A userscript that allows you to customize GitHub's main navigation bar
目前為
// ==UserScript==
// @name GitHub Custom Navigation
// @version 1.0.0
// @description A userscript that allows you to customize GitHub's main navigation bar
// @license https://creativecommons.org/licenses/by-sa/4.0/
// @namespace http://github.com/Mottie
// @include https://github.com/*
// @include https://gist.github.com/*
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @require https://cdnjs.cloudflare.com/ajax/libs/dragula/3.7.1/dragula.js
// @run-at document-end
// @author Rob Garrison
// ==/UserScript==
/* global GM_addStyle, GM_getValue, GM_setValue, dragula */
/* jshint esnext:true, unused:true */
(function() {
"use strict";
let drake,
editMode = false,
// remember scrollTop when settings panel opens (if using sticky nav header style)
scrollTop = 0,
// when the bar gets wider than this number, adjust the width of the search input
adjustWidth = 460,
// when search input width is adjusted, this is the minimum width
minSearchInputWidth = 200,
// open menu via hash
panelHash = "#github-custom-nav-settings",
panelHashTriggered = false,
defaults = {
github: ["pr", "issues", "gist", "separator", "stars", "watching", "separator", "profile", "blog", "menu"],
gists: ["gistall", "giststars", "github", "separator", "pr", "issues", "stars", "watching", "separator", "profile", "blog", "menu"],
currentLink: "pr",
// using full length url so the links work from any subdomain (e.g. gist pages)
items: {
"blog": {
url: "https://github.com/blog",
tooltip: "Blog",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 16 16' width='16'><path d='M9 9H8c.55 0 1-.45 1-1V7c0-.55-.45-1-1-1H7c-.55 0-1 .45-1 1v1c0 .55.45 1 1 1H6c-.55 0-1 .45-1 1v2h1v3c0 .55.45 1 1 1h1c.55 0 1-.45 1-1v-3h1v-2c0-.55-.45-1-1-1zM7 7h1v1H7V7zm2 4H8v4H7v-4H6v-1h3v1zm2.09-3.5c0-1.98-1.61-3.59-3.59-3.59A3.593 3.593 0 0 0 4 8.31v1.98c-.61-.77-1-1.73-1-2.8 0-2.48 2.02-4.5 4.5-4.5S12 5.01 12 7.49c0 1.06-.39 2.03-1 2.8V8.31c.06-.27.09-.53.09-.81zm3.91 0c0 2.88-1.63 5.38-4 6.63v-1.05a6.553 6.553 0 0 0 3.09-5.58A6.59 6.59 0 0 0 7.5.91 6.59 6.59 0 0 0 .91 7.5c0 2.36 1.23 4.42 3.09 5.58v1.05A7.497 7.497 0 0 1 7.5 0C11.64 0 15 3.36 15 7.5z'/></svg>"
},
"explore": {
url: "https://github.com/explore",
tooltip: "Explore",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 16 16' width='16'><path d='M10 1c-.17 0-.36.05-.52.14C8.04 2.02 4.5 4.58 3 5c-1.38 0-3 .67-3 2.5S1.63 10 3 10c.3.08.64.23 1 .41V15h2v-3.45c1.34.86 2.69 1.83 3.48 2.31.16.09.34.14.52.14.52 0 1-.42 1-1V2c0-.58-.48-1-1-1zm0 12c-.38-.23-.89-.58-1.5-1-.16-.11-.33-.22-.5-.34V3.31c.16-.11.31-.2.47-.31.61-.41 1.16-.77 1.53-1v11zm2-6h4v1h-4V7zm0 2l4 2v1l-4-2V9zm4-6v1l-4 2V5l4-2z'></path></svg>"
},
"gist": {
url: "https://gist.github.com/",
tooltip: "Gist",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 12 16' width='12'><path d='M7.5 5L10 7.5 7.5 10l-.75-.75L8.5 7.5 6.75 5.75 7.5 5zm-3 0L2 7.5 4.5 10l.75-.75L3.5 7.5l1.75-1.75L4.5 5zM0 13V2c0-.55.45-1 1-1h10c.55 0 1 .45 1 1v11c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1zm1 0h10V2H1v11z'></path></svg>"
