Files
espurna/code/html/src/settings.mjs
Maxim Prokhorov 7260ec833a all: fix typos, spelling, phrasing
resolve #2645 w/ some extra corrections
2025-06-03 21:25:44 +03:00

1553 lines
40 KiB
JavaScript

import {
capitalize,
pageReloadIn,
showPanelByName,
stringToBoolean,
} from './core.mjs';
import {
send,
sendAction,
listenAppConnected,
} from './connection.mjs';
import { validateFormsReportValidity, validateFormsPasswords, resetCustomValidity } from './validate.mjs';
import { notifyError } from './notify.mjs';
import {
countChangedElements,
isChangedElement,
isGroupElement,
isIgnoredElement,
setChangedElement,
resetChangedElement,
resetSettingsGroup,
} from './settings/utils.mjs';
/**
* generic value type to set to or get from an element. usually an editable type, like input or select
* @typedef { string | number | boolean | null } ElementValue
*/
/**
* generic value to be set to an element. usually cannot be edited after setting, expected to be updated from the device side
* @typedef { ElementValue | ElementValue[] } DisplayValue
*/
/**
* @typedef { HTMLInputElement | HTMLSelectElement } InputOrSelect
*/
/**
* @typedef {{element: InputOrSelect, key: string, value: ElementValue}} GroupElementInfo
*/
// Right now, group additions happen from:
// - WebSocket, likely to happen exactly once per connection through processData handler(s). Specific keys trigger functions that append into the container element.
// - User input. Same functions are triggered, but with an additional event for the container element that causes most recent element to be marked as changed.
// Removal only happens from user input by triggering 'settings-group-del' from the target element.
/**
* @param {Element} target
* @returns {GroupElementInfo[]}
*/
function groupElementInfo(target) {
/** @type {GroupElementInfo[]} */
const out = [];
findInputOrSelect(target).forEach((elem) => {
const name = elem.dataset.settingsRealName || elem.name;
if (name === undefined) {
return;
}
const value = getOriginalForElement(elem) ?? getDataForElement(elem);
if (null === value) {
return;
}
out.push({
element: elem,
key: name,
value: value,
});
});
return out;
}
/**
* @param {HTMLElement} elem
* @param {string[]} pending
*/
function setGroupPending(elem, pending) {
elem.dataset["settingsGroupPending"] =
([...new Set(pending)]).join(" ");
}
/**
* @param {HTMLElement} elem
* @returns {string[]}
*/
function getGroupPending(elem) {
const raw = elem.dataset["settingsGroupPending"] || "";
if (!raw.length) {
return [];
}
return raw.split(" ");
}
/**
* @param {HTMLElement} group
*/
export function groupSettingsAdd(group) {
const index = group.children.length - 1;
const last = group.children[index];
const before = countChangedElements(group);
const pending = getGroupPending(group);
pending.push(`set:${index}`);
setGroupPending(group, pending);
let once = true;
for (let elem of findInputOrSelect(last)) {
if (once && elem.required) {
elem.focus();
elem.reportValidity();
once = false;
}
if (elem.required
&& elem.checkValidity()
&& (getDataForElement(elem) !== null))
{
setChangedElement(elem);
}
}
Settings.countFor(
countChangedElements(group) - before);
Settings.stylizeSave();
}
/**
* to 'instantiate' a new element, we must explicitly set 'target' keys in kvs
* notice that the 'row' creation *should* be handled by the group-specific
* event listener, we already expect the dom element to exist at this point
* @param {Event} event
*/
function onGroupSettingsEventAdd(event) {
const group = event.target;
if (!(group instanceof HTMLElement)) {
return;
}
groupSettingsAdd(group);
}
/**
* @param {HTMLElement} group
*/
function delGroupPending(group) {
const top = group.childElementCount - 1;
if (top < 0) {
return;
}
let pending = getGroupPending(group);
const set = pending.indexOf(`set:${top}`);
if (set >= 0) {
pending.splice(set, 1);
} else {
pending.push(`del:${top}`);
}
setGroupPending(group, pending);
}
// TODO: 'current' state is maintaned through element data. track it externally?
