/*
LuCI - Lua Configuration Interface
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008-2018 Jo-Philipp Wich <jo@mein.io>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
*/
/**
* CBI (Configuration Bindings Interface) helper utilities and DOM helpers.
*
* Provides initialization for CBI UI elements, dependency handling,
* validation wiring and miscellaneous helpers used by LuCI forms. Functions
* defined here are registered as global `window.*` symbols.
* @module LuCI.cbi
*/
const cbi_d = [];
if (typeof window !== 'undefined')
window.cbi_d = cbi_d;
const cbi_strings = { path: {}, label: {} };
if (typeof window !== 'undefined')
window.cbi_strings = cbi_strings;
/**
* Read signed 8-bit integer from a byte array at the given offset.
* @param {Array<number>} bytes - Byte array.
* @param {number} off - Offset into the array.
* @returns {number} Signed 8-bit value (returned as unsigned number).
*/
function s8(bytes, off) {
const n = bytes[off];
return (n > 0x7F) ? (n - 256) >>> 0 : n;
}
/**
* Read unsigned 16-bit little-endian integer from a byte array at offset.
* @param {Array<number>} bytes - Byte array.
* @param {number} off - Offset into the array.
* @returns {number} Unsigned 16-bit integer.
*/
function u16(bytes, off) {
return ((bytes[off + 1] << 8) + bytes[off]) >>> 0;
}
/**
* Compute a stable 32-bit-ish string hash used for translation keys.
* Encodes UTF-8 surrogate pairs and mixes bytes into a hex hash string.
* @param {string|null} s - Input string.
* @returns {string|null} Hex hash string or null for empty input.
*/
function sfh(s) {
if (s === null || s.length === 0)
return null;
const bytes = [];
for (let i = 0; i < s.length; i++) {
let ch = s.charCodeAt(i);
// Handle surrogate pairs
if (ch >= 0xD800 && ch <= 0xDBFF && i + 1 < s.length) {
const next = s.charCodeAt(i + 1);
if (next >= 0xDC00 && next <= 0xDFFF) {
ch = 0x10000 + ((ch - 0xD800) << 10) + (next - 0xDC00);
i++;
}
}
if (ch <= 0x7F)
bytes.push(ch);
else if (ch <= 0x7FF)
bytes.push(((ch >>> 6) & 0x1F) | 0xC0,
( ch & 0x3F) | 0x80);
else if (ch <= 0xFFFF)
bytes.push(((ch >>> 12) & 0x0F) | 0xE0,
((ch >>> 6) & 0x3F) | 0x80,
( ch & 0x3F) | 0x80);
else if (ch <= 0x10FFFF)
bytes.push(((ch >>> 18) & 0x07) | 0xF0,
((ch >>> 12) & 0x3F) | 0x80,
((ch >> 6) & 0x3F) | 0x80,
( ch & 0x3F) | 0x80);
}
if (!bytes.length)
return null;
let hash = (bytes.length >>> 0);
let len = (bytes.length >>> 2);
let off = 0, tmp;
while (len--) {
hash += u16(bytes, off);
tmp = ((u16(bytes, off + 2) << 11) ^ hash) >>> 0;
hash = ((hash << 16) ^ tmp) >>> 0;
hash += hash >>> 11;
off += 4;
}
switch ((bytes.length & 3) >>> 0) {
case 3:
hash += u16(bytes, off);
hash = (hash ^ (hash << 16)) >>> 0;
hash = (hash ^ (s8(bytes, off + 2) << 18)) >>> 0;
hash += hash >>> 11;
break;
case 2:
hash += u16(bytes, off);
hash = (hash ^ (hash << 11)) >>> 0;
hash += hash >>> 17;
break;
case 1:
hash += s8(bytes, off);
hash = (hash ^ (hash << 10)) >>> 0;
hash += hash >>> 1;
break;
}
hash = (hash ^ (hash << 3)) >>> 0;
hash += hash >>> 5;
hash = (hash ^ (hash << 4)) >>> 0;
hash += hash >>> 17;
hash = (hash ^ (hash << 25)) >>> 0;
hash += hash >>> 6;
return (0x100000000 + hash).toString(16).slice(1);
}
var plural_function = null;
/**
* Trim whitespace and normalise internal whitespace sequences to single spaces.
