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]+$/) != null);
  23         },
  24
  25         'uinteger': function(v)
  26         {
  27                 return (cbi_validators.integer(v) && (v >= 0));
  28         },
  29
  30         'ipaddr': function(v)
  31         {
  32                 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
  33         },
  34
  35         'ip4addr': function(v)
  36         {
  37                 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
  38                 {
  39                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  40                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  41                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  42                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  43                                (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
  44                         ;
  45                 }
  46
  47                 return false;
  48         },
  49
  50         'ip6addr': function(v)
  51         {
  52                 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  53                 {
  54                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  55                         {
  56                                 var addr = RegExp.$1;
  57
  58                                 if( addr == '::' )
  59                                 {
  60                                         return true;
  61                                 }
  62
  63                                 if( addr.indexOf('.') > 0 )
  64                                 {
  65                                         var off = addr.lastIndexOf(':');
  66
  67                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  68                                                 return false;
  69
  70                                         addr = addr.substr(0, off) + ':0:0';
  71                                 }
  72
  73                                 if( addr.indexOf('::') >= 0 )
  74                                 {
  75                                         var colons = 0;
  76                                         var fill = '0';
  77
  78                                         for( var i = 0; i < addr.length; i++ )
  79                                                 if( addr.charAt(i) == ':' )
  80                                                         colons++;
  81
  82                                         if( colons > 7 )
  83                                                 return false;
  84
  85                                         for( var i = 0; i < (7 - colons); i++ )
  86                                                 fill += ':0';
  87
  88                                         addr = addr.replace(/::/, ':' + fill + ':');
  89                                 }
  90
  91                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
  92                         }
  93                 }
  94
  95                 return false;
  96         },
  97
  98         'port': function(v)
  99         {
 100                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 101         },
 102
 103         'portrange': function(v)
 104         {
 105                 if( v.match(/^(\d+)-(\d+)$/) )
 106                 {
 107                         var p1 = RegExp.$1;
 108                         var p2 = RegExp.$2;
 109
 110                         return cbi_validators.port(p1) &&
 111                                cbi_validators.port(p2) &&
 112                                (parseInt(p1) <= parseInt(p2))
 113                         ;
 114                 }
 115                 else
 116                 {
 117                         return cbi_validators.port(v);
 118                 }
 119         },
 120
 121         'macaddr': function(v)
 122         {
 123                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 124         },
 125
 126         'host': function(v)
 127         {
 128                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 129         },
 130
 131         'hostname': function(v)
 132         {
 133                 return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
 134         },
 135
 136         'wpakey': function(v)
 137         {
 138                 if( v.length == 64 )
 139                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 140                 else
 141                         return (v.length >= 8) && (v.length <= 63);
 142         },
 143
 144         'wepkey': function(v)
 145         {
 146                 if( v.substr(0,2) == 's:' )
 147                         v = v.substr(2);
 148
 149                 if( (v.length == 10) || (v.length == 26) )
 150                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 151                 else
 152                         return (v.length == 5) || (v.length == 13);
 153         },
 154
 155 };
 156
 157
 158 function cbi_d_add(field, dep, next) {
 159         var obj = document.getElementById(field);
 160         if (obj) {
 161                 var entry
 162                 for (var i=0; i<cbi_d.length; i++) {
 163                         if (cbi_d[i].id == field) {
 164                                 entry = cbi_d[i];
 165                                 break;
 166                         }
 167                 }
 168                 if (!entry) {
 169                         entry = {
 170                                 "node": obj,
 171                                 "id": field,
 172                                 "parent": obj.parentNode.id,
 173                                 "next": next,
 174                                 "deps": []
 175                         };
 176                         cbi_d.unshift(entry);
 177                 }
 178                 entry.deps.push(dep)
 179         }
 180 }
 181
 182 function cbi_d_checkvalue(target, ref) {
 183         var t = document.getElementById(target);
 184         var value;
 185
 186         if (!t) {
 187                 var tl = document.getElementsByName(target);
 188
 189                 if( tl.length > 0 && tl[0].type == 'radio' )
 190                         for( var i = 0; i < tl.length; i++ )
 191                                 if( tl[i].checked ) {
 192                                         value = tl[i].value;
 193                                         break;
 194                                 }
 195
 196                 value = value ? value : "";
 197         } else if (!t.value) {
 198                 value = "";
 199         } else {
 200                 value = t.value;
 201
 202                 if (t.type == "checkbox") {
 203                         value = t.checked ? value : "";
 204                 }
