Github助手

添加Github文件下载、复制按钮、图片点击放大(右击恢复)、issues中只查看用户相关态度的内容、issues列表项从新标签页打开

当前为 2018-10-08 提交的版本,查看 最新版本

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。

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

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!)

// ==UserScript==
// @name         Github助手
// @namespace    https://github.com/yeomanye
// @version      0.7
// @description  添加Github文件下载、复制按钮、图片点击放大(右击恢复)、issues中只查看用户相关态度的内容、issues列表项从新标签页打开
// @require      https://greasyfork.org/scripts/34143-debug/code/debug.js?version=246342
// @require      https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js
// @require      https://cdn.bootcss.com/jquery/2.1.4/jquery.min.js
// @require      https://cdn.bootcss.com/jquery.pjax/1.1.0/jquery.pjax.min.js
// @require https://greasyfork.org/scripts/53536-ui/code/UI.js?version=281393
// @author       Ming Ye
// @match        https://github.com
// @include      https://github.com/*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    myDebugger.debugD = false;
    var log = myDebugger.consoleFactory("github-btn","log",null);
    var debugTrue = myDebugger.debugTrue;  
    var href = location.href;
    /**
     * 初始化函数
     * @return {[type]} [description]
     */
    function init(){
        createDownLink();
        createCopyLink();
        bindImgClick();
        createFilterPanel();
        openIssueFromNew();
    }
    /**
     * 创建下载链接
     * @return {[type]} [description]
     */
    function createDownLink(){
        //如果不是repository页面则直接返回
        var $files = $('.octicon.octicon-file');
        if($files.length === 0) return;
        var mouseOverHandler = function(evt){
        // debugTrue();
        var elem = evt.currentTarget,
            aElm = elem.querySelector('.fileDownLink');
        aElm.style.visibility = 'visible';
        };

        var mouseOutHandler = function(evt){
            // debugTrue();
            var elem = evt.currentTarget,
                aElm = elem.querySelector('.fileDownLink');
            aElm.style.visibility = 'hidden';
        };

        var linkClick = function(evt){
            var elem = evt.currentTarget;
            var $link = $('<a></a>');
            $link.attr('href',elem.getAttribute('download-url'));
            $link.attr('download',elem.getAttribute('filename'));
            $link.get(0).click();
        };
        
        
        // debugTrue();
        var origin = location.origin,
            href = location.href,
            path = href.replace(origin,'');
        if(path.indexOf('tree')<0)
            path += '/tree/master/';
        path = path.replace('tree','raw');
        $files.each(function(i,fileElm){
            var trElm = fileElm.parentNode.parentNode,
                cntElm = trElm.querySelector('.content'),
                cntA = cntElm.querySelector('a'),
                fileName = cntA.innerText,
                $a = $('<a></a>');
            $a.text('下载');
            $a.attr({class:'fileDownLink','download-url':path+'/'+fileName,'filename':fileName});
            $a.css({cursor:'pointer',visibility:'hidden'});
            cntElm.appendChild($a.get(0));
            log.logObj('tr',trElm);
            trElm.onmouseover=mouseOverHandler;
            trElm.onmouseout=mouseOutHandler;
            $a.on('click',linkClick);
        });
    }
    /**
     * issues页面从新标签打开
     * @return {[type]} [description]
     */
    function openIssueFromNew(){
        var tmpArr = href.split('/');
        if(tmpArr[tmpArr.length - 1].indexOf('issues') < 0) return;
        $('.issues-listing .js-navigation-container a').on('click',function(e){
            e.preventDefault();
            e.stopPropagation();
            log('this',this);
            window.open(this.href);
        });
    }
    /**
     * 创建复制链接
     * @return {[type]} [description]
     */
    function createCopyLink(){
        //如果不是具体的文件页面则直接返回
        var $btnGroup = $('.file-actions .BtnGroup');
        if($btnGroup.length == 0)return;

