166                 var v = this;
 167
 168                 if( v.length == 64 )
 169                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 170                 else
 171                         return (v.length >= 8) && (v.length <= 63);
 172         },
 173
 174         'wepkey': function()
 175         {
 176                 var v = this;
 177
 178                 if ( v.substr(0,2) == 's:' )
 179                         v = v.substr(2);
 180
 181                 if( (v.length == 10) || (v.length == 26) )
 182                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 183                 else
 184                         return (v.length == 5) || (v.length == 13);
 185         },
 186
 187         'uciname': function()
 188         {
 189                 return (this.match(/^[a-zA-Z0-9_]+$/) != null);
 190         },
 191
 192         'range': function(min, max)
 193         {
 194                 var val = parseFloat(this);
 195                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 196                         return ((val >= min) && (val <= max));
 197
 198                 return false;
 199         },
 200
 201         'min': function(min)
 202         {
 203                 var val = parseFloat(this);
 204                 if (!isNaN(min) && !isNaN(val))
 205                         return (val >= min);
 206
 207                 return false;
 208         },
 209
 210         'max': function(max)
 211         {
 212                 var val = parseFloat(this);
 213                 if (!isNaN(max) && !isNaN(val))
 214                         return (val <= max);
 215
 216                 return false;
 217         },
 218
 219         'or': function()
 220         {
 221                 for (var i = 0; i < arguments.length; i += 2)
 222                 {
 223                         if (typeof arguments[i] != 'function')
 224                         {
 225                                 if (arguments[i] == this)
 226                                         return true;
 227                                 i--;
 228                         }
 229                         else if (arguments[i].apply(this, arguments[i+1]))
 230                         {
 231                                 return true;
 232                         }
 233                 }
 234                 return false;
 235         },
 236
 237         'and': function()
 238         {
 239                 for (var i = 0; i < arguments.length; i += 2)
 240                 {
 241                         if (typeof arguments[i] != 'function')
 242                         {
 243                                 if (arguments[i] != this)
 244                                         return false;
 245                                 i--;
 246                         }
 247                         else if (!arguments[i].apply(this, arguments[i+1]))
 248                         {
 249                                 return false;
 250                         }
 251                 }
 252                 return true;
 253         },
 254
 255         'neg': function()
 256         {
 257                 return cbi_validators.or.apply(
 258                         this.replace(/^[ \t]*![ \t]*/, ''), arguments);
 259         },
 260
 261         'list': function(subvalidator, subargs)
 262         {
 263                 if (typeof subvalidator != 'function')
 264                         return false;
 265
 266                 var tokens = this.match(/[^ \t]+/g);
 267                 for (var i = 0; i < tokens.length; i++)
 268                         if (!subvalidator.apply(tokens[i], subargs))
 269                                 return false;
 270
 271                 return true;
 272         }
 273 };
 274
 275
 276 function cbi_d_add(field, dep, next) {
 277         var obj = document.getElementById(field);
 278         if (obj) {
 279                 var entry
 280                 for (var i=0; i<cbi_d.length; i++) {
 281                         if (cbi_d[i].id == field) {
 282                                 entry = cbi_d[i];
 283                                 break;
 284                         }
 285                 }
 286                 if (!entry) {
 287                         entry = {
 288                                 "node": obj,
 289                                 "id": field,
 290                                 "parent": obj.parentNode.id,
 291                                 "next": next,
 292                                 "deps": []
 293                         };
 294                         cbi_d.unshift(entry);
 295                 }
 296                 entry.deps.push(dep)
 297         }
 298 }
 299
 300 function cbi_d_checkvalue(target, ref) {
 301         var t = document.getElementById(target);
 302         var value;
 303
 304         if (!t) {
 305                 var tl = document.getElementsByName(target);
 306
 307                 if( tl.length > 0 && tl[0].type == 'radio' )
 308                         for( var i = 0; i < tl.length; i++ )
 309                                 if( tl[i].checked ) {
 310                                         value = tl[i].value;
 311                                         break;
 312                                 }
 313
 314                 value = value ? value : "";
 315         } else if (!t.value) {
 316                 value = "";
 317         } else {
 318                 value = t.value;
 319
 320                 if (t.type == "checkbox") {
 321                         value = t.checked ? value : "";
 322                 }
 323         }
