gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.regularpolygon / src / main / java / org / gvsig / vectorediting / lib / prov / regularpolygon / RegularPolygonEditingProvider.java @ 2101
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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.lib.prov.regularpolygon; |
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|
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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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|
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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.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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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.primitive.Circumference; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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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.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.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.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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/**
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*
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* @author llmarques
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*
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*/
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public class RegularPolygonEditingProvider extends AbstractEditingProvider |
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implements EditingProvider {
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protected final Integer DEFAULT_VALUE_SIDES = 5; |
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protected final String DEFAULT_VALUE_MODE = "key_inscribed"; |
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protected final String SIDES_KEY= "sides"; |
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protected final String MODE_KEY = "mode"; |
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protected EditingServiceParameter polygonSides;
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protected EditingServiceParameter center;
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protected EditingServiceParameter mode;
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protected EditingServiceParameter pointOfCircle;
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protected Map<EditingServiceParameter, Object> values; |
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protected Map<String, String> defaultValues = null; |
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protected Map<String, String> options; |
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protected FeatureStore featureStore;
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public RegularPolygonEditingProvider(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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Integer sideDefaultValue = Integer.valueOf((String)getDefaultValues().get(SIDES_KEY)); |
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if (sideDefaultValue == null){ |
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sideDefaultValue = DEFAULT_VALUE_SIDES; |
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} |
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polygonSides = |
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new DefaultEditingServiceParameter(SIDES_KEY, sideDefaultValue,
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"sides_of_regular_polygon", EditingServiceParameter.TYPE.VALUE);
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I18nManager i18nManager = ToolsLocator.getI18nManager(); |
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options = new LinkedHashMap<String, String>(); |
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options.put(i18nManager.getTranslation("key_inscribed"), "inscribed"); |
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options.put(i18nManager.getTranslation("key_circumscribed"),
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"circumscribed");
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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String consoleMsg =
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editingProviderServices.makeConsoleMessage(null, options);
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String modeDefaultValue = (String)getDefaultValues().get(MODE_KEY); |
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if (modeDefaultValue == null){ |
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modeDefaultValue = DEFAULT_VALUE_MODE; |
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} |
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mode = |
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new DefaultEditingServiceParameter(MODE_KEY, consoleMsg, options,
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modeDefaultValue, |
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EditingServiceParameter.TYPE.OPTION); |
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center = |
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new DefaultEditingServiceParameter("center", |
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"center_of_regular_polygon",
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EditingServiceParameter.TYPE.POSITION); |
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pointOfCircle = |
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new DefaultEditingServiceParameter("point_of_circle", |
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"point_of_circle", EditingServiceParameter.TYPE.POSITION);
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} |
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private Map<String, String> getDefaultValues() { |
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if (this.defaultValues == null){ |
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EditingProviderManager editingProviderManager = |
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EditingProviderLocator.getProviderManager(); |
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this.defaultValues = editingProviderManager.getDefaultValues("regularpolygon"); |
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} |
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return this.defaultValues; |
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} |
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public EditingServiceParameter next() {
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if (values.get(polygonSides) == null) { |
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return polygonSides;
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} else if (values.get(mode) == null) { |
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return mode;
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} else if (values.get(center) == null) { |
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return center;
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} else if (values.get(pointOfCircle) == null) { |
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return pointOfCircle;
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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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DefaultDrawingStatus drawingStatus = new DefaultDrawingStatus();
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EditingProviderManager editingProviderManager = |
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EditingProviderLocator.getProviderManager(); |
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ISymbol lineSymbolEditing = editingProviderManager.getSymbol("line-symbol-editing");
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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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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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if (values != null) { |
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Integer sidesValue = (Integer) values.get(polygonSides); |
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String modeValue = (String) values.get(mode); |
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Point centerValue = (Point) values.get(center); |
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if (centerValue != null) { |
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try {
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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if (modeValue == null) { |
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modeValue = (String)getDefaultValues().get(MODE_KEY);
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} |
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Curve polygon = |
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calculateRegularPolygon(modeValue, centerValue, |
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mousePosition, sidesValue); |
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Curve line = |
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editingProviderServices.createLine(centerValue, |
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mousePosition, subtype); |
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double radius = mousePosition.distance(centerValue);
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Circumference circumference = (Circumference) geometryManager.create(TYPES.CIRCUMFERENCE, SUBTYPES.GEOM2D); |
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circumference.setPoints(centerValue, radius); |
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drawingStatus.addStatus(circumference, auxiliaryLineSymbolEditing, "");
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if(polygon!=null){ |
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drawingStatus.addStatus(polygon, lineSymbolEditing, "");
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} |
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drawingStatus.addStatus(centerValue, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(line, auxiliaryLineSymbolEditing, "");
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} catch (BaseException 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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return drawingStatus;
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} |
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/**
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* Calculates polygon as of mode (inscribed or circumscribed), center of
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* polygon, point of circle and number of sides.
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*
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* @param modeValue
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* of polygon (inscribed or circumscribed).
