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双击选中高亮 或者 普通选中后按G高亮
当前为
// ==UserScript==
// @name AC-双击选中高亮
// @icon https://coding.net/u/zb227/p/zbImg/git/raw/master/img0/icon.jpg
// @namespace ntaow.com
// @version 2.1
// @include *
// @copyright 2017, AC
// @description 双击选中高亮 或者 普通选中后按G高亮
// @note 2017.12.06-V2.1 修复一个小bug，导致abc_def高亮出问题，同时优化了以前的移除规则，避免了对原始html的影响-待测试
// @note 2017.11.03-V1.2 修复双击触发的问题以及选中文字的问题
// @note 2017.09.06-V1.1 第一版本
// @grant none
// ==/UserScript==
document.addEventListener('dblclick', DoHighLight, false);
document.addEventListener('mouseup', DoHighLight, false);
document.addEventListener('keyup', DoHighLight, false);
var isDBClickOn = true;
var enableCharCode = 'G';
var keySets = new Object();
var counter = 0;
function DoHighLight(e) {
var target = e.target;
var selectedText = getSelectedText(target);
var s_dblclick = (e.type === 'dblclick')&&isDBClickOn; // 是双击选中
var s_keyup = (e.type === 'keyup') && (enableCharCode.charCodeAt(0)==e.keyCode);// 是按下特殊按键
if (selectedText && getBLen(selectedText) >= 3) {
if (s_keyup){
doHighLight(selectedText);
}else if (s_dblclick) {
doHighLight(selectedText);
}
}
}
function doHighLight(selectedText) {
unHighLightAll_Text();
console.log("双击:" + selectedText);
initKeySets(selectedText);
console.log(keySets.keywords);
doHighLightAll_CSS();
doHighLightAll_Text();
}
function getSelectedText(target) {
function getTextSelection() {
var selectedText = '';
if (target.getAttribute("type")) {
if (target.getAttribute("type").toLowerCase() === "checkbox") return '';
}
var value = target.value;
if (value) {
var startPos = target.selectionStart;
var endPos = target.selectionEnd;
if (!isNaN(startPos) && !isNaN(endPos)) selectedText = value.substring(startPos, endPos);
return selectedText;
} else return '';
}
var selectedText = window.getSelection().toString();
if (!selectedText) selectedText = getTextSelection();
console.log(selectedText);
return selectedText;
}
function getBLen(str) {
if (str == null) return 0;
if (typeof str != "string"){
str += "";
}
return str.replace(/[^\x00-\xff]/g,"01").length;
}
// 初始化点击的文字信息
function initKeySets(selection){
// 1.split通过特殊字符和字符边界分割串，2.通过特定字符连接原始串，3.1移除多次重复的特定串，避免空串 3.2移除开头或者结尾的特定串，避免分割后出现空白数据，4.按特定串分割
keySets.keywords = selection
.split(/\b|[\uFF00-\uFFFF\u3000-\u303F]/g)
.join('ACsCA')
.replace(/[^\u4E00-\u9FA5|0-9|a-z|A-Z_]+/g, "")
.replace(/(ACsCA){2}/g, "ACsCA")
.replace(/(^ACsCA|ACsCA$)/g, "")
.split("ACsCA");
keySets.length = keySets.keywords.length;
keySets.textcolor = new Array();
keySets.backcolor = new Array();
keySets.visible = new Array();
for(var i=0; i < keySets.keywords.length; i++){
keySets.textcolor[i] = "rgb(0,0,0)";
keySets.backcolor[i] = "rgb(255,255,128)";
keySets.visible[i] = "true";
}
}
function doHighLightAll_CSS(){ // 顶部的那一堆数组
if (keySets.visible[0] == "true"){
var rule = ".acWHSet{display:inline!important;";
if (keySets.textcolor.length > 0) rule += "color:"+keySets.textcolor[0]+";";
if (keySets.backcolor.length > 0) rule += "background-color:"+keySets.backcolor[0]+";";
rule += "font-weight:inherit;}";
var setrule = document.querySelector('style[hlset="acWHSet"]');
if (!setrule){
var s = document.createElement("style");
s.type = "text/css";
s.setAttribute("hlset", "acWHSet");
s.appendChild(document.createTextNode(rule));
document.body.appendChild(s);
} else {
setrule.innerHTML = rule;
}
}
}
function doHighLightAll_Text(){
if(keySets.keywords.length == 0) return;
var patExp = "(";
for(var index=0; index<keySets.keywords.length-1; index++) {
// if(keySets.keywords)
patExp += keySets.keywords[index]+"|";
}
patExp += keySets.keywords[index]+")";
var pat = new RegExp(patExp, "gi");
var span = document.createElement('thdfrag');
span.setAttribute("thdcontain","true");
var snapElements = document.evaluate(
'.//text()[normalize-space() != "" ' +
'and not(ancestor::style) ' +
'and not(ancestor::script) ' +
'and not(ancestor::textarea) ' +
'and not(ancestor::div[@id="thdtopbar"]) ' +
'and not(ancestor::div[@id="kwhiedit"]) ' +
'and not(parent::thdfrag[@txhidy15])]',
document.body, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
if (!snapElements.snapshotItem(0)) { return; }
for (var i = 0, len = snapElements.snapshotLength; i < len; i++) {
var node = snapElements.snapshotItem(i);
if (pat.test(node.nodeValue)) {
var sp = span.cloneNode(true);
sp.innerHTML = node.nodeValue.replace(/</g, '<').replace(/>/g, '>').replace(pat, '<thdfrag class="THmo acWHSet" txhidy15="acWHSet">$1</thdfrag>');
node.parentNode.replaceChild(sp, node);
// try to un-nest containers
if (sp.parentNode.hasAttribute("thdcontain")) sp.outerHTML = sp.innerHTML;
}
}
}
function unHighLightAll_Text(){
var tgts = document.querySelectorAll('thdfrag[txhidy15="acWHSet"]');
for (var i=0; i<tgts.length; i++){
var parnode = tgts[i].parentNode, parpar = parnode.parentNode, tgtspan;
if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgts[i].outerHTML){
parnode.outerHTML = tgts[i].textContent.replace(/</g, '<').replace(/>/g, '>');
tgtspan = parpar;
} else {
tgts[i].outerHTML = tgts[i].textContent.replace(/</g, '<').replace(/>/g, '>');
tgtspan = parnode;
}
tgtspan.normalize(); // 不影响显示，但是影响html内部文字排版---》new 不影响html结果了
if (tgtspan.hasAttribute("thdcontain")){
parnode = tgtspan.parentNode;
if (parnode){
if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0){
parnode.outerHTML = tgtspan.innerHTML;
} else if (parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0) {
parnode.innerHTML = tgtspan.innerHTML;
}
}
}
}
var oldTgs = document.querySelectorAll("thdfrag[thdcontain='true']");
counter = 0;
for(var i=0; i < oldTgs.length; i++){
var curTg = oldTgs[i];
markChildandRemove(curTg);
}
console.log("次数是："+counter);
}
function markChildandRemove(node){
try{
if(node.tagName.toLowerCase() == "thdfrag"){
console.log("this?"+node.innerHTML);
node.outerHTML = node.innerHTML;
}
var childList = node.childNodes;
for(var i=0; i < childList.length; i++){
counter++;
console.log(node.tagName+'--prein');
var node = childList[i];
console.log(node.tagName+'--in');
markChildandRemove(node);
console.log(node.tagName+'--out');
if(node.tagName.toLowerCase() == "thdfrag"){
console.log("this?"+node.innerHTML);
node.outerHTML = node.innerHTML;
}
}
}catch (e){}
}