| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* Note: This file is originally from the Apache Spark project. */ |
| |
| /* Custom JavaScript code in the MarkDown docs */ |
| |
| // Enable language-specific code tabs |
| function codeTabs() { |
| var counter = 0; |
| var langImages = { |
| "scala": "img/scala-sm.png", |
| "python": "img/python-sm.png", |
| "java": "img/java-sm.png" |
| }; |
| $("div.codetabs").each(function() { |
| $(this).addClass("tab-content"); |
| |
| // Insert the tab bar |
| var tabBar = $('<ul class="nav nav-tabs" data-tabs="tabs"></ul>'); |
| $(this).before(tabBar); |
| |
| // Add each code sample to the tab bar: |
| var codeSamples = $(this).children("div"); |
| codeSamples.each(function() { |
| $(this).addClass("tab-pane"); |
| var lang = $(this).data("lang"); |
| var image = $(this).data("image"); |
| var notabs = $(this).data("notabs"); |
| var capitalizedLang = lang.substr(0, 1).toUpperCase() + lang.substr(1); |
| var id = "tab_" + lang + "_" + counter; |
| $(this).attr("id", id); |
| if (image != null && langImages[lang]) { |
| var buttonLabel = "<img src='" +langImages[lang] + "' alt='" + capitalizedLang + "' />"; |
| } else if (notabs == null) { |
| var buttonLabel = "<b>" + capitalizedLang + "</b>"; |
| } else { |
| var buttonLabel = "" |
| } |
| tabBar.append( |
| '<li><a class="tab_' + lang + '" href="#' + id + '">' + buttonLabel + '</a></li>' |
| ); |
| }); |
| |
| codeSamples.first().addClass("active"); |
| tabBar.children("li").first().addClass("active"); |
| counter++; |
| }); |
| $("ul.nav-tabs a").click(function (e) { |
| // Toggling a tab should switch all tabs corresponding to the same language |
| // while retaining the scroll position |
| e.preventDefault(); |
| var scrollOffset = $(this).offset().top - $(document).scrollTop(); |
| $("." + $(this).attr('class')).tab('show'); |
| $(document).scrollTop($(this).offset().top - scrollOffset); |
| }); |
| } |
| |
| function makeCollapsable(elt, accordionClass, accordionBodyId, title) { |
| $(elt).addClass("accordion-inner"); |
| $(elt).wrap('<div class="accordion ' + accordionClass + '"></div>') |
| $(elt).wrap('<div class="accordion-group"></div>') |
| $(elt).wrap('<div id="' + accordionBodyId + '" class="accordion-body collapse"></div>') |
| $(elt).parent().before( |
| '<div class="accordion-heading">' + |
| '<a class="accordion-toggle" data-toggle="collapse" href="#' + accordionBodyId + '">' + |
| title + |
| '</a>' + |
| '</div>' |
| ); |
| } |
| |
| // Enable "view solution" sections (for exercises) |
| function viewSolution() { |
| var counter = 0 |
| $("div.solution").each(function() { |
| var id = "solution_" + counter |
| makeCollapsable(this, "", id, |
| '<i class="icon-ok-sign" style="text-decoration: none; color: #0088cc">' + |
| '</i>' + "View Solution"); |
| counter++; |
| }); |
| } |
| |
| // A script to fix internal hash links because we have an overlapping top bar. |
| // Based on https://github.com/twitter/bootstrap/issues/193#issuecomment-2281510 |
| function maybeScrollToHash() { |
| if (window.location.hash && $(window.location.hash).length) { |
| var newTop = $(window.location.hash).offset().top - 57; |
| $(window).scrollTop(newTop); |
| } |
| } |
| |
| $(function() { |
| codeTabs(); |
| // Display anchor links when hovering over headers. For documentation of the |
| // configuration options, see the AnchorJS documentation. |
| anchors.options = { |
| placement: 'left' |
| }; |
| anchors.add(); |
| |
| $(window).bind('hashchange', function() { |
| maybeScrollToHash(); |
| }); |
| |
| $(document).ready(function() { |
| $('#toc').toc(); |
| }); |
| |
| $(document).click(function(event) { |
| // fold navbar when a user click other components |
| var clickover = $(event.target); |
| var _opened = $(".navbar-collapse").hasClass("navbar-collapse in"); |
| if (_opened === true && !clickover.hasClass("navbar-toggle")) { |
| $("button.navbar-toggle").click(); |
| } |
| }); |
| |
| // Scroll now too in case we had opened the page on a hash, but wait a bit because some browsers |
| // will try to do *their* initial scroll after running the onReady handler. |
| $(window).load(function() { setTimeout(function() { maybeScrollToHash(); }, 25); }); |
| }); |