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120 lines
5.5 KiB
Java
120 lines
5.5 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client.gis;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
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import com.google.gwt.dom.client.Document;
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import com.google.gwt.dom.client.LinkElement;
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import com.google.gwt.dom.client.Style.Display;
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import com.google.gwt.dom.client.Style.Overflow;
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import com.google.gwt.dom.client.Style.Position;
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import com.google.gwt.dom.client.Style.Unit;
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import ol.Collection;
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import ol.Coordinate;
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import ol.OLFactory;
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import ol.OLUtil;
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import ol.control.Control;
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import ol.control.ControlOptions;
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import ol.control.FullScreen;
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import ol.control.MousePosition;
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import ol.control.ZoomSlider;
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import ol.geom.Polygon;
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import ol.layer.Base;
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import ol.layer.LayerOptions;
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import ol.layer.Tile;
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import ol.source.Osm;
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import ol.source.XyzOptions;
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/**
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*
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* @author Tino Desjardins
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*
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*/
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public final class DemoUtils {
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private DemoUtils() {
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throw new AssertionError();
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}
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/**
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* Creates some default controls and adds it to the collection.
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*
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* @param controls collection with controls
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*/
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public static void addDefaultControls(final Collection<Control> controls) {
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controls.push(new FullScreen());
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controls.push(new ZoomSlider());
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MousePosition mousePosition = new MousePosition();
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mousePosition.setCoordinateFormat(Coordinate.createStringXY(5));
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controls.push(mousePosition);
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//controls.push(new ZoomToExtent());
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}
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/**
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* Create a MapBox logo.
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*
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* @return MapBox logo
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*/
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public static Control createMapboxLogo() {
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ControlOptions controlOptions = new ControlOptions();
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LinkElement mapboxLogo = Document.get().createLinkElement();
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mapboxLogo.setHref("https://mapbox.com/about/maps");
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mapboxLogo.setTarget("_blank");
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mapboxLogo.getStyle().setPosition(Position.ABSOLUTE);
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mapboxLogo.getStyle().setLeft(2, Unit.PX);
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mapboxLogo.getStyle().setBottom(5, Unit.PX);
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mapboxLogo.getStyle().setWidth(126, Unit.PX);
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mapboxLogo.getStyle().setHeight(40, Unit.PX);
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mapboxLogo.getStyle().setDisplay(Display.BLOCK);
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mapboxLogo.getStyle().setOverflow(Overflow.HIDDEN);
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mapboxLogo.getStyle().setBackgroundImage("url(data:image/png;base64,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)");
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controlOptions.setElement(mapboxLogo);
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return new Control(controlOptions);
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}
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/**
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* Creates a test polygon geometry (triangle).
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*
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* @return test polygon geometry (EPSG:3857)
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*/
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public static Polygon createTestPolygon() {
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Coordinate[][] coordinates = new Coordinate[1][4];
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Coordinate point1 = new Coordinate(13.36, 52.53);
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Coordinate point2 = new Coordinate(13.36, 52.51);
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Coordinate point3 = new Coordinate(13.37, 52.52);
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Coordinate point4 = new Coordinate(13.36, 52.53);
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coordinates[0][0] = point1;
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coordinates[0][1] = point2;
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coordinates[0][2] = point3;
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coordinates[0][3] = point4;
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Coordinate[][] tranformedCoordinates = new Coordinate[coordinates.length][];
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tranformedCoordinates[0] = OLUtil.transform(coordinates[0], GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
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return OLFactory.createPolygon(tranformedCoordinates);
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}
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public static Base createOsmLayer() {
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XyzOptions osmSourceOptions = OLFactory.createOptions();
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Osm osmSource = new Osm(osmSourceOptions);
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LayerOptions osmLayerOptions = OLFactory.createOptions();
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osmLayerOptions.setSource(osmSource);
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return new Tile(osmLayerOptions);
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}
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}
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