/**
* @param {HTMLElement} group
* @param {HTMLElement} target
*/
export function groupSettingsDel(group, target) {
const elems = Array.from(group.children);
const shiftFrom = elems.indexOf(target);
const before = countChangedElements(group);
const info = elems.map(groupElementInfo);
for (let index = -1; index < info.length; ++index) {
const prev = (index > 0)
? info[index - 1]
: null;
const current = info[index];
if ((index > shiftFrom) && prev && (prev.length === current.length)) {
for (let inner = 0; inner < prev.length; ++inner) {
const [lhs, rhs] = [prev[inner], current[inner]];
if (lhs.value !== rhs.value) {
setChangedElement(rhs.element);
}
}
}
}
delGroupPending(group);
target.remove();
Settings.countFor(
countChangedElements(group) - before);
Settings.stylizeSave();
}
/**
* removing the element means we need to notify the kvs about the updated keys
* in case it's the last row, just remove those keys from the store
* in case we are in the middle, make sure to handle difference update
* in case change was 'ephemeral' (i.e. from the previous add that was not saved), do nothing
* @param {Event} event
*/
function onGroupSettingsEventDel(event) {
event.preventDefault();
event.stopImmediatePropagation();
const target = event.target;
if (!(target instanceof HTMLElement)) {
return;
}
const group = event.currentTarget;
if (!(group instanceof HTMLElement)) {
return;
}
groupSettingsDel(group, target);
}
// 'settings-group' contain elements that represent kv list that is suffixed with an index in raw kvs
// 'button-add-settings-group' will trigger update on the specified 'data-settings-group' element id, which
// needs to have 'settings-group-add' event handler attached to it.
/**
* @param {Event} event
* @returns {boolean}
*/
function groupSettingsCheckMax(event) {
const target = event.target;
if (!(target instanceof HTMLElement)) {
return false;
}
const max = target.dataset["settingsMax"];
const val = 1 + target.children.length;
if ((max !== undefined) && (max !== "0") && (parseInt(max, 10) < val)) {
alert(`Max number of ${target.id} has been reached (${val} out of ${max})`);
return false;
}
return true;
}
/**
* @param {HTMLElement} elem
* @param {EventListener} listener
*/
export function groupSettingsOnAddElem(elem, listener) {
elem.addEventListener("settings-group-add",
(event) => {
event.stopPropagation();
if (!groupSettingsCheckMax(event)) {
return;
}
listener(event);
onGroupSettingsEventAdd(event);
});
}
/**
* @param {string} id
* @param {EventListener} listener
*/
export function groupSettingsOnAdd(id, listener) {
const elem = document.getElementById(id);
if (elem) {
groupSettingsOnAddElem(elem, listener);
}
}
/**
* @param {Event} event
*/
export function onGroupSettingsDel(event) {
let target = /** @type {HTMLElement | null} */(event.target);
if (!(target instanceof HTMLElement)) {
return;
}
let parent = target.parentElement;
if (!(parent instanceof HTMLElement)) {
return;
}
while (parent && !parent.classList.contains("settings-group")) {
target = parent;
parent = target.parentElement;
}
target.dispatchEvent(
new CustomEvent("settings-group-del", {bubbles: true}));
}
/**
* handle addition to the group using the 'add' button
* @param {Event} event
*/
function onGroupSettingsAddClick(event) {
const elem = event.target;
if (!(elem instanceof HTMLElement)) {
return;
}
const name = elem.dataset["settingsGroup"];
if (!name) {
return;
}
document.getElementById(name)
?.dispatchEvent(new CustomEvent("settings-group-add"));
}
/**
* @param {HTMLElement} container
* @param {string[]} keys
* @returns {string[]} - key# for each node that needs removal
*/
function groupSettingsCleanup(container, keys) {
/** @type {string[]} */
const out = [];
for (let elem of container.getElementsByClassName("settings-group")) {
if (!(elem instanceof HTMLElement)) {
continue;
}
const schema = elem.dataset["settingsSchemaDel"]
?? elem.dataset["settingsSchema"]
?? "";
if (!schema) {
continue;
}
const prefix = "del:";
getGroupPending(elem)
.filter((x) => x.startsWith(prefix))
.map((x) => x.slice(prefix.length))
.forEach((index) => {
const elem_keys = schema
.split(" ")
.map((x) => `${x}${index}`);
if (!elem_keys.length) {
return;
}
elem_keys.forEach((key) => {
if (!keys.includes(key)) {
out.push(key);
}
});
});
}
return [...new Set(out)];
}
/**
* @param {string | number |boolean} value
* @returns {DataValue}
*/
function maybeAdjustDataValue(value) {
if (typeof value === "boolean") {
return value ? 1 : 0;
}
if (typeof value === "string" && (value.length > 0)) {
const number = Number(value);
if (!Number.isNaN(number)) {
return number;
}
}
if (typeof value === "number" && isNaN(value)) {
return "nan";
}
return value;
}
/**
* besides gathering the data, func is expected to also provide
* - del: 'cleanup' keys, usually from setting groups that marked certain keys for deletion
* - set: kvs only for 'changed' keys, or everything available
* @typedef {{cleanup?: boolean, assumeChanged?: boolean}} GetDataOptions
*/
/**
* kvs for the device settings storage
* @typedef {string | number} DataValue
* @typedef {{[k: string]: DataValue}} SetRequest
*/
/**
* usually, settings request is sent as a single object
* @typedef {{set: SetRequest, del: string[]}} DataRequest
*/
/**
* populates two sets of data, ones that had been changed and ones that stayed the same
* @param {HTMLFormElement[]} forms
* @param {GetDataOptions} options
*/
export function getData(forms, {cleanup = true, assumeChanged = false} = {}) {
/** @type {{[k: string]: DataValue}} */
const data = {};
/** @type {string[]} */
const changed_data = [];
/** @type {{[k: string]: number}} */
const group_counter = {};
/** @type DataRequest */
const out = {
set: {
},
del: [
]
};
// TODO: <input type="radio"> can be found as both individual elements and as a `RadioNodeList` view.
