786 lines
19 KiB
JavaScript
786 lines
19 KiB
JavaScript
/*
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* Remodal - v1.1.0
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* Responsive, lightweight, fast, synchronized with CSS animations, fully customizable modal window plugin with declarative configuration and hash tracking.
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* http://vodkabears.github.io/remodal/
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*
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* Made by Ilya Makarov
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* Under MIT License
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*/
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!(function(root, factory) {
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if (typeof define === 'function' && define.amd) {
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define(['jquery'], function($) {
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return factory(root, $);
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});
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} else if (typeof exports === 'object') {
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factory(root, require('jquery'));
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} else {
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factory(root, root.jQuery || root.Zepto);
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}
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})(this, function(global, $) {
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'use strict';
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/**
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* Name of the plugin
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* @private
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* @const
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* @type {String}
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*/
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var PLUGIN_NAME = 'remodal';
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/**
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* Namespace for CSS and events
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* @private
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* @const
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* @type {String}
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*/
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var NAMESPACE = global.REMODAL_GLOBALS && global.REMODAL_GLOBALS.NAMESPACE || PLUGIN_NAME;
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/**
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* Animationstart event with vendor prefixes
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* @private
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* @const
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* @type {String}
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*/
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var ANIMATIONSTART_EVENTS = $.map(
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['animationstart', 'webkitAnimationStart', 'MSAnimationStart', 'oAnimationStart'],
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function(eventName) {
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return eventName + '.' + NAMESPACE;
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}
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).join(' ');
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/**
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* Animationend event with vendor prefixes
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* @private
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* @const
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* @type {String}
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*/
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var ANIMATIONEND_EVENTS = $.map(
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['animationend', 'webkitAnimationEnd', 'MSAnimationEnd', 'oAnimationEnd'],
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function(eventName) {
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return eventName + '.' + NAMESPACE;
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}
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).join(' ');
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/**
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* Default settings
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* @private
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* @const
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* @type {Object}
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*/
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var DEFAULTS = $.extend({
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hashTracking: true,
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closeOnConfirm: true,
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closeOnCancel: true,
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closeOnEscape: true,
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closeOnOutsideClick: true,
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modifier: '',
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appendTo: null
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}, global.REMODAL_GLOBALS && global.REMODAL_GLOBALS.DEFAULTS);
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/**
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* States of the Remodal
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* @private
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* @const
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* @enum {String}
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*/
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var STATES = {
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CLOSING: 'closing',
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CLOSED: 'closed',
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OPENING: 'opening',
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OPENED: 'opened'
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};
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/**
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* Reasons of the state change.
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* @private
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* @const
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* @enum {String}
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*/
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var STATE_CHANGE_REASONS = {
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CONFIRMATION: 'confirmation',
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CANCELLATION: 'cancellation'
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};
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/**
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* Is animation supported?
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* @private
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* @const
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* @type {Boolean}
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*/
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var IS_ANIMATION = (function() {
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var style = document.createElement('div').style;
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return style.animationName !== undefined ||
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style.WebkitAnimationName !== undefined ||
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style.MozAnimationName !== undefined ||
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style.msAnimationName !== undefined ||
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style.OAnimationName !== undefined;
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})();
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/**
