97 lines
3.8 KiB
JavaScript
97 lines
3.8 KiB
JavaScript
let isHighlight = true;
|
|
|
|
function cancelBtnHandler() {
|
|
cancel_highLight();
|
|
document.getElementById("text-content").removeEventListener("click", fillInWord, false);
|
|
document.getElementById("text-content").removeEventListener("touchstart", fillInWord, false);
|
|
document.getElementById("text-content").addEventListener("click", fillInWord2, false);
|
|
document.getElementById("text-content").addEventListener("touchstart", fillInWord2, false);
|
|
}
|
|
|
|
function showBtnHandler() {
|
|
document.getElementById("text-content").removeEventListener("click", fillInWord2, false);
|
|
document.getElementById("text-content").removeEventListener("touchstart", fillInWord2, false);
|
|
document.getElementById("text-content").addEventListener("click", fillInWord, false);
|
|
document.getElementById("text-content").addEventListener("touchstart", fillInWord, false);
|
|
highLight();
|
|
}
|
|
|
|
function getWord() {
|
|
return window.getSelection ? window.getSelection() : document.selection.createRange().text;
|
|
}
|
|
|
|
function highLight() {
|
|
if (!isHighlight) return;
|
|
let txt = document.getElementById("article").innerText;
|
|
let sel_word1 = document.getElementById("selected-words");
|
|
let sel_word2 = document.getElementById("selected-words2");
|
|
if (sel_word1 != null) {
|
|
const list = sel_word1.value.split(" ");
|
|
for (let i = 0; i < list.length; ++i) {
|
|
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); //消除字符串两边空字符
|
|
if (list[i] !== "" && "<mark>".indexOf(list[i]) === -1 && "</mark>".indexOf(list[i]) === -1) {
|
|
//将正则表达式进行修改 表示搜索的是两端带有空格的list[i] 那么搜索的便为一个完整单词 然后在mark标签的前后各加了一个空格对其进行替换
|
|
txt = txt.replace(new RegExp("\\s"+list[i]+"\\s", "g"), " <mark>" + list[i] + "</mark> ");
|
|
}
|
|
}
|
|
}
|
|
if (sel_word2 != null) {
|
|
const list2 = sel_word2.value.split(" ");
|
|
for (let i = 0; i < list2.length; ++i) {
|
|
list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
|
|
if (list2[i] !== "" && "<mark>".indexOf(list2[i]) === -1 && "</mark>".indexOf(list2[i]) === -1) {
|
|
//将正则表达式进行修改 表示搜索的是两端带有空格的list2[i] 那么搜索的便为一个完整单词 然后在mark标签的前后各加了一个空格对其进行替换
|
|
txt = txt.replace(new RegExp("\\s"+list2[i]+"\\s", "g"), " <mark>" + list2[i] + "</mark> ");
|
|
}
|
|
}
|
|
}
|
|
document.getElementById("article").innerHTML = txt;
|
|
}
|
|
|
|
function cancel_highLight() {
|
|
const list = sel_word1.value.split(" ");
|
|
let txt = document.getElementById("article").innerText;
|
|
let sel_word1 = document.getElementById("selected-words");
|
|
const sel_word2 = document.getElementById("selected-words2");
|
|
if (sel_word1 != null) {
|
|
for (let i = 0; i < list.length; ++i) {
|
|
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, "");
|
|
if (list[i] !== "") {
|
|
txt = txt.replace("<mark>" + list[i] + "</mark>", "list[i]");
|
|
}
|
|
}
|
|
}
|
|
if (sel_word2 != null) {
|
|
let list2 = sel_word1.value.split(" ");
|
|
for (let i = 0; i < list2.length; ++i) {
|
|
list2 = sel_word2.value.split(" ");
|
|
list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
|
|
if (list2[i] !== "") {
|
|
txt = txt.replace("<mark>" + list[i] + "</mark>", "list[i]");
|
|
}
|
|
}
|
|
}
|
|
document.getElementById("article").innerHTML = txt;
|
|
}
|
|
|
|
function fillInWord() {
|
|
highLight();
|
|
}
|
|
|
|
function fillInWord2() {
|
|
cancel_highLight();
|
|
}
|
|
|
|
function ChangeHighlight() {
|
|
if (isHighlight) {
|
|
isHighlight = false;
|
|
cancel_highLight();
|
|
} else {
|
|
isHighlight = true;
|
|
highLight();
|
|
|
|
}
|
|
}
|
|
|
|
showBtnHandler();
|