gvsig-vectorediting / org.gvsig.vectorediting.offset / trunk / org.gvsig.vectorediting.offset / org.gvsig.vectorediting.offset.lib / org.gvsig.vectorediting.offset.lib.prov / org.gvsig.vectorediting.offset.lib.prov.offset / src / main / java / org / gvsig / vectorediting / offset / lib / prov / offset / OffsetEditingProvider.java @ 2173
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2014 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.offset.lib.prov.offset; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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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.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.Aggregate; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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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.Arc; |
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import org.gvsig.fmap.geom.primitive.Circle; |
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import org.gvsig.fmap.geom.primitive.Circumference; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Ellipse; |
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import org.gvsig.fmap.geom.primitive.FilledSpline; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.PeriEllipse; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.fmap.geom.primitive.Spline; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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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.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.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 OffsetEditingProvider extends AbstractEditingProvider implements |
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EditingProvider {
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private static final Double PRECISION = 1.0e-5; |
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private static final String LEFT = "_left"; |
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private static final String RIGHT = "_right"; |
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private final EditingServiceParameter selectionParameter; |
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private final EditingServiceParameter offsetParameter; |
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private final EditingServiceParameter sideParameter; |
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private final EditingServiceParameter deleteOriginalGeometriesParameter; |
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private boolean deleteOriginalGeometries = false; |
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private Map<EditingServiceParameter, Object> values; |
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private final Map<String, String> options; |
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private final FeatureStore featureStore; |
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public OffsetEditingProvider(ProviderServices providerServices, DynObject parameters) {
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super(providerServices);
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this.featureStore = (FeatureStore) parameters.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD);
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I18nManager i18nManager = ToolsLocator.getI18nManager(); |
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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.offsetParameter
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= new DefaultEditingServiceParameter("offset_distance", |
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i18nManager.getTranslation("offset_distance"),
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TYPE.POSITION, TYPE.VALUE, TYPE.DISTANCE); |
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Map<String, String> sideOptions = new HashMap<>(); |
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sideOptions.put(LEFT, i18nManager.getTranslation(LEFT)); |
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sideOptions.put(RIGHT, i18nManager.getTranslation(RIGHT)); |
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this.sideParameter
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= new DefaultEditingServiceParameter("side", |
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i18nManager.getTranslation("_side"),
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sideOptions, |
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TYPE.OPTION, TYPE.POSITION); |
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this.options = new LinkedHashMap<>(); |
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options.put(i18nManager.getTranslation("short_yes"),
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"delete_original_geometries");
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options.put(i18nManager.getTranslation("short_no"),
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"keep_original_geometries");
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// EditingProviderServices editingProviderServices
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// = (EditingProviderServices) getProviderServices();
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String consoleMsg
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= ((EditingProviderServices)providerServices).makeConsoleMessage( |
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"delete_original_geometries_question", options);
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this.deleteOriginalGeometriesParameter
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= new DefaultEditingServiceParameter("Delete original geometries", |
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consoleMsg, options, TYPE.OPTION); |
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} |
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@Override
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public EditingServiceParameter next() {
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if (values.get(selectionParameter) == null) { |
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return selectionParameter;
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} else if (values.get(offsetParameter) == null) { |
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return offsetParameter;
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} else if (values.get(sideParameter) == null) { |
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Object offsetValue = values.get(offsetParameter);
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if (!(offsetValue instanceof Point)) { |