* @param {*} s - Value to convert to string and trim.
* @returns {string} Trimmed and normalised string.
*/
function trimws(s) {
return String(s).trim().replace(/[ \t\n]+/g, ' ');
}
/**
* Lookup a translated string for the given message and optional context.
* Falls back to the source string when no translation found.
* @param {string} s - Source string.
* @param {string} [c] - Optional translation context.
* @returns {string} Translated string or original.
*/
function _(s, c) {
var k = (c != null ? trimws(c) + '\u0001' : '') + trimws(s);
return (window.TR && TR[sfh(k)]) || s;
}
/**
* Plural-aware translation lookup.
* @param {number} n - Quantity to evaluate plural form.
* @param {string} s - Singular string.
* @param {string} p - Plural string.
* @param {string} [c] - Optional context.
* @returns {string} Translated plural form or source string.
*/
function N_(n, s, p, c) {
if (plural_function == null && window.TR)
plural_function = new Function('n', (TR['00000000'] || 'plural=(n != 1);') + 'return +plural');
var i = plural_function ? plural_function(n) : (n != 1),
k = (c != null ? trimws(c) + '\u0001' : '') + trimws(s) + '\u0002' + i.toString();
return (window.TR && TR[sfh(k)]) || (i ? p : s);
}
/**
* Register a dependency entry for a field.
* @param {HTMLElement|string} field - Field element or its id.
* @param {Object} dep - Dependency specification object.
* @param {number} index - Order index of the dependent node.
*/
function cbi_d_add(field, dep, index) {
var obj = (typeof(field) === 'string') ? document.getElementById(field) : field;
if (obj) {
var entry
for (var i=0; i<cbi_d.length; i++) {
if (cbi_d[i].id == obj.id) {
entry = cbi_d[i];
break;
}
}
if (!entry) {
entry = {
"node": obj,
"id": obj.id,
"parent": obj.parentNode.id,
"deps": [],
"index": index
};
cbi_d.unshift(entry);
}
entry.deps.push(dep)
}
}
/**
* Check whether an input/select identified by target matches the given reference value.
* @param {string} target - Element id or name to query.
* @param {string} ref - Reference value to compare with.
* @returns {boolean} True if the current value matches ref.
*/
function cbi_d_checkvalue(target, ref) {
var value = null,
query = 'input[id="'+target+'"], input[name="'+target+'"], ' +
'select[id="'+target+'"], select[name="'+target+'"]';
document.querySelectorAll(query).forEach(function(i) {
if (value === null && ((i.type !== 'radio' && i.type !== 'checkbox') || i.checked === true))
value = i.value;
});
return (((value !== null) ? value : "") == ref);
}
/**
* Evaluate a list of dependency descriptors and return whether any match.
* @param {Array<Object>} deps - Array of dependency objects to evaluate.
* @returns {boolean} True when dependencies indicate the element should be shown.
*/
function cbi_d_check(deps) {
var reverse;
var def = false;
for (var i=0; i<deps.length; i++) {
var istat = true;
reverse = false;
for (var j in deps[i]) {
if (j == "!reverse") {
reverse = true;
} else if (j == "!default") {
def = true;
istat = false;
} else {
istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
}
}
if (istat ^ reverse) {
return true;
}
}
return def;
}
/**
* Update DOM nodes based on registered dependencies, showing or hiding
* nodes and restoring their order when dependency state changes.
*/
function cbi_d_update() {
var state = false;
for (var i=0; i<cbi_d.length; i++) {
var entry = cbi_d[i];
var node = document.getElementById(entry.id);
var parent = document.getElementById(entry.parent);
if (node && node.parentNode && !cbi_d_check(entry.deps)) {
node.parentNode.removeChild(node);
state = true;
}
else if (parent && (!node || !node.parentNode) && cbi_d_check(entry.deps)) {
var next = undefined;
for (next = parent.firstChild; next; next = next.nextSibling) {
if (next.getAttribute && parseInt(next.getAttribute('data-index'), 10) > entry.index)
break;
}
if (!next)
parent.appendChild(entry.node);
else
parent.insertBefore(entry.node, next);
state = true;
}
// hide optionals widget if no choices remaining
if (parent && parent.parentNode && parent.getAttribute('data-optionals'))
parent.parentNode.style.display = (parent.options.length <= 1) ? 'none' : '';
}
if (entry && entry.parent)
cbi_tag_last(parent);
if (state)
cbi_d_update();
else if (parent)
parent.dispatchEvent(new CustomEvent('dependency-update', { bubbles: true }));
}
/**
* Initialize CBI widgets and wire up dependency and validation handlers.
