GitHub Octotree single file view button

Adds a button to GitHub pull requests that activates a single file view for Octotree.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         GitHub Octotree single file view button
// @namespace    https://puac.de/
// @version      0.1.0
// @description  Adds a button to GitHub pull requests that activates a single file view for Octotree.
// @author       Hans Puac
// @match        https://github.com/*/pull/*/files
// @run-at       document-end
// ==/UserScript==

(function () {
    'use strict';

    var activateSingleFileView = function () {
        document.querySelector('.jstree-container-ul').addEventListener('click', function (e) {
            if (e.target.matches('.jstree-anchor')) {
                var id = e.target.href.split('#')[1];
                document.querySelectorAll('.js-file').forEach(function (item) {
                    if (item.id === id) {
                        item.classList.add('open', 'Details--on');
                    } else {
                        item.classList.remove('open', 'Details--on');
                    }
                });
            }
        });
    };

    var activateButton = document.createElement('button');
    activateButton.innerText = 'Octotree single file view';
    activateButton.classList.add('btn', 'btn-sm');
    activateButton.style.float = 'left';
    activateButton.style.marginRight = '20px';
    activateButton.addEventListener(
        'click',
        function () {
            activateButton.remove();
            activateSingleFileView();
        },
        false
    );

    var buttonWrapper = document.querySelector('.pr-review-tools');
    if (buttonWrapper === null) {
        buttonWrapper = document.querySelector('.js-details-container .BtnGroup');
    }
    buttonWrapper.prepend(activateButton);
})();