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openmptcprouter-feeds/luci-base/htdocs/luci-static/resources/luci.js
Ycarus (Yannick Chabanois) e7ae8eed52 Update luci-base
2019-08-27 22:20:52 +02:00

1366 lines
33 KiB
JavaScript

(function(window, document, undefined) {
'use strict';
/* Object.assign polyfill for IE */
if (typeof Object.assign !== 'function') {
Object.defineProperty(Object, 'assign', {
value: function assign(target, varArgs) {
if (target == null)
throw new TypeError('Cannot convert undefined or null to object');
var to = Object(target);
for (var index = 1; index < arguments.length; index++)
if (arguments[index] != null)
for (var nextKey in arguments[index])
if (Object.prototype.hasOwnProperty.call(arguments[index], nextKey))
to[nextKey] = arguments[index][nextKey];
return to;
},
writable: true,
configurable: true
});
}
/* Promise.finally polyfill */
if (typeof Promise.prototype.finally !== 'function') {
Promise.prototype.finally = function(fn) {
var onFinally = function(cb) {
return Promise.resolve(fn.call(this)).then(cb);
};
return this.then(
function(result) { return onFinally.call(this, function() { return result }) },
function(reason) { return onFinally.call(this, function() { return Promise.reject(reason) }) }
);
};
}
/*
* Class declaration and inheritance helper
*/
var toCamelCase = function(s) {
return s.replace(/(?:^|[\. -])(.)/g, function(m0, m1) { return m1.toUpperCase() });
};
var superContext = null, Class = Object.assign(function() {}, {
extend: function(properties) {
var props = {
__base__: { value: this.prototype },
__name__: { value: properties.__name__ || 'anonymous' }
};
var ClassConstructor = function() {
if (!(this instanceof ClassConstructor))
throw new TypeError('Constructor must not be called without "new"');
if (Object.getPrototypeOf(this).hasOwnProperty('__init__')) {
if (typeof(this.__init__) != 'function')
throw new TypeError('Class __init__ member is not a function');
this.__init__.apply(this, arguments)
}
else {
this.super('__init__', arguments);
}
};
for (var key in properties)
if (!props[key] && properties.hasOwnProperty(key))
props[key] = { value: properties[key], writable: true };
ClassConstructor.prototype = Object.create(this.prototype, props);
ClassConstructor.prototype.constructor = ClassConstructor;
Object.assign(ClassConstructor, this);
ClassConstructor.displayName = toCamelCase(props.__name__.value + 'Class');
return ClassConstructor;
},
singleton: function(properties /*, ... */) {
return Class.extend(properties)
.instantiate(Class.prototype.varargs(arguments, 1));
},
instantiate: function(args) {
return new (Function.prototype.bind.apply(this,
Class.prototype.varargs(args, 0, null)))();
},
call: function(self, method) {
if (typeof(this.prototype[method]) != 'function')
throw new ReferenceError(method + ' is not defined in class');
return this.prototype[method].apply(self, self.varargs(arguments, 1));
},
isSubclass: function(_class) {
return (_class != null &&
typeof(_class) == 'function' &&
_class.prototype instanceof this);
},
prototype: {
varargs: function(args, offset /*, ... */) {
return Array.prototype.slice.call(arguments, 2)
.concat(Array.prototype.slice.call(args, offset));
},
super: function(key, callArgs) {
for (superContext = Object.getPrototypeOf(superContext ||
Object.getPrototypeOf(this));
superContext && !superContext.hasOwnProperty(key);
superContext = Object.getPrototypeOf(superContext)) { }
if (!superContext)
return null;
var res = superContext[key];
if (arguments.length > 1) {
if (typeof(res) != 'function')
throw new ReferenceError(key + ' is not a function in base class');
if (typeof(callArgs) != 'object')
callArgs = this.varargs(arguments, 1);
