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

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==
// @name         Copy a Gerrit link for querying CR And add a button to browse branch code
// @namespace    http://tampermonkey.net/
// @version      0.10
// @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
// @author       Jackie
// @match        https://gerrit.mot.com*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=mot.com
// @run-at       document-end
// @grant        GM.addStyle
// @grant        GM.setValue
// @grant        GM.getValue
// @grant        GM.log
// @grant        GM.openInTab
// ==/UserScript==

(function() {
    'use strict';

    let action = ()=>{
        sleep(100).then(()=>{
            addButtons();
        });
    }
    //action();
    sleep(1000).then(()=>{
        let c = document.getElementById("gerrit_header");
        observeDOM(c, /*onAdd*/ action, /*onRemove*/ action);
    });
})();

const KEY_SUGGEST_BRANCH = "suggested_branches_";
let allSuggestBranches = ["mt-r1/bt", "mt-r2/bt", "mt-r3/bt"];

function addButtons() {
    console.log(`=======================addButtons`)
    if(document.getElementById('btn_cp_link')) return;
    let btnCopyCrQueryLink = createButton("CopyQueryLink");
    btnCopyCrQueryLink.id = 'btn_cp_link';
    btnCopyCrQueryLink.onclick = () => {
        let msg = "CR not found!"
        let link = getQueryLink();
        navigator.clipboard.writeText(link);
        showSnackbar(link ? `Copied: ${link}` : 'CR not found!');
    }
    let btnOpenCrQueryLink = createButton("OpenQueryLink");
    btnOpenCrQueryLink.onclick = () => {
        let msg = "CR not found!"
        let link = getQueryLink();
        if(!link) {
            showSnackbar('CR not found!')
        } else {
            GM.openInTab(link, { active: true });
        }
    }
    let parent = document.getElementsByClassName("com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-idAndStatus")[0];
    if(parent) {
        parent.classList.add('com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-headerButtons');
        parent.appendChild(btnCopyCrQueryLink);
        parent.appendChild(btnOpenCrQueryLink);
    }

    let btnBrowseBranch = createElement({
        name:"a",
        class:"com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-projectSettings",
        innerHTML: "Browse Branch"
    });
    btnBrowseBranch.target = `_blank`;

    let branchTd = document.querySelector('#change_infoTable > tbody > tr:nth-of-type(7) > td:nth-of-type(1)');
    let branchName = branchTd.firstChild.text;
    btnBrowseBranch.href = `https://gerrit.mot.com/plugins/gitiles/${getProjectName()}/+/refs/heads/${branchName}`;
    branchTd.appendChild(btnBrowseBranch);

    GM.getValue(KEY_SUGGEST_BRANCH + getProjectName(), []).then((it)=>{
        GM.log(`allSuggestBranches: ${it}`);
        allSuggestBranches = it;
    });
    let addSuggestBranchAction = ()=>{
        sleep(100).then(addSuggestBranchButtons);
    }
    observeDOM(document.body, /*onAdd*/ addSuggestBranchAction);
}

function getQueryLink() {
    let link = null;
    let crDiv = document.getElementsByClassName("com-google-gerrit-client-change-CommitBox_BinderImpl_GenCss_style-text")[0];
    if(crDiv && crDiv.firstElementChild){
        link = "https://gerrit.mot.com/#/q/" + crDiv.firstElementChild.text;
    }
    return link;
}

function addSuggestBranchButtons(readd){
    GM.addStyle(`.com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user{
        margin: 3px;
    }`);
    let parent = getSuggestBranchParent(readd);
    if(parent){
        for (let branch of allSuggestBranches) {
            createBranchSuggestButton(branch, parent);
        }
        createAddSuggestButton(parent);
    }
}

function getSuggestBranchParent(readd) {
    let parent = document.querySelector('.gwt-DialogBox.commentedActionDialog .smallHeading');
    if(parent && parent.textContent && parent.textContent.startsWith('Cherry Pick to')){
        let div = document.getElementById('suggested_branches');
        if(div && readd){
            div.parentElement.removeChild(div);
        }
        if(!div){
            div = document.createElement('div');
            div.id = "suggested_branches";
            parent.appendChild(div);
        }
        return div;
    }
    return null;
}

function createAddSuggestButton(parent) {
    if(document.getElementById('addSuggestBranch')) return;
    let span = document.createElement('span');
    span.role = "listitem";
    span.id = 'addSuggestBranch';
    span.title = "Add Suggest branch";
    span.className="com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user";
    span.innerText = '+';
    span.onclick = ()=>{
        let branchName = prompt('Branch Name', '');
        if(branchName){
            getBranchInput().value = branchName;
            addSuggestBranch(branchName);
            span.before(createBranchSuggestButton(branchName));
        }
    }
    parent.appendChild(span);
}

