librepages/source-script.js

(function(){function getCurrentFilePath(){var parts=window.location.pathname.split("/");var rootPathParts=window.rootPath.split("/");for(var i=0,len=rootPathParts.length;i<len;++i){if(rootPathParts[i]===".."){parts.pop()}}var file=window.location.pathname.substring(parts.join("/").length);if(file.startsWith("/")){file=file.substring(1)}return file.substring(0,file.length-5)}function createDirEntry(elem,parent,fullPath,currentFile,hasFoundFile){var name=document.createElement("div");name.className="name";fullPath+=elem["name"]+"/";name.onclick=function(){if(hasClass(this,"expand")){removeClass(this,"expand")}else{addClass(this,"expand")}};name.innerText=elem["name"];var i,len;var children=document.createElement("div");children.className="children";var folders=document.createElement("div");folders.className="folders";if(elem.dirs){for(i=0,len=elem.dirs.length;i<len;++i){if(createDirEntry(elem.dirs[i],folders,fullPath,currentFile,hasFoundFile)){addClass(name,"expand");hasFoundFile=true}}}children.appendChild(folders);var files=document.createElement("div");files.className="files";if(elem.files){for(i=0,len=elem.files.length;i<len;++i){var file=document.createElement("a");file.innerText=elem.files[i];file.href=window.rootPath+"src/"+fullPath+elem.files[i]+".html";if(!hasFoundFile&&currentFile===fullPath+elem.files[i]){file.className="selected";addClass(name,"expand");hasFoundFile=true}files.appendChild(file)}}search.fullPath=fullPath;children.appendChild(files);parent.appendChild(name);parent.appendChild(children);return hasFoundFile&&currentFile.startsWith(fullPath)}function toggleSidebar(){var sidebar=document.querySelector("nav.sidebar");var child=this.children[0];if(child.innerText===">"){sidebar.classList.add("expanded");child.innerText="<";updateLocalStorage("source-sidebar-show","true")}else{sidebar.classList.remove("expanded");child.innerText=">";updateLocalStorage("source-sidebar-show","false")}}function createSidebarToggle(){var sidebarToggle=document.createElement("div");sidebarToggle.id="sidebar-toggle";sidebarToggle.onclick=toggleSidebar;var inner=document.createElement("div");if(getCurrentValue("source-sidebar-show")==="true"){inner.innerText="<"}else{inner.innerText=">"}sidebarToggle.appendChild(inner);return sidebarToggle}function createSourceSidebar(){if(!window.rootPath.endsWith("/")){window.rootPath+="/"}var container=document.querySelector("nav.sidebar");var sidebarToggle=createSidebarToggle();container.insertBefore(sidebarToggle,container.firstChild);var sidebar=document.createElement("div");sidebar.id="source-sidebar";if(getCurrentValue("source-sidebar-show")!=="true"){container.classList.remove("expanded")}else{container.classList.add("expanded")}var currentFile=getCurrentFilePath();var hasFoundFile=false;var title=document.createElement("div");title.className="title";title.innerText="Files";sidebar.appendChild(title);Object.keys(sourcesIndex).forEach(function(key){sourcesIndex[key].name=key;hasFoundFile=createDirEntry(sourcesIndex[key],sidebar,"",currentFile,hasFoundFile)});container.appendChild(sidebar);var selected_elem=sidebar.getElementsByClassName("selected")[0];if(typeof selected_elem!=="undefined"){selected_elem.focus()}}var lineNumbersRegex=/^#?(\d+)(?:-(\d+))?$/;function highlightSourceLines(scrollTo,match){if(typeof match==="undefined"){match=window.location.hash.match(lineNumbersRegex)}if(!match){return}var from=parseInt(match[1],10);var to=from;if(typeof match[2]!=="undefined"){to=parseInt(match[2],10)}if(to<from){var tmp=to;to=from;from=tmp}var elem=document.getElementById(from);if(!elem){return}if(scrollTo){var x=document.getElementById(from);if(x){x.scrollIntoView()}}onEachLazy(document.getElementsByClassName("line-numbers"),function(e){onEachLazy(e.getElementsByTagName("span"),function(i_e){removeClass(i_e,"line-highlighted")})});for(var i=from;i<=to;++i){elem=document.getElementById(i);if(!elem){break}addClass(elem,"line-highlighted")}}var handleSourceHighlight=(function(){var prev_line_id=0;var set_fragment=function(name){var x=window.scrollX,y=window.scrollY;if(searchState.browserSupportsHistoryApi()){history.replaceState(null,null,"#"+name);highlightSourceLines(true)}else{location.replace("#"+name)}window.scrollTo(x,y)};return function(ev){var cur_line_id=parseInt(ev.target.id,10);ev.preventDefault();if(ev.shiftKey&&prev_line_id){if(prev_line_id>cur_line_id){var tmp=prev_line_id;prev_line_id=cur_line_id;cur_line_id=tmp}set_fragment(prev_line_id+"-"+cur_line_id)}else{prev_line_id=cur_line_id;set_fragment(cur_line_id)}}}());window.addEventListener("hashchange",function(){var match=window.location.hash.match(lineNumbersRegex);if(match){return highlightSourceLines(false,match)}});onEachLazy(document.getElementsByClassName("line-numbers"),function(el){el.addEventListener("click",handleSourceHighlight)});highlightSourceLines(true);window.createSourceSidebar=createSourceSidebar})()