// matching will extract the specific radio element, but will ignore the list b/c it has no tagName
// TODO: actually use type="radio" in the WebUI to check whether this works
for (let form of forms) {
for (let elem of form.elements) {
if (!(elem instanceof HTMLInputElement) && !(elem instanceof HTMLSelectElement)) {
continue;
}
if (isIgnoredElement(elem)) {
continue;
}
if (elem instanceof HTMLInputElement && elem.readOnly) {
continue;
}
const name = elem.dataset["settingsRealName"] || elem.name;
if (!name) {
continue;
}
// explicitly attributed, but *could* be determined implicitly by `form.elements[elem.name]` or `FormData::getAll(elem.name)` returing a list
// - https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/elements
// - https://developer.mozilla.org/en-US/docs/Web/API/FormData/getAll
// ts-lint would trigger false positive, though (at least with current version of lib-dom)
// - https://github.com/microsoft/TypeScript-DOM-lib-generator/issues/1009
const group_element = isGroupElement(elem);
const group_index = group_counter[name] || 0;
const group_name = `${name}${group_index}`;
if (group_element) {
group_counter[name] = group_index + 1;
}
const value = getDataForElement(elem);
if (null !== value) {
const elem_indexed = changed_data.indexOf(name) >= 0;
if ((isChangedElement(elem) || assumeChanged) && !elem_indexed) {
changed_data.push(group_element ? group_name : name);
}
// whenever group is involved, make sure its name is used instead
const data_name = group_element
? group_name : name;
// fixing outgoing data, when it is necessary
data[data_name] = maybeAdjustDataValue(value);
}
}
}
// Finally, filter out only fields that *must* be assigned.
for (const name of Object.keys(data)) {
if (assumeChanged || (changed_data.indexOf(name) >= 0)) {
out.set[name] = data[name];
}
}
// Make sure to remove dynamic group entries from the kvs
// Only group keys can be removed atm, so only process .settings-group
if (cleanup) {
for (let form of forms) {
out.del.push(...groupSettingsCleanup(form, Object.keys(out.set)));
}
}
return out;
}
// TODO: <input type="radio"> is a special beast, since the actual value is one of 'checked' elements with the same name=... attribute.
// Right now, WebUI does not use this kind of input, but in case it does this needs a once-over that the actual input value is picked up correctly through all of changed / original comparisons.
