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friendica_2020-09-1_sharedH.../view/theme/frio/js/theme.js

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JavaScript

// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPLv3-or-later
var jotcache = ""; //The jot cache. We use it as cache to restore old/original jot content
$(document).ready(function () {
// Destroy unused perfect scrollbar in aside element
$("aside").perfectScrollbar("destroy");
//fade in/out based on scrollTop value
var scrollStart;
$(window).scroll(function () {
let currentScroll = $(this).scrollTop();
// Top of the page or going down = hide the button
if (!scrollStart || !currentScroll || currentScroll > scrollStart) {
$("#back-to-top").fadeOut();
scrollStart = currentScroll;
}
// Going up enough = show the button
if (scrollStart - currentScroll > 100) {
$("#back-to-top").fadeIn();
scrollStart = currentScroll;
}
});
// scroll body to 0px on click
$("#back-to-top").click(function () {
$("body,html").animate(
{
scrollTop: 0,
},
400,
);
return false;
});
// add the class "selected" to group widges li if li > a does have the class group-selected
if ($("#sidebar-group-ul li a").hasClass("group-selected")) {
$("#sidebar-group-ul li a.group-selected").parent("li").addClass("selected");
}
// add the class "selected" to forums widges li if li > a does have the class forum-selected
if ($("#forumlist-sidbar-ul li a").hasClass("forum-selected")) {
$("#forumlist-sidbar-ul li a.forum-selected").parent("li").addClass("selected");
}
// add the class "active" to tabmenuli if li > a does have the class active
if ($("#tabmenu ul li a").hasClass("active")) {
$("#tabmenu ul li a.active").parent("li").addClass("active");
}
// give select fields an boostrap classes
// @todo: this needs to be changed in friendica core
$(".field.select, .field.custom").addClass("form-group");
$(".field.select > select, .field.custom > select").addClass("form-control");
// move the tabbar to the second nav bar
$("section .tabbar-wrapper").first().appendTo("#topbar-second > .container > #tabmenu");
// add mask css url to the logo-img container
//
// This is for firefox - we use a mask which looks like the friendica logo to apply user collers
// to the friendica logo (the mask is in nav.tpl at the botom). To make it work we need to apply the
// correct url. The only way which comes to my mind was to do this with js
// So we apply the correct url (with the link to the id of the mask) after the page is loaded.
if ($("#logo-img").length) {
var pageurl = "url('" + window.location.href + "#logo-mask')";
$("#logo-img").css({ mask: pageurl });
}
// make responsive tabmenu with flexmenu.js
// the menupoints which doesn't fit in the second nav bar will moved to a
// dropdown menu. Look at common_tabs.tpl
$("ul.tabs.flex-nav").flexMenu({
cutoff: 2,
popupClass: "dropdown-menu pull-right",
popupAbsolute: false,
target: ".flex-target",
});
// add Jot button to the second navbar
let $jotButton = $("#jotOpen");
if ($jotButton.length) {
$jotButton.appendTo("#topbar-second > .container > #navbar-button");
if ($("#jot-popup").is(":hidden")) {
$jotButton.hide();
}
$jotButton.on("click", function (e) {
e.preventDefault();
jotShow();
});
}
let $body = $("body");
// show bulk deletion button at network page if checkbox is checked
$body.change("input.item-select", function () {
var checked = false;
// We need to get all checked items, so it would close the delete button
// if we uncheck one item and others are still checked.
