Example usage for com.google.gwt.maps.client.event TrafficOverlayChangedHandler TrafficOverlayChangedHandler

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.event TrafficOverlayChangedHandler TrafficOverlayChangedHandler.

Prototype

TrafficOverlayChangedHandler

Source Link

Usage

From source file:com.google.gwt.maps.sample.hellomaps.client.TrafficOverlayDemo.java

License:Apache License

public TrafficOverlayDemo() {
    Panel panel = new FlowPanel();

    map = new MapWidget(LatLng.newInstance(40.652513, -73.936615), 12);
    map.setSize("640px", "480px");
    panel.add(map);// w  w  w. ja va 2s . com
    Button toggleTraffic = new Button("Toggle Traffic");
    toggleTraffic.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            if (trafficShown) {
                map.removeOverlay(trafficInfo);
            } else {
                map.addOverlay(trafficInfo);
            }
            trafficShown = !trafficShown;
        }
    });
    panel.add(toggleTraffic);
    final Label changeLabel = new Label();
    panel.add(changeLabel);
    initWidget(panel);
    trafficInfo = new TrafficOverlay();
    trafficInfo.addTrafficOverlayChangedHandler(new TrafficOverlayChangedHandler() {

        public void onChanged(TrafficOverlayChangedEvent event) {
            changeLabel.setText("Last Changed: " + new Date());
        }

    });
}

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