},
"gistall": {
url: "https://gist.github.com/discover",
tooltip: "Discover Gists",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 12 16' width='12'><path d='M7.5 5L10 7.5 7.5 10l-.75-.75L8.5 7.5 6.75 5.75 7.5 5zm-3 0L2 7.5 4.5 10l.75-.75L3.5 7.5l1.75-1.75L4.5 5zM0 13V2c0-.55.45-1 1-1h10c.55 0 1 .45 1 1v11c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1zm1 0h10V2H1v11z'></path></svg>"
},
"giststars": {
url: "https://gist.github.com/${me}/starred",
tooltip: "Starred Gists",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M14 6l-4.9-.64L7 1 4.9 5.36 0 6l3.6 3.26L2.67 14 7 11.67 11.33 14l-.93-4.74z'></path></svg>"
},
"github": {
url: "https://github.com",
tooltip: "GitHub",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 16 16' width='16'><path d='M14.7 5.34c.13-.32.55-1.59-.13-3.31 0 0-1.05-.33-3.44 1.3-1-.28-2.07-.32-3.13-.32s-2.13.04-3.13.32c-2.39-1.64-3.44-1.3-3.44-1.3-.68 1.72-.26 2.99-.13 3.31C.49 6.21 0 7.33 0 8.69 0 13.84 3.33 15 7.98 15S16 13.84 16 8.69c0-1.36-.49-2.48-1.3-3.35zM8 14.02c-3.3 0-5.98-.15-5.98-3.35 0-.76.38-1.48 1.02-2.07 1.07-.98 2.9-.46 4.96-.46 2.07 0 3.88-.52 4.96.46.65.59 1.02 1.3 1.02 2.07 0 3.19-2.68 3.35-5.98 3.35zM5.49 9.01c-.66 0-1.2.8-1.2 1.78s.54 1.79 1.2 1.79c.66 0 1.2-.8 1.2-1.79s-.54-1.78-1.2-1.78zm5.02 0c-.66 0-1.2.79-1.2 1.78s.54 1.79 1.2 1.79c.66 0 1.2-.8 1.2-1.79s-.53-1.78-1.2-1.78z'/></svg>"
},
"integrations": {
url: "https://github.com/integrations",
tooltip: "Integrations",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M3 6c-.55 0-1 .45-1 1v2c0 .55.45 1 1 1h8c.55 0 1-.45 1-1V7c0-.55-.45-1-1-1H3zm8 1.75L9.75 9h-1.5L7 7.75 5.75 9h-1.5L3 7.75V7h.75L5 8.25 6.25 7h1.5L9 8.25 10.25 7H11v.75zM5 11h4v1H5v-1zm2-9C3.14 2 0 4.91 0 8.5V13c0 .55.45 1 1 1h12c.55 0 1-.45 1-1V8.5C14 4.91 10.86 2 7 2zm6 11H1V8.5c0-3.09 2.64-5.59 6-5.59s6 2.5 6 5.59V13z'></path></svg>"
},
"issues": {
url: "https://github.com/issues",
tooltip: "Issues",
hotkey: "g i",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z'></path></svg>"
},
"menu": {
url: panelHash,
tooltip: "Open Custom Navigation Settings",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M8.79 15H6.553l-.7-1.91-.608-.247-1.835.905-1.585-1.556.892-1.83-.25-.595L.5 9.127V6.933l1.944-.676.25-.597-.922-1.802L3.358 2.3l1.865.876.624-.248.638-1.93H8.73l.697 1.91.61.246 1.838-.905 1.58 1.555-1.114 2.317-2.714.65-.203-.24c-.444-.524-1.098-.824-1.794-.824C6.34 5.708 5.294 6.736 5.294 8c0 1.264 1.047 2.292 2.334 2.292.6 0 1.17-.224 1.604-.63l.18-.165 2.93.4 1.156 2.24-1.58 1.564-1.868-.88-.625.25L8.79 15zm-1.52-1h.78l.556-1.68 1.48-.592 1.62.765.553-.547-.583-1.13-1.93-.264c-.597.48-1.34.74-2.118.74-1.85 0-3.354-1.477-3.354-3.292 0-1.815 1.503-3.292 3.353-3.292.89 0 1.73.342 2.356.95l1.643-.394.6-1.25-.555-.546-1.598.786-1.455-.592L8.014 2h-.79L6.67 3.68l-1.48.59-1.622-.762-.556.546.802 1.566-.603 1.432-1.692.59v.763l1.71.558.603 1.43-.775 1.593.556.546 1.596-.788 1.456.593L7.27 14z'/></svg>"
},
"pr": {
url: "https://github.com/pulls",
tooltip: "Pull Requests",
