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// local storage options
NETDATA.localStorage = {
default: {},
current: {},
callback: {} // only used for resetting back to defaults
};
NETDATA.localStorageTested = -1;
NETDATA.localStorageTest = function () {
if (NETDATA.localStorageTested !== -1) {
return NETDATA.localStorageTested;
}
if (typeof Storage !== "undefined" && typeof localStorage === 'object') {
let test = 'test';
try {
localStorage.setItem(test, test);
localStorage.removeItem(test);
NETDATA.localStorageTested = true;
} catch (e) {
NETDATA.localStorageTested = false;
}
} else {
NETDATA.localStorageTested = false;
}
return NETDATA.localStorageTested;
};
NETDATA.localStorageGet = function (key, def, callback) {
let ret = def;
if (typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
NETDATA.localStorage.default[key.toString()] = def;
NETDATA.localStorage.callback[key.toString()] = callback;
}
if (NETDATA.localStorageTest()) {
try {
// console.log('localStorage: loading "' + key.toString() + '"');
ret = localStorage.getItem(key.toString());
// console.log('netdata loaded: ' + key.toString() + ' = ' + ret.toString());
if (ret === null || ret === 'undefined') {
// console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"');
localStorage.setItem(key.toString(), JSON.stringify(def));
ret = def;
} else {
// console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"');
ret = JSON.parse(ret);
// console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
}
} catch (error) {
console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"');
ret = def;
}
}
if (typeof ret === 'undefined' || ret === 'undefined') {
console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
ret = def;
}
NETDATA.localStorage.current[key.toString()] = ret;
return ret;
};
NETDATA.localStorageSet = function (key, value, callback) {
if (typeof value === 'undefined' || value === 'undefined') {
console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value));
}
if (typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
NETDATA.localStorage.default[key.toString()] = value;
NETDATA.localStorage.current[key.toString()] = value;
NETDATA.localStorage.callback[key.toString()] = callback;
}
if (NETDATA.localStorageTest()) {
// console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"');
try {
localStorage.setItem(key.toString(), JSON.stringify(value));
} catch (e) {
console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"');
}
}
NETDATA.localStorage.current[key.toString()] = value;
return value;
};
NETDATA.localStorageGetRecursive = function (obj, prefix, callback) {
let keys = Object.keys(obj);
let len = keys.length;
while (len--) {
let i = keys[len];
if (typeof obj[i] === 'object') {
//console.log('object ' + prefix + '.' + i.toString());
NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback);
continue;
}
obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback);
}
};
NETDATA.setOption = function (key, value) {
if (key.toString() === 'setOptionCallback') {
if (typeof NETDATA.options.current.setOptionCallback === 'function') {
NETDATA.options.current[key.toString()] = value;
NETDATA.options.current.setOptionCallback();
}
} else if (NETDATA.options.current[key.toString()] !== value) {
let name = 'options.' + key.toString();
if (typeof NETDATA.localStorage.default[name.toString()] === 'undefined') {
console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value);
}
//console.log(NETDATA.localStorage);
//console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()]));
//console.log(NETDATA.options);
NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null);
if (typeof NETDATA.options.current.setOptionCallback === 'function') {
NETDATA.options.current.setOptionCallback();
}
}
return true;
};
NETDATA.getOption = function (key) {
return NETDATA.options.current[key.toString()];
};
// read settings from local storage
NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null);
// always start with this option enabled.
NETDATA.setOption('stop_updates_when_focus_is_lost', true);
NETDATA.resetOptions = function () {
let keys = Object.keys(NETDATA.localStorage.default);
let len = keys.length;
while (len--) {
let i = keys[len];
let a = i.split('.');
if (a[0] === 'options') {
if (a[1] === 'setOptionCallback') {
continue;
}
if (typeof NETDATA.localStorage.default[i] === 'undefined') {
continue;
}
if (NETDATA.options.current[i] === NETDATA.localStorage.default[i]) {
continue;
}
NETDATA.setOption(a[1], NETDATA.localStorage.default[i]);
} else if (a[0] === 'chart_heights') {
if (typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') {
NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]);
}
}
}
NETDATA.dateTime.init(NETDATA.options.current.timezone);
};
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