444 lines
12 KiB
JavaScript
444 lines
12 KiB
JavaScript
/* !
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* tingle.js
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* @author robin_parisi
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* @version 0.15.2
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* @url
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*/
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/* global define,module */
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(function (root, factory) {
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if (typeof define === 'function' && define.amd) {
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define(factory)
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} else if (typeof exports === 'object') {
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module.exports = factory()
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} else {
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root.tingle = factory()
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}
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}(this, function () {
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/* ----------------------------------------------------------- */
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/* == modal */
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/* ----------------------------------------------------------- */
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var isBusy = false
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function Modal (options) {
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var defaults = {
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onClose: null,
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onOpen: null,
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beforeOpen: null,
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beforeClose: null,
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stickyFooter: false,
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footer: false,
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cssClass: [],
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closeLabel: 'Close',
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closeMethods: ['overlay', 'button', 'escape']
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}
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// extends config
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this.opts = extend({}, defaults, options)
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// init modal
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this.init()
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}
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Modal.prototype.init = function () {
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if (this.modal) {
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return
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}
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_build.call(this)
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_bindEvents.call(this)
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// insert modal in dom
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document.body.appendChild(this.modal, document.body.firstChild)
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if (this.opts.footer) {
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this.addFooter()
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}
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return this
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}
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Modal.prototype._busy = function (state) {
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isBusy = state
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}
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Modal.prototype._isBusy = function () {
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return isBusy
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}
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Modal.prototype.destroy = function () {
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if (this.modal === null) {
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return
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}
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// restore scrolling
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if (this.isOpen()) {
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this.close(true)
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}
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// unbind all events
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_unbindEvents.call(this)
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// remove modal from dom
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this.modal.parentNode.removeChild(this.modal)
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this.modal = null
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}
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Modal.prototype.isOpen = function () {
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return !!this.modal.classList.contains('tingle-modal--visible')
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}
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Modal.prototype.open = function () {
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if (this._isBusy()) return
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this._busy(true)
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var self = this
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// before open callback
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if (typeof self.opts.beforeOpen === 'function') {
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self.opts.beforeOpen()
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}
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if (this.modal.style.removeProperty) {
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this.modal.style.removeProperty('display')
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} else {
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this.modal.style.removeAttribute('display')
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}
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// prevent double scroll
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this._scrollPosition = window.pageYOffset
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document.body.classList.add('tingle-enabled')
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document.body.style.top = -this._scrollPosition + 'px'
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// sticky footer
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this.setStickyFooter(this.opts.stickyFooter)
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// show modal
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this.modal.classList.add('tingle-modal--visible')
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// onOpen callback
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if (typeof self.opts.onOpen === 'function') {
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self.opts.onOpen.call(self)
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}
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self._busy(false)
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// check if modal is bigger than screen height
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this.checkOverflow()
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return this
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}
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Modal.prototype.close = function (force) {
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if (this._isBusy()) return
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this._busy(true)
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force = force || false
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// before close
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if (typeof this.opts.beforeClose === 'function') {
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var close = this.opts.beforeClose.call(this)
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if (!close) {
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this._busy(false)
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return
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}
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}
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document.body.classList.remove('tingle-enabled')
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document.body.style.top = null
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window.scrollTo({
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top: this._scrollPosition,
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behavior: 'instant'
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})
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this.modal.classList.remove('tingle-modal--visible')
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// using similar setup as onOpen
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var self = this
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self.modal.style.display = 'none'
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// onClose callback
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if (typeof self.opts.onClose === 'function') {
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self.opts.onClose.call(this)
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}
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// release modal
