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

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey, Greasemonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Userscripts.

За да инсталирате скрипта, трябва да инсталирате разширение като Tampermonkey.

За да инсталирате този скрипт, трябва да имате инсталиран скриптов мениджър.

(Вече имам скриптов мениджър, искам да го инсталирам!)

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

(Вече имам инсталиран мениджър на стиловете, искам да го инсталирам!)

// ==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);
        }
    };
})();