gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.polyline / src / main / java / org / gvsig / vectorediting / lib / prov / polyline / PolylineEditingProvider.java @ 333
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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.polyline; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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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.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.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.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.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.DrawingStatus.Status; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
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import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.VectorEditingException; |
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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 PolylineEditingProvider extends AbstractEditingProvider implements |
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EditingProvider {
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protected EditingProviderServices editingProviderServices =
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(EditingProviderServices) getProviderServices(); |
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protected EditingServiceParameter points;
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protected Map<String, String> options; |
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private boolean arcMode; |
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private boolean finishPolyline; |
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private boolean closeGeometry; |
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private List<MyPolyLinePoint> values; |
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protected FeatureStore featureStore;
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public PolylineEditingProvider(ProviderServices providerServices,
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DynObject parameters) {
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super(providerServices);
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// Initialize all provider variables.
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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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I18nManager i18nManager = ToolsLocator.getI18nManager(); |
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options = new LinkedHashMap<String, String>(); |
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options.put(i18nManager.getTranslation("key_arc_mode"), "arc_mode"); |
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options.put(i18nManager.getTranslation("key_line_mode"), "line_mode"); |
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options.put(i18nManager.getTranslation("key_close"), "close_polyline"); |
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options.put(i18nManager.getTranslation("key_finish"), "finish"); |
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String consoleMsg =
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editingProviderServices.makeConsoleMessage("indicate_new_point",
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options); |
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points = |
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new DefaultEditingServiceParameter("insert_point", consoleMsg, |
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options, TYPE.LIST_POSITIONS, TYPE.OPTION); |
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arcMode = false;
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finishPolyline = false;
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closeGeometry = false;
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} |
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/**
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* Calculates polyline with stored values and last position received as
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* parameter. If last position is null calculates only with stored values.
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*
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* @param lastPosition
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* of polyline.
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* @return A drawing status value with a list of geometries. See
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* {@link DrawingStatus#getGeometries()}.
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*/
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private DrawingStatus calculatePolyline(Point lastPosition) |
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throws VectorEditingException {
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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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Double antm = null; |
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Double antb = null; |
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Double m = null; |
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Double b = null; |
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Point center = null; |
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double radius = 0.0; |
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double startAngle = 0.0; |
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double endAngle = 0.0; |
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double angleExt = 0.0; |
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boolean right = false; |
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boolean addGeom = false; |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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Curve lineAntPointToPoint = null;
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if (values.size() >= 1) { |
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for (int i = 0; i < values.size(); i++) { |
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MyPolyLinePoint polyLinePoint = values.get(i); |
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MyPolyLinePoint polyLineNextPoint = getNextPoint(i); |
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Point point = polyLinePoint.getPoint();
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Point nextPoint;
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if (polyLineNextPoint == null) { |
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nextPoint = lastPosition; |
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addGeom = true;
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} else {
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nextPoint = polyLineNextPoint.getPoint(); |
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} |
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if (nextPoint == null) { |
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return drawingStatus;
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} |
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if (polyLinePoint.isArcMode()) {
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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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lineAntPointToPoint = |
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editingProviderServices.createLine(point, |
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nextPoint, subtype); |
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Double[] lineParams = |
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editingProviderServices.getLineParams(point, |
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nextPoint); |
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m = lineParams[0];
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b = lineParams[1];
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Point[] pointPerpendicular = |
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editingProviderServices.getPerpendicular(antm, |
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antb, point, subtype); |
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Line linePointPerpendicular =
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geomManager.createLine(subtype); |
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linePointPerpendicular.setPoints(pointPerpendicular[0],
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pointPerpendicular[1]);
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Point midPoint =
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editingProviderServices.getMidPoint(point, |
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nextPoint, subtype); |
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Point[] bisector = |
