gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.symmetry / src / main / java / org / gvsig / vectorediting / lib / prov / symmetry / SymmetryEditingProvider.java @ 80
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/*
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* Copyright 2014 DiSiD Technologies S.L.L. All rights reserved.
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*
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* Project : DiSiD org.gvsig.vectorediting.lib.prov.symmetry
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* SVN Id : $Id$
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*/
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package org.gvsig.vectorediting.lib.prov.symmetry; |
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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.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.FeatureAttributeDescriptor; |
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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.dal.feature.FeatureType; |
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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.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.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.EditingLocator; |
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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.EditingProviderServices; |
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public class SymmetryEditingProvider extends AbstractEditingProvider implements EditingProvider { |
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protected GeometryManager geomManager = GeometryLocator
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.getGeometryManager(); |
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private I18nManager i18nManager = ToolsLocator.getI18nManager();
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private EditingServiceParameter selectionParameter = new DefaultEditingServiceParameter( |
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"Selection", i18nManager.getTranslation("selection"), |
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TYPE.SELECTION); |
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private EditingServiceParameter firstPointParameter = new DefaultEditingServiceParameter( |
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"First point",
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i18nManager.getTranslation("first_point_of_symmetry_axis"),
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TYPE.POSITION); |
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private EditingServiceParameter secondPointParameter = new DefaultEditingServiceParameter( |
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"Second point",
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i18nManager.getTranslation("second_point_of_symmetry_axis"),
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TYPE.POSITION); |
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private EditingServiceParameter deleteOriginalGeometriesParameter = new DefaultEditingServiceParameter( |
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"Delete original geometries", i18nManager
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.getTranslation("delete_original_geometries_question")
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.concat(" (")
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.concat(i18nManager.getTranslation("short_yes"))
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.concat("/").concat(i18nManager.getTranslation("short_no")) |
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.concat(") "), TYPE.OPTION);
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private boolean deleteOriginalGeometries = false; |
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private Map<EditingServiceParameter, Object> values; |
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private FeatureStore featureStore;
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EditingProviderServices editingProviderServices = (EditingProviderServices) getProviderServices(); |
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public SymmetryEditingProvider(ProviderServices providerServices,
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DynObject parameters) {
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super(providerServices);
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this.featureStore = (FeatureStore) parameters
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.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD); |
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} |
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public DrawingStatus draw(Point mousePosition) throws DrawServiceException { |
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DefaultDrawingStatus geometries = new DefaultDrawingStatus();
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FeatureSelection selected = (FeatureSelection) values |
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.get(selectionParameter); |
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try {
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if (selected != null && !selected.isEmpty()) { |
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Point p1 = (Point) values.get(firstPointParameter); |
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if (p1 != null) { |
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Object p2Value = values.get(secondPointParameter);
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Point p2 = null; |
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if (p2Value != null && p2Value instanceof Point) { |
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p2 = (Point) p2Value;
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} else {
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p2 = mousePosition; |
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} |
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Line line;
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line = geomManager.createLine(featureStore |
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.getDefaultFeatureType() |
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.getDefaultGeometryAttribute().getGeomType() |
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.getSubType()); |
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line.addVertex(p1); |
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line.addVertex(p2); |
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geometries.addGeometry(line); |
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DisposableIterator it; |
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it = selected.fastIterator(); |
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AffineTransform at;
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try {
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at = getSymmetryAffineTransform(p1, p2); |
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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while (it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry geom = (Geometry) feat.getDefaultGeometry() |
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.cloneGeometry(); |
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geom.transform(at); |
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geometries.addGeometry(geom); |
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} |
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it.dispose(); |
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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 getSymmetryAffineTransform(Point axisP1, |
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Point axisP2) throws GeometryOperationNotSupportedException, |
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GeometryOperationException {
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AffineTransform translate = AffineTransform.getTranslateInstance( |
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-axisP1.getX(), -axisP1.getY()); |
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Double angle = -getAngle(axisP1, axisP2);
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AffineTransform rotate = AffineTransform.getRotateInstance(angle); |
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AffineTransform symmetry = new AffineTransform(1, 0, 0, -1, 0, 0); |
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AffineTransform inverseRotate = AffineTransform |
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.getRotateInstance(-angle); |
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AffineTransform inverseTranslate = AffineTransform |
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.getTranslateInstance(axisP1.getX(), axisP1.getY()); |
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AffineTransform at = new AffineTransform(translate); |
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at.preConcatenate(rotate); |
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at.preConcatenate(symmetry); |
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at.preConcatenate(inverseRotate); |
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at.preConcatenate(inverseTranslate); |
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return at;
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} |
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private static Double getAngle(Point start, Point end) |
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throws GeometryOperationNotSupportedException,
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GeometryOperationException {
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Double angle = Math.acos((end.getX() - start.getX()) |
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/ start.distance(end)); |
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if (start.getY() > end.getY()) {
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angle = -angle; |
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} |
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return angle;
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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(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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} else 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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public void stop() { |
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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 == deleteOriginalGeometriesParameter) { |
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if (value instanceof String) { |
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if (((String) value).trim().equalsIgnoreCase(i18nManager |
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.getTranslation("short_yes"))) {
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deleteOriginalGeometries = true;
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} else if (((String) value).trim().equalsIgnoreCase(i18nManager |
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.getTranslation("short_no"))) {
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deleteOriginalGeometries = false;
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} else {
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throw new InvalidEntryException(null); |
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} |
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values.put(param, value); |
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} |
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} |
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} |
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> list = new ArrayList<EditingServiceParameter>(); |
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list.add(selectionParameter); |
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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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public void value(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 selected = (FeatureSelection) values |
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.get(selectionParameter); |
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try {
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if (!selected.isEmpty()) {
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Point p1 = (Point) values.get(firstPointParameter); |
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Point p2 = (Point) values.get(secondPointParameter); |
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if (p1 != null && p2 != null) { |
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AffineTransform at;
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try {
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at = getSymmetryAffineTransform(p1, p2); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new FinishServiceException(e); |
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} catch (GeometryOperationException e) {
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throw new FinishServiceException(e); |
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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 feature = (Feature) it.next(); |
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Geometry geom = (Geometry) feature.getDefaultGeometry() |
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.cloneGeometry(); |
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geom.transform(at); |
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if (this.deleteOriginalGeometries) { |
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// Se sustituye la geometr?a original por la
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// calculada
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EditableFeature editableFeature = feature |
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.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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} else {
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// Se crea una feature nueva copiando los valores de
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// la feature original excepto aquellos que sean PK
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EditableFeature editableFeature = editingProviderServices.getFeatureCopyWithoutPK(featureStore, feature); |
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editableFeature.setDefaultGeometry(geom); |
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((EditingProviderServices) getProviderServices()) |
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.insertFeatureIntoFeatureStore( |
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editableFeature, featureStore); |
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} |
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} |
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it.dispose(); |
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featureStore.getFeatureSelection().deselectAll(); |
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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 = (FeatureSelection) featureStore.getFeatureSelection().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 SymmetryEditingProviderFactory.PROVIDER_NAME;
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} |
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} |