feat(venn): 韦恩图交互增强（修复图例激活元素交互 & 增强active、highlight、selected交互）

__tests__/bugs/issue-2908-spec.ts

@@ -0,0 +1,51 @@
+import { Venn } from '../../src';
+import { createDiv } from '../utils/dom';
+
+describe('#2908, venn', () => {
+  const plot = new Venn(createDiv(), {
+    width: 400,
+    height: 500,
+    setsField: 'sets',
+    sizeField: 'size',
+    data: [
+      { sets: ['A'], size: 10, label: 'A' },
+      { sets: ['B'], size: 10, label: 'B' },
+    ],
+    interactions: [{ type: 'legend-active', enable: true }],
+  });
+  plot.render();
+
+  it('legend interaction', () => {
+    let labels = plot.chart.geometries[0].elements[0].shape
+      .getParent()
+      .getChildren()
+      .map((c) => c.get('origin').data.label);
+
+    expect(labels[0]).toBe('A');
+    expect(labels[1]).toBe('B');
+
+    const legendComponent = plot.chart.getController('legend').getComponents()[0];
+    const legendContainer = legendComponent.component.get('container');
+
+    const legendTarget = legendContainer.findById('-legend-item-A');
+    const box = legendTarget.getBBox();
+    plot.chart.emit('legend-item:mouseenter', {
+      x: (box.x + box.maxX) / 2,
+      y: (box.y + box.maxY) / 2,
+      target: legendTarget,
+    });
+
+    // 图例交互，还是保持原序
+    labels = plot.chart.geometries[0].elements[0].shape
+      .getParent()
+      .getChildren()
+      .map((c) => c.get('origin').data.label);
+
+    expect(labels[0]).toBe('A');
+    expect(labels[1]).toBe('B');
+  });
+
+  afterAll(() => {
+    plot.destroy();
+  });
+});

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

@@ -1,7 +1,12 @@
 import { IGroup } from '@antv/g-base';
 import InteractionContext from '@antv/g2/lib/interaction/context';
 import { Venn } from '../../../../src';
-import { VennElementActive, VennElementSelected } from '../../../../src/plots/venn/interaction/action';
+import { VennElementActive } from '../../../../src/plots/venn/interactions/actions/active';
+import { VennElementHighlight } from '../../../../src/plots/venn/interactions/actions/highlight';
+import {
+  VennElementSelected,
+  VennElementSingleSelected,
+} from '../../../../src/plots/venn/interactions/actions/selected';
 import { createDiv } from '../../../utils/dom';
 
 describe('venn', () => {
@@ -38,13 +43,12 @@ describe('venn', () => {
     });
 
     const context = new InteractionContext(plot.chart);
+    // @ts-ignore
     const vennElementActive = new VennElementActive(context);
 
     // 模拟 active
     context.event = {
-      data: {
-        data: plot.chart.getData()[0],
-      },
+      target: plot.chart.getElements()[0].shape,
     };
     vennElementActive.active();
 
@@ -60,9 +64,7 @@ describe('venn', () => {
 
     // 模拟 第二次 active
     context.event = {
-      data: {
-        data: plot.chart.getData()[1],
-      },
+      target: plot.chart.getElements()[1].shape,
     };
     vennElementActive.active();
 
@@ -82,7 +84,7 @@ describe('venn', () => {
     vennElementActive.destroy();
   });
 
-  it('venn: selected', () => {
+  it('venn-element-selected', () => {
     plot.update({
       state: {
         selected: {
@@ -98,13 +100,12 @@ describe('venn', () => {
     });
 
     const context = new InteractionContext(plot.chart);
+    // @ts-ignore
     const vennElementSelected = new VennElementSelected(context);
 
     // 模拟 selected
     context.event = {
-      data: {
-        data: plot.chart.getData()[0],
-      },
+      target: plot.chart.getElements()[0].shape,
     };
     vennElementSelected.toggle();
 
