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;(function($) {
"use strict";
/**
* Remodal settings
* @private
*/
var pluginName = "remodal",
defaults = {
hashTracking: true,
/* closeOnConfirm: true,
closeOnCancel: true,
closeOnEscape: true,
closeOnAnyClick: true */
},
// Current modal
current,
// Scroll position
scrollTop;
/**
* Get a transition duration in ms
* @param {jQuery} $elem
* @return {Number}
* @private
*/
function getTransitionDuration($elem) {
var duration = $elem.css("transition-duration") ||
$elem.css("-webkit-transition-duration") ||
$elem.css("-moz-transition-duration") ||
$elem.css("-o-transition-duration") ||
$elem.css("-ms-transition-duration") ||
0,
delay = $elem.css("transition-delay") ||
$elem.css("-webkit-transition-delay") ||
$elem.css("-moz-transition-delay") ||
$elem.css("-o-transition-delay") ||
$elem.css("-ms-transition-delay") ||
0;
return (parseFloat(duration) + parseFloat(delay)) * 1000;
}
/**
* Get a scrollbar width
* @return {Number}
* @private
*/
function getScrollbarWidth() {
if ($(document.body).height() <= $(window).height()) {
return 0;
}
var outer = document.createElement("div"),
inner = document.createElement("div"),
widthNoScroll,
widthWithScroll;
outer.style.visibility = "hidden";
outer.style.width = "100px";
document.body.appendChild(outer);
widthNoScroll = outer.offsetWidth;
// Force scrollbars
outer.style.overflow = "scroll";
// Add innerdiv
inner.style.width = "100%";
outer.appendChild(inner);
widthWithScroll = inner.offsetWidth;
// Remove divs
outer.parentNode.removeChild(outer);
return widthNoScroll - widthWithScroll;
}
/**
* Lock screen
* @private
*/
function lockScreen() {
var $body = $(document.body),
// Zepto does not support '-=', '+=' in the `css` method
paddingRight = parseInt($body.css("padding-right"), 10) + getScrollbarWidth();
$body.css("padding-right", paddingRight + "px");
$("html, body").addClass(pluginName + "_lock");
}
/**
* Unlock screen
* @private
*/
function unlockScreen() {
var $body = $(document.body),
// Zepto does not support '-=', '+=' in the `css` method
paddingRight = parseInt($body.css("padding-right"), 10) - getScrollbarWidth();
$body.css("padding-right", paddingRight + "px");
$("html, body").removeClass(pluginName + "_lock");
}
/**
* Parse string with options
* @param str
* @returns {Object}
* @private
*/
function parseOptions(str) {
var obj = {},
arr, len, val, i;
// Remove spaces before and after delimiters
str = str.replace(/\s*:\s*/g, ":").replace(/\s*,\s*/g, ",");
// Parse string
arr = str.split(",");
for (i = 0, len = arr.length; i < len; i++) {
arr[i] = arr[i].split(":");
val = arr[i][1];
// Convert string value if it is like a boolean
if (typeof val === "string" || val instanceof String) {
val = val === "true" || (val === "false" ? false : val);
}
// Convert string value if it is like a number
if (typeof val === "string" || val instanceof String) {
val = !isNaN(val) ? +val : val;
}
obj[arr[i][0]] = val;
}
return obj;
}
/**
* Remodal constructor
* @param {jQuery} $modal
* @param {Object} options
* @constructor
*/
function Remodal($modal, options) {
var remodal = this,
tdOverlay,
tdModal,
tdBg;
remodal.settings = $.extend({}, defaults, options);
// Build DOM
remodal.$body = $(document.body);
remodal.$bg = $("." + pluginName + "-bg");
remodal.$closeButton = $("<a href='#'>").addClass(pluginName + "-close");
remodal.$overlay = $("<div>").addClass(pluginName + "-overlay");
remodal.$modal = $modal;
remodal.$modal.addClass(pluginName);
remodal.$modal.css("visibility", "visible");
remodal.$modal.append(remodal.$closeButton);
remodal.$overlay.append(remodal.$modal);
remodal.$body.append(remodal.$overlay);
remodal.$confirmButton = remodal.$modal.find("." + pluginName + "-confirm");
remodal.$cancelButton = remodal.$modal.find("." + pluginName + "-cancel");
// Calculate timeouts
tdOverlay = getTransitionDuration(remodal.$overlay);
tdModal = getTransitionDuration(remodal.$modal);
tdBg = getTransitionDuration(remodal.$bg);
remodal.td = tdModal > tdOverlay ? tdModal : tdOverlay;
remodal.td = tdBg > remodal.td ? tdBg : remodal.td;
// Add close button event listener
remodal.$closeButton.bind("click." + pluginName, function(e) {
e.preventDefault();
remodal.close();
});
// Add cancel button event listener
remodal.$cancelButton.bind("click." + pluginName, function(e) {
e.preventDefault();
remodal.$modal.trigger("cancel");
if (remodal.settings.closeOnCancel) {
remodal.close();