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* @param centerValue
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* of polygon
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* @param pointOfCircleValue
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* of circle that inscribe or circumscribe polygon
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* @param sidesValue
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* number of sides.
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*/
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protected Curve calculateRegularPolygon(String modeValue, |
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Point centerValue, Point pointOfCircle, int sidesValue) |
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throws BaseException {
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GeometryManager geometryManager = GeometryLocator.getGeometryManager(); |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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int subtype = editingProviderServices.getSubType(featureStore);
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Curve polygon = |
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(Curve) geometryManager.create(Geometry.TYPES.CURVE, subtype); |
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double initAngle =
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editingProviderServices.getAngle(centerValue, pointOfCircle); |
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double radiusValue = pointOfCircle.distance(centerValue);
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if(radiusValue == 0.0){ |
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return null; |
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} |
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double theta = -(2 * Math.PI) / sidesValue; |
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if (modeValue.equalsIgnoreCase("key_inscribed")) { |
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for (int i = 0; i < sidesValue; ++i) { |
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double x =
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centerValue.getX() |
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+ (radiusValue * Math.cos((theta * i) + initAngle));
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double y =
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centerValue.getY() |
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+ (radiusValue * Math.sin((theta * i) + initAngle));
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Point createPoint =
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editingProviderServices.createPoint(x, y, subtype); |
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polygon.addVertex(createPoint); |
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} |
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} else if (modeValue.equalsIgnoreCase("key_circumscribed")) { |
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for (int i = 0; i < sidesValue; ++i) { |
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double x =
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centerValue.getX() |
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+ (radiusValue * Math.cos((theta * i) + initAngle));
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double y =
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centerValue.getY() |
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+ (radiusValue * Math.sin((theta * i) + initAngle));
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Point apothemPoint =
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editingProviderServices.createPoint(x, y, subtype); |
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Double[] apothemParams = |
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editingProviderServices.getLineParams(centerValue, |
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apothemPoint); |
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Point[] perpendicular = |
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editingProviderServices.getPerpendicular(apothemParams[0],
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apothemParams[1], apothemPoint, subtype);
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double x1 =
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centerValue.getX() |
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+ (radiusValue * Math
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.cos((theta * (i + 1)) + initAngle));
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double y1 =
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centerValue.getY() |
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+ (radiusValue * Math
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.sin((theta * (i + 1)) + initAngle));
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Point nextApothemPoint =
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editingProviderServices.createPoint(x1, y1, subtype); |
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Double[] nextApothemParams = |
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editingProviderServices.getLineParams(centerValue, |
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nextApothemPoint); |
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Point[] nextPerpendicular = |
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editingProviderServices.getPerpendicular( |
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nextApothemParams[0], nextApothemParams[1], |
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nextApothemPoint, subtype); |
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Point vertex =
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editingProviderServices.getIntersection(perpendicular, |
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nextPerpendicular, subtype); |
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polygon.addVertex(vertex); |
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} |
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} |
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polygon = (Curve) closeGeometry(polygon); |
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return polygon;
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} |
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|
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/**
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* Close geometry if it is necessary.
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*
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* @param geometry
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* to be closed.
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*/
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protected Geometry closeGeometry(Geometry geometry) {
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|
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if (!isClose(geometry) && (geometry != null)) { |
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if (geometry instanceof Surface) { |
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Surface surface = (Surface) geometry; |
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Point firstp = surface.getVertex(0); |
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firstp = (Point) firstp.cloneGeometry();
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surface.addVertex(firstp); |
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return surface;
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} else if (geometry instanceof Curve) { |
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Curve line = (Curve) geometry; |
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Point firstp = line.getVertex(0); |
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firstp = (Point) firstp.cloneGeometry();
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line.addVertex(firstp); |
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return line;
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} |
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} |
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return geometry;
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} |
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|
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/**
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* Gets if the geometry received by parameter is closed or not.
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*
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* @param geometry
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* @return True if geometry is closed, otherwise false.