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* Is iOS?
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* @private
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* @const
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* @type {Boolean}
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*/
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var IS_IOS = /iPad|iPhone|iPod/.test(navigator.platform);
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/**
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* Current modal
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* @private
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* @type {Remodal}
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*/
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var current;
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/**
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* Scrollbar position
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* @private
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* @type {Number}
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*/
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var scrollTop;
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/**
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* Returns an animation duration
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* @private
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* @param {jQuery} $elem
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* @returns {Number}
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*/
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function getAnimationDuration($elem) {
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if (
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IS_ANIMATION &&
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$elem.css('animation-name') === 'none' &&
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$elem.css('-webkit-animation-name') === 'none' &&
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$elem.css('-moz-animation-name') === 'none' &&
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$elem.css('-o-animation-name') === 'none' &&
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$elem.css('-ms-animation-name') === 'none'
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) {
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return 0;
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}
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var duration = $elem.css('animation-duration') ||
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$elem.css('-webkit-animation-duration') ||
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$elem.css('-moz-animation-duration') ||
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$elem.css('-o-animation-duration') ||
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$elem.css('-ms-animation-duration') ||
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'0s';
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var delay = $elem.css('animation-delay') ||
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$elem.css('-webkit-animation-delay') ||
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$elem.css('-moz-animation-delay') ||
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$elem.css('-o-animation-delay') ||
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$elem.css('-ms-animation-delay') ||
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'0s';
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var iterationCount = $elem.css('animation-iteration-count') ||
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$elem.css('-webkit-animation-iteration-count') ||
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$elem.css('-moz-animation-iteration-count') ||
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$elem.css('-o-animation-iteration-count') ||
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$elem.css('-ms-animation-iteration-count') ||
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'1';
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var max;
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var len;
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var num;
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var i;
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duration = duration.split(', ');
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delay = delay.split(', ');
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iterationCount = iterationCount.split(', ');
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// The 'duration' size is the same as the 'delay' size
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for (i = 0, len = duration.length, max = Number.NEGATIVE_INFINITY; i < len; i++) {
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num = parseFloat(duration[i]) * parseInt(iterationCount[i], 10) + parseFloat(delay[i]);
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if (num > max) {
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max = num;
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}
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}
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return max;
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}
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/**
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* Returns a scrollbar width
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* @private
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* @returns {Number}
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*/
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function getScrollbarWidth() {
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if ($(document.body).height() <= $(window).height()) {
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return 0;
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}
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var outer = document.createElement('div');
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var inner = document.createElement('div');
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var widthNoScroll;
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var widthWithScroll;
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outer.style.visibility = 'hidden';
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outer.style.width = '100px';
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document.body.appendChild(outer);
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widthNoScroll = outer.offsetWidth;
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// Force scrollbars
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outer.style.overflow = 'scroll';
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// Add inner div
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inner.style.width = '100%';
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outer.appendChild(inner);
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widthWithScroll = inner.offsetWidth;
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// Remove divs
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outer.parentNode.removeChild(outer);
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return widthNoScroll - widthWithScroll;
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}
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/**
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* Locks the screen
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* @private
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*/
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function lockScreen() {
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if (IS_IOS) {
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return;
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}
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var $html = $('html');
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var lockedClass = namespacify('is-locked');
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var paddingRight;
