bootstrap-italia/dist/plugins/list.js

Bootstrap Italia è un tema Bootstrap 5 per la creazione di applicazioni web nel pieno rispetto delle linee guida di design per i siti internet e i servizi digitali della PA

import BaseComponent from './base-component.js';
import SelectorEngine from './dom/selector-engine.js';
import EventHandler from './dom/event-handler.js';

/**
 * --------------------------------------------------------------------------
 * Bootstrap Italia (https://italia.github.io/bootstrap-italia/)
 * Authors: https://github.com/italia/bootstrap-italia/blob/main/AUTHORS
 * Licensed under BSD-3-Clause license (https://github.com/italia/bootstrap-italia/blob/main/LICENSE)
 * --------------------------------------------------------------------------
 */


const NAME = 'list';
const DATA_KEY = 'bs.list';
const EVENT_KEY = `.${DATA_KEY}`;
const DATA_API_KEY = '.data-api';

const EVENT_CLICK = `click${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;

const CLASS_NAME_ACTIVE = 'active';

const SELECTOR_LIST = '[data-bs-list-checkbox]'; //'.it-list'
const SELECTOR_ITEM_CHECKBOX = 'input[type=checkbox]';

class List extends BaseComponent {
  constructor(element) {
    super(element);

    this._init();
  }

  // Getters

  static get NAME() {
    return NAME
  }

  // Public
  toggleCheckbox(item) {
    const input = SelectorEngine.findOne('input', item);
    if (input) {
      if (input.checked) {
        input.checked = false;
        item.classList.remove(CLASS_NAME_ACTIVE);
      } else {
        input.checked = true;
        item.classList.add(CLASS_NAME_ACTIVE);
      }
    }
  }

  // Private
  _init() {
    this._initCheckbox();
  }
  _initCheckbox() {
    SelectorEngine.find(SELECTOR_ITEM_CHECKBOX, this._element).forEach((item) => {
      EventHandler.on(item.closest('a'), EVENT_CLICK, (evt) => {
        evt.preventDefault();
        this.toggleCheckbox(item.closest('a'));
      });
    });
  }
}

/**
 * ------------------------------------------------------------------------
 * Data Api implementation
 * ------------------------------------------------------------------------
 */

if (typeof window !== 'undefined' && typeof document !== 'undefined') {
  SelectorEngine.find(SELECTOR_LIST).forEach((list) => {
    SelectorEngine.find(SELECTOR_ITEM_CHECKBOX, list).forEach((checkbox) => {
      EventHandler.one(checkbox.closest('a'), EVENT_CLICK_DATA_API, (evt) => {
        if (!List.getInstance(list)) {
          evt.preventDefault();
          const listObj = List.getOrCreateInstance(list);
          listObj.toggleCheckbox(evt.currentTarget);
        }
      });
    });
  });
}

export { List as default };
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