* Walks the DOM looking for CBI-specific data attributes and replaces
* placeholders with interactive widgets.
*/
function cbi_init() {
let nodes;
document.querySelectorAll('.cbi-dropdown').forEach(function(node) {
cbi_dropdown_init(node);
node.addEventListener('cbi-dropdown-change', cbi_d_update);
});
nodes = document.querySelectorAll('[data-strings]');
for (let n of nodes) {
const str = JSON.parse(n.getAttribute('data-strings'));
for (let key in str) {
for (let key2 in str[key]) {
const dst = cbi_strings[key] || (cbi_strings[key] = { });
dst[key2] = str[key][key2];
}
}
}
nodes = document.querySelectorAll('[data-depends]');
for (let n of nodes) {
const index = parseInt(n.getAttribute('data-index'), 10);
const depends = JSON.parse(n.getAttribute('data-depends'));
if (!isNaN(index) && depends.length > 0) {
for (let a of depends)
cbi_d_add(n, a, index);
}
}
nodes = document.querySelectorAll('[data-update]');
for (let n of nodes) {
const events = n.getAttribute('data-update').split(' ');
for (let ev of events)
n.addEventListener(ev, cbi_d_update);
}
nodes = document.querySelectorAll('[data-choices]');
for (let node of nodes) {
const choices = JSON.parse(node.getAttribute('data-choices'));
const options = {};
for (let j = 0; j < choices[0].length; j++)
options[choices[0][j]] = choices[1][j];
const def = (node.getAttribute('data-optional') === 'true')
? node.placeholder || '' : null;
const cb = new L.ui.Combobox(node.value, options, {
name: node.getAttribute('name'),
sort: choices[0],
select_placeholder: def || _('-- Please choose --'),
custom_placeholder: node.getAttribute('data-manual') || _('-- custom --')
});
const n = cb.render();
n.addEventListener('cbi-dropdown-change', cbi_d_update);
node.parentNode.replaceChild(n, node);
}
nodes = document.querySelectorAll('[data-dynlist]');
for (let node of nodes) {
const choices = JSON.parse(node.getAttribute('data-dynlist'));
const values = JSON.parse(node.getAttribute('data-values') || '[]');
let options = null;
if (choices[0] && choices[0].length) {
options = {};
for (let j = 0; j < choices[0].length; j++)
options[choices[0][j]] = choices[1][j];
}
let dl = new L.ui.DynamicList(values, options, {
name: node.getAttribute('data-prefix'),
sort: choices[0],
datatype: choices[2],
optional: choices[3],
placeholder: node.getAttribute('data-placeholder')
});
let n = dl.render();
n.addEventListener('cbi-dynlist-change', cbi_d_update);
node.parentNode.replaceChild(n, node);
}
nodes = document.querySelectorAll('[data-type]');
for (let node of nodes) {
cbi_validate_field(node, node.getAttribute('data-optional') === 'true',
node.getAttribute('data-type'));
}
document.querySelectorAll('.cbi-tooltip:not(:empty)').forEach(function(s) {
s.parentNode.classList.add('cbi-tooltip-container');
});
document.querySelectorAll('.cbi-section-remove > input[name^="cbi.rts"]').forEach(function(i) {
let handler = function(ev) {
var bits = this.name.split(/\./),
section = document.getElementById('cbi-' + bits[2] + '-' + bits[3]);
section.style.opacity = (ev.type === 'mouseover') ? 0.5 : '';
};
i.addEventListener('mouseover', handler);
i.addEventListener('mouseout', handler);
});
var tasks = [];
document.querySelectorAll('[data-ui-widget]').forEach(function(node) {
const args = JSON.parse(node.getAttribute('data-ui-widget') || '[]');
const widget = new (Function.prototype.bind.apply(L.ui[args[0]], args));
const markup = widget.render();
tasks.push(Promise.resolve(markup).then(function(markup) {
markup.addEventListener('widget-change', cbi_d_update);
node.parentNode.replaceChild(markup, node);
}));
});
Promise.all(tasks).then(cbi_d_update);
}
/**
* Run all validators associated with a form and optionally show an error.
