tilde.news/vendor/assets/javascripts/tom-select.base.js

4168 lines
105 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* Tom Select v2.1.0
* Licensed under the Apache License, Version 2.0 (the "License");
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.TomSelect = factory());
})(this, (function () { 'use strict';
/**
* MicroEvent - to make any js object an event emitter
*
* - pure javascript - server compatible, browser compatible
* - dont rely on the browser doms
* - super simple - you get it immediatly, no mistery, no magic involved
*
* @author Jerome Etienne (https://github.com/jeromeetienne)
*/
/**
* Execute callback for each event in space separated list of event names
*
*/
function forEvents(events, callback) {
events.split(/\s+/).forEach(event => {
callback(event);
});
}
class MicroEvent {
constructor() {
this._events = void 0;
this._events = {};
}
on(events, fct) {
forEvents(events, event => {
this._events[event] = this._events[event] || [];
this._events[event].push(fct);
});
}
off(events, fct) {
var n = arguments.length;
if (n === 0) {
this._events = {};
return;
}
forEvents(events, event => {
if (n === 1) return delete this._events[event];
if (event in this._events === false) return;
this._events[event].splice(this._events[event].indexOf(fct), 1);
});
}
trigger(events, ...args) {
var self = this;
forEvents(events, event => {
if (event in self._events === false) return;
for (let fct of self._events[event]) {
fct.apply(self, args);
}
});
}
}
/**
* microplugin.js
* Copyright (c) 2013 Brian Reavis & contributors
*
* 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
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*
* @author Brian Reavis <brian@thirdroute.com>
*/
function MicroPlugin(Interface) {
Interface.plugins = {};
return class extends Interface {
constructor(...args) {
super(...args);
this.plugins = {
names: [],
settings: {},
requested: {},
loaded: {}
};
}
/**
* Registers a plugin.
*
* @param {function} fn
*/
static define(name, fn) {
Interface.plugins[name] = {
'name': name,
'fn': fn
};
}
/**
* Initializes the listed plugins (with options).
* Acceptable formats:
*
* List (without options):
* ['a', 'b', 'c']
*
* List (with options):
* [{'name': 'a', options: {}}, {'name': 'b', options: {}}]
*
* Hash (with options):
* {'a': { ... }, 'b': { ... }, 'c': { ... }}
*
* @param {array|object} plugins
*/
initializePlugins(plugins) {
var key, name;
const self = this;
const queue = [];
if (Array.isArray(plugins)) {
plugins.forEach(plugin => {
if (typeof plugin === 'string') {
queue.push(plugin);
} else {
self.plugins.settings[plugin.name] = plugin.options;
queue.push(plugin.name);
}
});
} else if (plugins) {
for (key in plugins) {
if (plugins.hasOwnProperty(key)) {
self.plugins.settings[key] = plugins[key];
queue.push(key);
}
}
}
while (name = queue.shift()) {
self.require(name);
}
}
loadPlugin(name) {
var self = this;
var plugins = self.plugins;
var plugin = Interface.plugins[name];
if (!Interface.plugins.hasOwnProperty(name)) {
throw new Error('Unable to find "' + name + '" plugin');
}
plugins.requested[name] = true;
plugins.loaded[name] = plugin.fn.apply(self, [self.plugins.settings[name] || {}]);
plugins.names.push(name);
}
/**
* Initializes a plugin.
*
*/
require(name) {
var self = this;
var plugins = self.plugins;
if (!self.plugins.loaded.hasOwnProperty(name)) {
if (plugins.requested[name]) {
throw new Error('Plugin has circular dependency ("' + name + '")');
}
self.loadPlugin(name);
}
return plugins.loaded[name];
}
};
}
// @ts-ignore TS2691 "An import path cannot end with a '.ts' extension"
// https://github.com/andrewrk/node-diacritics/blob/master/index.js
var latin_pat;
const accent_pat = '[\u0300-\u036F\u{b7}\u{2be}]'; // \u{2bc}
const accent_reg = new RegExp(accent_pat, 'gu');
var diacritic_patterns;
const latin_convert = {
'æ': 'ae',
'ⱥ': 'a',
'ø': 'o'
};
const convert_pat = new RegExp(Object.keys(latin_convert).join('|'), 'gu');
const code_points = [[0, 65535]];
/**
* Remove accents
* via https://github.com/krisk/Fuse/issues/133#issuecomment-318692703
*
*/
const asciifold = str => {
return str.normalize('NFKD').replace(accent_reg, '').toLowerCase().replace(convert_pat, function (foreignletter) {
return latin_convert[foreignletter];
});
};
/**
* Convert array of strings to a regular expression
* ex ['ab','a'] => (?:ab|a)
* ex ['a','b'] => [ab]
*
*/
const arrayToPattern = (chars, glue = '|') => {
if (chars.length == 1) {
return chars[0];
}
var longest = 1;
chars.forEach(a => {
longest = Math.max(longest, a.length);
});
if (longest == 1) {
return '[' + chars.join('') + ']';
}
return '(?:' + chars.join(glue) + ')';
};
const escapeToPattern = chars => {
const escaped = chars.map(diacritic => escape_regex(diacritic));
return arrayToPattern(escaped);
};
/**
* Get all possible combinations of substrings that add up to the given string
* https://stackoverflow.com/questions/30169587/find-all-the-combination-of-substrings-that-add-up-to-the-given-string
*
*/
const allSubstrings = input => {
if (input.length === 1) return [[input]];
var result = [];
allSubstrings(input.substring(1)).forEach(function (subresult) {
var tmp = subresult.slice(0);
tmp[0] = input.charAt(0) + tmp[0];
result.push(tmp);
tmp = subresult.slice(0);
tmp.unshift(input.charAt(0));
result.push(tmp);
});
return result;
};
/**
* Generate a list of diacritics from the list of code points
*
*/
const generateDiacritics = code_points => {
var diacritics = {};
code_points.forEach(code_range => {
for (let i = code_range[0]; i <= code_range[1]; i++) {
let diacritic = String.fromCharCode(i);
let latin = asciifold(diacritic);
if (latin == diacritic.toLowerCase()) {
continue;
} // skip when latin is a string longer than 3 characters long
// bc the resulting regex patterns will be long
// eg:
// latin صلى الله عليه وسلم length 18 code point 65018
// latin جل جلاله length 8 code point 65019
if (latin.length > 3) {
continue;
}
if (!(latin in diacritics)) {
diacritics[latin] = [latin];
}
var patt = new RegExp(escapeToPattern(diacritics[latin]), 'iu');
if (diacritic.match(patt)) {
continue;
}
diacritics[latin].push(diacritic);
}
}); // filter out if there's only one character in the list
let latin_chars = Object.keys(diacritics);
for (let i = 0; i < latin_chars.length; i++) {
const latin = latin_chars[i];
if (diacritics[latin].length < 2) {
delete diacritics[latin];
}
} // latin character pattern
// match longer substrings first
latin_chars = Object.keys(diacritics).sort((a, b) => b.length - a.length);
latin_pat = new RegExp('(' + escapeToPattern(latin_chars) + accent_pat + '*)', 'gu'); // build diacritic patterns
// ae needs:
// (?:(?:ae|Æ|Ǽ|Ǣ)|(?:A|Ⓐ|...)(?:E|ɛ|Ⓔ...))
var diacritic_patterns = {};
latin_chars.sort((a, b) => a.length - b.length).forEach(latin => {
var substrings = allSubstrings(latin);
var pattern = substrings.map(sub_pat => {
sub_pat = sub_pat.map(l => {
if (diacritics.hasOwnProperty(l)) {
return escapeToPattern(diacritics[l]);
}
return l;
});
return arrayToPattern(sub_pat, '');
});
diacritic_patterns[latin] = arrayToPattern(pattern);
});
return diacritic_patterns;
};
/**
* Expand a regular expression pattern to include diacritics
* eg /a/ becomes /aⓐẚàáâầấẫẩãāăằắẵẳȧǡäǟảåǻǎȁȃạậặḁąⱥɐɑAⒶÀÁÂẦẤẪẨÃĀĂẰẮẴẲȦǠÄǞẢÅǺǍȀȂẠẬẶḀĄȺⱯ/
*
*/
const diacriticRegexPoints = regex => {
if (diacritic_patterns === undefined) {
diacritic_patterns = generateDiacritics(code_points);
}
const decomposed = regex.normalize('NFKD').toLowerCase();
return decomposed.split(latin_pat).map(part => {
// "ffl" or "ffl"
const no_accent = asciifold(part);
if (no_accent == '') {
return '';
}
if (diacritic_patterns.hasOwnProperty(no_accent)) {
return diacritic_patterns[no_accent];
}
return part;
}).join('');
};
// @ts-ignore TS2691 "An import path cannot end with a '.ts' extension"
/**
* A property getter resolving dot-notation
* @param {Object} obj The root object to fetch property on
* @param {String} name The optionally dotted property name to fetch
* @return {Object} The resolved property value
*/
const getAttr = (obj, name) => {
if (!obj) return;
return obj[name];
};
/**
* A property getter resolving dot-notation
* @param {Object} obj The root object to fetch property on
* @param {String} name The optionally dotted property name to fetch
* @return {Object} The resolved property value
*/
const getAttrNesting = (obj, name) => {
if (!obj) return;
var part,
names = name.split(".");
while ((part = names.shift()) && (obj = obj[part]));
return obj;
};
/**
* Calculates how close of a match the
* given value is against a search token.
*
*/
const scoreValue = (value, token, weight) => {
var score, pos;
if (!value) return 0;
value = value + '';
pos = value.search(token.regex);
if (pos === -1) return 0;
score = token.string.length / value.length;
if (pos === 0) score += 0.5;
return score * weight;
};
/**
*
* https://stackoverflow.com/questions/63006601/why-does-u-throw-an-invalid-escape-error
*/
const escape_regex = str => {
return (str + '').replace(/([\$\(-\+\.\?\[-\^\{-\}])/g, '\\$1');
};
/**
* Cast object property to an array if it exists and has a value
*
*/
const propToArray = (obj, key) => {
var value = obj[key];
if (typeof value == 'function') return value;
if (value && !Array.isArray(value)) {
obj[key] = [value];
}
};
/**
* Iterates over arrays and hashes.
*
* ```
* iterate(this.items, function(item, id) {
* // invoked for each item
* });
* ```
*
*/
const iterate = (object, callback) => {
if (Array.isArray(object)) {
object.forEach(callback);
} else {
for (var key in object) {
if (object.hasOwnProperty(key)) {
callback(object[key], key);
}
}
}
};
const cmp = (a, b) => {
if (typeof a === 'number' && typeof b === 'number') {
return a > b ? 1 : a < b ? -1 : 0;
}
a = asciifold(a + '').toLowerCase();
b = asciifold(b + '').toLowerCase();
if (a > b) return 1;
if (b > a) return -1;
return 0;
};
/**
* sifter.js
* Copyright (c) 20132020 Brian Reavis & contributors
*
* 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
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*
* @author Brian Reavis <brian@thirdroute.com>
*/
class Sifter {
// []|{};
/**
* Textually searches arrays and hashes of objects
* by property (or multiple properties). Designed
* specifically for autocomplete.
