216 lines
5.2 KiB
JavaScript
216 lines
5.2 KiB
JavaScript
'use strict'
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import $ from 'jquery'
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import Events from '../_events'
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const FormValidateField = (($) => {
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// Constants
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const NAME = 'jsFormValidateField'
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const DATA_KEY = NAME
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const $Body = $('body')
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const FieldUI = 'jsFormFieldUI'
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class FormValidateField {
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constructor (el) {
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const ui = this
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const $el = $(el)
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ui.$el = $el
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ui._actions = $el.parents('form').children('.btn-toolbar,.form-actions')
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$el.data(DATA_KEY, this)
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// prevent browsers checks (will do it using JS)
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$el.attr('novalidate', 'novalidate')
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$el.on('change focusout', (e) => {
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ui.validate(false)
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})
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$el.addClass(`${NAME}-active`)
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$el.trigger(Events.FORM_INIT_VALIDATE_FIELD)
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}
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// Public methods
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dispose () {
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const $el = ui.$el
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$el.removeClass(`${NAME}-active`)
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$.removeData(ui.$el[0], DATA_KEY)
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ui.$el = null
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}
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validate (scrollTo = true) {
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const ui = this
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const $el = ui.$el
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const $field = $el.closest('.field')
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const extraChecks = $el.data(`${NAME}-extra`)
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let valid = true
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let msg = null
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const val = $el.val()
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// browser checks
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if (!ui.$el[0].checkValidity()) {
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valid = false
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console.warn(
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`${NAME}: Browser check validity is failed #${$el.attr('id')}`
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)
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}
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let unmaskedVal = val
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if (typeof $el.inputmask === 'function') {
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unmaskedVal = $el.inputmask('unmaskedvalue')
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}
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// required
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if (
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$el.hasClass('required') &&
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(!unmaskedVal.length ||
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!unmaskedVal.trim().length ||
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(ui.isHtml(val) && !$(unmaskedVal).text().length))
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) {
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valid = false
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console.warn(`${NAME}: Required field is missing #${$el.attr('id')}`)
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}
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// validate URL
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if (
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$el.hasClass('url') &&
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unmaskedVal.length &&
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!ui.valideURL(unmaskedVal)
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) {
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valid = false
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msg =
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'Invalid URL: URL must start with http:// or https://. For example: https://your-domain.com/bla-bla/?p1=b&p2=a#tag'
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console.warn(`${NAME}: Wrong URL #${$el.attr('id')}`)
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}
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// maxlength
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const maxLength = $el.attr('maxlength')
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if (unmaskedVal.length && maxLength && maxLength.length) {
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if (unmaskedVal.length > maxLength) {
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valid = false
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msg = `The value is limited to ${maxLength} chars`
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console.warn(`${NAME}: Too long value #${$el.attr('id')}`)
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}
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}
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// minlength
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const minLength = $el.attr('minlength')
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if (unmaskedVal.length && minLength && minLength.length) {
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if (unmaskedVal.length < minLength) {
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valid = false
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msg = `The value should contain more than ${minLength} chars`
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console.warn(`${NAME}: Too short value #${$el.attr('id')}`)
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}
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}
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this.removeError()
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// extra checks
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if (extraChecks) {
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extraChecks.forEach((check) => {
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const result = check($el)
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valid = valid && result
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if (!result) {
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console.log(check)
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console.warn(`${NAME}: Extra check is failed #${$el.attr('id')}`)
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}
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})
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}
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if (valid) {
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return true
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}
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this.setError(scrollTo, msg)
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return false
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}
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isHtml (str) {
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const doc = new DOMParser().parseFromString(str, 'text/html')
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return Array.from(doc.body.childNodes).some(
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(node) => node.nodeType === 1
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)
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}
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valideURL (str) {
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let url
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try {
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url = new URL(str)
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} catch (_) {
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return false
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}
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return url.protocol === 'http:' || url.protocol === 'https:'
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}
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setError (scrollTo = true, msg = null) {
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const ui = this
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const fieldUI = ui.$el.data(FieldUI)
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const $field = ui.$el.closest('.field')
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const bodyScroll = $Body.scrollTop()
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const pos = $field[0].getBoundingClientRect().top // $field.offset().top;
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const rowCorrection = parseInt($field.css('font-size')) * 4
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ui.removeError()
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$field.addClass('error')
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if (msg) {
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fieldUI.addMessage(msg, 'alert-error alert-danger', scrollTo)
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} else if (pos && scrollTo) {
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$field.focus()
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$Body.scrollTop(bodyScroll + pos - rowCorrection)
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}
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}
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removeError () {
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const ui = this
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const fieldUI = ui.$el.data(FieldUI)
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const $field = ui.$el.closest('.field')
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$field.removeClass('error')
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$field.removeClass('holder-error')
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$field.removeClass('holder-validation')
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$field.find('.alert-error').remove()
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}
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static _jQueryInterface () {
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return this.each(function () {
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// attach functionality to el
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const $el = $(this)
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let data = $el.data(DATA_KEY)
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if (!data) {
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data = new FormValidateField(this)
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$el.data(DATA_KEY, data)
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}
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})
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}
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}
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// jQuery interface
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$.fn[NAME] = FormValidateField._jQueryInterface
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$.fn[NAME].Constructor = FormValidateField
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$.fn[NAME].noConflict = function () {
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$.fn[NAME] = JQUERY_NO_CONFLICT
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return FormValidateField._jQueryInterface
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}
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return FormValidateField
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})($)
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export default FormValidateField
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