* @param {HTMLFormElement} form - Form element containing validators.
* @param {string} [errmsg] - Message to show when validation fails.
* @returns {boolean} True when form is valid.
*/
function cbi_validate_form(form, errmsg)
{
/* if triggered by a section removal or addition, don't validate */
if (form.cbi_state == 'add-section' || form.cbi_state == 'del-section')
return true;
if (form.cbi_validators) {
for (let fv of form.cbi_validators) {
const validator = fv;
if (!validator() && errmsg) {
if (typeof window !== 'undefined' && typeof window.alert === 'function')
window.alert(errmsg);
return false;
}
}
}
return true;
}
/**
* Enable/disable a named-section add button depending on input value.
* @param {HTMLInputElement} input - Input that contains the new section name.
*/
function cbi_validate_named_section_add(input)
{
var button = input.parentNode.parentNode.querySelector('.cbi-button-add');
button.disabled = input.value === '';
}
/**
* Trigger a delayed form validation (used to allow UI state to settle).
* @param {HTMLFormElement} form - Form to validate after a short delay.
* @returns {boolean} Always returns true.
*/
function cbi_validate_reset(form)
{
window.setTimeout(
function() { cbi_validate_form(form, null) }, 100
);
return true;
}
/**
* Attach a validator to a field and wire validation events.
* @param {HTMLElement|string} cbid - Element or element id to validate.
* @param {boolean} optional - Whether an empty value is allowed.
* @param {string} type - Validator type expression (passed to L.validation).
*/
function cbi_validate_field(cbid, optional, type)
{
var field = isElem(cbid) ? cbid : document.getElementById(cbid);
var validatorFn;
try {
var cbiValidator = L.validation.create(field, type, optional);
validatorFn = cbiValidator.validate.bind(cbiValidator);
}
catch(e) {
validatorFn = null;
};
if (validatorFn !== null) {
var form = findParent(field, 'form');
if (!form.cbi_validators)
form.cbi_validators = [ ];
form.cbi_validators.push(validatorFn);
field.addEventListener("blur", validatorFn);
field.addEventListener("keyup", validatorFn);
field.addEventListener("cbi-dropdown-change", validatorFn);
if (matchesElem(field, 'select')) {
field.addEventListener("change", validatorFn);
field.addEventListener("click", validatorFn);
}
validatorFn();
}
}
/**
* Move a table row up or down within a section and update the storage field.
* @param {HTMLElement} elem - Element inside the row that triggers the swap.
* @param {boolean} up - If true, move the row up; otherwise move down.
* @param {string} store - ID of the hidden input used to store the order.
* @returns {boolean} Always returns false to cancel default action.
*/
function cbi_row_swap(elem, up, store)
{
var tr = findParent(elem.parentNode, '.cbi-section-table-row');
if (!tr)
return false;
tr.classList.remove('flash');
if (up) {
var prev = tr.previousElementSibling;
if (prev && prev.classList.contains('cbi-section-table-row'))
tr.parentNode.insertBefore(tr, prev);
else
return;
}
else {
var next = tr.nextElementSibling ? tr.nextElementSibling.nextElementSibling : null;
if (next && next.classList.contains('cbi-section-table-row'))
tr.parentNode.insertBefore(tr, next);
else if (!next)
tr.parentNode.appendChild(tr);
else
return;
}
var ids = [ ];
for (var i = 0, n = 0; i < tr.parentNode.childNodes.length; i++) {
var node = tr.parentNode.childNodes[i];
if (node.classList && node.classList.contains('cbi-section-table-row')) {
node.classList.remove('cbi-rowstyle-1');
node.classList.remove('cbi-rowstyle-2');
node.classList.add((n++ % 2) ? 'cbi-rowstyle-2' : 'cbi-rowstyle-1');
if (/-([^-]+)$/.test(node.id))
ids.push(RegExp.$1);
}
}
var input = document.getElementById(store);
if (input)
input.value = ids.join(' ');
window.scrollTo(0, tr.offsetTop);
void tr.offsetWidth;
tr.classList.add('flash');
return false;
}
/**
* Mark the last visible value container child with class `cbi-value-last`.
