mylomen-server/static/js/event/impl/ApplyStyleEventImpl.js
shaoyongjun f43a7236d3 to:sync
2024-11-06 19:32:50 +08:00

210 lines
8.8 KiB
JavaScript

"use strict";
/**
* 使用样式事件
*/
define(function (require, exports, module) {
function handle(event) {
let utils = require("../../common/utils");
let curS = utils.GetSelection();
let curRange = curS.getRangeAt(0); //只考虑一个选区场景
let copyRange = curRange.cloneRange();
let curNode = utils.GetEventTarget(event);
//只处理选择的是一个范围。
if (curS.type !== "Range") {
return;
}
//选区信息
console.dir(curS)
console.dir(curRange)
//获取样式
let styleK = curNode.getAttribute("data-k");
let styleV = curNode.getAttribute("data-v");
if (styleK === undefined || styleK === null) {
styleK = curNode.closest("span").getAttribute("data-k");
styleV = curNode.closest("span").getAttribute("data-v");
// console.log("closest: ", curNode, curNode.closest("span"))
}
console.log("styleK: ", styleK, " styleV: ", styleV);
//获取开始结束的区域
let curStartContainerEle = curRange.startContainer;
let curEndContainerEle = curRange.endContainer;
let taskMap = new Map;
let start = curRange.startOffset;
let end = curRange.endOffset;
if (start > end) {
let tmpS = start;
start = end;
end = tmpS;
}
//处理选区数量
let pStart = getSpanContentOfP(curStartContainerEle);
let pEnd = getSpanContentOfP(curEndContainerEle);
console.dir(curStartContainerEle)
console.dir(curEndContainerEle)
console.dir(pStart)
console.dir(pEnd)
if (pStart.getAttribute("id") === pEnd.getAttribute("id")) {
taskMap.set(pStart.getAttribute("id"), pStart)
} else {
//修正顺序
let tmp = pStart;
if (parseInt(pStart.getAttribute("data-order")) > parseInt(pEnd.getAttribute("data-order"))) {
pStart = pEnd;
pEnd = tmp;
}
//fill p
let nextTask = pStart;
taskMap.set(nextTask.getAttribute("id"), nextTask)
while (true) {
nextTask = nextTask.nextSibling;
taskMap.set(nextTask.getAttribute("id"), nextTask)
if (nextTask.getAttribute("id") === pEnd.getAttribute("id")) {
break
}
console.dir(nextTask)
}
}
//选择单行还是多行
let multiply = taskMap.size > 1;
//遍历设置样式
console.dir(taskMap)
for (let [key, curP] of taskMap) {
let curSpanContent = curP.querySelector("span[data-flag='span_content']");
console.log("curP : ", curP, "\n", "\nkey:", key, "\ncurSpanContent: ", curSpanContent);
if (curSpanContent.childNodes === undefined || curSpanContent.childNodes === null || curSpanContent.childNodes.length <= 0) {
continue
}
let firstItem = curSpanContent.childNodes[0];
let isEmptyStyle =/* curSpanContent.childNodes.length === 1 &&*/ firstItem.nodeName === "#text" ;/*&& firstItem.nodeType === 3*/
console.log("curSpanContent : ", curSpanContent, curSpanContent.childNodes.length, firstItem.nodeName, firstItem.nodeType, isEmptyStyle);
if (isEmptyStyle) {
let copySpan = curSpanContent.cloneNode();
copySpan.innerHTML = "";
for (let j = 0; j < curSpanContent.innerText.length; j++) {
if (!multiply) { //单选
if (j >= start && j < end) {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
applySpanStyleKV(tmpSpan, styleK, styleV);
copySpan.append(tmpSpan);
} else {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
copySpan.append(tmpSpan);
}
} else { //多选
if (curP.getAttribute("id") === pStart.getAttribute("id")) { //首行
if (j >= start) {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
applySpanStyleKV(tmpSpan, styleK, styleV);
copySpan.append(tmpSpan);
} else {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
copySpan.append(tmpSpan);
}
} else if (curP.getAttribute("id") === pEnd.getAttribute("id")) { //尾行
if (j < end) {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
applySpanStyleKV(tmpSpan, styleK, styleV);
copySpan.append(tmpSpan);
} else {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
copySpan.append(tmpSpan);
}
} else {
let tmpSpan = document.createElement("span");
tmpSpan.innerText = curSpanContent.innerText.charAt(j);
applySpanStyleKV(tmpSpan, styleK, styleV);
copySpan.append(tmpSpan);
}
}
}
curSpanContent.innerHTML = copySpan.innerHTML;
} else {
let total = 0, effectNum = 0;
for (let j = 0; j < curSpanContent.childNodes.length; j++) {
let tmpSpan = curSpanContent.childNodes[j];
if (curS.containsNode(tmpSpan, true)) {
total++;
if (spanContainsStyleKV(tmpSpan, styleK, styleV)) {
console.dir(tmpSpan);
} else {
effectNum++;
applySpanStyleKV(tmpSpan, styleK, styleV);
}
}
}
//如果没有设置任何一个 则取消
if (effectNum === 0) {
for (let j = 0; j < curSpanContent.childNodes.length; j++) {
let tmpSpan = curSpanContent.childNodes[j];
if (curS.containsNode(tmpSpan, true)) {
removeSpanStyleKV(tmpSpan, styleK, styleV);
}
}
}
}
}
//光标保持
curS.removeAllRanges();
let newR = document.createRange();
newR.setStart(copyRange.startContainer, start);
newR.setEnd(copyRange.endContainer, end);
curS.addRange(newR);
}
function removeSpanStyleKV(span, styleK, styleV) {
let kList = styleK.toString().split(",");
let vList = styleV.toString().split(",");
for (let i = 0; i < kList.length; i++) {
if (span.style.getPropertyValue(kList[0]) === vList[0]) {
span.style.removeProperty(kList[0]);
}
}
}
function spanContainsStyleKV(span, styleK, styleV) {
let kList = styleK.toString().split(",");
let vList = styleV.toString().split(",");
let total = kList.length, match = 0;
for (let i = 0; i < kList.length; i++) {
if (span.style.getPropertyValue(kList[0]) === vList[0]) {
match++;
}
}
return total === match;
}
function applySpanStyleKV(span, styleK, styleV) {
let kList = styleK.toString().split(",");
let vList = styleV.toString().split(",");
for (let i = 0; i < kList.length; i++) {
span.style.setProperty(kList[i], vList[i]);
}
}
function getSpanContentOfP(item) {
let tmp = item;
if (item.nodeName !== "SPAN" || item.getAttribute("data-flag") !== "span_content") {
tmp = item.parentElement.closest("span[data-flag='span_content']");
}
return tmp.parentNode;
}
//导出
exports.handle = handle;
});