 324
 325         return (value == ref)
 326 }
 327
 328 function cbi_d_check(deps) {
 329         var reverse;
 330         var def = false;
 331         for (var i=0; i<deps.length; i++) {
 332                 var istat = true;
 333                 reverse = false;
 334                 for (var j in deps[i]) {
 335                         if (j == "!reverse") {
 336                                 reverse = true;
 337                         } else if (j == "!default") {
 338                                 def = true;
 339                                 istat = false;
 340                         } else {
 341                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 342                         }
 343                 }
 344                 if (istat) {
 345                         return !reverse;
 346                 }
 347         }
 348         return def;
 349 }
 350
 351 function cbi_d_update() {
 352         var state = false;
 353         for (var i=0; i<cbi_d.length; i++) {
 354                 var entry = cbi_d[i];
 355                 var next  = document.getElementById(entry.next)
 356                 var node  = document.getElementById(entry.id)
 357                 var parent = document.getElementById(entry.parent)
 358
 359                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 360                         node.parentNode.removeChild(node);
 361                         state = true;
 362                         if( entry.parent )
 363                                 cbi_c[entry.parent]--;
 364                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 365                         if (!next) {
 366                                 parent.appendChild(entry.node);
 367                         } else {
 368                                 next.parentNode.insertBefore(entry.node, next);
 369                         }
 370                         state = true;
 371                         if( entry.parent )
 372                                 cbi_c[entry.parent]++;
 373                 }
 374         }
 375
 376         if (entry && entry.parent) {
 377                 if (!cbi_t_update())
 378                         cbi_tag_last(parent);
 379         }
 380
 381         if (state) {
 382                 cbi_d_update();
 383         }
 384 }
 385
 386 function cbi_bind(obj, type, callback, mode) {
 387         if (!obj.addEventListener) {
 388                 obj.attachEvent('on' + type,
 389                         function(){
 390                                 var e = window.event;
 391
 392                                 if (!e.target && e.srcElement)
 393                                         e.target = e.srcElement;
 394
 395                                 return !!callback(e);
 396                         }
 397                 );
 398         } else {
 399                 obj.addEventListener(type, callback, !!mode);
 400         }
 401         return obj;
 402 }
 403
 404 function cbi_combobox(id, values, def, man) {
 405         var selid = "cbi.combobox." + id;
 406         if (document.getElementById(selid)) {
 407                 return
 408         }
 409
 410         var obj = document.getElementById(id)
 411         var sel = document.createElement("select");
 412                 sel.id = selid;
 413                 sel.className = 'cbi-input-select';
 414
 415         if (obj.nextSibling) {
 416                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 417         } else {
 418                 obj.parentNode.appendChild(sel);
 419         }
 420
 421         var dt = obj.getAttribute('cbi_datatype');
 422         var op = obj.getAttribute('cbi_optional');
 423
 424         if (dt)
 425                 cbi_validate_field(sel, op == 'true', dt);
 426
 427         if (!values[obj.value]) {
 428                 if (obj.value == "") {
 429                         var optdef = document.createElement("option");
 430                         optdef.value = "";
 431                         optdef.appendChild(document.createTextNode(def));
 432                         sel.appendChild(optdef);
 433                 } else {
 434                         var opt = document.createElement("option");
 435                         opt.value = obj.value;
 436                         opt.selected = "selected";
 437                         opt.appendChild(document.createTextNode(obj.value));
 438                         sel.appendChild(opt);
 439                 }
 440         }
 441
 442         for (var i in values) {
 443                 var opt = document.createElement("option");
 444                 opt.value = i;
 445
 446                 if (obj.value == i) {
 447                         opt.selected = "selected";
 448                 }
 449
 450                 opt.appendChild(document.createTextNode(values[i]));
 451                 sel.appendChild(opt);
 452         }
 453
 454         var optman = document.createElement("option");
 455         optman.value = "";
 456         optman.appendChild(document.createTextNode(man));
 457         sel.appendChild(optman);
 458
 459         obj.style.display = "none";
 460
 461         cbi_bind(sel, "change", function() {
 462                 if (sel.selectedIndex == sel.options.length - 1) {
 463                         obj.style.display = "inline";
 464                         sel.parentNode.removeChild(sel);
 465                         obj.focus();
 466                 } else {
 467                         obj.value = sel.options[sel.selectedIndex].value;
 468                 }
 469
 470                 try {
