GeoJSON data is now saved into one array. Also added min and max zoom, and...

GeoJSON data is now saved into one array. Also added min and max zoom, and removed zoom control from top left corner Indentations are probably ruined

src/components/DrawTools.js

@@ -5,11 +5,27 @@ import {
 } from 'react-leaflet'
 
 class DrawTools extends Component {
+	constructor(props){
+	  super(props);
+	  this.state = {
+		  geoJSONAll: [] // property for all GeoJSON data in the map
+	  }
+  }
+  
 	_onCreated = (e) => {
 		let type = e.layerType; // from the example; isn't used right now, but may be relevant in the future
-		let layer = e.layer;		
-		let geoJSON = layer.toGeoJSON();
-		console.log(JSON.stringify(geoJSON, null, 4)); // makes the output readable in the console
+		let layer = e.layer;
+    this.makeGeoJSON(e.layer);
+	}
+
+  // turn layer to GeoJSON data and add it to an array of all GeoJSON data of the current map
+	makeGeoJSON = (e) => {
+    let geoJSON = e.toGeoJSON();
+    let newGeoJSONAll = this.state.geoJSONAll;
+    newGeoJSONAll.push(geoJSON);
+    this.setState({geoJSONAll: newGeoJSONAll});
+    console.log(JSON.stringify(geoJSON, null, 4)); // printing GeoJSON data of the previous object create
+    console.log("newGeoJSONAll.length: " + newGeoJSONAll.length);
 	}
 	
 	render() {