update

ts_web/elements/00group-chart/dees-chart-donut/component.ts

@@ -0,0 +1,129 @@
+import {
+  customElement,
+  property,
+  type TemplateResult,
+} from '@design.estate/dees-element';
+
+import { DeesChartEchartsBase } from '../dees-chart-echarts-base.js';
+import { demoFunc } from './demo.js';
+import { donutStyles } from './styles.js';
+import { renderChartDonut } from './template.js';
+import { getEchartsSeriesColors } from '../dees-chart-echarts-theme.js';
+
+export interface IDonutDataItem {
+  name: string;
+  value: number;
+  color?: string;
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'dees-chart-donut': DeesChartDonut;
+  }
+}
+
+@customElement('dees-chart-donut')
+export class DeesChartDonut extends DeesChartEchartsBase {
+  public static demo = demoFunc;
+  public static demoGroups = ['Chart'];
+
+  @property({ type: Array })
+  accessor data: IDonutDataItem[] = [];
+
+  @property({ type: Boolean })
+  accessor showLegend: boolean = true;
+
+  @property({ type: Boolean })
+  accessor showLabels: boolean = true;
+
+  @property({ type: String })
+  accessor innerRadiusPercent: string = '55%';
+
+  @property({ attribute: false })
+  accessor valueFormatter: (value: number) => string = (val) => `${val}`;
+
+  public static styles = donutStyles;
+
+  public render(): TemplateResult {
+    return renderChartDonut(this);
+  }
+
+  public async updated(changedProperties: Map<string, any>) {
+    super.updated(changedProperties);
+    if (
+      this.chartInstance &&
+      (changedProperties.has('data') ||
+        changedProperties.has('showLegend') ||
+        changedProperties.has('showLabels') ||
+        changedProperties.has('innerRadiusPercent'))
+    ) {
+      this.updateChart();
+    }
+  }
+
+  protected buildOption(): Record<string, any> {
+    const seriesColors = getEchartsSeriesColors(this.goBright);
+    const data = this.data.map((item, index) => ({
+      name: item.name,
+      value: item.value,
+      itemStyle: item.color ? { color: item.color } : { color: seriesColors[index % seriesColors.length] },
+    }));
+
+    const formatter = this.valueFormatter;
+
+    return {
+      tooltip: {
+        trigger: 'item',
+        formatter: (params: any) => {
+          return `${params.marker} ${params.name}: <strong>${formatter(params.value)}</strong> (${params.percent}%)`;
+        },
+      },
+      legend: this.showLegend
+        ? {
+            orient: 'vertical',
+            right: 16,
+            top: 'center',
+            itemWidth: 10,
+            itemHeight: 10,
+            itemGap: 12,
+            formatter: (name: string) => {
+              const item = this.data.find((d) => d.name === name);
+              return item ? `${name}  ${formatter(item.value)}` : name;
+            },
+          }
+        : { show: false },
+      series: [
+        {
+          type: 'pie',
+          radius: [this.innerRadiusPercent, '85%'],
+          center: this.showLegend ? ['35%', '50%'] : ['50%', '50%'],
+          avoidLabelOverlap: true,
+          itemStyle: {
+            borderRadius: 4,
+            borderColor: 'transparent',
+            borderWidth: 2,
+          },
+          label: this.showLabels
+            ? {
+                show: true,
+                formatter: '{b}: {d}%',
+                fontSize: 11,
+              }
+            : { show: false },
+          emphasis: {
+            itemStyle: {
+              shadowBlur: 10,
+              shadowOffsetX: 0,
+              shadowColor: 'rgba(0, 0, 0, 0.2)',
+            },
+            label: {
+              show: true,
+              fontWeight: 'bold',
+            },
+          },
+          data,
+        },
+      ],
+    };
+  }
+}