gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.stretch / src / main / java / org / gvsig / vectorediting / lib / prov / stretch / StretchEditingProvider.java @ 320
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package org.gvsig.vectorediting.lib.prov.stretch; |
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import java.awt.geom.AffineTransform; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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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.Point; |
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import org.gvsig.fmap.geom.primitive.Primitive; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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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.i18n.I18nManager; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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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.prov.stretch.operation.StretchOperation; |
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import org.gvsig.vectorediting.lib.prov.stretch.operation.StretchOperationUtils; |
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import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
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import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus; |
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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.EditingProviderLocator; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderManager; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
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public class StretchEditingProvider extends AbstractEditingProvider implements |
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EditingProvider {
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private static Logger logger = LoggerFactory.getLogger(StretchEditingProvider.class); |
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private I18nManager i18nManager = ToolsLocator.getI18nManager();
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private EditingServiceParameter selectionParameter;
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private EditingServiceParameter geometryParameter;
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private EditingServiceParameter firstPointParameter;
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private EditingServiceParameter secondPointParameter;
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private Map<EditingServiceParameter, Object> values; |
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private FeatureStore featureStore;
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public StretchEditingProvider(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", |
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i18nManager.getTranslation("selection"), TYPE.SELECTION);
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this.geometryParameter =
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new DefaultEditingServiceParameter("Draw geometry", |
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"draw_geometry_to_select_vertex", Geometry.TYPES.MULTISURFACE, TYPE.GEOMETRY);
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this.firstPointParameter =
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new DefaultEditingServiceParameter("first_point", |
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i18nManager.getTranslation("first_point"), TYPE.VALUE, TYPE.POSITION);
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this.secondPointParameter =
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new DefaultEditingServiceParameter("second_point", |
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i18nManager.getTranslation("second_point"), TYPE.VALUE, TYPE.POSITION);
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} |
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> list =
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new ArrayList<EditingServiceParameter>(); |
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list.add(selectionParameter); |
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list.add(geometryParameter); |
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list.add(firstPointParameter); |
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list.add(secondPointParameter); |
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return list;
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} |
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private void validateAndInsertValue(EditingServiceParameter param, |
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Object value) throws InvalidEntryException { |
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if (param == selectionParameter) {
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if (value instanceof FeatureSelection) { |
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values.put(param, value); |
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return;
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} |
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} else if (param == firstPointParameter) { |
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if (value instanceof Point) { |
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values.put(param, value); |
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return;
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} |
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} else if (param == secondPointParameter) { |
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if (value instanceof Point) { |
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values.put(param, value); |
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return;
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} |
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} else if (param == geometryParameter) { |
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if (value instanceof Geometry) { |
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// Before set value checks if some geometry intersects the
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// geometry received as parameter.
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Geometry geometry = (Geometry) value; |
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FeatureSelection selection = |
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(FeatureSelection) values.get(selectionParameter); |
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DisposableIterator it = null;
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try {
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it = selection.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry defaultGeometry = feature.getDefaultGeometry(); |
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if (defaultGeometry.intersects(geometry) || defaultGeometry.contains(geometry)) {
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values.put(param, value); |
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return;
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} |
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} |
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throw new InvalidEntryException(null); |
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} catch (BaseException e) {
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throw new InvalidEntryException(e); |
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} finally {
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it.dispose(); |
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} |
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} |
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} |
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} |
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public EditingServiceParameter next() {
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if (values.get(selectionParameter) == null) { |
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return this.selectionParameter; |
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} else if (values.get(geometryParameter) == null) { |
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return this.geometryParameter; |
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} else if (values.get(firstPointParameter) == null) { |
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return this.firstPointParameter; |
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} else if (values.get(secondPointParameter) == null) { |
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return this.secondPointParameter; |
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} |
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return null; |
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} |
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public static Geometry applyTransform(Geometry geometry, AffineTransform at, |
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Geometry roi) throws CreateGeometryException,
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GeometryOperationNotSupportedException, GeometryOperationException {
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if (geometry instanceof MultiPrimitive) { |
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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MultiPrimitive aggregate = (MultiPrimitive)geometry; |
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GeometryType geometryType = aggregate.getGeometryType(); |
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MultiPrimitive newAggregate = (MultiPrimitive) geometryManager.create(geometryType.getType(), geometryType.getSubType()); |
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for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
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Primitive primitive = aggregate.getPrimitiveAt(i); |
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StretchOperation operation = StretchOperationUtils.getOperation(primitive); |
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if (operation != null) { |
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Geometry element = operation.transform(at, primitive, roi); |
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if (element instanceof MultiPrimitive) { |
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for (int j = 0; j < ((MultiPrimitive)element).getPrimitivesNumber(); j++) { |
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newAggregate.addPrimitive(((MultiPrimitive)element).getPrimitiveAt(j)); |
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} |
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} else if(element instanceof Primitive){ |
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newAggregate.addPrimitive((Primitive)element); |
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} else {
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logger.warn("StretchOperation has returned a not-supported geometry type. "+operation.toString()+" "+element.getClass().getName()); |
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} |
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} else {
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newAggregate.addPrimitive(primitive); |
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} |
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} |
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return newAggregate;
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} else if (geometry instanceof Primitive) { |
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StretchOperation operation = StretchOperationUtils.getOperation((Primitive)geometry); |
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if (operation != null) { |
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return operation.transform(at, (Primitive)geometry, roi);
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} |
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} |
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return geometry;
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} |
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public static List<Point> getSelectedVertex(Geometry geometry, |
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Geometry roi) throws CreateGeometryException,
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GeometryOperationNotSupportedException, GeometryOperationException {
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List<Point> selectedVertex = new ArrayList<Point>(); |
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if (geometry instanceof MultiPrimitive) { |
