forked from samuel-p/sp-codes.de
577 lines
15 KiB
JavaScript
577 lines
15 KiB
JavaScript
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'use strict';
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!function($) {
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/**
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* Reveal module.
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* @module foundation.reveal
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* @requires foundation.util.keyboard
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* @requires foundation.util.box
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* @requires foundation.util.triggers
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* @requires foundation.util.mediaQuery
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* @requires foundation.util.motion if using animations
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*/
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class Reveal {
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/**
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* Creates a new instance of Reveal.
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* @class
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* @param {jQuery} element - jQuery object to use for the modal.
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* @param {Object} options - optional parameters.
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*/
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constructor(element, options) {
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this.$element = element;
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this.options = $.extend({}, Reveal.defaults, this.$element.data(), options);
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this._init();
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Foundation.registerPlugin(this, 'Reveal');
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Foundation.Keyboard.register('Reveal', {
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'ENTER': 'open',
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'SPACE': 'open',
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'ESCAPE': 'close',
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'TAB': 'tab_forward',
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'SHIFT_TAB': 'tab_backward'
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});
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}
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/**
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* Initializes the modal by adding the overlay and close buttons, (if selected).
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* @private
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*/
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_init() {
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this.id = this.$element.attr('id');
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this.isActive = false;
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this.cached = {mq: Foundation.MediaQuery.current};
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this.isMobile = mobileSniff();
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this.$anchor = $(`[data-open="${this.id}"]`).length ? $(`[data-open="${this.id}"]`) : $(`[data-toggle="${this.id}"]`);
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this.$anchor.attr({
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'aria-controls': this.id,
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'aria-haspopup': true,
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'tabindex': 0
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});
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if (this.options.fullScreen || this.$element.hasClass('full')) {
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this.options.fullScreen = true;
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this.options.overlay = false;
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}
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if (this.options.overlay && !this.$overlay) {
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this.$overlay = this._makeOverlay(this.id);
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}
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this.$element.attr({
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'role': 'dialog',
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'aria-hidden': true,
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'data-yeti-box': this.id,
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'data-resize': this.id
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});
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if(this.$overlay) {
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this.$element.detach().appendTo(this.$overlay);
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} else {
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this.$element.detach().appendTo($('body'));
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this.$element.addClass('without-overlay');
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}
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this._events();
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if (this.options.deepLink && window.location.hash === ( `#${this.id}`)) {
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$(window).one('load.zf.reveal', this.open.bind(this));
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}
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}
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/**
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* Creates an overlay div to display behind the modal.
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* @private
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*/
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_makeOverlay(id) {
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var $overlay = $('<div></div>')
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.addClass('reveal-overlay')
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.appendTo('body');
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return $overlay;
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}
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/**
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* Updates position of modal
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* TODO: Figure out if we actually need to cache these values or if it doesn't matter
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* @private
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*/
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_updatePosition() {
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var width = this.$element.outerWidth();
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var outerWidth = $(window).width();
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var height = this.$element.outerHeight();
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var outerHeight = $(window).height();
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var left, top;
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if (this.options.hOffset === 'auto') {
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left = parseInt((outerWidth - width) / 2, 10);
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} else {
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left = parseInt(this.options.hOffset, 10);
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}
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if (this.options.vOffset === 'auto') {
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if (height > outerHeight) {
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top = parseInt(Math.min(100, outerHeight / 10), 10);
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} else {
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top = parseInt((outerHeight - height) / 4, 10);
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}
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} else {
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top = parseInt(this.options.vOffset, 10);
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}
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this.$element.css({top: top + 'px'});
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// only worry about left if we don't have an overlay or we havea horizontal offset,
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// otherwise we're perfectly in the middle
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if(!this.$overlay || (this.options.hOffset !== 'auto')) {
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this.$element.css({left: left + 'px'});
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this.$element.css({margin: '0px'});
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}
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}
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/**
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* Adds event handlers for the modal.
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* @private
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*/
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_events() {
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var _this = this;
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this.$element.on({
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'open.zf.trigger': this.open.bind(this),
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'close.zf.trigger': (event, $element) => {
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if ((event.target === _this.$element[0]) ||
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($(event.target).parents('[data-closable]')[0] === $element)) { // only close reveal when it's explicitly called
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return this.close.apply(this);
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}
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},
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'toggle.zf.trigger': this.toggle.bind(this),
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'resizeme.zf.trigger': function() {
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_this._updatePosition();
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}
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});
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if (this.$anchor.length) {
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this.$anchor.on('keydown.zf.reveal', function(e) {
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if (e.which === 13 || e.which === 32) {
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e.stopPropagation();
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e.preventDefault();
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_this.open();
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}
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});
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}
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if (this.options.closeOnClick && this.options.overlay) {
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this.$overlay.off('.zf.reveal').on('click.zf.reveal', function(e) {
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if (e.target === _this.$element[0] || $.contains(_this.$element[0], e.target)) { return; }
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_this.close();
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});
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}
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if (this.options.deepLink) {
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$(window).on(`popstate.zf.reveal:${this.id}`, this._handleState.bind(this));
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}
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}
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/**
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* Handles modal methods on back/forward button clicks or any other event that triggers popstate.