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Double distance = (Double) offsetValue; |
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if (distance >= 0) { |
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return sideParameter;
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} |
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} |
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} |
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if (values.get(deleteOriginalGeometriesParameter) == null) { |
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return this.deleteOriginalGeometriesParameter; |
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} |
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return null; |
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} |
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@Override
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public DrawingStatus getDrawingStatus(Point mousePosition) throws DrawServiceException { |
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DefaultDrawingStatus drawingStatus = new DefaultDrawingStatus();
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EditingProviderManager editingProviderManager |
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= EditingProviderLocator.getProviderManager(); |
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// ISymbol auxiliaryLineSymbolEditing = editingProviderManager.getSymbol("auxiliary-line-symbol-editing");
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ISymbol auxiliaryPointSymbolEditing = editingProviderManager.getSymbol("auxiliary-point-symbol-editing");
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ISymbol auxiliaryLineSymbolEditingDirection = editingProviderManager.getSymbol("auxiliary-line-symbol-editing-direction");
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ISymbol lineSymbolEditing = editingProviderManager.getSymbol("line-symbol-editing");
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ISymbol polygonSymbolEditing = editingProviderManager.getSymbol("polygon-symbol-editing");
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FeatureSelection selected |
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= (FeatureSelection) values.get(selectionParameter); |
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try {
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if ((selected != null) && !selected.isEmpty()) { |
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Point point; // = null; |
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double distance = 0.0; |
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double side = 1.0; |
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Object offsetValue = values.get(offsetParameter);
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if (offsetValue != null) { |
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if (offsetValue instanceof Point) { |
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distance = Math.abs(getMinDistance(selected, (Point) offsetValue)); |
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} else {
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distance = (Double) offsetValue;
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} |
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Object sideValue = values.get(sideParameter);
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if (sideValue == null) { |
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point = mousePosition; |
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side = Math.signum(getMinDistance(selected, point));
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} else {
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Double signum = getSideSignum((String) sideValue); |
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if (signum != null) { |
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side = signum; |
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} |
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} |
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} else {
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point = mousePosition; |
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distance = getMinDistance(selected, point); |
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} |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry transformedGeometry = feat.getDefaultGeometry().offset(distance * side); |
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ISymbol symbol = null;
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if (transformedGeometry instanceof Curve || transformedGeometry instanceof MultiCurve) { |
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symbol = lineSymbolEditing; |
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drawingStatus.addStatus(feat.getDefaultGeometry(), auxiliaryLineSymbolEditingDirection, "Direction");
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} else if (transformedGeometry instanceof Surface || transformedGeometry instanceof MultiSurface) { |
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symbol = polygonSymbolEditing; |
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} else if (transformedGeometry instanceof Point || transformedGeometry instanceof MultiPoint) { |
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symbol = auxiliaryPointSymbolEditing; |
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} |
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if (transformedGeometry instanceof Aggregate) { |
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int primitivesNumber = ((Aggregate) transformedGeometry).getPrimitivesNumber();
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for (int i = 0; i < primitivesNumber; i++) { |
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drawingStatus.addStatus(((Aggregate) transformedGeometry).getPrimitiveAt(i), symbol, "");
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} |
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} else {
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drawingStatus.addStatus(transformedGeometry, symbol, "");
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} |
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} |
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it.dispose(); |
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} |
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return drawingStatus;
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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} |
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/**
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* @param selected
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* @param point
