diff --git a/src/components/MapViewer/AreaWidget.jsx b/src/components/MapViewer/AreaWidget.jsx
index eccaf128..60390ee6 100644
--- a/src/components/MapViewer/AreaWidget.jsx
+++ b/src/components/MapViewer/AreaWidget.jsx
@@ -1,6 +1,7 @@
 import React, { createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 
 var Graphic, Extent, WMSLayer, GroupLayer;
 
diff --git a/src/components/MapViewer/LegendWidget.jsx b/src/components/MapViewer/LegendWidget.jsx
index 357f0d21..36593565 100644
--- a/src/components/MapViewer/LegendWidget.jsx
+++ b/src/components/MapViewer/LegendWidget.jsx
@@ -1,6 +1,7 @@
 import React, {createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 var Legend;
 
 class LegendWidget extends React.Component {
diff --git a/src/components/MapViewer/MapViewer.jsx b/src/components/MapViewer/MapViewer.jsx
index 1821a1ad..2db0b6b7 100644
--- a/src/components/MapViewer/MapViewer.jsx
+++ b/src/components/MapViewer/MapViewer.jsx
@@ -1,103 +1,167 @@
-import React, { createRef } from 'react';
-import './ArcgisMap.css';
-import classNames from 'classnames';
+import React, { createRef } from "react";
+//import intl from "@arcgis/intl";
+import {setLocale} from "@arcgis/core/intl";
+import "@arcgis/core/assets/esri/css/main.css";
+import "./ArcgisMap.css";
 import BasemapWidget from './BasemapWidget';
+import MeasurementWidget from './MeasurementWidget';
+import PrintWidget from './PrintWidget';
+import AreaWidget from './AreaWidget';
+import ScaleWidget from './ScaleWidget';
+import LegendWidget from './LegendWidget';
+import MenuWidget from './MenuWidget';
 import { loadModules, loadCss } from 'esri-loader';
 var Map, MapView, Zoom;
 
 class MapViewer extends React.Component {
-  /**
-   * This method does the creation of the main component
-   * @param {*} props
-   */
-  constructor(props) {
-    super(props);
-    loadCss();
-    //we create a reference to the DOM element that will
-    //be later mounted. We will use the reference that we
-    //create here to reference the DOM element from javascript
-    //code, for example, to create later a MapView component
-    //that will use the map div to show the map
-    this.mapdiv = createRef();
-    this.mapCfg = props.cfg.Map;
-    this.map = null;
-    this.id = props.id;
-    this.mapClass = classNames('map-container', {
-      [`${props.customClass}`]: props.customClass || null,
-    });
-  }
+    /**
+     * This method does the creation of the main component 
+     * @param {*} props 
+     */
+    constructor(props) {
+        super(props);
+        loadCss();
+        //we create a reference to the DOM element that will
+        //be later mounted. We will use the reference that we
+        //create here to reference the DOM element from javascript
+        //code, for example, to create later a MapView component 
+        //that will use the map div to show the map
+        setLocale("en");
+        this.mapdiv = createRef();
+        this.mapCfg = props.cfg.Map;
+        this.compCfg = props.cfg.Components;
+        this.map = new Map({
+            basemap: "topo"
+        });
+        this.activeWidget = null;
+    }
+    
+    loader() {
+      return loadModules([
+        'esri/WebMap',
+        'esri/views/MapView',
+        'esri/widgets/Zoom',
+      ]).then(([_Map, _MapView, _Zoom]) => {
+        [Map, MapView, Zoom] = [_Map, _MapView, _Zoom];
+      });
+    }
 
-  loader() {
-    return loadModules([
-      'esri/WebMap',
-      'esri/views/MapView',
-      'esri/widgets/Zoom',
-    ]).then(([_Map, _MapView, _Zoom]) => {
-      [Map, MapView, Zoom] = [_Map, _MapView, _Zoom];
-    });
-  }
+    /**
+     * Once the component has been mounted in the screen, this method
+     * will be executed, so we can access to the DOM elements, since
+     * they are already mounted
+     */
+     async componentDidMount() {
+        await this.loader();
+        // this.mapdiv.current is the reference to the current DOM element of 
+        // this.mapdiv after it was mounted by the render() method
+        setLocale("en-GB");
+        this.view = new MapView({
+            container: this.mapdiv.current,
+            map: this.map,
+            center: this.mapCfg.center,
+            zoom: this.mapCfg.zoom,
+            ui: {
+                components: ["attribution"]
+            }
+        });
+        this.zoom = new Zoom({
+            view: this.view
+        });
+        this.view.ui.add(this.zoom, {
+            position: "top-right"
+        });
 
-  /**
-   * Once the component has been mounted in the screen, this method
-   * will be executed, so we can access to the DOM elements, since
-   * they are already mounted
-   */
-  async componentDidMount() {
-    await this.loader();
-    // this.mapdiv.current is the reference to the current DOM element of
-    // this.mapdiv after it was mounted by the render() method
-    this.map = new Map({
-      basemap: 'topo-vector',
-    });
-    this.view = new MapView({
-      container: this.mapdiv.current,
-      map: this.map,
-      center: this.mapCfg.center,
-      zoom: this.mapCfg.zoom,
-      ui: {
-        components: ['attribution'],
-      },
-    });
-    this.zoom = new Zoom({
-      view: this.view,
-    });
-    this.view.ui.add(this.zoom, {
-      position: 'top-right',
-    });
+        //Once we have created the MapView, we need to ensure that the map div
+        //is refreshed in order to show the map on it. To do so, we need to
+        //trigger the renderization again, and to trigger the renderization
+        //we invoke the setState method, that changes the state and forces a
+        //react component to render itself again
+        this.setState({});
+    }
 
