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Copy a Gerrit link for querying CR And add a button to browse branch code

快捷浏览分支代码，快捷拷贝查询CR的链接，快捷选择cherry-pick的分支

当前为 2023-07-10 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Copy a Gerrit link for querying CR And add a button to browse branch code
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.7
  5. // @description  快捷浏览分支代码，快捷拷贝查询CR的链接，快捷选择cherry-pick的分支
  6. // @author       Jackie
  7. // @match        https://gerrit.mot.com*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=mot.com
  9. // @run-at       document-end
  10. // @grant        GM.addStyle
  11. // @grant        GM.setValue
  12. // @grant        GM.getValue
  13. // @grant        GM.log
  14. // ==/UserScript==
  15.  
  16. (function() {
  17.     'use strict';
  18.  
  19.     let action = ()=>{
  20.         sleep(100).then(()=>{
  21.             addButtons();
  22.         });
  23.     }
  24.     //action();
  25.     sleep(1000).then(()=>{
  26.         let c = document.getElementById("gerrit_header");
  27.         observeDOM(c, /*onAdd*/ action, /*onRemove*/ action);
  28.     });
  29. })();
  30.  
  31. const KEY_SUGGEST_BRANCH = "suggested_branches_";
  32. let allSuggestBranches = ["mt-r1/bt", "mt-r2/bt", "mt-r3/bt"];
  33.  
  34. function addButtons() {
  35.     console.log(`=======================addButtons`)
  36.     let btnCopyCrQueryLink = createButton("CopyQueryLink");
  37.     btnCopyCrQueryLink.onclick = () => {
  38.         let msg = "CR not found!"
  39.         let crDiv = document.getElementsByClassName("com-google-gerrit-client-change-CommitBox_BinderImpl_GenCss_style-text")[0];
  40.         if(crDiv && crDiv.firstElementChild){
  41.             msg = "https://gerrit.mot.com/#/q/" + crDiv.firstElementChild.text;
  42.         }
  43.         navigator.clipboard.writeText(msg);
  44.         showSnackbar(msg);
  45.     }
  46.     let parent = document.getElementsByClassName("com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-idAndStatus")[0];
  47.     if(parent) {
  48.         parent.classList.add('com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-headerButtons');
  49.         parent.appendChild(btnCopyCrQueryLink);
  50.     }
  51.  
  52.     let btnBrowseBranch = createElement({
  53.         name:"a",
  54.         class:"com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-projectSettings",
  55.         innerHTML: "Browse Branch"
  56.     });
  57.     btnBrowseBranch.target = `_blank`;
  58.  
  59.     let branchTd = document.querySelector('#change_infoTable > tbody > tr:nth-of-type(7) > td:nth-of-type(1)');
  60.     let branchName = branchTd.firstChild.text;
  61.     btnBrowseBranch.href = `https://gerrit.mot.com/plugins/gitiles/${getProjectName()}/+/refs/heads/${branchName}`;
  62.     branchTd.appendChild(btnBrowseBranch);
  63.  
  64.     GM.getValue(KEY_SUGGEST_BRANCH + getProjectName(), []).then((it)=>{
  65.         GM.log(`allSuggestBranches: ${it}`);
  66.         allSuggestBranches = it;
  67.     });
  68.     let addSuggestBranchAction = ()=>{
  69.         sleep(100).then(addSuggestBranchButtons);
  70.     }
  71.     observeDOM(document.body, /*onAdd*/ addSuggestBranchAction);
  72. }
  73.  
  74. function addSuggestBranchButtons(readd){
  75.     GM.addStyle(`.com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user{
  76.         margin: 3px;
  77.     }`);
  78.     let parent = getSuggestBranchParent(readd);
  79.     if(parent){
  80.         for (let branch of allSuggestBranches) {
  81.             createBranchSuggestButton(branch, parent);
  82.         }
  83.         createAddSuggestButton(parent);
  84.     }
  85. }
  86.  
  87. function getSuggestBranchParent(readd) {
  88.     let parent = document.querySelector('.gwt-DialogBox.commentedActionDialog .smallHeading');
  89.     if(parent && parent.textContent && parent.textContent.startsWith('Cherry Pick to')){
  90.         let div = document.getElementById('suggested_branches');
  91.         if(div && readd){
  92.             div.parentElement.removeChild(div);
  93.         }
  94.         if(!div){
  95.             div = document.createElement('div');
  96.             div.id = "suggested_branches";
  97.             parent.appendChild(div);
  98.         }
  99.         return div;
  100.     }
  101.     return null;
  102. }
  103.  
  104. function createAddSuggestButton(parent) {
  105.     if(document.getElementById('addSuggestBranch')) return;
  106.     let span = document.createElement('span');
  107.     span.role = "listitem";
  108.     span.id = 'addSuggestBranch';
  109.     span.title = "Add Suggest branch";
  110.     span.className="com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user";
  111.     span.innerText = '+';
  112.     span.onclick = ()=>{
  113.         let branchName = prompt('Branch Name', '');
  114.         if(branchName){
  115.             getBranchInput().value = branchName;
  116.             addSuggestBranch(branchName);
  117.             span.before(createBranchSuggestButton(branchName));
  118.         }
  119.     }
  120.     parent.appendChild(span);
  121. }
  122.  
  123. function removeSuggestBranch(branchName) {
  124.     allSuggestBranches.removeByValue(branchName);
  125.     GM.setValue(KEY_SUGGEST_BRANCH + getProjectName(), allSuggestBranches);
  126. }
  127.  