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* @return
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* @throws DataException
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* @throws GeometryOperationException
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* @throws GeometryOperationNotSupportedException
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* @throws GeometryException
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*/
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private double getMinDistance(FeatureSelection selected, Point point) throws DataException, GeometryOperationNotSupportedException, GeometryOperationException, GeometryException { |
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double minorDistance = Double.POSITIVE_INFINITY; |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry geometry = feat.getDefaultGeometry(); |
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double distance = getDistance(geometry, point);
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if (distance < minorDistance) {
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minorDistance = distance; |
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} |
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} |
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it.dispose(); |
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return minorDistance;
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} |
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/**
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* @param geometry
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* @param point
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* @return
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* @throws GeometryOperationException
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* @throws GeometryOperationNotSupportedException
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* @throws GeometryException
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*/
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private double getDistance(Geometry geometry, Point point) throws GeometryOperationNotSupportedException, GeometryOperationException, GeometryException { |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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if (geometry instanceof Arc) { |
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Arc arc = (Arc) geometry; |
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Point center = arc.getCenterPoint();
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double radius = center.distance(arc.getInitPoint());
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double distance = center.distance(point) - radius;
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return distance;
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} |
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if (geometry instanceof Circle) { |
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Circle circle = (Circle) geometry; |
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return circle.getCenter().distance(point) - circle.getRadious();
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} |
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if (geometry instanceof Circumference) { |
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Circumference circumference = (Circumference) geometry; |
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return circumference.getCenter().distance(point) - circumference.getRadious();
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} |
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if (geometry instanceof PeriEllipse) { |
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double minDistance = Double.POSITIVE_INFINITY; |
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PeriEllipse ellipse = (PeriEllipse) geometry; |
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Geometry[] closestPoints = point.closestPoints(ellipse);
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if (closestPoints != null) { |
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for (int i = 0; i < closestPoints.length; i++) { |
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Geometry closestPoint = closestPoints[i]; |
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if (!point.equals(closestPoint)) {
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double distance = closestPoint.distance(point);
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if (distance < minDistance) {
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minDistance = distance; |
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} |
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} |
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} |
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} |
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Ellipse auxEllipse = (Ellipse) geomManager.create(Geometry.TYPES.ELLIPSE, geometry.getGeometryType().getSubType()); |
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auxEllipse.setPoints(ellipse.getAxis1Start(), ellipse.getAxis1End(), ellipse.getAxis2Dist()); |
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if (auxEllipse.contains(point)) {
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return -minDistance;
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} |
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return minDistance;
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} |
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if (geometry instanceof Ellipse) { |
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Ellipse ellipse = (Ellipse) geometry; |
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PeriEllipse auxPeriEllipse = (PeriEllipse) geomManager.create(Geometry.TYPES.PERIELLIPSE, geometry.getGeometryType().getSubType()); |
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auxPeriEllipse.setPoints(ellipse.getAxis1Start(), ellipse.getAxis1End(), ellipse.getAxis2Dist()); |
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double distance = getDistance(auxPeriEllipse, point);
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return distance;
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} |
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if (geometry instanceof Spline || geometry instanceof FilledSpline) { |
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return getDistance(geometry.toLines().getPrimitiveAt(0), point); |
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} |
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if (geometry instanceof Line) { |
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Line line = (Line) geometry; |
