GitHub: Add Flattr button

Add Flattr button on GitHub.com

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

/*
    Add Flattr button on GitHub.com
    Copyright (C) 2012 LouCypher

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>
*/

// ==UserScript==
// @name          GitHub: Add Flattr button
// @namespace     https://github.com/LouCypher
// @description   Add Flattr button on GitHub.com
// @version       13.0
// @author        LouCypher
// @license       GPL
// @icon          http://i.imgur.com/VDx96.png
// @resource      license https://raw.github.com/LouCypher/userscripts/master/licenses/GPL/LICENSE.txt
// @resource      changelog https://github.com/LouCypher/userscripts/raw/master/github-flattr/changelog.txt
// @include       https://github.com/*
// @include       https://gist.github.com/*
// @exclude       https://github.com/dashboard/*
// @exclude       https://github.com/*/following
// ==/UserScript==

(function() {
  var isGist = location.hostname == "gist.github.com";
  var buttons = $(".pagehead ul.pagehead-actions") || // repo/gist page
                $(".user-following-container");       // user profile page
  if (!buttons ||

      // Thou shalt not Flattreth thyself.
      ($("li.text", buttons) && ($("li.text", buttons).textContent == "This is you!")) ||

      // Thou canst not Flattreth organizations.
      // http://blog.flattr.net/2012/02/winter-update-github-tweets-extensions/#comment-8471
      $(".pagehead > .avatared > .organization-bit") ||

      $("li a.minibutton.btn-back", buttons)

     ) return;

  var url = location.href;

  if (isGist) {
    var owner = $(".author.vcard a");
    var user = $("#user-links .name");
    if (user && (user.href == owner.href)) return; // Thou shalt not Flattreth thine own gist.

    var li = insertBefore(document.createElement("li"), $("li", buttons), buttons);

    var button = li.appendChild(document.createElement("button"));
    button.className = "minibutton";
    button.appendChild(flattrButton($("a.js-current-repository").href));
    button.appendChild(button.firstChild.lastChild);
    button.addEventListener("click", function(e) {
      e.target.querySelector("a").click();
    }, false);

    return;
  }

  var username = $(".avatared > h1 > em") || $(".avatared > h1 > .name-only");
  var repoName = url.match(/[^(\.com\/)]\w+\/.[^\/]*/);
  if (!(repoName || username)) return;

  var permalink = $(".js-current-repository");

  var name = repoName ? repoName.toString() : username.textContent;

  if (buttons.nodeName == "SPAN") {
    url = location.href.replace(location.search, "");
    var span = insertBefore(document.createElement("span"),
                            buttons.firstChild, buttons);
    span.appendChild(flattrButton(url, "Flattr " + name, "minibutton"));

  } else if (!$(".repohead ul.tabs li:last-child a[href$='settings']")) {
  // Thou shalt not Flattreth thine own repo.
    var li = insertBefore(document.createElement("li"),
                          $("li.text", buttons) ? $("li.text", buttons).
                                                  nextSibling
                                                : buttons.firstChild,
                          buttons);
    li.appendChild(flattrButton(permalink ? permalink.href : url,
                                "Flattr " + name, "minibutton"));
  }

  var container = $("#js-repo-pjax-container");
  var committer = $(".authorship .author-name a", container);
  var user = $("#user .name"); // Logged in.

  // Thou shalt not Flattreth thine own commit.
  if (user && committer && (user.href == committer.href)) return;

  var browse = $(".commit > .browse-button", container);
  browse && (browse.style.marginLeft = ".5em")
         && insertBefore(flattrButton(url, "Flattr this commit!", "browse-button"),
                         browse.nextSibling,
                         browse.parentNode);

  function $(aSelector, aNode) {
    return (aNode ? aNode : document).querySelector(aSelector);
  }

  function insertBefore(aNode, aSibling, aParent) {
    return aParent.insertBefore(aNode, aSibling);
  }

  function getCSSPrefix() {
    var ua = navigator.userAgent;
    if (/Firefox/.test(ua)) return "-moz-";
    if (/Opera/.test(ua)) return "-o-";
    if (/AppleWebKit/.test(ua)) return "-webkit-";
  }

  // Flattr button
  function flattrButton(aURL, aTitle, aClassName) {
    var link = document.createElement("a");
    link.href = "https://flattr.com/submit/auto?url="
              + encodeURIComponent(aURL);
    link.title = aTitle ? aTitle : "";
    link.className = aClassName ? aClassName : "";
    link.target = "_blank";
    link.setAttribute("data-flattr-uid", "flattr");
    link.setAttribute("data-flattr-category", "software");
    link.setAttribute("data-flattr-tags", "software, github, opensource");
    link.innerHTML = '<img src="'
                     + 'https://api.flattr.com/button/flattr-badge-small.png"'
                     + ' alt="Flattr!" style="width: 12px; height: 12px;'
                     + ' vertical-align: -1px; margin-right: .5em; "/>Flattr!';
    return link;
  }
})()