function removeSuggestBranch(branchName) {
    allSuggestBranches.removeByValue(branchName);
    GM.setValue(KEY_SUGGEST_BRANCH + getProjectName(), allSuggestBranches);
}

function addSuggestBranch(branchName) {
    allSuggestBranches.push(branchName);
    GM.setValue(KEY_SUGGEST_BRANCH + getProjectName(), allSuggestBranches);
}

function getProjectName(){
    return document.querySelector('#change_infoTable > tbody > tr:nth-of-type(6) > td:nth-of-type(1)').firstChild.text;
}

function createBranchSuggestButton(branchName, parent) {
    if(document.getElementById(branchName)) return;
    let span = document.createElement('span');
    span.role = "listitem";
    span.title = "Suggested branch";
    span.id = branchName;
    span.className="com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-label_user";
    span.innerText = branchName;
    span.onclick = ()=>{
        let branchInput = getBranchInput();
        branchInput.value = branchName;
    }
    let deleteButton = document.createElement('button');
    deleteButton.title = "Remove suggested branch"
    deleteButton.innerText = 'X';
    deleteButton.onclick = ()=>{
        removeSuggestBranch(branchName);
        GM.setValue(KEY_SUGGEST_BRANCH, allSuggestBranches);
        span.parentElement.removeChild(span);
    }
    span.appendChild(deleteButton);
    if(parent){
        parent.appendChild(span);
    }
    return span;
}

function getBranchInput() {
    return document.querySelector('.gwt-SuggestBox');
}

function showSnackbar(msg) {
    msg = msg ? msg : "Copied succesfully";
    let snackbar = getSnackbar(msg);
    snackbar.innerHTML = msg;
    snackbar.className = "show";
    setTimeout(function(){
        snackbar.className = snackbar.className.replace("show", "");
    }, 1500);
}

function getSnackbar() {
    let snackbar = document.getElementById('snackbar');
    if(!snackbar) {
        snackbar = document.createElement("div");
        snackbar.id="snackbar";
        document.getElementsByClassName('screen')[0].appendChild(snackbar);
    }
    GM.addStyle(`
      #snackbar {
  visibility: hidden;
  min-width: 250px;
  margin-left: -125px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 2px;
  padding: 16px;
  position: fixed;
  z-index: 1;
  left: 50%;
  top: 50px;
  font-size: 17px;
}

#snackbar.show {
  visibility: visible;
  -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
  animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@-webkit-keyframes fadein {
  from {top: 0; opacity: 0;}
  to {top: 50px; opacity: 1;}
}

@keyframes fadein {
  from {top: 0; opacity: 0;}
  to {top: 50px; opacity: 1;}
}

@-webkit-keyframes fadeout {
  from {top: 50px; opacity: 1;}
  to {top: 0; opacity: 0;}
}

@keyframes fadeout {
  from {top: 50px; opacity: 1;}
  to {top: 0; opacity: 0;}
}
    `);
    return snackbar;
}

function createButton(text) {
    let button = createElement(
        {
            name:"button",
            class:"com-google-gerrit-client-change-ChangeScreen_BinderImpl_GenCss_style-highlight",
        }
    );
    button.type = "button";
    button.title = text;
    let div = document.createElement('div');
    div.innerHTML=text;
    button.appendChild(div);
    return button;
}

function createElement(info) {
    if(!info.name) return undefined;
    let element = document.createElement(info.name);
    if(info.innerHTML) element.innerHTML = info.innerHTML;
    if(info.class) {
        element.className = info.class;
    }
    return element;
}

function sleep (time) {
    return new Promise((resolve) => setTimeout(resolve, time));
}

Array.prototype.removeByValue = function (val) {
    for (var i = 0; i < this.length; i++) {
        if (this[i] === val) {
            this.splice(i, 1);
            i--;
        }
    }
    return this;
}

const observeDOM = (function () {
    let MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
    let eventListenerSupported = window.addEventListener;

    return function (obj, onAddCallback, onRemoveCallback) {
        if (MutationObserver) {
            // define a new observer
            let mutationObserver = new MutationObserver(function (mutations, observer) {
                // if (mutations[0].addedNodes.length && onAddCallback != undefined) {
                onAddCallback();
                // }
            });
            // have the observer observe foo for changes in children
            mutationObserver.observe(obj, { attributes: true, childList: true, subtree: true });
        } else if (eventListenerSupported) {
            obj.addEventListener('DOMNodeInserted', onAddCallback, false);
        }
    };
})();