svn-gvsig-desktop / branches / v2_0_0_prep / extensions / extEditing / src / org / gvsig / editing / gui / cad / tools / SplitGeometryCADTool.java @ 30335
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/*
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* Created on 10-abr-2006
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id:
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* $Log:
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*/
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package org.gvsig.editing.gui.cad.tools; |
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import java.awt.Image; |
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import java.awt.event.InputEvent; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.Point2D; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.apache.log4j.Logger; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.messages.NotificationManager; |
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import org.gvsig.editing.gui.cad.DefaultCADTool; |
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import org.gvsig.editing.gui.cad.exception.CommandException; |
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import org.gvsig.editing.gui.cad.tools.smc.SplitGeometryCADToolContext; |
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import org.gvsig.editing.gui.cad.tools.split.SplitStrategy; |
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import org.gvsig.editing.layers.VectorialLayerEdited; |
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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.FeatureStore; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.Draw; |
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import org.gvsig.fmap.geom.operation.DrawOperationContext; |
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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.Envelope; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.util.Converter; |
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import org.gvsig.fmap.mapcontext.layers.SpatialCache; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontrol.MapControlDrawer; |
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import org.gvsig.tools.locator.LocatorException; |
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import statemap.State; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.GeometryCollection; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.geom.LineString; |
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import com.vividsolutions.jts.geom.MultiLineString; |
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import com.vividsolutions.jts.geom.MultiPoint; |
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import com.vividsolutions.jts.geom.MultiPolygon; |
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import com.vividsolutions.jts.geom.Point; |
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import com.vividsolutions.jts.geom.Polygon; |
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import com.vividsolutions.jts.geom.PrecisionModel; |
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/**
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* CAD Tool which splits the selected geometries of a vectorial editing
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* layer with a digitized polyline.
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*
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*
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* @author Alvaro Zabala
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*
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*/
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public class SplitGeometryCADTool extends DefaultCADTool { |
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private static Logger logger = Logger.getLogger(SplitGeometryCADTool.class.getName()); |
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/**
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* String representation of this tool (used for example to active the tool
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* in mapcontrol)
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*/
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public static final String SPLIT_GEOMETRY_TOOL_NAME = "_split_geometry"; |
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/**
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* finite state machine for this CAD tool
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*/
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protected SplitGeometryCADToolContext _fsm;
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/**
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* Flag to mark if the digitized line has been finished.
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*/
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protected boolean digitizingFinished = false; |
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/**
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* Collection of digitized geometries
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*/
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protected List<Point2D> clickedPoints; |
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/**
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* Default Constructor
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*/
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public SplitGeometryCADTool(){
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} |
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/**
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* Initialization method.
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*/
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public void init() { |
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digitizingFinished = false;
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_fsm = new SplitGeometryCADToolContext(this); |
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setNextTool(SplitGeometryCADTool.SPLIT_GEOMETRY_TOOL_NAME); |
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} |
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public boolean isDigitizingFinished() { |
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return digitizingFinished;
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} |
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public String toString() { |
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return SplitGeometryCADTool.SPLIT_GEOMETRY_TOOL_NAME;
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} |
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public void finishDigitizedLine(){ |
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} |
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// public ArrayList getSelectedRows(){
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// VectorialLayerEdited vle = getVLE();
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// ArrayList selection = vle.getSelectedRow();
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// if( selection.size() == 0){
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// VectorialEditableAdapter vea = vle.getVEA();
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// try {
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// FBitSet bitset = vea.getSelection();
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// for (int j = bitset.nextSetBit(0);j >= 0;j = bitset.nextSetBit(j + 1)){
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// IRowEdited rowEd = vea.getRow(j);
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// selection.add(rowEd);
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// }
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// } catch (ExpansionFileReadException e) {
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// e.printStackTrace();
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// } catch (ReadDriverException e) {
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// e.printStackTrace();
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// }
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// }//selection size
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// return selection;
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// }
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// public ArrayList getSelectedRows(){
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// return (ArrayList) CADUtil.getSelectedFeatures(getVLE());
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// }
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public Coordinate[] getPoint2DAsCoordinates(Point2D[] point2d) { |
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Coordinate[] solution = new Coordinate[point2d.length]; |
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for (int i = 0; i < point2d.length; i++) { |
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solution[i] = new Coordinate(point2d[i].getX(), point2d[i].getY());
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} |
