| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import {merge} from 'rxjs'; |
| import {tap, pluck, distinctUntilChanged} from 'rxjs/operators'; |
| |
| import {WellKnownOperationStatus} from 'app/types'; |
| import {IgniteChartController} from '../../controller'; |
| |
| const BLANK_STATUS = new Set([WellKnownOperationStatus.ERROR, WellKnownOperationStatus.WAITING]); |
| |
| export default class IgniteChartNoDataCtrl implements ng.IOnChanges, ng.IOnDestroy { |
| static $inject = ['AgentManager']; |
| |
| constructor(private AgentManager) {} |
| |
| igniteChart: IgniteChartController; |
| |
| handleClusterInactive: boolean; |
| |
| connectionState$ = this.AgentManager.connectionSbj.pipe( |
| pluck('state'), |
| distinctUntilChanged(), |
| tap((state) => { |
| if (state === 'AGENT_DISCONNECTED') |
| this.destroyChart(); |
| }) |
| ); |
| |
| cluster$ = this.AgentManager.connectionSbj.pipe( |
| pluck('cluster'), |
| distinctUntilChanged(), |
| tap((cluster) => { |
| if (!cluster && !this.AgentManager.isDemoMode()) { |
| this.destroyChart(); |
| return; |
| } |
| |
| if (!!cluster && cluster.active === false && this.handleClusterInactive) |
| this.destroyChart(); |
| |
| }) |
| ); |
| |
| subsribers$ = merge( |
| this.connectionState$, |
| this.cluster$ |
| ).subscribe(); |
| |
| $onChanges(changes) { |
| if (changes.resultDataStatus && BLANK_STATUS.has(changes.resultDataStatus.currentValue)) |
| this.destroyChart(); |
| } |
| |
| $onDestroy() { |
| this.subsribers$.unsubscribe(); |
| } |
| |
| destroyChart() { |
| if (this.igniteChart && this.igniteChart.chart) { |
| this.igniteChart.chart.destroy(); |
| this.igniteChart.config = null; |
| this.igniteChart.chart = null; |
| } |
| } |
| } |