fix(pie): 修复饼图中心文本交互问题 (#2923)

* fix(pie): 修复饼图中心文本交互问题

close: #2285
refactor 文件目录组织

* fix: 修复单测文件引用路径

__tests__/unit/plots/pie/html-statistic-spec.ts

@@ -1,6 +1,6 @@
 import InteractionContext from '@antv/g2/lib/interaction/context';
 import { Pie } from '../../../../src';
-import { StatisticAction } from '../../../../src/plots/pie/interactions/pie-statistic-action';
+import { StatisticAction } from '../../../../src/plots/pie/interactions/actions/statistic-active';
 import { POSITIVE_NEGATIVE_DATA } from '../../../data/common';
 import { createDiv } from '../../../utils/dom';
 import { delay } from '../../../utils/delay';

__tests__/unit/plots/pie/interaction-spec.ts

@@ -4,7 +4,7 @@ import { deepMix } from '@antv/util';
 import { delay } from '../../../utils/delay';
 import { createDiv } from '../../../utils/dom';
 import { Pie } from '../../../../src';
-import { StatisticAction } from '../../../../src/plots/pie/interactions/pie-statistic-action';
+import { StatisticAction } from '../../../../src/plots/pie/interactions/actions/statistic-active';
 import { transformStatisticOptions } from '../../../../src/plots/pie/adaptor';
 
 describe('register interaction', () => {

src/plots/pie/interactions/pie-legend-action.ts → src/plots/pie/interactions/actions/legend-active.ts

@@ -1,7 +1,7 @@
 import { IElement, IGroup } from '@antv/g-base';
 import { Util, Element, Action } from '@antv/g2';
 import { isEqual } from '@antv/util';
-import { transform } from '../../../utils/matrix';
+import { transform } from '../../../../utils/matrix';
 
 /**
  * 饼图 图例激活 action

src/plots/pie/interactions/pie-statistic-action.ts → src/plots/pie/interactions/actions/statistic-active.ts

@@ -1,8 +1,10 @@
 import { View, Action, Util, Types } from '@antv/g2';
 import { each, get } from '@antv/util';
-import { PieOptions } from '..';
-import { Annotation } from '../../../types/annotation';
-import { renderStatistic } from '../../../utils/statistic';
+import { Annotation } from '../../../../types/annotation';
+import { renderStatistic } from '../../../../utils/statistic';
+import { PieOptions } from '../../types';
+import { getCurrentElement } from '../util';
+
 /**
  * Pie 中心文本事件的 Action
  */
@@ -60,6 +62,12 @@ export class StatisticAction extends Action {
       renderStatistic(view, { statistic, plotType: 'pie' }, data);
       view.render(true);
     }
+
+    // 交互的时候，把 shape 提前
+    const ele = getCurrentElement(this.context);
+    if (ele) {
+      ele.shape.toFront();
+    }
   }
 
   public reset() {

src/plots/pie/interactions/index.ts

@@ -1,6 +1,6 @@
 import { registerAction, registerInteraction } from '@antv/g2';
-import { PieLegendAction } from './pie-legend-action';
-import { StatisticAction } from './pie-statistic-action';
+import { PieLegendAction } from './actions/legend-active';
+import { StatisticAction } from './actions/statistic-active';
 
 export const PIE_STATISTIC = 'pie-statistic';
 

src/plots/pie/interactions/util.ts

@@ -0,0 +1,16 @@
+import { Element } from '@antv/g2';
+
+/**
+ * 获取当前事件相关的图表元素
+ * @param context 交互的上下文
+ * @ignore
+ */
+export function getCurrentElement(context): Element | undefined {
+  const event = context.event;
+  let element;
+  const target = event.target;
+  if (target) {
+    element = target.get('element');
+  }
+  return element;
+}