diff --git a/config/rzl.js b/config/rzl.js
index 6342361..840a383 100644
--- a/config/rzl.js
+++ b/config/rzl.js
@@ -122,7 +122,7 @@ const config : Config = {
     led_stahltrager: {
       name: "LED Stahlträger",
       position: [380, 300],
-      icon: "white-balance-iridescent mdi-rotate-90",
+      icon: "white-balance-iridescent rotate-90",
       iconColor: state => state.led_stahltraeger == "on" ? utils.rainbow : "#000000",
       ui: [
         {
@@ -150,7 +150,7 @@ const config : Config = {
     twinkle: {
       name: "Twinkle",
       position: [530, 560],
-      icon: "led-off mdi-flip-v",
+      icon: "led-off flip-v",
       iconColor: state => state.twinkle == "on" ? utils.rainbow : "#000000",
       ui: [
         {
@@ -399,18 +399,30 @@ const config : Config = {
       baseLayer: true,
       name: "RaumZeitLabor",
       defaultVisibility: "visible",
-      opacity: 0.7
+      opacity: 0.7,
+      bounds: {
+        topLeft: [0, 0],
+        bottomRight: [1000, 700]
+      }
     },
     {
       image: require("../img/layers/rzl/details.svg"),
       name: "Details",
       defaultVisibility: "visible",
-      opacity: 0.4
+      opacity: 0.4,
+      bounds: {
+        topLeft: [0, 0],
+        bottomRight: [1000, 700]
+      }
     },
     {
       image: require("../img/layers/rzl/labels.svg"),
       name: "Labels",
-      defaultVisibility: "visible"
+      defaultVisibility: "visible",
+      bounds: {
+        topLeft: [0, 0],
+        bottomRight: [1000, 700]
+      }
     }
   ]
 };
diff --git a/src/components/App.js b/src/components/App.js
new file mode 100644
index 0000000..528aa6a
--- /dev/null
+++ b/src/components/App.js
@@ -0,0 +1,63 @@
+// @flow
+import React from "react";
+
+import MuiThemeProvider from "material-ui/styles/MuiThemeProvider";
+import createMuiTheme from "material-ui/styles/createMuiTheme";
+import withStyles from "material-ui/styles/withStyles";
+import * as Colors from "material-ui/colors";
+
+import SideBar from "components/SideBar";
+import ControlMap from "components/ControlMap";
+
+export type AppProps = {
+  config: Config
+};
+
+export type AppState = {
+  selectedControl: string
+};
+
+class App extends React.Component<AppProps & Classes> {
+  constructor(props: AppProps & Classes) {
+    super(props);
+  }
+
+  static styles(_theme: Object) {
+    return {
+      drawerPaper: {
+        width: 320
+      }
+    };
+  }
+
+  get theme() {
+    return createMuiTheme({
+      palette: {
+        primary: Colors[this.props.config.space.color]
+      }
+    });
+  }
+
+  get selectedControl(): Control {
+    return this.props.config.controls[this.state.selectedControl];
+  }
+
+  // <SpaceMapBar title={`${this.props.config.space.name} Map`} />
+  render() {
+    return (
+      <div>
+        <MuiThemeProvider theme={this.theme}>
+          <div>
+            {false && <SideBar />}
+          </div>
+        </MuiThemeProvider>
+        <ControlMap width={1000} height={700} zoom={0}
+          layers={this.props.config.layers}
+          controls={this.props.config.controls}
+        />
+      </div>
+    );
+  }
+}
+
+export default withStyles(App.styles)(App);
diff --git a/src/components/ControlMap.js b/src/components/ControlMap.js
new file mode 100644
index 0000000..26b9dc5
--- /dev/null
+++ b/src/components/ControlMap.js
@@ -0,0 +1,86 @@
+// @flow
+import React from "react";
+import { Map, ImageOverlay, Marker, LayersControl } from "react-leaflet";
+import Leaflet from "leaflet";
+
+export type Point = [number, number];
+
+const convertPoint = (p: Point) => [-p[1], p[0]];
+
+export type ControlMapProps = {
+  width: number,
+  height: number,
+  zoom: number,
+  layers: Array<Layer>,
+  controls: Controls
+};
+
+export default class ControlMap extends React.Component<ControlMapProps> {
+  constructor(props: SpaceMapProps) {
+    super(props);
+  }
+
+  get center(): Point {
+    return convertPoint([
+      this.props.width / 2,
+      this.props.height / 2
+    ]);
+  }
+
+  render() {
+    return (
+      <Map center={this.center}
+        zoom={this.props.zoom}
+        crs={Leaflet.CRS.Simple}>