 471                         cbi_d_update();
 472                 } catch (e) {
 473                         //Do nothing
 474                 }
 475         })
 476 }
 477
 478 function cbi_combobox_init(id, values, def, man) {
 479         var obj = document.getElementById(id);
 480         cbi_bind(obj, "blur", function() {
 481                 cbi_combobox(id, values, def, man)
 482         });
 483         cbi_combobox(id, values, def, man);
 484 }
 485
 486 function cbi_filebrowser(id, url, defpath) {
 487         var field   = document.getElementById(id);
 488         var browser = window.open(
 489                 url + ( field.value || defpath || '' ) + '?field=' + id,
 490                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 491         );
 492
 493         browser.focus();
 494 }
 495
 496 function cbi_browser_init(id, respath, url, defpath)
 497 {
 498         function cbi_browser_btnclick(e) {
 499                 cbi_filebrowser(id, url, defpath);
 500                 return false;
 501         }
 502
 503         var field = document.getElementById(id);
 504
 505         var btn = document.createElement('img');
 506         btn.className = 'cbi-image-button';
 507         btn.src = respath + '/cbi/folder.gif';
 508         field.parentNode.insertBefore(btn, field.nextSibling);
 509
 510         cbi_bind(btn, 'click', cbi_browser_btnclick);
 511 }
 512
 513 function cbi_dynlist_init(name, respath, datatype, optional, choices)
 514 {
 515         var input0 = document.getElementsByName(name)[0];
 516         var prefix = input0.name;
 517         var parent = input0.parentNode;
 518         var holder = input0.placeholder;
 519
 520         var values;
 521
 522         function cbi_dynlist_redraw(focus, add, del)
 523         {
 524                 values = [ ];
 525
 526                 while (parent.firstChild)
 527                 {
 528                         var n = parent.firstChild;
 529                         var i = parseInt(n.index);
 530
 531                         if (i != del)
 532                         {
 533                                 if (n.nodeName.toLowerCase() == 'input')
 534                                         values.push(n.value || '');
 535                                 else if (n.nodeName.toLowerCase() == 'select')
 536                                         values[values.length-1] = n.options[n.selectedIndex].value;
 537                         }
 538
 539                         parent.removeChild(n);
 540                 }
 541
 542                 if (add >= 0)
 543                 {
 544                         focus = add+1;
 545                         values.splice(focus, 0, '');
 546                 }
 547                 else if (values.length == 0)
 548                 {
 549                         focus = 0;
 550                         values.push('');
 551                 }
 552
 553                 for (var i = 0; i < values.length; i++)
 554                 {
 555                         var t = document.createElement('input');
 556                                 t.id = prefix + '.' + (i+1);
 557                                 t.name = prefix;
 558                                 t.value = values[i];
 559                                 t.type = 'text';
 560                                 t.index = i;
 561                                 t.className = 'cbi-input-text';
 562
 563                         if (i == 0 && holder)
 564                         {
 565                                 t.placeholder = holder;
 566                         }
 567
 568                         var b = document.createElement('img');
 569                                 b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
 570                                 b.className = 'cbi-image-button';
 571
 572                         parent.appendChild(t);
 573                         parent.appendChild(b);
 574                         parent.appendChild(document.createElement('br'));
 575
 576                         if (datatype)
 577                         {
 578                                 cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
 579                         }
 580
 581                         if (choices)
 582                         {
 583                                 cbi_combobox_init(t.id, choices[0], '', choices[1]);
 584                                 t.nextSibling.index = i;
 585
 586                                 cbi_bind(t.nextSibling, 'keydown',  cbi_dynlist_keydown);
 587                                 cbi_bind(t.nextSibling, 'keypress', cbi_dynlist_keypress);
 588
 589                                 if (i == focus || -i == focus)
 590                                         t.nextSibling.focus();
 591                         }
 592                         else
 593                         {
 594                                 cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
 595                                 cbi_bind(t, 'keypress', cbi_dynlist_keypress);
 596
 597                                 if (i == focus)
 598                                 {
 599                                         t.focus();
 600                                 }
 601                                 else if (-i == focus)
 602                                 {
 603                                         t.focus();
 604
 605                                         /* force cursor to end */
 606                                         var v = t.value;
 607                                         t.value = ' '
