Fix donut statistic (#1218)

Author: simaQ

src/plots/donut/component/statistic-template.ts

@@ -2,7 +2,7 @@
 const containerStyle =
   "color:#4d4d4d;font-size:14px;text-align:center;line-height:2;font-family:'-apple-system',BlinkMacSystemFont,'SegoeUI',Roboto,'HelveticaNeue',Helvetica,'PingFangSC','HiraginoSansGB','MicrosoftYaHei',SimSun,'sans-serif';pointer-events:none;";
 
-const nameStyle = 'font-weight:300;';
+const nameStyle = 'font-weight:300;white-space: nowrap;text-overflow: ellipsis;';
 
 const valueStyle = 'font-size:32px;font-weight:bold;color:#4D4D4D';
 

src/plots/donut/component/statistic.ts

@@ -35,6 +35,7 @@ export default class StatisticHtml {
       this.container.appendChild(this.wrapperNode);
       modifyCSS(this.wrapperNode, {
         position: 'absolute',
+        pointerEvents: 'none', // 阻止 dom 事件击穿
       });
       const htmlNode = createDom(this.html);
       this.wrapperNode.appendChild(htmlNode);