res = res.apply(this, callArgs);
}
superContext = null;
return res;
},
toString: function() {
var s = '[' + this.constructor.displayName + ']', f = true;
for (var k in this) {
if (this.hasOwnProperty(k)) {
s += (f ? ' {\n' : '') + ' ' + k + ': ' + typeof(this[k]) + '\n';
f = false;
}
}
return s + (f ? '' : '}');
}
}
});
/*
* HTTP Request helper
*/
var Headers = Class.extend({
__name__: 'LuCI.XHR.Headers',
__init__: function(xhr) {
var hdrs = this.headers = {};
xhr.getAllResponseHeaders().split(/\r\n/).forEach(function(line) {
var m = /^([^:]+):(.*)$/.exec(line);
if (m != null)
hdrs[m[1].trim().toLowerCase()] = m[2].trim();
});
},
has: function(name) {
return this.headers.hasOwnProperty(String(name).toLowerCase());
},
get: function(name) {
var key = String(name).toLowerCase();
return this.headers.hasOwnProperty(key) ? this.headers[key] : null;
}
});
var Response = Class.extend({
__name__: 'LuCI.XHR.Response',
__init__: function(xhr, url, duration, headers, content) {
this.ok = (xhr.status >= 200 && xhr.status <= 299);
this.status = xhr.status;
this.statusText = xhr.statusText;
this.headers = (headers != null) ? headers : new Headers(xhr);
this.duration = duration;
this.url = url;
this.xhr = xhr;
if (content != null && typeof(content) == 'object') {
this.responseJSON = content;
this.responseText = null;
}
else if (content != null) {
this.responseJSON = null;
this.responseText = String(content);
}
else {
this.responseJSON = null;
this.responseText = xhr.responseText;
}
},
clone: function(content) {
var copy = new Response(this.xhr, this.url, this.duration, this.headers, content);
copy.ok = this.ok;
copy.status = this.status;
copy.statusText = this.statusText;
return copy;
},
json: function() {
if (this.responseJSON == null)
this.responseJSON = JSON.parse(this.responseText);
return this.responseJSON;
},
text: function() {
if (this.responseText == null && this.responseJSON != null)
this.responseText = JSON.stringify(this.responseJSON);
return this.responseText;
}
});
var requestQueue = [];
function isQueueableRequest(opt) {
if (!classes.rpc)
return false;
if (opt.method != 'POST' || typeof(opt.content) != 'object')
return false;
if (opt.nobatch === true)
return false;
var rpcBaseURL = Request.expandURL(classes.rpc.getBaseURL());
return (rpcBaseURL != null && opt.url.indexOf(rpcBaseURL) == 0);
}
function flushRequestQueue() {
if (!requestQueue.length)
return;
var reqopt = Object.assign({}, requestQueue[0][0], { content: [], nobatch: true }),
batch = [];
for (var i = 0; i < requestQueue.length; i++) {
batch[i] = requestQueue[i];
reqopt.content[i] = batch[i][0].content;
}
requestQueue.length = 0;
Request.request(rpcBaseURL, reqopt).then(function(reply) {
var json = null, req = null;
try { json = reply.json() }
catch(e) { }
while ((req = batch.shift()) != null)
if (Array.isArray(json) && json.length)
req[2].call(reqopt, reply.clone(json.shift()));
else
req[1].call(reqopt, new Error('No related RPC reply'));
}).catch(function(error) {
var req = null;
while ((req = batch.shift()) != null)
req[1].call(reqopt, error);
});
}
var Request = Class.singleton({
__name__: 'LuCI.Request',
interceptors: [],
expandURL: function(url) {
if (!/^(?:[^/]+:)?\/\//.test(url))
url = location.protocol + '//' + location.host + url;
return url;
},
request: function(target, options) {
var state = { xhr: new XMLHttpRequest(), url: this.expandURL(target), start: Date.now() },
opt = Object.assign({}, options, state),
content = null,
contenttype = null,
callback = this.handleReadyStateChange;
return new Promise(function(resolveFn, rejectFn) {
opt.xhr.onreadystatechange = callback.bind(opt, resolveFn, rejectFn);
opt.method = String(opt.method || 'GET').toUpperCase();
if ('query' in opt) {