// Not all of available forms are used for settings:
// - terminal input, which is implemented with an input field. it is attributed with `action="none"`, so settings handler never treats it as 'changed'
// - initial setup. it is shown programatically, but is still available from the global list of forms
/**
* @param {InputOrSelect} elem
* @returns {ElementValue}
*/
export function getDataForElement(elem) {
if (elem instanceof HTMLInputElement) {
switch (elem.type) {
case "checkbox":
return elem.checked;
case "radio":
if (elem.checked) {
return elem.value;
}
return null;
case "text":
case "password":
case "hidden":
return elem.value;
case "number":
case "range":
return elem.valueAsNumber;
}
} else if (elem instanceof HTMLSelectElement) {
if (elem.multiple) {
return bitsetForSelectElement(elem);
} else if (elem.selectedIndex >= 0) {
const option = elem.options[elem.selectedIndex];
if (option.disabled) {
return null;
}
return option.value;
}
}
return null;
}
/**
* @param {InputOrSelect} elem
* @returns {ElementValue}
*/
export function getOriginalForElement(elem) {
const original = elem.dataset["original"];
if (elem instanceof HTMLInputElement) {
switch (elem.type) {
case "radio":
case "text":
case "password":
case "hidden":
return original ?? "";
case "checkbox":
return (original !== undefined)
? stringToBoolean(original)
: false;
case "number":
case "range":
return (original !== undefined)
? parseInt(original)
: NaN;
}
} else if (elem instanceof HTMLSelectElement) {
if (original === undefined) {
return "";
} else if (elem.multiple) {
return bitsetFromSelectedValues(original.split(","));
} else {
return original;
}
}
return null;
}
/**
* @param {HTMLSelectElement} select
* @returns {string[]}
*/
function selectedValues(select) {
if (select.multiple) {
return Array.from(select.selectedOptions)
.map(option => option.value);
} else if (select.selectedIndex >= 0) {
return [select.options[select.selectedIndex].value];
}
return [];
}
// When receiving / returning data, <select multiple=true> <option> values are treated as bitset (u32) indexes (i.e. individual bits that are set)
// For example 0b101 is translated to ["0", "2"], or 0b1111 is translated to ["0", "1", "2", "3"]
// Right now only `hbReport` uses such format, but it is not yet clear how such select element should behave when value is not an integer
/**
* @param {number} bitset
* @returns {string[]}
*/
function bitsetToSelectedValues(bitset) {
let values = [];
for (let index = 0; index < 31; ++index) {
if (bitset & (1 << index)) {
values.push(index.toString());
}
}
return values;
}
/**
* @param {string[]} values
* @returns {number}
*/
function bitsetFromSelectedValues(values) {
let result = 0;
for (let value of values) {
result |= 1 << parseInt(value);
}
return result;
}
/**
* @param {HTMLSelectElement} select
* @returns {number}
*/
function bitsetForSelectElement(select) {
return bitsetFromSelectedValues(selectedValues(select))
}
/**
* @param {HTMLInputElement} input
* @param {ElementValue} value
*/
export function setInputValue(input, value) {
switch (input.type) {
case "radio":
input.checked = (value === input.value);
break;
case "checkbox":
input.checked =
(typeof value === "boolean") ? value :
(typeof value === "string") ? stringToBoolean(value) :
(typeof value === "number") ? (value !== 0) : false;
break;
case "number":
case "range":
input.valueAsNumber =
(typeof value === "string") ? parseInt(value) :
(typeof value === "number") ? value : NaN;
break;
case "password":
case "text":
input.value =
(value ?? "").toString();
break;
}
}
/**
* @param {HTMLSpanElement} span
* @param {ElementValue} value
* @returns {string}
*/
function prepareSpanValue(span, value) {
value = value ?? "";
value = value.toString();
if (value) {
value = span.dataset[`value${capitalize(value)}`] ?? value;
}
const out = [
`${span.dataset["pre"] || ""}`,
`${value}`,
`${span.dataset["post"] || ""}`,
];
return out.join("");
}
/**
* @param {HTMLSpanElement} span
* @param {DisplayValue} value
*/
export function setSpanValue(span, value) {
if (Array.isArray(value)) {
/** @type {Node[]} */
const nodes = [];
value.forEach((entry) => {
nodes.push(new Text(prepareSpanValue(span, entry)));
nodes.push(document.createElement("br"));
});
span.replaceChildren(...nodes);
} else {
span.textContent = prepareSpanValue(span, value);
}
}
/**
* @param {HTMLSelectElement} select
* @param {ElementValue} value
*/
export function setSelectValue(select, value) {
/** @type string[] */
const values = [];
switch (typeof value) {
case "boolean":
case "string":
values.push(value.toString());
break;
case "number":
if (select.multiple) {
values.push(...bitsetToSelectedValues(value));
} else {
values.push(value.toString());
}
break;
}
Array.from(select.options)
.forEach((option) => {
option.selected = values.includes(option.value);
});
}
/**
* @param {InputOrSelect} elem
*/
export function setOriginalFromValue(elem) {
if (elem instanceof HTMLInputElement) {
if (elem.readOnly) {
return;
}
if (elem.type === "checkbox") {
elem.dataset["original"] = elem.checked.toString();
} else {
elem.dataset["original"] = elem.value;
}
} else if (elem instanceof HTMLSelectElement) {
elem.dataset["original"] = selectedValues(elem).join(",");
}
resetChangedElement(elem);
}
/**
* @param {InputOrSelect[]} elems
*/
export function setOriginalsFromValues(elems) {
for (let elem of elems) {
setOriginalFromValue(elem);
}
}
/**
* @param {Element | HTMLElement | DocumentFragment} node
* @returns {Array<InputOrSelect>}
*/
function findInputOrSelect(node) {
return Array.from(node.querySelectorAll("input,select"));
}
/**
* @param {HTMLElement | DocumentFragment} node
*/
export function setOriginalsFromValuesForNode(node) {
setOriginalsFromValues(findInputOrSelect(node));
}
/**
* Automatically updates element contents using named entries.