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MultiPrimitive aggregate = (MultiPrimitive)geometry; |
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for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
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Primitive primitive = aggregate.getPrimitiveAt(i); |
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StretchOperation operation = StretchOperationUtils.getOperation(primitive); |
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if (operation != null) { |
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selectedVertex.addAll(operation.getSelectedVertex(primitive, roi)); |
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} |
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} |
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} else if (geometry instanceof Primitive) { |
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Primitive primitive = (Primitive)geometry; |
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StretchOperation operation = StretchOperationUtils.getOperation(primitive); |
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if (operation != null) { |
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selectedVertex.addAll(operation.getSelectedVertex(primitive, roi)); |
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} |
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} |
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return selectedVertex;
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} |
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public DrawingStatus getDrawingStatus(Point mousePosition) |
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throws DrawServiceException {
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DefaultDrawingStatus geometries = new DefaultDrawingStatus();
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EditingProviderManager editingProviderManager = |
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EditingProviderLocator.getProviderManager(); |
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ISymbol selectedVertexEditingSymbol = editingProviderManager.getSymbol("selected-vertex-editing");
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FeatureSelection selection = |
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(FeatureSelection) values.get(this.selectionParameter);
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try {
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if ((selection != null) && !selection.isEmpty()) { |
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Geometry geometry = (Geometry) values.get(this.geometryParameter);
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if (geometry != null) { |
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//
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List<Point> selectedVertex = new ArrayList<Point>(); |
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DisposableIterator it = null;
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try {
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it = selection.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry featureGeometry = feature.getDefaultGeometry(); |
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List<Point> vertex = getSelectedVertex(featureGeometry, geometry); |
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if(vertex != null){ |
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selectedVertex.addAll(vertex); |
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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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} finally {
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it.dispose(); |
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} |
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if(!selectedVertex.isEmpty()){
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for (Iterator<Point> iterator = selectedVertex.iterator(); iterator.hasNext();) { |
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Point point = (Point) iterator.next(); |
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geometries.addStatus(point, selectedVertexEditingSymbol, "");
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} |
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} |
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Point firstPoint = (Point) values.get(this.firstPointParameter); |
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if (firstPoint != null){ |
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AffineTransform at = getMoveAffineTransform(firstPoint, mousePosition);
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if(!selectedVertex.isEmpty()){
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for (Iterator<Point> iterator = selectedVertex.iterator(); iterator.hasNext();) { |
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Point point = (Point) ((Point) iterator.next()).cloneGeometry(); |
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point.transform(at); |
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geometries.addStatus(point, selectedVertexEditingSymbol, "");
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} |
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} |
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it = null;
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try {
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it = selection.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry featureGeometry = feature.getDefaultGeometry(); |
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geometries.addGeometry(applyTransform(featureGeometry, at, geometry)); |
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} |
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} catch (BaseException e) {
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throw new InvalidEntryException(e); |
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} finally {
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it.dispose(); |
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} |
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} |
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} |
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return geometries;
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} |
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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return null; |
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} |
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private AffineTransform getMoveAffineTransform(Point p1, Point p2) { |
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AffineTransform translate =
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AffineTransform.getTranslateInstance(p2.getX() - p1.getX(),
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p2.getY() - p1.getY()); |
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return translate;
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} |
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public void stop() { |
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values.clear(); |
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} |
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public void setValue(Object value) throws InvalidEntryException { |
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EditingServiceParameter param = next(); |
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validateAndInsertValue(param, value); |
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} |
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public void finishAndStore() throws FinishServiceException { |
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FeatureSelection selection = |
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(FeatureSelection) values.get(selectionParameter); |
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try {
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if ((selection != null) && !selection.isEmpty()) { |
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Geometry geometry = (Geometry) values.get(this.geometryParameter);
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if (geometry != null) { |
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Point firstPoint =
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(Point) values.get(this.firstPointParameter); |
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if (firstPoint != null) { |
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Point secondPoint =
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(Point) values.get(this.secondPointParameter); |
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if (secondPoint != null) { |
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AffineTransform at =
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getMoveAffineTransform(firstPoint, secondPoint); |
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DisposableIterator it = null;
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try {
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it = selection.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry featureGeometry = |
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feature.getDefaultGeometry(); |
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Geometry geom = |
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applyTransform(featureGeometry, at, |
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geometry); |
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EditableFeature editableFeature = |
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feature.getEditable(); |
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editableFeature.setDefaultGeometry(geom); |
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((EditingProviderServices) getProviderServices()) |
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.updateFeatureInFeatureStore( |
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editableFeature, featureStore); |
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} |
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} catch (BaseException e) {
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throw new FinishServiceException(e); |
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} finally {
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it.dispose(); |
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} |
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} |
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} |
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} |
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} |
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} catch (DataException e) {
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throw new FinishServiceException(e); |
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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 start() throws StartServiceException { |
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this.values = new HashMap<EditingServiceParameter, Object>(); |
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FeatureSelection selected = null;
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if (featureStore != null) { |
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try {
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selected = |
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(FeatureSelection) featureStore.getFeatureSelection() |
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.clone(); |
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} catch (DataException e) {
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throw new StartServiceException(e); |
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} catch (CloneNotSupportedException e) { |
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// Do nothing
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} |
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if ((selected != null) && (selected.getSelectedCount() > 0)) { |
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values.put(selectionParameter, selected); |
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} |
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} |
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} |
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public String getName() { |
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return StretchEditingProviderFactory.PROVIDER_NAME;
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} |
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} |