// ==UserScript==
// @name         虎扑引用楼层内容过长自动折叠
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  虎扑引用楼层内容过长自动折叠，增加展开和收起按钮
// @author       zerozz
// @match        https://bbs.hupu.com/*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    function onClickExpand() {
        var ele = document.getElementById("expandBtn" + this.id.charAt(this.id.length - 1));
        if (this.innerText == "展开") {
            this.parentNode.previousElementSibling.style.maxHeight = "none";
            this.innerText = "收起";
        } else {
            this.parentNode.previousElementSibling.style.maxHeight = "100px";
            this.innerText = "展开";
        }
        //this.previousElementSibling.style.cssText='max-height: none; overflow: hidden; transition: max-height 2s ease 0s;';
        console.log(this);
        // this.parentNode.removeChild(this);
    }

    var bqEleArr = document.getElementsByTagName("blockquote") || [];
    var size = bqEleArr.length;
    for (var i = 0; i < size; i++) {
        var bqEle = bqEleArr[i];
        bqEle.style.cssText='max-height: 100px; overflow: hidden; transition: max-height 2s ease 0s;';

        var expandParentEle = document.createElement("div");
        expandParentEle.id = "expandParentEle" + i;
        expandParentEle.style.cssText = "text-align: center;padding: 10px;";

        var expandEle = document.createElement("span");
        expandEle.id = "expandBtn" + i;
        expandEle.style.cssText = "color:#108089;cursor: pointer;padding: 4px 7px;border-radius: 3px;border-width: 1px;border-style: solid;border-color: rgb(166, 166, 166);transition: all 0.1s ease 0s;";
        expandEle.innerText = "展开";
        expandEle.onclick = onClickExpand;
        expandParentEle.appendChild(expandEle);

        var parent = bqEle.parentNode;
        if (parent.lastChild == bqEle) {
            parent.appendChild(expandParentEle);
        } else {
            parent.insertBefore(expandParentEle, bqEle.nextSibling)
        }
    }



})();