 608                                         t.value = v;
 609                                 }
 610                         }
 611
 612                         cbi_bind(b, 'click', cbi_dynlist_btnclick);
 613                 }
 614         }
 615
 616         function cbi_dynlist_keypress(ev)
 617         {
 618                 ev = ev ? ev : window.event;
 619
 620                 var se = ev.target ? ev.target : ev.srcElement;
 621
 622                 if (se.nodeType == 3)
 623                         se = se.parentNode;
 624
 625                 switch (ev.keyCode)
 626                 {
 627                         /* backspace, delete */
 628                         case 8:
 629                         case 46:
 630                                 if (se.value.length == 0)
 631                                 {
 632                                         if (ev.preventDefault)
 633                                                 ev.preventDefault();
 634
 635                                         return false;
 636                                 }
 637
 638                                 return true;
 639
 640                         /* enter, arrow up, arrow down */
 641                         case 13:
 642                         case 38:
 643                         case 40:
 644                                 if (ev.preventDefault)
 645                                         ev.preventDefault();
 646
 647                                 return false;
 648                 }
 649
 650                 return true;
 651         }
 652
 653         function cbi_dynlist_keydown(ev)
 654         {
 655                 ev = ev ? ev : window.event;
 656
 657                 var se = ev.target ? ev.target : ev.srcElement;
 658
 659                 if (se.nodeType == 3)
 660                         se = se.parentNode;
 661
 662                 var prev = se.previousSibling;
 663                 while (prev && prev.name != name)
 664                         prev = prev.previousSibling;
 665
 666                 var next = se.nextSibling;
 667                 while (next && next.name != name)
 668                         next = next.nextSibling;
 669
 670                 /* advance one further in combobox case */
 671                 if (next && next.nextSibling.name == name)
 672                         next = next.nextSibling;
 673
 674                 switch (ev.keyCode)
 675                 {
 676                         /* backspace, delete */
 677                         case 8:
 678                         case 46:
 679                                 var del = (se.nodeName.toLowerCase() == 'select')
 680                                         ? true : (se.value.length == 0);
 681
 682                                 if (del)
 683                                 {
 684                                         if (ev.preventDefault)
 685                                                 ev.preventDefault();
 686
 687                                         var focus = se.index;
 688                                         if (ev.keyCode == 8)
 689                                                 focus = -focus+1;
 690
 691                                         cbi_dynlist_redraw(focus, -1, se.index);
 692
 693                                         return false;
 694                                 }
 695
 696                                 break;
 697
 698                         /* enter */
 699                         case 13:
 700                                 cbi_dynlist_redraw(-1, se.index, -1);
 701                                 break;
 702
 703                         /* arrow up */
 704                         case 38:
 705                                 if (prev)
 706                                         prev.focus();
 707
 708                                 break;
 709
 710                         /* arrow down */
 711                         case 40:
 712                                 if (next)
 713                                         next.focus();
 714
 715                                 break;
 716                 }
 717
 718                 return true;
 719         }
 720
 721         function cbi_dynlist_btnclick(ev)
 722         {
 723                 ev = ev ? ev : window.event;
 724
 725                 var se = ev.target ? ev.target : ev.srcElement;
 726
 727                 if (se.src.indexOf('remove') > -1)
 728                 {
 729                         se.previousSibling.value = '';
 730
 731                         cbi_dynlist_keydown({
 732                                 target:  se.previousSibling,
 733                                 keyCode: 8
 734                         });
 735                 }
 736                 else
 737                 {
 738                         cbi_dynlist_keydown({
 739                                 target:  se.previousSibling,
 740                                 keyCode: 13
 741                         });
 742                 }
 743
 744                 return false;
 745         }
 746
 747         cbi_dynlist_redraw(-1, -1, -1);
 748 }
 749
 750 //Hijacks the CBI form to send via XHR (requires Prototype)
 751 function cbi_hijack_forms(layer, win, fail, load) {
 752         var forms = layer.getElementsByTagName('form');
 753         for (var i=0; i<forms.length; i++) {
 754                 $(forms[i]).observe('submit', function(event) {
 755                         // Prevent the form from also submitting the regular way
 756                         event.stop();
 757
 758                         // Submit via XHR