// So return checked = true if there is any checked item
$("input.item-select").each(function () {
if ($(this).is(":checked")) {
checked = true;
return false;
}
});
if (checked) {
$("#item-delete-selected").fadeTo(400, 1);
$("#item-delete-selected").show();
} else {
$("#item-delete-selected").fadeTo(400, 0, function () {
$("#item-delete-selected").hide();
});
}
});
// initialize the bootstrap tooltips
$body.tooltip({
selector: '[data-toggle="tooltip"]',
container: "body",
animation: true,
html: true,
placement: "auto",
trigger: "hover",
delay: {
show: 500,
hide: 100,
},
sanitizeFn: function (content) {
return DOMPurify.sanitize(content);
},
});
// initialize the bootstrap-select
$(".selectpicker").selectpicker();
// add search-heading to the second navbar
if ($(".search-heading").length) {
$(".search-heading").appendTo("#topbar-second > .container > #tabmenu");
}
// add search results heading to the second navbar
// and insert the search value to the top nav search input
if ($(".search-content-wrapper").length) {
// get the text of the heading (we catch the plain text because we don't
// want to have a h4 heading in the navbar
var searchText = $(".section-title-wrapper > h2").html();
// temporary workaround to avoid 'undefined' being displayed (issue #9789)
// https://github.com/friendica/friendica/issues/9789
// TODO: find a way to localize this string
if (typeof searchText === "undefined") {
searchText = "No results";
}
// insert the plain text in a <h4> heading and give it a class
var newText = '<h4 class="search-heading">' + searchText + "</h4>";
// append the new heading to the navbar
$("#topbar-second > .container > #tabmenu").append(newText);
// try to get the value of the original search input to insert it
// as value in the nav-search-input
var searchValue = $("#search-wrapper .form-group-search input").val();
// if the orignal search value isn't available use the location path as value
if (typeof searchValue === "undefined") {
// get the location path
var urlPath = window.location.search;
// and split it up in its parts
var splitPath = urlPath.split(/(\?search?=)(.*$)/);
if (typeof splitPath[2] !== "undefined") {
// decode the path (e.g to decode %40 to the character @)
var searchValue = decodeURIComponent(splitPath[2]);
}
}
if (typeof searchValue !== "undefined") {
$("#nav-search-input-field").val(searchValue);
}
}
// move the "Save the search" button to the second navbar
$(".search-content-wrapper #search-save").appendTo("#topbar-second > .container > #navbar-button");
// append the vcard-short-info to the second nav after passing the element
// with .fn (vcard username). Use scrollspy to get the scroll position.
if ($("aside .vcard .fn").length) {
$(".vcard .fn").scrollspy({
min: $(".vcard .fn").position().top - 50,
onLeaveTop: function onLeave(element) {
$("#vcard-short-info").fadeOut(500, function () {
$("#vcard-short-info").appendTo("#vcard-short-info-wrapper");
});
},
onEnter: function (element) {
$("#vcard-short-info").appendTo("#nav-short-info");
$("#vcard-short-info").fadeIn(500);
},
});
}
// move the forum contact information of the network page into the second navbar
if ($(".network-content-wrapper > #viewcontact_wrapper-network").length) {
// get the contact-wrapper element and append it to the second nav bar
// Note: We need the first() element with this class since at the present time we
// store also the js template information in the html code and thats why
// there are two elements with this class but we don't want the js template
$(".network-content-wrapper > #viewcontact_wrapper-network .contact-wrapper")
.first()
.appendTo("#nav-short-info");
}
// move heading from network stream to the second navbar nav-short-info section
if ($(".network-content-wrapper > .section-title-wrapper").length) {
// get the heading element
var heading = $(".network-content-wrapper > .section-title-wrapper > h2");
// get the text of the heading
var headingContent = heading.html();
// create a new element with the content of the heading
var newText =
'<h4 class="heading" data-toggle="tooltip" title="' + headingContent + '">' + headingContent + "</h4>";
// remove the old heading element
heading.remove(),
// put the new element to the second nav bar
$("#topbar-second #nav-short-info").append(newText);
}
if ($(".community-content-wrapper").length) {
// get the heading element
var heading = $(".community-content-wrapper > h3").first();
// get the text of the heading
var headingContent = heading.html();
// create a new element with the content of the heading
var newText = '<h4 class="heading">' + headingContent + "</h4>";
// remove the old heading element
heading.remove(),
// put the new element to the second nav bar
$("#topbar-second > .container > #tabmenu").append(newText);
}
// Dropdown menus with the class "dropdown-head" will display the active tab
// as button text
$body.on("click", ".dropdown-head .dropdown-menu li a, .dropdown-head .dropdown-menu li button", function () {
toggleDropdownText(this);
});
// Change the css class while clicking on the switcher elements
$(".toggle label, .toggle .toggle-handle").click(function (event) {
event.preventDefault();
// Get the value of the input element
var input = $(this).siblings("input");
var val = 1 - input.val();
var id = input.attr("id");
// The css classes for "on" and "off"
var onstyle = "btn-primary";
var offstyle = "btn-default off";
// According to the value of the input element we need to decide
// which class need to be added and removed when changing the switch
var removedclass = val == 0 ? onstyle : offstyle;
var addedclass = val == 0 ? offstyle : onstyle;
$("#" + id + "_onoff")
.addClass(addedclass)
.removeClass(removedclass);
// After changing the switch the input element is getting
// the newvalue
input.val(val);
});
// Set the padding for input elements with inline buttons
//
// In Frio we use some input elements where the submit button is visually
// inside the the input field (through css). We need to set a padding-right
// to the input element where the padding value would be at least the width
// of the button. Otherwise long user input would be invisible because it is
// behind the button.
