blob: 2c9afe1aa8b5a6e4d0218105f67c2676f31978b9 [file] [log] [blame]
var navBarIsFixed = false;
$(document).ready(function() {
// init the fullscreen toggle click event
$('#nav-swap .fullscreen').click(function(){
if ($(this).hasClass('disabled')) {
toggleFullscreen(true);
} else {
toggleFullscreen(false);
}
});
// initialize the divs with custom scrollbars
$('.scroll-pane').jScrollPane( {verticalGutter:0} );
// add HRs below all H2s (except for a few other h2 variants)
$('h2').not('#qv h2').not('#tb h2').not('#devdoc-nav h2').css({marginBottom:0}).after('<hr/>');
// set search's onkeyup handler here so we can show suggestions even while search results are visible
$("#search_autocomplete").keyup(function() {return search_changed(event, false, '/')});
// set up the search close button
$('.search .close').click(function() {
$searchInput = $('#search_autocomplete');
$searchInput.attr('value', '');
$(this).addClass("hide");
$("#search-container").removeClass('active');
$("#search_autocomplete").blur();
search_focus_changed($searchInput.get(), false); // see search_autocomplete.js
hideResults(); // see search_autocomplete.js
});
$('.search').click(function() {
if (!$('#search_autocomplete').is(":focused")) {
$('#search_autocomplete').focus();
}
});
// Set up quicknav
var quicknav_open = false;
$("#btn-quicknav").click(function() {
if (quicknav_open) {
$(this).removeClass('active');
quicknav_open = false;
collapse();
} else {
$(this).addClass('active');
quicknav_open = true;
expand();
}
})
var expand = function() {
$('#header-wrap').addClass('quicknav');
$('#quicknav').stop().show().animate({opacity:'1'});
}
var collapse = function() {
$('#quicknav').stop().animate({opacity:'0'}, 100, function() {
$(this).hide();
$('#header-wrap').removeClass('quicknav');
});
}
//Set up search
$("#search_autocomplete").focus(function() {
$("#search-container").addClass('active');
})
$("#search-container").mouseover(function() {
$("#search-container").addClass('active');
$("#search_autocomplete").focus();
})
$("#search-container").mouseout(function() {
if ($("#search_autocomplete").is(":focus")) return;
if ($("#search_autocomplete").val() == '') {
setTimeout(function(){
$("#search-container").removeClass('active');
$("#search_autocomplete").blur();
},250);
}
})
$("#search_autocomplete").blur(function() {
if ($("#search_autocomplete").val() == '') {
$("#search-container").removeClass('active');
}
})
// prep nav expandos
var pagePath = document.location.pathname;
// account for intl docs by removing the intl/*/ path
if (pagePath.indexOf("/intl/") == 0) {
pagePath = pagePath.substr(pagePath.indexOf("/",6)); // start after intl/ to get last /
}
if (pagePath.indexOf(SITE_ROOT) == 0) {
if (pagePath == '' || pagePath.charAt(pagePath.length - 1) == '/') {
pagePath += 'index.html';
}
}
if (SITE_ROOT.match(/\.\.\//) || SITE_ROOT == '') {
// If running locally, SITE_ROOT will be a relative path, so account for that by
// finding the relative URL to this page. This will allow us to find links on the page
// leading back to this page.
var pathParts = pagePath.split('/');
var relativePagePathParts = [];
var upDirs = (SITE_ROOT.match(/(\.\.\/)+/) || [''])[0].length / 3;
for (var i = 0; i < upDirs; i++) {
relativePagePathParts.push('..');
}
for (var i = 0; i < upDirs; i++) {
relativePagePathParts.push(pathParts[pathParts.length - (upDirs - i) - 1]);
}
relativePagePathParts.push(pathParts[pathParts.length - 1]);
pagePath = relativePagePathParts.join('/');
} else {
// Otherwise the page path is already an absolute URL
}
// select current page in sidenav and set up prev/next links if they exist
var $selNavLink = $('#nav').find('a[href="' + pagePath + '"]');
if ($selNavLink.length) {
$selListItem = $selNavLink.closest('li');
$selListItem.addClass('selected');
$selListItem.closest('li.nav-section').addClass('expanded');
$selListItem.closest('li.nav-section').children('ul').show();
$selListItem.closest('li.nav-section').parent().closest('li.nav-section').addClass('expanded');
$selListItem.closest('li.nav-section').parent().closest('ul').show();
// $selListItem.closest('li.nav-section').closest('li.nav-section').addClass('expanded');
// $selListItem.closest('li.nav-section').closest('li.nav-section').children('ul').show();
// set up prev links
var $prevLink = [];
var $prevListItem = $selListItem.prev('li');
var crossBoundaries = ($("body.design").length > 0) || ($("body.guide").length > 0) ? true : false; // navigate across topic boundaries only in design docs
if ($prevListItem.length) {