var q = (opt.query != null) ? Object.keys(opt.query).map(function(k) {
if (opt.query[k] != null) {
var v = (typeof(opt.query[k]) == 'object')
? JSON.stringify(opt.query[k])
: String(opt.query[k]);
return '%s=%s'.format(encodeURIComponent(k), encodeURIComponent(v));
}
else {
return encodeURIComponent(k);
}
}).join('&') : '';
if (q !== '') {
switch (opt.method) {
case 'GET':
case 'HEAD':
case 'OPTIONS':
opt.url += ((/\?/).test(opt.url) ? '&' : '?') + q;
break;
default:
if (content == null) {
content = q;
contenttype = 'application/x-www-form-urlencoded';
}
}
}
}
if (!opt.cache)
opt.url += ((/\?/).test(opt.url) ? '&' : '?') + (new Date()).getTime();
if (isQueueableRequest(opt)) {
requestQueue.push([opt, rejectFn, resolveFn]);
requestAnimationFrame(flushRequestQueue);
return;
}
if ('username' in opt && 'password' in opt)
opt.xhr.open(opt.method, opt.url, true, opt.username, opt.password);
else
opt.xhr.open(opt.method, opt.url, true);
opt.xhr.responseType = 'text';
if ('overrideMimeType' in opt.xhr)
opt.xhr.overrideMimeType('application/octet-stream');
if ('timeout' in opt)
opt.xhr.timeout = +opt.timeout;
if ('credentials' in opt)
opt.xhr.withCredentials = !!opt.credentials;
if (opt.content != null) {
switch (typeof(opt.content)) {
case 'function':
content = opt.content(xhr);
break;
case 'object':
content = JSON.stringify(opt.content);
contenttype = 'application/json';
break;
default:
content = String(opt.content);
}
}
if ('headers' in opt)
for (var header in opt.headers)
if (opt.headers.hasOwnProperty(header)) {
if (header.toLowerCase() != 'content-type')
opt.xhr.setRequestHeader(header, opt.headers[header]);
else
contenttype = opt.headers[header];
}
if (contenttype != null)
opt.xhr.setRequestHeader('Content-Type', contenttype);
try {
opt.xhr.send(content);
}
catch (e) {
rejectFn.call(opt, e);
}
});
},
handleReadyStateChange: function(resolveFn, rejectFn, ev) {
var xhr = this.xhr;
if (xhr.readyState !== 4)
return;
if (xhr.status === 0 && xhr.statusText === '') {
rejectFn.call(this, new Error('XHR request aborted by browser'));
}
else {
var response = new Response(
xhr, xhr.responseURL || this.url, Date.now() - this.start);
Promise.all(Request.interceptors.map(function(fn) { return fn(response) }))
.then(resolveFn.bind(this, response))
.catch(rejectFn.bind(this));
}
},
get: function(url, options) {
return this.request(url, Object.assign({ method: 'GET' }, options));
},
post: function(url, data, options) {
return this.request(url, Object.assign({ method: 'POST', content: data }, options));
},
addInterceptor: function(interceptorFn) {
if (typeof(interceptorFn) == 'function')
this.interceptors.push(interceptorFn);
return interceptorFn;
},
removeInterceptor: function(interceptorFn) {
var oldlen = this.interceptors.length, i = oldlen;
while (i--)
if (this.interceptors[i] === interceptorFn)
this.interceptors.splice(i, 1);
return (this.interceptors.length < oldlen);
},
poll: {
add: function(interval, url, options, callback) {
if (isNaN(interval) || interval <= 0)
throw new TypeError('Invalid poll interval');
var ival = interval >>> 0,
opts = Object.assign({}, options, { timeout: ival * 1000 - 5 });
return Poll.add(function() {
return Request.request(url, options).then(function(res) {
if (!Poll.active())
return;
try {
callback(res, res.json(), res.duration);
}
catch (err) {
callback(res, null, res.duration);
}
});
}, ival);
},
remove: function(entry) { return Poll.remove(entry) },
start: function() { return Poll.start() },
stop: function() { return Poll.stop() },
active: function() { return Poll.active() }
}
});
var Poll = Class.singleton({
__name__: 'LuCI.Poll',
queue: [],
add: function(fn, interval) {
if (interval == null || interval <= 0)