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*/
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private boolean isClose(Geometry geometry) { |
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|
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if (geometry != null) { |
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|
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if (geometry instanceof OrientablePrimitive) { |
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OrientablePrimitive orientablePrimitive = |
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(OrientablePrimitive) geometry; |
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Point firstPoint = orientablePrimitive.getVertex(0); |
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Point lastPoint =
|
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orientablePrimitive.getVertex(orientablePrimitive |
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.getNumVertices() - 1);
|
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if (firstPoint.equals(lastPoint)) {
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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public void stop() throws StopServiceException { |
378 |
if (values != null) { |
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values.clear(); |
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} |
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} |
382 |
|
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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(polygonSides); |
387 |
parameters.add(mode); |
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parameters.add(center); |
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parameters.add(pointOfCircle); |
390 |
|
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return parameters;
|
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} |
393 |
|
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public void setValue(Object value) throws InvalidEntryException { |
395 |
EditingServiceParameter parameter = next(); |
396 |
validateAndInsertValue(parameter, value); |
397 |
} |
398 |
|
399 |
private void validateAndInsertValue(EditingServiceParameter param, |
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Object value) throws InvalidEntryException { |
401 |
|
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if (param == polygonSides) {
|
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if (value instanceof Double) { |
404 |
|
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Integer sides = ((Double) value).intValue(); |
406 |
|
407 |
if (sides > 2) { |
408 |
values.put(param, sides); |
409 |
getDefaultValues().put(SIDES_KEY, sides.toString()); |
410 |
polygonSides.setDefaultValue(sides.toString()); |
411 |
return;
|
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} else {
|
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throw new InvalidEntryException(null); |
414 |
} |
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} else if (value instanceof Point) { |
416 |
|
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values.put(param, Integer.valueOf((String)getDefaultValues().get(SIDES_KEY))); |
418 |
values.put(center, (Point) value);
|
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return;
|
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} |
421 |
} else if (param == mode) { |
422 |
|
423 |
if (value instanceof String) { |
424 |
|
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I18nManager i18nManager = ToolsLocator.getI18nManager(); |
426 |
String option = (String) value; |
427 |
|
428 |
if (option.equalsIgnoreCase(i18nManager
|
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.getTranslation("key_inscribed"))) {
|
430 |
|
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values.put(param, "key_inscribed");
|
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getDefaultValues().put(MODE_KEY, "key_inscribed");
|
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mode.setDefaultValue("key_inscribed");
|
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return;
|
435 |
|
436 |
} else if (option.equalsIgnoreCase(i18nManager |
437 |
.getTranslation("key_circumscribed"))) {
|
438 |
|
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values.put(param, "key_circumscribed");
|
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getDefaultValues().put(MODE_KEY, "key_circumscribed");
|
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mode.setDefaultValue("key_circumscribed");
|
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return;
|
443 |
|
444 |
} else {
|
445 |
throw new InvalidEntryException(null); |
446 |
} |
447 |
} else if (value instanceof Point) { |
448 |
|
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values.put(param, getDefaultValues().get(MODE_KEY)); |
450 |
if(values.get(center) != null){ |
451 |
values.put(pointOfCircle, (Point) value);
|
452 |
} else {
|
453 |
values.put(center, (Point) value);
|
454 |
} |
455 |
return;
|
456 |
} |
457 |
|
458 |
} else if (param == center) { |
459 |
|
460 |
if (value instanceof Point) { |
461 |
values.put(param, value); |
462 |
return;
|
463 |
} |
464 |
|
465 |
} else if (param == pointOfCircle) { |
466 |
if (value instanceof Point) { |
467 |
values.put(param, value); |
468 |
return;
|
469 |
} |
470 |
|
471 |
} |
472 |
throw new InvalidEntryException(null); |
473 |
} |
474 |
|
475 |
public Geometry finish() throws FinishServiceException { |
476 |
|
477 |
if (values != null) { |
478 |
|
479 |
Integer sidesValue = (Integer) values.get(polygonSides); |
480 |
String modeValue = (String) values.get(mode); |
481 |
Point centerValue = (Point) values.get(center); |
482 |
Point pointOfCircleValue = (Point) values.get(pointOfCircle); |
483 |
|
484 |
try {
|
485 |
Curve polygon = |
486 |
calculateRegularPolygon(modeValue, centerValue, |
487 |
pointOfCircleValue, sidesValue); |
488 |
if(polygon!=null){ |
489 |
EditingProviderServices editingProviderServices = |
490 |
(EditingProviderServices) getProviderServices(); |
491 |
GeometryType geomType = |
492 |
editingProviderServices.getGeomType(featureStore); |
493 |
|
494 |
if (geomType.isTypeOf(Geometry.TYPES.MULTICURVE)) {
|
495 |
|
496 |
MultiCurve multiCurve = |
497 |
GeometryLocator.getGeometryManager().createMultiCurve( |
498 |
geomType.getSubType()); |
499 |
multiCurve.addCurve(polygon); |
500 |
return multiCurve;
|
501 |
} |
502 |
} |
503 |
|
504 |
return polygon;
|
505 |
} catch (Exception e) { |
506 |
throw new FinishServiceException(e); |
507 |
} |
508 |
} |
509 |
return null; |
510 |
} |
511 |
|
512 |
public void finishAndStore() throws FinishServiceException { |
513 |
try {
|
514 |
Geometry geometry = finish(); |
515 |
if (geometry != null) { |
516 |
EditingProviderServices editingProviderServices = |
517 |
(EditingProviderServices) getProviderServices(); |
518 |
editingProviderServices.insertGeometryIntoFeatureStore( |
519 |
geometry, featureStore); |
520 |
} |
521 |
} catch (Exception e) { |
522 |
throw new FinishServiceException(e); |
523 |
} |
524 |
|
525 |
} |
526 |
|
527 |
public void start() throws StartServiceException { |
528 |
values = new HashMap<EditingServiceParameter, Object>(); |
529 |
} |
530 |
|
531 |
public String getName() { |
532 |
return RegularPolygonEditingProviderFactory.PROVIDER_NAME;
|
533 |
} |
534 |
|
535 |
} |