*
* Consumer is expected to
* - set 'data-<NAME>' attribute on the element, either statically or dynamically
* - install default or custom listener for the respective <NAME>d event
*
* Element behaviour varies
* - <select> recreates <options> with value=$key and labeled with the string contents
* - <span> inner text is updated with the all of the string contents joined together
*
* @typedef {[string, string]} EnumerableTuple
* @typedef {{[k: string]: string}} EnumerableNames
*/
/** @type {{[k: string]: EnumerableNames}} */
const Enumerable = {};
/** PREFIX + NAME propogated to every "data-enumerable='NAME'" */
const ENUMERABLE_EVENT_PREFIX = 'enumerable-update-';
// <select> initialization from simple {id: ..., name: ...} that map as <option> value=... and textContent
// To avoid depending on order of incoming messages, always store real value inside of dataset["original"] and provide a way to re-initialize every 'enumerable' <select> element on the page
//
// Notice that <select multiple> input and output format is u32 number, but the 'original' string is comma-separated <option> value=... attributes
/**
* @typedef {{value: string, text: string}} ElementOption
*/
/**
* @param {HTMLSelectElement | HTMLDataListElement} elem
* @param {ElementOption[]} options
*/
export function initElementOptions(elem, options) {
const initial = document.createElement("option");
initial.disabled = true;
initial.value = "";
elem.appendChild(initial);
if (elem instanceof HTMLSelectElement) {
elem.selectedIndex = 0;
}
for (const option of options) {
const child = document.createElement("option");
child.value = option.value;
child.textContent = option.text;
elem.appendChild(child);
}
}
/**
* @param {EnumerableNames} names
* @returns {ElementOption[]}
*/
function elementOptionsFromEnumerable(names) {
/** @type {ElementOption[]} */
const out = [];
Object.entries(names)
.forEach(([id, name]) => {
out.push({
"value": id,
"text": name,
});
});
return out;
}
/**
* @param {HTMLElement} elem
*/
function cleanupChildElements(elem) {
while (elem.childElementCount && elem.firstElementChild) {
elem.removeChild(elem.firstElementChild);
}
}
/**
* @param {HTMLSelectElement} select
* @param {EnumerableNames} names
*/
function onEnumerableUpdateSelect(select, names) {
cleanupChildElements(select);
initElementOptions(select, elementOptionsFromEnumerable(names));
const original = getOriginalForElement(select);
if (original !== null) {
setSelectValue(select, original);
}
}
/**
* @param {HTMLSpanElement} span
* @param {EnumerableNames} names
*/
function onEnumerableUpdateSpan(span, names) {
const id = span.dataset["enumerableId"] ?? "";
if (id.length === 0) {
return;
}
const name = names[id];
if (!name) {
return;
}
setSpanValue(span, name);
}
/**
* @param {HTMLDataListElement} datalist
* @param {EnumerableNames} names
*/
function onEnumerableUpdateDataList(datalist, names) {
cleanupChildElements(datalist);
initElementOptions(datalist, elementOptionsFromEnumerable(names));
}
/**
* @callback EnumerableElemCallback
* @param {HTMLElement} elem
* @param {EnumerableNames} names
* @returns {void}
*/
/**
* @type {EnumerableElemCallback}
*/
function onEnumerableUpdateElem(elem, names) {
if (elem instanceof HTMLSelectElement) {
onEnumerableUpdateSelect(elem, names);
} else if (elem instanceof HTMLSpanElement) {
onEnumerableUpdateSpan(elem, names);
} else if (elem instanceof HTMLDataListElement) {
onEnumerableUpdateDataList(elem, names);
}
}
/**
* @param {Event} event
* @param {EnumerableElemCallback} callback
*/
function onEnumerableUpdate(event, callback) {
const elem = /** @type {!HTMLElement} */(event.target);
const enumerables = /** @type {CustomEvent<{enumerables: EnumerableNames}>} */
(event).detail.enumerables;
callback(elem, enumerables);
}
/**
* @param {string} name
* @param {EnumerableNames} enumerables
*/
function notifyEnumerables(name, enumerables) {
document.querySelectorAll(`[data-enumerable=${name}]`)
.forEach((elem) => {
if (!(elem instanceof HTMLElement)) {
return;
}
elem.dispatchEvent(
new CustomEvent(