* @param {HTMLElement} container - Parent container element.
*/
function cbi_tag_last(container)
{
let last;
for (let cn of container.childNodes) {
var c = cn;
if (matchesElem(c, 'div')) {
c.classList.remove('cbi-value-last');
last = c;
}
}
if (last)
last.classList.add('cbi-value-last');
}
/**
* Submit a form, optionally adding a hidden input to pass a name/value pair.
* @param {HTMLElement} elem - Element inside the form or an element with a form.
* @param {string} [name] - Name of hidden input to include, if any.
* @param {string} [value] - Value for the hidden input (defaults to '1').
* @param {string} [action] - Optional form action URL override.
* @returns {boolean} True on successful submit, false when no form found.
*/
function cbi_submit(elem, name, value, action)
{
const form = elem.form || findParent(elem, 'form');
if (!form)
return false;
if (action)
form.action = action;
if (name) {
var hidden = form.querySelector('input[type="hidden"][name="%s"]'.format(name)) ||
E('input', { type: 'hidden', name: name });
hidden.value = value || '1';
form.appendChild(hidden);
}
form.submit();
return true;
}
/**
* @external String
*/
/**
* Format a string using positional arguments.
* @function format
* @memberof external:String.prototype
* @param {...string} args
* @returns {string}
*/
String.prototype.format = function()
{
if (!RegExp)
return;
const html_esc = [/&/g, '&', /"/g, '"', /'/g, ''', /</g, '<', />/g, '>'];
const quot_esc = [/"/g, '"', /'/g, '''];
/**
* Escape a string.
* @private
* @function esc
* @param {string} s
* @param {string} r
* @returns {string}
*/
function esc(s, r) {
const t = typeof(s);
if (s == null || t === 'object' || t === 'function')
return '';
if (t !== 'string')
s = String(s);
for (let i = 0; i < r.length; i += 2)
s = s.replace(r[i], r[i+1]);
return s;
}
let str = this;
let subst, n, pad;
let out = '';
const re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
let a = [], numSubstitutions = 0;
while ((a = re.exec(str)) !== null) {
const m = a[1];
let leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
let pPrecision = a[6], pType = a[7];
let precision;
if (pType == '%') {
subst = '%';
}
else {
if (numSubstitutions < arguments.length) {
let param = arguments[numSubstitutions++];
pad = '';
if (pPad && pPad.substr(0,1) == "'")
pad = pPad.substr(1,1);
else if (pPad)
pad = pPad;
else
pad = ' ';
precision = -1;
if (pPrecision && pType == 'f')
precision = +pPrecision.substring(1);
subst = param;
switch(pType) {
case 'b':
subst = Math.floor(+param || 0).toString(2);
break;
case 'c':
subst = String.fromCharCode(+param || 0);
break;
case 'd':
subst = Math.floor(+param || 0).toFixed(0);
break;
case 'u':
n = +param || 0;
subst = Math.floor((n < 0) ? 0x100000000 + n : n).toFixed(0);
break;
case 'f':
subst = (precision > -1)
? ((+param || 0.0)).toFixed(precision)
: (+param || 0.0);
break;
case 'o':
subst = Math.floor(+param || 0).toString(8);
break;
case 's':
subst = param;
break;
case 'x':
subst = Math.floor(+param || 0).toString(16).toLowerCase();
break;
case 'X':
subst = Math.floor(+param || 0).toString(16).toUpperCase();
break;
case 'h':
subst = esc(param, html_esc);
break;
case 'q':
subst = esc(param, quot_esc);
break;
case 't':
var td = 0;
var th = 0;
var tm = 0;
var ts = (param || 0);
if (ts > 59) {
tm = Math.floor(ts / 60);
ts = (ts % 60);
}
if (tm > 59) {
th = Math.floor(tm / 60);
tm = (tm % 60);
}
if (th > 23) {
td = Math.floor(th / 24);
th = (th % 24);
}
subst = (td > 0)
? String.format('%dd %dh %dm %ds', td, th, tm, ts)
: String.format('%dh %dm %ds', th, tm, ts);
break;
case 'm':
var mf = pMinLength ? +pMinLength : 1000;
var pr = pPrecision ? ~~(10 * +('0' + pPrecision)) : 2;
var i = 0;
var val = (+param || 0);
var units = [ ' ', ' K', ' M', ' G', ' T', ' P', ' E' ];
for (i = 0; (i < units.length) && (val > mf); i++)
val /= mf;
if (i)
subst = val.toFixed(pr) + units[i] + (mf == 1024 ? 'i' : '');
else
subst = val + ' ';
pMinLength = null;
break;
}
}
}
if (pMinLength) {
subst = subst.toString();
for (let i = subst.length; i < pMinLength; i++)
if (pJustify == '-')
subst = subst + ' ';
else
subst = pad + subst;
}
out += leftpart + subst;
str = str.substr(m.length);
}
return out + str;
}
/**
* Format a string using positional arguments.