+        {this.renderMarkers()}
+        {this.renderLayers()}
+      </Map>
+    );
+  }
+
+  renderMarkers() {
+    return Object.values(this.props.controls).map(this.renderMarker.bind(this));
+  }
+
+  createLeafletIcon(iconRaw: string) {
+    const icon = iconRaw.split(" ").map(name => "mdi-".concat(name)).join(" ");
+    return Leaflet.divIcon({
+      className: `mdi mdi-36px ${icon}`,
+      iconSize: Leaflet.point(36, 36),
+      iconAnchor: Leaflet.point(18, 18)
+    });
+  }
+
+  renderMarker(control: Control) {
+    return (
+      <Marker position={convertPoint(control.position)}
+        key={control.name}
+        icon={this.createLeafletIcon(control.icon)}
+      >
+      </Marker>
+    );
+  }
+
+  renderLayers() {
+    return (
+      <LayersControl position="topright">
+        {this.props.layers.map(this.renderLayer)}
+      </LayersControl>
+    );
+  }
+
+  renderLayer(layer: Layer) {
+    const LayersControlType =
+      layer.baseLayer ? LayersControl.BaseLayer : LayersControl.Overlay;
+    return (
+      <LayersControlType
+        key={layer.name}
+        name={layer.name}
+        checked={layer.defaultVisibility === "visible"}>
+        <ImageOverlay url={layer.image}
+          bounds={Object.values(layer.bounds).map(convertPoint)}
+          opacity={layer.opacity} />
+      </LayersControlType>
+    );
+  }
+}
diff --git a/src/components/SideBar.js b/src/components/SideBar.js
new file mode 100644
index 0000000..421025b
--- /dev/null
+++ b/src/components/SideBar.js
@@ -0,0 +1,62 @@
+// @flow
+import React from "react";
+
+import withStyles from "material-ui/styles/withStyles";
+import Drawer from "material-ui/Drawer";
+import Typography from "material-ui/Typography";
+import IconButton from "material-ui/IconButton";
+import AppBar from "material-ui/AppBar";
+import Toolbar from "material-ui/Toolbar";
+import List from "material-ui/List";
+
+export type SideBarProps = {
+  control: Control,
+  onCloseRequest: () => void
+};
+
+export type SideBarState = {
+};
+
+class SideBar extends React.Component<SideBarProps & Classes, SideBarState> {
+  constructor(props: SideBarProps & Classes) {
+    super(props);
+  }
+
+  static styles(_theme: Object): Object {
+    return {
+      drawerPaper: {
+        width: 320
+      }
+    };
+  }
+
+  close() {
+    this.props.onCloseRequest();
+  }
+
+  render() {
+    return (
+      <Drawer open={true}
+        anchor="right"
+        onRequestClose={this.close}
+        classes={{paper: this.props.classes.drawerPaper}}
+        type="persistent"
+      >
+        <AppBar position="static">
+          <Toolbar>
+            <IconButton onClick={this.close}>
+              <i className="mdi mdi-format-horizontal-align-right mdi-36px"></i>
+            </IconButton>
+            <Typography type="title">
+              {this.props.control.name}
+            </Typography>
+          </Toolbar>
+        </AppBar>
+        <List id="drawer_uiComponents">
+        </List>
+      </Drawer>
+    );
+  }
+}
+
+export default withStyles(SideBar.styles)(SideBar);
diff --git a/src/index.jsx b/src/index.jsx
index 3c098e6..3e9376d 100644
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -1,24 +1,11 @@
 // @flow
 import React from "react";
 import ReactDOM from "react-dom";
-import MuiThemeProvider from "material-ui/styles/MuiThemeProvider";
-import createMuiTheme from "material-ui/styles/createMuiTheme";
-import withStyles from "material-ui/styles/withStyles";
-import Drawer from "material-ui/Drawer";
 import injectTapEventPlugin from "react-tap-event-plugin";
-import { store, Actions } from "./state";
-import connectMqtt from "./mqtt";
-import SpaceMapBar from "./appbar";
-import * as UiItems from "./UiItems.js";
-import SpaceMap from "./map.js";
-import R from "ramda";
+
+import App from "components/App";
+
 import Config from "./config";
-import Toolbar from "material-ui/Toolbar";
-import * as colors from "material-ui/colors";
-import Typography from "material-ui/Typography";
-import List from "material-ui/List";
-import IconButton from "material-ui/IconButton";
-import AppBar from "material-ui/AppBar";
 
