Example usage for com.google.gwt.maps.client.overlay GeoXmlLoadCallback GeoXmlLoadCallback

Introduction

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

Prototype

GeoXmlLoadCallback

Source Link

Usage

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

License:Apache License

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

    map = new MapWidget(LatLng.newInstance(49.496675, -102.65625), 3);
    map.setSize("640px", "480px");
    map.addControl(new LargeMapControl());
    panel.add(map);/*from  w w w.  j a v  a 2 s.co m*/
    toggleButton = new Button("Toggle Markers");
    toggleButton.setEnabled(false);
    toggleButton.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            if (geoXml == null) {
                return;
            }
            if (geoXmlShown) {
                map.removeOverlay(geoXml);
            } else {
                map.addOverlay(geoXml);
            }
            geoXmlShown = !geoXmlShown;
        }
    });
    panel.add(toggleButton);
    initWidget(panel);

    GeoXmlOverlay.load(
            "http://api.flickr.com/services/feeds/groups_pool.gne?id=322338@N20&format=rss_200&georss=1",
            new GeoXmlLoadCallback() {
                @Override
                public void onFailure(String url, Throwable e) {
                    StringBuffer message = new StringBuffer("GeoRss File " + url + " failed to load");
                    if (e != null) {
                        message.append(e.toString());
                    }
                    Window.alert(message.toString());
                }

                @Override
                public void onSuccess(String url, GeoXmlOverlay overlay) {
                    geoXml = overlay;
                    toggleButton.setEnabled(true);
                    map.addOverlay(geoXml);
                    GWT.log("GeoRss File " + url + "loaded successfully", null);
                    GWT.log("Default Center=" + geoXml.getDefaultCenter(), null);
                    GWT.log("Default Span=" + geoXml.getDefaultSpan(), null);
                    GWT.log("Default Bounds=" + geoXml.getDefaultBounds(), null);
                    GWT.log("Supports hide=" + geoXml.supportsHide(), null);
                }
            });
}

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

License:Apache License

public KmlOverlayDemo() {
    Panel panel = new FlowPanel();
    map = new MapWidget(LatLng.newInstance(41.875696, -87.624207), 11);
    map.setSize("640px", "480px");
    map.addControl(new LargeMapControl());
    panel.add(map);/*from ww w  . j  ava 2s .  c om*/

    // Toggle the visibility of the overlays by
    // adding and removing the overlay.
    removeAddButton = new Button("Remove/Add KML");
    // Toggle the visibility of the overlays
    // using the show() and hide() methods
    final Button showHideButton = new Button("Show/Hide KML");
    removeAddButton.setEnabled(false);
    removeAddButton.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            if (geoXml == null) {
                return;
            }
            if (geoXmlShown) {
                map.removeOverlay(geoXml);
                showHideButton.setEnabled(false);
            } else {
                map.addOverlay(geoXml);
                showHideButton.setEnabled(true);
            }
            geoXmlShown = !geoXmlShown;
        }
    });
    panel.add(removeAddButton);

    showHideButton.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            if (geoXml == null) {
                return;
            }
            if (geoXml.isHidden()) {
                geoXml.setVisible(true);
            } else {
                geoXml.setVisible(false);
            }
        }
    });

    panel.add(showHideButton);
    initWidget(panel);

    GeoXmlOverlay.load("http://mapgadgets.googlepages.com/cta.kml", new GeoXmlLoadCallback() {

        @Override
        public void onFailure(String url, Throwable e) {
            StringBuffer message = new StringBuffer("KML File " + url + " failed to load");
            if (e != null) {
                message.append(e.toString());
            }
            Window.alert(message.toString());
        }

        @Override
        public void onSuccess(String url, GeoXmlOverlay overlay) {
            geoXml = overlay;
            removeAddButton.setEnabled(true);
            showHideButton.setEnabled(true);
            map.addOverlay(geoXml);
            GWT.log("KML File " + url + "loaded successfully", null);
            GWT.log("Default Center=" + geoXml.getDefaultCenter(), null);
            GWT.log("Default Span=" + geoXml.getDefaultSpan(), null);
            GWT.log("Default Bounds=" + geoXml.getDefaultBounds(), null);
            GWT.log("Supports hide=" + geoXml.supportsHide(), null);
        }
    });
}

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