*
*/
constructor(items, settings) {
this.items = void 0;
this.settings = void 0;
this.items = items;
this.settings = settings || {
diacritics: true
};
}
/**
* Splits a search string into an array of individual
* regexps to be used to match results.
*
*/
tokenize(query, respect_word_boundaries, weights) {
if (!query || !query.length) return [];
const tokens = [];
const words = query.split(/\s+/);
var field_regex;
if (weights) {
field_regex = new RegExp('^(' + Object.keys(weights).map(escape_regex).join('|') + ')\:(.*)$');
}
words.forEach(word => {
let field_match;
let field = null;
let regex = null; // look for "field:query" tokens
if (field_regex && (field_match = word.match(field_regex))) {
field = field_match[1];
word = field_match[2];
}
if (word.length > 0) {
if (this.settings.diacritics) {
regex = diacriticRegexPoints(word);
} else {
regex = escape_regex(word);
}
if (respect_word_boundaries) regex = "\\b" + regex;
}
tokens.push({
string: word,
regex: regex ? new RegExp(regex, 'iu') : null,
field: field
});
});
return tokens;
}
/**
* Returns a function to be used to score individual results.
*
* Good matches will have a higher score than poor matches.
* If an item is not a match, 0 will be returned by the function.
*
* @returns {function}
*/
getScoreFunction(query, options) {
var search = this.prepareSearch(query, options);
return this._getScoreFunction(search);
}
_getScoreFunction(search) {
const tokens = search.tokens,
token_count = tokens.length;
if (!token_count) {
return function () {
return 0;
};
}
const fields = search.options.fields,
weights = search.weights,
field_count = fields.length,
getAttrFn = search.getAttrFn;
if (!field_count) {
return function () {
return 1;
};
}
/**
* Calculates the score of an object
* against the search query.
*
*/
const scoreObject = function () {
if (field_count === 1) {
return function (token, data) {
const field = fields[0].field;
return scoreValue(getAttrFn(data, field), token, weights[field]);
};
}
return function (token, data) {
var sum = 0; // is the token specific to a field?
if (token.field) {
const value = getAttrFn(data, token.field);
if (!token.regex && value) {
sum += 1 / field_count;
} else {
sum += scoreValue(value, token, 1);
}
} else {
iterate(weights, (weight, field) => {
sum += scoreValue(getAttrFn(data, field), token, weight);
});
}
return sum / field_count;
};
}();
if (token_count === 1) {
return function (data) {
return scoreObject(tokens[0], data);
};
}
if (search.options.conjunction === 'and') {
return function (data) {
var i = 0,
score,
sum = 0;
for (; i < token_count; i++) {
score = scoreObject(tokens[i], data);
if (score <= 0) return 0;
sum += score;
}
return sum / token_count;
};
} else {
return function (data) {
var sum = 0;
iterate(tokens, token => {
sum += scoreObject(token, data);
});
return sum / token_count;
};
}
}
/**
* Returns a function that can be used to compare two
* results, for sorting purposes. If no sorting should
* be performed, `null` will be returned.
*
* @return function(a,b)
*/
getSortFunction(query, options) {
var search = this.prepareSearch(query, options);
return this._getSortFunction(search);
}
_getSortFunction(search) {
var i, n, implicit_score;
const self = this,
options = search.options,
sort = !search.query && options.sort_empty ? options.sort_empty : options.sort,
sort_flds = [],
multipliers = [];
if (typeof sort == 'function') {
return sort.bind(this);
}
/**
* Fetches the specified sort field value
* from a search result item.
*
*/
const get_field = function get_field(name, result) {
if (name === '$score') return result.score;
return search.getAttrFn(self.items[result.id], name);
}; // parse options
if (sort) {
for (i = 0, n = sort.length; i < n; i++) {
if (search.query || sort[i].field !== '$score') {
sort_flds.push(sort[i]);
}
}
} // the "$score" field is implied to be the primary
// sort field, unless it's manually specified
if (search.query) {
implicit_score = true;
for (i = 0, n = sort_flds.length; i < n; i++) {
if (sort_flds[i].field === '$score') {
implicit_score = false;
break;
}
}
if (implicit_score) {
sort_flds.unshift({
field: '$score',
direction: 'desc'
});
}
} else {
for (i = 0, n = sort_flds.length; i < n; i++) {
if (sort_flds[i].field === '$score') {
sort_flds.splice(i, 1);
break;
}
}
}
for (i = 0, n = sort_flds.length; i < n; i++) {
multipliers.push(sort_flds[i].direction === 'desc' ? -1 : 1);
} // build function
const sort_flds_count = sort_flds.length;
if (!sort_flds_count) {
return null;
} else if (sort_flds_count === 1) {
const sort_fld = sort_flds[0].field;
const multiplier = multipliers[0];
return function (a, b) {
return multiplier * cmp(get_field(sort_fld, a), get_field(sort_fld, b));
};
} else {
return function (a, b) {
var i, result, field;
for (i = 0; i < sort_flds_count; i++) {
field = sort_flds[i].field;
result = multipliers[i] * cmp(get_field(field, a), get_field(field, b));
if (result) return result;
}
return 0;
};
}
}
/**
* Parses a search query and returns an object
* with tokens and fields ready to be populated
* with results.
*
*/
prepareSearch(query, optsUser) {
const weights = {};
var options = Object.assign({}, optsUser);
propToArray(options, 'sort');
propToArray(options, 'sort_empty'); // convert fields to new format
if (options.fields) {
propToArray(options, 'fields');
const fields = [];
options.fields.forEach(field => {
if (typeof field == 'string') {
field = {
field: field,
weight: 1
};
}
fields.push(field);
weights[field.field] = 'weight' in field ? field.weight : 1;
});
options.fields = fields;
}
return {
options: options,
query: query.toLowerCase().trim(),
tokens: this.tokenize(query, options.respect_word_boundaries, weights),
total: 0,
items: [],
weights: weights,
getAttrFn: options.nesting ? getAttrNesting : getAttr
};
}
/**
* Searches through all items and returns a sorted array of matches.
*
*/
search(query, options) {
var self = this,
score,
search;
search = this.prepareSearch(query, options);
options = search.options;
query = search.query; // generate result scoring function
const fn_score = options.score || self._getScoreFunction(search); // perform search and sort
if (query.length) {
iterate(self.items, (item, id) => {
score = fn_score(item);
if (options.filter === false || score > 0) {
search.items.push({
'score': score,
'id': id
});
}
});
} else {
iterate(self.items, (_, id) => {
search.items.push({
'score': 1,
'id': id
});
});
}
const fn_sort = self._getSortFunction(search);
if (fn_sort) search.items.sort(fn_sort); // apply limits
search.total = search.items.length;
if (typeof options.limit === 'number') {
search.items = search.items.slice(0, options.limit);
}
return search;
}
}
/**
* Return a dom element from either a dom query string, jQuery object, a dom element or html string
* https://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro/35385518#35385518
*
* param query should be {}
*/
const getDom = query => {
if (query.jquery) {
return query[0];
}
if (query instanceof HTMLElement) {
return query;
}
if (isHtmlString(query)) {
let div = document.createElement('div');
div.innerHTML = query.trim(); // Never return a text node of whitespace as the result
return div.firstChild;
}
return document.querySelector(query);
};
const isHtmlString = arg => {
if (typeof arg === 'string' && arg.indexOf('<') > -1) {
return true;
}
return false;
};
const escapeQuery = query => {
return query.replace(/['"\\]/g, '\\$&');
};
/**
* Dispatch an event
*
*/
const triggerEvent = (dom_el, event_name) => {
var event = document.createEvent('HTMLEvents');
event.initEvent(event_name, true, false);
dom_el.dispatchEvent(event);
};
/**
* Apply CSS rules to a dom element
*
*/
const applyCSS = (dom_el, css) => {
Object.assign(dom_el.style, css);
};
/**
* Add css classes
*
*/
const addClasses = (elmts, ...classes) => {
var norm_classes = classesArray(classes);
elmts = castAsArray(elmts);
elmts.map(el => {
norm_classes.map(cls => {
el.classList.add(cls);
});
});
};
/**
* Remove css classes
*
*/
const removeClasses = (elmts, ...classes) => {
var norm_classes = classesArray(classes);
elmts = castAsArray(elmts);
elmts.map(el => {
norm_classes.map(cls => {
el.classList.remove(cls);
});
});
};
/**
* Return arguments
*
*/
const classesArray = args => {
var classes = [];
iterate(args, _classes => {
if (typeof _classes === 'string') {
_classes = _classes.trim().split(/[\11\12\14\15\40]/);
}
if (Array.isArray(_classes)) {
classes = classes.concat(_classes);
}
});
return classes.filter(Boolean);
};
/**
* Create an array from arg if it's not already an array
*
*/
const castAsArray = arg => {
if (!Array.isArray(arg)) {
arg = [arg];
}
return arg;
};
/**
* Get the closest node to the evt.target matching the selector
* Stops at wrapper
*
*/
const parentMatch = (target, selector, wrapper) => {
if (wrapper && !wrapper.contains(target)) {
return;
}
while (target && target.matches) {
if (target.matches(selector)) {
return target;
}
target = target.parentNode;
}
};
/**
* Get the first or last item from an array
*
* > 0 - right (last)
* <= 0 - left (first)
*
*/
const getTail = (list, direction = 0) => {
if (direction > 0) {
return list[list.length - 1];
}
return list[0];
};
/**
* Return true if an object is empty
*
*/
const isEmptyObject = obj => {
return Object.keys(obj).length === 0;
};
/**
* Get the index of an element amongst sibling nodes of the same type
*
*/
const nodeIndex = (el, amongst) => {
if (!el) return -1;
amongst = amongst || el.nodeName;
var i = 0;
while (el = el.previousElementSibling) {
if (el.matches(amongst)) {
i++;
}
}
return i;
};
/**
* Set attributes of an element
*
*/
const setAttr = (el, attrs) => {
iterate(attrs, (val, attr) => {
if (val == null) {
el.removeAttribute(attr);
} else {
el.setAttribute(attr, '' + val);
}
});
};
/**
* Replace a node
*/
const replaceNode = (existing, replacement) => {
if (existing.parentNode) existing.parentNode.replaceChild(replacement, existing);
};
/**
* highlight v3 | MIT license | Johann Burkard <jb@eaio.com>
* Highlights arbitrary terms in a node.
*
* - Modified by Marshal <beatgates@gmail.com> 2011-6-24 (added regex)
* - Modified by Brian Reavis <brian@thirdroute.com> 2012-8-27 (cleanup)
*/
const highlight = (element, regex) => {
if (regex === null) return; // convet string to regex
if (typeof regex === 'string') {
if (!regex.length) return;
regex = new RegExp(regex, 'i');
} // Wrap matching part of text node with highlighting <span>, e.g.