`${ENUMERABLE_EVENT_PREFIX}${name}`,
{detail: {enumerables}}));
});
}
/**
* @param {HTMLElement} elem
* @param {string} name
* @param {EnumerableElemCallback?} callback
*/
export function listenEnumerableName(elem, name, callback = null) {
callback = callback ?? onEnumerableUpdateElem;
elem.addEventListener(
`${ENUMERABLE_EVENT_PREFIX}${name}`,
(event) => onEnumerableUpdate(event, callback));
const current = Enumerable[name];
if (!current) {
return;
}
callback(elem, current);
}
/**
* @param {HTMLElement} elem
* @param {number} id
* @param {string} name
*/
export function prepareEnumerableTarget(elem, id, name) {
elem.dataset["enumerableId"] = id.toString();
elem.dataset["enumerable"] = name;
}
/**
* @param {HTMLElement} elem
* @param {number} id
* @param {string} name
* @param {EnumerableElemCallback?} callback
*/
export function listenEnumerableTarget(elem, id, name, callback = null) {
const span = document.createElement("span");
prepareEnumerableTarget(span, id, name);
listenEnumerableName(span, name, callback);
elem.appendChild(span);
}
/**
* @param {HTMLElement} elem
* @param {EnumerableElemCallback?} callback
*/
export function listenEnumerable(elem, callback = null) {
const name = elem.dataset["enumerable"];
if (!name) {
return;
}
listenEnumerableName(elem, name, callback);
}
/**
* @param {string} name
* @returns {EnumerableNames}
*/
export function getEnumerables(name) {
return Enumerable[name] ?? {};
}
/**
* @param {string} name
* @param {EnumerableNames | EnumerableTuple[]} enumerables
*/
export function addEnumerables(name, enumerables) {
/** @type {EnumerableNames} */
let names = {};
if (Array.isArray(enumerables)) {
enumerables.forEach(([id, name]) => {
names[id] = name;
});
} else {
names = enumerables;
}
Enumerable[name] = names;
notifyEnumerables(name, names);
}
/**
* @param {string} name
* @param {string} prettyName
* @param {number} count
*/
export function addSimpleEnumerables(name, prettyName, count) {
if (count <= 0) {
return;
}
/** @type {EnumerableNames} */
const names = {};
for (let id = 0; id < count; ++id) {
names[id.toString()] = `${prettyName} #${id}`;
}
addEnumerables(name, names);
}
// track <input> values, count total number of changes and their side-effects / needed actions
class SettingsBase {
constructor() {
this.counters = {
changed: 0,
reboot: 0,
reconnect: 0,
reload: 0,
};
this.saved = false;
}
/**
* @param {number} count
* @param {string?} action
*/
countFor(count, action = null) {
this.counters.changed += count;
if (typeof action === "string") {
switch (action) {
case "reboot":
case "reload":
case "reconnect":
this.counters[action] += count;
break;
}
}
}
/**
* @param {string?} action
*/
increment(action = null) {
this.countFor(1, action);
}
/**
* @param {string?} action
*/
decrement(action = null) {
this.countFor(-1, action);
}
resetChanged() {
this.counters.changed = 0;
}
resetCounters() {
this.counters.changed = 0;
this.counters.reboot = 0;
this.counters.reconnect = 0;
this.counters.reload = 0;
}
stylizeSave() {
const changed = this.counters.changed !== 0;
document.querySelectorAll(".button-save")
.forEach((elem) => {
if (!(elem instanceof HTMLElement)) {
return;
}
if (changed) {
elem.style.setProperty("--save-background", "rgb(0, 192, 0)");
} else {
elem.style.removeProperty("--save-background");
}
});
}
}
/**
* read-only kv pairs. currently, this is span with a data-key=$key
* @param {Document | Element} node
* @param {string} key
* @param {DisplayValue} value
*/
export function setSpanValueByKey(node, key, value) {
for (const span of node.querySelectorAll(`span[data-key='${key}']`)) {
if (!(span instanceof HTMLSpanElement)) {
continue;
}
setSpanValue(span, value);
}
}
/**
* @param {InputOrSelect} elem
* @param {ElementValue} value
*/
function setInputOrSelect(elem, value) {
if (elem instanceof HTMLInputElement) {
setInputValue(elem, value);
} else if (elem instanceof HTMLSelectElement) {
setSelectValue(elem, value);
}
}
/**
* handle plain kv pairs when they are already on the page, and don't need special template handlers