interval = window.L ? window.L.env.pollinterval : null;
if (isNaN(interval) || typeof(fn) != 'function')
throw new TypeError('Invalid argument to LuCI.Poll.add()');
for (var i = 0; i < this.queue.length; i++)
if (this.queue[i].fn === fn)
return false;
var e = {
r: true,
i: interval >>> 0,
fn: fn
};
this.queue.push(e);
if (this.tick != null && !this.active())
this.start();
return true;
},
remove: function(entry) {
if (typeof(fn) != 'function')
throw new TypeError('Invalid argument to LuCI.Poll.remove()');
var len = this.queue.length;
for (var i = len; i > 0; i--)
if (this.queue[i-1].fn === fn)
this.queue.splice(i-1, 1);
if (!this.queue.length && this.stop())
this.tick = 0;
return (this.queue.length != len);
},
start: function() {
if (this.active())
return false;
this.tick = 0;
if (this.queue.length) {
this.timer = window.setInterval(this.step, 1000);
this.step();
document.dispatchEvent(new CustomEvent('poll-start'));
}
return true;
},
stop: function() {
if (!this.active())
return false;
document.dispatchEvent(new CustomEvent('poll-stop'));
window.clearInterval(this.timer);
delete this.timer;
delete this.tick;
return true;
},
step: function() {
for (var i = 0, e = null; (e = Poll.queue[i]) != null; i++) {
if ((Poll.tick % e.i) != 0)
continue;
if (!e.r)
continue;
e.r = false;
Promise.resolve(e.fn()).finally((function() { this.r = true }).bind(e));
}
Poll.tick = (Poll.tick + 1) % Math.pow(2, 32);
},
active: function() {
return (this.timer != null);
}
});
var dummyElem = null,
domParser = null,
originalCBIInit = null,
rpcBaseURL = null,
sysFeatures = null,
classes = {};
var LuCI = Class.extend({
__name__: 'LuCI',
__init__: function(env) {
document.querySelectorAll('script[src*="/luci.js"]').forEach(function(s) {
if (env.base_url == null || env.base_url == '')
env.base_url = s.getAttribute('src').replace(/\/luci\.js(?:\?v=[^?]+)?$/, '');
});
if (env.base_url == null)
this.error('InternalError', 'Cannot find url of luci.js');
Object.assign(this.env, env);
document.addEventListener('poll-start', function(ev) {
document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
e.style.display = (e.id == 'xhr_poll_status_off') ? 'none' : '';
});
});
document.addEventListener('poll-stop', function(ev) {
document.querySelectorAll('[id^="xhr_poll_status"]').forEach(function(e) {
e.style.display = (e.id == 'xhr_poll_status_on') ? 'none' : '';
});
});
var domReady = new Promise(function(resolveFn, rejectFn) {
document.addEventListener('DOMContentLoaded', resolveFn);
});
Promise.all([
domReady,
this.require('ui'),
this.require('rpc'),
this.require('form'),
this.probeRPCBaseURL()
]).then(this.setupDOM.bind(this)).catch(this.error);
originalCBIInit = window.cbi_init;
window.cbi_init = function() {};
},
raise: function(type, fmt /*, ...*/) {
var e = null,
msg = fmt ? String.prototype.format.apply(fmt, this.varargs(arguments, 2)) : null,
stack = null;
if (type instanceof Error) {
e = type;
stack = (e.stack || '').split(/\n/);
if (msg)
e.message = msg + ': ' + e.message;
}
else {
e = new (window[type || 'Error'] || Error)(msg || 'Unspecified error');
e.name = type || 'Error';
}
if (window.console && console.debug)
console.debug(e);
throw e;
},
error: function(type, fmt /*, ...*/) {
try {
L.raise.apply(L, Array.prototype.slice.call(arguments));
}
catch (e) {
var stack = (e.stack || '').split(/\n/).map(function(frame) {
frame = frame.replace(/(.*?)@(.+):(\d+):(\d+)/g, 'at $1 ($2:$3:$4)').trim();
return frame ? ' ' + frame : '';
});
if (!/^ at /.test(stack[0]))
stack.shift();
if (/\braise /.test(stack[0]))
stack.shift();
if (/\berror /.test(stack[0]))
stack.shift();
stack = stack.length ? '\n' + stack.join('\n') : '';
if (L.ui)
L.ui.showModal(e.name || _('Runtime error'),