if ($prevListItem.hasClass('nav-section')) {
if (crossBoundaries) {
// jump to last topic of previous section
$prevLink = $prevListItem.find('a:last');
}
} else {
// jump to previous topic in this section
$prevLink = $prevListItem.find('a:eq(0)');
}
} else {
// jump to this section's index page (if it exists)
var $parentListItem = $selListItem.parents('li');
$prevLink = $selListItem.parents('li').find('a');
// except if cross boundaries aren't allowed, and we're at the top of a section already (and there's another parent)
if (!crossBoundaries && $parentListItem.hasClass('nav-section') && $selListItem.hasClass('nav-section')) {
$prevLink = [];
}
}
if ($prevLink.length) {
var prevHref = $prevLink.attr('href');
if (prevHref == SITE_ROOT + 'index.html') {
// Don't show Previous when it leads to the homepage
} else {
$('.prev-page-link').attr('href', $prevLink.attr('href')).removeClass("hide");
}
}
// set up next links
var $nextLink = [];
var startCourse = false;
var startClass = false;
var training = $(".next-class-link").length; // decides whether to provide "next class" link
var isCrossingBoundary = false;
if ($selListItem.hasClass('nav-section')) {
// we're on an index page, jump to the first topic
$nextLink = $selListItem.find('ul').find('a:eq(0)');
// if there aren't any children, go to the next section (required for About pages)
if($nextLink.length == 0) {
$nextLink = $selListItem.next('li').find('a');
}
// Handle some Training specialties
if ($selListItem.parent().is("#nav") && $(".start-course-link").length) {
// this means we're at the very top of the TOC hierarchy
startCourse = true;
} else if ($(".start-class-link").length) {
// this means this page has children but is not at the top (it's a class, not a course)
startClass = true;
}
} else {
// jump to the next topic in this section (if it exists)
$nextLink = $selListItem.next('li').find('a:eq(0)');
if (!$nextLink.length) {
if (crossBoundaries || training) {
// no more topics in this section, jump to the first topic in the next section
$nextLink = $selListItem.parents('li:eq(0)').next('li.nav-section').find('a:eq(0)');
isCrossingBoundary = true;
}
}
}
if ($nextLink.length) {
if (startCourse || startClass) {
if (startCourse) {
$('.start-course-link').attr('href', $nextLink.attr('href')).removeClass("hide");
} else {
$('.start-class-link').attr('href', $nextLink.attr('href')).removeClass("hide");
}
// if there's no training bar (below the start button), then we need to add a bottom border to button
if (!$("#tb").length) {
$('.start-course-link').css({'border-bottom':'1px solid #DADADA'});
$('.start-class-link').css({'border-bottom':'1px solid #DADADA'});
}
} else if (training && isCrossingBoundary) {
$('.content-footer.next-class').show();
$('.next-page-link').attr('href','').removeClass("hide").addClass("disabled").click(function() {
return false;
});
$('.next-class-link').attr('href',$nextLink.attr('href')).removeClass("hide").append($nextLink.html());
$('.next-class-link').find('.new').empty();
} else {
$('.next-page-link').attr('href', $nextLink.attr('href')).removeClass("hide");
}
}
}
// Set up expand/collapse behavior
$('#nav li.nav-section .nav-section-header').click(function() {
var section = $(this).closest('li.nav-section');
if (section.hasClass('expanded')) {
/* hide me */
// if (section.hasClass('selected') || section.find('li').hasClass('selected')) {
// /* but not if myself or my descendents are selected */
// return;
// }
section.children('ul').slideUp(250, function() {
section.closest('li').removeClass('expanded');
resizeNav();
});
} else {
/* show me */
// first hide all other siblings
var $others = $('li.nav-section.expanded', $(this).closest('ul'));
$others.removeClass('expanded').children('ul').slideUp(250);
// now expand me
section.closest('li').addClass('expanded');
section.children('ul').slideDown(250, function() {
resizeNav();
});
}
});
$(".scroll-pane").scroll(function(event) {
event.preventDefault();
return false;
});
/* Resize nav height when window height changes */
$(window).resize(function() {
var stylesheet = $('link[rel="stylesheet"][title="fullscreen"]');
setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
// make sidenav behave when resizing the window and side-scolling is a concern
if (navBarIsFixed) {
if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
updateSideNavPosition();
} else {
updateSidenavFullscreenWidth();
}
}
resizeNav();
});
// Set up fixed navbar
var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
$(window).scroll(function(event) {
if (event.target.nodeName == "DIV") {