// Soccer -> <span class="highlight">Soc</span>cer for regex = /soc/i
const highlightText = node => {
var match = node.data.match(regex);
if (match && node.data.length > 0) {
var spannode = document.createElement('span');
spannode.className = 'highlight';
var middlebit = node.splitText(match.index);
middlebit.splitText(match[0].length);
var middleclone = middlebit.cloneNode(true);
spannode.appendChild(middleclone);
replaceNode(middlebit, spannode);
return 1;
}
return 0;
}; // Recurse element node, looking for child text nodes to highlight, unless element
// is childless, <script>, <style>, or already highlighted: <span class="hightlight">
const highlightChildren = node => {
if (node.nodeType === 1 && node.childNodes && !/(script|style)/i.test(node.tagName) && (node.className !== 'highlight' || node.tagName !== 'SPAN')) {
for (var i = 0; i < node.childNodes.length; ++i) {
i += highlightRecursive(node.childNodes[i]);
}
}
};
const highlightRecursive = node => {
if (node.nodeType === 3) {
return highlightText(node);
}
highlightChildren(node);
return 0;
};
highlightRecursive(element);
};
/**
* removeHighlight fn copied from highlight v5 and
* edited to remove with(), pass js strict mode, and use without jquery
*/
const removeHighlight = el => {
var elements = el.querySelectorAll("span.highlight");
Array.prototype.forEach.call(elements, function (el) {
var parent = el.parentNode;
parent.replaceChild(el.firstChild, el);
parent.normalize();
});
};
const KEY_A = 65;
const KEY_RETURN = 13;
const KEY_ESC = 27;
const KEY_LEFT = 37;
const KEY_UP = 38;
const KEY_RIGHT = 39;
const KEY_DOWN = 40;
const KEY_BACKSPACE = 8;
const KEY_DELETE = 46;
const KEY_TAB = 9;
const IS_MAC = typeof navigator === 'undefined' ? false : /Mac/.test(navigator.userAgent);
const KEY_SHORTCUT = IS_MAC ? 'metaKey' : 'ctrlKey'; // ctrl key or apple key for ma
var defaults = {
options: [],
optgroups: [],
plugins: [],
delimiter: ',',
splitOn: null,
// regexp or string for splitting up values from a paste command
persist: true,
diacritics: true,
create: null,
createOnBlur: false,
createFilter: null,
highlight: true,
openOnFocus: true,
shouldOpen: null,
maxOptions: 50,
maxItems: null,
hideSelected: null,
duplicates: false,
addPrecedence: false,
selectOnTab: false,
preload: null,
allowEmptyOption: false,
//closeAfterSelect: false,
loadThrottle: 300,
loadingClass: 'loading',
dataAttr: null,
//'data-data',
optgroupField: 'optgroup',
valueField: 'value',
labelField: 'text',
disabledField: 'disabled',
optgroupLabelField: 'label',
optgroupValueField: 'value',
lockOptgroupOrder: false,
sortField: '$order',
searchField: ['text'],
searchConjunction: 'and',
mode: null,
wrapperClass: 'ts-wrapper',
controlClass: 'ts-control',
dropdownClass: 'ts-dropdown',
dropdownContentClass: 'ts-dropdown-content',
itemClass: 'item',
optionClass: 'option',
dropdownParent: null,
controlInput: '<input type="text" autocomplete="off" size="1" />',
copyClassesToDropdown: false,
placeholder: null,
hidePlaceholder: null,
shouldLoad: function (query) {
return query.length > 0;
},
/*
load : null, // function(query, callback) { ... }
score : null, // function(search) { ... }
onInitialize : null, // function() { ... }
onChange : null, // function(value) { ... }
onItemAdd : null, // function(value, $item) { ... }
onItemRemove : null, // function(value) { ... }
onClear : null, // function() { ... }
onOptionAdd : null, // function(value, data) { ... }
onOptionRemove : null, // function(value) { ... }
onOptionClear : null, // function() { ... }
onOptionGroupAdd : null, // function(id, data) { ... }
onOptionGroupRemove : null, // function(id) { ... }
onOptionGroupClear : null, // function() { ... }
onDropdownOpen : null, // function(dropdown) { ... }
onDropdownClose : null, // function(dropdown) { ... }
onType : null, // function(str) { ... }
onDelete : null, // function(values) { ... }
*/
render: {
/*
item: null,
optgroup: null,
optgroup_header: null,
option: null,
option_create: null
*/
}
};
/**
* Converts a scalar to its best string representation
* for hash keys and HTML attribute values.
*
* Transformations:
* 'str' -> 'str'
* null -> ''
* undefined -> ''
* true -> '1'
* false -> '0'
* 0 -> '0'
* 1 -> '1'
*
*/
const hash_key = value => {
if (typeof value === 'undefined' || value === null) return null;
return get_hash(value);
};
const get_hash = value => {
if (typeof value === 'boolean') return value ? '1' : '0';
return value + '';
};
/**
* Escapes a string for use within HTML.
*
*/
const escape_html = str => {
return (str + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
};
/**
* Debounce the user provided load function
*
*/
const loadDebounce = (fn, delay) => {
var timeout;
return function (value, callback) {
var self = this;
if (timeout) {
self.loading = Math.max(self.loading - 1, 0);
clearTimeout(timeout);
}
timeout = setTimeout(function () {
timeout = null;
self.loadedSearches[value] = true;
fn.call(self, value, callback);
}, delay);
};
};
/**
* Debounce all fired events types listed in `types`
* while executing the provided `fn`.
*
*/
const debounce_events = (self, types, fn) => {
var type;
var trigger = self.trigger;
var event_args = {}; // override trigger method
self.trigger = function () {
var type = arguments[0];
if (types.indexOf(type) !== -1) {
event_args[type] = arguments;
} else {
return trigger.apply(self, arguments);
}
}; // invoke provided function
fn.apply(self, []);
self.trigger = trigger; // trigger queued events
for (type of types) {
if (type in event_args) {
trigger.apply(self, event_args[type]);
}
}
};
/**
* Determines the current selection within a text input control.
* Returns an object containing:
* - start
* - length
*
*/
const getSelection = input => {
return {
start: input.selectionStart || 0,
length: (input.selectionEnd || 0) - (input.selectionStart || 0)
};
};
/**
* Prevent default
*
*/
const preventDefault = (evt, stop = false) => {
if (evt) {
evt.preventDefault();
if (stop) {
evt.stopPropagation();
}
}
};
/**
* Prevent default
*
*/
const addEvent = (target, type, callback, options) => {
target.addEventListener(type, callback, options);
};
/**
* Return true if the requested key is down
* Will return false if more than one control character is pressed ( when [ctrl+shift+a] != [ctrl+a] )
* The current evt may not always set ( eg calling advanceSelection() )
*
*/
const isKeyDown = (key_name, evt) => {
if (!evt) {
return false;
}
if (!evt[key_name]) {
return false;
}
var count = (evt.altKey ? 1 : 0) + (evt.ctrlKey ? 1 : 0) + (evt.shiftKey ? 1 : 0) + (evt.metaKey ? 1 : 0);
if (count === 1) {
return true;
}
return false;
};
/**
* Get the id of an element
* If the id attribute is not set, set the attribute with the given id
*
*/
const getId = (el, id) => {
const existing_id = el.getAttribute('id');
if (existing_id) {
return existing_id;
}
el.setAttribute('id', id);
return id;
};
/**
* Returns a string with backslashes added before characters that need to be escaped.
*/
const addSlashes = str => {
return str.replace(/[\\"']/g, '\\$&');
};
/**
*
*/
const append = (parent, node) => {
if (node) parent.append(node);
};
function getSettings(input, settings_user) {
var settings = Object.assign({}, defaults, settings_user);
var attr_data = settings.dataAttr;
var field_label = settings.labelField;
var field_value = settings.valueField;
var field_disabled = settings.disabledField;
var field_optgroup = settings.optgroupField;
var field_optgroup_label = settings.optgroupLabelField;
var field_optgroup_value = settings.optgroupValueField;
var tag_name = input.tagName.toLowerCase();
var placeholder = input.getAttribute('placeholder') || input.getAttribute('data-placeholder');
if (!placeholder && !settings.allowEmptyOption) {
let option = input.querySelector('option[value=""]');
if (option) {
placeholder = option.textContent;
}
}
var settings_element = {
placeholder: placeholder,
options: [],
optgroups: [],
items: [],
maxItems: null
};
/**
* Initialize from a <select> element.
*
*/
var init_select = () => {
var tagName;
var options = settings_element.options;
var optionsMap = {};
var group_count = 1;
var readData = el => {
var data = Object.assign({}, el.dataset); // get plain object from DOMStringMap
var json = attr_data && data[attr_data];
if (typeof json === 'string' && json.length) {
data = Object.assign(data, JSON.parse(json));
}
return data;
};
var addOption = (option, group) => {
var value = hash_key(option.value);
if (value == null) return;
if (!value && !settings.allowEmptyOption) return; // if the option already exists, it's probably been
// duplicated in another optgroup. in this case, push
// the current group to the "optgroup" property on the
// existing option so that it's rendered in both places.
if (optionsMap.hasOwnProperty(value)) {
if (group) {
var arr = optionsMap[value][field_optgroup];
if (!arr) {
optionsMap[value][field_optgroup] = group;
} else if (!Array.isArray(arr)) {
optionsMap[value][field_optgroup] = [arr, group];
} else {
arr.push(group);
}
}
} else {
var option_data = readData(option);
option_data[field_label] = option_data[field_label] || option.textContent;
option_data[field_value] = option_data[field_value] || value;
option_data[field_disabled] = option_data[field_disabled] || option.disabled;
option_data[field_optgroup] = option_data[field_optgroup] || group;
option_data.$option = option;
optionsMap[value] = option_data;
options.push(option_data);
}
if (option.selected) {
settings_element.items.push(value);
}
};
var addGroup = optgroup => {
var id, optgroup_data;
optgroup_data = readData(optgroup);
optgroup_data[field_optgroup_label] = optgroup_data[field_optgroup_label] || optgroup.getAttribute('label') || '';
optgroup_data[field_optgroup_value] = optgroup_data[field_optgroup_value] || group_count++;
optgroup_data[field_disabled] = optgroup_data[field_disabled] || optgroup.disabled;
settings_element.optgroups.push(optgroup_data);
id = optgroup_data[field_optgroup_value];
iterate(optgroup.children, option => {
addOption(option, id);
});
};
settings_element.maxItems = input.hasAttribute('multiple') ? null : 1;
iterate(input.children, child => {
tagName = child.tagName.toLowerCase();
if (tagName === 'optgroup') {
addGroup(child);
} else if (tagName === 'option') {
addOption(child);
}
});
};
/**
* Initialize from a <input type="text"> element.