hotkey: "g p",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 12 16' width='12'><path d='M11 11.28V5c-.03-.78-.34-1.47-.94-2.06C9.46 2.35 8.78 2.03 8 2H7V0L4 3l3 3V4h1c.27.02.48.11.69.31.21.2.3.42.31.69v6.28A1.993 1.993 0 0 0 10 15a1.993 1.993 0 0 0 1-3.72zm-1 2.92c-.66 0-1.2-.55-1.2-1.2 0-.65.55-1.2 1.2-1.2.65 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2zM4 3c0-1.11-.89-2-2-2a1.993 1.993 0 0 0-1 3.72v6.56A1.993 1.993 0 0 0 2 15a1.993 1.993 0 0 0 1-3.72V4.72c.59-.34 1-.98 1-1.72zm-.8 10c0 .66-.55 1.2-1.2 1.2-.65 0-1.2-.55-1.2-1.2 0-.65.55-1.2 1.2-1.2.65 0 1.2.55 1.2 1.2zM2 4.2C1.34 4.2.8 3.65.8 3c0-.65.55-1.2 1.2-1.2.65 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2z'></path></svg>"
},
"profile": {
url: "https://github.com/${me}",
tooltip: "Profile",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 8 16' width='8'><path d='M7 6H1c-.55 0-1 .45-1 1v5h2v3c0 .55.45 1 1 1h2c.55 0 1-.45 1-1v-3h2V7c0-.55-.45-1-1-1zm0 5H6V9H5v6H3V9H2v2H1V7h6v4zm0-8c0-1.66-1.34-3-3-3S1 1.34 1 3s1.34 3 3 3 3-1.34 3-3zM4 5c-1.11 0-2-.89-2-2 0-1.11.89-2 2-2 1.11 0 2 .89 2 2 0 1.11-.89 2-2 2z' fill-rule='evenodd'/></svg>"
},
"settings": {
url: "https://github.com/settings/profile",
tooltip: "Settings",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M14 8.77v-1.6l-1.94-.64-.45-1.09.88-1.84-1.13-1.13-1.81.91-1.09-.45-.69-1.92h-1.6l-.63 1.94-1.11.45-1.84-.88-1.13 1.13.91 1.81-.45 1.09L0 7.23v1.59l1.94.64.45 1.09-.88 1.84 1.13 1.13 1.81-.91 1.09.45.69 1.92h1.59l.63-1.94 1.11-.45 1.84.88 1.13-1.13-.92-1.81.47-1.09L14 8.75v.02zM7 11c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3z'></path></svg>"
},
"stars": {
url: "https://github.com/stars",
tooltip: "Stars",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 14 16' width='14'><path d='M14 6l-4.9-.64L7 1 4.9 5.36 0 6l3.6 3.26L2.67 14 7 11.67 11.33 14l-.93-4.74z'></path></svg>"
},
"trending": {
url: "https://github.com/trending",
tooltip: "Trending",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 12 16' width='12'><path d='M5.05.31c.81 2.17.41 3.38-.52 4.31C3.55 5.67 1.98 6.45.9 7.98c-1.45 2.05-1.7 6.53 3.53 7.7-2.2-1.16-2.67-4.52-.3-6.61-.61 2.03.53 3.33 1.94 2.86 1.39-.47 2.3.53 2.27 1.67-.02.78-.31 1.44-1.13 1.81 3.42-.59 4.78-3.42 4.78-5.56 0-2.84-2.53-3.22-1.25-5.61-1.52.13-2.03 1.13-1.89 2.75.09 1.08-1.02 1.8-1.86 1.33-.67-.41-.66-1.19-.06-1.78C8.18 5.31 8.68 2.45 5.05.32L5.03.3l.02.01z'></path></svg>"
},
"watching": {
url: "https://github.com/watching",
tooltip: "Watching",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 16 16' width='16'><path d='M8.06 2C3 2 0 8 0 8s3 6 8.06 6C13 14 16 8 16 8s-3-6-7.94-6zM8 12c-2.2 0-4-1.78-4-4 0-2.2 1.8-4 4-4 2.22 0 4 1.8 4 4 0 2.22-1.78 4-4 4zm2-4c0 1.11-.89 2-2 2-1.11 0-2-.89-2-2 0-1.11.89-2 2-2 1.11 0 2 .89 2 2z'></path></svg>"
},
"zenhub": {
url: "#todo",
tooltip: "ZenHub ToDo",
hotkey: "",
content: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 50 50' width='16'><path d='M29.17 45.988L13.82 21.218h10.56l-1.1-17.206 13.498 24.77h-9.514'/></svg>"
}
}
},
// get user name; or empty string if not logged in
user = $("meta[name='user-login']").getAttribute("content") || "",
