app-autocomplete.vue 7.6 KB
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<template>
    <el-autocomplete 
      class='text-value' 
      :value-key="deMajorField" 
      :disabled="disabled" 
      v-model="curvalue" 
      size='small'
      :trigger-on-focus="true" 
      :fetch-suggestions="onSearch" 
      @select="onACSelect"
      @input="onInput" 
      @blur="onBlur" 
      style='width:100%;'>
        <template v-slot:suffix>
            <i v-if="curvalue && !disabled" class='el-icon-circle-close' @click="onClear"></i>
            <i class="el-icon-arrow-down"></i>
        </template>
    </el-autocomplete>
</template>

<script lang='ts'>
import { Component, Vue, Prop, Model, Watch } from 'vue-property-decorator';
import { Subject } from 'rxjs';
import { debounceTime, distinctUntilChanged } from 'rxjs/operators';

@Component({
})
export default class AppAutocomplete extends Vue {

    /**
     * 表单数据
     *
     * @type {*}
     * @memberof AppAutocomplete
     */
    @Prop() public data: any;

    /**
     * 视图上下文
     *
     * @type {*}
     * @memberof AppAutocomplete
     */
    @Prop() public context!: any;

    /**
     * 视图参数
     *
     * @type {*}
     * @memberof AppFormDRUIPart
     */
    @Prop() public viewparams!: any;

    /**
     * AC参数
     *
     * @type {*}
     * @memberof AppFormDRUIPart
     */
    @Prop({default: {}}) public acParams?: any;

    /**
     * 表单服务
     *
     * @type {*}
     * @memberof AppFormDRUIPart
     */
    @Prop() public service?: any;

    /**
     * 应用实体主信息属性名称
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    @Prop({default: 'srfmajortext'}) public deMajorField!: string;

    /**
     * 应用实体主键属性名称
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    @Prop({default: 'srfkey'}) public deKeyField!: string;

    /**
     * 是否启用
     *
     * @type {boolean}
     * @memberof AppAutocomplete
     */
    @Prop() public disabled?: boolean;

    /**
     * 属性项名称
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    @Prop() public name!: string;

    /**
     * 局部上下文导航参数
     * 
     * @type {any}
     * @memberof AppAutocomplete
     */
    @Prop() public localContext!:any;

    /**
     * 局部导航参数
     * 
     * @type {any}
     * @memberof AppAutocomplete
     */
    @Prop() public localParam!:any;

    /**
     * 值项名称
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    @Prop() public valueitem?: string;

    /**
     * 值
     *
     * @type {*}
     * @memberof AppAutocomplete
     */
    @Model('change') public value?: any;

    /**
     * 当前值
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    public curvalue: string = '';

    /**
     * 远程请求url 地址
     *
     * @type {string}
     * @memberof AppAutocomplete
     */
    @Prop() public url?: string;

    /**
     * 数组
     *
     * @type {any[]}
     * @memberof AppAutocomplete
     */
    public items: any[] = [];

    /**
     * 输入状态
     *
     * @type {boolean}
     * @memberof AppAutocomplete
     */
    public inputState: boolean = false;

    /**
     * 值变化
     *
     * @param {*} newVal
     * @param {*} oldVal
     * @memberof AppAutocomplete
     */
    @Watch('value')
    public onValueChange(newVal: any, oldVal: any) {
        this.curvalue = newVal;
    }

    /**
     * 执行搜索数据
     * @param query 
     * @param callback 
     */
    public onSearch(query: any, callback: any): void {
        // 公共参数处理
        let data: any = {};
        const bcancel: boolean = this.handlePublicParams(data);
        if (!bcancel) {
            return;
        }
        // 参数处理
        let _context = data.context;
        let _param = data.param;
        // 处理搜索参数
        query = !query ? '' : query;
        if (!this.inputState && Object.is(query, this.value)) {
            query = '';
        }
        this.inputState = false;
        Object.assign(_param, { query: query });
        // 错误信息国际化
        let error: string = (this.$t('components.appAutocomplete.error') as any);
        let miss: string = (this.$t('components.appAutocomplete.miss') as any);
        let requestException: string = (this.$t('components.appAutocomplete.requestException') as any);

        if(!this.service){
            this.$Notice.error({ title: error, desc: miss+'service' });
        } else if(!this.acParams.serviceName) {
            this.$Notice.error({ title: error, desc: miss+'serviceName' });
        } else if(!this.acParams.interfaceName) {
            this.$Notice.error({ title: error, desc: miss+'interfaceName' });
        } else {
          this.service.getItems(this.acParams.serviceName,this.acParams.interfaceName, _context, _param).then((response: any) => {
              if (!response) {
                  this.$Notice.error({ title: error, desc: requestException });
              } else {
                  this.items = [...response];
              }
              if (callback) {
                  callback(this.items);
              }
          }).catch((error: any) => {
              if (callback) {
                  callback([]);
              }
          });
        } 
    }

    /**
     * 选中数据回调
     * @param item 
     */
    public onACSelect(item: any): void {
      if (this.name) {
          this.$emit('formitemvaluechange', { name: this.name, value: item[this.deMajorField] });
      }
      if (this.valueitem) {
          this.$emit('formitemvaluechange', { name: this.valueitem, value: item[this.deKeyField] });
      }
  }

    /**
     * 输入过程中
     *
     * @memberof AppAutocomplete
     */
    public onInput($event: any) {
        if (Object.is($event, this.value)) {
            this.inputState = true;
        }
    }

    /**
     * 失去焦点事件
     * @param e 
     */
    public onBlur(e: any): void {
        let val: string = e.target.value;
        if (!Object.is(val, this.value)) {
            this.onACSelect({ [this.deMajorField]: val, [this.deKeyField]: '' });
        }
        this.$forceUpdate();
    }

    /**
     * 清除
     */
    public onClear($event: any): void {
        if (this.name) {
            this.$emit('formitemvaluechange', { name: this.name, value: '' });
        }
        if (this.valueitem) {
            this.$emit('formitemvaluechange', { name: this.valueitem, value: '' });
        }
        this.$forceUpdate();
    }

    
    /**
     * 公共参数处理
     *
     * @param {*} arg
     * @returns
     * @memberof AppAutocomplete
     */
    public handlePublicParams(arg: any): boolean {
        if (!this.data) {
            this.$Notice.error({ title: (this.$t('components.AppAutocomplete.error') as any), desc: (this.$t('components.AppAutocomplete.formdataException') as any) });
            return false;
        }
        // 合并表单参数
        arg.param = this.viewparams ? JSON.parse(JSON.stringify(this.viewparams)) : {};
        arg.context = this.context ? JSON.parse(JSON.stringify(this.context)) : {};
        // 附加参数处理
        if (this.localContext && Object.keys(this.localContext).length >0) {
            let _context = this.$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.param,arg.param,this.localParam);
            Object.assign(arg.param,_param);
        }
        return true;
    }

}
</script>

<style lang='less'>
@import './app-autocomplete.less';
</style>