*
*/
var init_textbox = () => {
const data_raw = input.getAttribute(attr_data);
if (!data_raw) {
var value = input.value.trim() || '';
if (!settings.allowEmptyOption && !value.length) return;
const values = value.split(settings.delimiter);
iterate(values, value => {
const option = {};
option[field_label] = value;
option[field_value] = value;
settings_element.options.push(option);
});
settings_element.items = values;
} else {
settings_element.options = JSON.parse(data_raw);
iterate(settings_element.options, opt => {
settings_element.items.push(opt[field_value]);
});
}
};
if (tag_name === 'select') {
init_select();
} else {
init_textbox();
}
return Object.assign({}, defaults, settings_element, settings_user);
}
var instance_i = 0;
class TomSelect extends MicroPlugin(MicroEvent) {
// @deprecated 1.8
constructor(input_arg, user_settings) {
super();
this.control_input = void 0;
this.wrapper = void 0;
this.dropdown = void 0;
this.control = void 0;
this.dropdown_content = void 0;
this.focus_node = void 0;
this.order = 0;
this.settings = void 0;
this.input = void 0;
this.tabIndex = void 0;
this.is_select_tag = void 0;
this.rtl = void 0;
this.inputId = void 0;
this._destroy = void 0;
this.sifter = void 0;
this.isOpen = false;
this.isDisabled = false;
this.isRequired = void 0;
this.isInvalid = false;
this.isValid = true;
this.isLocked = false;
this.isFocused = false;
this.isInputHidden = false;
this.isSetup = false;
this.ignoreFocus = false;
this.ignoreHover = false;
this.hasOptions = false;
this.currentResults = void 0;
this.lastValue = '';
this.caretPos = 0;
this.loading = 0;
this.loadedSearches = {};
this.activeOption = null;
this.activeItems = [];
this.optgroups = {};
this.options = {};
this.userOptions = {};
this.items = [];
instance_i++;
var dir;
var input = getDom(input_arg);
if (input.tomselect) {
throw new Error('Tom Select already initialized on this element');
}
input.tomselect = this; // detect rtl environment
var computedStyle = window.getComputedStyle && window.getComputedStyle(input, null);
dir = computedStyle.getPropertyValue('direction'); // setup default state
const settings = getSettings(input, user_settings);
this.settings = settings;
this.input = input;
this.tabIndex = input.tabIndex || 0;
this.is_select_tag = input.tagName.toLowerCase() === 'select';
this.rtl = /rtl/i.test(dir);
this.inputId = getId(input, 'tomselect-' + instance_i);
this.isRequired = input.required; // search system
this.sifter = new Sifter(this.options, {
diacritics: settings.diacritics
}); // option-dependent defaults
settings.mode = settings.mode || (settings.maxItems === 1 ? 'single' : 'multi');
if (typeof settings.hideSelected !== 'boolean') {
settings.hideSelected = settings.mode === 'multi';
}
if (typeof settings.hidePlaceholder !== 'boolean') {
settings.hidePlaceholder = settings.mode !== 'multi';
} // set up createFilter callback
var filter = settings.createFilter;
if (typeof filter !== 'function') {
if (typeof filter === 'string') {
filter = new RegExp(filter);
}
if (filter instanceof RegExp) {
settings.createFilter = input => filter.test(input);
} else {
settings.createFilter = value => {
return this.settings.duplicates || !this.options[value];
};
}
}
this.initializePlugins(settings.plugins);
this.setupCallbacks();
this.setupTemplates(); // Create all elements
const wrapper = getDom('<div>');
const control = getDom('<div>');
const dropdown = this._render('dropdown');
const dropdown_content = getDom(`<div role="listbox" tabindex="-1">`);
const classes = this.input.getAttribute('class') || '';
const inputMode = settings.mode;
var control_input;
addClasses(wrapper, settings.wrapperClass, classes, inputMode);
addClasses(control, settings.controlClass);
append(wrapper, control);
addClasses(dropdown, settings.dropdownClass, inputMode);
if (settings.copyClassesToDropdown) {
addClasses(dropdown, classes);
}
addClasses(dropdown_content, settings.dropdownContentClass);
append(dropdown, dropdown_content);
getDom(settings.dropdownParent || wrapper).appendChild(dropdown); // default controlInput
if (isHtmlString(settings.controlInput)) {
control_input = getDom(settings.controlInput); // set attributes
var attrs = ['autocorrect', 'autocapitalize', 'autocomplete'];
iterate(attrs, attr => {
if (input.getAttribute(attr)) {
setAttr(control_input, {
[attr]: input.getAttribute(attr)
});
}
});
control_input.tabIndex = -1;
control.appendChild(control_input);
this.focus_node = control_input; // dom element
} else if (settings.controlInput) {
control_input = getDom(settings.controlInput);
this.focus_node = control_input;
} else {
control_input = getDom('<input/>');
this.focus_node = control;
}
this.wrapper = wrapper;
this.dropdown = dropdown;
this.dropdown_content = dropdown_content;
this.control = control;
this.control_input = control_input;
this.setup();
}
/**
* set up event bindings.
*
*/
setup() {
const self = this;
const settings = self.settings;
const control_input = self.control_input;
const dropdown = self.dropdown;
const dropdown_content = self.dropdown_content;
const wrapper = self.wrapper;
const control = self.control;
const input = self.input;
const focus_node = self.focus_node;
const passive_event = {
passive: true
};
const listboxId = self.inputId + '-ts-dropdown';
setAttr(dropdown_content, {
id: listboxId
});
setAttr(focus_node, {
role: 'combobox',
'aria-haspopup': 'listbox',
'aria-expanded': 'false',
'aria-controls': listboxId
});
const control_id = getId(focus_node, self.inputId + '-ts-control');
const query = "label[for='" + escapeQuery(self.inputId) + "']";
const label = document.querySelector(query);
const label_click = self.focus.bind(self);
if (label) {
addEvent(label, 'click', label_click);
setAttr(label, {
for: control_id
});
const label_id = getId(label, self.inputId + '-ts-label');
setAttr(focus_node, {
'aria-labelledby': label_id
});
setAttr(dropdown_content, {
'aria-labelledby': label_id
});
}
wrapper.style.width = input.style.width;
if (self.plugins.names.length) {
const classes_plugins = 'plugin-' + self.plugins.names.join(' plugin-');
addClasses([wrapper, dropdown], classes_plugins);
}
if ((settings.maxItems === null || settings.maxItems > 1) && self.is_select_tag) {
setAttr(input, {
multiple: 'multiple'
});
}
if (settings.placeholder) {
setAttr(control_input, {
placeholder: settings.placeholder
});
} // if splitOn was not passed in, construct it from the delimiter to allow pasting universally
if (!settings.splitOn && settings.delimiter) {
settings.splitOn = new RegExp('\\s*' + escape_regex(settings.delimiter) + '+\\s*');
} // debounce user defined load() if loadThrottle > 0
// after initializePlugins() so plugins can create/modify user defined loaders
if (settings.load && settings.loadThrottle) {
settings.load = loadDebounce(settings.load, settings.loadThrottle);
}
self.control_input.type = input.type;
addEvent(dropdown, 'mouseenter', e => {
var target_match = parentMatch(e.target, '[data-selectable]', dropdown);
if (target_match) self.onOptionHover(e, target_match);
}, {
capture: true
}); // clicking on an option should select it
addEvent(dropdown, 'click', evt => {
const option = parentMatch(evt.target, '[data-selectable]');
if (option) {
self.onOptionSelect(evt, option);
preventDefault(evt, true);
}
});
addEvent(control, 'click', evt => {
var target_match = parentMatch(evt.target, '[data-ts-item]', control);
if (target_match && self.onItemSelect(evt, target_match)) {
preventDefault(evt, true);
return;
} // retain focus (see control_input mousedown)
if (control_input.value != '') {
return;
}
self.onClick();
preventDefault(evt, true);
}); // keydown on focus_node for arrow_down/arrow_up
addEvent(focus_node, 'keydown', e => self.onKeyDown(e)); // keypress and input/keyup
addEvent(control_input, 'keypress', e => self.onKeyPress(e));
addEvent(control_input, 'input', e => self.onInput(e));
addEvent(focus_node, 'resize', () => self.positionDropdown(), passive_event);
addEvent(focus_node, 'blur', e => self.onBlur(e));
addEvent(focus_node, 'focus', e => self.onFocus(e));
addEvent(control_input, 'paste', e => self.onPaste(e));
const doc_mousedown = evt => {
// blur if target is outside of this instance
// dropdown is not always inside wrapper
const target = evt.composedPath()[0];
if (!wrapper.contains(target) && !dropdown.contains(target)) {
if (self.isFocused) {
self.blur();
}
self.inputState();
return;
} // retain focus by preventing native handling. if the
// event target is the input it should not be modified.
// otherwise, text selection within the input won't work.
// Fixes bug #212 which is no covered by tests
if (target == control_input && self.isOpen) {
evt.stopPropagation(); // clicking anywhere in the control should not blur the control_input (which would close the dropdown)
} else {
preventDefault(evt, true);
}
};
const win_scroll = () => {
if (self.isOpen) {
self.positionDropdown();
}
};
const win_hover = () => {
self.ignoreHover = false;
};
addEvent(document, 'mousedown', doc_mousedown);
addEvent(window, 'scroll', win_scroll, passive_event);
addEvent(window, 'resize', win_scroll, passive_event);
addEvent(window, 'mousemove', win_hover, passive_event);
this._destroy = () => {
document.removeEventListener('mousedown', doc_mousedown);
window.removeEventListener('mousemove', win_hover);
window.removeEventListener('scroll', win_scroll);
window.removeEventListener('resize', win_scroll);
if (label) label.removeEventListener('click', label_click);
}; // store original html and tab index so that they can be
// restored when the destroy() method is called.
this.revertSettings = {
innerHTML: input.innerHTML,
tabIndex: input.tabIndex
};
input.tabIndex = -1;
input.insertAdjacentElement('afterend', self.wrapper);
self.sync(false);
settings.items = [];
delete settings.optgroups;
delete settings.options;
addEvent(input, 'invalid', e => {
if (self.isValid) {
self.isValid = false;
self.isInvalid = true;
self.refreshState();
}
});
self.updateOriginalInput();
self.refreshItems();
self.close(false);
self.inputState();
self.isSetup = true;
if (input.disabled) {
self.disable();
} else {
self.enable(); //sets tabIndex
}
self.on('change', this.onChange);
addClasses(input, 'tomselected', 'ts-hidden-accessible');
self.trigger('initialize'); // preload options
if (settings.preload === true) {
self.preload();
}
}
/**
* Register options and optgroups
*
*/
setupOptions(options = [], optgroups = []) {
// build options table
this.addOptions(options); // build optgroup table
iterate(optgroups, optgroup => {
this.registerOptionGroup(optgroup);
});
}
/**
* Sets up default rendering functions.
*/
setupTemplates() {
var self = this;
var field_label = self.settings.labelField;
var field_optgroup = self.settings.optgroupLabelField;
var templates = {
'optgroup': data => {
let optgroup = document.createElement('div');
optgroup.className = 'optgroup';
optgroup.appendChild(data.options);
return optgroup;
},
'optgroup_header': (data, escape) => {
return '<div class="optgroup-header">' + escape(data[field_optgroup]) + '</div>';
},
'option': (data, escape) => {
return '<div>' + escape(data[field_label]) + '</div>';
},
'item': (data, escape) => {
return '<div>' + escape(data[field_label]) + '</div>';
},
'option_create': (data, escape) => {
return '<div class="create">Add <strong>' + escape(data.input) + '</strong>&hellip;</div>';
},
'no_results': () => {
return '<div class="no-results">No results found</div>';
},
'loading': () => {
return '<div class="spinner"></div>';
},
'not_loading': () => {},
'dropdown': () => {
return '<div></div>';
}
};
self.settings.render = Object.assign({}, templates, self.settings.render);
}
/**
* Maps fired events to callbacks provided
* in the settings used when creating the control.