 759                         event.element().request({
 760                                 onSuccess: win,
 761                                 onFailure: fail
 762                         });
 763
 764                         if (load) {
 765                                 load();
 766                         }
 767                 });
 768         }
 769 }
 770
 771
 772 function cbi_t_add(section, tab) {
 773         var t = document.getElementById('tab.' + section + '.' + tab);
 774         var c = document.getElementById('container.' + section + '.' + tab);
 775
 776         if( t && c ) {
 777                 cbi_t[section] = (cbi_t[section] || [ ]);
 778                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 779         }
 780 }
 781
 782 function cbi_t_switch(section, tab) {
 783         if( cbi_t[section] && cbi_t[section][tab] ) {
 784                 var o = cbi_t[section][tab];
 785                 var h = document.getElementById('tab.' + section);
 786                 for( var tid in cbi_t[section] ) {
 787                         var o2 = cbi_t[section][tid];
 788                         if( o.tab.id != o2.tab.id ) {
 789                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 790                                 o2.container.style.display = 'none';
 791                         }
 792                         else {
 793                                 if(h) h.value = tab;
 794                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 795                                 o2.container.style.display = 'block';
 796                         }
 797                 }
 798         }
 799         return false
 800 }
 801
 802 function cbi_t_update() {
 803         var hl_tabs = [ ];
 804         var updated = false;
 805
 806         for( var sid in cbi_t )
 807                 for( var tid in cbi_t[sid] )
 808                 {
 809                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 810                                 cbi_t[sid][tid].tab.style.display = 'none';
 811                         }
 812                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 813                                 cbi_t[sid][tid].tab.style.display = '';
 814
 815                                 var t = cbi_t[sid][tid].tab;
 816                                 t.className += ' cbi-tab-highlighted';
 817                                 hl_tabs.push(t);
 818                         }
 819
 820                         cbi_tag_last(cbi_t[sid][tid].container);
 821                         updated = true;
 822                 }
 823
 824         if( hl_tabs.length > 0 )
 825                 window.setTimeout(function() {
 826                         for( var i = 0; i < hl_tabs.length; i++ )
 827                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 828                 }, 750);
 829
 830         return updated;
 831 }
 832
 833
 834 function cbi_validate_form(form, errmsg)
 835 {
 836         /* if triggered by a section removal or addition, don't validate */
 837         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 838                 return true;
 839
 840         if( form.cbi_validators )
 841         {
 842                 for( var i = 0; i < form.cbi_validators.length; i++ )
 843                 {
 844                         var validator = form.cbi_validators[i];
 845                         if( !validator() && errmsg )
 846                         {
 847                                 alert(errmsg);
 848                                 return false;
 849                         }
 850                 }
 851         }
 852
 853         return true;
 854 }
 855
 856 function cbi_validate_reset(form)
 857 {
 858         window.setTimeout(
 859                 function() { cbi_validate_form(form, null) }, 100
 860         );
 861
 862         return true;
 863 }
 864
 865 function cbi_validate_compile(code)
 866 {
 867         var pos = 0;
 868         var esc = false;
 869         var depth = 0;
 870         var stack = [ ];
 871
 872         code += ',';
 873
 874         for (var i = 0; i < code.length; i++)
 875         {
 876                 if (esc)
 877                 {
 878                         esc = false;
 879                         continue;
 880                 }
 881
 882                 switch (code.charCodeAt(i))
 883                 {
 884                 case 92:
 885                         esc = true;
 886                         break;
 887
 888                 case 40:
 889                 case 44:
 890                         if (depth <= 0)
 891                         {
 892                                 if (pos < i)
 893                                 {
 894                                         var label = code.substring(pos, i);
 895                                                 label = label.replace(/\\(.)/g, '$1');
 896                                                 label = label.replace(/^[ \t]+/g, '');
 897                                                 label = label.replace(/[ \t]+$/g, '');
 898
 899                                         if (label && !isNaN(label))
 900                                         {
 901                                                 stack.push(parseFloat(label));
 902                                         }
 903                                         else if (label.match(/^(['"]).*\1$/))
 904                                         {
 905                                                 stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
 906                                         }