-    //Once we have created the MapView, we need to ensure that the map div
-    //is refreshed in order to show the map on it. To do so, we need to
-    //trigger the renderization again, and to trigger the renderization
-    //we invoke the setState method, that changes the state and forces a
-    //react component to render itself again
-    this.setState({});
-  }
+    setActiveWidget(widget){
+        if(!widget){
+            this.activeWidget = null;
+            return;
+        }
+        if(this.activeWidget === widget) return;
+        this.closeActiveWidget();
+        this.activeWidget = widget;
+    }
+    closeActiveWidget(){
+        if(this.activeWidget){
+            this.activeWidget.openMenu();
+            this.activeWidget = null;
+        }
+    }
 
-  /**
-   * This method evaluates the ability to render the basemaps widget and
-   * returns the jsx allowing such a render (if conditions are ok)
-   * @returns jsx
-   */
-  renderBasemap() {
-    if (this.view) return <BasemapWidget view={this.view} />;
-  }
+    /**
+     * This method evaluates the ability to render the basemaps widget and
+     * returns the jsx allowing such a render (if conditions are ok)
+     * @returns jsx
+     */
+    renderBasemap() {
+        if (this.view)
+            return <BasemapWidget view={this.view} mapViewer={this}/>
+    }
 
-  /**
-   * This method renders the map viewer, invoking if necessary the methods
-   * to render the other widgets to display
-   * @returns jsx
-   */
-  render() {
-    // we use a reference (ref={this.mapdiv}) in order to reference a
-    // DOM element to be mounted (but not yet mounted)
-    return (
-      <div className={this.mapClass} id={this.id}>
-        <div ref={this.mapdiv} className="map">
-          {this.renderBasemap()}
-        </div>
-      </div>
-    );
-  }
+    renderLegend(){
+        if(this.view)
+            return <LegendWidget view={this.view} mapViewer={this}/>
+    }
+    
+    renderMeasurement() {
+        if (this.view)
+            return <MeasurementWidget view={this.view} mapViewer={this}/>
+    }
+
+    renderPrint() {
+        if (this.view)
+            return <PrintWidget view={this.view} mapViewer={this}/>
+    }
+
+    renderArea() {
+        if (this.view)
+            return <AreaWidget view={this.view}  map={this.map} mapViewer={this}/>
+    }
+
+    renderScale() {
+        if (this.view)
+            return <ScaleWidget view={this.view} mapViewer={this}/>
+    }
+
+    renderMenu() {
+        if (this.view)
+            return <MenuWidget view={this.view}  conf={this.compCfg} map={this.map} mapViewer={this}/> //call conf 
+    }
+
+
+   
+    
+    /**
+     * This method renders the map viewer, invoking if necessary the methods
+     * to render the other widgets to display
+     * @returns jsx
+     */
+    render(){
+        // we use a reference (ref={this.mapdiv}) in order to reference a
+        // DOM element to be mounted (but not yet mounted)
+        return(
+            <div className="map-container">
+                <div ref={this.mapdiv} className="map">
+                    {this.renderBasemap()}
+                    {this.renderLegend()}
+                    {this.renderMeasurement()}
+                    {this.renderPrint()}
+                    {this.renderArea()}
+                    {this.renderScale()}
+                    {this.renderMenu()}
+                    
+                </div>
+            </div>
+        )
+    }
 }
 
 export default MapViewer;
diff --git a/src/components/MapViewer/MeasurementWidget.jsx b/src/components/MapViewer/MeasurementWidget.jsx
index 779fd548..b55a2a0c 100644
--- a/src/components/MapViewer/MeasurementWidget.jsx
+++ b/src/components/MapViewer/MeasurementWidget.jsx
@@ -1,6 +1,7 @@
 import React, { createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 var Measurement;
 
 class MeasurementWidget extends React.Component {
diff --git a/src/components/MapViewer/MenuWidget.jsx b/src/components/MapViewer/MenuWidget.jsx
index 6542a815..021362b8 100644
--- a/src/components/MapViewer/MenuWidget.jsx
+++ b/src/components/MapViewer/MenuWidget.jsx
@@ -2,6 +2,7 @@ import React, { createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./lib/font-awesome/css/all.min.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 var WMSLayer;
 
 class MenuWidget extends React.Component {
diff --git a/src/components/MapViewer/PrintWidget.jsx b/src/components/MapViewer/PrintWidget.jsx
index e85f430b..05e62d78 100644
--- a/src/components/MapViewer/PrintWidget.jsx
+++ b/src/components/MapViewer/PrintWidget.jsx
@@ -1,6 +1,7 @@
 import React, { createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 var Print;
 
 class PrintWidget extends React.Component {
diff --git a/src/components/MapViewer/ScaleWidget.jsx b/src/components/MapViewer/ScaleWidget.jsx
index a1fbee3f..581021d0 100644
--- a/src/components/MapViewer/ScaleWidget.jsx
+++ b/src/components/MapViewer/ScaleWidget.jsx
@@ -1,6 +1,7 @@
 import React, { createRef } from "react";
 import "@arcgis/core/assets/esri/css/main.css";
 import "./ArcgisMap.css";
+import { loadModules } from 'esri-loader';
 var ScaleBar;
 
 class ScaleWidget extends React.Component {