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return solution;
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} |
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public void splitSelectedGeometryWithDigitizedLine(){ |
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Point2D[] clickedPts = new Point2D[this.clickedPoints.size()]; |
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clickedPoints.toArray(clickedPts); |
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Coordinate[] digitizedCoords = getPoint2DAsCoordinates(clickedPts);
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LineString splittingLs = new GeometryFactory(
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new PrecisionModel(10000)).createLineString(digitizedCoords); |
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try {
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VectorialLayerEdited vle = getVLE(); |
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FeatureStore store=vle.getFeatureStore(); |
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Iterator<Feature> selected = store.getFeatureSelection().iterator();
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getCadToolAdapter().getMapControl().getMapContext().beginAtomicEvent(); |
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store.beginEditingGroup(getName()); |
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while (selected.hasNext()) {
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Feature feature = (Feature) selected.next(); |
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org.gvsig.fmap.geom.Geometry ig = feature.getDefaultGeometry(); |
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Geometry jtsGeo = Converter.geometryToJts(ig); |
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if (jtsGeo==null) |
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return;
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Geometry splitGeo = SplitStrategy.splitOp(jtsGeo, splittingLs); |
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if(splitGeo instanceof GeometryCollection |
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&& ((GeometryCollection)splitGeo).getNumGeometries()>1){
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GeometryCollection gc = (GeometryCollection)splitGeo; |
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ArrayList<Geometry> geoms0=new ArrayList<Geometry>(); |
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ArrayList<Geometry> geoms1=new ArrayList<Geometry>(); |
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if (gc.getNumGeometries()>2){ |
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Geometry[] splitGroups=createSplitGroups(jtsGeo,splittingLs);
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if (splitGroups.length==0){ |
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continue;
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} |
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for(int j = 0; j < gc.getNumGeometries(); j++){ |
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Geometry g = gc.getGeometryN(j); |
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if (splitGroups[0].contains(g)){ |
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geoms0.add(g); |
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}else{
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geoms1.add(g); |
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} |
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} |
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}else if (gc.getNumGeometries()==2){ |
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geoms0.add(gc.getGeometryN(0));
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geoms1.add(gc.getGeometryN(1));
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}else{
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continue;
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} |
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GeometryCollection gc0=createMulti(geoms0,gc.getFactory()); |
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// for(int j = 0; j < gc.getNumGeometries(); j++){
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// Geometry g = gc.getGeometryN(j);
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org.gvsig.fmap.geom.Geometry fmapGeo = Converter.jtsToGeometry(gc0); |
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// if (j==0){
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EditableFeature eFeature=feature.getEditable(); |
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eFeature.setGeometry(store.getDefaultFeatureType().getDefaultGeometryAttributeName(), fmapGeo); |
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store.update(eFeature); |
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// }else{
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GeometryCollection gc1=createMulti(geoms1,gc.getFactory()); |
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fmapGeo = Converter.jtsToGeometry(gc1); |
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EditableFeature newFeature=store.createNewFeature(store.getDefaultFeatureType(), feature); |
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newFeature.setGeometry(store.getDefaultFeatureType().getDefaultGeometryAttributeName(), fmapGeo); |
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store.insert(newFeature); |
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SpatialCache spatialCache=((FLyrVect)vle.getLayer()).getSpatialCache(); |
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Envelope envelope = fmapGeo.getEnvelope(); |
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spatialCache.insert(envelope,fmapGeo); |
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// }
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// }//for j
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}//if splitGeo
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} |
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store.endEditingGroup(); |
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getCadToolAdapter().getMapControl().getMapContext().endAtomicEvent(); |
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} catch (Exception ex) { |
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PluginServices.getLogger().error("Error splitting geom", ex);
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} |
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} |
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private GeometryCollection createMulti(ArrayList<Geometry> geoms,GeometryFactory factory) { |
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if (geoms.size()==0) |
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return null; |
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if (geoms.get(0) instanceof Polygon){ |
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return new MultiPolygon((Polygon[])geoms.toArray(new Polygon[0]),factory); |
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}else if (geoms.get(0) instanceof LineString){ |
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return new MultiLineString((LineString[])geoms.toArray(new LineString[0]),factory); |
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}else if (geoms.get(0) instanceof Point){ |
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return new MultiPoint((Point[])geoms.toArray(new Point[0]),factory); |
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} |
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return null; |
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} |
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private Geometry[] createSplitGroups(Geometry splitGeo, LineString splittingLs) { |
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try{
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Geometry[] geomsJTS=new Geometry[2]; |
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Geometry r=splitGeo.getEnvelope(); |
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Geometry splitG = SplitStrategy.splitOp(r, splittingLs); |
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if(splitG instanceof GeometryCollection |
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&& ((GeometryCollection)splitG).getNumGeometries()>1){
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GeometryCollection gc = (GeometryCollection)splitG; |
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for(int j = 0; j < gc.getNumGeometries(); j++){ |
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geomsJTS[j]=gc.getGeometryN(j); |
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} |
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} |
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return geomsJTS;
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}catch (Exception e) { |
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NotificationManager.showMessageError(PluginServices.getText(this, "line_not_cross_rectangle"), e); |
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} |
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return null; |
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} |