 907                                         else if (typeof cbi_validators[label] == 'function')
 908                                         {
 909                                                 stack.push(cbi_validators[label]);
 910                                                 stack.push(null);
 911                                         }
 912                                         else
 913                                         {
 914                                                 throw "Syntax error, unhandled token '"+label+"'";
 915                                         }
 916                                 }
 917                                 pos = i+1;
 918                         }
 919                         depth += (code.charCodeAt(i) == 40);
 920                         break;
 921
 922                 case 41:
 923                         if (--depth <= 0)
 924                         {
 925                                 if (typeof stack[stack.length-2] != 'function')
 926                                         throw "Syntax error, argument list follows non-function";
 927
 928                                 stack[stack.length-1] =
 929                                         arguments.callee(code.substring(pos, i));
 930
 931                                 pos = i+1;
 932                         }
 933                         break;
 934                 }
 935         }
 936
 937         return stack;
 938 }
 939
 940 function cbi_validate_field(cbid, optional, type)
 941 {
 942         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 943         var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
 944
 945         if (field && vstack && typeof vstack[0] == "function")
 946         {
 947                 var validator = function()
 948                 {
 949                         // is not detached
 950                         if( field.form )
 951                         {
 952                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 953
 954                                 // validate value
 955                                 var value = (field.options && field.options.selectedIndex > -1)
 956                                         ? field.options[field.options.selectedIndex].value : field.value;
 957
 958                                 if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
 959                                 {
 960                                         // invalid
 961                                         field.className += ' cbi-input-invalid';
 962                                         return false;
 963                                 }
 964                         }
 965
 966                         return true;
 967                 };
 968
 969                 if( ! field.form.cbi_validators )
 970                         field.form.cbi_validators = [ ];
 971
 972                 field.form.cbi_validators.push(validator);
 973
 974                 cbi_bind(field, "blur",  validator);
 975                 cbi_bind(field, "keyup", validator);
 976
 977                 if (field.nodeName == 'SELECT')
 978                 {
 979                         cbi_bind(field, "change", validator);
 980                         cbi_bind(field, "click",  validator);
 981                 }
 982
 983                 field.setAttribute("cbi_validate", validator);
 984                 field.setAttribute("cbi_datatype", type);
 985                 field.setAttribute("cbi_optional", (!!optional).toString());
 986
 987                 validator();
 988
 989                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 990                 if (fcbox)
 991                         cbi_validate_field(fcbox, optional, type);
 992         }
 993 }
 994
 995 function cbi_row_swap(elem, up, store)
 996 {
 997         var tr = elem.parentNode;
 998         while (tr && tr.nodeName.toLowerCase() != 'tr')
 999                 tr = tr.parentNode;
1000
1001         if (!tr)
1002                 return false;
1003
1004         var table = tr.parentNode;
1005         while (table && table.nodeName.toLowerCase() != 'table')
1006                 table = table.parentNode;
1007
1008         if (!table)
1009                 return false;
1010
1011         var s = up ? 3 : 2;
1012         var e = up ? table.rows.length : table.rows.length - 1;
1013
1014         for (var idx = s; idx < e; idx++)
1015         {
1016                 if (table.rows[idx] == tr)
1017                 {
1018                         if (up)
1019                                 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
1020                         else
1021                                 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
1022
1023                         break;
1024                 }
1025         }
1026
1027         var ids = [ ];
1028         for (idx = 2; idx < table.rows.length; idx++)
1029         {
1030                 table.rows[idx].className = table.rows[idx].className.replace(
1031                         /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
1032                 );
1033
1034                 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
1035                         ids.push(RegExp.$1);
1036         }
1037
1038         var input = document.getElementById(store);
1039         if (input)
1040                 input.value = ids.join(' ');
1041
1042         return false;
1043 }
1044
1045 function cbi_tag_last(container)
1046 {
1047         var last;
1048
1049         for (var i = 0; i < container.childNodes.length; i++)
