zeppelin-web-angular/src/app/visualizations/pie-chart/pie-chart-visualization.component.ts

/*
 * 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 {
  AfterViewInit,
  ChangeDetectionStrategy,
  Component,
  ElementRef,
  Inject,
  OnInit,
  ViewChild
} from '@angular/core';
import * as G2 from '@antv/g2';
import { GraphConfig } from '@zeppelin/sdk';

import { G2VisualizationComponentBase, Visualization, VISUALIZATION } from '@zeppelin/visualization';

import { VisualizationPivotSettingComponent } from '../common/pivot-setting/pivot-setting.component';

@Component({
  selector: 'zeppelin-pie-chart-visualization',
  templateUrl: './pie-chart-visualization.component.html',
  styleUrls: ['./pie-chart-visualization.component.less'],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class PieChartVisualizationComponent extends G2VisualizationComponentBase implements OnInit, AfterViewInit {
  @ViewChild('container', { static: false }) container!: ElementRef<HTMLDivElement>;
  @ViewChild(VisualizationPivotSettingComponent, { static: false })
  pivotSettingComponent!: VisualizationPivotSettingComponent;

  constructor(@Inject(VISUALIZATION) public visualization: Visualization) {
    super(visualization);
  }

  ngOnInit() {}

  refreshSetting(config: GraphConfig) {
    this.pivotSettingComponent.init();
  }

  setScale(_chart: G2.Chart) {
    // Noop
  }

  renderBefore(_config: GraphConfig, chart: G2.Chart) {
    chart.tooltip({
      showTitle: false
    });
    chart.coord('theta', {
      radius: 0.75
    });
    chart
      .intervalStack()
      .position('__value__')
      .color('__key__')
      .style({
        lineWidth: 1,
        stroke: '#fff'
      })
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      .tooltip('__key__*__value__', (name: any, value: any) => ({ name, value }));
  }

  ngAfterViewInit() {
    this.render();
  }
}