  128. function addSuggestBranch(branchName) {
  129.     allSuggestBranches.push(branchName);
  130.     GM.setValue(KEY_SUGGEST_BRANCH + getProjectName(), allSuggestBranches);
  131. }
  132.  
  133. function getProjectName(){
  134.     return document.querySelector('#change_infoTable > tbody > tr:nth-of-type(6) > td:nth-of-type(1)').firstChild.text;
  135. }
  136.  
  137. function createBranchSuggestButton(branchName, parent) {
  138.     if(document.getElementById(branchName)) return;
  139.     let span = document.createElement('span');
  140.     span.role = "listitem";
  141.     span.title = "Suggested branch";
  142.     span.id = branchName;
  143.     span.className="com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user";
  144.     span.innerText = branchName;
  145.     span.onclick = ()=>{
  146.         let branchInput = getBranchInput();
  147.         branchInput.value = branchName;
  148.     }
  149.     let deleteButton = document.createElement('button');
  150.     deleteButton.title = "Remove suggested branch"
  151.     deleteButton.innerText = 'X';
  152.     deleteButton.onclick = ()=>{
  153.         removeSuggestBranch(branchName);
  154.         GM.setValue(KEY_SUGGEST_BRANCH, allSuggestBranches);
  155.         span.parentElement.removeChild(span);
  156.     }
  157.     span.appendChild(deleteButton);
  158.     if(parent){
  159.         parent.appendChild(span);
  160.     }
  161.     return span;
  162. }
  163.  
  164. function getBranchInput() {
  165.     return document.querySelector('.gwt-SuggestBox');
  166. }
  167.  
  168. function showSnackbar(msg) {
  169.     msg = msg ? msg : "Copied succesfully";
  170.     let snackbar = getSnackbar(msg);
  171.     snackbar.innerHTML = msg;
  172.     snackbar.className = "show";
  173.     setTimeout(function(){
  174.         snackbar.className = snackbar.className.replace("show", "");
  175.     }, 1500);
  176. }
  177.  
  178. function getSnackbar() {
  179.     let snackbar = document.getElementById('snackbar');
  180.     if(!snackbar) {
  181.         snackbar = document.createElement("div");
  182.         snackbar.id="snackbar";
  183.         document.getElementsByClassName('screen')[0].appendChild(snackbar);
  184.     }
  185.     GM.addStyle(`
  186.       #snackbar {
  187.   visibility: hidden;
  188.   min-width: 250px;
  189.   margin-left: -125px;
  190.   background-color: #333;
  191.   color: #fff;
  192.   text-align: center;
  193.   border-radius: 2px;
  194.   padding: 16px;
  195.   position: fixed;
  196.   z-index: 1;
  197.   left: 50%;
  198.   top: 50px;
  199.   font-size: 17px;
  200. }
  201.  
  202. #snackbar.show {
  203.   visibility: visible;
  204.   -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
  205.   animation: fadein 0.5s, fadeout 0.5s 2.5s;
  206. }
  207.  
  208. @-webkit-keyframes fadein {
  209.   from {top: 0; opacity: 0;}
  210.   to {top: 50px; opacity: 1;}
  211. }
  212.  
  213. @keyframes fadein {
  214.   from {top: 0; opacity: 0;}
  215.   to {top: 50px; opacity: 1;}
  216. }
  217.  
  218. @-webkit-keyframes fadeout {
  219.   from {top: 50px; opacity: 1;}
  220.   to {top: 0; opacity: 0;}
  221. }
  222.  
  223. @keyframes fadeout {
  224.   from {top: 50px; opacity: 1;}
  225.   to {top: 0; opacity: 0;}
  226. }
  227.     `);
  228.     return snackbar;
  229. }
  230.  
  231. function createButton(text) {
  232.     let button = createElement(
  233.         {
  234.             name:"button",
  235.             class:"com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-highlight",
  236.         }
  237.     );
  238.     button.type = "button";
  239.     button.title = text;
  240.     let div = document.createElement('div');
  241.     div.innerHTML=text;
  242.     button.appendChild(div);
  243.     return button;
  244. }
  245.  
  246. function createElement(info) {
  247.     if(!info.name) return undefined;
  248.     let element = document.createElement(info.name);
  249.     if(info.innerHTML) element.innerHTML = info.innerHTML;
  250.     if(info.class) {
  251.         element.className = info.class;
  252.     }
  253.     return element;
  254. }
  255.  
  256. function sleep (time) {
  257.     return new Promise((resolve) => setTimeout(resolve, time));
  258. }
  259.  
  260. Array.prototype.removeByValue = function (val) {
  261.     for (var i = 0; i < this.length; i++) {
  262.         if (this[i] === val) {
  263.             this.splice(i, 1);
  264.             i--;
  265.         }
  266.     }
  267.     return this;
  268. }
  269.  
  270. const observeDOM = (function () {
  271.     let MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
  272.     let eventListenerSupported = window.addEventListener;
  273.  
  274.     return function (obj, onAddCallback, onRemoveCallback) {
  275.         if (MutationObserver) {
  276.             // define a new observer
  277.             let mutationObserver = new MutationObserver(function (mutations, observer) {
  278.                 // if (mutations[0].addedNodes.length && onAddCallback != undefined) {
  279.                 onAddCallback();
  280.                 // }
  281.             });
  282.             // have the observer observe foo for changes in children
  283.             mutationObserver.observe(obj, { attributes: true, childList: true, subtree: true });
  284.         } else if (eventListenerSupported) {
  285.             obj.addEventListener('DOMNodeInserted', onAddCallback, false);
  286.         }
  287.     };
  288. })();