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double minDistance = Double.POSITIVE_INFINITY; |
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Geometry[] closestPoints = point.closestPoints(line);
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Point closestPoint = null; |
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if (closestPoints != null) { |
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for (Geometry closestPoint1 : closestPoints) {
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Point p = (Point) closestPoint1; |
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if (!point.equals(p)) {
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double distance = p.distance(point);
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if (distance < minDistance) {
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minDistance = distance; |
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closestPoint = p; |
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} |
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} |
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} |
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} |
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if (closestPoint != null) { |
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for (int i = 0; i < line.getNumVertices() - 1; i++) { |
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Line segment = (Line) geomManager.create(Geometry.TYPES.LINE, geometry.getGeometryType().getSubType()); |
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segment.addVertex(line.getVertex(i)); |
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segment.addVertex(line.getVertex(i + 1));
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if (segment.isWithinDistance(closestPoint, PRECISION)) {
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if (line.getVertex(0).equals(line.getVertex(line.getNumVertices() - 1))) { //isClosed |
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if (line.toPolygons().contains(point)) {
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return -minDistance;
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} |
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return minDistance;
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} else {
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return getDirectedDistance(closestPoint, point, segment);
|
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} |
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} |
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} |
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} |
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} |
| 370 |
|
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if (geometry instanceof Polygon) { |
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Polygon polygon = (Polygon) geometry; |
| 373 |
if (!polygon.contains(point)) {
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double minDistance = Double.POSITIVE_INFINITY; |
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Geometry[] closestPoints = point.closestPoints(polygon);
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Point closestPoint = null; |
| 377 |
if (closestPoints != null) { |
| 378 |
for (Geometry closestPoint1 : closestPoints) {
|
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Point p = (Point) closestPoint1; |
| 380 |
if (!point.equals(p)) {
|
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double distance = p.distance(point);
|
| 382 |
if (distance < minDistance) {
|
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minDistance = distance; |
| 384 |
closestPoint = p; |
| 385 |
} |
| 386 |
} |
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} |
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} |
| 389 |
if (closestPoint != null) { |
| 390 |
return closestPoint.distance(point);
|
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} |
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} else {
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Line auxLine = (Line) polygon.toLines().getPrimitiveAt(0); |
| 394 |
if (auxLine != null) { |
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return getDistance(auxLine, point);
|
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} |
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} |
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} |
| 399 |
|
| 400 |
if (geometry instanceof Aggregate) { |
| 401 |
double minDistance = Double.POSITIVE_INFINITY; |
| 402 |
Aggregate aggregate2 = (Aggregate) geometry; |
| 403 |
for (int i = 0; i < aggregate2.getPrimitivesNumber(); i++) { |
| 404 |
double distance = getDistance(aggregate2.getPrimitiveAt(i), point);
|
| 405 |
if (distance < minDistance) {
|
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minDistance = distance; |
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} |
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} |
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return minDistance;
|
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} |
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return 0.0; |
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} |
| 413 |
|
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@Override
|
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public void stop() { |
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values.clear(); |
| 417 |
} |
| 418 |
|
| 419 |
private void validateAndInsertValue(EditingServiceParameter param, |
| 420 |
Object value) throws InvalidEntryException { |
| 421 |
I18nManager i18nManager = ToolsLocator.getI18nManager(); |
| 422 |
|
| 423 |
if (param == selectionParameter) {
|
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if (value instanceof FeatureSelection) { |
| 425 |
values.put(param, value); |
| 426 |
} |
| 427 |
} else if (param == offsetParameter) { |
| 428 |
if (value instanceof Point) { |
| 429 |
try {
|
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Double distance = getMinDistance((FeatureSelection) values.get(selectionParameter), (Point) value); |
| 431 |
values.put(param, Math.abs(distance));
|
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values.put(sideParameter, coerceSide(distance)); |
| 433 |
} catch (Exception e) { |
| 434 |
throw new InvalidEntryException(e); |
| 435 |
} |
| 436 |
return;
|
| 437 |
} |
| 438 |
if (value instanceof Double) { |
| 439 |
Double distance = (Double) value; |
| 440 |
if (distance >= 0) { |
| 441 |
values.put(param, value); |
| 442 |
} else {
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| 443 |
values.put(param, Math.abs(distance));
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values.put(sideParameter, coerceSide(distance)); |