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* @private
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*/
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_handleState(e) {
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if(window.location.hash === ( '#' + this.id) && !this.isActive){ this.open(); }
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else{ this.close(); }
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}
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/**
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* Opens the modal controlled by `this.$anchor`, and closes all others by default.
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* @function
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* @fires Reveal#closeme
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* @fires Reveal#open
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*/
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open() {
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if (this.options.deepLink) {
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var hash = `#${this.id}`;
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if (window.history.pushState) {
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window.history.pushState(null, null, hash);
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} else {
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window.location.hash = hash;
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}
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}
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this.isActive = true;
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// Make elements invisible, but remove display: none so we can get size and positioning
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this.$element
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.css({ 'visibility': 'hidden' })
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.show()
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.scrollTop(0);
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if (this.options.overlay) {
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this.$overlay.css({'visibility': 'hidden'}).show();
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}
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this._updatePosition();
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this.$element
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.hide()
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.css({ 'visibility': '' });
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if(this.$overlay) {
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this.$overlay.css({'visibility': ''}).hide();
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if(this.$element.hasClass('fast')) {
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this.$overlay.addClass('fast');
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} else if (this.$element.hasClass('slow')) {
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this.$overlay.addClass('slow');
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}
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}
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if (!this.options.multipleOpened) {
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/**
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* Fires immediately before the modal opens.
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* Closes any other modals that are currently open
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* @event Reveal#closeme
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*/
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this.$element.trigger('closeme.zf.reveal', this.id);
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}
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// Motion UI method of reveal
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if (this.options.animationIn) {
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var _this = this;
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function afterAnimationFocus(){
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_this.$element
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.attr({
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'aria-hidden': false,
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'tabindex': -1
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})
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.focus();
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console.log('focus');
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}
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if (this.options.overlay) {
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Foundation.Motion.animateIn(this.$overlay, 'fade-in');
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}
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Foundation.Motion.animateIn(this.$element, this.options.animationIn, () => {
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this.focusableElements = Foundation.Keyboard.findFocusable(this.$element);
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afterAnimationFocus();
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});
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}
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// jQuery method of reveal
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else {
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if (this.options.overlay) {
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this.$overlay.show(0);
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}
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this.$element.show(this.options.showDelay);
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}
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// handle accessibility
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this.$element
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.attr({
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'aria-hidden': false,
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'tabindex': -1
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})
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.focus();
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/**
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* Fires when the modal has successfully opened.
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* @event Reveal#open
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*/
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this.$element.trigger('open.zf.reveal');
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if (this.isMobile) {
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this.originalScrollPos = window.pageYOffset;
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$('html, body').addClass('is-reveal-open');
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}
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else {
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$('body').addClass('is-reveal-open');
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}
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setTimeout(() => {
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this._extraHandlers();
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}, 0);
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}
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/**
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* Adds extra event handlers for the body and window if necessary.
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* @private
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*/
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_extraHandlers() {
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var _this = this;
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this.focusableElements = Foundation.Keyboard.findFocusable(this.$element);
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if (!this.options.overlay && this.options.closeOnClick && !this.options.fullScreen) {
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$('body').on('click.zf.reveal', function(e) {
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if (e.target === _this.$element[0] || $.contains(_this.$element[0], e.target)) { return; }
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_this.close();
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});
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}
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if (this.options.closeOnEsc) {
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$(window).on('keydown.zf.reveal', function(e) {
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Foundation.Keyboard.handleKey(e, 'Reveal', {
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close: function() {
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if (_this.options.closeOnEsc) {
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_this.close();
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_this.$anchor.focus();
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}
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}
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});
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});
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}
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// lock focus within modal while tabbing
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this.$element.on('keydown.zf.reveal', function(e) {
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var $target = $(this);
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// handle keyboard event with keyboard util
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Foundation.Keyboard.handleKey(e, 'Reveal', {
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tab_forward: function() {
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if (_this.$element.find(':focus').is(_this.focusableElements.eq(-1))) { // left modal downwards, setting focus to first element
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_this.focusableElements.eq(0).focus();
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return true;
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}
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if (_this.focusableElements.length === 0) { // no focusable elements inside the modal at all, prevent tabbing in general
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return true;
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}
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},
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tab_backward: function() {
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if (_this.$element.find(':focus').is(_this.focusableElements.eq(0)) || _this.$element.is(':focus')) { // left modal upwards, setting focus to last element
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_this.focusableElements.eq(-1).focus();
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return true;
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}
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if (_this.focusableElements.length === 0) { // no focusable elements inside the modal at all, prevent tabbing in general
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return true;
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}
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},
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open: function() {
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if (_this.$element.find(':focus').is(_this.$element.find('[data-close]'))) {
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setTimeout(function() { // set focus back to anchor if close button has been activated
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_this.$anchor.focus();
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}, 1);
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} else if ($target.is(_this.focusableElements)) { // dont't trigger if acual element has focus (i.e. inputs, links, ...)