$body.on("click", ".form-group-search > input", function () {
// Get the width of the button (if the button isn't available
// buttonWidth will be null
var buttonWidth = $(this).next(".form-button-search").outerWidth();
if (buttonWidth) {
// Take the width of the button and ad 5px
var newWidth = buttonWidth + 5;
// Set the padding of the input element according
// to the width of the button
$(this).css("padding-right", newWidth);
}
});
/*
* This event handler hides all comment UI when the user clicks anywhere on the page
* It ensures that we aren't closing the current comment box
*
* We are making an exception for buttons because of a race condition with the
* comment opening button that results in an already closed comment UI.
*/
$(document).on("mousedown", function (event) {
if (event.target.type === "button") {
return true;
}
var $dontclosethis = $(event.target).closest(".wall-item-comment-wrapper").find(".comment-edit-form");
$(".wall-item-comment-wrapper .comment-edit-submit-wrapper:visible").each(function () {
var $parent = $(this).parent(".comment-edit-form");
var itemId = $parent.data("itemId");
if ($dontclosethis[0] != $parent[0]) {
var textarea = $parent.find("textarea").get(0);
commentCloseUI(textarea, itemId);
}
});
});
// Customize some elements when the app is used in standalone mode on Android
if (window.matchMedia("(display-mode: standalone)").matches) {
// Open links to source outside of the webview
$("body").on("click", ".plink", function (e) {
$(e.target).attr("target", "_blank");
});
}
/*
* This event listeners ensures that the textarea size is updated event if the
* value is changed externally (textcomplete, insertFormatting, fbrowser...)
*/
$(document).on("change", "textarea", function (event) {
autosize.update(event.target);
});
/*
* Sticky aside on page scroll
* We enable the sticky aside only when window is wider than
* 976px - which is the maximum width where the aside is shown in
* mobile style - because on chrome-based browsers (desktop and
* android) the sticky plugin in mobile style causes the browser to
* scroll back to top the main content, making it impossible
* to navigate.
* A side effect is that the sitky aside isn't really responsive,
* since is enabled or not at page loading time.
*/
if ($(window).width() > 976) {
$("aside").stick_in_parent({
offset_top: 100, // px, header + tab bar + spacing
recalc_every: 10,
});
// recalculate sticky aside on clicks on <a> elements
// this handle height changes on expanding submenus
$("aside").on("click", "a", function () {
$(document.body).trigger("sticky_kit:recalc");
});
}
/*
* Add or remove "aside-out" class to body tag
* when the mobile aside is shown or hidden.
* The class is used in css to disable scroll in page when the aside
* is shown.
*/
$("aside")
.on("shown.bs.offcanvas", function () {
$body.addClass("aside-out");
})
.on("hidden.bs.offcanvas", function () {
$body.removeClass("aside-out");
});
// Right offcanvas elements
let $offcanvas_right_toggle = $(".offcanvas-right-toggle");
let $offcanvas_right_container = $("#offcanvasUsermenu"); // Use ID for faster lookup, class is .offcanvas-right
$offcanvas_right_toggle.on("click", function (event) {
event.preventDefault();
$("body").toggleClass("offcanvas-right-active");
});
// Close the right offcanvas menu when clicking somewhere
$(document).on("mouseup touchend", function (event) {
if (
// Clicked element is not inside the menu
!$offcanvas_right_container.is(event.target) &&
$offcanvas_right_container.has(event.target).length === 0 &&
// Clicked element is not the toggle button (taken care by the toggleClass above)
!$offcanvas_right_toggle.is(event.target) &&
$offcanvas_right_toggle.has(event.target).length === 0
) {
$("body").removeClass("offcanvas-right-active");
}
});
// Event listener for 'Show & hide event map' button in the network stream.
