165 lines
6.8 KiB
JavaScript
165 lines
6.8 KiB
JavaScript
"use strict";
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/**
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* 使用样式事件
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*/
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define(function (require, exports, module) {
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function handle(mutationList) {
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for (let mutation of mutationList) {
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switch (mutation.type) {
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case "childList":
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addNewP(mutation);
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break;
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case "characterData":
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updateText(mutation);
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break;
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case "attributes":
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//暂时忽略属性变化
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break
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default: {
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other(mutation);
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}
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}
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}
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}
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function other(mutation) {
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console.log("mutation : ", mutation,
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// 观察的变动类型（attributes、characterData或者childList）。
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"\ntype", mutation.type,
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//发生变动的DOM节点。
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"\ntarget", mutation.target,
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"\ntargetParent", mutation.target.parentElement, mutation.target.parentNode,
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//新增的DOM节点。
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"\naddedNodes", mutation.addedNodes,
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//删除的DOM节点。
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"\nremovedNodes", mutation.removedNodes,
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//前一个同级节点，如果没有则返回null。
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"\npreviousSibling", mutation.previousSibling,
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//下一个同级节点，如果没有则返回null。
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"\nnextSibling", mutation.nextSibling,
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//发生变动的属性。如果设置了attributeFilter，则只返回预先指定的属性。
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"\nattributeName", mutation.attributeName,
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//变动前的值。这个属性只对attribute和characterData变动有效，如果发生childList变动，则返回null。
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"\noldValue", mutation.oldValue);
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}
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function addNewP(mutation) {
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//div 下新增p元素
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let target = mutation.target;
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// target.clone()
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if (target.nodeName === "DIV" && mutation.previousSibling !== null) {
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let utils = require("../../common/utils");
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let ctx = require("../../common/ctx");
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if (ctx.getCurRowNo() <= 0) {
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return
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}
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let newParagraph = mutation.previousSibling.nextSibling;
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console.log(
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"addNewP target: ", target,
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"\nnodeType: ", target.nodeType,
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"\nnodeName: ", target.nodeName,
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"\ndata: ", target.value,
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"\n next: ", newParagraph,
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"\ncurRowNo: ", ctx.getCurRowNo()
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)
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if (newParagraph !== undefined && newParagraph !== null) {
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newParagraph.id = utils.Uuid(ctx.usn, ctx.docType);
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newParagraph.setAttribute("data-order", ctx.incrementNumThenReturn());
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// let newParagraph = document.getElementById(targetP.id);
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//前置 span
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let preSpan = newParagraph.querySelector("span[data-flag='span_pre']");
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if (preSpan === undefined || preSpan === null) {
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preSpan = document.createElement("span");
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preSpan.setAttribute("contenteditable", "false")
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preSpan.setAttribute("data-flag", "span_pre")
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// newParagraph.appendChild(preSpan);
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//添加到元素首位
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newParagraph.insertBefore(preSpan, newParagraph.firstChild);
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} else {
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console.log("newParagraph preSpan exist ", newParagraph, " ", preSpan)
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}
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//内置span
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let spanContent = newParagraph.querySelector("span[data-flag='span_content']");
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if (spanContent === undefined || spanContent === null) {
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spanContent = document.createElement("span");
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spanContent.append(document.createElement("br"));
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spanContent.setAttribute("data-flag", "span_content")
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newParagraph.appendChild(spanContent);
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} else {
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console.log("newParagraph preSpan spanContent ", newParagraph)
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}
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utils.GetSelection().setPosition(spanContent, 0);
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spanContent.focus();
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}
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}
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}
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function updateText(mutation) {
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let target = mutation.target;
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if (target.nodeType === 3 && target.nodeName === "#text") {
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// console.log(
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// "updateText target: ", target,
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// "\nnodeType: ", target.nodeType,
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// "\nnodeName: ", target.nodeName,
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// "\ndata: ", target.value,
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// "\nparentNode: ", target.parentNode,
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// "\nparentNode_parentNode: ", target.parentNode?.parentNode,
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// )
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let grandfatherElement = target.parentNode?.parentElement;
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if (grandfatherElement != null && grandfatherElement.getAttribute("data-flag") === "span_content") {
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let utils = require("../../common/utils");
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let ctx = require("../../common/ctx");
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//正在输入中文直接忽略
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if (ctx.Compositionstart) {
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return;
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}
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let select = utils.GetSelection();
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let selectRange = select.getRangeAt(0);
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if (select.isCollapsed) { //输入场景
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let tmpSpan = selectRange.startContainer.parentElement;
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console.log(utils.GetText(tmpSpan))
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let curTxt = utils.GetText(tmpSpan);
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if (curTxt.trim().length <= 1) {
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return
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}
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console.dir(select)
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console.dir(mutation)
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console.dir(grandfatherElement)
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console.dir(tmpSpan)
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console.log(tmpSpan)
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console.log(curTxt.split(''))
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let curTxtArr = curTxt.split('');
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//保留一个
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tmpSpan.innerText = curTxtArr[0];
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let lastSpan = tmpSpan;
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for (let i = 1; i < curTxtArr.length; i++) {
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let tmpSpan = document.createElement("span");
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tmpSpan.innerText = curTxtArr[i];
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utils.InsertAfter(lastSpan, tmpSpan);
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lastSpan = tmpSpan;
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}
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//选区调整
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console.log("lastSpan : ", lastSpan)
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utils.GetSelection().setPosition(lastSpan, 1);
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} else {
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console.log("TODO 暂时不支持")
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}
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} else {
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console.log("TODO 暂时不支持")
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}
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} else {
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other(mutation);
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}
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}
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//导出
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exports.handle = handle;
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}); |