Merge pull request #194 from vueblocks/barPieChart

fix: 优化悬浮图的默认位置信息，确保其内容不会被遮挡或超出图表容器

Author: xiaojingha

docs/component-extension.md

@@ -12,7 +12,6 @@
 <script>
  module.exports = {
     created () {
-
       this.chartData = {
         dimensions: {
         name: 'date',
@@ -739,13 +738,13 @@
             show: true
           },
           color: ['#426fff', '#40adff', '#3fdace', '#18bdb0', '#ffda3e', '#ffa900', '#83dd89', '#bedf65', '#956bfd', '#f67bb2'],
-          toFix: 3,
+          toFix: 2,
           contentSize: {
-            width: '500px',
-            height: '200px'
+            width: '300px',
+            height: '130px'
           },
           legendShow: {
-            value: true,
+            value: false,
             percent: true
           }
         }

src/packages/barpie/chart.js

@@ -113,19 +113,15 @@ class BarpieChart extends BaseChart {
       axisPointer: { // 坐标轴指示器，坐标轴触发有效
         type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
       },
-      position: function (pos, params, dom, rect, size) {
-        // 鼠标在左侧时 tooltip 显示到右侧，鼠标在右侧时 tooltip 显示到左侧。
-        let obj = { top: pos[1] - 200 }
-        obj[['left', 'right'][+(pos[0] < size.viewSize[0] / 2)]] = 5
-        return obj
-      },
       show: true,
       enterable: true,
       hideDelay: 500,
       backgroundColor: 'rgb(255,255,255,0.94)',
       textStyle: {
         color: 'black'
       },
+      transitionDuration: 0.4,
+      confine: true,
       ...tooltipOptions,
       formatter: (params) => {
         let dax = params[0].dataIndex