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.nextSibling) {
 308                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 309         } else {
 310                 obj.parentNode.appendChild(sel);
 311         }
 312
 313         if (!values[obj.value]) {
 314                 if (obj.value == "") {
 315                         var optdef = document.createElement("option");
 316                         optdef.value = "";
 317                         optdef.appendChild(document.createTextNode(def));
 318                         sel.appendChild(optdef);
 319                 } else {
 320                         var opt = document.createElement("option");
 321                         opt.value = obj.value;
 322                         opt.selected = "selected";
 323                         opt.appendChild(document.createTextNode(obj.value));
 324                         sel.appendChild(opt);
 325                 }
 326         }
 327
 328         for (var i in values) {
 329                 var opt = document.createElement("option");
 330                 opt.value = i;
 331
 332                 if (obj.value == i) {
 333                         opt.selected = "selected";
 334                 }
 335
 336                 opt.appendChild(document.createTextNode(values[i]));
 337                 sel.appendChild(opt);
 338         }
 339
 340         var optman = document.createElement("option");
 341         optman.value = "";
 342         optman.appendChild(document.createTextNode(man));
 343         sel.appendChild(optman);
 344
 345         obj.style.display = "none";
 346
 347         cbi_bind(sel, "change", function() {
 348                 if (sel.selectedIndex == sel.options.length - 1) {
 349                         obj.style.display = "inline";
 350                         sel.parentNode.removeChild(sel);
 351                         obj.focus();
 352                 } else {
 353                         obj.value = sel.options[sel.selectedIndex].value;
 354                 }
 355
 356                 try {
 357                         cbi_d_update();
 358                 } catch (e) {
 359                         //Do nothing
 360                 }
 361         })
 362 }
 363
 364 function cbi_combobox_init(id, values, def, man) {
 365         var obj = document.getElementById(id);
 366         cbi_bind(obj, "blur", function() {
 367                 cbi_combobox(id, values, def, man)
 368         });
 369         cbi_combobox(id, values, def, man);
 370 }
 371
 372 function cbi_filebrowser(id, url, defpath) {
 373         var field   = document.getElementById(id);
 374         var browser = window.open(
 375                 url + ( field.value || defpath || '' ) + '?field=' + id,
 376                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 377         );
 378
 379         browser.focus();
 380 }
 381
 382 //Hijacks the CBI form to send via XHR (requires Prototype)
 383 function cbi_hijack_forms(layer, win, fail, load) {
 384         var forms = layer.getElementsByTagName('form');
 385         for (var i=0; i<forms.length; i++) {
 386                 $(forms[i]).observe('submit', function(event) {
 387                         // Prevent the form from also submitting the regular way
 388                         event.stop();
 389
 390                         // Submit via XHR
 391                         event.element().request({
 392                                 onSuccess: win,
 393                                 onFailure: fail
 394                         });
 395
 396                         if (load) {
 397                                 load();
 398                         }
 399                 });
 400         }
 401 }
 402
 403
 404 function cbi_t_add(section, tab) {
 405         var t = document.getElementById('tab.' + section + '.' + tab);
 406         var c = document.getElementById('container.' + section + '.' + tab);
 407
 408         if( t && c ) {
 409                 cbi_t[section] = (cbi_t[section] || [ ]);
 410                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 411         }
 412 }
 413
 414 function cbi_t_switch(section, tab) {
 415         if( cbi_t[section] && cbi_t[section][tab] ) {
 416                 var o = cbi_t[section][tab];
 417                 var h = document.getElementById('tab.' + section);
 418                 for( var tid in cbi_t[section] ) {
 419                         var o2 = cbi_t[section][tid];
 420                         if( o.tab.id != o2.tab.id ) {
 421                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 422                                 o2.container.style.display = 'none';
 423                         }
 424                         else {
 425                                 if(h) h.value = tab;
 426                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 427                                 o2.container.style.display = 'block';
 428                         }
 429                 }
 430         }
 431         return false
 432 }
 433
 434 function cbi_t_update() {
 435         for( var sid in cbi_t )
 436                 for( var tid in cbi_t[sid] )
 437                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 438                                 cbi_t[sid][tid].tab.style.display = 'none';
 439                         }
 440                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 441                                 cbi_t[sid][tid].tab.style.display = '';
 442
 443                                 var t = cbi_t[sid][tid].tab;
 444                                 window.setTimeout(function() { t.className = t.className.replace(/ cbi-tab-highlighted/g, '') }, 750);
 445                                 cbi_t[sid][tid].tab.className += ' cbi-tab-highlighted';
 446                         }
 447 }
 448
 449
 450 function cbi_validate_disable_form(form, onoff)
 451 {
 452         for( var i = 0; i < form.elements.length; i++ )
 453         {
 454                 if( form.elements[i].type == 'submit' )
 455                 {
 456                         form.elements[i].disabled = onoff;
 457                         break;
 458                 }
 459         }
 460 }
 461
 462 function cbi_validate_field(type, optional, field)
 463 {
 464         var vldcb = cbi_validators[type];
 465         if( vldcb )
 466         {
 467                 var value = (field.options) ? field.options[field.options.selectedIndex].value : field.value;
 468
 469                 if( ((value.length == 0) && optional) || vldcb(value) )
 470                 {
 471                         // OK
 472                         field.className = field.className.replace(/ cbi-input-invalid/g, '');
 473                         cbi_validate_disable_form(field.form, false);
 474                 }
 475                 else
 476                 {
 477                         // Invalid
 478                         field.className += ' cbi-input-invalid';
 479                         cbi_validate_disable_form(field.form, true);
 480                 }
 481         }
 482         else
 483         {
 484                 // OK
 485                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 486                 cbi_validate_disable_form(field.form, false);
 487         }
 488 }
 489