$body.on("click", ".event-map-btn", function () {
showHideEventMap(this);
});
// Comment form submit
$body.on("submit", ".comment-edit-form", function (e) {
let $form = $(this);
let id = $form.data("item-id");
// Compose page form exception: id is always 0 and form must not be submitted asynchronously
if (id === 0) {
return;
}
e.preventDefault();
let $commentSubmit = $form.find(".comment-edit-submit").button("loading");
unpause();
commentBusy = true;
$.post("item", $form.serialize(), "json")
.then(function (data) {
if (data.success) {
$("#comment-edit-wrapper-" + id).hide();
let $textarea = $("#comment-edit-text-" + id);
$textarea.val("");
if ($textarea.get(0)) {
commentClose($textarea.get(0), id);
}
if (timer) {
clearTimeout(timer);
}
timer = setTimeout(NavUpdate, 10);
force_update = true;
update_item = id;
}
if (data.reload) {
window.location.href = data.reload;
}
})
.always(function () {
$commentSubmit.button("reset");
});
});
if (!navigator.canShare || !navigator.canShare()) {
$('.button-browser-share').hide();
}
});
function openClose(theID) {
var elem = document.getElementById(theID);
if ($(elem).is(":visible")) {
$(elem).slideUp(200);
} else {
$(elem).slideDown(200);
}
}
function showHide(theID) {
var elem = document.getElementById(theID);
var edit = document.getElementById("comment-edit-submit-wrapper-" + theID.match("[0-9$]+"));
if ($(elem).is(":visible")) {
if (!$(edit).is(":visible")) {
edit.style.display = "block";
} else {
elem.style.display = "none";
}
} else {
elem.style.display = "block";
}
}
// Show & hide event map in the network stream by button click.
function showHideEventMap(elm) {
// Get the id of the map element - it should be provided through
// the atribute "data-map-id".
var mapID = elm.getAttribute("data-map-id");
// Get translation labels.
var mapshow = elm.getAttribute("data-show-label");
var maphide = elm.getAttribute("data-hide-label");
// Change the button labels.
if (elm.innerText == mapshow) {
$("#" + elm.id).text(maphide);
} else {
$("#" + elm.id).text(mapshow);
}
// Because maps are iframe elements, we cant hide it through css (display: none).
// We solve this issue by putting the map outside the screen with css.
// So the first time the 'Show map' button is pressed we move the map
// element into the screen area.
var mappos = $("#" + mapID).css("position");
if (mappos === "absolute") {
$("#" + mapID).hide();
$("#" + mapID).css({ position: "relative", left: "auto", top: "auto" });
openClose(mapID);
} else {
openClose(mapID);
}
return false;
}
function justifyPhotos() {
justifiedGalleryActive = true;
$("#photo-album-contents")
.justifiedGallery({
margins: 3,
border: 0,
sizeRangeSuffixes: {
lt48: "-6",
lt80: "-5",
lt300: "-4",
lt320: "-2",
lt640: "-1",
lt1024: "-0",
},
})
.on("jg.complete", function (e) {
justifiedGalleryActive = false;
});
}
// Load a js script to the html head.
function loadScript(url, callback) {
// Check if the script is already in the html head.
var oscript = $('head script[src="' + url + '"]');
// Delete the old script from head.
if (oscript.length > 0) {
oscript.remove();
}
// Adding the script tag to the head as suggested before.
var head = document.getElementsByTagName("head")[0];
var script = document.createElement("script");
script.type = "text/javascript";
script.src = url;
// Then bind the event to the callback function.
// There are several events for cross browser compatibility.
script.onreadystatechange = callback;
script.onload = callback;
// Fire the loading.
