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+import yzPage from './yzPage';
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+import yzToolbar from './yzToolbar'
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+import $ from 'jquery';
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+let pageManager = function (data, cfg) {
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+ // 所有页面的集合
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+ this.pages = [];
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+ // 当前页面对象
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+ this.currentPage = null;
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+ // 头部信息
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+ this.header = {
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+ layoutType: data.layoutType,
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+ noBoth: data.noBoth,
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+ noCount: data.noCount,
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+ noMode: data.noMode,
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+ paperSize: data.paperSize,
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+ title: data.title,
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+ height: 120
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+ };
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+ // 页面唯一id,自增
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+ this.pageIndex = 0;
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+
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+ // 最小高度为0,也就是客观题的高度
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+ this.minHeight = (cfg && cfg.minHeight) || 40;
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+ this.subjectInfo = {};
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+ // 初始化的试卷框的信息
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+ this.initData = this._initBorderData(data.scanPpStructQueModelList);
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+
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+
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+ // 所有dom的容器
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+ this.domId = ('lsiten_manager_'+Math.random()).replace('.','_');
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+ this.domBody = null;
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+
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+ // 顶部工具栏
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+ this.toolBar = new yzToolbar();
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+
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+};
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+
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+// 初始化框数据,循环所有吧小题,判断是否在客观题的框里
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+pageManager.prototype._initBorderData = function (data) {
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+ // 存储客观题区块index最大的index和该index下的小问个数
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+ let subjectBlock = {};
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+ let blockindex = 0;
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+ for(let index in data) {
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+ // 如果有inDetail,则是客观题
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+ let item = data[index];
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+ if (item.inDetail) {
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+ item.isSubject = false;
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+
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+ let subjectData = item.inDetail.split('-');
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+ item.blockindex = subjectData[0];
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+ item.blocknum = subjectData[1];
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+
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+ if(subjectBlock[item.rectNo]) {
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+ let block = subjectBlock[item.rectNo][blockindex];
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+ if (block.index !== item.blockindex) {
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+ if (item.blockindex % 3 === 1) {
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+ blockindex++;
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+ subjectBlock[item.rectNo][blockindex] = {
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+ index: item.blockindex,
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+ maxnum: item.blocknum,
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+ minHeight: this.minHeight
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+ }
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+ } else {
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+ block.index = item.blockindex;
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+ block.maxnum = block.maxnum > item.blocknum ? block.maxnum: item.blocknum;
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+ }
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+ }
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+
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+ } else {
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+ // 初始化block信息
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+ blockindex = 0;
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+ subjectBlock[item.rectNo] = {};
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+ subjectBlock[item.rectNo][blockindex] = {
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+ index: item.blockindex,
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+ maxnum: item.blocknum,
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+ minHeight: this.minHeight
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+ }
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+ }
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+
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+ } else {
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+ item.isSubject = true;
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+ }
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+ }
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+ let subjectBlockInfo = this.subjectInfo;
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+
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+ for (let key in subjectBlock) {
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+ if (!subjectBlockInfo[key]) {
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+ subjectBlockInfo[key] = {
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+ height: 0,
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+ rowDetail: JSON.parse(JSON.stringify(subjectBlock[key]))
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+ };
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+ for (let bkey in subjectBlock[key]) {
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+ subjectBlockInfo[key].height += (subjectBlock[key][bkey].maxnum * this.minHeight);
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+ subjectBlockInfo[key].index = subjectBlock[key][bkey].index;
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+ }
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+ }
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+ }
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+ return data;
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+}
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+
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+pageManager.prototype._addPage = function () {
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+ this.pageIndex++;
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+ let pageOptions = {
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+ hasHeader: false,
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+ maxHeight: 700
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+ };
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+
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+ // 判读该页面是否有头部框,如果noBoth为1
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+ if (this.header.layoutType) {
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+ pageOptions.hasHeader = parseInt(this.header.noBoth) === 1 ? this.pageIndex % parseInt(this.header.layoutType) === 1 : this.pageIndex === 1;
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+ } else {
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+ throw 'this Manager does not initiailize the data';
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+ }
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+ pageOptions.hasHeader && (pageOptions.header = this.header);
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+ let newPage = new yzPage(pageOptions);
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+ this.pages.push(newPage);
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+ this.currentPage = newPage;
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+}
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+/**
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+ * function 数据转换
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+ * author: lsiten