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public void end(){ |
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getCadToolAdapter().refreshEditedLayer(); |
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init(); |
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} |
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public void addOption(String s) { |
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State actualState = _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (s.equals(PluginServices.getText(this, "cancel"))) { |
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init(); |
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return;
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} |
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if (status.equals("TopologicalEdition.FirstPoint")) { |
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return;
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} |
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init(); |
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} |
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public void addPoint(double x, double y, InputEvent event) { |
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State actualState = _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("SplitGeometry.FirstPoint")) { |
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clickedPoints = new ArrayList<Point2D>(); |
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clickedPoints.add(new Point2D.Double(x,y)); |
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} else if (status.equals("SplitGeometry.DigitizingLine")) { |
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clickedPoints.add(new Point2D.Double(x,y)); |
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if (event != null && ((MouseEvent) event).getClickCount() == 2) { |
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digitizingFinished = true;
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finishDigitizedLine(); |
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splitSelectedGeometryWithDigitizedLine(); |
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end(); |
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} |
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} |
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} |
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public void addValue(double d) { |
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} |
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/**
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* Draws a polyline with the clicked digitized points in the specified graphics.
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*
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* @param g2 graphics on to draw the polyline
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* @param x last x mouse pointer position
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* @param y last y mouse pointer position
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*/
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protected void drawPolyLine(MapControlDrawer renderer, double x, double y) { |
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GeneralPathX gpx = |
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new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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clickedPoints.size()); |
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Point2D firstPoint = clickedPoints.get(0); |
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gpx.moveTo(firstPoint.getX(), firstPoint.getY()); |
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for (int i = 1; i < clickedPoints.size(); i++) { |
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Point2D clickedPoint = clickedPoints.get(i);
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gpx.lineTo(clickedPoint.getX(), clickedPoint.getY()); |
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} |
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gpx.lineTo(x, y); |
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org.gvsig.fmap.geom.Geometry geom; |
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try {
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geom = GeometryLocator.getGeometryManager().createCurve(gpx, SUBTYPES.GEOM2D); |
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renderer.draw(geom, mapControlManager.getGeometrySelectionSymbol()); |
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} catch (LocatorException e) {
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e.printStackTrace(); |
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} catch (CreateGeometryException e) {
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e.printStackTrace(); |
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} |
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} |
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private void drawRectangleOfSplit(MapControlDrawer renderer) throws GeometryOperationNotSupportedException, GeometryOperationException, DataException { |
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VectorialLayerEdited vle = getVLE(); |
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FeatureStore store=vle.getFeatureStore(); |
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Iterator<Feature> selected = store.getFeatureSelection().iterator();
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while (selected.hasNext()) {
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Feature feature = (Feature) selected.next(); |
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org.gvsig.fmap.geom.Geometry ig = feature.getDefaultGeometry(); |
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Geometry jtsG = Converter.geometryToJts(ig); |
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if (jtsG !=null && jtsG instanceof GeometryCollection && jtsG.getNumGeometries()>1){ |
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org.gvsig.fmap.geom.Geometry r=ig.getEnvelope().getGeometry(); |
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renderer.draw(r, mapControlManager.getAxisReferenceSymbol()); |
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} |
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} |
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} |
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public void drawOperation(MapControlDrawer renderer, double x, double y) { |
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State actualState = _fsm.getState(); |
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String status = actualState.getName();
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try {
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drawRectangleOfSplit(renderer); |
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// draw splitting line
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if ((status.equals("SplitGeometry.DigitizingLine"))) { |
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drawPolyLine(renderer, x, y); |
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} |
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// draw selection
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Image imgSel = getVLE().getSelectionImage();
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renderer.drawImage(imgSel, 0, 0); |
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} catch (Exception e) { |
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PluginServices.getLogger().error("Error drawing Editing Selection", e);
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} |
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} |
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public String getName() { |
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return PluginServices.getText(this, "split_geometry_shell"); |
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} |
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public void transition(double x, double y, InputEvent event) { |
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try {
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_fsm.addPoint(x, y, event); |
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} catch (Exception e) { |
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init(); |
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} |
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} |
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public void transition(double d) { |
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_fsm.addValue(d); |
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} |
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public void transition(String s) throws CommandException { |
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if (!super.changeCommand(s)) { |
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_fsm.addOption(s); |
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} |
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} |
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} |