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@lowdefy/blocks-google-maps

4.1.0 • Public • Published

Lowdefy Google Maps Blocks

This is a Lowdefy blocks wrapper for this the Google Maps API.

To use this block, define a @googlemaps/react-wrapper. It currently implements:

Properties

  • apiKey: string: Your Google Maps API key.
  • libraries: array: List of Google libraries.
  • map: mapOptions: All map options.
    • center: { lat: number, lng: number }: A coordinate position object by which to center the map.
    • zoom: number: Map zoom level.
    • options: mapOptions: All other map options.
  • heatmap: heatmapOptions: Add a heatmap layer, see more heatmap options. This will automatically load the visualization library, which must be added to the list of libraries in the libraries property of the GoogleMapsScript block.
    • data: { lat: number, lng: number, weight: number } []: A list of heatmap data points.
  • style: cssObject: A style object applied to the map element.
  • markers: markerOptions[]: A list of Markers with marker options, see more Javascript API Markers.
    • position: { lat: number, lng: number }: Position of marker on map.
    • label: string: Label displayed on marker.
  • markerClusterers: markerClustererOptions[]: A list of MarkerClusterers with marker clusterer options.
    • markers: markerOptions[]: A list of Markers with marker options, see more Javascript API Markers.
      • position: { lat: number, lng: number }: Position of marker on map.
      • label: string: Label displayed on marker.
    • options: markerClustererOptions: All other marker clusterer options.
  • infoWindow: infoWindowOptions: All infoWindow options, see infoWindow options.
    • position: { lat: number, lng: number }: Position of infoWindow on map.
    • visible: boolean: When visible is true, blocks inside infoWindow content area will be rendered.

Events

  • onBoundsChanged: Trigger onBoundsChanged actions when the bounds of the map are changed, returns _event object:
    • bounds:
      • east: latitudinal coordinate
      • north: longitudinal coordinate
      • south: longitudinal coordinate
      • west: latitudinal coordinate
    • center:
      • lat: latitudinal coordinate
      • lng: longitudinal coordinate
    • zoom: zoom level
  • onCenterChanged: Trigger onCenterChanged actions when the center of the map is changed, returns _event object:
    • bounds:
      • east: latitudinal coordinate
      • north: longitudinal coordinate
      • south: longitudinal coordinate
      • west: latitudinal coordinate
    • center:
      • lat: latitudinal coordinate
      • lng: longitudinal coordinate
    • zoom: zoom level
  • onClick: Trigger onClick actions when the map is clicked, returns _event object:
    • domEvent: event object
    • latLng:
      • lat: latitudinal coordinate
      • lng: longitudinal coordinate
    • pixel:
      • x: x position on map block
      • y: y position on map block
  • onClusterClick: Trigger onClusterClick actions when a cluster is clicked, returns _event
  • onMarkerClick: Trigger onMarkerClick actions when a marker is clicked, returns _event object:
    • domEvent: event object
    • latLng:
      • lat: latitudinal coordinate
      • lng: longitudinal coordinate
    • pixel:
      • x: x position on map block
      • y: y position on map block
  • onZoomChanged: Trigger onZoomChanged actions when the zoom on the map is changed. returns _event object:
    • bounds:
      • east: latitudinal coordinate
      • north: longitudinal coordinate
      • south: longitudinal coordinate
      • west: latitudinal coordinate
    • center:
      • lat: latitudinal coordinate
      • lng: longitudinal coordinate
    • zoom: zoom level

Methods

  • fitBounds: Fit map to given bounds.
    • bounds: { lat: number, lng: number } []: A list of the coordinate positions of the boundary points.
    • zoom: number: Map zoom level.
  • getBounds: Returns the bounds of the map.
  • getCenter: Returns the center of the map.
  • getZoom: Returns the zoom of the map.

Examples

  1. Add markers:

    - id: google_maps_script_1
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_1
      type: GoogleMaps
      properties:
        map:
          options:
            panControl: true
            zoomControl: true
            fullscreenControl: true
          zoom: 14
          center:
            lat: -25.344
            lng: 131.036
        markers:
          - position:
              lat: -25.344
              lng: 131.036
            label: One
          - position:
              lat: -25.348
              lng: 131.038
            label: Two

  2. Automatically bound map around marker positions when zoom and center map properties are left out:

    - id: google_maps_script_2
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_2
      type: GoogleMaps
      properties:
        map:
          options:
            panControl: true
            zoomControl: true
            fullscreenControl: true
        markers:
          - position:
              lat: -25.344
              lng: 131.036
            label: One
          - position:
              lat: -25.348
              lng: 131.038
            label: Two

  3. Add tooltips by making use of infoWindow:

    - id: google_maps_script_3
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_3
      type: GoogleMaps
      properties:
        map:
          options:
            panControl: true
            zoomControl: true
            fullscreenControl: true
          zoom: 14
          center:
            lat: -25.344
            lng: 131.036
        markers:
          - position:
              lat: -25.344
              lng: 131.036
            label: One
          - position:
              lat: -25.348
              lng: 131.038
            label: Two
        infoWindow:
          position:
            _state: position
          visible:
            _state: show_info
      events:
        onMarkerClick:
          - id: set
            type: SetState
            params:
              show_info:
                _not:
                  _state: show_info
              position:
                _event: latLng
      areas:
        infoWindow:
          blocks:
            - id: content
              type: Html
              properties:
                html:
                  _nunjucks:
                    template: |
                      <h1>Lat: {{ position.lat }} Lng: {{ position.lng }} </h1>
                    on:
                      _state: true

