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 2008-2009 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         $Id$
  14 */
  15
  16 var cbi_d = [];
  17 var cbi_t = [];
  18 var cbi_c = [];
  19
  20 var cbi_validators = {
  21
  22         'integer': function(v)
  23         {
  24                 return (v.match(/^-?[0-9]+$/) != null);
  25         },
  26
  27         'uinteger': function(v)
  28         {
  29                 return (cbi_validators.integer(v) && (v >= 0));
  30         },
  31
  32         'ipaddr': function(v)
  33         {
  34                 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
  35         },
  36
  37         'ip4addr': function(v)
  38         {
  39                 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
  40                 {
  41                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  42                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  43                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  44                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  45                                (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
  46                         ;
  47                 }
  48
  49                 return false;
  50         },
  51
  52         'ip6addr': function(v)
  53         {
  54                 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  55                 {
  56                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  57                         {
  58                                 var addr = RegExp.$1;
  59
  60                                 if( addr == '::' )
  61                                 {
  62                                         return true;
  63                                 }
  64
  65                                 if( addr.indexOf('.') > 0 )
  66                                 {
  67                                         var off = addr.lastIndexOf(':');
  68
  69                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  70                                                 return false;
  71
  72                                         addr = addr.substr(0, off) + ':0:0';
  73                                 }
  74
  75                                 if( addr.indexOf('::') < 0 )
  76                                 {
  77                                         return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
  78                                 }
  79
  80                                 var fields = 0;
  81
  82                                 for( var i = 0, last = 0, comp = false; i <= addr.length; i++ )
  83                                 {
  84                                         if( (addr.charAt(i) == ':') || (i == addr.length) )
  85                                         {
  86                                                 if( (i == last) && !comp )
  87                                                 {
  88                                                         comp = true;
  89                                                 }
  90                                                 else
  91                                                 {
  92                                                         var f = addr.substring(last, i);
  93                                                         if( !(f && f.match(/^[a-fA-F0-9]{1,4}$/)) )
  94                                                                 return false;
  95                                                 }
  96
  97                                                 fields++;
  98                                                 last = i + 1;
  99                                         }
 100                                 }
 101
 102                                 return (fields == 8);
 103                         }
 104                 }
 105
 106                 return false;
 107         },
 108
 109         'port': function(v)
 110         {
 111                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 112         },
 113
 114         'portrange': function(v)
 115         {
 116                 if( v.match(/^(\d+)-(\d+)$/) )
 117                 {
 118                         var p1 = RegExp.$1;
 119                         var p2 = RegExp.$2;
 120
 121                         return cbi_validators.port(p1) &&
 122                                cbi_validators.port(p2) &&
 123                                (parseInt(p1) <= parseInt(p2))
 124                         ;
 125                 }
 126                 else
 127                 {
 128                         return cbi_validators.port(v);
 129                 }
 130         },
 131
 132         'macaddr': function(v)
 133         {
 134                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 135         },
 136
 137         'host': function(v)
 138         {
 139                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 140         },
 141
 142         'hostname': function(v)
 143         {
 144                 return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
 145         },
 146
 147         'wpakey': function(v)
 148         {
 149                 if( v.length == 64 )
 150                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 151                 else
 152                         return (v.length >= 8) && (v.length <= 63);
 153         },
 154
 155         'wepkey': function(v)
 156         {
 157                 if( v.substr(0,2) == 's:' )
 158                         v = v.substr(2);
 159
 160                 if( (v.length == 10) || (v.length == 26) )
