Add LatLonField spatial type

Author: davidpiesse

README.md

@@ -7,6 +7,7 @@ This map field currently ONLY shows in details view - BUT editing will be coming
 You can use this Map Field with three different sort of spatial data:
 * GeoJSON String property
 * Latitude and Longitude properties
+* Latitude and Longitude both in a single text field
 * Core Laravel Spatial Types 
     * Point
     * LineString
@@ -31,6 +32,7 @@ To specify what sort of spatial data you are passing to this field you MUST set
 ```
 These are the valid Spatial Types
 * LatLon
+* LatLonField (single field)
 * GeoJSON
 * Point
 * LineString
@@ -71,6 +73,12 @@ Map::make('Some Point Location')
     ->longitude('longitude_field_name'),
 ```
 
+## Latitude & Longitude (in single fields) 
+```php
+Map::make('Some Point Location', 'coordinate_field_name')
+    ->spatialType('LatLonField'),
+```
+
 ## Set the Height
 ```php
 Map::make('Some Point Field', 'point_field_name')

dist/js/field.js

@@ -97,6 +97,15 @@ export default {
                         this.value[this.latitude_field],
                     ]
                 }
+            }else if(this.type == "LatLonField"){
+                let coords = this.value.split(/[ ,]+/).filter(Boolean);
+                return {
+                    type: 'Point',
+                    coordinates: [
+                        coords[1],
+                        coords[0]
+                    ]
+                }
             }else if(this.type == "GeoJSON"){
                 return JSON.parse(this.value)
             }else{
@@ -105,7 +114,6 @@ export default {
         }
     },
     mounted() {
-
         this.$nextTick(() => {
             this.map = this.$refs.map.mapObject