* @function nobr
* @memberof external:String.prototype
* @param {...string} args
* @returns {string}
*/
String.prototype.nobr = function()
{
return this.replace(/[\s\n]+/g, ' ');
}
/**
* Format a string using positional arguments.
* @function format
* @memberof external:String
* @param {...string} args
* @returns {string}
*/
String.format = function()
{
const a = [ ];
for (let i = 1; i < arguments.length; i++) {
a.push(arguments[i]);
}
return ''.format.apply(arguments[0], a);
}
/**
* Format a string using positional arguments.
* @function nobr
* @memberof external:String
* @param {...string} args
* @returns {string}
*/
String.nobr = function()
{
const a = [ ];
for (let i = 1; i < arguments.length; i++)
a.push(arguments[i]);
return ''.nobr.apply(arguments[0], a);
}
if (window.NodeList && !NodeList.prototype.forEach) {
NodeList.prototype.forEach = function (callback, thisArg) {
thisArg = thisArg || window;
for (var i = 0; i < this.length; i++) {
callback.call(thisArg, this[i], i, this);
}
};
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function(f) {
window.setTimeout(function() {
f(new Date().getTime())
}, 1000/30);
};
}
/**
* Return the element for input which may be an element or an id.
* @param {Element|string} e - Element or id.
* @returns {HTMLElement|null}
*/
function isElem(e) { return L.dom.elem(e) }
/**
* Test whether node matches a CSS selector.
* @param {Node} node - Node to test.
* @param {string} selector - CSS selector.
* @returns {boolean}
*/
function matchesElem(node, selector) { return L.dom.matches(node, selector) }
/**
* Find the parent matching selector from node upwards.
* @param {Node} node - Starting node.
* @param {string} selector - CSS selector to match ancestor.
* @returns {HTMLElement|null}
*/
function findParent(node, selector) { return L.dom.parent(node, selector) }
/**
* Create DOM elements using {@link L.dom.create} helper (convenience wrapper).
* @returns {HTMLElement}
*/
function E() { return L.dom.create.apply(L.dom, arguments) }
/**
* Initialize a dropdown element into an {@link L.ui.Dropdown} instance and bind it.
* If already bound, this is a no-op.
* @param {HTMLElement} sb - The select element to convert.
* @returns {L.ui.Dropdown|undefined} Dropdown instance or undefined when already bound.
*/
function cbi_dropdown_init(sb) {
if (sb && L.dom.findClassInstance(sb) instanceof L.ui.Dropdown)
return;
const dl = new L.ui.Dropdown(sb, null, { name: sb.getAttribute('name') });
return dl.bind(sb);
}
/**
* Update or initialize a table UI widget with new data.
* @param {HTMLElement|string} table - Table element or selector.
* @param {...Node[]} data - Data to update the table with.
* @param {string} [placeholder] - Placeholder text when empty.
*/
function cbi_update_table(table, data, placeholder) {
const target = isElem(table) ? table : document.querySelector(table);
if (!isElem(target))
return;
let t = L.dom.findClassInstance(target);
if (!(t instanceof L.ui.Table)) {
t = new L.ui.Table(target);
L.dom.bindClassInstance(target, t);
}
t.update(data, placeholder);
}
document.addEventListener('DOMContentLoaded', function() {
document.addEventListener('validation-failure', function(ev) {
if (ev.target === document.activeElement)
L.showTooltip(ev);
});
document.addEventListener('validation-success', function(ev) {
if (ev.target === document.activeElement)
L.hideTooltip(ev);
});
L.require('ui').then(function(ui) {
document.querySelectorAll('.table').forEach(cbi_update_table);
});
});