 205         }
 206
 207         return (value == ref)
 208 }
 209
 210 function cbi_d_check(deps) {
 211         var reverse;
 212         var def = false;
 213         for (var i=0; i<deps.length; i++) {
 214                 var istat = true;
 215                 reverse = false;
 216                 for (var j in deps[i]) {
 217                         if (j == "!reverse") {
 218                                 reverse = true;
 219                         } else if (j == "!default") {
 220                                 def = true;
 221                                 istat = false;
 222                         } else {
 223                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 224                         }
 225                 }
 226                 if (istat) {
 227                         return !reverse;
 228                 }
 229         }
 230         return def;
 231 }
 232
 233 function cbi_d_update() {
 234         var state = false;
 235         for (var i=0; i<cbi_d.length; i++) {
 236                 var entry = cbi_d[i];
 237                 var next  = document.getElementById(entry.next)
 238                 var node  = document.getElementById(entry.id)
 239                 var parent = document.getElementById(entry.parent)
 240
 241                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 242                         node.parentNode.removeChild(node);
 243                         state = true;
 244                         if( entry.parent )
 245                                 cbi_c[entry.parent]--;
 246                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 247                         if (!next) {
 248                                 parent.appendChild(entry.node);
 249                         } else {
 250                                 next.parentNode.insertBefore(entry.node, next);
 251                         }
 252                         state = true;
 253                         if( entry.parent )
 254                                 cbi_c[entry.parent]++;
 255                 }
 256         }
 257
 258         if (entry && entry.parent) {
 259                 cbi_t_update();
 260         }
 261
 262         if (state) {
 263                 cbi_d_update();
 264         }
 265 }
 266
 267 function cbi_bind(obj, type, callback, mode) {
 268         if (typeof mode == "undefined") {
 269                 mode = false;
 270         }
 271         if (!obj.addEventListener) {
 272                 ieCallback = function(){
 273                         var e = window.event;
 274                         if (!e.target && e.srcElement) {
 275                                 e.target = e.srcElement;
 276                         };
 277                         e.target['_eCB' + type + callback] = callback;
 278                         e.target['_eCB' + type + callback](e);
 279                         e.target['_eCB' + type + callback] = null;
 280                 };
 281                 obj.attachEvent('on' + type, ieCallback);
 282         } else {
 283                 obj.addEventListener(type, callback, mode);
 284         }
 285         return obj;
 286 }
 287
 288 function cbi_combobox(id, values, def, man) {
 289         var selid = "cbi.combobox." + id;
 290         if (document.getElementById(selid)) {
 291                 return
 292         }
 293
 294         var obj = document.getElementById(id)
 295         var sel = document.createElement("select");
 296         sel.id = selid;
 297         sel.className = 'cbi-input-select';
 298         if (obj.className && obj.className.match(/cbi-input-invalid/)) {
 299                 sel.className += ' cbi-input-invalid';
 300         }
 301         if (obj.nextSibling) {
 302                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 303         } else {
 304                 obj.parentNode.appendChild(sel);
 305         }
 306
 307         if (!values[obj.value]) {
 308                 if (obj.value == "") {
 309                         var optdef = document.createElement("option");
 310                         optdef.value = "";
 311                         optdef.appendChild(document.createTextNode(def));
 312                         sel.appendChild(optdef);
 313                 } else {
 314                         var opt = document.createElement("option");
 315                         opt.value = obj.value;
 316                         opt.selected = "selected";
 317                         opt.appendChild(document.createTextNode(obj.value));
 318                         sel.appendChild(opt);
 319                 }
 320         }
 321
 322         for (var i in values) {
 323                 var opt = document.createElement("option");
 324                 opt.value = i;
 325
 326                 if (obj.value == i) {
 327                         opt.selected = "selected";
 328                 }
 329
 330                 opt.appendChild(document.createTextNode(values[i]));
 331                 sel.appendChild(opt);
 332         }
 333
 334         var optman = document.createElement("option");
 335         optman.value = "";
 336         optman.appendChild(document.createTextNode(man));
 337         sel.appendChild(optman);
 338
 339         obj.style.display = "none";
 340
 341         cbi_bind(sel, "change", function() {
 342                 if (sel.selectedIndex == sel.options.length - 1) {
 343                         obj.style.display = "inline";
 344                         sel.parentNode.removeChild(sel);
 345                         obj.focus();
 346                 } else {
 347                         obj.value = sel.options[sel.selectedIndex].value;
 348                         sel.className = (!obj.validate || obj.validate())
 349                                 ? 'cbi-input-select' : 'cbi-input-select cbi-input-invalid';
 350                 }
 351
 352                 try {
 353                         cbi_d_update();
 354                 } catch (e) {
 355                         //Do nothing
 356                 }
 357         })
 358 }
 359
 360 function cbi_combobox_init(id, values, def, man) {
 361         var obj = document.getElementById(id);
 362         cbi_bind(obj, "blur", function() {
 363                 cbi_combobox(id, values, def, man)
 364         });
 365         cbi_combobox(id, values, def, man);
 366 }
 367
 368 function cbi_filebrowser(id, url, defpath) {
 369         var field   = document.getElementById(id);
 370         var browser = window.open(
 371                 url + ( field.value || defpath || '' ) + '?field=' + id,
 372                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 373         );
 374
 375         browser.focus();
 376 }
 377
 378 //Hijacks the CBI form to send via XHR (requires Prototype)