head.appendChild(script);
}
// Does we need a ? or a & to append values to a url
function qOrAmp(url) {
if (url.search("\\?") < 0) {
return "?";
} else {
return "&";
}
}
String.prototype.normalizeLink = function () {
var ret = this.replace("https:", "http:");
var ret = ret.replace("//www", "//");
return ret.rtrim();
};
function cleanContactUrl(url) {
var parts = parseUrl(url);
if (!("scheme" in parts) || !("host" in parts)) {
return url;
}
var newUrl = parts["scheme"] + "://" + parts["host"];
if ("port" in parts) {
newUrl += ":" + parts["port"];
}
if ("path" in parts) {
newUrl += parts["path"];
}
// if(url != newUrl) {
// console.log("Cleaned contact url " + url + " to " + newUrl);
// }
return newUrl;
}
function parseUrl(str, component) {
// eslint-disable-line camelcase
// discuss at: http://locutusjs.io/php/parse_url/
// original by: Steven Levithan (http://blog.stevenlevithan.com)
// reimplemented by: Brett Zamir (http://brett-zamir.me)
// input by: Lorenzo Pisani
// input by: Tony
// improved by: Brett Zamir (http://brett-zamir.me)
// note 1: original by http://stevenlevithan.com/demo/parseuri/js/assets/parseuri.js
// note 1: blog post at http://blog.stevenlevithan.com/archives/parseuri
// note 1: demo at http://stevenlevithan.com/demo/parseuri/js/assets/parseuri.js
// note 1: Does not replace invalid characters with '_' as in PHP,
// note 1: nor does it return false with
// note 1: a seriously malformed URL.
// note 1: Besides function name, is essentially the same as parseUri as
// note 1: well as our allowing
// note 1: an extra slash after the scheme/protocol (to allow file:/// as in PHP)
// example 1: parse_url('http://user:pass@host/path?a=v#a')
// returns 1: {scheme: 'http', host: 'host', user: 'user', pass: 'pass', path: '/path', query: 'a=v', fragment: 'a'}
// example 2: parse_url('http://en.wikipedia.org/wiki/%22@%22_%28album%29')
// returns 2: {scheme: 'http', host: 'en.wikipedia.org', path: '/wiki/%22@%22_%28album%29'}
// example 3: parse_url('https://host.domain.tld/a@b.c/folder')
// returns 3: {scheme: 'https', host: 'host.domain.tld', path: '/a@b.c/folder'}
// example 4: parse_url('https://gooduser:secretpassword@www.example.com/a@b.c/folder?foo=bar')
// returns 4: { scheme: 'https', host: 'www.example.com', path: '/a@b.c/folder', query: 'foo=bar', user: 'gooduser', pass: 'secretpassword' }
var query;
var mode =
(typeof require !== "undefined" ? require("../info/ini_get")("locutus.parse_url.mode") : undefined) || "php";
var key = [
"source",
"scheme",
"authority",
"userInfo",
"user",
"pass",
"host",
"port",
"relative",
"path",
"directory",
"file",
"query",
"fragment",
];
// For loose we added one optional slash to post-scheme to catch file:/// (should restrict this)
var parser = {
php: new RegExp(
[
"(?:([^:\\/?#]+):)?",
"(?:\\/\\/()(?:(?:()(?:([^:@\\/]*):?([^:@\\/]*))?@)?([^:\\/?#]*)(?::(\\d*))?))?",
"()",
"(?:(()(?:(?:[^?#\\/]*\\/)*)()(?:[^?#]*))(?:\\?([^#]*))?(?:#(.*))?)",
].join(""),
),
strict: new RegExp(
[
"(?:([^:\\/?#]+):)?",
"(?:\\/\\/((?:(([^:@\\/]*):?([^:@\\/]*))?@)?([^:\\/?#]*)(?::(\\d*))?))?",
"((((?:[^?#\\/]*\\/)*)([^?#]*))(?:\\?([^#]*))?(?:#(.*))?)",
].join(""),
),
loose: new RegExp(
[
"(?:(?![^:@]+:[^:@\\/]*@)([^:\\/?#.]+):)?",
"(?:\\/\\/\\/?)?",
"((?:(([^:@\\/]*):?([^:@\\/]*))?@)?([^:\\/?#]*)(?::(\\d*))?)",
"(((\\/(?:[^?#](?![^?#\\/]*\\.[^?#\\/.]+(?:[?#]|$)))*\\/?)?([^?#\\/]*))",
"(?:\\?([^#]*))?(?:#(.*))?)",
].join(""),
),
};
var m = parser[mode].exec(str);
var uri = {};
var i = 14;
while (i--) {
if (m[i]) {
uri[key[i]] = m[i];
}
}
if (component) {
return uri[component.replace("PHP_URL_", "").toLowerCase()];
}
if (mode !== "php") {
var name =
(typeof require !== "undefined" ? require("../info/ini_get")("locutus.parse_url.queryKey") : undefined) ||
"queryKey";
parser = /(?:^|&)([^&=]*)=?([^&]*)/g;