}
});
// Add confirm button event listener
remodal.$confirmButton.bind("click." + pluginName, function(e) {
e.preventDefault();
remodal.$modal.trigger("confirm");
if (remodal.settings.closeOnConfirm) {
remodal.close();
}
});
// Add keyboard event listener
$(document).bind("keyup." + pluginName, function(e) {
if (e.keyCode === 27 && remodal.settings.closeOnEscape) {
remodal.close();
}
});
// Add overlay event listener
remodal.$overlay.bind("click." + pluginName, function(e) {
var $target = $(e.target);
if (!$target.hasClass(pluginName + "-overlay")) {
return;
}
if (remodal.settings.closeOnAnyClick) {
remodal.close();
}
});
remodal.index = $[pluginName].lookup.push(remodal) - 1;
remodal.busy = false;
}
/**
* Open the modal window
* @public
*/
Remodal.prototype.open = function() {
// Check if animation is complete
if (this.busy) {
return;
}
var remodal = this,
id;
remodal.busy = true;
remodal.$modal.trigger("open");
id = remodal.$modal.attr("data-" + pluginName + "-id");
if (id && remodal.settings.hashTracking) {
scrollTop = $(window).scrollTop();
location.hash = id;
}
if (current && current !== remodal) {
current.$overlay.hide();
current.$body.removeClass(pluginName + "_active");
}
current = remodal;
lockScreen();
remodal.$overlay.show();
setTimeout(function() {
remodal.$body.addClass(pluginName + "_active");
setTimeout(function() {
remodal.busy = false;
remodal.$modal.trigger("opened");
}, remodal.td + 50);
}, 25);
};
/**
* Close the modal window
* @public
*/
Remodal.prototype.close = function() {
// Check if animation is complete
if (this.busy) {
return;
}
this.busy = true;
this.$modal.trigger("close");
var remodal = this;
if (remodal.settings.hashTracking &&
remodal.$modal.attr("data-" + pluginName + "-id") === location.hash.substr(1)) {
location.hash = "";
$(window).scrollTop(scrollTop);
}
remodal.$body.removeClass(pluginName + "_active");
setTimeout(function() {
remodal.$overlay.hide();
unlockScreen();
remodal.busy = false;
remodal.$modal.trigger("closed");
}, remodal.td + 50);
};
/**
* Special plugin object for instances.
* @type {Object}
* @public
*/
$[pluginName] = {
lookup: []
};
/**
* Plugin constructor
* @param {Object} options
* @returns {JQuery}
* @constructor
*/
$.fn[pluginName] = function(opts) {
var instance,
$elem;
this.each(function(index, elem) {
$elem = $(elem);
if ($elem.data(pluginName) == null) {
instance = new Remodal($elem, opts);
$elem.data(pluginName, instance.index);
if (instance.settings.hashTracking &&
$elem.attr("data-" + pluginName + "-id") === location.hash.substr(1)) {
instance.open();
}
}
});
return instance;
};
$(document).ready(function() {
// data-remodal-target opens a modal window with the special Id.
$(document).on("click", "[data-" + pluginName + "-target]", function(e) {
e.preventDefault();
var elem = e.currentTarget,
id = elem.getAttribute("data-" + pluginName + "-target"),
$target = $("[data-" + pluginName + "-id=" + id + "]");
$[pluginName].lookup[$target.data(pluginName)].open();
});
// Auto initialization of modal windows.
// They should have the 'remodal' class attribute.
// Also you can write `data-remodal-options` attribute to pass params into the modal.
$(document).find("." + pluginName).each(function(i, container) {
var $container = $(container),
options = $container.data(pluginName + "-options");
if (!options) {
options = {};
} else if (typeof options === "string" || options instanceof String) {
options = parseOptions(options);
}
$container[pluginName](options);
});
});
/**
* Hashchange handler
* @param {Event} e
* @param {Boolean} [closeOnEmptyHash=true]
* @private
*/
function hashHandler(e, closeOnEmptyHash) {
var id = location.hash.replace("#", ""),
instance,
$elem;
if (typeof closeOnEmptyHash === "undefined") {
closeOnEmptyHash = true;
}
if (!id) {
if (closeOnEmptyHash) {
// Check if we have currently opened modal and animation is complete
if (current && !current.busy && current.settings.hashTracking) {
current.close();
}
}
} else {
// Catch syntax error if your hash is bad
try {
$elem = $(
"[data-" + pluginName + "-id=" +
id.replace(new RegExp("/", "g"), "\\/") + "]"
);
} catch (err) {}
if ($elem && $elem.length) {
instance = $[pluginName].lookup[$elem.data(pluginName)];
if (instance && instance.settings.hashTracking) {
instance.open();
}
}
}
}
$(window).bind("hashchange." + pluginName, hashHandler);
})(window.jQuery || window.Zepto);
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