 161                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 162                 else
 163                         return (v.length == 5) || (v.length == 13);
 164         },
 165
 166 };
 167
 168
 169 function cbi_d_add(field, dep, next) {
 170         var obj = document.getElementById(field);
 171         if (obj) {
 172                 var entry
 173                 for (var i=0; i<cbi_d.length; i++) {
 174                         if (cbi_d[i].id == field) {
 175                                 entry = cbi_d[i];
 176                                 break;
 177                         }
 178                 }
 179                 if (!entry) {
 180                         entry = {
 181                                 "node": obj,
 182                                 "id": field,
 183                                 "parent": obj.parentNode.id,
 184                                 "next": next,
 185                                 "deps": []
 186                         };
 187                         cbi_d.unshift(entry);
 188                 }
 189                 entry.deps.push(dep)
 190         }
 191 }
 192
 193 function cbi_d_checkvalue(target, ref) {
 194         var t = document.getElementById(target);
 195         var value;
 196
 197         if (!t) {
 198                 var tl = document.getElementsByName(target);
 199
 200                 if( tl.length > 0 && tl[0].type == 'radio' )
 201                         for( var i = 0; i < tl.length; i++ )
 202                                 if( tl[i].checked ) {
 203                                         value = tl[i].value;
 204                                         break;
 205                                 }
 206
 207                 value = value ? value : "";
 208         } else if (!t.value) {
 209                 value = "";
 210         } else {
 211                 value = t.value;
 212
 213                 if (t.type == "checkbox") {
 214                         value = t.checked ? value : "";
 215                 }
 216         }
 217
 218         return (value == ref)
 219 }
 220
 221 function cbi_d_check(deps) {
 222         var reverse;
 223         var def = false;
 224         for (var i=0; i<deps.length; i++) {
 225                 var istat = true;
 226                 reverse = false;
 227                 for (var j in deps[i]) {
 228                         if (j == "!reverse") {
 229                                 reverse = true;
 230                         } else if (j == "!default") {
 231                                 def = true;
 232                                 istat = false;
 233                         } else {
 234                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 235                         }
 236                 }
 237                 if (istat) {
 238                         return !reverse;
 239                 }
 240         }
 241         return def;
 242 }
 243
 244 function cbi_d_update() {
 245         var state = false;
 246         for (var i=0; i<cbi_d.length; i++) {
 247                 var entry = cbi_d[i];
 248                 var next  = document.getElementById(entry.next)
 249                 var node  = document.getElementById(entry.id)
 250                 var parent = document.getElementById(entry.parent)
 251
 252                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 253                         node.parentNode.removeChild(node);
 254                         state = true;
 255                         if( entry.parent )
 256                                 cbi_c[entry.parent]--;
 257                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 258                         if (!next) {
 259                                 parent.appendChild(entry.node);
 260                         } else {
 261                                 next.parentNode.insertBefore(entry.node, next);
 262                         }
 263                         state = true;
 264                         if( entry.parent )
 265                                 cbi_c[entry.parent]++;
 266                 }
 267         }
 268
 269         if (entry.parent) {
 270                 cbi_t_update();
 271         }
 272
 273         if (state) {
 274                 cbi_d_update();
 275         }
 276 }
 277
 278 function cbi_bind(obj, type, callback, mode) {
 279         if (typeof mode == "undefined") {
 280                 mode = false;
 281         }
 282         if (!obj.addEventListener) {
 283                 ieCallback = function(){
 284                         var e = window.event;
 285                         if (!e.target && e.srcElement) {
 286                                 e.target = e.srcElement;
 287                         };
 288                         e.target['_eCB' + type + callback] = callback;
 289                         e.target['_eCB' + type + callback](e);
 290                         e.target['_eCB' + type + callback] = null;
 291                 };
 292                 obj.attachEvent('on' + type, ieCallback);
 293         } else {
 294                 obj.addEventListener(type, callback, mode);
 295         }
 296         return obj;
 297 }
 298
 299 function cbi_combobox(id, values, def, man) {
 300         var selid = "cbi.combobox." + id;
 301         if (document.getElementById(selid)) {
 302                 return
 303         }
 304
 305         var obj = document.getElementById(id)
 306         var sel = document.createElement("select");
 307         sel.id = selid;
 308         sel.className = 'cbi-input-select';
 309         if (obj.nextSibling) {
 310                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 311         } else {