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editingProviderServices.getPerpendicular(m, b, |
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midPoint, subtype); |
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Line lineBisector = geomManager.createLine(subtype);
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lineBisector.setPoints(bisector[0], bisector[1]); |
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center = |
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editingProviderServices.getIntersection(bisector, |
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pointPerpendicular, subtype); |
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if (center != null) { |
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startAngle = |
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editingProviderServices.getAngle(center, point); |
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endAngle = |
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editingProviderServices.getAngle(center, |
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nextPoint); |
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radius = center.distance(point); |
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} else {
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String msg =
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String.format(
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"Can't get intersection between bisector"
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+ " [(%1$s,%2$s),(%3$s,%4$s)]"
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+ " and perperdicular"
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+ " [(%5$s,%6$s),(%7$s,%8$s)]",
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bisector[0].getX(), bisector[0].getY(), |
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bisector[1].getX(), bisector[1].getY(), |
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pointPerpendicular[0].getX(),
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pointPerpendicular[0].getY(),
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pointPerpendicular[1].getX(),
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pointPerpendicular[1].getY());
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throw new DrawServiceException(msg, null); |
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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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if (right) {
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if (nextPoint.getX() >= point.getX()) {
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if (m >= antm) {
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angleExt = |
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editingProviderServices.angleDistance( |
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endAngle, startAngle); |
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right = !(nextPoint.getY() >= center.getY()); |
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} else {
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angleExt = |
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-editingProviderServices.angleDistance( |
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startAngle, endAngle); |
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right = (nextPoint.getY() >= center.getY()); |
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} |
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} else {
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if (m >= antm) {
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angleExt = |
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-editingProviderServices.angleDistance( |
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startAngle, endAngle); |
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right = (nextPoint.getY() >= center.getY()); |
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} else {
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angleExt = |
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editingProviderServices.angleDistance( |
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endAngle, startAngle); |
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right = !(nextPoint.getY() >= center.getY()); |
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} |
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} |
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} else {
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if (nextPoint.getX() < point.getX()) {
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if (m >= antm) {
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angleExt = |
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editingProviderServices.angleDistance( |
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endAngle, startAngle); |
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right = !(nextPoint.getY() >= center.getY()); |
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} else {
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angleExt = |
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-editingProviderServices.angleDistance( |
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startAngle, endAngle); |
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right = (nextPoint.getY() >= center.getY()); |
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} |
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} else {
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if (m >= antm) {
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angleExt = |
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-editingProviderServices.angleDistance( |
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startAngle, endAngle); |
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right = (nextPoint.getY() >= center.getY()); |
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} else {
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angleExt = |
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editingProviderServices.angleDistance( |
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endAngle, startAngle); |
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right = !(nextPoint.getY() >= center.getY()); |
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} |
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} |
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} |
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Curve arco = null;
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try {
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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arco = |
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editingProviderServices.createArc(center, radius, |
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startAngle, angleExt, subtype); |
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Curve inverseArc = |
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(Curve) GeometryLocator.getGeometryManager() |
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.create(TYPES.CURVE, subtype); |
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if (!point.equals(arco.getVertex(0))) { |
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for (int j = arco.getNumVertices() - 1; j >= 0; j--) { |
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inverseArc.addVertex(arco.getVertex(j)); |
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} |
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arco = inverseArc; |
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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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antm = |
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-(nextPoint.getX() - center.getX()) |
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/ (nextPoint.getY() - center.getY()); |
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if (antm == Double.POSITIVE_INFINITY) { |
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antb = Double.NEGATIVE_INFINITY;
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if (nextPoint.getX() == 0) { |
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antb = 0.0;
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} |
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} else if (antm == Double.NEGATIVE_INFINITY) { |
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antb = Double.POSITIVE_INFINITY;
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if (nextPoint.getX() == 0) { |
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antb = 0.0;
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} |
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} else {
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antb = nextPoint.getY() - (antm * nextPoint.getX()); |
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} |
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// Draw geometries.