E('pre', { 'class': 'alert-message error' }, e.message + stack));
else
L.dom.content(document.querySelector('#maincontent'),
E('pre', { 'class': 'alert-message error' }, e + stack));
throw e;
}
},
bind: function(fn, self /*, ... */) {
return Function.prototype.bind.apply(fn, this.varargs(arguments, 2, self));
},
/* Class require */
require: function(name, from) {
var L = this, url = null, from = from || [];
/* Class already loaded */
if (classes[name] != null) {
/* Circular dependency */
if (from.indexOf(name) != -1)
L.raise('DependencyError',
'Circular dependency: class "%s" depends on "%s"',
name, from.join('" which depends on "'));
return classes[name];
}
url = '%s/%s.js'.format(L.env.base_url, name.replace(/\./g, '/'));
from = [ name ].concat(from);
var compileClass = function(res) {
if (!res.ok)
L.raise('NetworkError',
'HTTP error %d while loading class file "%s"', res.status, url);
var source = res.text(),
requirematch = /^require[ \t]+(\S+)(?:[ \t]+as[ \t]+([a-zA-Z_]\S*))?$/,
strictmatch = /^use[ \t]+strict$/,
depends = [],
args = '';
/* find require statements in source */
for (var i = 0, off = -1, quote = -1, esc = false; i < source.length; i++) {
var chr = source.charCodeAt(i);
if (esc) {
esc = false;
}
else if (chr == 92) {
esc = true;
}
else if (chr == quote) {
var s = source.substring(off, i),
m = requirematch.exec(s);
if (m) {
var dep = m[1], as = m[2] || dep.replace(/[^a-zA-Z0-9_]/g, '_');
depends.push(L.require(dep, from));
args += ', ' + as;
}
else if (!strictmatch.exec(s)) {
break;
}
off = -1;
quote = -1;
}
else if (quote == -1 && (chr == 34 || chr == 39)) {
off = i + 1;
quote = chr;
}
}
/* load dependencies and instantiate class */
return Promise.all(depends).then(function(instances) {
var _factory, _class;
try {
_factory = eval(
'(function(window, document, L%s) { %s })\n\n//# sourceURL=%s\n'
.format(args, source, res.url));
}
catch (error) {
L.raise('SyntaxError', '%s\n in %s:%s',
error.message, res.url, error.lineNumber || '?');
}
_factory.displayName = toCamelCase(name + 'ClassFactory');
_class = _factory.apply(_factory, [window, document, L].concat(instances));
if (!Class.isSubclass(_class))
L.error('TypeError', '"%s" factory yields invalid constructor', name);
if (_class.displayName == 'AnonymousClass')
_class.displayName = toCamelCase(name + 'Class');
var ptr = Object.getPrototypeOf(L),
parts = name.split(/\./),
instance = new _class();
for (var i = 0; ptr && i < parts.length - 1; i++)
ptr = ptr[parts[i]];
if (ptr)
ptr[parts[i]] = instance;
classes[name] = instance;
return instance;
});
};
/* Request class file */
classes[name] = Request.get(url, { cache: true }).then(compileClass);
return classes[name];
},
/* DOM setup */
probeRPCBaseURL: function() {
if (rpcBaseURL == null) {
try {
rpcBaseURL = window.sessionStorage.getItem('rpcBaseURL');
}
catch (e) { }
}
if (rpcBaseURL == null) {
var rpcFallbackURL = this.url('admin/ubus');
rpcBaseURL = Request.get('/ubus/').then(function(res) {
return (rpcBaseURL = (res.status == 400) ? '/ubus/' : rpcFallbackURL);
}, function() {
return (rpcBaseURL = rpcFallbackURL);
}).then(function(url) {
try {
window.sessionStorage.setItem('rpcBaseURL', url);
}
catch (e) { }
return url;
});
}
return Promise.resolve(rpcBaseURL);
},
probeSystemFeatures: function() {
if (sysFeatures == null) {
try {
sysFeatures = JSON.parse(window.sessionStorage.getItem('sysFeatures'));
}
catch (e) {}
}
if (!this.isObject(sysFeatures)) {
sysFeatures = classes.rpc.declare({
object: 'luci',
method: 'getFeatures',
expect: { '': {} }
})().then(function(features) {
try {
window.sessionStorage.setItem('sysFeatures', JSON.stringify(features));
}
catch (e) {}
sysFeatures = features;
return features;