 312                 obj.parentNode.appendChild(sel);
 313         }
 314
 315         if (!values[obj.value]) {
 316                 if (obj.value == "") {
 317                         var optdef = document.createElement("option");
 318                         optdef.value = "";
 319                         optdef.appendChild(document.createTextNode(def));
 320                         sel.appendChild(optdef);
 321                 } else {
 322                         var opt = document.createElement("option");
 323                         opt.value = obj.value;
 324                         opt.selected = "selected";
 325                         opt.appendChild(document.createTextNode(obj.value));
 326                         sel.appendChild(opt);
 327                 }
 328         }
 329
 330         for (var i in values) {
 331                 var opt = document.createElement("option");
 332                 opt.value = i;
 333
 334                 if (obj.value == i) {
 335                         opt.selected = "selected";
 336                 }
 337
 338                 opt.appendChild(document.createTextNode(values[i]));
 339                 sel.appendChild(opt);
 340         }
 341
 342         var optman = document.createElement("option");
 343         optman.value = "";
 344         optman.appendChild(document.createTextNode(man));
 345         sel.appendChild(optman);
 346
 347         obj.style.display = "none";
 348
 349         cbi_bind(sel, "change", function() {
 350                 if (sel.selectedIndex == sel.options.length - 1) {
 351                         obj.style.display = "inline";
 352                         sel.parentNode.removeChild(sel);
 353                         obj.focus();
 354                 } else {
 355                         obj.value = sel.options[sel.selectedIndex].value;
 356                 }
 357
 358                 try {
 359                         cbi_d_update();
 360                 } catch (e) {
 361                         //Do nothing
 362                 }
 363         })
 364 }
 365
 366 function cbi_combobox_init(id, values, def, man) {
 367         var obj = document.getElementById(id);
 368         cbi_bind(obj, "blur", function() {
 369                 cbi_combobox(id, values, def, man)
 370         });
 371         cbi_combobox(id, values, def, man);
 372 }
 373
 374 function cbi_filebrowser(id, url, defpath) {
 375         var field   = document.getElementById(id);
 376         var browser = window.open(
 377                 url + ( field.value || defpath || '' ) + '?field=' + id,
 378                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 379         );
 380
 381         browser.focus();
 382 }
 383
 384 //Hijacks the CBI form to send via XHR (requires Prototype)
 385 function cbi_hijack_forms(layer, win, fail, load) {
 386         var forms = layer.getElementsByTagName('form');
 387         for (var i=0; i<forms.length; i++) {
 388                 $(forms[i]).observe('submit', function(event) {
 389                         // Prevent the form from also submitting the regular way
 390                         event.stop();
 391
 392                         // Submit via XHR
 393                         event.element().request({
 394                                 onSuccess: win,
 395                                 onFailure: fail
 396                         });
 397
 398                         if (load) {
 399                                 load();
 400                         }
 401                 });
 402         }
 403 }
 404
 405
 406 function cbi_t_add(section, tab) {
 407         var t = document.getElementById('tab.' + section + '.' + tab);
 408         var c = document.getElementById('container.' + section + '.' + tab);
 409
 410         if( t && c ) {
 411                 cbi_t[section] = (cbi_t[section] || [ ]);
 412                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 413         }
 414 }
 415
 416 function cbi_t_switch(section, tab) {
 417         if( cbi_t[section] && cbi_t[section][tab] ) {
 418                 var o = cbi_t[section][tab];
 419                 var h = document.getElementById('tab.' + section);
 420                 for( var tid in cbi_t[section] ) {
 421                         var o2 = cbi_t[section][tid];
 422                         if( o.tab.id != o2.tab.id ) {
 423                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 424                                 o2.container.style.display = 'none';
 425                         }
 426                         else {
 427                                 if(h) h.value = tab;
 428                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 429                                 o2.container.style.display = 'block';
 430                         }
 431                 }
 432         }
 433         return false
 434 }
 435
 436 function cbi_t_update() {
 437         for( var sid in cbi_t )
 438                 for( var tid in cbi_t[sid] )
 439                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 440                                 cbi_t[sid][tid].tab.style.display = 'none';
 441                         }
 442                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 443                                 cbi_t[sid][tid].tab.style.display = '';
 444
 445                                 var t = cbi_t[sid][tid].tab;
 446                                 window.setTimeout(function() { t.className = t.className.replace(/ cbi-tab-highlighted/g, '') }, 750);
 447                                 cbi_t[sid][tid].tab.className += ' cbi-tab-highlighted';
 448                         }
 449 }
 450