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var $body;
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if (!$html.hasClass(lockedClass)) {
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$body = $(document.body);
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// Zepto does not support '-=', '+=' in the `css` method
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paddingRight = parseInt($body.css('padding-right'), 10) + getScrollbarWidth();
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$body.css('padding-right', paddingRight + 'px');
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$html.addClass(lockedClass);
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}
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}
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/**
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* Unlocks the screen
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* @private
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*/
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function unlockScreen() {
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if (IS_IOS) {
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return;
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}
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var $html = $('html');
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var lockedClass = namespacify('is-locked');
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var paddingRight;
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var $body;
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if ($html.hasClass(lockedClass)) {
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$body = $(document.body);
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// Zepto does not support '-=', '+=' in the `css` method
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paddingRight = parseInt($body.css('padding-right'), 10) - getScrollbarWidth();
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$body.css('padding-right', paddingRight + 'px');
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$html.removeClass(lockedClass);
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}
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}
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/**
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* Sets a state for an instance
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* @private
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* @param {Remodal} instance
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* @param {STATES} state
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* @param {Boolean} isSilent If true, Remodal does not trigger events
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* @param {String} Reason of a state change.
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*/
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function setState(instance, state, isSilent, reason) {
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var newState = namespacify('is', state);
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var allStates = [namespacify('is', STATES.CLOSING),
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namespacify('is', STATES.OPENING),
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namespacify('is', STATES.CLOSED),
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namespacify('is', STATES.OPENED)].join(' ');
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instance.$bg
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.removeClass(allStates)
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.addClass(newState);
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instance.$overlay
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.removeClass(allStates)
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.addClass(newState);
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instance.$wrapper
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.removeClass(allStates)
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.addClass(newState);
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instance.$modal
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.removeClass(allStates)
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.addClass(newState);
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instance.state = state;
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!isSilent && instance.$modal.trigger({
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type: state,
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reason: reason
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}, [{ reason: reason }]);
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}
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/**
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* Synchronizes with the animation
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* @param {Function} doBeforeAnimation
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* @param {Function} doAfterAnimation
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* @param {Remodal} instance
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*/
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function syncWithAnimation(doBeforeAnimation, doAfterAnimation, instance) {
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var runningAnimationsCount = 0;
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var handleAnimationStart = function(e) {
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if (e.target !== this) {
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return;
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}
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runningAnimationsCount++;
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};
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var handleAnimationEnd = function(e) {
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if (e.target !== this) {
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return;
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}
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if (--runningAnimationsCount === 0) {
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// Remove event listeners
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$.each(['$bg', '$overlay', '$wrapper', '$modal'], function(index, elemName) {
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instance[elemName].off(ANIMATIONSTART_EVENTS + ' ' + ANIMATIONEND_EVENTS);
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});
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doAfterAnimation();
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}
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};
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$.each(['$bg', '$overlay', '$wrapper', '$modal'], function(index, elemName) {
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instance[elemName]
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.on(ANIMATIONSTART_EVENTS, handleAnimationStart)
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.on(ANIMATIONEND_EVENTS, handleAnimationEnd);
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});
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doBeforeAnimation();
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// If the animation is not supported by a browser or its duration is 0
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if (
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getAnimationDuration(instance.$bg) === 0 &&
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getAnimationDuration(instance.$overlay) === 0 &&
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getAnimationDuration(instance.$wrapper) === 0 &&
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getAnimationDuration(instance.$modal) === 0
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) {
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// Remove event listeners
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$.each(['$bg', '$overlay', '$wrapper', '$modal'], function(index, elemName) {