        var tmpArr = location.href.split('/');
        tmpArr = tmpArr[tmpArr.length-1].split('.');//获取扩展名
        var excludeExts = ['jpg','md','markdown','MD','png'];
        if(tmpArr.length > 1 && excludeExts.indexOf(tmpArr[1]) >= 0) return;
        var $a = $('<a></a>');
        $a.attr({href:'#',class:'btn btn-sm BtnGroup-item copyButton'});
        $a.html('Copy');
        $btnGroup.append($a);
        var addClickHandler = function(){
            timeout = null;
            var $codes = $('.js-file-line-container .js-file-line'),
                text = '';
            $codes.each(function(index,code){
                log.logObj('code',code);
                text += code.innerText;
                if(code.innerText.indexOf('\n')<0) text += '\n';
            });
            $a.attr('data-clipboard-text',text);
            $a.on('click',function(){
                showTips('Copy Success');
            });
            new Clipboard('.copyButton');
            log.logObj('text',text);     
        };
        $a.one('click',function(evt){
            if(timeout){
                clearTimeout(timeout);                
                addClickHandler();
            }
            $a.click();
        });
        var timeout = setTimeout(addClickHandler,1000);
    }
    /**
     * 点击图片处理函数
     * @return {[type]} [description]
     */
    function bindImgClick(){
        var $imgs = $('article img');
        var srcArr = [];
        var newImg = null;
        var $modal = null;
        var width = $(window).width(),height = $(window).height();
        //如果是issues页面,则改变img集合
        var tmpArr = href.split('/');
        if(tmpArr[tmpArr.length - 2].indexOf('issues')>=0){
            $imgs = $('#show_issue .comment img');
        }
        var newImgOnload = function(){
            var imgWidth = newImg.width,imgHeight = newImg.height;
            if(imgWidth > width || imgHeight > height)
            if(height > width){
                newImg.width = width;
            }else{
                newImg.height = height;
            }
            newImg.style.marginLeft = (width - newImg.width)/2 + 'px';
            newImg.style.marginTop = (height - newImg.height)/2 + 'px';
        };
        var initModal = function(){
            $modal = $('<div></div>');
            newImg = new Image();
            $modal.css({position:'fixed',width:width+'px',height:height+'px','background-color':'rgba(0,0,0,0.5)',top:0,left:0,'z-index':-1,'padding-top':0,'padding-left':'auto',visibility:'hidden'});
            $modal.append(newImg);
            $('body').append($modal);
            $modal.on('contextmenu',function(e){
                $modal.css({'z-index':-1,'visibility':'hidden'});
                return false;
            });
            $modal.on('click',function(e){
                var mouseX = e.originalEvent.x || e.originalEvent.layerX || 0;
                log.logObj('mouseX',mouseX);
                var oldSrc = newImg.src;
                var index = srcArr.indexOf(oldSrc);
                if(mouseX > width/2) {
                    //当前src在数组中的位置
                    index = ++index >= srcArr.length ? 0 : index;
                    newImg.src = srcArr[index];
                }else{
                    index = --index < 0 ? srcArr.length - 1 : index;
                    newImg.src = srcArr[index];
                }
                newImg.onload = newImgOnload;
            });
        };
        var imgClickHandler = function(e){
            log('imgClickHandler');
            if(!$modal) initModal();
            $modal.css({visibility:'visible','z-index':999});
            var oldImg = e.currentTarget;
            newImg.src = oldImg.src;
            //计算宽高
            newImg.onload = newImgOnload;
        };
        $imgs.each(function(i,img){
            var aElm = img.parentNode;
            aElm.removeAttribute('href');
            var $img = $(img);
            $img.css('cursor','pointer').on('click',imgClickHandler);
            srcArr.push(img.src);
        });
    }
    /**
     * 在Issue页面生成过滤面板
     * @return {[type]} [description]
     */
    function createFilterPanel(){
        //如果不是具体issus页面,则直接退出函数
        var tmpArr = href.split('/');
        if(tmpArr[tmpArr.length - 2].indexOf('issues')<0)return;

        var $panel = $('.add-reactions-options.mx-1.mb-1').eq(0).clone(true);
        $('.discussion-sidebar-item.sidebar-assignee.js-discussion-sidebar-item').prepend($panel);
        var $cancelBtn = $('<button></button>').text('X');
        $cancelBtn.get(0).className = 'btn-link add-reactions-options-item js-reaction-option-item cancel-filter-btn';
        $panel.append($cancelBtn);
        var $btns = $panel.find('button');
        var filterHandler = function(evt){
            var btn = evt.currentTarget;
            var val = btn.value;
            var className = btn.className;
            log('value',val);
            var $comments = $('.timeline-comment-wrapper.js-comment-container');
            var authors = [];
            //显示全部
            if(className.indexOf('cancel-filter-btn')>=0){
                $comments.each(function(index,comment){
                    $comments.eq(index).css('display','block');
                });
                return;
            }
            //替换特殊情况
            val.replace('LAUGH unreact','LAUGH react');
            $comments.each(function(index,comment){
                var $comment = $comments.eq(index);
                var $sumBtns = $comment.find('.btn-link.reaction-summary-item');
                $sumBtns.each(function(i,btn){
                    if(btn.value === val){
                        authors.push($comment.find('a.author').text());
                    }
                });
            });
            $comments.each(function(index,comment){
                var $comment = $comments.eq(index);
                var authorName = $comment.find('a.author').text();
                if(authors.indexOf(authorName)<0){
                    $comment.css('display','none');
                }else{
                    $comment.css('display','block');
                }
            });
            $comments.eq(0).css('display','block');
        };
        $btns.each(function(index,elem){
            elem.addEventListener('click',filterHandler);
        });
    }
    init();
    $(document).on('pjax:success',function(evt){
        log('pjax:success');
        init();
    });
})();