* @param {Document | Element} node
* @param {string} key
* @param {ElementValue} value
*/
export function setInputOrSelectValueByKey(node, key, value) {
const inputs = [];
for (const elem of node.querySelectorAll(`[name='${key}'`)) {
if ((elem instanceof HTMLInputElement)
|| (elem instanceof HTMLSelectElement))
{
if (isGroupElement(elem)) {
continue;
}
setInputOrSelect(elem, value);
inputs.push(elem);
}
}
setOriginalsFromValues(inputs);
}
const Settings = new SettingsBase();
/**
* @param {InputOrSelect} elem
* @returns {boolean}
*/
function checkElementChanged(elem) {
const lhs = getOriginalForElement(elem);
const rhs = getDataForElement(elem);
if (typeof lhs === "number"
&& typeof rhs === "number"
&& isNaN(lhs)
&& isNaN(rhs))
{
return false;
}
return lhs !== rhs;
}
/**
* @param {InputOrSelect} elem
* @returns {boolean}
*/
export function checkAndSetElementChanged(elem) {
const changed = isChangedElement(elem);
if (checkElementChanged(elem)) {
setChangedElement(elem);
} else {
resetChangedElement(elem);
}
return changed !== isChangedElement(elem);
}
/**
* @param {Event} event
*/
export function onElementChange(event) {
const target = event.target;
if (!(target instanceof HTMLInputElement)
&& !(target instanceof HTMLSelectElement))
{
return;
}
if (target instanceof HTMLInputElement && target.readOnly) {
return;
}
const action = target.dataset["action"];
if ("none" === action) {
return;
}
resetCustomValidity(target);
if (!checkAndSetElementChanged(target)) {
return;
}
if (isChangedElement(target)) {
Settings.increment(action);
} else {
Settings.decrement(action);
}
if (target.required) {
target.reportValidity();
}
Settings.stylizeSave();
}
/**
* @typedef {function(string, any): void} KeyValueListener
*/
/**
* @typedef {{[k: string]: KeyValueListener}} KeyValueListeners
*/
/**
* @type {{[k: string]: KeyValueListener[]}}
*/
const __variable_listeners = {};
/**
* @param {string} key
* @param {KeyValueListener} func
*/
export function listenVariables(key, func) {
if (__variable_listeners[key] === undefined) {
__variable_listeners[key] = [];
}
__variable_listeners[key].push(func);
}
/**
* @param {KeyValueListeners} listeners
*/
export function variableListeners(listeners) {
for (const [key, listener] of Object.entries(listeners)) {
listenVariables(key, listener);
}
}
/**
* @param {string} key
* @param {any} value
*/
export function updateKeyValue(key, value) {
const listeners = __variable_listeners[key];
if (listeners !== undefined) {
for (let listener of listeners) {
listener(key, value);
}
}
if (typeof value === "object") {
return;
}
setSpanValueByKey(document, key, value);
setInputOrSelectValueByKey(document, key, value);
}
function resetOriginals() {
setOriginalsFromValuesForNode(document.documentElement);
resetSettingsGroup();
Settings.resetCounters();
Settings.saved = false;
}
function afterSaved() {
let response = false;
if (Settings.counters.reboot > 0) {
response = window.confirm("You have to reboot the board for the changes to take effect, do you want to do it now?");
if (response) {
sendAction("reboot");
}
} else if (Settings.counters.reconnect > 0) {
response = window.confirm("You have to reconnect to the WiFi for the changes to take effect, do you want to do it now?");
if (response) {
sendAction("reconnect");
}
} else if (Settings.counters.reload > 0) {
response = window.confirm("You have to reload the page to see the latest changes, do you want to do it now?");
if (response) {
pageReloadIn(0);
}
}
resetOriginals();
Settings.stylizeSave();
}
function waitForSaved(){
if (!Settings.saved) {
setTimeout(waitForSaved, 1000);
} else {
afterSaved();
}
}
/** @param {any} settings */
export function applySettings(settings) {
send(JSON.stringify({settings}));
}
/** @param {HTMLFormElement[]} forms */
export function applySettingsFromForms(forms) {
applySettings(getData(forms));
Settings.resetChanged();
waitForSaved();
}
/**
* @param {HTMLFormElement[]} forms
* @returns {boolean}
*/
function validateForms(forms) {
return validateFormsReportValidity(forms)
