libs/cbi/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.$1;
  57
  58                                 if( addr == '::' )
  59                                 {
  60                                         return true;
  61                                 }
  62
  63                                 if( addr.indexOf('.') > 0 )
  64                                 {
  65                                         var off = addr.lastIndexOf(':');
  66
  67                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  68                                                 return false;
  69
  70                                         addr = addr.substr(0, off) + ':0:0';
  71                                 }
  72
  73                                 if( addr.indexOf('::') < 0 )
  74                                 {
  75                                         return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
  76                                 }
  77
  78                                 var fields = 0;
  79
  80                                 for( var i = 0, last = 0, comp = false; i <= addr.length; i++ )
  81                                 {
  82                                         if( (addr.charAt(i) == ':') || (i == addr.length) )
  83                                         {
  84                                                 if( (i == last) && !comp )
  85                                                 {
  86                                                         comp = true;
  87                                                 }
  88                                                 else
  89                                                 {
  90                                                         var f = addr.substring(last, i);
  91                                                         if( !(f && f.match(/^[a-fA-F0-9]{1,4}$/)) )
  92                                                                 return false;
  93                                                 }
  94
  95                                                 fields++;
  96                                                 last = i + 1;
  97                                         }
  98                                 }
  99
 100                                 return (fields == 8);
 101                         }
 102                 }
 103
 104                 return false;
 105         },
 106
 107         'port': function(v)
 108         {
 109                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 110         },
 111
 112         'portrange': function(v)
 113         {
 114                 if( v.match(/^(\d+)-(\d+)$/) )
 115                 {
 116                         var p1 = RegExp.$1;
 117                         var p2 = RegExp.$2;
 118
 119                         return cbi_validators.port(p1) &&
 120                                cbi_validators.port(p2) &&
 121                                (parseInt(p1) <= parseInt(p2))
 122                         ;
 123                 }
 124                 else
 125                 {
 126                         return cbi_validators.port(v);
 127                 }
 128         },
 129
 130         'macaddr': function(v)
 131         {
 132                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 133         },
 134
 135         'host': function(v)
 136         {
 137                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 138         },
 139
 140         'hostname': function(v)
 141         {
 142                 return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
 143         },
 144
 145         'wpakey': function(v)
 146         {
 147                 if( v.length == 64 )
 148                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 149                 else
 150                         return (v.length >= 8) && (v.length <= 63);
 151         },
 152
 153         'wepkey': function(v)
 154         {
 155                 if( v.substr(0,2) == 's:' )
 156                         v = v.substr(2);
 157
 158                 if( (v.length == 10) || (v.length == 26) )
 159                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 160                 else
 161                         return (v.length == 5) || (v.length == 13);
 162         },
 163
 164 };
 165
 166
 167 function cbi_d_add(field, dep, next) {
 168         var obj = document.getElementById(field);
 169         if (obj) {
 170                 var entry
 171                 for (var i=0; i<cbi_d.length; i++) {
 172                         if (cbi_d[i].id == field) {
 173                                 entry = cbi_d[i];
 174                                 break;
 175                         }
 176                 }
 177                 if (!entry) {
 178                         entry = {
 179                                 "node": obj,
 180                                 "id": field,
 181                                 "parent": obj.parentNode.id,
 182                                 "next": next,
 183                                 "deps": []
 184                         };
 185                         cbi_d.unshift(entry);
 186                 }
 187                 entry.deps.push(dep)
 188         }
 189 }
 190
 191 function cbi_d_checkvalue(target, ref) {
 192         var t = document.getElementById(target);
 193         var value;
 194
 195         if (!t) {
 196                 var tl = document.getElementsByName(target);
 197
 198                 if( tl.length > 0 && tl[0].type == 'radio' )
 199                         for( var i = 0; i < tl.length; i++ )
 200                                 if( tl[i].checked ) {
 201                                         value = tl[i].value;
 202                                         break;
 203                                 }
 204
 205                 value = value ? value : "";
 206         } else if (!t.value) {
 207                 value = "";
 208         } else {
 209                 value = t.value;
 210