  4. Add markers with onClick event:

    - id: google_maps_script_4
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_4
        type: GoogleMaps
        properties:
          map:
            options:
              panControl: true
              zoomControl: true
              fullscreenControl: true
            center:
              lat: -25.344
              lng: 131.036
            zoom: 5
          markers:
            _state: markers_list
        events:
          onClick:
            - id: markers_list
              type: SetState
              params:
                markers_list:
                  _array.concat:
                    - - position:
                          _event: latLng
                        label: Hi
                    - _if_none:
                        - _state: markers_list
                        - []

  5. Add a heatmap:

    - id: google_maps_script_5
  type: GoogleMapsScript
  properties:
    libraries:
      - visualization
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_5
      type: GoogleMapsHeatmap
      properties:
        map:
          disableDefaultUI: true
        heatmap:
          data:
            - lat: 34.091158
              lng: -118.2795188
              weight: 1
            - lat: 34.0771192
              lng: -118.2587199
              weight: 2
            - lat: 34.083527
              lng: -118.370157
              weight: 1
            - lat: 34.0951843
              lng: -118.283107
              weight: 2
            - lat: 34.1033401
              lng: -118.2875469
              weight: 4
            - lat: 34.035798
              lng: -118.251288
              weight: 2
            - lat: 34.0776068
              lng: -118.2646526
              weight: 3
            - lat: 34.0919263
              lng: -118.2820544
              weight: 3
            - lat: 34.0568525
              lng: -118.3646369
              weight: 3
            - lat: 34.0285781
              lng: -118.4115541
              weight: 0
            - lat: 34.017339
              lng: -118.278469
              weight: 0
            - lat: 34.0764288
              lng: -118.3661624
              weight: 4
            - lat: 33.9925942
              lng: -118.4232475
              weight: 4
            - lat: 34.0764345
              lng: -118.3730332
              weight: 3
            - lat: 34.093981
              lng: -118.327638
              weight: 0
            - lat: 34.056385
              lng: -118.2508724
              weight: 1
            - lat: 34.107701
              lng: -118.2667943
              weight: 4
            - lat: 34.0450139
              lng: -118.2388682
              weight: 4
            - lat: 34.1031997
              lng: -118.2586152
              weight: 1
            - lat: 34.0828183
              lng: -118.3241586
              weight: 1
          options:
            radius: 20
            opacity: 1

  6. Trigger fitBounds using a Button:

    - id: google_maps_script_6
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: btn
      type: Button
      events:
        onClick:
          - id: set_boundaries
            type: CallMethod
            params:
              blockId: google_maps_6
              method: fitBounds
              args:
                - bounds:
                    - lat: -25.344
                      lng: 131.036
                    - lat: -25.348
                      lng: 131.038
                  zoom: 10

    - id: google_maps_6
      type: GoogleMaps
      properties:
        map:
          zoom: 5
          center:
            lat: -35.344
            lng: 31.036

  7. Add a marker clusterer:

    - id: google_maps_script_7
  type: GoogleMapsScript
  properties:
    libraries:
      - visualization
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_7
      type: GoogleMaps
      properties:
        map:
          disableDefaultUI: true
        markerClusterers:
          - markers:
              - position:
                  lat: 34.091158
                  lng: -118.2795188
              - position:
                  lat: 34.0771192
                  lng: -118.2587199
              - position:
                  lat: 34.083527
                  lng: -118.370157
              - position:
                  lat: 34.0951843
                  lng: -118.283107
              - position:
                  lat: 34.1033401
                  lng: -118.2875469
              - position:
                  lat: 34.035798
                  lng: -118.251288
              - position:
                  lat: 34.0776068
                  lng: -118.2646526
              - position:
                  lat: 34.0919263
                  lng: -118.2820544
              - position:
                  lat: 34.0568525
                  lng: -118.3646369
              - position:
                  lat: 34.0285781
                  lng: -118.4115541
              - position:
                  lat: 34.017339
                  lng: -118.278469
              - position:
                  lat: 34.0764288
                  lng: -118.3661624
              - position:
                  lat: 33.9925942
                  lng: -118.4232475
              - position:
                  lat: 34.0764345
                  lng: -118.3730332
              - position:
                  lat: 34.093981
                  lng: -118.327638
              - position:
                  lat: 34.056385
                  lng: -118.2508724
              - position:
                  lat: 34.107701
                  lng: -118.2667943
              - position:
                  lat: 34.0450139
                  lng: -118.2388682
              - position:
                  lat: 34.1031997
                  lng: -118.2586152
              - position:
                  lat: 34.0828183
                  lng: -118.3241586
            options:
              averageCenter: true
              zoomOnClick: false
              minimumClusterSize: 3
              maxZoom: 13

  8. Call method getZoom:

    - id: google_maps_script_8
  type: GoogleMapsScript
  properties:
    apiKey:
      _build.env: GOOGLE_MAPS_API_KEY
  blocks:
    - id: google_maps_8
      type: GoogleMaps
      properties:
        map:
          options:
            panControl: true
            zoomControl: true
            fullscreenControl: true
          zoom: 14
          center:
            lat: -25.344
            lng: 131.036
      events:
        onClick:
          - id: get_zoom
            type: CallMethod
            params:
              blockId: google_maps_8
              method: getZoom
          - id: get_zoom_result
            type: SetState
            params:
              zoom:
                _actions: get_zoom.response

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Install

npm i @lowdefy/blocks-google-maps

Repository

github.com/lowdefy/lowdefy

Homepage

lowdefy.com

Weekly Downloads

155

Version

4.1.0

License

Apache-2.0

Unpacked Size

54.9 kB

Total Files

12

Last publish

Collaborators

  • samtolmay
  • gervwyk
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