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+ * date: 2018-4-8
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+*/
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+pageManager.prototype.transformData = function () {
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+ // 第一步,以小题为唯一框合并数据
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+ let mergeData = this._mergeData();
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+ // 第二步,以page高为临界条件拆分框
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+ this._splitToPage(mergeData);
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+}
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+
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+/**
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+ * funtion 合并数据
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+ * 注意,数据跨栏不能间隔
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+ */
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+
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+pageManager.prototype._mergeData = function () {
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+ let data = this.initData;
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+ let length = data.length;
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+ let i = 1; // 计数
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+ let _height = -1;
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+ let _lastId = -1;
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+ let item = null;
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+ let mergeArr = [];
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+ let itemTemp = {
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+ height: -1,
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+ rectNo: -1,
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+ isSubject: true,
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+ cdelete: 0,
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+ minHeight: -1
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+ };
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+ for (let index in data) {
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+ item = data[index];
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+ item.minHeight = parseInt(item.minHeight) > 0 ? parseInt(item.minHeight): this.minHeight;
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+ if(-1 == itemTemp.rectNo) { //初始化
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+ itemTemp.rectNo = item.rectNo;
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+ if(!item.isSubject) {
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+ // 客观题泽重置为最小高度
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+ item.minHeight = this.minHeight;
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+ this.subjectInfo[item.rectNo] && (itemTemp.height = this.subjectInfo[item.rectNo].height, itemTemp.rowDetail = this.subjectInfo[item.rectNo].rowDetail);
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+ } else {
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+ itemTemp.height = item.minHeight;
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+ }
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+ itemTemp.border = item.border;
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+ itemTemp.isSubject = item.isSubject;
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+ itemTemp.questions = [item];
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+ } else {
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+ if(itemTemp.rectNo === item.rectNo) {
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+
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+ if (item.isSubject) {
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+ itemTemp.height += item.minHeight;
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+ // 如果有一个小题不是客观题,则该框就不是客观题框
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+ itemTemp.isSubject = true;
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+ delete itemTemp.rowDetail;
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+ itemTemp.questions.push(item);
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+ } else {
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+ // 客观题泽重置为最小高度
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+ item.minHeight = this.minHeight;
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+ itemTemp.questions.push(item);
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+ }
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+ } else {
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+ mergeArr.push(JSON.parse(JSON.stringify(itemTemp)));
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+
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+ if(!item.isSubject) {
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+ // 客观题泽重置为最小高度
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+ item.minHeight = this.minHeight;
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+ this.subjectInfo[item.rectNo] && (itemTemp.height = this.subjectInfo[item.rectNo].height, itemTemp.rowDetail = this.subjectInfo[item.rectNo].rowDetail)
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+ } else {
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+ itemTemp.height = item.minHeight;
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+ }
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+ itemTemp.rectNo = item.rectNo;
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+ itemTemp.border = item.border;
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+ itemTemp.isSubject = item.isSubject;
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+ itemTemp.questions = [item];
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+ }
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+
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+ if(i === (length-1)) { //保存最后一个
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+ mergeArr.push(JSON.parse(JSON.stringify(itemTemp)));
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+ }
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+ // 计数器
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+ i++;
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+ }
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+
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+
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+
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+ }
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+ return mergeArr;
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+}
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+
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+/**
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+ * function 根据page的临界条件去
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+ * @param mData [array] 合并后的数据
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+ */
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+pageManager.prototype._splitToPage = function (mData) {
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+ for (let i =0; i < mData.length; i++) {
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+ this._itemToPage(mData[i], 0);
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+ }
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+}
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+
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+/**
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+ * function 根据page的临界条件去
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+ * @param item [object] 合并后的数据
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+ */
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+pageManager.prototype._itemToPage = function (item) {
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+ !this.currentPage && this._addPage();
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+ let domOption = JSON.parse(JSON.stringify(item));
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+ if ( item.height > this.currentPage.gap) {
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+ let gap = this.currentPage.gap;
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+ if (gap > this.minHeight) {
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+ let holdHeight = gap;
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+ // item中减去已经放进页面的高度,继续递归
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+ // 循环item的questions,看看能容纳几个question,出去已经容纳的question
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+ let cHoldQuestions = [];
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+ let tempCanHolderItem = {};
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+ let questionsTemp = [];
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+ item.questions.filter(domItem => {
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+
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+ gap -= domItem.minHeight;
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+ if (gap >= 0) {
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+ cHoldQuestions.push(domItem);
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+ return false;
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+ } else {
