<template> <div class="dropdown-list-container"> <i-select v-if="!hasChildren" class='dropdown-list' :transfer="true" v-model="currentVal" :disabled="disabled" :clearable="true" :filterable="filterable" @on-open-change="onClick" :placeholder="placeholder?placeholder:$t('components.dropDownList.placeholder')"> <i-option v-for="(item, index) in items" :key="index" :disabled="item.disabled" :class="item.class" :value="item.value">{{($t('codelist.'+tag+'.'+item.value)!== ('codelist.'+tag+'.'+item.value))?$t('codelist.'+tag+'.'+item.value) : item.text}}</i-option> </i-select> <ibiz-select-tree v-if="hasChildren" class="tree-dropdown-list" :disabled="disabled" :NodesData="items" v-model="currentVal" :multiple="false"></ibiz-select-tree> </div> </template> <script lang="ts"> import { Vue, Component, Watch, Prop, Model } from 'vue-property-decorator'; import CodeListService from "@/codelist/codelist-service"; import { Util } from '@/utils'; import { Subject, Subscription } from 'rxjs'; @Component({ }) export default class DropDownList extends Vue { /** * 代码表服务对象 * * @type {CodeListService} * @memberof DropDownList */ public codeListService:CodeListService = new CodeListService(); /** * 额外参数 * * @type {*} * @memberof DropDownList */ public otherParam:any; /** * 查询参数 * @type {*} * @memberof DropDownList */ public queryParam:any; /** * 是否有子集 * @type {boolean} * @memberof DropDownList */ public hasChildren:boolean = false; /** * 当前选中值 * @type {any} * @memberof DropDownList */ @Model('change') readonly itemValue!: any; /** * 监控值变化,根据属性类型强制转换 * * @memberof DropDownList */ @Watch('itemValue') public valueWatch() { try { this.readyValue(); // 代码表集合中不存在改选项,重新准备集合 if (this.value && !this.items.find((item: any) => Object.is(this.value, item.value))) { this.loadData(); } } catch (error) { console.log('下拉列表,值转换失败'); } } /** * 代码表标识 * * @type {string} * @memberof DropDownList */ @Prop() public tag?: string; /** * 代码表类型 * * @type {string} * @memberof DropDownList */ @Prop() public codelistType?: string; /** * 传入表单数据 * * @type {*} * @memberof DropDownList */ @Prop() public data?: any; /** * 表单状态对象 * * @type {Subject<any>} * @memberof AppEmbedPicker */ @Prop() public formState!: Subject<any> /** * 订阅对象 * * @protected * @type {(Subscription | undefined)} * @memberof SelectType */ protected formStateEvent: Subscription | undefined; /** * 监听表单数据 * * @memberof DropDownList */ @Watch('data',{ deep: true }) onDataChange(newVal: any, val: any){ if(newVal){ } } /** * 局部上下文导航参数 * * @type {*} * @memberof DropDownList */ @Prop() public localContext!:any; /** * 局部导航参数 * * @type {*} * @memberof DropDownList */ @Prop() public localParam!:any; /** * 视图上下文 * * @type {*} * @memberof AppAutocomplete */ @Prop() public context!: any; /** * 视图参数 * * @type {*} * @memberof AppFormDRUIPart */ @Prop() public viewparams!: any; /** * 是否禁用 * @type {any} * @memberof DropDownList * */ @Prop() public disabled?: any; /** * 是否支持过滤 * @type {boolean} * @memberof DropDownList */ public filterable: boolean = true; /** * 下拉选提示内容 * @type {string} * @memberof DropDownList */ @Prop() public placeholder?: string; /** * 属性类型 * * @type {'string' | 'number'} * @memberof DropDownList */ @Prop({ default: 'string' }) public valueType!: 'string' | 'number'; /** * 选择实际值 * * @type {*} * @memberof DropDownList */ public value: any = null; /** * 计算属性(当前值) * @type {any} * @memberof DropDownList */ set currentVal(val: any) { if(this.hasChildren && val){ let tempVal:any = JSON.parse(val); val = tempVal.length >0?tempVal[0].value:null; } const type: string = this.$util.typeOf(val); val = Object.is(type, 'null') || Object.is(type, 'undefined') ? null : val; this.$emit('change', val); } /** * 获取值对象 * * @memberof DropDownList */ get currentVal() { if(this.hasChildren && this.itemValue){ let list:Array<any> = []; this.getItemList(list,this.items); let result:any = list.find((item:any) =>{ return item.value == this.itemValue; }) return JSON.stringify([result]); } return this.value; } /** * 获取代码表列表 * * @memberof DropDownList */ public getItemList(list:Array<any>,items:Array<any>){ if(items && items.length >0){ items.forEach((item:any) =>{ if(item.children){ this.getItemList(list,item.children); } list.push(item); }) } } /** * 代码表 * * @type {any[]} * @memberof DropDownList */ public items: any[] = []; /** * 公共参数处理 * * @param {*} arg * @returns * @memberof DropDownList */ public handlePublicParams(arg: any) { // 合并表单参数 arg.param = this.viewparams ? JSON.parse(JSON.stringify(this.viewparams)) : {}; arg.context = this.context ? JSON.parse(JSON.stringify(this.context)) : {}; // 附加参数处理 if (this.localContext && Object.keys(this.localContext).length >0) { let _context = this.