Example usage for com.google.gwt.maps.client.layers TransitLayer newInstance

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.layers TransitLayer newInstance.

Prototype

public static final TransitLayer newInstance() 

Source Link

Document

creates a traffic layer

Usage

From source file:com.google.gwt.maps.testing.client.maps.AdvancedLayersWidget.java

License:Apache License

/**
 * Buttons for toggling layers/*from   ww w.j a  va 2 s .c om*/
 */
private void drawLayerControls() {

    final TrafficLayer trafficLayer = TrafficLayer.newInstance();
    final Button button = new Button("Traffic");
    button.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (trafficLayer.getMap() == null) {
                trafficLayer.setMap(mapWidget);
                button.getElement().getStyle().setColor("red");
            } else {
                trafficLayer.setMap(null);
                button.getElement().getStyle().setColor("black");
            }
        }
    });

    final TransitLayer transitLayer = TransitLayer.newInstance();
    final Button button2 = new Button("Transit");
    button2.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (transitLayer.getMap() == null) {
                transitLayer.setMap(mapWidget);
                button2.getElement().getStyle().setColor("red");
            } else {
                transitLayer.setMap(null);
                button2.getElement().getStyle().setColor("black");
            }
        }
    });

    final BicyclingLayer bikeLayer = BicyclingLayer.newInstance();
    final Button button3 = new Button("Bicycle");
    button3.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (bikeLayer.getMap() == null) {
                bikeLayer.setMap(mapWidget);
                button3.getElement().getStyle().setColor("red");
            } else {
                bikeLayer.setMap(null);
                button3.getElement().getStyle().setColor("black");
            }
        }
    });

    FlowPanel widget = new FlowPanel();
    widget.add(button);
    widget.add(new HTML("Advanced Layers"));
    widget.add(button);
    widget.add(button2);
    widget.add(button3);

    DOM.setStyleAttribute(widget.getElement(), "background", "white");
    DOM.setStyleAttribute(widget.getElement(), "padding", "5px");
    DOM.setStyleAttribute(widget.getElement(), "margin", "3px");
    DOM.setStyleAttribute(widget.getElement(), "border", "3px solid darkgray");

    mapWidget.setControls(ControlPosition.RIGHT_CENTER, widget);

    // apply button so people can see more interesting map
    trafficLayer.setMap(mapWidget);
    button.getElement().getStyle().setColor("red");
}

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From source file:com.google.gwt.maps.testing.client.maps.HeatMapLayerWidget.java

License:Apache License

private void drawMap() {
    // zoom out for the clouds
    LatLng center = LatLng.newInstance(40.74, -73.94);
    MapOptions opts = MapOptions.newInstance();
    opts.setZoom(11);/*from  w  w w .  j  a  v  a  2s  .c o m*/
    opts.setCenter(center);
    opts.setMapTypeId(MapTypeId.TERRAIN);

    mapWidget = new MapWidget(opts);
    pWidget.add(mapWidget);
    mapWidget.setSize("750px", "500px");

    // show transit layer
    TransitLayer transitLayer = TransitLayer.newInstance();
    transitLayer.setMap(mapWidget);

    // create layer
    HeatMapLayerOptions options = HeatMapLayerOptions.newInstance();
    options.setOpacity(0.9);
    options.setRadius(5);
    options.setGradient(getSampleGradient());
    options.setMaxIntensity(3);
    options.setMap(mapWidget);

    HeatMapLayer heatMapLayer = HeatMapLayer.newInstance(options);
    // set data
    JsArray<LatLng> dataPoints = getSampleData();
    heatMapLayer.setData(dataPoints);

    // the other way to set data
    // note JS array can be set from this method, but only MVCArray from the
    // options setData() method
    // MVCArray<WeightedLocation> weightedDataPoints =
    // MVCArray.newInstance(getSampleWeightedData());
    // heatMapLayer.setDataWeighted(weightedDataPoints);
    GWT.log("Plotting " + dataPoints.length() + " points on HeatMap");
}

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