gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.reversedirection / src / main / java / org / gvsig / vectorediting / lib / prov / reversedirection / ReverseDirectionEditingProvider.java @ 2444
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.vectorediting.lib.prov.reversedirection; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.GeometryException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Spline; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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import org.gvsig.tools.visitor.VisitCanceledException; |
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import org.gvsig.tools.visitor.Visitor; |
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import org.gvsig.vectorediting.lib.api.DrawingStatus; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
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import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StopServiceException; |
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import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
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import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter; |
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import org.gvsig.vectorediting.lib.spi.EditingProvider; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderFactory; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
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/**
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*
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* @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>
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*
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*/
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public class ReverseDirectionEditingProvider extends AbstractEditingProvider |
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implements EditingProvider {
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private EditingServiceParameter selectionParameter;
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private FeatureSelection selection;
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private FeatureStore featureStore;
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public ReverseDirectionEditingProvider(ProviderServices providerServices,
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DynObject parameters) { |
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super(providerServices);
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this.featureStore =
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(FeatureStore) parameters |
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.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD); |
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this.selectionParameter =
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new DefaultEditingServiceParameter("selection", "selection", |
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TYPE.SELECTION); |
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} |
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public EditingServiceParameter next() {
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if (selection == null) { |
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return this.selectionParameter; |
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} |
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return null; |
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} |
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public DrawingStatus getDrawingStatus(Point mousePosition) |
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throws DrawServiceException {
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return null; |
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} |
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public void stop() throws StopServiceException { |
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ToolsLocator.getDisposableManager().release(selection); |
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DisposeUtils.disposeQuietly(selection); |
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this.selection = null; |
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} |
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> parameters =
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new ArrayList<EditingServiceParameter>(); |
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parameters.add(selectionParameter); |
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return parameters;
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} |
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@Override
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public void setValue(EditingServiceParameter parameter, Object value) throws InvalidEntryException { |
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validateAndInsertValue(parameter, value); |
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} |
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public void setValue(Object value) throws InvalidEntryException { |
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EditingServiceParameter parameter = next(); |
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validateAndInsertValue(parameter, value); |
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} |
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private void validateAndInsertValue(EditingServiceParameter parameter, |
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Object value) throws InvalidEntryException { |
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if (parameter == selectionParameter) {
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if (value instanceof FeatureSelection) { |
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FeatureSelection featureSelection = (FeatureSelection) value; |
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if (featureSelection.getSelectedCount() > 0) { |
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try {
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featureSelection.accept(new Visitor() {
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public void visit(Object obj) |
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throws VisitCanceledException, BaseException {
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Feature feature = (Feature) obj; |
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Geometry geometry = |
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feature.getDefaultGeometry(); |
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GeometryType geometryType = |
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geometry.getGeometryType(); |
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if (!geometryType.isTypeOf(TYPES.CURVE)
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&& !geometryType.isTypeOf(TYPES.MULTICURVE)) { |
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throw new InvalidEntryException(null); |
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} |
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} |
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}); |
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} catch (BaseException e) {
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throw new InvalidEntryException(e); |
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} |
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ToolsLocator.getDisposableManager().bind( |
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(FeatureSelection) value); |
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this.selection = featureSelection;
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} else {
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throw new InvalidEntryException(null); |
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} |
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} |
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} |
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} |
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public Geometry finish() throws FinishServiceException { |
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return null; |
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} |
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public void finishAndStore() throws FinishServiceException { |
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if (selection != null) { |
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final EditingProviderServices editingProviderServices =
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(EditingProviderServices) getProviderServices(); |
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try {
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selection.accept(new Visitor() {
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public void visit(Object obj) |
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throws VisitCanceledException, BaseException {
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Feature feature = (Feature) obj; |
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EditableFeature eFeature = feature.getEditable(); |
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Geometry geometry = eFeature.getDefaultGeometry(); |
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eFeature.setDefaultGeometry(reverseDirection(geometry)); |
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editingProviderServices.updateFeatureInFeatureStore( |
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eFeature, featureStore); |
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} |
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}); |
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ToolsLocator.getDisposableManager().release(selection); |
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DisposeUtils.dispose(selection); |
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featureStore.getFeatureSelection().deselectAll(); |
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} catch (BaseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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private Geometry reverseDirection(Geometry geometry)
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throws GeometryException, GeometryOperationNotSupportedException, GeometryOperationException {
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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GeometryType geometryType = geometry.getGeometryType(); |
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if (geometryType.isTypeOf(TYPES.MULTICURVE)) {
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MultiCurve reversedMultiCurve = |
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geometryManager.createMultiCurve(geometryType.getSubType()); |
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MultiCurve multicurve = (MultiCurve) geometry; |
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for (int i = 0; i < multicurve.getPrimitivesNumber(); i++) { |
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reversedMultiCurve.addCurve(reverseCurve(multicurve.getCurveAt(i))); |
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} |
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return reversedMultiCurve;
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} else if (geometryType.isTypeOf(TYPES.CURVE)) { |
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return reverseCurve((Curve) geometry);
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} else {
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throw new IllegalArgumentException(String.format( |
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"Can't reverse geometry with {} type", geometryType.getType()));
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} |
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} |
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private Curve reverseCurve(Curve curve) throws GeometryException, GeometryOperationNotSupportedException, GeometryOperationException { |
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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Curve curveToReverse = null;
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Curve reverseCurve = null;
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if(curve instanceof Line || curve instanceof Spline){ |
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reverseCurve = (Curve) curve.cloneGeometry(); |
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reverseCurve.flip(); |
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} else {
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curveToReverse = (Curve) curve.toLines().getPrimitiveAt(0);
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reverseCurve = (Curve) geometryManager.create(Geometry.TYPES.LINE, curve.getGeometryType().getSubType()); |
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for (int i = curveToReverse.getNumVertices() - 1; i >= 0; i--) { |
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reverseCurve.addVertex(curveToReverse.getVertex(i)); |
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} |
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} |
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return reverseCurve;
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} |
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public void start() throws StartServiceException, InvalidEntryException { |
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FeatureSelection selected = null;
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if (featureStore != null) { |
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try {
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selected = featureStore.getFeatureSelection(); |
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} catch (DataException e) {
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throw new StartServiceException(e); |
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} |
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if (selected.getSelectedCount() > 0) { |
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try {
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setValue(selected); |
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} catch (InvalidEntryException e) {
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throw new InvalidEntryException(e); |
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} |
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} |
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} |
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} |
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public String getName() { |
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return ReverseDirectionEditingProviderFactory.PROVIDER_NAME;
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} |
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@Override
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public Object getValue(EditingServiceParameter parameter) { |
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if(parameter == this.selectionParameter){ |
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return this.selection; |
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} |
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return null; |
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} |
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} |