*/
setupCallbacks() {
var key, fn;
var callbacks = {
'initialize': 'onInitialize',
'change': 'onChange',
'item_add': 'onItemAdd',
'item_remove': 'onItemRemove',
'item_select': 'onItemSelect',
'clear': 'onClear',
'option_add': 'onOptionAdd',
'option_remove': 'onOptionRemove',
'option_clear': 'onOptionClear',
'optgroup_add': 'onOptionGroupAdd',
'optgroup_remove': 'onOptionGroupRemove',
'optgroup_clear': 'onOptionGroupClear',
'dropdown_open': 'onDropdownOpen',
'dropdown_close': 'onDropdownClose',
'type': 'onType',
'load': 'onLoad',
'focus': 'onFocus',
'blur': 'onBlur'
};
for (key in callbacks) {
fn = this.settings[callbacks[key]];
if (fn) this.on(key, fn);
}
}
/**
* Sync the Tom Select instance with the original input or select
*
*/
sync(get_settings = true) {
const self = this;
const settings = get_settings ? getSettings(self.input, {
delimiter: self.settings.delimiter
}) : self.settings;
self.setupOptions(settings.options, settings.optgroups);
self.setValue(settings.items || [], true); // silent prevents recursion
self.lastQuery = null; // so updated options will be displayed in dropdown
}
/**
* Triggered when the main control element
* has a click event.
*
*/
onClick() {
var self = this;
if (self.activeItems.length > 0) {
self.clearActiveItems();
self.focus();
return;
}
if (self.isFocused && self.isOpen) {
self.blur();
} else {
self.focus();
}
}
/**
* @deprecated v1.7
*
*/
onMouseDown() {}
/**
* Triggered when the value of the control has been changed.
* This should propagate the event to the original DOM
* input / select element.
*/
onChange() {
triggerEvent(this.input, 'input');
triggerEvent(this.input, 'change');
}
/**
* Triggered on <input> paste.
*
*/
onPaste(e) {
var self = this;
if (self.isInputHidden || self.isLocked) {
preventDefault(e);
return;
} // If a regex or string is included, this will split the pasted
// input and create Items for each separate value
if (!self.settings.splitOn) {
return;
} // Wait for pasted text to be recognized in value
setTimeout(() => {
var pastedText = self.inputValue();
if (!pastedText.match(self.settings.splitOn)) {
return;
}
var splitInput = pastedText.trim().split(self.settings.splitOn);
iterate(splitInput, piece => {
piece = hash_key(piece);
if (this.options[piece]) {
self.addItem(piece);
} else {
self.createItem(piece);
}
});
}, 0);
}
/**
* Triggered on <input> keypress.
*
*/
onKeyPress(e) {
var self = this;
if (self.isLocked) {
preventDefault(e);
return;
}
var character = String.fromCharCode(e.keyCode || e.which);
if (self.settings.create && self.settings.mode === 'multi' && character === self.settings.delimiter) {
self.createItem();
preventDefault(e);
return;
}
}
/**
* Triggered on <input> keydown.
*
*/
onKeyDown(e) {
var self = this;
self.ignoreHover = true;
if (self.isLocked) {
if (e.keyCode !== KEY_TAB) {
preventDefault(e);
}
return;
}
switch (e.keyCode) {
// ctrl+A: select all
case KEY_A:
if (isKeyDown(KEY_SHORTCUT, e)) {
if (self.control_input.value == '') {
preventDefault(e);
self.selectAll();
return;
}
}
break;
// esc: close dropdown
case KEY_ESC:
if (self.isOpen) {
preventDefault(e, true);
self.close();
}
self.clearActiveItems();
return;
// down: open dropdown or move selection down
case KEY_DOWN:
if (!self.isOpen && self.hasOptions) {
self.open();
} else if (self.activeOption) {
let next = self.getAdjacent(self.activeOption, 1);
if (next) self.setActiveOption(next);
}
preventDefault(e);
return;
// up: move selection up
case KEY_UP:
if (self.activeOption) {
let prev = self.getAdjacent(self.activeOption, -1);
if (prev) self.setActiveOption(prev);
}
preventDefault(e);
return;
// return: select active option
case KEY_RETURN:
if (self.canSelect(self.activeOption)) {
self.onOptionSelect(e, self.activeOption);
preventDefault(e); // if the option_create=null, the dropdown might be closed
} else if (self.settings.create && self.createItem()) {
preventDefault(e); // don't submit form when searching for a value
} else if (document.activeElement == self.control_input && self.isOpen) {
preventDefault(e);
}
return;
// left: modifiy item selection to the left
case KEY_LEFT:
self.advanceSelection(-1, e);
return;
// right: modifiy item selection to the right
case KEY_RIGHT:
self.advanceSelection(1, e);
return;
// tab: select active option and/or create item
case KEY_TAB:
if (self.settings.selectOnTab) {
if (self.canSelect(self.activeOption)) {
self.onOptionSelect(e, self.activeOption); // prevent default [tab] behaviour of jump to the next field
// if select isFull, then the dropdown won't be open and [tab] will work normally
preventDefault(e);
}
if (self.settings.create && self.createItem()) {
preventDefault(e);
}
}
return;
// delete|backspace: delete items
case KEY_BACKSPACE:
case KEY_DELETE:
self.deleteSelection(e);
return;
} // don't enter text in the control_input when active items are selected
if (self.isInputHidden && !isKeyDown(KEY_SHORTCUT, e)) {
preventDefault(e);
}
}
/**
* Triggered on <input> keyup.
*
*/
onInput(e) {
var self = this;
if (self.isLocked) {
return;
}
var value = self.inputValue();
if (self.lastValue !== value) {
self.lastValue = value;
if (self.settings.shouldLoad.call(self, value)) {
self.load(value);
}
self.refreshOptions();
self.trigger('type', value);
}
}
/**
* Triggered when the user rolls over
* an option in the autocomplete dropdown menu.
*
*/
onOptionHover(evt, option) {
if (this.ignoreHover) return;
this.setActiveOption(option, false);
}
/**
* Triggered on <input> focus.
*
*/
onFocus(e) {
var self = this;
var wasFocused = self.isFocused;
if (self.isDisabled) {
self.blur();
preventDefault(e);
return;
}
if (self.ignoreFocus) return;
self.isFocused = true;
if (self.settings.preload === 'focus') self.preload();
if (!wasFocused) self.trigger('focus');
if (!self.activeItems.length) {
self.showInput();
self.refreshOptions(!!self.settings.openOnFocus);
}
self.refreshState();
}
/**
* Triggered on <input> blur.
*
*/
onBlur(e) {
if (document.hasFocus() === false) return;
var self = this;
if (!self.isFocused) return;
self.isFocused = false;
self.ignoreFocus = false;
var deactivate = () => {
self.close();
self.setActiveItem();
self.setCaret(self.items.length);
self.trigger('blur');
};
if (self.settings.create && self.settings.createOnBlur) {
self.createItem(null, false, deactivate);
} else {
deactivate();
}
}
/**
* Triggered when the user clicks on an option
* in the autocomplete dropdown menu.
*
*/
onOptionSelect(evt, option) {
var value,
self = this; // should not be possible to trigger a option under a disabled optgroup
if (option.parentElement && option.parentElement.matches('[data-disabled]')) {
return;
}
if (option.classList.contains('create')) {
self.createItem(null, true, () => {
if (self.settings.closeAfterSelect) {
self.close();
}
});
} else {
value = option.dataset.value;
if (typeof value !== 'undefined') {
self.lastQuery = null;
self.addItem(value);
if (self.settings.closeAfterSelect) {
self.close();
}
if (!self.settings.hideSelected && evt.type && /click/.test(evt.type)) {
self.setActiveOption(option);
}
}
}
}
/**
* Return true if the given option can be selected
*
*/
canSelect(option) {
if (this.isOpen && option && this.dropdown_content.contains(option)) {
return true;
}
return false;
}
/**
* Triggered when the user clicks on an item
* that has been selected.
*
*/
onItemSelect(evt, item) {
var self = this;
if (!self.isLocked && self.settings.mode === 'multi') {
preventDefault(evt);
self.setActiveItem(item, evt);
return true;
}
return false;
}
/**
* Determines whether or not to invoke
* the user-provided option provider / loader
*
* Note, there is a subtle difference between
* this.canLoad() and this.settings.shouldLoad();
*
* - settings.shouldLoad() is a user-input validator.
* When false is returned, the not_loading template
* will be added to the dropdown
*
* - canLoad() is lower level validator that checks
* the Tom Select instance. There is no inherent user
* feedback when canLoad returns false
*
*/
canLoad(value) {
if (!this.settings.load) return false;
if (this.loadedSearches.hasOwnProperty(value)) return false;
return true;
}
/**
* Invokes the user-provided option provider / loader.
*
*/
load(value) {
const self = this;
if (!self.canLoad(value)) return;
addClasses(self.wrapper, self.settings.loadingClass);
self.loading++;
const callback = self.loadCallback.bind(self);
self.settings.load.call(self, value, callback);
}
/**
* Invoked by the user-provided option provider
*
*/
loadCallback(options, optgroups) {
const self = this;
self.loading = Math.max(self.loading - 1, 0);
self.lastQuery = null;
self.clearActiveOption(); // when new results load, focus should be on first option
self.setupOptions(options, optgroups);
self.refreshOptions(self.isFocused && !self.isInputHidden);
if (!self.loading) {
removeClasses(self.wrapper, self.settings.loadingClass);
}
self.trigger('load', options, optgroups);
}
preload() {
var classList = this.wrapper.classList;
if (classList.contains('preloaded')) return;
classList.add('preloaded');
this.load('');
}
/**
* Sets the input field of the control to the specified value.
*
*/
setTextboxValue(value = '') {
var input = this.control_input;
var changed = input.value !== value;
if (changed) {
input.value = value;
triggerEvent(input, 'update');
this.lastValue = value;
}
}
/**
* Returns the value of the control. If multiple items
* can be selected (e.g. <select multiple>), this returns
* an array. If only one item can be selected, this
* returns a string.
*
*/
getValue() {
if (this.is_select_tag && this.input.hasAttribute('multiple')) {
return this.items;
}
return this.items.join(this.settings.delimiter);
}
/**
* Resets the selected items to the given value.
*
*/
setValue(value, silent) {
var events = silent ? [] : ['change'];
debounce_events(this, events, () => {
this.clear(silent);
this.addItems(value, silent);
});
}
/**
* Resets the number of max items to the given value
*
*/
setMaxItems(value) {
if (value === 0) value = null; //reset to unlimited items.
this.settings.maxItems = value;
this.refreshState();
}
/**
* Sets the selected item.