1050         {
1051                 var c = container.childNodes[i];
1052                 if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
1053                 {
1054                         c.className = c.className.replace(/ cbi-value-last$/, '');
1055                         last = c;
1056                 }
1057         }
1058
1059         if (last)
1060         {
1061                 last.className += ' cbi-value-last';
1062         }
1063 }
1064
1065 if( ! String.serialize )
1066         String.serialize = function(o)
1067         {
1068                 switch(typeof(o))
1069                 {
1070                         case 'object':
1071                                 // null
1072                                 if( o == null )
1073                                 {
1074                                         return 'null';
1075                                 }
1076
1077                                 // array
1078                                 else if( o.length )
1079                                 {
1080                                         var i, s = '';
1081
1082                                         for( var i = 0; i < o.length; i++ )
1083                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
1084
1085                                         return '[ ' + s + ' ]';
1086                                 }
1087
1088                                 // object
1089                                 else
1090                                 {
1091                                         var k, s = '';
1092
1093                                         for( k in o )
1094                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
1095
1096                                         return '{ ' + s + ' }';
1097                                 }
1098
1099                                 break;
1100
1101                         case 'string':
1102                                 // complex string
1103                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
1104                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
1105
1106                                 // simple string
1107                                 else
1108                                         return '"' + o + '"';
1109
1110                                 break;
1111
1112                         default:
1113                                 return o.toString();
1114                 }
1115         }
1116
1117
1118 if( ! String.format )
1119         String.format = function()
1120         {
1121                 if (!arguments || arguments.length < 1 || !RegExp)
1122                         return;
1123
1124                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
1125                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
1126
1127                 function esc(s, r) {
1128                         for( var i = 0; i < r.length; i += 2 )
1129                                 s = s.replace(r[i], r[i+1]);
1130                         return s;
1131                 }
1132
1133                 var str = arguments[0];
1134                 var out = '';
1135                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
1136                 var a = b = [], numSubstitutions = 0, numMatches = 0;
1137
1138                 while( a = re.exec(str) )
1139                 {
1140                         var m = a[1];
1141                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
1142                         var pPrecision = a[6], pType = a[7];
1143
1144                         numMatches++;
1145
1146                         if (pType == '%')
1147                         {
1148                                 subst = '%';
1149                         }
1150                         else
1151                         {
1152                                 if (numSubstitutions++ < arguments.length)
1153                                 {
1154                                         var param = arguments[numSubstitutions];
1155
1156                                         var pad = '';
1157                                         if (pPad && pPad.substr(0,1) == "'")
1158                                                 pad = leftpart.substr(1,1);
1159                                         else if (pPad)
1160                                                 pad = pPad;
1161
1162                                         var justifyRight = true;
1163                                         if (pJustify && pJustify === "-")
1164                                                 justifyRight = false;
1165
1166                                         var minLength = -1;
1167                                         if (pMinLength)
1168                                                 minLength = parseInt(pMinLength);
1169
1170                                         var precision = -1;
1171                                         if (pPrecision && pType == 'f')
1172                                                 precision = parseInt(pPrecision.substring(1));
1173
1174                                         var subst = param;
1175
1176                                         switch(pType)
1177                                         {
1178                                                 case 'b':
1179                                                         subst = (parseInt(param) || 0).toString(2);
1180                                                         break;
1181
1182                                                 case 'c':