uri[name] = {};
query = uri[key[12]] || "";
query.replace(parser, function ($0, $1, $2) {
if ($1) {
uri[name][$1] = $2;
}
});
}
delete uri.source;
return uri;
}
// trim function to replace whithespace after the string
String.prototype.rtrim = function () {
var trimmed = this.replace(/\s+$/g, "");
return trimmed;
};
/**
* Scroll the screen to the item element whose id is provided, then highlights it
*
* Note: jquery.color.js is required
*
* @param {string} elementId The item element id
* @returns {undefined}
*/
function scrollToItem(elementId) {
if (typeof elementId === "undefined") {
return;
}
var $el = $("#" + elementId + " > .media");
// Test if the Item exists
if (!$el.length) {
return;
}
// Define the colors which are used for highlighting
var colWhite = { backgroundColor: "#F5F5F5" };
var colShiny = { backgroundColor: "#FFF176" };
// Get the Item Position (we need to substract 100 to match correct position
var itemPos = $el.offset().top - 100;
// Scroll to the DIV with the ID (GUID)
$("html, body")
.animate(
{
scrollTop: itemPos,
},
400,
)
.promise()
.done(function () {
// Highlight post/commenent with ID (GUID)
$el.animate(colWhite, 1000).animate(colShiny).animate({ backgroundColor: "transparent" }, 600);
});
}
// format a html string to pure text
function htmlToText(htmlString) {
// Replace line breaks with spaces
var text = htmlString.replace(/<br>/g, " ");
// Strip the text out of the html string
text = text.replace(/<[^>]*>/g, "");
return text;
}
/**
* Sends a /like API call and updates the display of the relevant action button
* before the update reloads the item.
*
* @param {int} ident The id of the relevant item
* @param {string} verb The verb of the action
* @param {boolean} un Whether to perform an activity removal instead of creation
*/
function doActivityItemAction(ident, verb, un) {
if (verb.indexOf("attend") === 0) {
$(".item-" + ident + " .button-event:not(#" + verb + "-" + ident + ")").removeClass("active");
}
$("#" + verb + "-" + ident).toggleClass("active");
doActivityItem(ident, verb, un);
}
// Decodes a hexadecimally encoded binary string
function hex2bin(s) {
// discuss at: http://locutus.io/php/hex2bin/
// original by: Dumitru Uzun (http://duzun.me)
// example 1: hex2bin('44696d61')
// returns 1: 'Dima'
// example 2: hex2bin('00')
// returns 2: '\x00'
// example 3: hex2bin('2f1q')
// returns 3: false
var ret = [];
var i = 0;
var l;
s += "";
for (l = s.length; i < l; i += 2) {
var c = parseInt(s.substr(i, 1), 16);
var k = parseInt(s.substr(i + 1, 1), 16);
if (isNaN(c) || isNaN(k)) {
return false;
}
ret.push((c << 4) | k);
}
return String.fromCharCode.apply(String, ret);
}
// Convert binary data into hexadecimal representation
function bin2hex(s) {
// From: http://phpjs.org/functions
// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + bugfixed by: Onno Marsman
// + bugfixed by: Linuxworld
// + improved by: ntoniazzi (http://phpjs.org/functions/bin2hex:361#comment_177616)
// * example 1: bin2hex('Kev');
// * returns 1: '4b6576'
// * example 2: bin2hex(String.fromCharCode(0x00));
// * returns 2: '00'
var i,
l,
o = "",
n;
s += "";
for (i = 0, l = s.length; i < l; i++) {
n = s.charCodeAt(i).toString(16);
o += n.length < 2 ? "0" + n : n;
}
return o;
}
// Dropdown menus with the class "dropdown-head" will display the active tab
// as button text
function toggleDropdownText(elm) {
$(elm)
.closest(".dropdown")
.find(".btn")
.html($(elm).html() + ' <span class="caret"></span>');
$(elm).closest(".dropdown").find(".btn").val($(elm).data("value"));
$(elm).closest("ul").children("li").show();
$(elm).parent("li").hide();
}
// Check if element does have a specific class
function hasClass(elem, cls) {
return (" " + elem.className + " ").indexOf(" " + cls + " ") > -1;
}
// @license-end