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+ gap = Math.abs(gap);
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+ tempCanHolderItem = JSON.parse(JSON.stringify(domItem))
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+ domItem.minHeight = gap;
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+ tempCanHolderItem.minHeight -= gap;
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+ // 如果该页剩余小于最小高度,则跳到下一页
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+ if (tempCanHolderItem.minHeight >= this.minHeight) {
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+ cHoldQuestions.push(tempCanHolderItem);
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+ }
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+ // 如果该小问在下一页高度小于最小高度,则舍去
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+ if (domItem.minHeight >= this.minHeight) {
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+ questionsTemp.push(domItem);
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+ return true;
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+ } else {
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+ return false;
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+ }
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+ }
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+ })
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+ item.questions = questionsTemp;
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+ item.height -= holdHeight;
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+
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+ domOption.height = holdHeight;
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+ domOption.questions = cHoldQuestions;
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+ if (item.height > this.minHeight) {
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+ domOption.isDrag = false;
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+ } else {
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+ domOption.isDrag = true;
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+ }
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+ // 如果有最小高度,则说明是刷新状态
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+ if(item.minHeight) {
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+ item.minHeight -= domOption.height;
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+ item.minHeight = item.minHeight <= 0 ? 0 : item.minHeight;
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+ }
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+ this.currentPage.addDom(domOption);
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+ this.currentPage.gap = 0;
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+ this.currentPage = null;
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+ if (item.height > this.minHeight) {
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+ // 如果有最小高度,则说明是刷新状态
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+ if(item.minHeight) {
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+ item.minHeight <= 0 && (item.cdelete = 1);
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+ }
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+ this._itemToPage(item);
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+ }
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+ } else {
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+ this.currentPage.gap = 0;
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+ this.currentPage = null;
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+ this._itemToPage(item);
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+ }
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+
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+ } else {
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+ // 如果有最小高度,则说明是刷新状态
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+ if(item.minHeight) {
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+ item.minHeight -= item.height;
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+ item.minHeight = item.minHeight <= 0 ? 0 : item.minHeight;
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+ }
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+
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+ domOption.isDrag = true;
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+ this.currentPage.addDom(domOption);
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+ item.height = 0;
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+ this.currentPage.gap === 0 && (this.currentPage = null);
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+ }
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+};
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+
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+/**
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+ * function 将数据转换为vdom的形式
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+*/
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+pageManager.prototype.renderToDom = function () {
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+ let pages = this.pages;
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+ this.domBody = $('<div id="' +this.domId+ '" class="manager-selection"></div>');
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+ for (let index in pages) {
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+ pages[index].renderToDom();
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+ this.domBody.append(pages[index].vDom);
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+ }
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+ $("#pages-box").replaceWith(this.domBody);
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+ this.domBody.append(this.toolBar.toolbarContent());
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+ $('body').on('refreshPage', () => {
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+ this._refreshPage();
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+ });
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+};
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+
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+/**
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+ * function 刷新页面
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+ */
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+pageManager.prototype._refreshPage = function () {
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+ let data = [];
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+ let pages = this.pages;
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+ let nowRectNo = -1;
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+ let length = 0;
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+ for (let i in pages) {
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+ let doms = pages[i].doms;
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+ for (let j in doms) {
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+ let item = {
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+ border: doms[j].border,
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+ height: doms[j].height,
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+ isSubject: doms[j].isSubject,
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+ questions: doms[j].questions,
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+ rectNo: doms[j].rectNo,
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+ minHeight: doms[j].minHeight
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+ };
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+ if(parseInt(item.rectNo) === nowRectNo) {
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+ data[(length-1)].questions.push.apply(data[(length-1)].questions, item.questions);
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+ data[(length-1)].height += item.height;
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+ } else {
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+ nowRectNo = parseInt(item.rectNo);
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+ length++;
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+ !doms[j].isSubject && (item.rowDetail = doms[j].rowDetail);
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+ data.push(item);
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+ }
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+ }
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+ }
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+
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+ this.pageIndex = 0;
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+ this.pages = [];
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+ this.currentPage = null;
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+ this._splitToPage(data);
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+ $(".manager-selection").replaceWith('<div id="pages-box"></div>');
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+ $('body').off('refreshPage');
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+ this.renderToDom();
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+};
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+export default pageManager
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