741 lines
24 KiB
TypeScript
741 lines
24 KiB
TypeScript
///
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/// Copyright © 2016-2019 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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import {
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IWidgetSubscription,
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SubscriptionEntityInfo,
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WidgetSubscriptionCallbacks,
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WidgetSubscriptionContext,
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WidgetSubscriptionOptions
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} from '@core/api/widget-api.models';
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import {
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DataSet,
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DataSetHolder,
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Datasource,
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DatasourceData,
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DatasourceType,
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LegendConfig,
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LegendData,
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LegendKey,
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LegendKeyData,
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widgetType
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} from '@app/shared/models/widget.models';
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import { HttpErrorResponse } from '@angular/common/http';
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import {
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createSubscriptionTimewindow,
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SubscriptionTimewindow,
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Timewindow,
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toHistoryTimewindow,
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WidgetTimewindow
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} from '@app/shared/models/time/time.models';
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import { Observable, of, ReplaySubject, Subject } from 'rxjs';
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import { CancelAnimationFrame } from '@core/services/raf.service';
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import { EntityType } from '@shared/models/entity-type.models';
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import { AlarmInfo, AlarmSearchStatus } from '@shared/models/alarm.models';
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import { deepClone, isDefined } from '@core/utils';
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import { AlarmSourceListener } from '@core/http/alarm.service';
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import { DatasourceListener } from '@core/api/datasource.service';
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import * as deepEqual from 'deep-equal';
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import { EntityId } from '@app/shared/models/id/entity-id';
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export class WidgetSubscription implements IWidgetSubscription {
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id: string;
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ctx: WidgetSubscriptionContext;
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type: widgetType;
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callbacks: WidgetSubscriptionCallbacks;
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timeWindow: WidgetTimewindow;
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originalTimewindow: Timewindow;
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timeWindowConfig: Timewindow;
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subscriptionTimewindow: SubscriptionTimewindow;
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useDashboardTimewindow: boolean;
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data: Array<DatasourceData>;
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datasources: Array<Datasource>;
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datasourceListeners: Array<DatasourceListener>;
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hiddenData: Array<DataSetHolder>;
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legendData: LegendData;
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legendConfig: LegendConfig;
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caulculateLegendData: boolean;
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displayLegend: boolean;
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stateData: boolean;
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decimals: number;
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units: string;
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alarms: Array<AlarmInfo>;
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alarmSource: Datasource;
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alarmSearchStatus: AlarmSearchStatus;
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alarmsPollingInterval: number;
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alarmSourceListener: AlarmSourceListener;
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loadingData: boolean;
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targetDeviceAliasIds?: Array<string>;
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targetDeviceIds?: Array<string>;
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executingRpcRequest: boolean;
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rpcEnabled: boolean;
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rpcErrorText: string;
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rpcRejection: HttpErrorResponse;
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init$: Observable<IWidgetSubscription>;
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cafs: {[cafId: string]: CancelAnimationFrame} = {};
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targetDeviceAliasId: string;
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targetDeviceId: string;
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targetDeviceName: string;
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executingSubjects: Array<Subject<any>>;
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constructor(subscriptionContext: WidgetSubscriptionContext, options: WidgetSubscriptionOptions) {
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const subscriptionSubject = new ReplaySubject<IWidgetSubscription>();
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this.init$ = subscriptionSubject.asObservable();
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this.ctx = subscriptionContext;
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this.type = options.type;
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this.id = this.ctx.utils.guid();
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this.callbacks = options.callbacks;
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if (this.type === widgetType.rpc) {
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this.callbacks.rpcStateChanged = this.callbacks.rpcStateChanged || (() => {});
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this.callbacks.onRpcSuccess = this.callbacks.onRpcSuccess || (() => {});
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this.callbacks.onRpcFailed = this.callbacks.onRpcFailed || (() => {});
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this.callbacks.onRpcErrorCleared = this.callbacks.onRpcErrorCleared || (() => {});
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this.targetDeviceAliasIds = options.targetDeviceAliasIds;
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this.targetDeviceIds = options.targetDeviceIds;
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this.targetDeviceAliasId = null;
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this.targetDeviceId = null;
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this.rpcRejection = null;
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this.rpcErrorText = null;
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this.rpcEnabled = false;
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this.executingRpcRequest = false;
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this.executingSubjects = [];
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this.initRpc().subscribe(() => {
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subscriptionSubject.next(this);
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subscriptionSubject.complete();
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});
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} else if (this.type === widgetType.alarm) {
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this.callbacks.onDataUpdated = this.callbacks.onDataUpdated || (() => {});
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this.callbacks.onDataUpdateError = this.callbacks.onDataUpdateError || (() => {});
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this.callbacks.dataLoading = this.callbacks.dataLoading || (() => {});
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this.callbacks.timeWindowUpdated = this.callbacks.timeWindowUpdated || (() => {});
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this.alarmSource = options.alarmSource;
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this.alarmSearchStatus = isDefined(options.alarmSearchStatus) ?
