Esri GWT
GWT wrapper for ESRI JS API
public class EsriGwtWeb implements EntryPoint {
private MapWidget map;
public void onModuleLoad() {
Button panLeft = new Button("Pan Left");
panLeft.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
map.panLeft();
}
});
RootPanel.get().add(panLeft);
Button panRight = new Button("Pan Left");
panRight.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
map.panRight();
}
});
RootPanel.get().add(panRight);
map = new MapWidget("mapDiv");
map.addLayer(new ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/ESRI_Imagery_World_2D/MapServer"));
map.addClickHandler(new MapClickHandler() {
public void handleClickEvent(Point event) {
QueryTask task = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
Query query = new Query();
query.setGeometry(event.getMapPoint());
task.execute(query, new QueryCallback() {
@Override
public void onSuccess(FeatureSet featureSet) {
RootPanel.get("keygis").clear();
RootPanel.get("keygis").add(new HTML(featureSet.getFeatures().get(0).getAttributes().get("STATE_NAME")));
}
@Override
public void onFailure(Throwable caught) {
GWT.log("Error on Query!", caught);
}
});
}
});
map.addExtentHandler(new MapExtentHandler() {
@Override
public void onExtentChange(Extent extent, Point point, boolean levelChange, LOD lod) {
GWT.log("Extent changed " + extent , null);
}
});
map.addPanHandler(new MapPanHandler() {
public void handlePanEvent(Point event) {
GWT.log("You pan my map!", null);
}
public void handleStartPanEvent(Point event) {
GWT.log("You start the pan on my map!", null);
}
public void handleEndPanEvent(Point event) {
GWT.log("You stop the pan on my map!", null);
}
});
}
}