@@ -124,9 +125,7 @@ describe('venn', () => {
 
     // 模拟第二个元素的 selected
     context.event = {
-      data: {
-        data: plot.chart.getData()[1],
-      },
+      target: plot.chart.getElements()[1].shape,
     };
     vennElementSelected.toggle();
 
@@ -145,6 +144,98 @@ describe('venn', () => {
     vennElementSelected.destroy();
   });
 
+  it('venn-element-single-selected', () => {
+    plot.update({
+      state: {
+        selected: {
+          style: {
+            lineWidth: 2,
+          },
+        },
+      },
+      interactions: [
+        { type: 'venn-element-selected', enable: false },
+        { type: 'venn-element-single-selected', enable: true },
+      ],
+    });
+
+    const context = new InteractionContext(plot.chart);
+    // @ts-ignore
+    const vennElementSelected = new VennElementSingleSelected(context);
+
+    // 模拟 selected
+    context.event = {
+      target: plot.chart.getElements()[0].shape,
+    };
+    vennElementSelected.selected();
+
+    const elements = plot.chart.geometries[0].elements;
+
+    // 第一个元素 点击 有样式
+    expect(plot.getStates().length).toBe(1);
+    expect(plot.getStates()[0].state).toBe('selected');
+    expect(elements[0].getStates()[0]).toBe('selected');
+    expect((elements[0].shape as IGroup).getChildren()[0].attr('lineWidth')).toBe(2);
+
+    // 模拟 selected
+    context.event = {
+      target: plot.chart.getElements()[1].shape,
+    };
+    vennElementSelected.selected();
+    expect(plot.getStates().length).toBe(1);
+    expect(elements[0].getStates()[0]).toBeUndefined();
+    expect((elements[0].shape as IGroup).getChildren()[0].attr('lineWidth')).toBe(0);
+    expect(elements[1].getStates()[0]).toBe('selected');
+
+    // 所有元素的 selected state 为 false
+    vennElementSelected.reset();
+    vennElementSelected.destroy();
+  });
+
+  it('venn-element-highlight', () => {
+    plot.update({
+      state: {
+        inactive: {
+          style: {
+            fillOpacity: 0.3,
+          },
+        },
+      },
+      interactions: [
+        { type: 'venn-element-single-selected', enable: false },
+        { type: 'venn-element-active', enable: false },
+        { type: 'venn-element-highlight', enable: true },
+      ],
+    });
+
+    const context = new InteractionContext(plot.chart);
+    // @ts-ignore
+    const action = new VennElementHighlight(context);
+
+    // 模拟 selected
+    context.event = {
+      target: plot.chart.getElements()[0].shape,
+    };
+    action.highlight();
+    const elements = plot.chart.geometries[0].elements;
+    // 第一个元素 点击 有样式
+    expect(elements[0].getStates()[0]).toBe('active');
+    expect((elements[0].shape as IGroup).getChildren()[0].attr('fillOpacity')).not.toBe(0.3);
+    expect(elements[1].getStates()[0]).toBe('inactive');
+    expect((elements[1].shape as IGroup).getChildren()[0].attr('fillOpacity')).toBe(0.3);
+    action.toggle();
+
+    context.event = {
+      target: plot.chart.getElements()[1].shape,
+    };
+    action.toggle();
+    expect(elements[0].getStates().includes('inactive')).toBe(true);
+    expect((elements[0].shape as IGroup).getChildren()[0].attr('fillOpacity')).toBe(0.3);
+    expect((elements[1].shape as IGroup).getChildren()[0].attr('fillOpacity')).not.toBe(0.3);
+
+    action.destroy();
+  });
+
   afterAll(() => {
     plot.destroy();
   });

