Ngx-google-map-helper NPM

Google Map Drawing Controls for Angular (NgxGoogleMapHelper)

Version 2 supports Angular 12

An angular package for using drawing control options of Google Map API. It provides following features,

Google Map API Drawing Controls (Marker, Rectangle, Polyline, Polygon, Circle)
Custom Buttons (Save, Undo, Delete...)
Output Events (OverlayCompleted, MapClicked..)

You can check it online through here NGXGoogleMapHelperDemo

npm.io

Installation

Install using npm,

$ npm install ngx-google-map-helper --save

Usage

Import

Add NgxGoogleMapHelperModule to your module file:

imports: [
    ... , //your modules
    NgxGoogleMapHelperModule.forRoot({
      apiKey: 'XXXXXXXXXXXXXXXXXXXXXX'
    })
  ]

Example

Refer to main app in this repository for working example. Or this Stackblitz Demo (Please change the API Key with your key in app.module , If the map is not loaded please try - Open In New Window option.)

After importing NgxGoogleMapHelperModule in your module file just use the ngx-google-map-helper component as below,

<ngx-google-map-helper 
    [locationAccess] = true 
    [showControl] = true 
    [mapHeight] = "'1000px'" 
    [mapWidth] = "'50%'"> </ngx-google-map-helper>

Options

You can go through Google Map API here. Google Map Javscript API

Option	Type	Description	Values	Default
mapHeight	string	Sets the height of the map	'100px','100%'...	'500px'
mapWidth	string	Sets the width of the map	'100px','100%'...	'100%'
zoom	int	Sets the zoom of map	any number	10
center	LatLang	Sets the center of map	object of LatLang	{lat: -34.397, lng: 150.644}
mapType	string	Sets the type of map	'ROADMAP', 'SATELLITE', 'HYBRID', 'TERRAIN'	'ROADMAP'
showErrors	boolean	Shows custom error messages on console	true,false	true
locationAccess	boolean	Allow to get the location of the user	true,false	true
placeMarkerOnClick	boolean	Places a marker on map in every click	true,false	false
showControl	boolean	Shows google map drawing controls	true,false	true
position	string	Sets the location of drawing tools.Refer drawing tools positions of Google Map API.	'TOP_CENTER' , 'TOP_RIGHT' , 'BOTTOM_LEFT',...	'TOP_CENTER'
showModes	string[]	Shows only specified drawing controls. When null shows all.	'marker' , 'circle' , 'polygon' , 'polyline' , 'rectangle'	All
commonOption	OverLayOption	Sets the properties of all drawing options.	object of OverLayOption	{fillColor:'#005696' ,fillOpacity:0.2, strokeColor:'#005696' ,strokeWeight:3, clickable:true, editable:true, draggable:true,zIndex:1}
circleOption	OverLayOption	Overrides only the circle overlay properties.	object of OverLayOption	same as common option default
polygonOption	OverLayOption	Overrides only the polygon overlay properties.	object of OverLayOption	same as common option default
polylineOption	OverLayOption	Overrides only the polyline overlay properties.	object of OverLayOption	same as common option default
rectangleOption	OverLayOption	Overrides only the rectangle overlay properties.	object of OverLayOption	same as common option default
markerOption	MarkerOption	Overrides only the marker properties.	object of MarkerOption	{animation: 'DROP',draggable: true,title: '',icon: null}
customButtons	boolean	Shows custom buttons - Undo,Save,Clear ...	true,false	true
onlyCustomButtons	string[]	Shows only the specified custom buttons.By default shows all.	'undo','clear','delete', 'save','saveAll'	All
googleMapObjects	boolean	If true, returns google map objects rather than custom objects.	true,false	false
shapes	Shape[]	Pass overlays as a shape object to show the overlay on map	Shape objects	[]

Events

Please note that this events return shape objects only when googleMapObjects = true (by default true), if its false it will return google map event.

Event	Description	Output
mapClicked	Event fires when user click on the map.	LatLng Object
overlayCompleted	Event fires as soon as overlay drawing is finished.	Shape Object
overlaySelected	Event fires when an overlay is selected	Shape Object
saveSeleted	Event fires when save custom button is clicked.	Shape Object
saveAll	Event fires when saveAll custom button is clicked.	Array of Shape Objects

Versions

Version	Angular Version
V 1.*	Angular 7
V 2.*	Angular 12

Development

Want to contribute?

Fork repository.
Update ./projects/ngx-google-map-helper
Build & Test the library.
Update ./src/app with new functionality.
Update README.md accordingly.
Pull request.

Instructions

Download or clone the repository.
Install dependencies $ npm install
Start the app $ npm start
Build the app $ npm run build or $ ng build
Build the library after change run either $ npm run package or $ ng build NgxGoogleMapHelper

verify app is working after $ npm start,

http://localhost:4200

License

MIT Free Software

angular angular7 typescript ngx ng2 ng4 ng5 ng6 ng7 google google-map google-map-api google map drawing google map API googlemaps drawing controls

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