Merge pull request #42 from superandrew213/add-onPress

Add onPress

Author: somonus

src/components/Echarts/index.js

@@ -21,6 +21,7 @@ export default class App extends Component {
             height: this.props.height || 400,
           }}
           source={require('./tpl.html')}
+          onMessage={event => this.props.onPress ? this.props.onPress(JSON.parse(event.nativeEvent.data)) : null}
         />
       </View>
     );

src/components/Echarts/renderChart.js

@@ -9,5 +9,18 @@ export default function renderChart(props) {
     document.getElementById('main').style.width = "${width}";
     var myChart = echarts.init(document.getElementById('main'));
     myChart.setOption(${toString(props.option)});
+    myChart.on('click', function(params) {
+      var seen = [];
+      var paramsString = JSON.stringify(params, function(key, val) {
+        if (val != null && typeof val == "object") {
+          if (seen.indexOf(val) >= 0) {
+            return;
+          }
+          seen.push(val);
+        }
+        return val;
+      });
+      window.postMessage(paramsString);
+    });
   `
 }