});
}
return Promise.resolve(sysFeatures);
},
hasSystemFeature: function() {
var ft = sysFeatures[arguments[0]];
if (arguments.length == 2)
return this.isObject(ft) ? ft[arguments[1]] : null;
return (ft != null && ft != false);
},
setupDOM: function(res) {
var domEv = res[0],
uiClass = res[1],
rpcClass = res[2],
formClass = res[3],
rpcBaseURL = res[4];
rpcClass.setBaseURL(rpcBaseURL);
Request.addInterceptor(function(res) {
if (res.status != 403 || res.headers.get('X-LuCI-Login-Required') != 'yes')
return;
Poll.stop();
L.ui.showModal(_('Session expired'), [
E('div', { class: 'alert-message warning' },
_('A new login is required since the authentication session expired.')),
E('div', { class: 'right' },
E('div', {
class: 'btn primary',
click: function() {
var loc = window.location;
window.location = loc.protocol + '//' + loc.host + loc.pathname + loc.search;
}
}, _('To login…')))
]);
throw 'Session expired';
});
return this.probeSystemFeatures().finally(this.initDOM);
},
initDOM: function() {
originalCBIInit();
Poll.start();
document.dispatchEvent(new CustomEvent('luci-loaded'));
},
env: {},
/* URL construction helpers */
path: function(prefix, parts) {
var url = [ prefix || '' ];
for (var i = 0; i < parts.length; i++)
if (/^(?:[a-zA-Z0-9_.%,;-]+\/)*[a-zA-Z0-9_.%,;-]+$/.test(parts[i]))
url.push('/', parts[i]);
if (url.length === 1)
url.push('/');
return url.join('');
},
url: function() {
return this.path(this.env.scriptname, arguments);
},
resource: function() {
return this.path(this.env.resource, arguments);
},
location: function() {
return this.path(this.env.scriptname, this.env.requestpath);
},
/* Data helpers */
isObject: function(val) {
return (val != null && typeof(val) == 'object');
},
sortedKeys: function(obj, key, sortmode) {
if (obj == null || typeof(obj) != 'object')
return [];
return Object.keys(obj).map(function(e) {
var v = (key != null) ? obj[e][key] : e;
switch (sortmode) {
case 'addr':
v = (v != null) ? v.replace(/(?:^|[.:])([0-9a-fA-F]{1,4})/g,
function(m0, m1) { return ('000' + m1.toLowerCase()).substr(-4) }) : null;
break;
case 'num':
v = (v != null) ? +v : null;
break;
}
return [ e, v ];
}).filter(function(e) {
return (e[1] != null);
}).sort(function(a, b) {
return (a[1] > b[1]);
}).map(function(e) {
return e[0];
});
},
toArray: function(val) {
if (val == null)
return [];
else if (Array.isArray(val))
return val;
else if (typeof(val) == 'object')
return [ val ];
var s = String(val).trim();
if (s == '')
return [];
return s.split(/\s+/);
},
/* HTTP resource fetching */
get: function(url, args, cb) {
return this.poll(null, url, args, cb, false);
},
post: function(url, args, cb) {
return this.poll(null, url, args, cb, true);
},
poll: function(interval, url, args, cb, post) {
if (interval !== null && interval <= 0)
interval = this.env.pollinterval;
var data = post ? { token: this.env.token } : null,
method = post ? 'POST' : 'GET';
if (!/^(?:\/|\S+:\/\/)/.test(url))
url = this.url(url);
if (args != null)
data = Object.assign(data || {}, args);
if (interval !== null)
return Request.poll.add(interval, url, { method: method, query: data }, cb);
else
return Request.request(url, { method: method, query: data })
.then(function(res) {
var json = null;
if (/^application\/json\b/.test(res.headers.get('Content-Type')))
try { json = res.json() } catch(e) {}
cb(res.xhr, json, res.duration);
});
},
stop: function(entry) { return Poll.remove(entry) },
halt: function() { return Poll.stop() },
run: function() { return Poll.start() },
/* DOM manipulation */
dom: Class.singleton({
__name__: 'LuCI.DOM',
elem: function(e) {
return (e != null && typeof(e) == 'object' && 'nodeType' in e);
},
parse: function(s) {
var elem;
try {