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options.alarmSearchStatus : AlarmSearchStatus.ANY;
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this.alarmsPollingInterval = isDefined(options.alarmsPollingInterval) ?
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options.alarmsPollingInterval : 5000;
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this.alarmSourceListener = null;
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this.alarms = [];
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this.originalTimewindow = null;
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this.timeWindow = {};
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this.useDashboardTimewindow = options.useDashboardTimewindow;
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if (this.useDashboardTimewindow) {
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this.timeWindowConfig = deepClone(options.dashboardTimewindow);
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} else {
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this.timeWindowConfig = deepClone(options.timeWindowConfig);
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}
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this.subscriptionTimewindow = null;
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this.loadingData = false;
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this.displayLegend = false;
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this.initAlarmSubscription().subscribe(() => {
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subscriptionSubject.next(this);
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subscriptionSubject.complete();
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},
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() => {
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subscriptionSubject.error(null);
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});
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} else {
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this.callbacks.onDataUpdated = this.callbacks.onDataUpdated || (() => {});
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this.callbacks.onDataUpdateError = this.callbacks.onDataUpdateError || (() => {});
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this.callbacks.dataLoading = this.callbacks.dataLoading || (() => {});
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this.callbacks.legendDataUpdated = this.callbacks.legendDataUpdated || (() => {});
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this.callbacks.timeWindowUpdated = this.callbacks.timeWindowUpdated || (() => {});
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this.datasources = this.ctx.utils.validateDatasources(options.datasources);
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this.datasourceListeners = [];
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this.data = [];
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this.hiddenData = [];
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this.originalTimewindow = null;
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this.timeWindow = {};
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this.useDashboardTimewindow = options.useDashboardTimewindow;
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this.stateData = options.stateData;
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if (this.useDashboardTimewindow) {
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this.timeWindowConfig = deepClone(options.dashboardTimewindow);
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} else {
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this.timeWindowConfig = deepClone(options.timeWindowConfig);
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}
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this.subscriptionTimewindow = null;
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this.units = options.units || '';
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this.decimals = isDefined(options.decimals) ? options.decimals : 2;
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this.loadingData = false;
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if (options.legendConfig) {
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this.legendConfig = options.legendConfig;
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this.legendData = {
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keys: [],
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data: []
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};
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this.displayLegend = true;
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} else {
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this.displayLegend = false;
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}
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this.caulculateLegendData = this.displayLegend &&
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this.type === widgetType.timeseries &&
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(this.legendConfig.showMin === true ||
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this.legendConfig.showMax === true ||
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this.legendConfig.showAvg === true ||
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this.legendConfig.showTotal === true);
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this.initDataSubscription().subscribe(() => {
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subscriptionSubject.next(this);
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subscriptionSubject.complete();
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},
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(err) => {
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subscriptionSubject.error(err);
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});
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}
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}
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private initRpc(): Observable<any> {
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const initRpcSubject = new ReplaySubject();
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if (this.targetDeviceAliasIds && this.targetDeviceAliasIds.length > 0) {
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this.targetDeviceAliasId = this.targetDeviceAliasIds[0];
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this.ctx.aliasController.getAliasInfo(this.targetDeviceAliasId).subscribe(
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(aliasInfo) => {
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if (aliasInfo.currentEntity && aliasInfo.currentEntity.entityType === EntityType.DEVICE) {
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this.targetDeviceId = aliasInfo.currentEntity.id;
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this.targetDeviceName = aliasInfo.currentEntity.name;
