Example usage for com.google.gwt.maps.client MapOptions setNoClear

Introduction

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

Prototype

public final native void setNoClear(boolean noClear) ;

Source Link

Document

set If true, do not clear the contents of the Map div.

Usage

From source file:net.cbtltd.client.field.MapField.java

/**
 * Instantiates a new map field./*from   w ww . ja v  a2  s .  c  o  m*/
 *
 * @param form is the form or other HasComponents element that contains the field.
 * @param permission that controls the visibility of the field.
 * @param tab index of the field.
 */
public MapField(HasComponents form, short[] permission, int tab) {
    initialize(panel, form, permission, CSS.cbtMapField());

    super.setDefaultValue(LatLng.newInstance(0.0, 0.0));

    addressLabel.addStyleName(CSS.cbtMapFieldLabel());
    addressBox.addStyleName(CSS.cbtLocationFieldField());
    addressBox.addBlurHandler(new BlurHandler() {
        @Override
        public void onBlur(BlurEvent event) {
            setName(addressBox.getText());
        }
    });

    addressBox.addKeyDownHandler(new KeyDownHandler() {
        @Override
        public void onKeyDown(KeyDownEvent event) {
            if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
                setName(addressBox.getText());
            }
        }
    });

    latitudeLabel.addStyleName(CSS.cbtMapFieldLabel());
    latitudeBox.addStyleName(CSS.cbtMapFieldLatLng());
    latitudeBox.addChangeHandler(new ChangeHandler() {

        @Override
        public void onChange(ChangeEvent event) {
            Double latitude = LF.parse(latitudeBox.getText());
            if (latitude < -90.0 || latitude > 90.0) {
                addMessage(Level.ERROR, CONSTANTS.errPositionLatitude(), latitudeBox);
            } else {
                setValue(LatLng.newInstance(latitude, marker.getPosition().getLongitude()));
            }
        }
    });

    longitudeLabel.addStyleName(CSS.cbtMapFieldLabel());
    longitudeBox.addStyleName(CSS.cbtMapFieldLatLng());
    longitudeBox.addChangeHandler(new ChangeHandler() {

        @Override
        public void onChange(ChangeEvent event) {
            Double longitude = LF.parse(longitudeBox.getText());
            if (longitude < -180.0 || longitude > 180.0) {
                addMessage(Level.ERROR, CONSTANTS.errPositionLongitude(), longitudeBox);
            } else {
                setValue(LatLng.newInstance(marker.getPosition().getLatitude(), longitude));
            }
        }
    });

    position.addStyleName(CSS.cbtMapFieldTitle());
    position.add(addressLabel);
    position.add(addressBox);
    position.add(latitudeLabel);
    position.add(latitudeBox);
    position.add(longitudeLabel);
    position.add(longitudeBox);
    position.add(lock);

    panel.add(position);

    MapOptions mapOptions = MapOptions.newInstance();
    mapOptions.setDraggableCursor("crosshair");
    mapOptions.setDraggingCursor("text");
    mapOptions.setCenter(LatLng.newInstance(0.0, 0.0));
    mapOptions.setDraggable(true);
    mapOptions.setDisableDoubleClickZoom(true);
    //      mapOptions.setHeading(heading);
    mapOptions.setKeyboardShortcuts(false);
    mapOptions.setMapMaker(true);
    mapOptions.setMapTypeControl(true);
    mapOptions.setMapTypeId(mapTypeId);
    mapOptions.setNoClear(false);
    mapOptions.setOverviewMapControl(false);
    //      mapOptions.setMapTypeControlOptions(MapTypeControlOptions.)
    mapOptions.setPanControl(true);
    //      mapOptions.setPanControlOptions(panControlOptions);
    mapOptions.setRotateControl(false);
    //      mapOptions.setRotateControlOptions(rotateControlOptions)
    mapOptions.setScaleControl(true);
    //      mapOptions.setScaleControlOptions(scaleControlOptions)
    mapOptions.setScrollWheel(scrollWheel);
    //      StreetViewPanoramaImpl streetView = StreetViewPanoramaImpl.newInstance(field.getElement(), options);
    //      mapOptions.setStreetView(streetView);
    mapOptions.setStreetViewControl(streetView);
    //      mapOptions.setStreetViewControlOptions(streetViewControlOptions)
    //      mapOptions.setStyles(styles)
    mapOptions.setZoom(15);
    mapOptions.setZoomControl(true);

    map = MapWidget.newInstance(MapImpl.newInstance(field.getElement(), mapOptions));

    map.addClickHandler(new ClickMapHandler() {
        public void onEvent(ClickMapEvent event) {
            if (isEnabled()) {
                setValue(event.getMouseEvent().getLatLng());
                fireChange(MapField.this);
            }
        }
    });
    panel.add(field);

    emptyValue.addStyleName(CSS.cbtMapFieldEmpty());
    emptyValue.setVisible(false);
    panel.add(emptyValue);

    InfoWindowOptions infowindowOpts = InfoWindowOptions.newInstance();
    infowindowOpts.setMaxWidth(100);
    infowindowOpts.setPosition(defaultValue);
    infoWindow = InfoWindow.newInstance(infowindowOpts);
}

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