&& validateFormsPasswords(forms, {strict: false});
}
/** @param {Event} event */
function applySettingsFromAllForms(event) {
event.preventDefault();
const elems = /** @type {NodeListOf<HTMLFormElement>} */
(document.querySelectorAll("form.form-settings"));
const forms = Array.from(elems);
if (validateForms(forms)) {
applySettingsFromForms(forms);
}
}
/** @param {Event} event */
function resetToFactoryDefaults(event) {
event.preventDefault();
if (window.confirm("Are you sure you want to erase all settings from the device?")) {
sendAction("factory_reset");
}
}
/** @param {Event} event */
function handleSettingsFile(event) {
event.preventDefault();
const target = event.target;
if (!(target instanceof HTMLInputElement)) {
return;
}
const inputFiles = target.files;
if (!inputFiles || inputFiles.length === 0) {
return false;
}
const inputFile = inputFiles[0];
target.value = "";
if (!window.confirm("Previous settings will be overwritten. Are you sure you want to restore from this file?")) {
return false;
}
const reader = new FileReader();
reader.onload = function(event) {
try {
const data = event.target?.result;
if (!data) {
throw new Error(`${event.target} is missing data payload`);
}
if (data instanceof ArrayBuffer) {
throw new Error("invalid payload type - ArrayBuffer");
}
sendAction("restore", JSON.parse(data));
} catch (e) {
notifyError(/** @type {Error} */(e));
}
};
reader.readAsText(inputFile);
}
/** @returns {boolean} */
export function pendingChanges() {
return Settings.counters.changed > 0;
}
/** @type {import("./question.mjs").QuestionWrapper} */
export function askSaveSettings(ask) {
if (pendingChanges()) {
return ask("There are pending changes to the settings, continue the operation without saving?");
}
return true;
}
/** @returns {KeyValueListeners} */
function listeners() {
return {
"saved": (_, value) => {
Settings.saved = value;
},
};
}
/** @param {{[k: string]: any}} kvs */
export function updateVariables(kvs) {
Object.entries(kvs)
.forEach(([key, value]) => {
updateKeyValue(key, value);
});
}
export function init() {
variableListeners(listeners());
document.getElementById("uploader")
?.addEventListener("change", handleSettingsFile);
document.querySelector(".button-save")
?.addEventListener("click", applySettingsFromAllForms);
const backup = document.querySelector(".button-settings-backup");
if (backup instanceof HTMLButtonElement) {
listenAppConnected((urls) => {
backup.dataset["url"] = urls.config.href;
});
backup.addEventListener("click", (event) => {
event.preventDefault();
const url = backup.dataset["url"];
if (!url) {
alert("Not connected");
return;
}
const elem = document.getElementById("downloader");
if (elem instanceof HTMLAnchorElement) {
elem.href = url;
elem.click();
}
});
}
document.querySelector(".button-settings-restore")
?.addEventListener("click", () => {
document.getElementById("uploader")?.click();
});
document.querySelector(".button-settings-factory")
?.addEventListener("click", resetToFactoryDefaults);
document.querySelector(".button-settings-password")
?.addEventListener("click", () => {
showPanelByName("password");
});
document.querySelectorAll(".button-add-settings-group")
.forEach((elem) => {
elem.addEventListener("click", onGroupSettingsAddClick);
});
// aka elements that already have "dataset['enumerable']" set
// most likely, merged static .html contains this reference
document.querySelectorAll("[data-enumerable]")
.forEach((elem) => {
if (!(elem instanceof HTMLElement)) {
return;
}
listenEnumerable(elem);
});
// No group handler should be registered after this point, since we depend on the order
// of registration to trigger 'after-add' handler and update group attributes *after*
// module function finishes modifying the container
for (const group of document.querySelectorAll(".settings-group")) {
group.addEventListener("settings-group-del", onGroupSettingsEventDel);
group.addEventListener("change", onElementChange);
}
for (let elem of document.querySelectorAll("input,select")) {
elem.addEventListener("change", onElementChange);
}
resetOriginals();
}