*
*/
setActiveItem(item, e) {
var self = this;
var eventName;
var i, begin, end, swap;
var last;
if (self.settings.mode === 'single') return; // clear the active selection
if (!item) {
self.clearActiveItems();
if (self.isFocused) {
self.showInput();
}
return;
} // modify selection
eventName = e && e.type.toLowerCase();
if (eventName === 'click' && isKeyDown('shiftKey', e) && self.activeItems.length) {
last = self.getLastActive();
begin = Array.prototype.indexOf.call(self.control.children, last);
end = Array.prototype.indexOf.call(self.control.children, item);
if (begin > end) {
swap = begin;
begin = end;
end = swap;
}
for (i = begin; i <= end; i++) {
item = self.control.children[i];
if (self.activeItems.indexOf(item) === -1) {
self.setActiveItemClass(item);
}
}
preventDefault(e);
} else if (eventName === 'click' && isKeyDown(KEY_SHORTCUT, e) || eventName === 'keydown' && isKeyDown('shiftKey', e)) {
if (item.classList.contains('active')) {
self.removeActiveItem(item);
} else {
self.setActiveItemClass(item);
}
} else {
self.clearActiveItems();
self.setActiveItemClass(item);
} // ensure control has focus
self.hideInput();
if (!self.isFocused) {
self.focus();
}
}
/**
* Set the active and last-active classes
*
*/
setActiveItemClass(item) {
const self = this;
const last_active = self.control.querySelector('.last-active');
if (last_active) removeClasses(last_active, 'last-active');
addClasses(item, 'active last-active');
self.trigger('item_select', item);
if (self.activeItems.indexOf(item) == -1) {
self.activeItems.push(item);
}
}
/**
* Remove active item
*
*/
removeActiveItem(item) {
var idx = this.activeItems.indexOf(item);
this.activeItems.splice(idx, 1);
removeClasses(item, 'active');
}
/**
* Clears all the active items
*
*/
clearActiveItems() {
removeClasses(this.activeItems, 'active');
this.activeItems = [];
}
/**
* Sets the selected item in the dropdown menu
* of available options.
*
*/
setActiveOption(option, scroll = true) {
if (option === this.activeOption) {
return;
}
this.clearActiveOption();
if (!option) return;
this.activeOption = option;
setAttr(this.focus_node, {
'aria-activedescendant': option.getAttribute('id')
});
setAttr(option, {
'aria-selected': 'true'
});
addClasses(option, 'active');
if (scroll) this.scrollToOption(option);
}
/**
* Sets the dropdown_content scrollTop to display the option
*
*/
scrollToOption(option, behavior) {
if (!option) return;
const content = this.dropdown_content;
const height_menu = content.clientHeight;
const scrollTop = content.scrollTop || 0;
const height_item = option.offsetHeight;
const y = option.getBoundingClientRect().top - content.getBoundingClientRect().top + scrollTop;
if (y + height_item > height_menu + scrollTop) {
this.scroll(y - height_menu + height_item, behavior);
} else if (y < scrollTop) {
this.scroll(y, behavior);
}
}
/**
* Scroll the dropdown to the given position
*
*/
scroll(scrollTop, behavior) {
const content = this.dropdown_content;
if (behavior) {
content.style.scrollBehavior = behavior;
}
content.scrollTop = scrollTop;
content.style.scrollBehavior = '';
}
/**
* Clears the active option
*
*/
clearActiveOption() {
if (this.activeOption) {
removeClasses(this.activeOption, 'active');
setAttr(this.activeOption, {
'aria-selected': null
});
}
this.activeOption = null;
setAttr(this.focus_node, {
'aria-activedescendant': null
});
}
/**
* Selects all items (CTRL + A).
*/
selectAll() {
const self = this;
if (self.settings.mode === 'single') return;
const activeItems = self.controlChildren();
if (!activeItems.length) return;
self.hideInput();
self.close();
self.activeItems = activeItems;
iterate(activeItems, item => {
self.setActiveItemClass(item);
});
}
/**
* Determines if the control_input should be in a hidden or visible state
*
*/
inputState() {
var self = this;
if (!self.control.contains(self.control_input)) return;
setAttr(self.control_input, {
placeholder: self.settings.placeholder
});
if (self.activeItems.length > 0 || !self.isFocused && self.settings.hidePlaceholder && self.items.length > 0) {
self.setTextboxValue();
self.isInputHidden = true;
} else {
if (self.settings.hidePlaceholder && self.items.length > 0) {
setAttr(self.control_input, {
placeholder: ''
});
}
self.isInputHidden = false;
}
self.wrapper.classList.toggle('input-hidden', self.isInputHidden);
}
/**
* Hides the input element out of view, while
* retaining its focus.
* @deprecated 1.3
*/
hideInput() {
this.inputState();
}
/**
* Restores input visibility.
* @deprecated 1.3
*/
showInput() {
this.inputState();
}
/**
* Get the input value
*/
inputValue() {
return this.control_input.value.trim();
}
/**
* Gives the control focus.
*/
focus() {
var self = this;
if (self.isDisabled) return;
self.ignoreFocus = true;
if (self.control_input.offsetWidth) {
self.control_input.focus();
} else {
self.focus_node.focus();
}
setTimeout(() => {
self.ignoreFocus = false;
self.onFocus();
}, 0);
}
/**
* Forces the control out of focus.
*
*/
blur() {
this.focus_node.blur();
this.onBlur();
}
/**
* Returns a function that scores an object
* to show how good of a match it is to the
* provided query.
*
* @return {function}
*/
getScoreFunction(query) {
return this.sifter.getScoreFunction(query, this.getSearchOptions());
}
/**
* Returns search options for sifter (the system
* for scoring and sorting results).
*
* @see https://github.com/orchidjs/sifter.js
* @return {object}
*/
getSearchOptions() {
var settings = this.settings;
var sort = settings.sortField;
if (typeof settings.sortField === 'string') {
sort = [{
field: settings.sortField
}];
}
return {
fields: settings.searchField,
conjunction: settings.searchConjunction,
sort: sort,
nesting: settings.nesting
};
}
/**
* Searches through available options and returns
* a sorted array of matches.
*
*/
search(query) {
var i, result, calculateScore;
var self = this;
var options = this.getSearchOptions(); // validate user-provided result scoring function
if (self.settings.score) {
calculateScore = self.settings.score.call(self, query);
if (typeof calculateScore !== 'function') {
throw new Error('Tom Select "score" setting must be a function that returns a function');
}
} // perform search
if (query !== self.lastQuery) {
self.lastQuery = query;
result = self.sifter.search(query, Object.assign(options, {
score: calculateScore
}));
self.currentResults = result;
} else {
result = Object.assign({}, self.currentResults);
} // filter out selected items
if (self.settings.hideSelected) {
for (i = result.items.length - 1; i >= 0; i--) {
let hashed = hash_key(result.items[i].id);
if (hashed && self.items.indexOf(hashed) !== -1) {
result.items.splice(i, 1);
}
}
}
return result;
}
/**
* Refreshes the list of available options shown
* in the autocomplete dropdown menu.
*
*/
refreshOptions(triggerDropdown = true) {
var i, j, k, n, optgroup, optgroups, html, has_create_option, active_group;
var create;
const groups = {};
const groups_order = [];
var self = this;
var query = self.inputValue();
const same_query = query === self.lastQuery || (query == '' && self.lastQuery == null);
var results = self.search(query);
var active_option = null;
var show_dropdown = self.settings.shouldOpen || false;
var dropdown_content = self.dropdown_content;
if( same_query ){
active_option = self.activeOption;
if( active_option ){
active_group = active_option.closest('[data-group]');
}
}
// build markup
n = results.items.length;
if (typeof self.settings.maxOptions === 'number') {
n = Math.min(n, self.settings.maxOptions);
}
if (n > 0) {
show_dropdown = true;
} // render and group available options individually
for (i = 0; i < n; i++) {
// get option dom element
let opt_value = results.items[i].id;
let option = self.options[opt_value];
let option_el = self.getOption(opt_value, true); // toggle 'selected' class
if (!self.settings.hideSelected) {
option_el.classList.toggle('selected', self.items.includes(opt_value));
}
optgroup = option[self.settings.optgroupField] || '';
optgroups = Array.isArray(optgroup) ? optgroup : [optgroup];
for (j = 0, k = optgroups && optgroups.length; j < k; j++) {
optgroup = optgroups[j];
if (!self.optgroups.hasOwnProperty(optgroup)) {
optgroup = '';
}
if (!groups.hasOwnProperty(optgroup)) {
groups[optgroup] = document.createDocumentFragment();
groups_order.push(optgroup);
} // nodes can only have one parent, so if the option is in mutple groups, we need a clone
if (j > 0) {
option_el = option_el.cloneNode(true);
setAttr(option_el, {
id: option.$id + '-clone-' + j,
'aria-selected': null
});
option_el.classList.add('ts-cloned');
removeClasses(option_el, 'active');
// make sure we keep the activeOption in the same group
if (self.activeOption && self.activeOption.dataset.value == opt_value) {
if (active_group && active_group.dataset.group === optgroup.toString()) {
active_option = option_el;
}
}
}
groups[optgroup].appendChild(option_el);
}
} // sort optgroups
if (this.settings.lockOptgroupOrder) {
groups_order.sort((a, b) => {
var a_order = self.optgroups[a] && self.optgroups[a].$order || 0;
var b_order = self.optgroups[b] && self.optgroups[b].$order || 0;
return a_order - b_order;
});
} // render optgroup headers & join groups
html = document.createDocumentFragment();
iterate(groups_order, optgroup => {
if (self.optgroups.hasOwnProperty(optgroup) && groups[optgroup].children.length) {
let group_options = document.createDocumentFragment();
let header = self.render('optgroup_header', self.optgroups[optgroup]);
append(group_options, header);
append(group_options, groups[optgroup]);
let group_html = self.render('optgroup', {
group: self.optgroups[optgroup],
options: group_options
});
append(html, group_html);
} else {
append(html, groups[optgroup]);
}
});
dropdown_content.innerHTML = '';
append(dropdown_content, html); // highlight matching terms inline
if (self.settings.highlight) {
removeHighlight(dropdown_content);
if (results.query.length && results.tokens.length) {
iterate(results.tokens, tok => {
highlight(dropdown_content, tok.regex);
});
}
} // helper method for adding templates to dropdown
var add_template = template => {
let content = self.render(template, {
input: query
});
if (content) {
show_dropdown = true;
dropdown_content.insertBefore(content, dropdown_content.firstChild);
}
return content;
}; // add loading message
if (self.loading) {
add_template('loading'); // invalid query
} else if (!self.settings.shouldLoad.call(self, query)) {
add_template('not_loading'); // add no_results message
} else if (results.items.length === 0) {
add_template('no_results');
} // add create option
has_create_option = self.canCreate(query);
if (has_create_option) {
create = add_template('option_create');
} // activate
self.hasOptions = results.items.length > 0 || has_create_option;
if (show_dropdown) {
if (results.items.length > 0) {
if (!active_option && self.settings.mode === 'single' && self.items.length) {
active_option = self.getOption(self.items[0]);
}
if (!dropdown_content.contains(active_option)) {
let active_index = 0;
if (create && !self.settings.addPrecedence) {
active_index = 1;
}
active_option = self.selectable()[active_index];
}
} else if (create) {
active_option = create;
}
if (triggerDropdown && !self.isOpen) {
self.open();
self.scrollToOption(active_option, 'auto');
}
self.setActiveOption(active_option);
} else {
self.clearActiveOption();
if (triggerDropdown && self.isOpen) {
self.close(false); // if create_option=null, we want the dropdown to close but not reset the textbox value
}
}
}
/**
* Return list of selectable options
*
*/
selectable() {
return this.dropdown_content.querySelectorAll('[data-selectable]');
}
/**
* Adds an available option. If it already exists,
* nothing will happen. Note: this does not refresh
* the options list dropdown (use `refreshOptions`
* for that).
