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github-custom-navigation.user.js
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// ==UserScript==
// @name GitHub Custom Navigation
// @version 1.1.9
// @description A userscript that allows you to customize GitHub's main navigation bar
// @license MIT
// @author Rob Garrison
// @namespace https://github.com/Mottie
// @include https://github.com/*
// @include https://gist.github.com/*
// @run-at document-end
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @icon https://github.githubassets.com/pinned-octocat.svg
// @require https://cdnjs.cloudflare.com/ajax/libs/dragula/3.7.2/dragula.js
// @updateURL https://raw.githubusercontent.com/Mottie/Github-userscripts/master/github-custom-navigation.user.js
// @downloadURL https://raw.githubusercontent.com/Mottie/Github-userscripts/master/github-custom-navigation.user.js
// ==/UserScript==
/* global dragula */
(() => {
"use strict";
// open menu via hash
const panelHash = "#github-custom-nav-settings";
const buildSvg = (w, h, path, vw, vh) =>
`<svg class='octicon' xmlns='http://www.w3.org/2000/svg' aria-hidden='true'
width='${w}' height='${h}' viewBox='0 0 ${vw || w} ${vh || h}'>
<path d='${path}' />
</svg>`;
// get user name; or empty string if not logged in
const user = $("meta[name='user-login']") &&
$("meta[name='user-login']").getAttribute("content") || "";
const defaults = {
github: [
"pr", "issues", "gist", "separator", "stars", "watching", "separator",
"profile", "blog", "marketplace", "explore", "menu"
],
gists: [
"gistall", "giststars", "github", "separator", "pr", "issues", "stars",
"watching", "separator", "profile", "blog", "marketplace", "explore", "menu"
],
currentLink: "pr",
// using full length url so the links work from any subdomain (e.g. gist pages)
items: {
"advsearch": {
url: "https://github.com/search/advanced",
tooltip: "Advanced Search",
hotkey: "",
content: buildSvg(16, 16, `M15.7 14.3L11.89 10.47c0.7-0.98 1.11-2.17
1.11-3.47 0-3.31-2.69-6-6-6S1 3.69 1 7s2.69 6 6 6c1.3 0 2.48-0.41
3.47-1.11l3.83 3.81c0.19 0.2 0.45 0.3 0.7 0.3s0.52-0.09
0.7-0.3c0.39-0.39 0.39-1.02 0-1.41zM7 11.7c-2.59
0-4.7-2.11-4.7-4.7s2.11-4.7 4.7-4.7 4.7 2.11 4.7 4.7-2.11 4.7-4.7 4.7z`
)
},
"blog": {
url: "https://github.blog",
tooltip: "Blog",
hotkey: "",
content: buildSvg(16, 16, `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`
)
},
"explore": {
url: "https://github.com/explore",
tooltip: "Explore",
hotkey: "",
content: buildSvg(16, 16, `M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zm.6
14.5v-1H7.2v1a6.5 6.5 0 0 1-5.7-6h1V7.4h-1a6.5 6.5 0 0 1
5.7-5.8v1h1.4v-1a6.6 6.6 0 0 1 6 5.8h-1v1.3h1a6.5 6.5 0 0 1-6
6zm2.7-10.8l-4.5 3-2.2 4.8 4.7-3z`
)
},
"gist": {
url: "https://gist.github.com/",
tooltip: "Gist",
hotkey: "",
content: buildSvg(12, 16, `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`
)
},
"gistall": {
url: "https://gist.github.com/discover",
tooltip: "Discover Gists",
hotkey: "",
content: buildSvg(12, 16, `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`
)
},
"giststars": {
url: "https://gist.github.com/${me}/starred",
tooltip: "Starred Gists",
hotkey: "",
content: buildSvg(14, 16, `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`
)
},
"github": {
url: "https://github.com",
tooltip: "GitHub",
hotkey: "",
content: buildSvg(16, 16, `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`
)
},
"issues": {
url: "https://github.com/issues",
tooltip: "Issues",
hotkey: "g i",
content: buildSvg(14, 16, `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`
)
},
"marketplace": {
url: "https://github.com/marketplace",
tooltip: "Marketplace",
hotkey: "",
content: buildSvg(14, 16, `M0 0v16h14v-2h-1v1H1V1h12v.5h1V0H0zm3
3v1h8.8l2.5 2.5-.7.6.8.8 1.3-1.4L12.2 3H3zm1.4 2.1l-.8.8 2 2
.8-.8-2-2zm4.5 0L8 6l2 2 1-1-2.1-1.9z' />
<path d='M6.5 15h-1v-4H4v4H3v-5h3.5zM12 13H8v-3h4v3zm-3-1h2v-1H9v1z`
)
},
"menu": {
url: panelHash,
tooltip: "Open Custom Navigation Settings",
hotkey: "",
content: buildSvg(14, 16, `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`
)
},
"pr": {
url: "https://github.com/pulls",
tooltip: "Pull Requests",
hotkey: "g p",
content: buildSvg(12, 16, `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`
)
},
"profile": {
url: "https://github.com/${me}",
tooltip: "Profile",
hotkey: "",
content: buildSvg(8, 16, `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`
)
},
"settings": {
url: "https://github.com/settings/profile",
tooltip: "Settings",
hotkey: "",
content: buildSvg(14, 16, `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`
)
},
"stars": {
url: "https://github.com/stars",
tooltip: "Stars",
hotkey: "",
content: buildSvg(14, 16, `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`
)
},
"watching": {