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if (addGeom) {
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drawingStatus.addStatus(point, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(nextPoint, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(center, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(lineAntPointToPoint, auxiliaryLineSymbolEditing, "");
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} |
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drawingStatus.addStatus(arco, lineSymbolEditing, "");
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} else {
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try {
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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Curve geometry = |
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editingProviderServices.createLine(point, |
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nextPoint, subtype); |
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if (addGeom) {
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drawingStatus.addStatus(point, auxiliaryPointSymbolEditing, "");
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drawingStatus.addStatus(nextPoint, auxiliaryPointSymbolEditing, "");
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} |
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drawingStatus.addStatus(geometry, lineSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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Double[] antLineParams = |
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editingProviderServices.getLineParams(point, nextPoint); |
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antm = antLineParams[0];
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antb = antLineParams[1];
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right = (nextPoint.getX() >= point.getX()); |
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} |
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} |
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return drawingStatus;
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} |
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return null; |
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} |
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|
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protected Geometry closeGeometryIfNecessary(Geometry geometry) {
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if (!isClose(geometry) && (geometry != null)) { |
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|
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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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public DrawingStatus getDrawingStatus(Point mousePosition) |
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throws DrawServiceException {
|
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|
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try {
|
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return calculatePolyline(mousePosition);
|
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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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} |
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|
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public void finishAndStore() throws FinishServiceException { |
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try {
|
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Geometry geometry = finish(); |
| 405 |
if (geometry != null) { |
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editingProviderServices.insertGeometryIntoFeatureStore( |
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geometry, featureStore); |
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} |
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} catch (Exception e) { |
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throw new FinishServiceException(e); |
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} |
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} |
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|
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public Geometry finish() throws FinishServiceException { |
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try {
|
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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GeometryType storeGeomType = |
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editingProviderServices.getGeomType(featureStore); |
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Line line = geomManager.createLine(storeGeomType.getSubType());
|
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calculateFinalGeometry(storeGeomType, line); |
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|
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if (closeGeometry) {
|
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line = (Line) closeGeometryIfNecessary(line);
|
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} |
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|
| 426 |
if (storeGeomType.isTypeOf(MULTICURVE)) {
|
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MultiCurve multiCurve = |
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geomManager.createMultiCurve(storeGeomType.getSubType()); |
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multiCurve.addCurve(line); |
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return multiCurve;
|
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} else {
|
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return line;
|
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} |
| 434 |
|