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if (this.targetDeviceId) {
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this.rpcEnabled = true;
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} else {
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this.rpcEnabled = this.ctx.utils.widgetEditMode ? true : false;
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}
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this.callbacks.rpcStateChanged(this);
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initRpcSubject.next();
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initRpcSubject.complete();
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} else {
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this.rpcEnabled = false;
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this.callbacks.rpcStateChanged(this);
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initRpcSubject.next();
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initRpcSubject.complete();
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}
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},
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() => {
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this.rpcEnabled = false;
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this.callbacks.rpcStateChanged(this);
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initRpcSubject.next();
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initRpcSubject.complete();
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}
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);
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} else {
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if (this.targetDeviceIds && this.targetDeviceIds.length > 0) {
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this.targetDeviceId = this.targetDeviceIds[0];
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}
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if (this.targetDeviceId) {
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this.rpcEnabled = true;
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} else {
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this.rpcEnabled = this.ctx.utils.widgetEditMode ? true : false;
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}
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this.callbacks.rpcStateChanged(this);
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initRpcSubject.next();
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initRpcSubject.complete();
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}
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return initRpcSubject.asObservable();
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}
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private initAlarmSubscription(): Observable<any> {
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// TODO:
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return of(null);
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}
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private initDataSubscription(): Observable<any> {
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const initDataSubscriptionSubject = new ReplaySubject(1);
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this.loadStDiff().subscribe(() => {
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if (!this.ctx.aliasController) {
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this.configureData();
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initDataSubscriptionSubject.next();
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initDataSubscriptionSubject.complete();
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} else {
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this.ctx.aliasController.resolveDatasources(this.datasources).subscribe(
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(datasources) => {
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this.datasources = datasources;
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this.configureData();
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initDataSubscriptionSubject.next();
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initDataSubscriptionSubject.complete();
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},
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(err) => {
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initDataSubscriptionSubject.error(err);
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}
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);
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}
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});
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return initDataSubscriptionSubject.asObservable();
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}
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private configureData() {
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let dataIndex = 0;
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this.datasources.forEach((datasource) => {
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datasource.dataKeys.forEach((dataKey) => {
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dataKey.hidden = false;
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dataKey.pattern = dataKey.label;
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const datasourceData: DatasourceData = {
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datasource,
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dataKey,
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data: []
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};
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this.data.push(datasourceData);
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this.hiddenData.push({data: []});
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if (this.displayLegend) {
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const legendKey: LegendKey = {
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dataKey,
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dataIndex: dataIndex++
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};
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this.legendData.keys.push(legendKey);
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const legendKeyData: LegendKeyData = {
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min: null,
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max: null,
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avg: null,
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total: null,
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hidden: false
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};
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this.legendData.data.push(legendKeyData);
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}
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});
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});
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if (this.displayLegend) {