url: "https://github.com/watching",
tooltip: "Watching",
hotkey: "",
content: buildSvg(16, 16, `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`
)
},
"zenhub": {
url: "#todo",
tooltip: "ZenHub ToDo",
hotkey: "",
content: buildSvg(16, 16, `M29.17 45.988L13.82 21.218h10.56l-1.1-17.206
13.498 24.77h-9.514'/>`, 50, 50
)
}
}
};
const icons = {
add: buildSvg(12, 14, `M12 9H7v5H5V9H0V7h5V2h2v5h5`, 12, 16),
close: buildSvg(9, 9, `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`
),
info: buildSvg(14, 16, `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`
),
separator: buildSvg(12, 16, `M7 16H5V0h2`)
};
let drake;
let editMode = false;
let panelHashTriggered = false;
// remember scrollTop when settings panel opens (if using sticky nav header style)
let scrollTop = 0;
let settings = GM_getValue("custom-links", defaults);
function addPanel() {
GM_addStyle(`
/* Use border right when a vertical bar is added */
.Header-link.ghcn-separator { border-right:#777 1px solid;
padding:4px 0; }
/* settings panel */
#ghcn-overlay { position:fixed; top:50px; left:0; right:0; bottom:0;
z-index:45; 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:60px; z-index:50;
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; max-height:35px; }
.ghcn-settings-wrapper div { line-height:38px; }
#ghcn-nav-items { min-height: 38px; }
#ghcn-nav-items .Header-item, .ghcn-nav .Header-item { margin-bottom:4px;
margin-right:2px; }
.ghcn-settings-wrapper hr { margin: 10px 0; }
.ghcn-footer { margin-top:4px; border-top:#555 solid 1px; }
li[data-ghcn] a { min-width:25px; text-align: center; }
.Header-link { padding:2px 5px; margin:6px 0; }
.ghcn-nav .Header-link svg, .ghcn-nav .Header-link img,
#ghcn-nav-items .Header-link svg, #ghcn-nav-items .Header-link img,
.gu-mirror svg, .gu-mirror img {
max-height:16px; fill:currentColor; vertical-align:middle;
overflow:visible; }
/* override white text when settings panel is open*/
body.ghcn-settings-open #ghcn-nav-items .text-emphasized {
color: #24292e; }
/* panel open */
body.ghcn-settings-open {
overflow:hidden !important; /* !important overrides wiki style */ }
/* hide other header elements while settings is open (overflow issues) */
body.ghcn-settings-open .header-search,
body.ghcn-settings-open #user-links.d-flex,
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 !important; }
body.ghcn-settings-open .ghcn-nav { width:100%; }
body.ghcn-settings-open .Header-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 .ghcn-nav .Header-item,
.ghcn-settings-wrapper .Header-item { cursor:move;
border:#555 1px solid; border-radius:4px; margin-left: 2px;
display:inline-block; }
body.ghcn-settings-open .Header-link,
.ghcn-settings-wrapper .Header-link { min-height:auto;
min-width:16px; padding-top:1px; }
body.ghcn-settings-open .js-header-wrapper .Header-link.form-control,
body.ghcn-settings-open .Header .Header-link.form-control {
background-color: transparent; border: 1px solid #444; }
body.ghcn-settings-open .Header-link svg,
body.ghcn-settings-open .Header-link img { margin-bottom:4px; }
/* JSON code block */
.ghcn-json-code { display:none; font-family:Menlo, Inconsolata,
"Droid Mono", monospace; font-size:1em; height:calc(100% - 40px);
resize:none; }
.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 v3.7.2 (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 class="text-emphasized">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-w" aria-label="Toggle JSON data view">
{ }
</button>
</h3>
<div class="ghcn-settings-wrapper boxed-group-inner">
<ul id="ghcn-nav-items" class="BtnGroup ghcn-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 ghcn-hotkey-link" 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 btn-danger tooltipped tooltipped-n tooltipped-multiline" aria-label="Reset to default
(Removes all custom entries!)">
Reset
</span>
<span class="btn btn-sm ghcn-restore tooltipped tooltipped-n" aria-label="Restore missing default entries">
Restore
</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 = $(panelStr + ` .Header-item[data-ghcn="${item}"]`);
// customize adds stuff to main nav
if (inNav && inSettings) {
panel.removeChild(inSettings);
} else if (!inNav && !inSettings) {
addToMenu(item, panelStr);
}
}
if (!$(panelStr + " .Header-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 = $(".ghcn-nav");
drake = dragula($$(".ghcn-nav, #ghcn-nav-items"), {
invalid: () => {
return !editMode;
}
});
drake.on("drop", () => {
let indx, link,
temp = [],
list = topNav.childNodes,
len = list.length;
for (indx = 0; indx < len; indx++) {
link = list[indx].getAttribute("data-ghcn");
if (link) {
temp[temp.length] = link;
}
}
settings[getLocation()] = temp;
GM_setValue("custom-links", settings);
updatePanel();
});
}