settings = GM_getValue("custom-links", defaults),
icons = {
add: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='14' viewBox='0 0 12 16' width='12'><path d='M12 9H7v5H5V9H0V7h5V2h2v5h5'/></svg>",
close: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' width='9' height='9' viewBox='0 0 9 9'><path d='M9 1L5.4 4.4 9 8 8 9 4.6 5.4 1 9 0 8l3.6-3.5L0 1l1-1 3.5 3.6L8 0l1 1z'></path></svg>",
info: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' height='16' width='14' viewBox='0 0 16 14'><path d='M6 10h2v2H6V10z m4-3.5c0 2.14-2 2.5-2 2.5H6c0-0.55 0.45-1 1-1h0.5c0.28 0 0.5-0.22 0.5-0.5v-1c0-0.28-0.22-0.5-0.5-0.5h-1c-0.28 0-0.5 0.22-0.5 0.5v0.5H4c0-1.5 1.5-3 3-3s3 1 3 2.5zM7 2.3c3.14 0 5.7 2.56 5.7 5.7S10.14 13.7 7 13.7 1.3 11.14 1.3 8s2.56-5.7 5.7-5.7m0-1.3C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7S10.86 1 7 1z'/></svg>",
separator: "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true' height='16' viewBox='0 0 12 16' width='12'><path d='M7 16H5V0h2'/></svg>"
};
function addPanel() {
GM_addStyle(`
/* Use border right when a vertical bar is added */
.header-nav-link.ghcn-separator { border-right:#e5e5e5 2px solid; padding:4px 0; }
/* settings panel */
#ghcn-overlay { position:fixed; top:50px; left:0; right:0; bottom:0; z-index:5;
background:rgba(0,0,0,.5); display:none; }
#ghcn-menu { cursor:pointer; }
.ghcn-close, .ghcn-code { float:right; cursor:pointer; font-size:.8em; margin-left:3px;
padding:0 6px 2px 6px; }
.ghcn-close .octicon { vertical-align:middle; fill:currentColor; }
#ghcn-settings-inner { position:fixed; left:50%; top:55px; z-index:10; width:30rem;
transform:translate(-50%,0); box-shadow:0 .5rem 1rem #111; color:#c0c0c0; display:none; }
#ghcn-settings-inner input { width:85%; float:right; border-style:solid; border-width:1px; }
.ghcn-settings-wrapper div { line-height:38px; }
#ghcn-nav-items { min-height: 38px; }
#ghcn-nav-items .header-nav-item { margin-bottom:4px; }
.ghcn-settings-wrapper hr { margin: 10px 0; }
.ghcn-footer { margin-top:4px; border-top:#555 solid 1px; }
.header-nav-link { height:28px; }
.header-nav-link.left svg, .header-nav-link.left img { max-height:16px; fill:currentColor; }
/* panel open */
body.ghcn-settings-open { overflow:hidden; }
/* hide other header elements while settings is open (overflow issues) */
body.ghcn-settings-open .header-search,
body.ghcn-settings-open .header-nav.right,
body.ghcn-settings-open .header-logo-invertocat,
body.ghcn-settings-open .header-logo-wordmark,
.gist-header .octicon-logo-github, /* hide GitHub logo on Gist page */
.zh-todo-link { display:none; }
body.ghcn-settings-open .header-nav.left { width:100%; }
body.ghcn-settings-open .header-nav-link > * { pointer-events:none; }
body.ghcn-settings-open #ghcn-overlay,
body.ghcn-settings-open #ghcn-settings-inner,
#ghcn-nav-items { display:block; }
body.ghcn-settings-open .header-nav.left .header-nav-item,
.ghcn-settings-wrapper .header-nav-item { cursor:move; border:#555 1px solid; border-radius:4px;
margin-left: 2px; }
body.ghcn-settings-open .header-nav-link,
