V2EX_Reply

显示被@的用户本楼发言记录。
换行
// ==UserScript==
// @id             caoyue@v2ex
// @name           V2EX_Reply
// @version        1.6.2
// @namespace   49b569dc5aaa522ad7e0e617b7cc5d44
// @author         caoyue
// @description    显示被@的用户本楼发言记录。
// @match        https://*.v2ex.com/t/*
// @match        https://v2ex.com/t/*
// ==/UserScript==

// Author: caoyue
// Created: 2012-04-11
// Version: 1.6
// Updated: 2013-02-05


var REPLY_TYPE = 1;  //TODO:评论显示方式. 
var REPLY_COUNT = 2;  //只显示最靠近的两条评论
var MAX_LENGTH = 120; //引用评论超过长度则截断
var HIDE_TOPIC_CONTENT = true; //翻页后隐藏主题内容
var REDIRECT = 0; //

(function (){
    if(REDIRECT && location.host == "www.v2ex.com"){
        location.href = location.href.replace(/www./, ''); 
    }
})();

document.addEventListener('mouseover',function(e){
	var	link = e.target;
	if(link.nodeName.toLowerCase()=='a'){
		var authorLink = getAuthor(link);
		if (authorLink.innerHTML != undefined) {
			var originID = authorLink.parentNode.parentNode.getElementsByClassName("no")[0].innerHTML;
			var authorName = authorLink.innerHTML;

			var contentArray = getContent(originID,authorName);
			var content = "<strong>" + authorName + ":</strong><br />";

			if (contentArray.length > REPLY_COUNT) {
				for (var i = 0; i < REPLY_COUNT; i ++ ) {
					content = content + "<p style='padding-bottom:5px;border-bottom:1px solid rgb(226, 226, 226);'>" + contentArray[contentArray.length - REPLY_COUNT + i] + "</p>";
				}
			}
			else{
				for (var x in contentArray){
					content = content + "<p style='padding-bottom:5px;border-bottom:1px solid rgb(226, 226, 226);'>" + contentArray[x] + "</p>";
				}
			}

			var layer = creatDiv(content);
			layer.style.display = 'block';
			layer.style.left = e.pageX - 60 + "px";
			layer.style.top = e.pageY - layer.offsetHeight - 15 + "px";
		}
	}
});

document.addEventListener('mouseout',function(e){
	if (document.getElementById("ReplyToolTip") != null) {
		document.getElementById("ReplyToolTip").style.display = "none";
	}
});


function getAuthor(link){	
	var authorLink = "none";
	var rex = /\/member\//;
	if (rex.test(link) && link.className != "dark") {
		authorLink = link;
	}
	return authorLink;
}

function getContent(originID,authorName){
	var contentArray = new Array(),x;
	var replys = document.getElementById("Main").getElementsByClassName("reply_content");
	for (x in replys) {
		var reply = replys[x];
		if (reply.parentNode != undefined) {
			var replyID = reply.parentNode.getElementsByClassName("no")[0].innerHTML;
			//GM_log("replyID is " + replyID + " and originID is " + originID);
			var replyAuthor = reply.parentNode.getElementsByClassName("dark")[0].innerHTML;	
			if (parseInt(replyID) < parseInt(originID) && replyAuthor == authorName) {
				if (reply.innerHTML != "") {
				    if (reply.innerHTML.length > MAX_LENGTH) {
				       contentArray.push(reply.innerHTML.substring(0,MAX_LENGTH) + "<br /><span style='color:gray;'> ……</span>" );         
				    }
				    else
					   contentArray.push(reply.innerHTML);
				}
			}
		}
	}
	return contentArray;
}

function creatDiv(content){
	var layer = document.getElementById("ReplyToolTip");
	if (layer != null) {
		layer.innerHTML = content;
	}
	else{
		layer = document.createElement("div");
		document.body.appendChild(layer);
		layer.setAttribute("id","ReplyToolTip");
		layer.setAttribute("style","font-size:14px;background-color:rgba(255,255,255,0.9);box-shadow:0 0 10px rgba(0, 0, 0, 0.8);max-width:550px;max-height:500px;padding:6px 10px;position:absolute;")
		layer.innerHTML = content;
	}
	return layer;
}

// 翻页后隐藏主题内容
if(HIDE_TOPIC_CONTENT && window.location.href.indexOf("?p=") >0 && window.location.href.indexOf("?p=1") == -1){
    document.getElementsByClassName("topic_content")[0].setAttribute("style","display:none;");
}
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