bootstrap-italia/src/js/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

/**
 * --------------------------------------------------------------------------
 * 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)
 * --------------------------------------------------------------------------
 */

import BaseComponent from './base-component.js'

import SelectorEngine from './dom/selector-engine'
import EventHandler from './dom/event-handler'

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 default List