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this.legendData.keys = this.legendData.keys.sort((key1, key2) => key1.dataKey.label.localeCompare(key2.dataKey.label));
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}
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}
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private resetData() {
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for (let i = 0; i < this.data.length; i++) {
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this.data[i].data = [];
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this.hiddenData[i].data = [];
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if (this.displayLegend) {
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this.legendData.data[i].min = null;
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this.legendData.data[i].max = null;
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this.legendData.data[i].avg = null;
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this.legendData.data[i].total = null;
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this.legendData.data[i].hidden = false;
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}
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}
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this.onDataUpdated();
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}
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getFirstEntityInfo(): SubscriptionEntityInfo {
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let entityId: EntityId;
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let entityName: string;
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if (this.type === widgetType.rpc) {
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if (this.targetDeviceId) {
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entityId = {
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entityType: EntityType.DEVICE,
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id: this.targetDeviceId
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};
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entityName = this.targetDeviceName;
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}
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} else if (this.type === widgetType.alarm) {
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if (this.alarmSource && this.alarmSource.entityType && this.alarmSource.entityId) {
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entityId = {
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entityType: this.alarmSource.entityType,
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id: this.alarmSource.entityId
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};
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entityName = this.alarmSource.entityName;
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}
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} else {
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for (const datasource of this.datasources) {
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if (datasource && datasource.entityType && datasource.entityId) {
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entityId = {
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entityType: datasource.entityType,
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id: datasource.entityId
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};
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entityName = datasource.entityName;
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break;
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}
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}
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}
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if (entityId) {
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return {
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entityId,
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entityName
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};
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} else {
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return null;
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}
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}
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onAliasesChanged(aliasIds: Array<string>): boolean {
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return false;
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}
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private onDataUpdated(detectChanges?: boolean) {
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if (this.cafs.dataUpdated) {
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this.cafs.dataUpdated();
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this.cafs.dataUpdated = null;
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}
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this.cafs.dataUpdated = this.ctx.raf.raf(() => {
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try {
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this.callbacks.onDataUpdated(this, detectChanges);
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} catch (e) {
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this.callbacks.onDataUpdateError(this, e);
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}
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});
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}
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onDashboardTimewindowChanged(newDashboardTimewindow: Timewindow): void {
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if (this.type === widgetType.timeseries || this.type === widgetType.alarm) {
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if (this.useDashboardTimewindow) {
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if (!deepEqual(this.timeWindowConfig, newDashboardTimewindow) && newDashboardTimewindow) {
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this.timeWindowConfig = deepClone(newDashboardTimewindow);
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this.update();
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}
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}
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}
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}
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updateDataVisibility(index: number): void {
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if (this.displayLegend) {
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const hidden = this.legendData.keys[index].dataKey.hidden;
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if (hidden) {
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this.hiddenData[index].data = this.data[index].data;
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this.data[index].data = [];
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} else {