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_this.open();
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}
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},
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close: function() {
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if (_this.options.closeOnEsc) {
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_this.close();
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_this.$anchor.focus();
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}
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},
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handled: function(preventDefault) {
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if (preventDefault) {
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e.preventDefault();
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}
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}
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});
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});
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}
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/**
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* Closes the modal.
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* @function
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* @fires Reveal#closed
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*/
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close() {
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if (!this.isActive || !this.$element.is(':visible')) {
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return false;
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}
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var _this = this;
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// Motion UI method of hiding
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if (this.options.animationOut) {
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if (this.options.overlay) {
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Foundation.Motion.animateOut(this.$overlay, 'fade-out', finishUp);
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}
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else {
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finishUp();
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}
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Foundation.Motion.animateOut(this.$element, this.options.animationOut);
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}
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// jQuery method of hiding
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else {
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if (this.options.overlay) {
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this.$overlay.hide(0, finishUp);
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}
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else {
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finishUp();
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}
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this.$element.hide(this.options.hideDelay);
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}
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|
|
||
|
|
// Conditionals to remove extra event listeners added on open
|
||
|
|
if (this.options.closeOnEsc) {
|
||
|
|
$(window).off('keydown.zf.reveal');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!this.options.overlay && this.options.closeOnClick) {
|
||
|
|
$('body').off('click.zf.reveal');
|
||
|
|
}
|
||
|
|
|
||
|
|
this.$element.off('keydown.zf.reveal');
|
||
|
|
|
||
|
|
function finishUp() {
|
||
|
|
if (_this.isMobile) {
|
||
|
|
$('html, body').removeClass('is-reveal-open');
|
||
|
|
if(_this.originalScrollPos) {
|
||
|
|
$('body').scrollTop(_this.originalScrollPos);
|
||
|
|
_this.originalScrollPos = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$('body').removeClass('is-reveal-open');
|
||
|
|
}
|
||
|
|
|
||
|
|
_this.$element.attr('aria-hidden', true);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fires when the modal is done closing.
|
||
|
|
* @event Reveal#closed
|
||
|
|
*/
|
||
|
|
_this.$element.trigger('closed.zf.reveal');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resets the modal content
|
||
|
|
* This prevents a running video to keep going in the background
|
||
|
|
*/
|
||
|
|
if (this.options.resetOnClose) {
|
||
|
|
this.$element.html(this.$element.html());
|
||
|
|
}
|
||
|
|
|
||
|
|
this.isActive = false;
|
||
|
|
if (_this.options.deepLink) {
|
||
|
|
if (window.history.replaceState) {
|
||
|
|
window.history.replaceState("", document.title, window.location.pathname);
|
||
|
|
} else {
|
||
|
|
window.location.hash = '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Toggles the open/closed state of a modal.
|
||
|
|
* @function
|
||
|
|
*/
|
||
|
|
toggle() {
|
||
|
|
if (this.isActive) {
|
||
|
|
this.close();
|
||
|
|
} else {
|
||
|
|
this.open();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Destroys an instance of a modal.
|
||
|
|
* @function
|
||
|
|
*/
|
||
|
|
destroy() {
|
||
|
|
if (this.options.overlay) {
|
||
|
|
this.$element.appendTo($('body')); // move $element outside of $overlay to prevent error unregisterPlugin()
|
||
|
|
this.$overlay.hide().off().remove();
|
||
|
|
}
|
||
|
|
this.$element.hide().off();
|
||
|
|
this.$anchor.off('.zf');
|
||
|
|
$(window).off(`.zf.reveal:${this.id}`);
|
||
|
|
|
||
|
|
Foundation.unregisterPlugin(this);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
Reveal.defaults = {
|
||
|
|
/**
|
||
|
|
* Motion-UI class to use for animated elements. If none used, defaults to simple show/hide.