domParser = domParser || new DOMParser();
elem = domParser.parseFromString(s, 'text/html').body.firstChild;
}
catch(e) {}
if (!elem) {
try {
dummyElem = dummyElem || document.createElement('div');
dummyElem.innerHTML = s;
elem = dummyElem.firstChild;
}
catch (e) {}
}
return elem || null;
},
matches: function(node, selector) {
var m = this.elem(node) ? node.matches || node.msMatchesSelector : null;
return m ? m.call(node, selector) : false;
},
parent: function(node, selector) {
if (this.elem(node) && node.closest)
return node.closest(selector);
while (this.elem(node))
if (this.matches(node, selector))
return node;
else
node = node.parentNode;
return null;
},
append: function(node, children) {
if (!this.elem(node))
return null;
if (Array.isArray(children)) {
for (var i = 0; i < children.length; i++)
if (this.elem(children[i]))
node.appendChild(children[i]);
else if (children !== null && children !== undefined)
node.appendChild(document.createTextNode('' + children[i]));
return node.lastChild;
}
else if (typeof(children) === 'function') {
return this.append(node, children(node));
}
else if (this.elem(children)) {
return node.appendChild(children);
}
else if (children !== null && children !== undefined) {
node.innerHTML = '' + children;
return node.lastChild;
}
return null;
},
content: function(node, children) {
if (!this.elem(node))
return null;
var dataNodes = node.querySelectorAll('[data-idref]');
for (var i = 0; i < dataNodes.length; i++)
delete this.registry[dataNodes[i].getAttribute('data-idref')];
while (node.firstChild)
node.removeChild(node.firstChild);
return this.append(node, children);
},
attr: function(node, key, val) {
if (!this.elem(node))
return null;
var attr = null;
if (typeof(key) === 'object' && key !== null)
attr = key;
else if (typeof(key) === 'string')
attr = {}, attr[key] = val;
for (key in attr) {
if (!attr.hasOwnProperty(key) || attr[key] == null)
continue;
switch (typeof(attr[key])) {
case 'function':
node.addEventListener(key, attr[key]);
break;
case 'object':
node.setAttribute(key, JSON.stringify(attr[key]));
break;
default:
node.setAttribute(key, attr[key]);
}
}
},
create: function() {
var html = arguments[0],
attr = arguments[1],
data = arguments[2],
elem;
if (!(attr instanceof Object) || Array.isArray(attr))
data = attr, attr = null;
if (Array.isArray(html)) {
elem = document.createDocumentFragment();
for (var i = 0; i < html.length; i++)
elem.appendChild(this.create(html[i]));
}
else if (this.elem(html)) {
elem = html;
}
else if (html.charCodeAt(0) === 60) {
elem = this.parse(html);
}
else {
elem = document.createElement(html);
}
if (!elem)
return null;
this.attr(elem, attr);
this.append(elem, data);
return elem;
},
registry: {},
data: function(node, key, val) {
var id = node.getAttribute('data-idref');
/* clear all data */
if (arguments.length > 1 && key == null) {
if (id != null) {
node.removeAttribute('data-idref');
val = this.registry[id]
delete this.registry[id];
return val;
}
return null;
}
/* clear a key */
else if (arguments.length > 2 && key != null && val == null) {
if (id != null) {
val = this.registry[id][key];
delete this.registry[id][key];
return val;
}
return null;
}
/* set a key */
else if (arguments.length > 2 && key != null && val != null) {
if (id == null) {
do { id = Math.floor(Math.random() * 0xffffffff).toString(16) }
while (this.registry.hasOwnProperty(id));
node.setAttribute('data-idref', id);
this.registry[id] = {};
}
return (this.registry[id][key] = val);
}
/* get all data */
else if (arguments.length == 1) {
if (id != null)
return this.registry[id];
return null;
}
/* get a key */
else if (arguments.length == 2) {
if (id != null)
return this.registry[id][key];
}
return null;
},