.ghcn-settings-wrapper .header-nav-link { min-height:auto; min-width:16px; }
/* JSON code block */
.ghcn-json-code { display:none; font-family:Menlo, Inconsolata, "Droid Mono", monospace; font-size:1em; }
.ghcn-visible { display:block; position:absolute; top:38px; bottom:0; left:2px; right:2px; z-index:1;
width:476px; max-width:476px; }
/* Dragula.min.css v3.7.1 (Microsoft definitions removed) */
.gu-mirror { position:fixed !important; margin:0 !important; z-index:9999 !important; opacity:.8;
list-style:none; }
.gu-hide { display:none !important; }
.gu-unselectable { -webkit-user-select:none !important; -moz-user-select:none !important;
user-select:none !important; }
.gu-transit { opacity:.2; }
`);
make({
el: "div",
appendTo: "body",
attr: { id: "ghcn-settings" },
html: `
<div id="ghcn-overlay"></div>
<div id="ghcn-settings-inner" class="boxed-group">
<h3>GitHub Custom Navigation Settings
<button type="button" class="ghcn-close btn btn-sm">${icons.close}</button>
<button type="button" class="ghcn-code btn btn-sm tooltipped tooltipped-n" aria-label="Toggle JSON data view">{ }</button>
</h3>
<div class="ghcn-settings-wrapper boxed-group-inner">
<ul id="ghcn-nav-items" class="btn-group header-nav"></ul>
<hr>
<form>
<p>Click an link above to edit its properties
<a href="https://github.com/Mottie/GitHub-userscripts/wiki/GitHub-custom-navigation" class="tooltipped tooltipped-e" aria-label="Click to learn about the properties below">${icons.info}</a>
</p>
<div>URL
<span class="tooltipped tooltipped-e" aria-label="Enter a full URL, or hash">${icons.info}</span>
<input class="form-control ghcn-url" type="text"/>
</div>
<div>Tooltip<input class="form-control ghcn-tooltip" type="text"/></div>
<div>Hotkey
<a href="https://github.com/Mottie/GitHub-userscripts/wiki/GitHub-custom-navigation#hotkey" class="tooltipped tooltipped-e" aria-label="Click to learn about hotkeys">${icons.info}</a>
<input class="form-control ghcn-hotkey" type="text"/>
</div>
<div>Content
<span class="tooltipped tooltipped-e" aria-label="Include text and/or HTML (<svg> or <img>)">${icons.info}</span>
<input class="form-control ghcn-content" type="text"/>
</div>
</form>
<textarea class="ghcn-json-code"></textarea>
<div class="ghcn-footer">
<span class="btn btn-sm ghcn-add">${icons.add} New Link</span>
<span class="btn btn-sm ghcn-destroy btn-danger tooltipped tooltipped-n" aria-label="Completely remove selected link">Destroy</span>
<span class="btn btn-sm ghcn-reset tooltipped tooltipped-n" aria-label="Restore Defaults">Reset</span>
</div>
</div>
</div>`
});
}
function updatePanel() {
let indx, item, inNav, inSettings,
panelStr = "#ghcn-nav-items",
panel = $(panelStr),
setItems = settings[getLocation()],
keys = Object.keys(settings.items),
len = keys.length;
for (indx = 0; indx < len; indx++) {
item = keys[indx];
inNav = setItems.indexOf(item) > -1;
inSettings = $(panelStr + ` .header-nav-item[data-ghcn="${item}"]`);
// customize adds stuff to main nav
if (inNav && inSettings) {
panel.removeChild(inSettings);
} else if (!inNav && !inSettings) {
addToMenu(item, panelStr);