1183                                                         subst = String.fromCharCode(parseInt(param) || 0);
1184                                                         break;
1185
1186                                                 case 'd':
1187                                                         subst = (parseInt(param) || 0);
1188                                                         break;
1189
1190                                                 case 'u':
1191                                                         subst = Math.abs(parseInt(param) || 0);
1192                                                         break;
1193
1194                                                 case 'f':
1195                                                         subst = (precision > -1)
1196                                                                 ? ((parseFloat(param) || 0.0)).toFixed(precision)
1197                                                                 : (parseFloat(param) || 0.0);
1198                                                         break;
1199
1200                                                 case 'o':
1201                                                         subst = (parseInt(param) || 0).toString(8);
1202                                                         break;
1203
1204                                                 case 's':
1205                                                         subst = param;
1206                                                         break;
1207
1208                                                 case 'x':
1209                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
1210                                                         break;
1211
1212                                                 case 'X':
1213                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
1214                                                         break;
1215
1216                                                 case 'h':
1217                                                         subst = esc(param, html_esc);
1218                                                         break;
1219
1220                                                 case 'q':
1221                                                         subst = esc(param, quot_esc);
1222                                                         break;
1223
1224                                                 case 'j':
1225                                                         subst = String.serialize(param);
1226                                                         break;
1227
1228                                                 case 't':
1229                                                         var td = 0;
1230                                                         var th = 0;
1231                                                         var tm = 0;
1232                                                         var ts = (param || 0);
1233
1234                                                         if (ts > 60) {
1235                                                                 tm = Math.floor(ts / 60);
1236                                                                 ts = (ts % 60);
1237                                                         }
1238
1239                                                         if (tm > 60) {
1240                                                                 th = Math.floor(tm / 60);
1241                                                                 tm = (tm % 60);
1242                                                         }
1243
1244                                                         if (th > 24) {
1245                                                                 td = Math.floor(th / 24);
1246                                                                 th = (th % 24);
1247                                                         }
1248
1249                                                         subst = (td > 0)
1250                                                                 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1251                                                                 : String.format('%dh %dm %ds', th, tm, ts);
1252
1253                                                         break;
1254
1255                                                 case 'm':
1256                                                         var mf = pMinLength ? parseInt(pMinLength) : 1000;
1257                                                         var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1258
1259                                                         var i = 0;
1260                                                         var val = parseFloat(param || 0);
1261                                                         var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1262
1263                                                         for (i = 0; (i < units.length) && (val > mf); i++)
1264                                                                 val /= mf;
1265
1266                                                         subst = val.toFixed(pr) + ' ' + units[i];
1267                                                         break;
1268                                         }
1269                                 }
1270                         }
1271
1272                         out += leftpart + subst;
1273                         str = str.substr(m.length);
1274                 }
1275
1276                 return out + str;
1277         }