| 445 |
} |
| 446 |
} |
| 447 |
} else if (param == sideParameter) { |
| 448 |
if (value instanceof Point) { |
| 449 |
try {
|
| 450 |
values.put(param, coerceSide(getMinDistance((FeatureSelection) values.get(selectionParameter), (Point) value)));
|
| 451 |
} catch (Exception e) { |
| 452 |
throw new InvalidEntryException(e); |
| 453 |
} |
| 454 |
return;
|
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} |
| 456 |
if (value instanceof String) { |
| 457 |
values.put(param, coerceSide(value)); |
| 458 |
} |
| 459 |
} else if (param == deleteOriginalGeometriesParameter) { |
| 460 |
if (value instanceof String) { |
| 461 |
if (((String) value).trim().equalsIgnoreCase( |
| 462 |
i18nManager.getTranslation("short_yes"))) {
|
| 463 |
deleteOriginalGeometries = true;
|
| 464 |
} else if (((String) value).trim().equalsIgnoreCase( |
| 465 |
i18nManager.getTranslation("short_no"))) {
|
| 466 |
deleteOriginalGeometries = false;
|
| 467 |
} else {
|
| 468 |
throw new InvalidEntryException(null); |
| 469 |
} |
| 470 |
values.put(param, value); |
| 471 |
} |
| 472 |
} |
| 473 |
|
| 474 |
} |
| 475 |
|
| 476 |
private String coerceSide(Object value) throws InvalidEntryException { |
| 477 |
|
| 478 |
if (value instanceof Double) { |
| 479 |
return (Double) value >= 0 ? LEFT : RIGHT; |
| 480 |
} |
| 481 |
if (value instanceof String) { |
| 482 |
Double signum = getSideSignum((String) value); |
| 483 |
if (signum != null) { |
| 484 |
return signum >= 0 ? LEFT : RIGHT; |
| 485 |
} |
| 486 |
} |
| 487 |
throw new InvalidEntryException(null); |
| 488 |
} |
| 489 |
|
| 490 |
private Double getSideSignum(String side) { |
| 491 |
I18nManager i18nManager = ToolsLocator.getI18nManager(); |
| 492 |
String sideTrim = side.trim();
|
| 493 |
if (StringUtils.equalsIgnoreCase(sideTrim, LEFT)
|
| 494 |
|| StringUtils.startsWithIgnoreCase(i18nManager.getTranslation(LEFT), sideTrim)) {
|
| 495 |
return 1.0; |
| 496 |
} else if (StringUtils.equalsIgnoreCase(sideTrim, RIGHT) |
| 497 |
|| StringUtils.startsWithIgnoreCase(i18nManager.getTranslation(RIGHT), sideTrim)) {
|
| 498 |
return -1.0; |
| 499 |
} |
| 500 |
return null; |
| 501 |
} |
| 502 |
|
| 503 |
@Override
|
| 504 |
public List<EditingServiceParameter> getParameters() { |
| 505 |
List<EditingServiceParameter> list
|
| 506 |
= new ArrayList<>(); |
| 507 |
list.add(selectionParameter); |
| 508 |
list.add(offsetParameter); |
| 509 |
list.add(sideParameter); |
| 510 |
return list;
|
| 511 |
} |
| 512 |
|
| 513 |
@Override
|
| 514 |
public void setValue(Object value) throws InvalidEntryException { |
| 515 |
EditingServiceParameter param = next(); |
| 516 |
validateAndInsertValue(param, value); |
| 517 |
} |
| 518 |
|
| 519 |
@Override
|
| 520 |
public void finishAndStore() throws FinishServiceException { |
| 521 |
|
| 522 |
FeatureSelection selected |
| 523 |
= (FeatureSelection) values.get(selectionParameter); |
| 524 |
try {
|
| 525 |
if (!selected.isEmpty()) {
|
| 526 |
double side = 1.0; |
| 527 |
Object sideValue = values.get(sideParameter);
|
| 528 |
if (sideValue != null) { |
| 529 |
if (sideValue instanceof String) { |
| 530 |
Double signum = getSideSignum((String) sideValue); |
| 531 |
side = signum != null ? signum : null; |
| 532 |
} |
| 533 |
} |
| 534 |
double distance = ((Double) values.get(offsetParameter)) * side; |
| 535 |
DisposableIterator it; |
| 536 |
it = selected.fastIterator(); |
| 537 |
|
| 538 |
while (it.hasNext()) {
|
| 539 |
Feature feature = (Feature) it.next(); |
| 540 |
Geometry geom; |
| 541 |
try {
|
| 542 |
geom = feature.getDefaultGeometry().offset(distance); |
| 543 |
} catch (GeometryOperationNotSupportedException | GeometryOperationException e) {
|
| 544 |
throw new FinishServiceException(e); |
| 545 |
} |
| 546 |
|
| 547 |
if (this.deleteOriginalGeometries) { |
| 548 |
// Se sustituye la geometr?a original por la
|
| 549 |
// calculada
|
| 550 |
EditableFeature editableFeature |
| 551 |
= feature.getEditable(); |
| 552 |
editableFeature.setDefaultGeometry(geom); |
| 553 |
((EditingProviderServices) getProviderServices()) |
| 554 |
.updateFeatureInFeatureStore(editableFeature, |
| 555 |
featureStore); |
| 556 |
} else {
|
| 557 |
// Se crea una feature nueva copiando los valores de
|
| 558 |
// la feature original excepto aquellos que sean PK
|
| 559 |
EditingProviderServices editingProviderServices |
| 560 |
= (EditingProviderServices) getProviderServices(); |
| 561 |
EditableFeature editableFeature |
| 562 |
= editingProviderServices |
| 563 |
.getFeatureCopyWithoutPK(featureStore, |
| 564 |
feature); |
| 565 |
editableFeature.setDefaultGeometry(geom); |
| 566 |
editingProviderServices |
| 567 |
.insertFeatureIntoFeatureStore(editableFeature, |
| 568 |
featureStore); |
| 569 |
} |
| 570 |
|
| 571 |
} |
| 572 |
it.dispose(); |
| 573 |
featureStore.getFeatureSelection().deselectAll(); |
| 574 |
} |
| 575 |
} catch (DataException e) {
|
| 576 |
throw new FinishServiceException(e); |
| 577 |
} |
| 578 |
} |
| 579 |
|
| 580 |
private Double getDirectedDistance(Point pointInLine, Point distancePoint, Line line) |
| 581 |
throws GeometryOperationNotSupportedException, GeometryOperationException {
|
| 582 |
Double distance = distancePoint.distance(pointInLine);
|
| 583 |
EditingProviderServices editingProviderServices |
| 584 |
= (EditingProviderServices) getProviderServices(); |
| 585 |
Double angle = editingProviderServices.getAngle(pointInLine, distancePoint);
|
| 586 |
double angleLine = editingProviderServices.getAngle(line.getVertex(0), line.getVertex(1)); |
| 587 |
|
| 588 |
Double angleDifference = angle - angleLine;
|
| 589 |
if (angleDifference < 0) { |
| 590 |
angleDifference += 2 * Math.PI; |
| 591 |
} |
| 592 |
if (angleDifference > Math.PI) { |
| 593 |
distance = -distance; |
| 594 |
} |
| 595 |
return distance;
|
| 596 |
} |
| 597 |
|
| 598 |
@Override
|
| 599 |
public Geometry finish() throws FinishServiceException { |
| 600 |
return null; |
| 601 |
} |
| 602 |
|
| 603 |
@Override
|
| 604 |
public void start() throws StartServiceException { |
| 605 |
this.values = new HashMap<>(); |
| 606 |
FeatureSelection selected = null;
|
| 607 |
if (featureStore != null) { |
| 608 |
try {
|
| 609 |
selected |
| 610 |
= (FeatureSelection) featureStore.getFeatureSelection() |
| 611 |
.clone(); |
| 612 |
} catch (DataException e) {
|
| 613 |
throw new StartServiceException(e); |
| 614 |
} catch (CloneNotSupportedException e) { |
| 615 |
// Do nothing
|
| 616 |
} |
| 617 |
if ((selected != null) && (selected.getSelectedCount() > 0)) { |
| 618 |
values.put(selectionParameter, selected); |
| 619 |
} |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
@Override
|
| 624 |
public String getName() { |
| 625 |
return OffsetEditingProviderFactory.PROVIDER_NAME;
|
| 626 |
} |
| 627 |
} |