// Dump scroll event if the target is a DIV, because that means the event is coming
// from a scrollable div and so there's no need to make adjustments to our layout
return;
}
var scrollTop = $(window).scrollTop();
var headerHeight = $('#header').outerHeight();
var subheaderHeight = $('#nav-x').outerHeight();
var searchResultHeight = $('#searchResults').is(":visible") ? $('#searchResults').outerHeight() : 0;
var totalHeaderHeight = headerHeight + subheaderHeight + searchResultHeight;
var navBarShouldBeFixed = scrollTop > totalHeaderHeight;
var scrollLeft = $(window).scrollLeft();
// When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
updateSideNavPosition();
prevScrollLeft = scrollLeft;
}
// Don't continue if the header is sufficently far away (to avoid intensive resizing that slows scrolling)
if (navBarIsFixed && navBarShouldBeFixed) {
return;
}
if (navBarIsFixed != navBarShouldBeFixed) {
if (navBarShouldBeFixed) {
// make it fixed
var width = $('#devdoc-nav').width();
var margin = $('#devdoc-nav').parent().css('margin');
$('#devdoc-nav')
.addClass('fixed')
.css({'width':width+'px','margin':margin})
.prependTo('#body-content');
// add neato "back to top" button
$('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
// update the sidenaav position for side scrolling
updateSideNavPosition();
} else {
// make it static again
$('#devdoc-nav')
.removeClass('fixed')
.css({'width':'auto','margin':''})
.prependTo('#side-nav');
$('#devdoc-nav a.totop').hide();
}
navBarIsFixed = navBarShouldBeFixed;
}
resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance reasons
});
var navBarLeftPos;
if ($('#devdoc-nav').length) {
setNavBarLeftPos();
}
// Stop expand/collapse behavior when clicking on nav section links (since we're navigating away
// from the page)
$('.nav-section-header').find('a:eq(0)').click(function(evt) {
window.location.href = $(this).attr('href');
return false;
});
// Set up play-on-hover <video> tags.
$('video.play-on-hover').bind('click', function(){
$(this).get(0).load(); // in case the video isn't seekable
$(this).get(0).play();
});
// Set up tooltips
var TOOLTIP_MARGIN = 10;
$('acronym').each(function() {
var $target = $(this);
var $tooltip = $('<div>')
.addClass('tooltip-box')
.text($target.attr('title'))
.hide()
.appendTo('body');
$target.removeAttr('title');
$target.hover(function() {
// in
var targetRect = $target.offset();
targetRect.width = $target.width();
targetRect.height = $target.height();
$tooltip.css({
left: targetRect.left,
top: targetRect.top + targetRect.height + TOOLTIP_MARGIN
});
$tooltip.addClass('below');
$tooltip.show();
}, function() {
// out
$tooltip.hide();
});
});
// Set up <h2> deeplinks
$('h2').click(function() {
var id = $(this).attr('id');
if (id) {
document.location.hash = id;
}
});
//Loads the +1 button
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
// Revise the sidenav widths to make room for the scrollbar
// which avoids the visible width from changing each time the bar appears
var $sidenav = $("#side-nav");
var sidenav_width = parseInt($sidenav.innerWidth());
$("#devdoc-nav #nav").css("width", sidenav_width - 4 + "px"); // 4px is scrollbar width
$(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
if ($(".scroll-pane").length > 1) {
// Check if there's a user preference for the panel heights
var cookieHeight = readCookie("reference_height");
if (cookieHeight) {
restoreHeight(cookieHeight);
}
}
resizeNav();
});
function toggleFullscreen(enable) {
var delay = 20;
var enabled = false;
var stylesheet = $('link[rel="stylesheet"][title="fullscreen"]');
if (enable) {
// Currently NOT USING fullscreen; enable fullscreen
stylesheet.removeAttr('disabled');
$('#nav-swap .fullscreen').removeClass('disabled');
$('#devdoc-nav').css({left:''});
setTimeout(updateSidenavFullscreenWidth,delay); // need to wait a moment for css to switch
enabled = true;
} else {
// Currently USING fullscreen; disable fullscreen
stylesheet.attr('disabled', 'disabled');
$('#nav-swap .fullscreen').addClass('disabled');
setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
enabled = false;
}
writeCookie("fullscreen", enabled, null, null);
setNavBarLeftPos();
resizeNav(delay);
setTimeout(initSidenavHeightResize,delay);
}
function setNavBarLeftPos() {
navBarLeftPos = $('#body-content').offset().left;
}
function updateSideNavPosition() {
var newLeft = $(window).scrollLeft() - navBarLeftPos;
$('#devdoc-nav').css({left: -newLeft});
$('#devdoc-nav .totop').css({left: -(newLeft - parseInt($('#side-nav').css('margin-left')))});
}