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export interface NavDataElement {
/**
* 主键标识
*
* @memberof NavDataElement
*/
id: string;
/**
* 视图标题
*
* @memberof NavDataElement
*/
title: any;
/**
* 上下文
*
* @memberof NavDataElement
*/
context:any;
/**
* 视图参数
*
* @memberof NavDataElement
*/
viewparams:any;
/**
* 视图数据
*
* @memberof NavDataElement
*/
data:any;
/**
* 视图路径
*
* @memberof NavDataElement
*/
path:string;
/**
* 元素主键
*
* @memberof NavDataElement
*/
srfkey:string|null;
/**
* 视图标识
*
* @memberof NavDataElement
*/
tag:string|null;
}
export interface ServiceState {
/**
* 行为
*
* @memberof ServiceState
*/
action: string;
/**
* 名称
*
* @memberof ServiceState
*/
name: any;
/**
* 数据
*
* @memberof ServiceState
*/
data: any;
}
import { Subject } from 'rxjs';
import store from '@/store/index'
/**
* 导航数据服务
*
* @export
* @class CodeListService
*/
export default class NavDataService {
/**
* 单例变量声明
*
* @private
* @static
* @type {NavDataService}
* @memberof NavDataService
*/
private static navDataService: NavDataService;
/**
* 缓存对象
*
* @private
* @type {(any)}
* @memberof NavDataService
*/
private static store: any;
/**
* 服务状态
*
* @memberof NavDataService
*/
public serviceState: Subject<ServiceState> = new Subject();
/**
* 导航数据栈
*
* @memberof NavDataService
*/
public navDataStack:Array<NavDataElement> = [];
/**
* 导航数据存储仓库
*
* @memberof NavDataService
*/
public sessionStore:any;
/**
* 初始化实例
*
* @memberof NavDataService
*/
constructor(opts:any = {}){
this.sessionStore = window.sessionStorage;
this.initNavData();
}
/**
* 获取 NavDataService 单例对象
*
* @static
* @returns {NavDataService}
* @memberof NavDataService
*/
public static getInstance(): NavDataService {
if (!NavDataService.navDataService) {
NavDataService.navDataService = new NavDataService();
}
this.store = store;
return this.navDataService;
}
/**
* 初始化基础导航数据
*
* @memberof NavDataService
*/
public initNavData(){
if(this.sessionStore && this.sessionStore.getItem('srfnavdata')){
this.navDataStack = JSON.parse(this.sessionStore.getItem('srfnavdata'));
}
}
/**
* 添加基础导航数据到栈中
*
* @memberof NavDataService
*/
public addNavData(curNavData:NavDataElement){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,curNavData.id);
})
if(tempIndex === -1){
this.navDataStack.push(curNavData);
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return curNavData;
}else{
this.setNavDataById(curNavData.id,curNavData);
}
}else{
this.navDataStack.push(curNavData);
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return curNavData;
}
this.serviceState.next({action:'datarefresh',name:null,data:this.navDataStack});
}
/**
* 设置指定数据到基础导航数据栈中
*
* @memberof NavDataService
*/
public setNavDataById(id:string,curNavData:NavDataElement){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,id);
})
this.navDataStack[tempIndex] = curNavData;
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return curNavData;
}else{
return null;
}
}
/**
* 从导航数据栈中删除指定数据上层数据
*
* @memberof NavDataService
*/
public removeNavData(id:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,id);
})
let removeNavData = this.navDataStack.splice(tempIndex+1);
if(removeNavData && removeNavData.length >0){
removeNavData.forEach((navData:any) =>{
NavDataService.store.commit("deletePage", navData.path);
})
}
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return removeNavData;
}else{
return null;
}
}
/**
* 从导航数据栈中删除指定数据上层数据(不清除页面缓存)
*
* @memberof NavDataService
*/
public removeNavDataWithoutCache(id:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,id);
})
let removeNavData = this.navDataStack.splice(tempIndex+1);
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return removeNavData;
}else{
return null;
}
}
/**
* 从导航数据栈中获取指定数据
*
* @memberof NavDataService
*/
public getNavDataById(id:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,id);
})
return this.navDataStack[tempIndex];
}else{
return null;
}
}
/**
* 从导航数据栈中获取指定数据的前一条数据
*
* @memberof NavDataService
*/
public getPreNavDataById(id:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.id,id);
})
return this.navDataStack[tempIndex-1];
}else{
return null;
}
}
/**
* 清空导航数据栈数据
*
* @memberof NavDataService
*/
public clearNavData(id:string){
this.navDataStack = [];
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
}
/**
* 从导航数据栈中获取数据
*
* @memberof NavDataService
*/
public getNavData(){
if(this.navDataStack && this.navDataStack.length >0){
this.navDataStack.forEach((item:any,index) =>{
if(item && item.data && this.navDataStack[index+1]){
this.navDataStack[index+1] = Object.assign(this.navDataStack[index+1],{isselected:true});
}
})
return this.navDataStack;
}else{
return [];
}
}
/**
* 从导航数据栈中直接添加数据
*
* @memberof NavDataService
*/
public addNavDataByOnly(curNavData:NavDataElement,isOnlyAdd:boolean){
if(isOnlyAdd){
this.navDataStack.push(curNavData);
}else{
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.tag,curNavData.tag);
})
if(tempIndex === -1){
this.navDataStack.push(curNavData);
}else{
this.navDataStack[tempIndex] = curNavData;
}
}else{
this.navDataStack.push(curNavData);
}
}
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return curNavData;
}
/**
* 从导航数据栈中直接删除数据
*
* @memberof NavDataService
*/
public removeNavDataByTag(viewtag:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.tag,viewtag);
})
let removeNavData = this.navDataStack.splice(tempIndex,1);
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
return removeNavData;
}else{
return null;
}
}
/**
* 从导航数据栈中获取指定元素前一个元素
*
* @memberof NavDataService
*/
public getPreNavDataByTag(viewtag:string){
if(this.navDataStack.length >0){
let tempIndex:number = this.navDataStack.findIndex((element:NavDataElement) =>{
return Object.is(element.tag,viewtag);
})
return this.navDataStack[tempIndex - 1]?this.navDataStack[tempIndex - 1]:null;
}else{
return null;
}
}
/**
* 从导航数据栈中删除所有数据
*
* @memberof NavDataService
*/
public removeAllNavData(){
if(this.navDataStack.length >0){
this.navDataStack = [];
this.sessionStore.setItem('srfnavdata',JSON.stringify(this.navDataStack));
}
}
}