change default settings for the github editor
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// ==UserScript==
// @name GitHub Editor - Change Default Settings
// @namespace https://greasyfork.org/users/649
// @version 1.1
// @description change default settings for the github editor
// @author Adrien Pyke
// @match *://github.com/*/new/*
// @match *://github.com/*/edit/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @require https://cdn.rawgit.com/fuzetsu/userscripts/477063e939b9658b64d2f91878da20a7f831d98b/wait-for-elements/wait-for-elements.js
// ==/UserScript==
(function() {
'use strict';
const loadConfig = function() {
let defaults = {
indentMode: 'tab',
indentWidth: 4,
wrapMode: 'off'
};
let cfg = GM_getValue('cfg');
if (!cfg) return defaults;
return JSON.parse(cfg);
};
const saveConfig = function(cfg) {
GM_setValue('cfg', JSON.stringify(cfg));
};
const setup = function() {
const createContainer = function() {
let div = document.createElement('div');
div.style.backgroundColor = 'white';
div.style.padding = '5px';
div.style.border = '1px solid black';
div.style.position = 'fixed';
div.style.top = '0';
div.style.right = '0';
div.style.zIndex = 99999;
return div;
};
const createSelect = function(label, options, value) {
let select = document.createElement('select');
select.style.margin = '2px';
let optgroup = document.createElement('optgroup');
if (label) {
optgroup.setAttribute('label', label);
}
select.appendChild(optgroup);
options.forEach(opt => {
let option = document.createElement('option');
option.setAttribute('value', opt.value);
option.textContent = opt.text;
optgroup.appendChild(option);
});
select.value = value;
return select;
};
const createButton = function(text, onclick) {
let button = document.createElement('button');
button.style.margin = '2px';
button.textContent = text;
button.onclick = onclick;
return button;
};
const createLineBreak = function() {
return document.createElement('br');
};
const init = function(cfg) {
let div = createContainer();
let indentMode = createSelect('Indent mode', [
{ value: 'space', text: 'Spaces' },
{ value: 'tab', text: 'Tabs' }
], cfg.indentMode);
div.appendChild(indentMode);
let indentWidth = createSelect('Indent size', [
{ value: 2, text: 2 },
{ value: 4, text: 4 },
{ value: 8, text: 8 }
], cfg.indentWidth);
div.appendChild(indentWidth);
let wrapMode = createSelect('Line wrap mode', [
{ value: 'off', text: 'No wrap' },
{ value: 'on', text: 'Soft wrap' }
], cfg.wrapMode);
div.appendChild(wrapMode);
div.appendChild(createLineBreak());
div.appendChild(createButton('Save', () => {
let settings = {
indentMode: indentMode.value,
indentWidth: indentWidth.value,
wrapMode: wrapMode.value
};
saveConfig(settings);
div.remove();
}));
div.appendChild(createButton('Cancel', () => div.remove()));
document.body.appendChild(div);
};
init(loadConfig());
};
const updateDropdown = function(dropdown, value) {
dropdown.value = value;
let evt = document.createEvent('HTMLEvents');
evt.initEvent('change', false, true);
dropdown.dispatchEvent(evt);
};
const applySettings = function(cfg) {
let indentMode = document.querySelector('.js-code-indent-mode');
let indentWidth = document.querySelector('.js-code-indent-width');
let wrapMode = document.querySelector('.js-code-wrap-mode');
if (location.href.match(/^https?:\/\/github.com\/[^/]*\/[^/]*\/new\/.*/)) {
// new file
updateDropdown(indentMode, cfg.indentMode);
updateDropdown(indentWidth, cfg.indentWidth);
updateDropdown(wrapMode, cfg.wrapMode);
} else if (location.href.match(/^https?:\/\/github.com\/[^/]*\/[^/]*\/edit\/.*/)) {
// edit file
// if the file is using space indentation we don't want to change it
if (indentMode.value === 'tab') {
updateDropdown(indentWidth, cfg.indentWidth);
}
updateDropdown(wrapMode, cfg.wrapMode);
}
};
GM_registerMenuCommand('GitHub Editor Settings', setup);
let settings = loadConfig();
waitForElems({
sel: '.CodeMirror-code',
onmatch() {
applySettings(settings);
}
});
}());