Examples with FeatureHighlightedListener org.gwtopenmaps.openlayers.client.event.FeatureHighlightedListener used on opensource projects

Example 1 with FeatureHighlightedListener

use of org.gwtopenmaps.openlayers.client.event.FeatureHighlightedListener in project kapua by eclipse.

the class DevicesMap method placeMarkers.

private void placeMarkers(List<GwtDevice> devices) {
    LonLat lonLat = null;
    final List<GwtDevice> theDevices = devices;
    for (int i = 0; i < devices.size(); i++) {
        final GwtDevice theDevice = devices.get(i);
        if (theDevice.getGpsLatitude() != null && theDevice.getGpsLongitude() != null) {
            StringBuilder sbDeviceTitle = new StringBuilder();
            if (theDevice.getDisplayName() != null) {
                sbDeviceTitle.append(theDevice.getDisplayName()).append(" (").append(theDevice.getClientId()).append(")");
            } else {
                sbDeviceTitle.append(theDevice.getClientId());
            }
            lonLat = new LonLat(theDevice.getGpsLongitude(), theDevice.getGpsLatitude());
            lonLat.transform(DEFAULT_PROJECTION.getProjectionCode(), m_map.getProjection());
            // lets create a vector point on the location
            Style pointStyle = new Style();
            pointStyle.setFillOpacity(0.9);
            pointStyle.setExternalGraphic("eclipse/org/eclipse/kapua/app/console/icon/device_map.png");
            pointStyle.setGraphicSize(37, 34);
            pointStyle.setGraphicOffset(-10, -34);
            pointStyle.setGraphicName(theDevice.getDisplayName());
            Point point = new Point(theDevice.getGpsLongitude(), theDevice.getGpsLatitude());
            // transform point to OSM coordinate system
            point.transform(DEFAULT_PROJECTION, new Projection(m_map.getProjection()));
            VectorFeature pointFeature = new VectorFeature(point, pointStyle);
            Attributes attributes = new Attributes();
            attributes.setAttribute("deviceIdx", i);
            pointFeature.setAttributes(attributes);
            m_markerLayer.addFeature(pointFeature);
        }
    }
    // Click SelectFeature and its Options
    SelectFeatureOptions clickFeatureOptions = new SelectFeatureOptions();
    clickFeatureOptions.onSelect(new SelectFeatureListener() {

        @Override
        public void onFeatureSelected(VectorFeature theVectorFeature) {
            int deviceIdx = theVectorFeature.getAttributes().getAttributeAsInt("deviceIdx");
            GwtDevice device = theDevices.get(deviceIdx);
            if (device != null) {
                m_devicesView.setDevice(device);
            }
        }
    });
    SelectFeature clickFeature = new SelectFeature(m_markerLayer, clickFeatureOptions);
    clickFeature.setClickOut(true);
    clickFeature.setMultiple(false);
    // Hover SelectFeature and its Options
    SelectFeatureOptions hoverFeatureOptions = new SelectFeatureOptions();
    hoverFeatureOptions.setHover();
    hoverFeatureOptions.setHighlightOnly(true);
    hoverFeatureOptions.setRenderIntent(RenderIntent.DEFAULT);
    final SelectFeature hoverFeature = new SelectFeature(m_markerLayer, hoverFeatureOptions);
    hoverFeature.setClickOut(true);
    hoverFeature.setMultiple(false);
    hoverFeature.addFeatureHighlightedListener(new FeatureHighlightedListener() {

        @Override
        public void onFeatureHighlighted(VectorFeature theVectorFeature) {
            int deviceIdx = theVectorFeature.getAttributes().getAttributeAsInt("deviceIdx");
            GwtDevice device = theDevices.get(deviceIdx);
            if (device != null) {
                if (m_popup != null) {
                    m_map.removePopup(m_popup);
                }
                LonLat lonLat = theVectorFeature.getCenterLonLat();
                m_popup = new AnchoredBubble("marker-info", lonLat, new Size(185, 20), "<p>" + device.getDisplayName() + " (" + device.getClientId() + ")</p>", null, false);
                m_map.addPopup(m_popup);
            }
        }
    });
    hoverFeature.addFeatureUnhighlightedListener(new FeatureUnhighlightedListener() {

        @Override
        public void onFeatureUnhighlighted(VectorFeature eventObject) {
            if (m_popup != null) {
                m_map.removePopup(m_popup);
                m_popup = null;
            }
            hoverFeature.unselectAll(null);
        }
    });
    m_map.addControl(clickFeature);
    m_map.addControl(hoverFeature);
    hoverFeature.activate();
    clickFeature.activate();
    // auto-adjust the zoom to show all points
    if (m_markerLayer.getDataExtent() != null) {
        m_map.zoomToExtent(m_markerLayer.getDataExtent());
    } else {
        m_map.zoomTo(1);
    }
}