Improved OpenLayers support

Added support for gejson sources
Fix toVectorLayer map callback (this was undefined)
Improved ol css; show map controls

src/components/map/OpenLayers3Map.jsx

@@ -2,6 +2,7 @@ import React from 'react'
 import style from '../../libs/style.js'
 import isEqual from 'lodash.isequal'
 import { loadJSON } from '../../libs/urlopen'
+import 'openlayers/dist/ol.css'
 
 function suitableVectorSource(mapStyle) {
   const sources = Object.keys(mapStyle.sources)
@@ -11,7 +12,7 @@ function suitableVectorSource(mapStyle) {
         source: mapStyle.sources[sourceId]
       }
     })
-    .filter(({source}) => source.type === 'vector')
+    .filter(({source}) => (source.type === 'vector' || source.type === 'geojson'))
   return sources[0]
 }
 
@@ -28,6 +29,16 @@ function toVectorLayer(source, tilegrid, cb) {
     })
   }
 
+  function newGeoJSONLayer(sourceUrl) {
+    const ol = require('openlayers')
+    return new ol.layer.Vector({
+      source: new ol.source.Vector({
+        format: new ol.format.GeoJSON(),
+        url: sourceUrl
+      })
+    })
+  }
+  if (source.type === 'vector') {
     if(!source.tiles) {
       sourceFromTileJSON(source.url, tileSource => {
         cb(newMVTLayer(tileSource.tiles[0]))
@@ -35,6 +46,9 @@ function toVectorLayer(source, tilegrid, cb) {
     } else {
       cb(newMVTLayer(source.tiles[0]))
     }
+  } else if (source.type === 'geojson') {
+    cb(newGeoJSONLayer(source.data))
+  }
 }
 
 function sourceFromTileJSON(url, cb) {
@@ -91,10 +105,11 @@ class OpenLayers3Map extends React.Component {
       }
 
       if(!this.layer) {
+        var self = this
         toVectorLayer(newSource.source, this.tilegrid, vectorLayer => {
-          this.layer = vectorLayer
+          self.layer = vectorLayer
-          this.map.addLayer(this.layer)
+          self.map.addLayer(self.layer)
-          setStyleFunc(this.map, this.layer)
+          setStyleFunc(self.map, self.layer)
         })
       } else {
         setStyleFunc(this.map, this.layer)
@@ -140,10 +155,10 @@ class OpenLayers3Map extends React.Component {
       ref={x => this.container = x}
       style={{
         position: "fixed",
-        top: 0,
+        top: 40,
         right: 0,
         bottom: 0,
-        height: "100%",
+        height: 'calc(100% - 40px)',
         width: "75%",
         backgroundColor: '#fff',
         ...this.props.style,

src/styles/_map.scss

@@ -0,0 +1,22 @@
+//OPENLAYERS
+.maputnik-layout {
+  .ol-zoom {
+    top: 10px;
+    right: 10px;
+    left: auto;
+  }
+
+  .ol-attribution.ol-logo-only {
+    height: 20px;
+  }
+
+  .ol-control {
+    button {
+      background-color: rgb(28, 31, 36);
+    }
+
+    button:hover {
+      background-color: rgb(86, 83, 83);
+    }
+  }
+}

src/styles/index.scss

@@ -35,3 +35,4 @@ $toolbar-offset: 0;
 @import 'filtereditor';
 @import 'zoomproperty';
 @import 'popup';
+@import 'map';