// Clicked item; show selection
function selectItem() {
// highlight current link
let temp = $$(".Header-link.focus");
removeClass(temp, "focus");
temp = $$(".Header-item[data-ghcn='" + (settings.currentLink || "") +
"'] .Header-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 = "text-emphasized Header-link " +
(editMode ? "" : "js-selected-navigation-item");
// 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-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: "span",
appendTo: target,
attr: {
"data-ghcn": name
},
cl4ss: "Header-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-item[data-ghcn="${item}"]`);
if (el) {
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-item"),
indx = els.length;
while (indx--) {
item = els[indx].getAttribute("data-ghcn");
if (item !== "separator" && !settings.items.hasOwnProperty(item)) {
destroyLink(item);
}
}
customize();
}
function restoreLinks() {
Object.assign(settings.items, defaults.items);
GM_setValue("custom-links", settings);
updatePanel();
}
// 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 = $(`.Header-item[data-ghcn="${name}"] .Header-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() {
let 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 = $$(`
.Header .dropdown-item[href='/settings/profile'],
.Header .dropdown-item[data-ga-click*='go to profile'],
.js-header-wrapper .dropdown-item[href='/settings/profile'],
.js-header-wrapper .dropdown-item[data-ga-click*='go to profile']`
);
// get last found item - gists only have the "go to profile" item; GitHub
// has both
el = el[el.length - 1];
if (el) {
// insert after
el.parentNode.insertBefore(menu, el.nextSibling);
on($("#ghcn-menu"), "click", openPanel);
}
on(window, "hashchange", openPanelOnHash);
on($("#ghcn-overlay"), "click", event => {
// ignore bubbled up events
if (event.target.id === "ghcn-overlay") {
closePanel();
}
});
on($("body"), "keyup", event => {
// using F2 key for testing
if (editMode && event.keyCode === 27) {
closePanel();
}
});
on($("body"), "click", event => {
const target = event.target;
if (editMode && target.classList.contains("Header-link")) {
// Header-link is a child of Header-item, but is the same size
settings.currentLink = target.parentNode.getAttribute("data-ghcn");
selectItem();
}
});
on($$(".ghcn-settings-wrapper input"), "input change", saveLink);
on($(".ghcn-add"), "click", createLink);
on($(".ghcn-destroy"), "click", () => destroyLink(settings.currentLink));
on($(".ghcn-reset"), "click", resetLinks);
on($(".ghcn-restore"), "click", restoreLinks);
// close panel when hotkey link is clicked or the page scrolls on the
// documentation wiki
on($$(".ghcn-close, .ghcn-hotkey-link"), "click", closePanel);
// Code
on($(".ghcn-code"), "click", () => {
// open JSON code textarea
$(".ghcn-json-code").classList.toggle("ghcn-visible");
addJSON();
});
// close JSON code textarea
on($(".ghcn-json-code"), "focus", function() {
this.select();
});
on($(".ghcn-json-code"), "paste", () => {
setTimeout(() => {
checkJSON(processJSON());
}, 200);
});
}
function checkJSON(val, init) {
let hasGitHub = false,
hasGists = false,
hasItems = false;
if (val) {
hasGitHub = val.hasOwnProperty("github");
hasGists = val.hasOwnProperty("gists");
hasItems = val.hasOwnProperty("items");
// simple validation
if (hasGitHub && hasGists && hasItems) {
if (!init) {
resetLinks(val);
$(".ghcn-json-code").classList.remove("ghcn-visible");
selectItem();
}
return true;
}
}
let msg = [];
if (!hasGitHub) {
msg.push(`"github"`);
}
if (!hasGists) {
msg.push(`"gists"`);
}
if (!hasItems) {
msg.push(`"items"`);
}
msg = msg.length ? "JSON is missing " + msg.join(" & ") : "Invalid JSON";
console.error("GitHub Custom Navigation: " + msg, val);
return false;
}
// add new link; needs a unique ID
function findUniqueId(prefix) {
let indx = 0,
id = prefix + indx;
if (settings.items[id]) {
while (settings.items[id]) {
id = prefix + indx++;
}
}
return id;
}
// Main process - adds links to header navigation
function customize() {
let nav = $(".Header nav");
if (nav) {
nav.classList.add("ghcn-nav");
let indx, els,
navStr = ".ghcn-nav",
setItems = settings[getLocation()],
len = setItems.length;
if (!len) {
return;
}
els = nav.childNodes;
indx = els.length;
while (indx--) {
nav.removeChild(els[indx]);
}
for (indx = 0; indx < len; indx++) {
addToMenu(setItems[indx], navStr);
}
// make sure all svg's have an "octicon" class name
addClass($$(navStr + " svg"), "octicon");
if (editMode) {
updatePanel();
}
}
}
function $(selector, el) {
return (el || document).querySelector(selector);
}
function $$(selector, el) {
return [...(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(el => {
events.forEach(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();
})();