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instance[elemName].off(ANIMATIONSTART_EVENTS + ' ' + ANIMATIONEND_EVENTS);
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});
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doAfterAnimation();
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}
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}
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/**
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* Closes immediately
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* @private
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* @param {Remodal} instance
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*/
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function halt(instance) {
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if (instance.state === STATES.CLOSED) {
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return;
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}
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$.each(['$bg', '$overlay', '$wrapper', '$modal'], function(index, elemName) {
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instance[elemName].off(ANIMATIONSTART_EVENTS + ' ' + ANIMATIONEND_EVENTS);
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});
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instance.$bg.removeClass(instance.settings.modifier);
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instance.$overlay.removeClass(instance.settings.modifier).hide();
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instance.$wrapper.hide();
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unlockScreen();
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setState(instance, STATES.CLOSED, true);
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}
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/**
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* Parses a string with options
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* @private
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* @param str
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* @returns {Object}
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*/
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function parseOptions(str) {
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var obj = {};
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var arr;
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var len;
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var val;
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var i;
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// Remove spaces before and after delimiters
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str = str.replace(/\s*:\s*/g, ':').replace(/\s*,\s*/g, ',');
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// Parse a string
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arr = str.split(',');
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for (i = 0, len = arr.length; i < len; i++) {
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arr[i] = arr[i].split(':');
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val = arr[i][1];
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// Convert a string value if it is like a boolean
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if (typeof val === 'string' || val instanceof String) {
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val = val === 'true' || (val === 'false' ? false : val);
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}
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// Convert a string value if it is like a number
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if (typeof val === 'string' || val instanceof String) {
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val = !isNaN(val) ? +val : val;
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}
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obj[arr[i][0]] = val;
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}
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return obj;
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}
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/**
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* Generates a string separated by dashes and prefixed with NAMESPACE
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* @private
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* @param {...String}
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* @returns {String}
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*/
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function namespacify() {
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var result = NAMESPACE;
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for (var i = 0; i < arguments.length; ++i) {
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result += '-' + arguments[i];
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}
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return result;
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}
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/**
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* Handles the hashchange event
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* @private
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* @listens hashchange
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*/
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function handleHashChangeEvent() {
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var id = location.hash.replace('#', '');
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var instance;
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var $elem;
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if (!id) {
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// Check if we have currently opened modal and animation was completed
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if (current && current.state === STATES.OPENED && current.settings.hashTracking) {
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current.close();
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}
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} else {
|
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|
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// Catch syntax error if your hash is bad
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try {
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$elem = $(
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'[data-' + PLUGIN_NAME + '-id="' + id + '"]'
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);
|
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} catch (err) {}
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|
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if ($elem && $elem.length) {
|
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instance = $[PLUGIN_NAME].lookup[$elem.data(PLUGIN_NAME)];
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|
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if (instance && instance.settings.hashTracking) {
|
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instance.open();
|
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}
|
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}
|
|
|
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}
|
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}
|
|
|
|
/**
|
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* Remodal constructor
|
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* @constructor
|
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* @param {jQuery} $modal
|
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* @param {Object} options
|
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*/
|
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function Remodal($modal, options) {
|
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var $body = $(document.body);
|
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var $appendTo = $body;
|