|
||
|
|
* @option
|
||
|
|
* @example 'slide-in-left'
|
||
|
|
*/
|
||
|
|
animationIn: '',
|
||
|
|
/**
|
||
|
|
* Motion-UI class to use for animated elements. If none used, defaults to simple show/hide.
|
||
|
|
* @option
|
||
|
|
* @example 'slide-out-right'
|
||
|
|
*/
|
||
|
|
animationOut: '',
|
||
|
|
/**
|
||
|
|
* Time, in ms, to delay the opening of a modal after a click if no animation used.
|
||
|
|
* @option
|
||
|
|
* @example 10
|
||
|
|
*/
|
||
|
|
showDelay: 0,
|
||
|
|
/**
|
||
|
|
* Time, in ms, to delay the closing of a modal after a click if no animation used.
|
||
|
|
* @option
|
||
|
|
* @example 10
|
||
|
|
*/
|
||
|
|
hideDelay: 0,
|
||
|
|
/**
|
||
|
|
* Allows a click on the body/overlay to close the modal.
|
||
|
|
* @option
|
||
|
|
* @example true
|
||
|
|
*/
|
||
|
|
closeOnClick: true,
|
||
|
|
/**
|
||
|
|
* Allows the modal to close if the user presses the `ESCAPE` key.
|
||
|
|
* @option
|
||
|
|
* @example true
|
||
|
|
*/
|
||
|
|
closeOnEsc: true,
|
||
|
|
/**
|
||
|
|
* If true, allows multiple modals to be displayed at once.
|
||
|
|
* @option
|
||
|
|
* @example false
|
||
|
|
*/
|
||
|
|
multipleOpened: false,
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the modal should push down from the top of the screen.
|
||
|
|
* @option
|
||
|
|
* @example auto
|
||
|
|
*/
|
||
|
|
vOffset: 'auto',
|
||
|
|
/**
|
||
|
|
* Distance, in pixels, the modal should push in from the side of the screen.
|
||
|
|
* @option
|
||
|
|
* @example auto
|
||
|
|
*/
|
||
|
|
hOffset: 'auto',
|
||
|
|
/**
|
||
|
|
* Allows the modal to be fullscreen, completely blocking out the rest of the view. JS checks for this as well.
|
||
|
|
* @option
|
||
|
|
* @example false
|
||
|
|
*/
|
||
|
|
fullScreen: false,
|
||
|
|
/**
|
||
|
|
* Percentage of screen height the modal should push up from the bottom of the view.
|
||
|
|
* @option
|
||
|
|
* @example 10
|
||
|
|
*/
|
||
|
|
btmOffsetPct: 10,
|
||
|
|
/**
|
||
|
|
* Allows the modal to generate an overlay div, which will cover the view when modal opens.
|
||
|
|
* @option
|
||
|
|
* @example true
|
||
|
|
*/
|
||
|
|
overlay: true,
|
||
|
|
/**
|
||
|
|
* Allows the modal to remove and reinject markup on close. Should be true if using video elements w/o using provider's api, otherwise, videos will continue to play in the background.
|
||
|
|
* @option
|
||
|
|
* @example false
|
||
|
|
*/
|
||
|
|
resetOnClose: false,
|
||
|
|
/**
|
||
|
|
* Allows the modal to alter the url on open/close, and allows the use of the `back` button to close modals. ALSO, allows a modal to auto-maniacally open on page load IF the hash === the modal's user-set id.
|
||
|
|
* @option
|
||
|
|
* @example false
|
||
|
|
*/
|
||
|
|
deepLink: false
|
||
|
|
};
|
||
|
|
|
||
|
|
// Window exports
|
||
|
|
Foundation.plugin(Reveal, 'Reveal');
|
||
|
|
|
||
|
|
function iPhoneSniff() {
|
||
|
|
return /iP(ad|hone|od).*OS/.test(window.navigator.userAgent);
|
||
|
|
}
|
||
|
|
|
||
|
|
function androidSniff() {
|
||
|
|
return /Android/.test(window.navigator.userAgent);
|
||
|
|
}
|
||
|
|
|
||
|
|
function mobileSniff() {
|
||
|
|
return iPhoneSniff() || androidSniff();
|
||
|
|
}
|
||
|
|
|
||
|
|
}(jQuery);
|