doughnut-widget.component.ts 2.55 KB
///
/// Copyright © 2016-2024 The Thingsboard Authors
///
/// Licensed 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 { Component, Input, OnInit, TemplateRef, ViewChild, ViewEncapsulation } from '@angular/core';
import {
  doughnutDefaultSettings,
  doughnutPieChartSettings,
  DoughnutWidgetSettings
} from '@home/components/widget/lib/chart/doughnut-widget.models';
import { WidgetContext } from '@home/models/widget-component.models';
import { WidgetComponent } from '@home/components/widget/widget.component';
import { TranslateService } from '@ngx-translate/core';
import { isDefinedAndNotNull } from '@core/utils';
import { TbPieChart } from '@home/components/widget/lib/chart/pie-chart';
import {
  LatestChartComponent,
  LatestChartComponentCallbacks
} from '@home/components/widget/lib/chart/latest-chart.component';

@Component({
  selector: 'tb-doughnut-widget',
  templateUrl: './latest-chart-widget.component.html',
  styleUrls: [],
  encapsulation: ViewEncapsulation.None
})
export class DoughnutWidgetComponent implements OnInit {

  @ViewChild('latestChart')
  latestChart: LatestChartComponent;

  @Input()
  ctx: WidgetContext;

  @Input()
  widgetTitlePanel: TemplateRef<any>;

  settings: DoughnutWidgetSettings;

  callbacks: LatestChartComponentCallbacks;

  constructor(private widgetComponent: WidgetComponent,
              private translate: TranslateService) {
  }

  ngOnInit(): void {
    const params = this.widgetComponent.typeParameters as any;
    const horizontal  = isDefinedAndNotNull(params.horizontal) ? params.horizontal : false;
    this.ctx.$scope.doughnutWidget = this;
    this.settings = {...doughnutDefaultSettings(horizontal), ...this.ctx.settings};
    this.callbacks = {
      createChart: (chartShape, renderer) => {
        const settings = doughnutPieChartSettings(this.settings);
        return new TbPieChart(this.ctx, settings, chartShape.nativeElement, renderer, this.translate, true);
      }
    };
  }

  public onInit() {
    this.latestChart?.onInit();
  }

  public onDataUpdated() {
    this.latestChart?.onDataUpdated();
  }
}