*
* Usage:
*
* this.addOption(data)
*
*/
addOption(data, user_created = false) {
const self = this; // @deprecated 1.7.7
// use addOptions( array, user_created ) for adding multiple options
if (Array.isArray(data)) {
self.addOptions(data, user_created);
return false;
}
const key = hash_key(data[self.settings.valueField]);
if (key === null || self.options.hasOwnProperty(key)) {
return false;
}
data.$order = data.$order || ++self.order;
data.$id = self.inputId + '-opt-' + data.$order;
self.options[key] = data;
self.lastQuery = null;
if (user_created) {
self.userOptions[key] = user_created;
self.trigger('option_add', key, data);
}
return key;
}
/**
* Add multiple options
*
*/
addOptions(data, user_created = false) {
iterate(data, dat => {
this.addOption(dat, user_created);
});
}
/**
* @deprecated 1.7.7
*/
registerOption(data) {
return this.addOption(data);
}
/**
* Registers an option group to the pool of option groups.
*
* @return {boolean|string}
*/
registerOptionGroup(data) {
var key = hash_key(data[this.settings.optgroupValueField]);
if (key === null) return false;
data.$order = data.$order || ++this.order;
this.optgroups[key] = data;
return key;
}
/**
* Registers a new optgroup for options
* to be bucketed into.
*
*/
addOptionGroup(id, data) {
var hashed_id;
data[this.settings.optgroupValueField] = id;
if (hashed_id = this.registerOptionGroup(data)) {
this.trigger('optgroup_add', hashed_id, data);
}
}
/**
* Removes an existing option group.
*
*/
removeOptionGroup(id) {
if (this.optgroups.hasOwnProperty(id)) {
delete this.optgroups[id];
this.clearCache();
this.trigger('optgroup_remove', id);
}
}
/**
* Clears all existing option groups.
*/
clearOptionGroups() {
this.optgroups = {};
this.clearCache();
this.trigger('optgroup_clear');
}
/**
* Updates an option available for selection. If
* it is visible in the selected items or options
* dropdown, it will be re-rendered automatically.
*
*/
updateOption(value, data) {
const self = this;
var item_new;
var index_item;
const value_old = hash_key(value);
const value_new = hash_key(data[self.settings.valueField]); // sanity checks
if (value_old === null) return;
if (!self.options.hasOwnProperty(value_old)) return;
if (typeof value_new !== 'string') throw new Error('Value must be set in option data');
const option = self.getOption(value_old);
const item = self.getItem(value_old);
data.$order = data.$order || self.options[value_old].$order;
delete self.options[value_old]; // invalidate render cache
// don't remove existing node yet, we'll remove it after replacing it
self.uncacheValue(value_new);
self.options[value_new] = data; // update the option if it's in the dropdown
if (option) {
if (self.dropdown_content.contains(option)) {
const option_new = self._render('option', data);
replaceNode(option, option_new);
if (self.activeOption === option) {
self.setActiveOption(option_new);
}
}
option.remove();
} // update the item if we have one
if (item) {
index_item = self.items.indexOf(value_old);
if (index_item !== -1) {
self.items.splice(index_item, 1, value_new);
}
item_new = self._render('item', data);
if (item.classList.contains('active')) addClasses(item_new, 'active');
replaceNode(item, item_new);
} // invalidate last query because we might have updated the sortField
self.lastQuery = null;
}
/**
* Removes a single option.
*
*/
removeOption(value, silent) {
const self = this;
value = get_hash(value);
self.uncacheValue(value);
delete self.userOptions[value];
delete self.options[value];
self.lastQuery = null;
self.trigger('option_remove', value);
self.removeItem(value, silent);
}
/**
* Clears all options.
*/
clearOptions(filter) {
const boundFilter = (filter || this.clearFilter).bind(this);
this.loadedSearches = {};
this.userOptions = {};
this.clearCache();
const selected = {};
iterate(this.options, (option, key) => {
if (boundFilter(option, key)) {
selected[key] = this.options[key];
}
});
this.options = this.sifter.items = selected;
this.lastQuery = null;
this.trigger('option_clear');
}
/**
* Used by clearOptions() to decide whether or not an option should be removed
* Return true to keep an option, false to remove
*
*/
clearFilter(option, value) {
if (this.items.indexOf(value) >= 0) {
return true;
}
return false;
}
/**
* Returns the dom element of the option
* matching the given value.
*
*/
getOption(value, create = false) {
const hashed = hash_key(value);
if (hashed !== null && this.options.hasOwnProperty(hashed)) {
const option = this.options[hashed];
if (option.$div) {
return option.$div;
}
if (create) {
return this._render('option', option);
}
}
return null;
}
/**
* Returns the dom element of the next or previous dom element of the same type
* Note: adjacent options may not be adjacent DOM elements (optgroups)
*
*/
getAdjacent(option, direction, type = 'option') {
var self = this,
all;
if (!option) {
return null;
}
if (type == 'item') {
all = self.controlChildren();
} else {
all = self.dropdown_content.querySelectorAll('[data-selectable]');
}
for (let i = 0; i < all.length; i++) {
if (all[i] != option) {
continue;
}
if (direction > 0) {
return all[i + 1];
}
return all[i - 1];
}
return null;
}
/**
* Returns the dom element of the item
* matching the given value.
*
*/
getItem(item) {
if (typeof item == 'object') {
return item;
}
var value = hash_key(item);
return value !== null ? this.control.querySelector(`[data-value="${addSlashes(value)}"]`) : null;
}
/**
* "Selects" multiple items at once. Adds them to the list
* at the current caret position.
*
*/
addItems(values, silent) {
var self = this;
var items = Array.isArray(values) ? values : [values];
items = items.filter(x => self.items.indexOf(x) === -1);
for (let i = 0, n = items.length; i < n; i++) {
self.isPending = i < n - 1;
self.addItem(items[i], silent);
}
}
/**
* "Selects" an item. Adds it to the list
* at the current caret position.
*
*/
addItem(value, silent) {
var events = silent ? [] : ['change', 'dropdown_close'];
debounce_events(this, events, () => {
var item, wasFull;
const self = this;
const inputMode = self.settings.mode;
const hashed = hash_key(value);
if (hashed && self.items.indexOf(hashed) !== -1) {
if (inputMode === 'single') {
self.close();
}
if (inputMode === 'single' || !self.settings.duplicates) {
return;
}
}
if (hashed === null || !self.options.hasOwnProperty(hashed)) return;
if (inputMode === 'single') self.clear(silent);
if (inputMode === 'multi' && self.isFull()) return;
item = self._render('item', self.options[hashed]);
if (self.control.contains(item)) {
// duplicates
item = item.cloneNode(true);
}
wasFull = self.isFull();
self.items.splice(self.caretPos, 0, hashed);
self.insertAtCaret(item);
if (self.isSetup) {
// update menu / remove the option (if this is not one item being added as part of series)
if (!self.isPending && self.settings.hideSelected) {
let option = self.getOption(hashed);
let next = self.getAdjacent(option, 1);
if (next) {
self.setActiveOption(next);
}
} // refreshOptions after setActiveOption(),
// otherwise setActiveOption() will be called by refreshOptions() with the wrong value
if (!self.isPending && !self.settings.closeAfterSelect) {
self.refreshOptions(self.isFocused && inputMode !== 'single');
} // hide the menu if the maximum number of items have been selected or no options are left
if (self.settings.closeAfterSelect != false && self.isFull()) {
self.close();
} else if (!self.isPending) {
self.positionDropdown();
}
self.trigger('item_add', hashed, item);
if (!self.isPending) {
self.updateOriginalInput({
silent: silent
});
}
}
if (!self.isPending || !wasFull && self.isFull()) {
self.inputState();
self.refreshState();
}
});
}
/**
* Removes the selected item matching
* the provided value.
*
*/
removeItem(item = null, silent) {
const self = this;
item = self.getItem(item);
if (!item) return;
var i, idx;
const value = item.dataset.value;
i = nodeIndex(item);
item.remove();
if (item.classList.contains('active')) {
idx = self.activeItems.indexOf(item);
self.activeItems.splice(idx, 1);
removeClasses(item, 'active');
}
self.items.splice(i, 1);
self.lastQuery = null;
if (!self.settings.persist && self.userOptions.hasOwnProperty(value)) {
self.removeOption(value, silent);
}
if (i < self.caretPos) {
self.setCaret(self.caretPos - 1);
}
self.updateOriginalInput({
silent: silent
});
self.refreshState();
self.positionDropdown();
self.trigger('item_remove', value, item);
}
/**
* Invokes the `create` method provided in the
* TomSelect options that should provide the data
* for the new item, given the user input.
*
* Once this completes, it will be added
* to the item list.
*
*/
createItem(input = null, triggerDropdown = true, callback = () => {}) {
var self = this;
var caret = self.caretPos;
var output;
input = input || self.inputValue();
if (!self.canCreate(input)) {
callback();
return false;
}
self.lock();
var created = false;
var create = data => {
self.unlock();
if (!data || typeof data !== 'object') return callback();
var value = hash_key(data[self.settings.valueField]);
if (typeof value !== 'string') {
return callback();
}
self.setTextboxValue();
self.addOption(data, true);
self.setCaret(caret);
self.addItem(value);
callback(data);
created = true;
};
if (typeof self.settings.create === 'function') {
output = self.settings.create.call(this, input, create);
} else {
output = {
[self.settings.labelField]: input,
[self.settings.valueField]: input
};
}
if (!created) {
create(output);
}
return true;
}
/**
* Re-renders the selected item lists.
*/
refreshItems() {
var self = this;
self.lastQuery = null;
if (self.isSetup) {
self.addItems(self.items);
}
self.updateOriginalInput();
self.refreshState();
}
/**
* Updates all state-dependent attributes
* and CSS classes.
*/
refreshState() {
const self = this;
self.refreshValidityState();
const isFull = self.isFull();
const isLocked = self.isLocked;
self.wrapper.classList.toggle('rtl', self.rtl);
const wrap_classList = self.wrapper.classList;
wrap_classList.toggle('focus', self.isFocused);
wrap_classList.toggle('disabled', self.isDisabled);
wrap_classList.toggle('required', self.isRequired);
wrap_classList.toggle('invalid', !self.isValid);
wrap_classList.toggle('locked', isLocked);
wrap_classList.toggle('full', isFull);
wrap_classList.toggle('input-active', self.isFocused && !self.isInputHidden);
wrap_classList.toggle('dropdown-active', self.isOpen);
wrap_classList.toggle('has-options', isEmptyObject(self.options));
wrap_classList.toggle('has-items', self.items.length > 0);
}
/**
* Update the `required` attribute of both input and control input.
*
* The `required` property needs to be activated on the control input
* for the error to be displayed at the right place. `required` also
* needs to be temporarily deactivated on the input since the input is
* hidden and can't show errors.
*/
refreshValidityState() {
var self = this;
if (!self.input.validity) {
return;
}
self.isValid = self.input.validity.valid;
self.isInvalid = !self.isValid;
}
/**
* Determines whether or not more items can be added
* to the control without exceeding the user-defined maximum.
*
* @returns {boolean}
*/
isFull() {
return this.settings.maxItems !== null && this.items.length >= this.settings.maxItems;
}
/**
* Refreshes the original <select> or <input>
* element to reflect the current state.