}
}
if (!$(panelStr + " .header-nav-item[data-ghcn='separator']")) {
addToMenu("separator", panelStr);
}
selectItem();
}
function openPanel() {
scrollTop = document.documentElement.scrollTop;
window.scrollTo(0,0);
$("body").classList.add("ghcn-settings-open");
editMode = true;
customize();
$(".modal-backdrop").click();
$(".ghcn-json-code").classList.remove("ghcn-visible");
}
function openPanelOnHash() {
if (!panelHashTriggered && window.location.hash === panelHash) {
panelHashTriggered = true;
openPanel();
// immediately remove the hash because I noticed issues where the "#" was removed; and upon
// reload, a 404 page is shown because "https://github.com/github-custom-navigation-settings"
// does not exist
history.pushState("", document.title, window.location.pathname);
panelHashTriggered = false;
}
}
function closePanel() {
if (editMode) {
window.scrollTo(0, scrollTop);
$("body").classList.remove("ghcn-settings-open");
editMode = false;
customize();
$(".ghcn-json-code").classList.remove("ghcn-visible");
}
}
function getLocation() {
// used by "settings" object
return window.location.hostname === "gist.github.com" ? "gists" : "github";
}
// continually destroying & reapplying Dragula sometimes ignores elements;
// so just leave it always applied
function addDragula() {
let topNav = $(".header-nav");
drake = dragula($$(".header-nav, #ghcn-nav-items"), {
invalid: function() {
return !editMode;
}
});
drake.on("drop", function() {
let indx, link,
temp = [],
list = topNav.childNodes,
len = list.length;
for (indx = 0; indx < len; indx++) {
link = list[indx].getAttribute("data-ghcn");
if (link) {
temp[temp.length] = link;
}
}
settings[getLocation()] = temp;
GM_setValue("custom-links", settings);
updatePanel();
});
}
// Clicked item; show selection
function selectItem() {
// highlight current link
let temp = $$(".header-nav-link.focus");
removeClass(temp, "focus");
temp = $$(".header-nav-item[data-ghcn='" + (settings.currentLink || "") + "'] .header-nav-link");
if (temp[0]) {
addClass(temp, "focus");
updateLink(temp[0].parentNode);
}
}
// New Link button pressed
function createLink() {
let name = findUniqueId("custom");
settings.items[name] = { url: "", tooltip: "", hotkey: "", content: "*" };
addToMenu(name, "#ghcn-nav-items");
settings.currentLink = name;
selectItem();
}
// append named list item to menu
function addToMenu(name, target) {
let html,
item = settings.items[name] || {},
url = (item.url || "").replace(/\$\{me\}/g, user),
linkClass = editMode ?
"header-nav-link form-control" :
"js-selected-navigation-item header-nav-link";
// only show tooltip if defined
if (item.tooltip) {
linkClass += " tooltipped tooltipped-s";
if (/( |
)/g.test(item.tooltip)) {
linkClass += " tooltipped-multiline";
}
}
if (name === "separator") {
html = editMode ?
// *** Separator (icon in editMode; zero-width-space when not)
`<span class="${linkClass} tooltipped tooltipped-s" aria-label="Menu separator">${icons.separator}</span>` :
`<span class="header-nav-link ghcn-separator linkable-line-number">​</span>`;
} else {
html = editMode ?