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this.data[index].data = this.hiddenData[index].data;
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this.hiddenData[index].data = [];
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}
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this.onDataUpdated();
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}
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}
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updateTimewindowConfig(newTimewindow: Timewindow): void {
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if (!this.useDashboardTimewindow) {
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this.timeWindowConfig = newTimewindow;
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this.update();
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}
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}
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onResetTimewindow(): void {
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if (this.useDashboardTimewindow) {
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this.ctx.dashboardTimewindowApi.onResetTimewindow();
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} else {
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if (this.originalTimewindow) {
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this.timeWindowConfig = deepClone(this.originalTimewindow);
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this.originalTimewindow = null;
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this.callbacks.timeWindowUpdated(this, this.timeWindowConfig);
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this.update();
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}
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}
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}
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onUpdateTimewindow(startTimeMs: number, endTimeMs: number, interval?: number): void {
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if (this.useDashboardTimewindow) {
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this.ctx.dashboardTimewindowApi.onUpdateTimewindow(startTimeMs, endTimeMs);
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} else {
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if (!this.originalTimewindow) {
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this.originalTimewindow = deepClone(this.timeWindowConfig);
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}
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this.timeWindowConfig = toHistoryTimewindow(this.timeWindowConfig, startTimeMs, endTimeMs, interval, this.ctx.timeService);
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this.callbacks.timeWindowUpdated(this, this.timeWindowConfig);
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this.update();
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}
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}
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sendOneWayCommand(method: string, params?: any, timeout?: number): Observable<any> {
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// TODO:
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return undefined;
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}
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sendTwoWayCommand(method: string, params?: any, timeout?: number): Observable<any> {
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// TODO:
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return undefined;
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}
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clearRpcError(): void {
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// TODO:
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}
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update() {
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this.unsubscribe();
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this.subscribe();
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}
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subscribe(): void {
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if (this.cafs.subscribe) {
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this.cafs.subscribe();
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this.cafs.subscribe = null;
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}
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this.cafs.subscribe = this.ctx.raf.raf(() => {
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this.doSubscribe();
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});
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}
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private doSubscribe() {
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if (this.type === widgetType.rpc) {
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return;
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}
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if (this.type === widgetType.alarm) {
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this.alarmsSubscribe();
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} else {
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this.notifyDataLoading();
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if (this.type === widgetType.timeseries && this.timeWindowConfig) {
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this.updateRealtimeSubscription();
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if (this.subscriptionTimewindow.fixedWindow) {
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this.onDataUpdated();
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}
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}
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let index = 0;
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let forceUpdate = !this.datasources.length;
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this.datasources.forEach((datasource) => {
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const listener: DatasourceListener = {
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subscriptionType: this.type,
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subscriptionTimewindow: this.subscriptionTimewindow,
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datasource,
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entityType: datasource.entityType,
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entityId: datasource.entityId,
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dataUpdated: this.dataUpdated.bind(this),
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updateRealtimeSubscription: () => {
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this.subscriptionTimewindow = this.updateRealtimeSubscription();
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return this.subscriptionTimewindow;
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},
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setRealtimeSubscription: (subscriptionTimewindow) => {