 211                 if (t.type == "checkbox") {
 212                         value = t.checked ? value : "";
 213                 }
 214         }
 215
 216         return (value == ref)
 217 }
 218
 219 function cbi_d_check(deps) {
 220         var reverse;
 221         var def = false;
 222         for (var i=0; i<deps.length; i++) {
 223                 var istat = true;
 224                 reverse = false;
 225                 for (var j in deps[i]) {
 226                         if (j == "!reverse") {
 227                                 reverse = true;
 228                         } else if (j == "!default") {
 229                                 def = true;
 230                                 istat = false;
 231                         } else {
 232                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 233                         }
 234                 }
 235                 if (istat) {
 236                         return !reverse;
 237                 }
 238         }
 239         return def;
 240 }
 241
 242 function cbi_d_update() {
 243         var state = false;
 244         for (var i=0; i<cbi_d.length; i++) {
 245                 var entry = cbi_d[i];
 246                 var next  = document.getElementById(entry.next)
 247                 var node  = document.getElementById(entry.id)
 248                 var parent = document.getElementById(entry.parent)
 249
 250                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 251                         node.parentNode.removeChild(node);
 252                         state = true;
 253                         if( entry.parent )
 254                                 cbi_c[entry.parent]--;
 255                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 256                         if (!next) {
 257                                 parent.appendChild(entry.node);
 258                         } else {
 259                                 next.parentNode.insertBefore(entry.node, next);
 260                         }
 261                         state = true;
 262                         if( entry.parent )
 263                                 cbi_c[entry.parent]++;
 264                 }
 265         }
 266
 267         if (entry.parent) {
 268                 cbi_t_update();
 269         }
 270
 271         if (state) {
 272                 cbi_d_update();
 273         }
 274 }
 275
 276 function cbi_bind(obj, type, callback, mode) {
 277         if (typeof mode == "undefined") {
 278                 mode = false;
 279         }
 280         if (!obj.addEventListener) {
 281                 ieCallback = function(){
 282                         var e = window.event;
 283                         if (!e.target && e.srcElement) {
 284                                 e.target = e.srcElement;
 285                         };
 286                         e.target['_eCB' + type + callback] = callback;
 287                         e.target['_eCB' + type + callback](e);
 288                         e.target['_eCB' + type + callback] = null;
 289                 };
 290                 obj.attachEvent('on' + type, ieCallback);
 291         } else {
 292                 obj.addEventListener(type, callback, mode);
 293         }
 294         return obj;
 295 }
 296
 297 function cbi_combobox(id, values, def, man) {
 298         var selid = "cbi.combobox." + id;
 299         if (document.getElementById(selid)) {
 300                 return
 301         }
 302
 303         var obj = document.getElementById(id)
 304         var sel = document.createElement("select");
 305         sel.id = selid;
 306         sel.className = 'cbi-input-select';
 307         if (obj.className && obj.className.match(/cbi-input-invalid/)) {
 308                 sel.className += ' cbi-input-invalid';
 309         }
 310         if (obj.nextSibling) {
 311                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 312         } else {
 313                 obj.parentNode.appendChild(sel);
 314         }
 315
 316         if (!values[obj.value]) {
 317                 if (obj.value == "") {
 318                         var optdef = document.createElement("option");
 319                         optdef.value = "";
 320                         optdef.appendChild(document.createTextNode(def));
 321                         sel.appendChild(optdef);
 322                 } else {
 323                         var opt = document.createElement("option");
 324                         opt.value = obj.value;
 325                         opt.selected = "selected";
 326                         opt.appendChild(document.createTextNode(obj.value));
 327                         sel.appendChild(opt);
 328                 }
 329         }
 330
 331         for (var i in values) {
 332                 var opt = document.createElement("option");
 333                 opt.value = i;
 334
 335                 if (obj.value == i) {
 336                         opt.selected = "selected";
 337                 }
 338
 339                 opt.appendChild(document.createTextNode(values[i]));
 340                 sel.appendChild(opt);
 341         }
 342
 343         var optman = document.createElement("option");
 344         optman.value = "";
 345         optman.appendChild(document.createTextNode(man));
 346         sel.appendChild(optman);
 347
 348         obj.style.display = "none";
 349
 350         cbi_bind(sel, "change", function() {
 351                 if (sel.selectedIndex == sel.options.length - 1) {
 352                         obj.style.display = "inline";
 353                         sel.parentNode.removeChild(sel);
 354                         obj.focus();
 355                 } else {
 356                         obj.value = sel.options[sel.selectedIndex].value;
 357                         sel.className = (!obj.validate || obj.validate())
 358                                 ? 'cbi-input-select' : 'cbi-input-select cbi-input-invalid';
 359                 }
 360
 361                 try {
 362                         cbi_d_update();