`<span class="${linkClass}" aria-label="${item.tooltip}">${item.content}</span>` :
// GitHub might get upset, but we're not going to bother with analytics;
// not including "data-ga-click" nor "data-selected-links" attributes
`<a href="${url}" class="${linkClass}" aria-label="${item.tooltip}" data-hotkey="${item.hotkey}">
${item.content}
</a>`;
}
make({
el: "li",
appendTo: target,
attr: { "data-ghcn": name },
cl4ss: "header-nav-item",
html: html
});
}
// Destroy button pressed
function destroyLink(item) {
if (item) {
delete settings.items[item];
GM_setValue("custom-links", settings);
let el,
indx = settings.github.indexOf(item);
if (indx >= 0) {
settings.github.splice(indx, 1);
}
indx = settings.gists.indexOf(item);
if (indx >= 0) {
settings.gists.splice(indx, 1);
}
el = $(`.header-nav-item[data-ghcn="${item}"]`);
el.parentNode.removeChild(el);
if ((settings.currentLink || "") === item) {
settings.currentLink = "";
}
updateLink();
}
}
// Reset button pressed or new JSON added
function resetLinks(newSettings) {
if (newSettings) {
settings = newSettings;
} else {
// quick n'dirty deep merge
let str = JSON.stringify(defaults);
settings = JSON.parse(str);
}
GM_setValue("custom-links", settings);
// remove extra items individually; dragula doesn't seem to like it when we use innerHTML = ""
let item,
els = $$(".header-nav-item"),
indx = els.length;
while (indx--) {
item = els[indx].getAttribute("data-ghcn");
if (item !== "separator" && !settings.items.hasOwnProperty(item)) {
destroyLink(item);
}
}
customize();
}
// Clicked item; update input values
function updateLink(el) {
let item = el && el.getAttribute("data-ghcn") || "",
link = settings.items[item] || {};
settings.currentLink = item;
$(".ghcn-url").value = link.url || "";
$(".ghcn-tooltip").value = link.tooltip || "";
$(".ghcn-hotkey").value = link.hotkey || "";
$(".ghcn-content").value = link.content || "";
// "separator" shouldn't show options
$(".ghcn-settings-wrapper form").style.visibility = item === "separator" ? "hidden" : "visible";
}
// save changes on-the-fly
function saveLink() {
let name = settings.currentLink || "",
item = $(`.header-nav-item[data-ghcn="${name}"] .header-nav-link`);
if (name) {
settings.items[name] = {
url : $(".ghcn-url").value,
tooltip : $(".ghcn-tooltip").value,
hotkey : $(".ghcn-hotkey").value,
content : $(".ghcn-content").value
};
GM_setValue("custom-links", settings);
// update item (should be unique)
if (item) {
// "\n" is the only thing that works as a carriage return for javascript's setAttribute
// See http://wowmotty.blogspot.com/2014/04/methods-to-add-multi-line-css-content.html
item.setAttribute("aria-label", settings.items[name].tooltip.replace(/( |
)/g, "\n"));
item.innerHTML = settings.items[name].content;
}
}
}
function addJSON() {
$(".ghcn-json-code").value = JSON.stringify(settings, null, 2);
}
function processJSON() {
var val,
txt = $(".ghcn-json-code").value;
try {
val = JSON.parse(txt);
} catch (err) {
console.error("GitHub Custom Navigation: Invalid JSON!");
}
return val;
}
function addBindings() {
// Create a menu entry
let el,
menu = make({
el : "a",
cl4ss : "dropdown-item",
html : "Custom Nav Settings",
attr : { id: "ghcn-menu" }
});
el = $$(".header .dropdown-item[href='/settings/profile'], .header .dropdown-item[data-ga-click*='go to profile']");
// get last found item - gists only have the "go to profile" item; GitHub has both
el = el[el.length - 1];
if (el) {
// insert after
el.parentNode.insertBefore(menu, el.nextSibling);
on($("#ghcn-menu"), "click", function() {
openPanel();
});
}
on(window, "hashchange", function() {
openPanelOnHash();
});
on($("#ghcn-overlay"), "click", function(event) {
// ignore bubbled up events
if (event.target.id === "ghcn-overlay") {
closePanel();
}
});
on($("body"), "keyup", function(event) {
// using F2 key for testing
if (editMode && event.keyCode === 27) {
closePanel();
}
});
on($("body"), "click", function(event) {