 import "../node_modules/mdi/css/materialdesignicons.min.css";
 import "../css/styles.css";
@@ -27,67 +14,4 @@ injectTapEventPlugin();
 
 document.title = `${Config.space.name} Map`;
 
-const UiItem = (state) => (props : ControlUI) =>
-  UiItems[props.type](state, props);
-
-const renderUi = (state: State, key: ?string) =>
-  key != null && Config.controls[key] != null ?
-    R.map(UiItem(state), Config.controls[key].ui) : null;
-
-const theme = createMuiTheme({
-  palette: {
-    primary: colors[Config.space.color]
-  }
-});
-
-const appStyles = withStyles((_theme) => ({
-  drawerPaper: {
-    width: 320
-  }
-}));
-
-class app extends React.Component<{state: State, classes: Object}> {
-  render() {
-    const state = this.props.state;
-    const classes = this.props.classes;
-    if (state == null) return (<div></div>);
-    return (
-      <div>
-        <MuiThemeProvider theme={theme}>
-          <div>
-            <SpaceMapBar title={`${Config.space.name} Map`} {...state} />
-            <Drawer open={state.uiOpened != null}
-              anchor="right"
-              onRequestClose={() => store.dispatch({type: Actions.CHANGE_UI})}
-              classes={{paper: classes.drawerPaper}}
-              type="persistent"
-            >
-              <AppBar position="static">
-                <Toolbar>
-                  <IconButton onClick={() => store.dispatch({type: Actions.CHANGE_UI})}>
-                    <i className="mdi mdi-format-horizontal-align-right mdi-36px"></i>
-                  </IconButton>
-                  <Typography type="title">
-                    {state.uiOpened == null ? "" : Config.controls[state.uiOpened].name}
-                  </Typography>
-                </Toolbar>
-              </AppBar>
-              <List id="drawer_uiComponents">
-                {renderUi(state, state.uiOpened)}
-              </List>
-            </Drawer>
-          </div>
-        </MuiThemeProvider>
-        <SpaceMap width={1000} height={700} image="rzl.png" zoom={0} state={state} />
-      </div>
-    );
-  }
-}
-
-const App = appStyles(app);
-
-store.subscribe(() => ReactDOM.render(<App state={store.getState()} />, document.getElementById("content")));
-
-store.dispatch({type:null});
-
-connectMqtt(Config.space.mqtt, store);
+ReactDOM.render(<App config={Config} />, document.getElementById("content"));
diff --git a/types/types.js b/types/types.js
index a65abad..4bb1414 100644
--- a/types/types.js
+++ b/types/types.js
@@ -1,5 +1,9 @@
 declare type Map<K,V> = { [K]: V };
 
+declare type Classes = {
+  classes: Map<string, string>
+};
+
 declare type Topic = {
   state: string,
   command: string,
@@ -23,7 +27,7 @@ declare type ControlUI = {
   // TOGGLE optional properties
   on?: string, // on override for toggle
   off?: string, // off override for toggle
-  toggled?: (internal: string, actual: any) => boolean,
+  toggled?: (internal: string, actual: any, state: Map<string, any>) => boolean,
 
   // DROPDOWN optional properties
   options?: Map<string,any>, //options for dropDown
@@ -70,12 +74,18 @@ declare type State = {
   visibleLayers: Array<string>
 };
 
+declare type Point = [number, number];
+
 declare type Layer = {
   image: string,
   name: string,
   baseLayer: boolean,
   defaultVisibility: "visible" | "hidden",
-  opacity: number
+  opacity: number,
+  bounds: {
+    topLeft: Point,
+    bottomRight: Point
+  }
 };
 
 declare type StateAction = {
diff --git a/webpack.common.js b/webpack.common.js
index 0ca1564..31d08f1 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -11,6 +11,7 @@ const preBuildScripts = process.env.NO_FLOW == undefined ?
 
 module.exports = {
   resolve: {
+    modules: [path.resolve(__dirname, "src"), "node_modules"],
     extensions: ['.js', '.jsx']
   },
   output: {