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self._busy(false)
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}
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Modal.prototype.setContent = function (content) {
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// check type of content : String or Node
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if (typeof content === 'string') {
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this.modalBoxContent.innerHTML = content
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} else {
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this.modalBoxContent.innerHTML = ''
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this.modalBoxContent.appendChild(content)
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}
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if (this.isOpen()) {
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// check if modal is bigger than screen height
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this.checkOverflow()
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}
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return this
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}
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Modal.prototype.getContent = function () {
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return this.modalBoxContent
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}
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Modal.prototype.addFooter = function () {
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// add footer to modal
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_buildFooter.call(this)
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return this
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}
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Modal.prototype.setFooterContent = function (content) {
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// set footer content
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this.modalBoxFooter.innerHTML = content
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return this
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}
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Modal.prototype.getFooterContent = function () {
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return this.modalBoxFooter
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}
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Modal.prototype.setStickyFooter = function (isSticky) {
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// if the modal is smaller than the viewport height, we don't need sticky
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if (!this.isOverflow()) {
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isSticky = false
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}
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if (isSticky) {
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if (this.modalBox.contains(this.modalBoxFooter)) {
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this.modalBox.removeChild(this.modalBoxFooter)
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this.modal.appendChild(this.modalBoxFooter)
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this.modalBoxFooter.classList.add('tingle-modal-box__footer--sticky')
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_recalculateFooterPosition.call(this)
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this.modalBoxContent.style['padding-bottom'] = this.modalBoxFooter.clientHeight + 20 + 'px'
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}
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} else if (this.modalBoxFooter) {
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if (!this.modalBox.contains(this.modalBoxFooter)) {
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this.modal.removeChild(this.modalBoxFooter)
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this.modalBox.appendChild(this.modalBoxFooter)
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this.modalBoxFooter.style.width = 'auto'
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this.modalBoxFooter.style.left = ''
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this.modalBoxContent.style['padding-bottom'] = ''
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this.modalBoxFooter.classList.remove('tingle-modal-box__footer--sticky')
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}
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}
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return this
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}
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Modal.prototype.addFooterBtn = function (label, cssClass, callback) {
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var btn = document.createElement('button')
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// set label
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btn.innerHTML = label
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// bind callback
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btn.addEventListener('click', callback)
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if (typeof cssClass === 'string' && cssClass.length) {
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// add classes to btn
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cssClass.split(' ').forEach(function (item) {
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btn.classList.add(item)
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})
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}
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this.modalBoxFooter.appendChild(btn)
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return btn
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}
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Modal.prototype.resize = function () {
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// eslint-disable-next-line no-console
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console.warn('Resize is deprecated and will be removed in version 1.0')
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}
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Modal.prototype.isOverflow = function () {
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var viewportHeight = window.innerHeight
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var modalHeight = this.modalBox.clientHeight
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return modalHeight >= viewportHeight
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}
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Modal.prototype.checkOverflow = function () {
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// only if the modal is currently shown
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if (this.modal.classList.contains('tingle-modal--visible')) {
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if (this.isOverflow()) {
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this.modal.classList.add('tingle-modal--overflow')
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} else {
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this.modal.classList.remove('tingle-modal--overflow')
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}
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// tODO: remove offset
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// _offset.call(this);
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if (!this.isOverflow() && this.opts.stickyFooter) {
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this.setStickyFooter(false)
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} else if (this.isOverflow() && this.opts.stickyFooter) {
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_recalculateFooterPosition.call(this)
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this.setStickyFooter(true)
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}
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}
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}
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/* ----------------------------------------------------------- */
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/* == private methods */
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/* ----------------------------------------------------------- */
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function closeIcon () {
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return '<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.3 9.7c.2.2.4.3.7.3.3 0 .5-.1.7-.3L5 6.4l3.3 3.3c.2.2.5.3.7.3.2 0 .5-.1.7-.3.4-.4.4-1 0-1.4L6.4 5l3.3-3.3c.4-.4.4-1 0-1.4-.4-.4-1-.4-1.4 0L5 3.6 1.7.3C1.3-.1.7-.1.3.3c-.4.4-.4 1 0 1.4L3.6 5 .3 8.3c-.4.4-.4 1 0 1.4z" fill="#000" fill-rule="nonzero"/></svg>'
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}
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function _recalculateFooterPosition () {
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if (!this.modalBoxFooter) {
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return
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}
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this.modalBoxFooter.style.width = this.modalBox.clientWidth + 'px'
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this.modalBoxFooter.style.left = this.modalBox.offsetLeft + 'px'
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}
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function _build () {
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// wrapper
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this.modal = document.createElement('div')
