forked from mrlan/EnglishPal
97 lines
3.4 KiB
JavaScript
97 lines
3.4 KiB
JavaScript
var isHighlight = true;
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function cancelBtnHandler() {
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cancel_highLight();
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document.getElementById("text-content").removeEventListener("click", fillinWord, false);
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document.getElementById("text-content").removeEventListener("touchstart", fillinWord, false);
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document.getElementById("text-content").addEventListener("click", fillinWord2, false);
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document.getElementById("text-content").addEventListener("touchstart", fillinWord2, false);
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}
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function showBtnHandler() {
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document.getElementById("text-content").removeEventListener("click", fillinWord2, false);
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document.getElementById("text-content").removeEventListener("touchstart", fillinWord2, false);
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document.getElementById("text-content").addEventListener("click", fillinWord, false);
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document.getElementById("text-content").addEventListener("touchstart", fillinWord, false);
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highLight();
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}
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function getWord() {
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var word = window.getSelection ? window.getSelection() : document.selection.createRange().text;
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return word;
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}
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function highLight() {
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if(!isHighlight) return;
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var txt = document.getElementById("article").innerText;
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var sel_word1 = document.getElementById("selected-words");
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var sel_word2 = document.getElementById("selected-words2");
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if (sel_word1 != null) {
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var list = sel_word1.value.split(" ");
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for (var i = 0; i < list.length; ++i) {
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list[i] = list[i].replace(/(^\s*)|(\s*$)/g, "");//消除字符串两边空字符
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if (list[i] != "" && "<mark>".indexOf(list[i]) == -1 && "</mark>".indexOf(list[i]) == -1) {
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txt = txt.replace(new RegExp("\\s"+list[i]+"\\s", "g"), " <mark>" + list[i] + "</mark> ");
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}
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}
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}
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if (sel_word2 != null) {
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var list2 = sel_word2.value.split(" ");
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for (var i = 0; i < list2.length; ++i) {
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list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
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if (list2[i] != "" && "<mark>".indexOf(list2[i]) == -1 && "</mark>".indexOf(list2[i]) == -1) {
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txt = txt.replace(new RegExp("\\s"+list2[i]+"\\s", "g"), " <mark>" + list2[i] + "</mark> ");
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}
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}
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}
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document.getElementById("article").innerHTML = txt;
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}
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function cancel_highLight() {
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var txt = document.getElementById("article").innerText;
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var sel_word1 = document.getElementById("selected-words");
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var sel_word2 = document.getElementById("selected-words2");
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if (sel_word1 != null) {
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var list = sel_word1.value.split(" ");
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for (var i = 0; i < list.length; ++i) {
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list[i] = list[i].replace(/(^\s*)|(\s*$)/g, "");
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if (list[i] != "") {
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txt = txt.replace("<mark>" + list[i] + "</mark>", "list[i]");
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}
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}
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}
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if (sel_word2 != null) {
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var list2 = sel_word1.value.split(" ");
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for (var i = 0; i < list2.length; ++i) {
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var list2 = sel_word2.value.split(" ");
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list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
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if (list2[i] != "") {
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txt = txt.replace("<mark>" + list[i] + "</mark>", "list[i]");
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}
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}
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}
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document.getElementById("article").innerHTML = txt;
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}
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function fillinWord() {
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highLight();
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}
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function fillinWord2() {
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cancel_highLight();
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}
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function ChangeHighlight() {
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if (isHighlight) {
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isHighlight = false;
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cancel_highLight();
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} else {
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isHighlight = true;
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highLight();
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}
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}
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showBtnHandler();
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