if (editMode && event.target.classList.contains("header-nav-link")) {
// header-nav-link is a child of header-nav-item, but is the same size
settings.currentLink = event.target.parentNode.getAttribute("data-ghcn");
selectItem();
}
});
on($$(".ghcn-settings-wrapper input"), "input change", function() {
saveLink();
});
on($(".ghcn-add"), "click", function() {
createLink();
});
on($(".ghcn-destroy"), "click", function() {
destroyLink(settings.currentLink);
});
on($(".ghcn-reset"), "click", function() {
resetLinks();
});
on($(".ghcn-close"), "click", function() {
closePanel();
});
// Code
on($(".ghcn-code"), "click", function(){
// open JSON code textarea
$(".ghcn-json-code").classList.toggle("ghcn-visible");
addJSON();
});
// close JSON code textarea
on($(".ghcn-json-code"), "focus", function() {
this.select();
});
on($(".ghcn-json-code"), "paste", function() {
setTimeout(function() {
checkJSON(processJSON());
}, 200);
});
}
function checkJSON(val, init) {
let hasGitHub = false,
hasGists = false,
hasItems = false;
if (val) {
hasGitHub = val.hasOwnProperty("github");
hasGists = val.hasOwnProperty("gists");
hasItems = val.hasOwnProperty("items");
// simple validation
if (hasGitHub && hasGists && hasItems) {
if (!init) {
resetLinks(val);
$(".ghcn-json-code").classList.remove("ghcn-visible");
selectItem();
}
return true;
}
}
let msg = [];
if (!hasGitHub) { msg.push(`"github"`); }
if (!hasGists) { msg.push(`"gists"`); }
if (!hasItems) { msg.push(`"items"`); }
msg = msg.length ? "JSON is missing " + msg.join(" & ") : "Invalid JSON";
console.error("GitHub Custom Navigation: " + msg, val);
return false;
}
// add new link; needs a unique ID
function findUniqueId(prefix) {
let indx = 0,
id = prefix + indx;
if (settings.items[id]) {
while (settings.items[id]) {
id = prefix + indx++;
}
}
return id;
}
// Main process - adds links to header navigation
function customize() {
let nav = $(".header-nav");
if (nav) {
let indx, els,
navStr = ".header-nav",
setItems = settings[getLocation()],
len = setItems.length;
if (!len) { return; }
els = nav.childNodes;
indx = els.length;
while (indx--) {
nav.removeChild(els[indx]);
}
for (indx = 0; indx < len; indx++) {
addToMenu(setItems[indx], navStr);
}
// make sure all svg's have an "octicon" class name
addClass($$(navStr + " svg"), "octicon");
if (editMode) {
updatePanel();
} else {
// narrow the search bar when there are a bunch of links added
// add delay to allow browser to complete reflow
setTimeout(function() {
let width = nav.offsetWidth,
// don't let search bar get narrower than 200px; 360 = starting width
adjust = width > adjustWidth ?
Math.round(Math.max(minSearchInputWidth, 360 - (width - adjustWidth))) + "px" : "";
// default search width is 360px; we don't want to get narrower than 200px
$(".header-search").style.width = adjust;
}, 100);
}
}
}
function $(selector, el) {
return (el || document).querySelector(selector);
}
function $$(selector, el) {
return Array.from((el || document).querySelectorAll(selector));
}
function addClass(els, name) {
let indx = els.length;
while (indx--) {
els[indx].classList.add(name);
}
}
function removeClass(els, name) {
let indx = els.length;
while (indx--) {
els[indx].classList.remove(name);
}
}
function on(els, name, callback) {
els = Array.isArray(els) ? els : [els];
let events = name.split(/\s+/);
els.forEach(function(el) {
events.forEach(function(ev) {
el.addEventListener(ev, callback);
});
});
}
function make(obj) {
let key,
el = document.createElement(obj.el);
if (obj.cl4ss) { el.className = obj.cl4ss; }
if (obj.html) { el.innerHTML = obj.html; }
if (obj.attr) {
for (key in obj.attr) {
if (obj.attr.hasOwnProperty(key)) {
el.setAttribute(key, obj.attr[key]);
}
}
}
if (obj.appendTo) {
$(obj.appendTo).appendChild(el);
}
return el;
}
let isValid = checkJSON(settings, 'init');
if (!isValid) {
resetLinks();
}
customize();
addPanel();
addBindings();
addDragula();
openPanelOnHash();
})();
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