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this.updateRealtimeSubscription(deepClone(subscriptionTimewindow));
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},
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datasourceIndex: index
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};
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for (let a = 0; a < datasource.dataKeys.length; a++) {
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this.data[index + a].data = [];
|
|
}
|
|
index += datasource.dataKeys.length;
|
|
this.datasourceListeners.push(listener);
|
|
|
|
if (datasource.dataKeys.length) {
|
|
this.ctx.datasourceService.subscribeToDatasource(listener);
|
|
}
|
|
if (datasource.unresolvedStateEntity ||
|
|
!datasource.dataKeys.length ||
|
|
(datasource.type === DatasourceType.entity && !datasource.entityId)
|
|
) {
|
|
forceUpdate = true;
|
|
}
|
|
});
|
|
if (forceUpdate) {
|
|
this.notifyDataLoaded();
|
|
this.onDataUpdated();
|
|
}
|
|
}
|
|
}
|
|
|
|
private alarmsSubscribe() {
|
|
// TODO:
|
|
this.notifyDataLoaded();
|
|
}
|
|
|
|
|
|
unsubscribe() {
|
|
if (this.type !== widgetType.rpc) {
|
|
if (this.type === widgetType.alarm) {
|
|
this.alarmsUnsubscribe();
|
|
} else {
|
|
this.datasourceListeners.forEach((listener) => {
|
|
this.ctx.datasourceService.unsubscribeFromDatasource(listener);
|
|
});
|
|
this.datasourceListeners.length = 0;
|
|
this.resetData();
|
|
}
|
|
}
|
|
}
|
|
|
|
private alarmsUnsubscribe() {
|
|
// TODO:
|
|
}
|
|
|
|
destroy(): void {
|
|
this.unsubscribe();
|
|
for (const cafId of Object.keys(this.cafs)) {
|
|
if (this.cafs[cafId]) {
|
|
this.cafs[cafId]();
|
|
this.cafs[cafId] = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
private notifyDataLoading() {
|
|
this.loadingData = true;
|
|
this.callbacks.dataLoading(this);
|
|
}
|
|
|
|
private notifyDataLoaded() {
|
|
this.loadingData = false;
|
|
this.callbacks.dataLoading(this);
|
|
}
|
|
|
|
private updateTimewindow() {
|
|
this.timeWindow.interval = this.subscriptionTimewindow.aggregation.interval || 1000;
|
|
if (this.subscriptionTimewindow.realtimeWindowMs) {
|
|
this.timeWindow.maxTime = Date.now() + this.timeWindow.stDiff;
|
|
this.timeWindow.minTime = this.timeWindow.maxTime - this.subscriptionTimewindow.realtimeWindowMs;
|
|
} else if (this.subscriptionTimewindow.fixedWindow) {
|
|
this.timeWindow.maxTime = this.subscriptionTimewindow.fixedWindow.endTimeMs;
|
|
this.timeWindow.minTime = this.subscriptionTimewindow.fixedWindow.startTimeMs;
|
|
}
|
|
}
|
|
|
|
private updateRealtimeSubscription(subscriptionTimewindow?: SubscriptionTimewindow) {
|
|
if (subscriptionTimewindow) {
|
|
this.subscriptionTimewindow = subscriptionTimewindow;
|
|
} else {
|
|
this.subscriptionTimewindow =
|
|
createSubscriptionTimewindow(this.timeWindowConfig, this.timeWindow.stDiff,
|
|
this.stateData, this.ctx.timeService);
|
|
}
|
|
this.updateTimewindow();
|
|
return this.subscriptionTimewindow;
|
|
}
|
|
|
|
private dataUpdated(sourceData: DataSetHolder, datasourceIndex: number, dataKeyIndex: number, detectChanges: boolean) {
|
|
for (let x = 0; x < this.datasourceListeners.length; x++) {
|
|
this.datasources[x].dataReceived = this.datasources[x].dataReceived === true;
|
|
if (this.datasourceListeners[x].datasourceIndex === datasourceIndex && sourceData.data.length > 0) {
|
|
this.datasources[x].dataReceived = true;
|
|
}
|
|
}
|
|
this.notifyDataLoaded();
|
|
let update = true;
|
|
let currentData: DataSetHolder;
|
|
if (this.displayLegend && this.legendData.keys[datasourceIndex + dataKeyIndex].dataKey.hidden) {
|
|
currentData = this.hiddenData[datasourceIndex + dataKeyIndex];
|
|
} else {
|
|
currentData = this.data[datasourceIndex + dataKeyIndex];
|
|
}
|
|
if (this.type === widgetType.latest) {
|
|
const prevData = currentData.data;
|
|
if (!sourceData.data.length) {
|
|
update = false;
|
|
} else if (prevData && prevData[0] && prevData[0].length > 1 && sourceData.data.length > 0) {
|
|
const prevTs = prevData[0][0];
|
|
const prevValue = prevData[0][1];
|
|
if (prevTs === sourceData.data[0][0] && prevValue === sourceData.data[0][1]) {
|
|
update = false;
|
|
}
|
|
}
|
|
}
|
|
if (update) {
|
|
if (this.subscriptionTimewindow && this.subscriptionTimewindow.realtimeWindowMs) {
|
|
this.updateTimewindow();
|
|
}
|
|
currentData.data = sourceData.data;
|
|
if (this.caulculateLegendData) {
|
|
this.updateLegend(datasourceIndex + dataKeyIndex, sourceData.data, detectChanges);
|
|
}
|
|
this.onDataUpdated(detectChanges);
|
|
}
|
|
}
|
|
|
|
private updateLegend(dataIndex: number, data: DataSet, detectChanges: boolean) {
|
|
const dataKey = this.legendData.keys[dataIndex].dataKey;
|
|
const decimals = isDefined(dataKey.decimals) ? dataKey.decimals : this.decimals;
|
|
const units = dataKey.units && dataKey.units.length ? dataKey.units : this.units;
|
|
const legendKeyData = this.legendData.data[dataIndex];
|
|
if (this.legendConfig.showMin) {
|
|
legendKeyData.min = this.ctx.widgetUtils.formatValue(calculateMin(data), decimals, units);
|
|
}
|
|
if (this.legendConfig.showMax) {
|
|
legendKeyData.max = this.ctx.widgetUtils.formatValue(calculateMax(data), decimals, units);
|
|
}
|
|
if (this.legendConfig.showAvg) {
|
|
legendKeyData.avg = this.ctx.widgetUtils.formatValue(calculateAvg(data), decimals, units);
|
|
}
|
|
if (this.legendConfig.showTotal) {
|
|
legendKeyData.total = this.ctx.widgetUtils.formatValue(calculateTotal(data), decimals, units);
|
|
}
|
|
this.callbacks.legendDataUpdated(this, detectChanges !== false);
|
|
}
|
|
|
|
|
|
private loadStDiff(): Observable<any> {
|
|
const loadSubject = new ReplaySubject(1);
|
|
if (this.ctx.getServerTimeDiff && this.timeWindow) {
|
|
this.ctx.getServerTimeDiff().subscribe(
|
|
(stDiff) => {
|
|
this.timeWindow.stDiff = stDiff;
|
|
loadSubject.next();
|
|
loadSubject.complete();
|
|
},
|
|
() => {
|
|
this.timeWindow.stDiff = 0;
|
|
loadSubject.next();
|
|
loadSubject.complete();
|
|
}
|
|
);
|
|
} else {
|
|
if (this.timeWindow) {
|
|
this.timeWindow.stDiff = 0;
|
|
}
|
|
loadSubject.next();
|
|
loadSubject.complete();
|
|
}
|
|
return loadSubject.asObservable();
|
|
}
|
|
}
|
|
|
|
function calculateMin(data: DataSet): number {
|
|
if (data.length > 0) {
|
|
let result = Number(data[0][1]);
|
|
for (let i = 1; i < data.length; i++) {
|
|
result = Math.min(result, Number(data[i][1]));
|
|
}
|
|
return result;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function calculateMax(data: DataSet): number {
|
|
if (data.length > 0) {
|
|
let result = Number(data[0][1]);
|
|
for (let i = 1; i < data.length; i++) {
|
|
result = Math.max(result, Number(data[i][1]));
|
|
}
|
|
return result;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function calculateAvg(data: DataSet): number {
|
|
if (data.length > 0) {
|
|
return calculateTotal(data) / data.length;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function calculateTotal(data: DataSet): number {
|
|
if (data.length > 0) {
|
|
let result = 0;
|
|
data.forEach((dataRow) => {
|
|
result += Number(dataRow[1]);
|
|
});
|
|
return result;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|