docs/api/plots/venn.en.md

@@ -24,6 +24,10 @@ Configure the chart data source. For example：
    ];
 ```
 
+```sign
+💡 注意：这里的数据是包含交集部分的数据量的。如上数据源，含有两个集合：`A` 和 `B`, 其中：`{ sets: ['A'], size: 5 }` 代表的是含有 A 集合的有 5 个（其实有 2 个是包含 B 集合的）
+```
+
 #### setsField
 
 <description>**optional** _string_</description>
@@ -135,14 +139,16 @@ Default configuration:
 `markdown:docs/common/tooltip.en.md`
 
 
-### Plot Interactions
+### Plot Interactions ✨
 
 There are interactions for venn diagrams, listed below:
 
 | interaction | description | configuration method |
 | ---|--|--|
-| venn-element-active | enable the "mouse-over venn diagram element triggers active" interaction | `interactions:[{ type: 'venn-element-active', enabled: true }]` |
-| venn-element-selected | enable the interaction "trigger selected when mouse clicked on venn diagram element", multiple options available | `interactions:[{ type: 'venn-element-selected', enabled: true }]` |
+| venn-element-active | enable the "mouse-over venn diagram element triggers active" interaction | `interactions:[{ type: 'venn-element-active'}]` |
+| venn-element-selected | enable the interaction "trigger selected when mouse clicked on venn diagram element", multiple options available | `interactions:[{ type: 'venn-element-selected'}]` |
+| venn-element-single-selected | enable the interaction "trigger selected when mouse clicked on venn diagram element", single selected | `interactions:[{ type: 'venn-element-single-selected'}]` |
+| venn-element-highlight | enable the interaction "trigger highlight when mouse clicked on venn diagram element" | `interactions:[{ type: 'venn-element-highlight'}]` |
 
 `markdown:docs/common/interactions.en.md`
 

docs/api/plots/venn.zh.md

@@ -13,15 +13,18 @@ order: 12
 
 <description>**required** _object_</description>
 
-设置图表数据源。数据源为对象集合，例如：
+设置图表数据源。数据源为对象集合. 例如：
 
 ```ts
- const data = [
-    { sets: ['A'], size: 5 },
-    { sets: ['B'], size: 10 },
-    { sets: ['A', 'B'], size: 2 },
-    ...
-   ];
+const data = [
+  { sets: ['A'], size: 5 },
+  { sets: ['B'], size: 10 },
+  { sets: ['A', 'B'], size: 2 },
+];
+```
+
+```sign
+💡 注意：这里的数据是包含交集部分的数据量的。如上数据源，含有两个集合：`A` 和 `B`, 其中：`{ sets: ['A'], size: 5 }` 代表的是含有 A 集合的有 5 个（其实有 2 个是包含 B 集合的）
 ```
 
 #### setsField
@@ -133,14 +136,16 @@ order: 12
 
 `markdown:docs/common/tooltip.zh.md`
 
-### 图表交互
+### 图表交互 ✨
 
 内置了针对 venn 图交互，列表如下:
 
 | 交互 | 描述 | 配置方式 |
 | ---|---|---|
-| venn-element-active | 开启「鼠标移入 venn 图元素时触发 active」的交互 | `interactions:[{ type: 'venn-element-active', enabled: true }]`  |
-| venn-element-selected | 开启「鼠标点击 venn 图元素时触发 selected」的交互，可多选 | `interactions:[{ type: 'venn-element-selected', enabled: true }]` |
+| venn-element-active | 开启「鼠标移入 venn 图元素时触发 active」的交互 | `interactions:[{ type: 'venn-element-active' }]`  |
+| venn-element-selected | 开启「鼠标点击 venn 图元素时触发 selected」的交互，可多选 | `interactions:[{ type: 'venn-element-selected' }]` |
+| venn-element-single-selected | 开启「鼠标点击 venn 图元素时触发 selected」的交互，单选 | `interactions:[{ type: 'venn-element-single-selected' }]` |
+| venn-element-highlight | 开启「鼠标点击 venn 图元素时触发 高亮」的交互 | `interactions:[{ type: 'venn-element-highlight' }]` |
 
 `markdown:docs/common/interactions.zh.md`