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} catch (BaseException e) {
|
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throw new FinishServiceException(e); |
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} |
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} |
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|
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/**
|
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* Calculate the final geometry reversing the geometries of the
|
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* drawingStatus if needed.
|
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*
|
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* @param geometryType
|
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* @param orientablePrimitive
|
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* @throws DataException
|
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* @throws CreateGeometryException
|
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* @throws VectorEditingException
|
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*/
|
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protected void calculateFinalGeometry(GeometryType geometryType, |
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OrientablePrimitive orientablePrimitive) throws DataException,
|
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CreateGeometryException, VectorEditingException {
|
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DrawingStatus drawingStatus = calculatePolyline(null);
|
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Point vertexAnt = null; |
| 455 |
for (Geometry geometry : drawingStatus.getGeometries()) {
|
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if (geometry instanceof Curve) { |
| 457 |
Curve curve = (Curve) geometry; |
| 458 |
for (int i = 0; i < curve.getNumVertices(); i++) { |
| 459 |
if ((vertexAnt == null) |
| 460 |
|| !vertexAnt.equals(curve.getVertex(i))) {
|
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orientablePrimitive.addVertex(curve.getVertex(i)); |
| 462 |
vertexAnt = curve.getVertex(i); |
| 463 |
} |
| 464 |
} |
| 465 |
} |
| 466 |
} |
| 467 |
} |
| 468 |
|
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public String getName() { |
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return PolylineEditingProviderFactory.PROVIDER_NAME;
|
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} |
| 472 |
|
| 473 |
private MyPolyLinePoint getNextPoint(int i) { |
| 474 |
if (!values.isEmpty() && (i < (values.size() - 1))) { |
| 475 |
return values.get(i + 1); |
| 476 |
} |
| 477 |
return null; |
| 478 |
} |
| 479 |
|
| 480 |
public List<EditingServiceParameter> getParameters() { |
| 481 |
List<EditingServiceParameter> list =
|
| 482 |
new ArrayList<EditingServiceParameter>(); |
| 483 |
list.add(points); |
| 484 |
return list;
|
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} |
| 486 |
|
| 487 |
private boolean isClose(Geometry geometry) { |
| 488 |
|
| 489 |
if (geometry != null) { |
| 490 |
|
| 491 |
if (geometry instanceof OrientablePrimitive) { |
| 492 |
OrientablePrimitive orientablePrimitive = |
| 493 |
(OrientablePrimitive) geometry; |
| 494 |
Point firstPoint = orientablePrimitive.getVertex(0); |
| 495 |
Point lastPoint =
|
| 496 |
orientablePrimitive.getVertex(orientablePrimitive |
| 497 |
.getNumVertices() - 1);
|
| 498 |
if (firstPoint.equals(lastPoint)) {
|
| 499 |
return true; |
| 500 |
} |
| 501 |
} |
| 502 |
} |
| 503 |
return false; |
| 504 |
} |
| 505 |
|
| 506 |
public EditingServiceParameter next() {
|
| 507 |
if (finishPolyline) {
|
| 508 |
return null; |
| 509 |
} else {
|
| 510 |
return points;
|
| 511 |
} |
| 512 |
|
| 513 |
} |
| 514 |
|
| 515 |
public void start() throws StartServiceException { |
| 516 |
// Stop service;
|
| 517 |
stop(); |
| 518 |
|
| 519 |
values = new ArrayList<MyPolyLinePoint>(); |
| 520 |
} |
| 521 |
|
| 522 |
public void stop() { |
| 523 |
if (values != null) { |
| 524 |
values.clear(); |
| 525 |
} |
| 526 |
arcMode = false;
|
| 527 |
finishPolyline = false;
|
| 528 |
closeGeometry = false;
|
| 529 |
} |
| 530 |
|
| 531 |
private void validateAndInsertValue(EditingServiceParameter param, |
| 532 |
Object value) throws InvalidEntryException { |
| 533 |
if (value instanceof String) { |
| 534 |
String option = (String) value; |
| 535 |
I18nManager i18nManager = ToolsLocator.getI18nManager(); |
| 536 |
|
| 537 |
if (option.equalsIgnoreCase(i18nManager
|
| 538 |
.getTranslation("key_finish"))) {
|
| 539 |
finishPolyline = true;
|
| 540 |
return;
|
| 541 |
} |
| 542 |
|
| 543 |
if (values.size() >= 2) { |
| 544 |
|
| 545 |
if (option.equalsIgnoreCase(i18nManager
|
| 546 |
.getTranslation("key_arc_mode"))) {
|
| 547 |
|
| 548 |
arcMode = true;
|
| 549 |
|
| 550 |
} else if (option.equalsIgnoreCase(i18nManager |
| 551 |
.getTranslation("key_line_mode"))) {
|
| 552 |
|
| 553 |
arcMode = false;
|
| 554 |
|
| 555 |
} else if (option.equalsIgnoreCase(i18nManager |
| 556 |
.getTranslation("key_close"))) {
|
| 557 |
|
| 558 |
closeGeometry = true;
|
| 559 |
finishPolyline = true;
|
| 560 |
} |
| 561 |
} else {
|
| 562 |
throw new InvalidEntryException(null); |
| 563 |
} |
| 564 |
|
| 565 |
if (values.size() > 0) { |
| 566 |
values.get(values.size() - 1).setArcMode(arcMode);
|
| 567 |
return;
|
| 568 |
} |
| 569 |
|
| 570 |
} else if ((param == points) && (value instanceof Point)) { |
| 571 |
values.add(new MyPolyLinePoint((Point) value, arcMode)); |
| 572 |
return;
|
| 573 |
} |
| 574 |
throw new InvalidEntryException(null); |
| 575 |
} |
| 576 |
|
| 577 |
public void setValue(Object value) throws InvalidEntryException { |
| 578 |
EditingServiceParameter param = next(); |
| 579 |
validateAndInsertValue(param, value); |
| 580 |
} |
| 581 |
|
| 582 |
} |