import {validatenull} from "@/util/validate";
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import {findArray} from "@/util/util";
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/**
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* 按钮的基础服务
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*/
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/**
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* 替换文本中的${xxx}
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* @param text 文本
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* @param dataStore 选择的数据
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* @param sourceData 来源数据
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* @returns 替换后的值,字符串
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*/
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export const replaceFreeMarker = (text,dataStore,sourceData) => {
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//替换表达式
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if (!sourceData) {
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sourceData = {};
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}
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if (!dataStore) {
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dataStore = [];
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}
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let replaceData = dataStore.length > 0 ? dataStore[0] : {};
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if (text && text.indexOf("${") > -1 && text.indexOf("}")) {
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//js只能使用${xxx}这种的方式
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let reg = "root.${";
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while (text.indexOf(reg) > -1) {
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let temp = text.substring(0, text.indexOf(reg));
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let field = text.substring(text.indexOf(reg) + reg.length, text.indexOf("}"));
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let end = text.substring(text.indexOf("}") + 1);
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field = replaceData[field] || sourceData[field] || '';
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text = temp + field + end;
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}
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reg = "sourceData.${";
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while (text.indexOf(reg) > -1) {
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let temp = text.substring(0, text.indexOf(reg));
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let field = text.substring(text.indexOf(reg) + reg.length, text.indexOf("}"));
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let end = text.substring(text.indexOf("}") + 1);
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field = replaceData[field] || sourceData[field] || '';
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text = temp + field + end;
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}
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reg = "${";
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while (text.indexOf(reg) > -1) {
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let temp = text.substring(0, text.indexOf(reg));
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let field = text.substring(text.indexOf(reg) + reg.length, text.indexOf("}"));
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let end = text.substring(text.indexOf("}") + 1);
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field = replaceData[field] || sourceData[field] || '';
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text = temp + field + end;
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}
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}
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return text;
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};
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/**
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* 参数转换为小写
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* @param paramsVOs 参数
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* @returns 小写后的参数对象
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*/
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export const paramLow = (paramsVOs) => {
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//
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if (!paramsVOs) {
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paramsVOs = {};
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}
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var params = {};
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for (var key in paramsVOs) {
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params[key.toLowerCase()] = paramsVOs[key];
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}
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return params;
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};
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/**
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* 执行前置事件
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* @param options 按钮的配置信息，前置事件里配置的参数会替换这个里的参数的信息
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* @param buttonTarget 按钮js所在的对象
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* @param callback 回调，如果存在前置事件，会在执行完成后执行回调，否则直接回调
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* @param preEventName 前置事件名称，默认beforeevent
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*/
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export const callPreEvent = (options,buttonTarget,callback,preEventName) => {
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const params = paramLow(options.paramVOS);
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options.paramVOS = params;
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let beforeEvent = params[preEventName || 'beforeevent'];
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if(beforeEvent) {
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let buttonParse = parseEventByUrl(beforeEvent,options,true);
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buttonParse.options.callback = callback;
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if(validatenull(buttonParse)){
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buttonTarget[buttonParse.methodName](buttonParse);
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}else{
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layui.use(buttonParse.jsPath,function () {
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layui[buttonParse.jsPath][buttonParse.methodName](options);
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});
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}
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}else{
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if(callback){
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callback(options);
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}
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}
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};
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/**
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* 执行后置时间
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* @param options 按钮的配置信息，后置事件里配置的参数会替换这个里的参数的信息
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* @param buttonTarget 按钮Js所在的对象
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*/
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export const callPostEvent = (options,buttonTarget,callback,postEventName)=>{
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const params = paramLow(options.paramVOS);
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options.paramVOS = params;
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var afterEvent = params[postEventName || 'afterevent'];
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if(afterEvent) {
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var buttonParse = parseEventByUrl(afterEvent,options,false);
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if(validatenull(buttonParse)){
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buttonTarget[buttonParse.methodName](buttonParse);
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}else{
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layui.use(buttonParse.jsPath,function () {
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layui[buttonParse.jsPath][buttonParse.methodName](options);
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});
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}
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}else{
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if(callback){
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callback(options);
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}
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}
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};
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/**
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* 使用url获取事件的信息
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* @param url 路径,格式如jsPath#methodName?param=aaa¶m1=bbb
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* @param options 按钮的配置信息，会自动覆盖相同属性的参数
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* @param isBefore 是否为前置事件，否则为后置
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* @returns {{jsPath: js的路径, options: 按钮的配置信息, methodName: (string)方法的名字}}
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*/
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export const parseEventByUrl = (url,options,isBefore) => {
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//根据配置格式化事件
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var jsPath = url;
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var methodName = isBefore?"doBefore":"doAfter";
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var params = {};
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if (url.indexOf("?")) {
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var temp = url.substring(0, url.indexOf("?"));
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if (temp.indexOf("#") > -1) {
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var array = temp.split("#");
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if(array.length == 1){
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jsPath = array[0];
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}else{
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jsPath = array[0];
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methodName = array[1];
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}
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}else{
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jsPath = temp;
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}
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var paramArray = url.substring(url.indexOf("?") + 1).split("&");
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layui.each(paramArray, function (_index, _item) {
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if (_item.indexOf("=") < 0) {
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this.$message.error(isBefore?"前置事件":"后置事件" + "的参数配置错误，需要要xxx=yyy&zzz=a的方式");
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return true;
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}
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params[_item.split("=")[0]] = _item.split("=")[1];
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});
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}else{
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if (url.indexOf("#") > -1) {
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var array = url.split("#");
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if(array.length == 1){
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jsPath = array[0];
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}else{
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jsPath = array[0];
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methodName = array[1];
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}
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}else{
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jsPath = url;
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}
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}
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for (var key in params) {
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options.paramVOS[key.toLowerCase()] = params[key];
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}
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return {
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jsPath:jsPath,
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methodName:methodName,
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options:options
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};
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};
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