 379 function cbi_hijack_forms(layer, win, fail, load) {
 380         var forms = layer.getElementsByTagName('form');
 381         for (var i=0; i<forms.length; i++) {
 382                 $(forms[i]).observe('submit', function(event) {
 383                         // Prevent the form from also submitting the regular way
 384                         event.stop();
 385
 386                         // Submit via XHR
 387                         event.element().request({
 388                                 onSuccess: win,
 389                                 onFailure: fail
 390                         });
 391
 392                         if (load) {
 393                                 load();
 394                         }
 395                 });
 396         }
 397 }
 398
 399
 400 function cbi_t_add(section, tab) {
 401         var t = document.getElementById('tab.' + section + '.' + tab);
 402         var c = document.getElementById('container.' + section + '.' + tab);
 403
 404         if( t && c ) {
 405                 cbi_t[section] = (cbi_t[section] || [ ]);
 406                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 407         }
 408 }
 409
 410 function cbi_t_switch(section, tab) {
 411         if( cbi_t[section] && cbi_t[section][tab] ) {
 412                 var o = cbi_t[section][tab];
 413                 var h = document.getElementById('tab.' + section);
 414                 for( var tid in cbi_t[section] ) {
 415                         var o2 = cbi_t[section][tid];
 416                         if( o.tab.id != o2.tab.id ) {
 417                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 418                                 o2.container.style.display = 'none';
 419                         }
 420                         else {
 421                                 if(h) h.value = tab;
 422                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 423                                 o2.container.style.display = 'block';
 424                         }
 425                 }
 426         }
 427         return false
 428 }
 429
 430 function cbi_t_update() {
 431         var hl_tabs = [ ];
 432
 433         for( var sid in cbi_t )
 434                 for( var tid in cbi_t[sid] )
 435                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 436                                 cbi_t[sid][tid].tab.style.display = 'none';
 437                         }
 438                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 439                                 cbi_t[sid][tid].tab.style.display = '';
 440
 441                                 var t = cbi_t[sid][tid].tab;
 442                                 t.className += ' cbi-tab-highlighted';
 443                                 hl_tabs.push(t);
 444                         }
 445
 446         if( hl_tabs.length > 0 )
 447                 window.setTimeout(function() {
 448                         for( var i = 0; i < hl_tabs.length; i++ )
 449                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 450                 }, 750);
 451 }
 452
 453
 454 function cbi_validate_form(form, errmsg)
 455 {
 456         /* if triggered by a section removal or addition, don't validate */
 457         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 458                 return true;
 459
 460         if( form.cbi_validators )
 461         {
 462                 for( var i = 0; i < form.cbi_validators.length; i++ )
 463                 {
 464                         var validator = form.cbi_validators[i];
 465                         if( !validator() && errmsg )
 466                         {
 467                                 alert(errmsg);
 468                                 return false;
 469                         }
 470                 }
 471         }
 472
 473         return true;
 474 }
 475
 476 function cbi_validate_reset(form)
 477 {
 478         window.setTimeout(
 479                 function() { cbi_validate_form(form, null) }, 100
 480         );
 481
 482         return true;
 483 }
 484
 485 function cbi_validate_field(cbid, optional, type)
 486 {
 487         var field = document.getElementById(cbid);
 488         var vldcb = cbi_validators[type];
 489
 490         if( field && vldcb )
 491         {
 492                 var validator = function()
 493                 {
 494                         // is not detached
 495                         if( field.form )
 496                         {
 497                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 498
 499                                 // validate value
 500                                 var value = (field.options) ? field.options[field.options.selectedIndex].value : field.value;
 501                                 if( !(((value.length == 0) && optional) || vldcb(value)) )
 502                                 {
 503                                         // invalid
 504                                         field.className += ' cbi-input-invalid';
 505                                         return false;
 506                                 }
 507                         }
 508
 509                         return true;
 510                 };
 511
 512                 if( ! field.form.cbi_validators )
 513                         field.form.cbi_validators = [ ];
 514
 515                 field.form.cbi_validators.push(validator);
 516                 field.onblur = field.onkeyup = field.validate = validator;
 517
 518                 validator();
 519         }
 520 }
 521
 522 if( ! String.serialize )
 523         String.serialize = function(o)
 524         {
 525                 switch(typeof(o))
 526                 {
 527                         case 'object':
 528                                 // null
 529                                 if( o == null )
 530                                 {
 531                                         return 'null';
 532                                 }
 533
 534                                 // array
 535                                 else if( o.length )
 536                                 {
 537                                         var i, s = '';
 538
 539                                         for( var i = 0; i < o.length; i++ )
 540                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 541
 542                                         return '[ ' + s + ' ]';
 543                                 }
 544
 545                                 // object
 546                                 else
 547                                 {
 548                                         var k, s = '';
 549
 550                                         for( k in o )
 551                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 552
