in document/4.0.0/js/learn.js [85:343]
jQuery(document).ready(function() {
jQuery('#sidebar .category-icon').on('click', function() {
$( this ).toggleClass("fa-angle-down fa-angle-right") ;
$( this ).parent().parent().children('ul').toggle() ;
return false;
});
var sidebarStatus = searchStatus = 'open';
$('#sidebar .highlightable').perfectScrollbar();
// setMenuHeight();
jQuery('#overlay').on('click', function() {
jQuery(document.body).toggleClass('sidebar-hidden');
sidebarStatus = (jQuery(document.body).hasClass('sidebar-hidden') ? 'closed' : 'open');
return false;
});
jQuery('[data-sidebar-toggle]').on('click', function() {
jQuery(document.body).toggleClass('sidebar-hidden');
sidebarStatus = (jQuery(document.body).hasClass('sidebar-hidden') ? 'closed' : 'open');
return false;
});
jQuery('[data-clear-history-toggle]').on('click', function() {
sessionStorage.clear();
location.reload();
return false;
});
jQuery('[data-search-toggle]').on('click', function() {
if (sidebarStatus == 'closed') {
jQuery('[data-sidebar-toggle]').trigger('click');
jQuery(document.body).removeClass('searchbox-hidden');
searchStatus = 'open';
return false;
}
jQuery(document.body).toggleClass('searchbox-hidden');
searchStatus = (jQuery(document.body).hasClass('searchbox-hidden') ? 'closed' : 'open');
return false;
});
var ajax;
jQuery('[data-search-input]').on('input', function() {
var input = jQuery(this),
value = input.val(),
items = jQuery('[data-nav-id]');
items.removeClass('search-match');
if (!value.length) {
$('ul.topics').removeClass('searched');
items.css('display', 'block');
sessionStorage.removeItem('search-value');
$(".highlightable").unhighlight({ element: 'mark' })
return;
}
sessionStorage.setItem('search-value', value);
$(".highlightable").unhighlight({ element: 'mark' }).highlight(value, { element: 'mark' });
if (ajax && ajax.abort) ajax.abort();
jQuery('[data-search-clear]').on('click', function() {
jQuery('[data-search-input]').val('').trigger('input');
sessionStorage.removeItem('search-input');
$(".highlightable").unhighlight({ element: 'mark' })
});
});
$.expr[":"].contains = $.expr.createPseudo(function(arg) {
return function( elem ) {
return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
};
});
if (sessionStorage.getItem('search-value')) {
var searchValue = sessionStorage.getItem('search-value')
$(document.body).removeClass('searchbox-hidden');
$('[data-search-input]').val(searchValue);
$('[data-search-input]').trigger('input');
var searchedElem = $('#body-inner').find(':contains(' + searchValue + ')').get(0);
if (searchedElem) {
searchedElem.scrollIntoView(true);
var scrolledY = window.scrollY;
if(scrolledY){
window.scroll(0, scrolledY - 125);
}
}
}
// clipboard
var clipInit = false;
$('code').each(function() {
var code = $(this),
text = code.text();
if (text.length > 5) {
if (!clipInit) {
var text, clip = new Clipboard('.copy-to-clipboard', {
text: function(trigger) {
text = $(trigger).prev('code').text();
return text.replace(/^\$\s/gm, '');
}
});
var inPre;
clip.on('success', function(e) {
e.clearSelection();
inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
$(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
});
clip.on('error', function(e) {
inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
$(e.trigger).attr('aria-label', fallbackMessage(e.action)).addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
$(document).one('copy', function(){
$(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
});
});
clipInit = true;
}
code.after('<span class="copy-to-clipboard" title="Copy to clipboard" />');
code.next('.copy-to-clipboard').on('mouseleave', function() {
$(this).attr('aria-label', null).removeClass('tooltipped tooltipped-s tooltipped-w');
});
}
});
// allow keyboard control for prev/next links
jQuery(function() {
jQuery('.nav-prev').click(function(){
location.href = jQuery(this).attr('href');
});
jQuery('.nav-next').click(function() {
location.href = jQuery(this).attr('href');
});
});
jQuery(document).keydown(function(e) {
// prev links - left arrow key
if(e.which == '37') {
jQuery('.nav.nav-prev').click();
}
// next links - right arrow key
if(e.which == '39') {
jQuery('.nav.nav-next').click();
}
});
$('#top-bar a:not(:has(img)):not(.btn)').addClass('highlight');
$('#body-inner a:not(:has(img)):not(.btn):not(a[rel="footnote"])').addClass('highlight');
var touchsupport = ('ontouchstart' in window) || (navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0)
if (!touchsupport){ // browser doesn't support touch
$('#toc-menu').hover(function() {
$('.progress').stop(true, false, true).fadeToggle(100);
});
$('.progress').hover(function() {
$('.progress').stop(true, false, true).fadeToggle(100);
});
}
if (touchsupport){ // browser does support touch
$('#toc-menu').click(function() {
$('.progress').stop(true, false, true).fadeToggle(100);
});
$('.progress').click(function() {
$('.progress').stop(true, false, true).fadeToggle(100);
});
}
/**
* Fix anchor scrolling that hides behind top nav bar
* Courtesy of https://stackoverflow.com/a/13067009/28106
*
* We could use pure css for this if only heading anchors were
* involved, but this works for any anchor, including footnotes
**/
(function (document, history, location) {
var HISTORY_SUPPORT = !!(history && history.pushState);
var anchorScrolls = {
ANCHOR_REGEX: /^#[^ ]+$/,
OFFSET_HEIGHT_PX: 50,
/**
* Establish events, and fix initial scroll position if a hash is provided.
*/
init: function () {
this.scrollToCurrent();
$(window).on('hashchange', $.proxy(this, 'scrollToCurrent'));
$('body').on('click', 'a', $.proxy(this, 'delegateAnchors'));
},
/**
* Return the offset amount to deduct from the normal scroll position.
* Modify as appropriate to allow for dynamic calculations
*/
getFixedOffset: function () {
return this.OFFSET_HEIGHT_PX;
},
/**
* If the provided href is an anchor which resolves to an element on the
* page, scroll to it.
* @param {String} href
* @return {Boolean} - Was the href an anchor.
*/
scrollIfAnchor: function (href, pushToHistory) {
var match, anchorOffset;
if (!this.ANCHOR_REGEX.test(href)) {
return false;
}
match = document.getElementById(href.slice(1));
if (match) {
anchorOffset = $(match).offset().top - this.getFixedOffset();
$('html, body').animate({ scrollTop: anchorOffset });
// Add the state to history as-per normal anchor links
if (HISTORY_SUPPORT && pushToHistory) {
history.pushState({}, document.title, location.pathname + href);
}
}
return !!match;
},
/**
* Attempt to scroll to the current location's hash.
*/
scrollToCurrent: function (e) {
if (this.scrollIfAnchor(window.location.hash) && e) {
e.preventDefault();
}
},
/**
* If the click event's target was an anchor, fix the scroll position.
*/
delegateAnchors: function (e) {
var elem = e.target;
if (this.scrollIfAnchor(elem.getAttribute('href'), true)) {
e.preventDefault();
}
}
};
$(document).ready($.proxy(anchorScrolls, 'init'));
})(window.document, window.history, window.location);
});