bindClassInstance: function(node, inst) {
if (!(inst instanceof Class))
L.error('TypeError', 'Argument must be a class instance');
return this.data(node, '_class', inst);
},
findClassInstance: function(node) {
var inst = null;
do {
inst = this.data(node, '_class');
node = node.parentNode;
}
while (!(inst instanceof Class) && node != null);
return inst;
},
callClassMethod: function(node, method /*, ... */) {
var inst = this.findClassInstance(node);
if (inst == null || typeof(inst[method]) != 'function')
return null;
return inst[method].apply(inst, inst.varargs(arguments, 2));
},
isEmpty: function(node) {
for (var child = node.firstElementChild; child != null; child = child.nextElementSibling)
if (!child.classList.contains('hidden'))
return false;
return true;
}
}),
Poll: Poll,
Class: Class,
Request: Request,
view: Class.extend({
__name__: 'LuCI.View',
__init__: function() {
var vp = document.getElementById('view');
L.dom.content(vp, E('div', { 'class': 'spinning' }, _('Loading view…')));
return Promise.resolve(this.load())
.then(L.bind(this.render, this))
.then(L.bind(function(nodes) {
var vp = document.getElementById('view');
L.dom.content(vp, nodes);
L.dom.append(vp, this.addFooter());
}, this)).catch(L.error);
},
load: function() {},
render: function() {},
handleSave: function(ev) {
var tasks = [];
document.getElementById('maincontent')
.querySelectorAll('.cbi-map').forEach(function(map) {
tasks.push(L.dom.callClassMethod(map, 'save'));
});
return Promise.all(tasks);
},
handleSaveApply: function(ev) {
return this.handleSave(ev).then(function() {
L.ui.changes.apply(true);
});
},
handleReset: function(ev) {
var tasks = [];
document.getElementById('maincontent')
.querySelectorAll('.cbi-map').forEach(function(map) {
tasks.push(L.dom.callClassMethod(map, 'reset'));
});
return Promise.all(tasks);
},
addFooter: function() {
var footer = E([]),
mc = document.getElementById('maincontent');
if (mc.querySelector('.cbi-map')) {
footer.appendChild(E('div', { 'class': 'cbi-page-actions' }, [
E('input', {
'class': 'cbi-button cbi-button-apply',
'type': 'button',
'value': _('Save & Apply'),
'click': L.bind(this.handleSaveApply, this)
}), ' ',
E('input', {
'class': 'cbi-button cbi-button-save',
'type': 'submit',
'value': _('Save'),
'click': L.bind(this.handleSave, this)
}), ' ',
E('input', {
'class': 'cbi-button cbi-button-reset',
'type': 'button',
'value': _('Reset'),
'click': L.bind(this.handleReset, this)
})
]));
}
return footer;
}
})
});
var XHR = Class.extend({
__name__: 'LuCI.XHR',
__init__: function() {
if (window.console && console.debug)
console.debug('Direct use XHR() is deprecated, please use L.Request instead');
},
_response: function(cb, res, json, duration) {
if (this.active)
cb(res, json, duration);
delete this.active;
},
get: function(url, data, callback, timeout) {
this.active = true;
L.get(url, data, this._response.bind(this, callback), timeout);
},
post: function(url, data, callback, timeout) {
this.active = true;
L.post(url, data, this._response.bind(this, callback), timeout);
},
cancel: function() { delete this.active },
busy: function() { return (this.active === true) },
abort: function() {},
send_form: function() { L.error('InternalError', 'Not implemented') },
});
XHR.get = function() { return window.L.get.apply(window.L, arguments) };
XHR.post = function() { return window.L.post.apply(window.L, arguments) };
XHR.poll = function() { return window.L.poll.apply(window.L, arguments) };
XHR.stop = Request.poll.remove.bind(Request.poll);
XHR.halt = Request.poll.stop.bind(Request.poll);
XHR.run = Request.poll.start.bind(Request.poll);
XHR.running = Request.poll.active.bind(Request.poll);
window.XHR = XHR;
window.LuCI = LuCI;
})(window, document);