 363                 } catch (e) {
 364                         //Do nothing
 365                 }
 366         })
 367 }
 368
 369 function cbi_combobox_init(id, values, def, man) {
 370         var obj = document.getElementById(id);
 371         cbi_bind(obj, "blur", function() {
 372                 cbi_combobox(id, values, def, man)
 373         });
 374         cbi_combobox(id, values, def, man);
 375 }
 376
 377 function cbi_filebrowser(id, url, defpath) {
 378         var field   = document.getElementById(id);
 379         var browser = window.open(
 380                 url + ( field.value || defpath || '' ) + '?field=' + id,
 381                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 382         );
 383
 384         browser.focus();
 385 }
 386
 387 //Hijacks the CBI form to send via XHR (requires Prototype)
 388 function cbi_hijack_forms(layer, win, fail, load) {
 389         var forms = layer.getElementsByTagName('form');
 390         for (var i=0; i<forms.length; i++) {
 391                 $(forms[i]).observe('submit', function(event) {
 392                         // Prevent the form from also submitting the regular way
 393                         event.stop();
 394
 395                         // Submit via XHR
 396                         event.element().request({
 397                                 onSuccess: win,
 398                                 onFailure: fail
 399                         });
 400
 401                         if (load) {
 402                                 load();
 403                         }
 404                 });
 405         }
 406 }
 407
 408
 409 function cbi_t_add(section, tab) {
 410         var t = document.getElementById('tab.' + section + '.' + tab);
 411         var c = document.getElementById('container.' + section + '.' + tab);
 412
 413         if( t && c ) {
 414                 cbi_t[section] = (cbi_t[section] || [ ]);
 415                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 416         }
 417 }
 418
 419 function cbi_t_switch(section, tab) {
 420         if( cbi_t[section] && cbi_t[section][tab] ) {
 421                 var o = cbi_t[section][tab];
 422                 var h = document.getElementById('tab.' + section);
 423                 for( var tid in cbi_t[section] ) {
 424                         var o2 = cbi_t[section][tid];
 425                         if( o.tab.id != o2.tab.id ) {
 426                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 427                                 o2.container.style.display = 'none';
 428                         }
 429                         else {
 430                                 if(h) h.value = tab;
 431                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 432                                 o2.container.style.display = 'block';
 433                         }
 434                 }
 435         }
 436         return false
 437 }
 438
 439 function cbi_t_update() {
 440         for( var sid in cbi_t )
 441                 for( var tid in cbi_t[sid] )
 442                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 443                                 cbi_t[sid][tid].tab.style.display = 'none';
 444                         }
 445                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 446                                 cbi_t[sid][tid].tab.style.display = '';
 447
 448                                 var t = cbi_t[sid][tid].tab;
 449                                 window.setTimeout(function() { t.className = t.className.replace(/ cbi-tab-highlighted/g, '') }, 750);
 450                                 cbi_t[sid][tid].tab.className += ' cbi-tab-highlighted';
 451                         }
 452 }
 453
 454
 455 function cbi_validate_form(form, errmsg)
 456 {
 457         if( form.cbi_validators )
 458         {
 459                 for( var i = 0; i < form.cbi_validators.length; i++ )
 460                 {
 461                         var validator = form.cbi_validators[i];
 462                         if( !validator() && errmsg )
 463                         {
 464                                 alert(errmsg);
 465                                 return false;
 466                         }
 467                 }
 468         }
 469
 470         return true;
 471 }
 472
 473 function cbi_validate_reset(form)
 474 {
 475         window.setTimeout(
 476                 function() { cbi_validate_form(form, null) }, 100
 477         );
 478
 479         return true;
 480 }
 481
 482 function cbi_validate_field(cbid, optional, type)
 483 {
 484         var field = document.getElementById(cbid);
 485         var vldcb = cbi_validators[type];
 486
 487         if( field && vldcb )
 488         {
 489                 var validator = function(reset)
 490                 {
 491                         // is not detached
 492                         if( field.form )
 493                         {
 494                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 495
 496                                 // validate value
 497                                 var value = (field.options) ? field.options[field.options.selectedIndex].value : field.value;
 498                                 if( !(((value.length == 0) && optional) || vldcb(value)) )
 499                                 {
 500                                         // invalid
 501                                         field.className += ' cbi-input-invalid';
 502                                         return false;
 503                                 }
 504                         }
 505
 506                         return true;
 507                 };
 508
 509                 if( ! field.form.cbi_validators )
 510                         field.form.cbi_validators = [ ];
 511
 512                 field.form.cbi_validators.push(validator);
 513                 field.onblur = field.onkeyup = field.validate = validator;
 514
 515                 validator();
 516         }
 517 }
 518