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this.modal.classList.add('tingle-modal')
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// remove cusor if no overlay close method
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if (this.opts.closeMethods.length === 0 || this.opts.closeMethods.indexOf('overlay') === -1) {
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this.modal.classList.add('tingle-modal--noOverlayClose')
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}
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this.modal.style.display = 'none'
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// custom class
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this.opts.cssClass.forEach(function (item) {
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if (typeof item === 'string') {
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this.modal.classList.add(item)
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}
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}, this)
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// close btn
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if (this.opts.closeMethods.indexOf('button') !== -1) {
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this.modalCloseBtn = document.createElement('button')
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this.modalCloseBtn.type = 'button'
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this.modalCloseBtn.classList.add('tingle-modal__close')
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this.modalCloseBtnIcon = document.createElement('span')
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this.modalCloseBtnIcon.classList.add('tingle-modal__closeIcon')
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this.modalCloseBtnIcon.innerHTML = closeIcon()
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this.modalCloseBtnLabel = document.createElement('span')
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this.modalCloseBtnLabel.classList.add('tingle-modal__closeLabel')
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this.modalCloseBtnLabel.innerHTML = this.opts.closeLabel
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this.modalCloseBtn.appendChild(this.modalCloseBtnIcon)
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this.modalCloseBtn.appendChild(this.modalCloseBtnLabel)
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}
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// modal
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this.modalBox = document.createElement('div')
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this.modalBox.classList.add('tingle-modal-box')
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// modal box content
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this.modalBoxContent = document.createElement('div')
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this.modalBoxContent.classList.add('tingle-modal-box__content')
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this.modalBox.appendChild(this.modalBoxContent)
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if (this.opts.closeMethods.indexOf('button') !== -1) {
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this.modal.appendChild(this.modalCloseBtn)
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}
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this.modal.appendChild(this.modalBox)
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}
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function _buildFooter () {
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this.modalBoxFooter = document.createElement('div')
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this.modalBoxFooter.classList.add('tingle-modal-box__footer')
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this.modalBox.appendChild(this.modalBoxFooter)
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}
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function _bindEvents () {
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this._events = {
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clickCloseBtn: this.close.bind(this),
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clickOverlay: _handleClickOutside.bind(this),
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resize: this.checkOverflow.bind(this),
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keyboardNav: _handleKeyboardNav.bind(this)
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}
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if (this.opts.closeMethods.indexOf('button') !== -1) {
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this.modalCloseBtn.addEventListener('click', this._events.clickCloseBtn)
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}
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this.modal.addEventListener('mousedown', this._events.clickOverlay)
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window.addEventListener('resize', this._events.resize)
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document.addEventListener('keydown', this._events.keyboardNav)
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}
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function _handleKeyboardNav (event) {
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// escape key
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if (this.opts.closeMethods.indexOf('escape') !== -1 && event.which === 27 && this.isOpen()) {
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this.close()
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}
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}
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function _handleClickOutside (event) {
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// on macOS, click on scrollbar (hidden mode) will trigger close event so we need to bypass this behavior by detecting scrollbar mode
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var scrollbarWidth = this.modal.offsetWidth - this.modal.clientWidth
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var clickedOnScrollbar = event.clientX >= this.modal.offsetWidth - 15 // 15px is macOS scrollbar default width
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var isScrollable = this.modal.scrollHeight !== this.modal.offsetHeight
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if (navigator.platform === 'MacIntel' && scrollbarWidth === 0 && clickedOnScrollbar && isScrollable) {
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return
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}
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// if click is outside the modal
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if (this.opts.closeMethods.indexOf('overlay') !== -1 && !_findAncestor(event.target, 'tingle-modal') &&
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event.clientX < this.modal.clientWidth) {
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this.close()
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}
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}
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function _findAncestor (el, cls) {
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while ((el = el.parentElement) && !el.classList.contains(cls));
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return el
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}
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function _unbindEvents () {
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if (this.opts.closeMethods.indexOf('button') !== -1) {
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this.modalCloseBtn.removeEventListener('click', this._events.clickCloseBtn)
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}
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this.modal.removeEventListener('mousedown', this._events.clickOverlay)
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window.removeEventListener('resize', this._events.resize)
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document.removeEventListener('keydown', this._events.keyboardNav)
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}
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/* ----------------------------------------------------------- */
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/* == helpers */
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/* ----------------------------------------------------------- */
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function extend () {
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for (var i = 1; i < arguments.length; i++) {
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for (var key in arguments[i]) {
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if (arguments[i].hasOwnProperty(key)) {
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arguments[0][key] = arguments[i][key]
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}
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}
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}
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return arguments[0]
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}
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/* ----------------------------------------------------------- */
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/* == return */
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/* ----------------------------------------------------------- */
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return {
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modal: Modal
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}
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}))
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