$util.computedNavData(this.data,arg.context,arg.param,this.localContext); Object.assign(arg.context,_context); } if (this.localParam && Object.keys(this.localParam).length >0) { let _param = this.$util.computedNavData(this.data,arg.context,arg.param,this.localParam); Object.assign(arg.param,_param); } } /** * vue 生命周期 * * @memberof DropDownList */ public created() { if(this.formState) { this.formStateEvent = this.formState.subscribe(({ type, data }) => { if (Object.is('load', type)) { this.loadData(); this.readyValue(); } }); } this.loadData(); this.readyValue(); } /** * 加载数据 * * @memberof DropDownList */ public loadData(){ if(this.tag && Object.is(this.codelistType,"STATIC")){ const codelist = this.$store.getters.getCodeList(this.tag); if (codelist) { let items: Array<any> = [...JSON.parse(JSON.stringify(codelist.items))]; this.formatCodeList(items); } else { console.log(`----${this.tag}----代码表不存在`); } }else if(this.tag && Object.is(this.codelistType,"DYNAMIC")){ // 公共参数处理 let data: any = {}; this.handlePublicParams(data); // 参数处理 let _context = data.context; let _param = data.param; this.codeListService.getItems(this.tag,_context,_param).then((res:any) => { let items: Array<any> = [...res]; this.formatCodeList(items); }).catch((error:any) => { console.log(`----${this.tag}----代码表不存在`); }); } } /** * 准备值 * * @memberof DropDownList */ public readyValue() { if (this.itemValue == null) { this.value = null; return; } if (this.$util.typeOf(this.itemValue) === this.valueType) { this.value = this.itemValue; } else if (this.valueType === 'number') { if (this.itemValue.indexOf('.') === -1) { this.value = parseInt(this.itemValue); } else { this.value = parseFloat(this.itemValue); } } else { this.value = this.itemValue.toString(); } } /** * 下拉点击事件 * * @param {*} $event * @memberof DropDownList */ public onClick($event:any){ if($event){ if(this.tag && Object.is(this.codelistType,"DYNAMIC")){ // 公共参数处理 let data: any = {}; this.handlePublicParams(data); // 参数处理 let _context = data.context; let _param = data.param; this.codeListService.getItems(this.tag,_context,_param).then((res:any) => { let items: Array<any> = [...res]; this.formatCodeList(items); }).catch((error:any) => { console.log(`----${this.tag}----代码表不存在`); }); } } } /** * 代码表类型和属性匹配 * * @param {*} items * @memberof DropDownList */ public formatCodeList(items: Array<any>){ let matching: boolean = false; this.items = []; try{ items.forEach((item: any)=>{ const type = this.$util.typeOf(item.value); if(type != this.valueType){ matching = true; if(type === 'number'){ item.value = item.value.toString(); }else{ if(type == "null") { this.valueType == "number" ? item.value = 0 : item.value = ''; }else if(item.value.indexOf('.') == -1){ item.value = parseInt(item.value); }else{ item.value = parseFloat(item.value); } } } this.items.push(item); }); if(matching){ console.warn(`代码表 ${ this.tag } 值类型和属性类型不匹配,已自动强制转换,请修正代码表值类型和属性类型匹配`); } }catch(error){ console.warn('代码表值类型和属性类型不匹配,自动强制转换异常,请修正代码表值类型和属性类型匹配'); } this.handleLevelCodeList(Util.deepCopy(this.items)); } /** * 处理层级代码表 * * @param {*} items * @memberof DropDownList */ public handleLevelCodeList(items: Array<any>){ if(items && items.length >0){ this.hasChildren = items.some((item:any) =>{ return item.pvalue; }) if(this.hasChildren){ let list:Array<any> = []; items.forEach((codeItem:any) =>{ if(!codeItem.pvalue){ let valueField:string = codeItem.value; this.setChildCodeItems(valueField,items,codeItem); list.push(codeItem); } }) this.items = list; } } } /** * 计算子类代码表 * * @param {*} items * @memberof DropDownList */ public setChildCodeItems(pValue:string,result:Array<any>,codeItem:any){ result.forEach((item:any) =>{ if(item.pvalue == pValue){ let valueField:string = item.value; this.setChildCodeItems(valueField,result,item); if(!codeItem.children){ codeItem.children = []; } codeItem.children.push(item); } }) } /** * vue 生命周期 * * @memberof DropDownList */ public destroyed() { if (this.formStateEvent) { this.formStateEvent.unsubscribe(); } } } </script> <style lang='less'> @import './dropdown-list.less'; </style>