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var remodal = this;
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|
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remodal.settings = $.extend({}, DEFAULTS, options);
|
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remodal.index = $[PLUGIN_NAME].lookup.push(remodal) - 1;
|
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remodal.state = STATES.CLOSED;
|
|
|
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remodal.$overlay = $('.' + namespacify('overlay'));
|
|
|
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if (remodal.settings.appendTo !== null && remodal.settings.appendTo.length) {
|
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$appendTo = $(remodal.settings.appendTo);
|
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}
|
|
|
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if (!remodal.$overlay.length) {
|
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remodal.$overlay = $('<div>').addClass(namespacify('overlay') + ' ' + namespacify('is', STATES.CLOSED)).hide();
|
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$appendTo.append(remodal.$overlay);
|
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}
|
|
|
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remodal.$bg = $('.' + namespacify('bg')).addClass(namespacify('is', STATES.CLOSED));
|
|
|
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remodal.$modal = $modal
|
|
.addClass(
|
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NAMESPACE + ' ' +
|
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namespacify('is-initialized') + ' ' +
|
|
remodal.settings.modifier + ' ' +
|
|
namespacify('is', STATES.CLOSED))
|
|
.attr('tabindex', '-1');
|
|
|
|
remodal.$wrapper = $('<div>')
|
|
.addClass(
|
|
namespacify('wrapper') + ' ' +
|
|
remodal.settings.modifier + ' ' +
|
|
namespacify('is', STATES.CLOSED))
|
|
.hide()
|
|
.append(remodal.$modal);
|
|
$appendTo.append(remodal.$wrapper);
|
|
|
|
// Add the event listener for the close button
|
|
remodal.$wrapper.on('click.' + NAMESPACE, '[data-' + PLUGIN_NAME + '-action="close"]', function(e) {
|
|
e.preventDefault();
|
|
|
|
remodal.close();
|
|
});
|
|
|
|
// Add the event listener for the cancel button
|
|
remodal.$wrapper.on('click.' + NAMESPACE, '[data-' + PLUGIN_NAME + '-action="cancel"]', function(e) {
|
|
e.preventDefault();
|
|
|
|
remodal.$modal.trigger(STATE_CHANGE_REASONS.CANCELLATION);
|
|
|
|
if (remodal.settings.closeOnCancel) {
|
|
remodal.close(STATE_CHANGE_REASONS.CANCELLATION);
|
|
}
|
|
});
|
|
|
|
// Add the event listener for the confirm button
|
|
remodal.$wrapper.on('click.' + NAMESPACE, '[data-' + PLUGIN_NAME + '-action="confirm"]', function(e) {
|
|
e.preventDefault();
|
|
|
|
remodal.$modal.trigger(STATE_CHANGE_REASONS.CONFIRMATION);
|
|
|
|
if (remodal.settings.closeOnConfirm) {
|
|
remodal.close(STATE_CHANGE_REASONS.CONFIRMATION);
|
|
}
|
|
});
|
|
|
|
// Add the event listener for the overlay
|
|
remodal.$wrapper.on('click.' + NAMESPACE, function(e) {
|
|
var $target = $(e.target);
|
|
|
|
if (!$target.hasClass(namespacify('wrapper'))) {
|
|
return;
|
|
}
|
|
|
|
if (remodal.settings.closeOnOutsideClick) {
|
|
remodal.close();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Opens a modal window
|
|
* @public
|
|
*/
|
|
Remodal.prototype.open = function() {
|
|
var remodal = this;
|
|
var id;
|
|
|
|
// Check if the animation was completed
|
|
if (remodal.state === STATES.OPENING || remodal.state === STATES.CLOSING) {
|
|
return;
|
|
}
|
|
|
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id = remodal.$modal.attr('data-' + PLUGIN_NAME + '-id');
|
|
|
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if (id && remodal.settings.hashTracking) {
|
|
scrollTop = $(window).scrollTop();
|
|
location.hash = id;
|
|
}
|
|
|
|
if (current && current !== remodal) {
|
|
halt(current);
|
|
}
|
|
|
|
current = remodal;
|
|
lockScreen();
|
|
remodal.$bg.addClass(remodal.settings.modifier);
|
|
remodal.$overlay.addClass(remodal.settings.modifier).show();
|
|
remodal.$wrapper.show().scrollTop(0);
|
|
remodal.$modal.focus();
|
|
|
|
syncWithAnimation(
|
|
function() {
|
|
setState(remodal, STATES.OPENING);
|
|
},
|
|
|
|
function() {
|
|
setState(remodal, STATES.OPENED);
|
|
},
|
|
|
|
remodal);
|
|
};
|
|
|
|
/**
|
|
* Closes a modal window
|
|
* @public
|
|
* @param {String} reason
|
|
*/
|
|
Remodal.prototype.close = function(reason) {
|
|
var remodal = this;
|
|
|
|
// Check if the animation was completed
|
|
if (remodal.state === STATES.OPENING || remodal.state === STATES.CLOSING) {
|
|
return;
|
|
}
|
|
|
|
if (
|
|
remodal.settings.hashTracking &&
|
|
remodal.$modal.attr('data-' + PLUGIN_NAME + '-id') === location.hash.substr(1)
|
|
) {
|
|
location.hash = '';
|
|
$(window).scrollTop(scrollTop);
|
|
}
|
|
|
|
syncWithAnimation(
|
|
function() {
|
|
setState(remodal, STATES.CLOSING, false, reason);
|
|
},
|
|
|
|
function() {
|
|
remodal.$bg.removeClass(remodal.settings.modifier);
|
|
remodal.$overlay.removeClass(remodal.settings.modifier).hide();
|
|
remodal.$wrapper.hide();
|
|
unlockScreen();
|
|
|
|
setState(remodal, STATES.CLOSED, false, reason);
|
|
},
|
|
|
|
remodal);
|
|
};
|
|
|
|
/**
|
|
* Returns a current state of a modal
|
|
* @public
|
|
* @returns {STATES}
|
|
*/
|
|
Remodal.prototype.getState = function() {
|
|
return this.state;
|
|
};
|
|
|
|
/**
|
|
* Destroys a modal
|
|
* @public
|
|
*/
|
|
Remodal.prototype.destroy = function() {
|
|
var lookup = $[PLUGIN_NAME].lookup;
|
|
var instanceCount;
|
|
|
|
halt(this);
|
|
this.$wrapper.remove();
|
|
|
|
delete lookup[this.index];
|
|
instanceCount = $.grep(lookup, function(instance) {
|
|
return !!instance;
|
|
}).length;
|
|
|
|
if (instanceCount === 0) {
|
|
this.$overlay.remove();
|
|
this.$bg.removeClass(
|
|
namespacify('is', STATES.CLOSING) + ' ' +
|
|
namespacify('is', STATES.OPENING) + ' ' +
|
|
namespacify('is', STATES.CLOSED) + ' ' +
|
|
namespacify('is', STATES.OPENED));
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Special plugin object for instances
|
|
* @public
|
|
* @type {Object}
|
|
*/
|
|
$[PLUGIN_NAME] = {
|
|
lookup: []
|
|
};
|
|
|
|
/**
|
|
* Plugin constructor
|
|
* @constructor
|
|
* @param {Object} options
|
|
* @returns {JQuery}
|
|
*/
|
|
$.fn[PLUGIN_NAME] = function(opts) {
|
|
var instance;
|
|
var $elem;
|
|
|
|
this.each(function(index, elem) {
|
|
$elem = $(elem);
|
|
|
|
if ($elem.data(PLUGIN_NAME) == null) {
|
|
instance = new Remodal($elem, opts);
|
|
$elem.data(PLUGIN_NAME, instance.index);
|
|
|
|
if (
|
|
instance.settings.hashTracking &&
|
|
$elem.attr('data-' + PLUGIN_NAME + '-id') === location.hash.substr(1)
|
|
) {
|
|
instance.open();
|
|
}
|
|
} else {
|
|
instance = $[PLUGIN_NAME].lookup[$elem.data(PLUGIN_NAME)];
|
|
}
|
|
});
|
|
|
|
return instance;
|
|
};
|
|
|
|
$(document).ready(function() {
|
|
|
|
// data-remodal-target opens a modal window with the special Id
|
|
$(document).on('click', '[data-' + PLUGIN_NAME + '-target]', function(e) {
|
|
e.preventDefault();
|
|
|
|
var elem = e.currentTarget;
|
|
var id = elem.getAttribute('data-' + PLUGIN_NAME + '-target');
|
|
var $target = $('[data-' + PLUGIN_NAME + '-id="' + id + '"]');
|
|
|
|
$[PLUGIN_NAME].lookup[$target.data(PLUGIN_NAME)].open();
|
|
});
|
|
|
|
// Auto initialization of modal windows
|
|
// They should have the 'remodal' class attribute
|
|
// Also you can write the `data-remodal-options` attribute to pass params into the modal
|
|
$(document).find('.' + NAMESPACE).each(function(i, container) {
|
|
var $container = $(container);
|
|
var options = $container.data(PLUGIN_NAME + '-options');
|
|
|
|
if (!options) {
|
|
options = {};
|
|
} else if (typeof options === 'string' || options instanceof String) {
|
|
options = parseOptions(options);
|
|
}
|
|
|
|
$container[PLUGIN_NAME](options);
|
|
});
|
|
|
|
// Handles the keydown event
|
|
$(document).on('keydown.' + NAMESPACE, function(e) {
|
|
if (current && current.settings.closeOnEscape && current.state === STATES.OPENED && e.keyCode === 27) {
|
|
current.close();
|
|
}
|
|
});
|
|
|
|
// Handles the hashchange event
|
|
$(window).on('hashchange.' + NAMESPACE, handleHashChangeEvent);
|
|
});
|
|
});
|