 553                                         return '{ ' + s + ' }';
 554                                 }
 555
 556                                 break;
 557
 558                         case 'string':
 559                                 // complex string
 560                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 561                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 562
 563                                 // simple string
 564                                 else
 565                                         return '"' + o + '"';
 566
 567                                 break;
 568
 569                         default:
 570                                 return o.toString();
 571                 }
 572         }
 573
 574
 575 if( ! String.format )
 576         String.format = function()
 577         {
 578                 if (!arguments || arguments.length < 1 || !RegExp)
 579                         return;
 580
 581                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 582                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 583
 584                 function esc(s, r) {
 585                         for( var i = 0; i < r.length; i += 2 )
 586                                 s = s.replace(r[i], r[i+1]);
 587                         return s;
 588                 }
 589
 590                 var str = arguments[0];
 591                 var out = '';
 592                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j))/;
 593                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 594
 595                 while( a = re.exec(str) )
 596                 {
 597                         var m = a[1];
 598                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 599                         var pPrecision = a[6], pType = a[7];
 600
 601                         numMatches++;
 602
 603                         if (pType == '%')
 604                         {
 605                                 subst = '%';
 606                         }
 607                         else
 608                         {
 609                                 if (numSubstitutions++ < arguments.length)
 610                                 {
 611                                         var param = arguments[numSubstitutions];
 612
 613                                         var pad = '';
 614                                         if (pPad && pPad.substr(0,1) == "'")
 615                                                 pad = leftpart.substr(1,1);
 616                                         else if (pPad)
 617                                                 pad = pPad;
 618
 619                                         var justifyRight = true;
 620                                         if (pJustify && pJustify === "-")
 621                                                 justifyRight = false;
 622
 623                                         var minLength = -1;
 624                                         if (pMinLength)
 625                                                 minLength = parseInt(pMinLength);
 626
 627                                         var precision = -1;
 628                                         if (pPrecision && pType == 'f')
 629                                                 precision = parseInt(pPrecision.substring(1));
 630
 631                                         var subst = param;
 632
 633                                         switch(pType)
 634                                         {
 635                                                 case 'b':
 636                                                         subst = (parseInt(param) || 0).toString(2);
 637                                                         break;
 638
 639                                                 case 'c':
 640                                                         subst = String.fromCharCode(parseInt(param) || 0);
 641                                                         break;
 642
 643                                                 case 'd':
 644                                                         subst = (parseInt(param) || 0);
 645                                                         break;
 646
 647                                                 case 'u':
 648                                                         subst = Math.abs(parseInt(param) || 0);
 649                                                         break;
 650
 651                                                 case 'f':
 652                                                         subst = (precision > -1)
 653                                                                 ? Math.round((parseFloat(param) || 0.0) * Math.pow(10, precision)) / Math.pow(10, precision)
 654                                                                 : (parseFloat(param) || 0.0);
 655                                                         break;
 656
 657                                                 case 'o':
 658                                                         subst = (parseInt(param) || 0).toString(8);
 659                                                         break;
 660
 661                                                 case 's':
 662                                                         subst = param;
 663                                                         break;
 664
 665                                                 case 'x':
 666                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
 667                                                         break;
 668
 669                                                 case 'X':
 670                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
 671                                                         break;
 672
 673                                                 case 'h':
 674                                                         subst = esc(param, html_esc);
 675                                                         break;
 676
 677                                                 case 'q':
 678                                                         subst = esc(param, quot_esc);
 679                                                         break;
 680
 681                                                 case 'j':
 682                                                         subst = String.serialize(param);
 683                                                         break;
 684                                         }
 685                                 }
 686                         }
 687
 688                         out += leftpart + subst;
 689                         str = str.substr(m.length);
 690                 }
 691
 692                 return out + str;
 693         }