// ==UserScript==
// @name        CHH站内搜索
// @namespace   Violentmonkey Scripts
// @match       https://www.chiphell.com/*
// @grant       none
// @version     1.2
// @author      liansishen
// @description CHH更好的站内搜索
// @license           MPL-2.0
// ==/UserScript==
(function () {
'use strict';
var strMemo,strValue,localSearch;
//获取前一次选择的搜索方式
localSearch = localStorage.getItem('txtSearch');
//站内搜索部分
var form =  document.querySelector('#scbar > div:nth-child(2) > form');
//添加下拉框
var objSel = document.createElement("select");
objSel.id = "selSearch";
objSel.options.add(new Option("谷歌","google"));
objSel.options.add(new Option("百度","baidu"));
objSel.options.add(new Option("必应","bing"));
objSel.onchange = function() {
strMemo = " " + objSel.value + "站内搜索";
if (txtSearch.value == '' | txtSearch.value == " bing站内搜索" | txtSearch.value==" google站内搜索" |  txtSearch.value== " baidu站内搜索") {txtSearch.value=strMemo}
}
//form.prepend(objSel)
//搜索输入框显示内容修改
var txtSearch = document.getElementsByName('q')[0];
form.insertBefore(objSel,txtSearch);
strMemo = " " + localSearch + "站内搜索";
switch (localSearch) {
case 'google':
objSel.options[0].selected = true;
break;
case 'baidu':
objSel.options[1].selected = true;
break;
case 'bing':
objSel.options[2].selected = true;
break;
default:
objSel.options[0].selected = true;
break;
}
txtSearch.onfocus = function() {
if(txtSearch.value==strMemo) {
txtSearch.value='';
}
}
txtSearch.onblur = function() {
if (txtSearch.value=='') {
txtSearch.value=strMemo;
}
}
txtSearch.value=strMemo;
//替换原搜索按钮的事件
var button = document.getElementsByName('sa')[0]
button.onclick = function (){
strValue = txtSearch.value;
if (strValue == '' | strValue ==" google站内搜索" |  strValue == " baidu站内搜索"|txtSearch.value == " bing站内搜索") {return false;}
localStorage.setItem('txtSearch',objSel.value)
switch (objSel.value) {
case 'google':
window.open('https://www.google.com/search?hl=zh-CN&client=opera&q=site:' + encodeURIComponent(location.hostname) +' ' + encodeURIComponent(strValue),'','');
break;
case 'baidu':
window.open('https://www.baidu.com/s?wd= site:' + encodeURIComponent(location.hostname) + ' ' + encodeURIComponent(strValue),'','');
break;
case 'bing':
window.open('https://cn.bing.com/search?q=site:' + encodeURIComponent(location.hostname) + ' ' + encodeURIComponent(strValue),'','');
break;
default:
window.open('https://www.google.com/search?hl=zh-CN&client=opera&q=site:' + encodeURIComponent(location.hostname) +' ' + encodeURIComponent(strValue),'','');
break;
}
return false;
};
})();