*
*/
updateOriginalInput(opts = {}) {
const self = this;
var option, label;
const empty_option = self.input.querySelector('option[value=""]');
if (self.is_select_tag) {
const selected = [];
const has_selected = self.input.querySelectorAll('option:checked').length;
function AddSelected(option_el, value, label) {
if (!option_el) {
option_el = getDom('<option value="' + escape_html(value) + '">' + escape_html(label) + '</option>');
} // don't move empty option from top of list
// fixes bug in firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1725293
if (option_el != empty_option) {
self.input.append(option_el);
}
selected.push(option_el); // marking empty option as selected can break validation
// fixes https://github.com/orchidjs/tom-select/issues/303
if (option_el != empty_option || has_selected > 0) {
option_el.selected = true;
}
return option_el;
} // unselect all selected options
self.input.querySelectorAll('option:checked').forEach(option_el => {
option_el.selected = false;
}); // nothing selected?
if (self.items.length == 0 && self.settings.mode == 'single') {
AddSelected(empty_option, "", ""); // order selected <option> tags for values in self.items
} else {
self.items.forEach(value => {
option = self.options[value];
label = option[self.settings.labelField] || '';
if (selected.includes(option.$option)) {
const reuse_opt = self.input.querySelector(`option[value="${addSlashes(value)}"]:not(:checked)`);
AddSelected(reuse_opt, value, label);
} else {
option.$option = AddSelected(option.$option, value, label);
}
});
}
} else {
self.input.value = self.getValue();
}
if (self.isSetup) {
if (!opts.silent) {
self.trigger('change', self.getValue());
}
}
}
/**
* Shows the autocomplete dropdown containing
* the available options.
*/
open() {
var self = this;
if (self.isLocked || self.isOpen || self.settings.mode === 'multi' && self.isFull()) return;
self.isOpen = true;
setAttr(self.focus_node, {
'aria-expanded': 'true'
});
self.refreshState();
applyCSS(self.dropdown, {
visibility: 'hidden',
display: 'block'
});
self.positionDropdown();
applyCSS(self.dropdown, {
visibility: 'visible',
display: 'block'
});
self.focus();
self.trigger('dropdown_open', self.dropdown);
}
/**
* Closes the autocomplete dropdown menu.
*/
close(setTextboxValue = true) {
var self = this;
var trigger = self.isOpen;
if (setTextboxValue) {
// before blur() to prevent form onchange event
self.setTextboxValue();
if (self.settings.mode === 'single' && self.items.length) {
self.hideInput();
}
}
self.isOpen = false;
setAttr(self.focus_node, {
'aria-expanded': 'false'
});
applyCSS(self.dropdown, {
display: 'none'
});
if (self.settings.hideSelected) {
self.clearActiveOption();
}
self.refreshState();
if (trigger) self.trigger('dropdown_close', self.dropdown);
}
/**
* Calculates and applies the appropriate
* position of the dropdown if dropdownParent = 'body'.
* Otherwise, position is determined by css
*/
positionDropdown() {
if (this.settings.dropdownParent !== 'body') {
return;
}
var context = this.control;
var rect = context.getBoundingClientRect();
var top = context.offsetHeight + rect.top + window.scrollY;
var left = rect.left + window.scrollX;
applyCSS(this.dropdown, {
width: rect.width + 'px',
top: top + 'px',
left: left + 'px'
});
}
/**
* Resets / clears all selected items
* from the control.
*
*/
clear(silent) {
var self = this;
if (!self.items.length) return;
var items = self.controlChildren();
iterate(items, item => {
self.removeItem(item, true);
});
self.showInput();
if (!silent) self.updateOriginalInput();
self.trigger('clear');
}
/**
* A helper method for inserting an element
* at the current caret position.
*
*/
insertAtCaret(el) {
const self = this;
const caret = self.caretPos;
const target = self.control;
target.insertBefore(el, target.children[caret]);
self.setCaret(caret + 1);
}
/**
* Removes the current selected item(s).
*
*/
deleteSelection(e) {
var direction, selection, caret, tail;
var self = this;
direction = e && e.keyCode === KEY_BACKSPACE ? -1 : 1;
selection = getSelection(self.control_input); // determine items that will be removed
const rm_items = [];
if (self.activeItems.length) {
tail = getTail(self.activeItems, direction);
caret = nodeIndex(tail);
if (direction > 0) {
caret++;
}
iterate(self.activeItems, item => rm_items.push(item));
} else if ((self.isFocused || self.settings.mode === 'single') && self.items.length) {
const items = self.controlChildren();
if (direction < 0 && selection.start === 0 && selection.length === 0) {
rm_items.push(items[self.caretPos - 1]);
} else if (direction > 0 && selection.start === self.inputValue().length) {
rm_items.push(items[self.caretPos]);
}
}
if (!self.shouldDelete(rm_items, e)) {
return false;
}
preventDefault(e, true); // perform removal
if (typeof caret !== 'undefined') {
self.setCaret(caret);
}
while (rm_items.length) {
self.removeItem(rm_items.pop());
}
self.showInput();
self.positionDropdown();
self.refreshOptions(false);
return true;
}
/**
* Return true if the items should be deleted
*/
shouldDelete(items, evt) {
const values = items.map(item => item.dataset.value); // allow the callback to abort
if (!values.length || typeof this.settings.onDelete === 'function' && this.settings.onDelete(values, evt) === false) {
return false;
}
return true;
}
/**
* Selects the previous / next item (depending on the `direction` argument).
*
* > 0 - right
* < 0 - left
*
*/
advanceSelection(direction, e) {
var last_active,
adjacent,
self = this;
if (self.rtl) direction *= -1;
if (self.inputValue().length) return; // add or remove to active items
if (isKeyDown(KEY_SHORTCUT, e) || isKeyDown('shiftKey', e)) {
last_active = self.getLastActive(direction);
if (last_active) {
if (!last_active.classList.contains('active')) {
adjacent = last_active;
} else {
adjacent = self.getAdjacent(last_active, direction, 'item');
} // if no active item, get items adjacent to the control input
} else if (direction > 0) {
adjacent = self.control_input.nextElementSibling;
} else {
adjacent = self.control_input.previousElementSibling;
}
if (adjacent) {
if (adjacent.classList.contains('active')) {
self.removeActiveItem(last_active);
}
self.setActiveItemClass(adjacent); // mark as last_active !! after removeActiveItem() on last_active
} // move caret to the left or right
} else {
self.moveCaret(direction);
}
}
moveCaret(direction) {}
/**
* Get the last active item
*
*/
getLastActive(direction) {
let last_active = this.control.querySelector('.last-active');
if (last_active) {
return last_active;
}
var result = this.control.querySelectorAll('.active');
if (result) {
return getTail(result, direction);
}
}
/**
* Moves the caret to the specified index.
*
* The input must be moved by leaving it in place and moving the
* siblings, due to the fact that focus cannot be restored once lost
* on mobile webkit devices
*
*/
setCaret(new_pos) {
this.caretPos = this.items.length;
}
/**
* Return list of item dom elements
*
*/
controlChildren() {
return Array.from(this.control.querySelectorAll('[data-ts-item]'));
}
/**
* Disables user input on the control. Used while
* items are being asynchronously created.
*/
lock() {
this.isLocked = true;
this.refreshState();
}
/**
* Re-enables user input on the control.
*/
unlock() {
this.isLocked = false;
this.refreshState();
}
/**
* Disables user input on the control completely.
* While disabled, it cannot receive focus.
*/
disable() {
var self = this;
self.input.disabled = true;
self.control_input.disabled = true;
self.focus_node.tabIndex = -1;
self.isDisabled = true;
this.close();
self.lock();
}
/**
* Enables the control so that it can respond
* to focus and user input.
*/
enable() {
var self = this;
self.input.disabled = false;
self.control_input.disabled = false;
self.focus_node.tabIndex = self.tabIndex;
self.isDisabled = false;
self.unlock();
}
/**
* Completely destroys the control and
* unbinds all event listeners so that it can
* be garbage collected.
*/
destroy() {
var self = this;
var revertSettings = self.revertSettings;
self.trigger('destroy');
self.off();
self.wrapper.remove();
self.dropdown.remove();
self.input.innerHTML = revertSettings.innerHTML;
self.input.tabIndex = revertSettings.tabIndex;
removeClasses(self.input, 'tomselected', 'ts-hidden-accessible');
self._destroy();
delete self.input.tomselect;
}
/**
* A helper method for rendering "item" and
* "option" templates, given the data.
*
*/
render(templateName, data) {
if (typeof this.settings.render[templateName] !== 'function') {
return null;
}
return this._render(templateName, data);
}
/**
* _render() can be called directly when we know we don't want to hit the cache
* return type could be null for some templates, we need https://github.com/microsoft/TypeScript/issues/33014
*/
_render(templateName, data) {
var value = '',
id,
html;
const self = this;
if (templateName === 'option' || templateName == 'item') {
value = get_hash(data[self.settings.valueField]);
} // render markup
html = self.settings.render[templateName].call(this, data, escape_html);
if (html == null) {
return html;
}
html = getDom(html); // add mandatory attributes
if (templateName === 'option' || templateName === 'option_create') {
if (data[self.settings.disabledField]) {
setAttr(html, {
'aria-disabled': 'true'
});
} else {
setAttr(html, {
'data-selectable': ''
});
}
} else if (templateName === 'optgroup') {
id = data.group[self.settings.optgroupValueField];
setAttr(html, {
'data-group': id
});
if (data.group[self.settings.disabledField]) {
setAttr(html, {
'data-disabled': ''
});
}
}
if (templateName === 'option' || templateName === 'item') {
setAttr(html, {
'data-value': value
}); // make sure we have some classes if a template is overwritten
if (templateName === 'item') {
addClasses(html, self.settings.itemClass);
setAttr(html, {
'data-ts-item': ''
});
} else {
addClasses(html, self.settings.optionClass);
setAttr(html, {
role: 'option',
id: data.$id
}); // update cache
self.options[value].$div = html;
}
}
return html;
}
/**
* Clears the render cache for a template. If
* no template is given, clears all render
* caches.
*
*/
clearCache() {
iterate(this.options, (option, value) => {
if (option.$div) {
option.$div.remove();
delete option.$div;
}
});
}
/**
* Removes a value from item and option caches
*
*/
uncacheValue(value) {
const option_el = this.getOption(value);
if (option_el) option_el.remove();
}
/**
* Determines whether or not to display the
* create item prompt, given a user input.
*
*/
canCreate(input) {
return this.settings.create && input.length > 0 && this.settings.createFilter.call(this, input);
}
/**
* Wraps this.`method` so that `new_fn` can be invoked 'before', 'after', or 'instead' of the original method
*
* this.hook('instead','onKeyDown',function( arg1, arg2 ...){
*
* });
*/
hook(when, method, new_fn) {
var self = this;
var orig_method = self[method];
self[method] = function () {
var result, result_new;
if (when === 'after') {
result = orig_method.apply(self, arguments);
}
result_new = new_fn.apply(self, arguments);
if (when === 'instead') {
return result_new;
}
if (when === 'before') {
result = orig_method.apply(self, arguments);
}
return result;
};
}
}
return TomSelect;
}));
var tomSelect=function(el,opts){return new TomSelect(el,opts);}
//# sourceMappingURL=tom-select.base.js.map