svn-gvsig-desktop / branches / v2_0_0_prep / extensions / extEditing / src / org / gvsig / editing / gui / cad / tools / PolylineCADTool.java @ 39075
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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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*/
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package org.gvsig.editing.gui.cad.tools; |
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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 org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.messages.NotificationManager; |
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import org.gvsig.editing.gui.cad.exception.CommandException; |
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import org.gvsig.editing.gui.cad.tools.smc.PolylineCADToolContext; |
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import org.gvsig.editing.gui.cad.tools.smc.PolylineCADToolContext.PolylineCADToolState; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.util.UtilFunctions; |
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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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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class PolylineCADTool extends AbstractCurveSurfaceCADTool { |
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protected PolylineCADToolContext _fsm;
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protected Point2D firstPoint; |
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protected Point2D antPoint; |
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protected Point2D antantPoint; |
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protected Point2D antCenter; |
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protected Point2D antInter; |
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protected ArrayList list = new ArrayList(); |
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protected boolean close = false; |
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protected GeneralPathX gpx = null; |
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/**
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* M?todo de incio, para poner el c?digo de todo lo que se requiera de una
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* carga previa a la utilizaci?n de la herramienta.
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*/
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public void init() { |
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_fsm = new PolylineCADToolContext(this); |
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} |
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public Geometry getGeometry() {
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Geometry[] geoms = (Geometry[]) list.toArray(new Geometry[0]); |
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MultiPrimitive fgc = createMultiPrimitive(geoms); |
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// No queremos guardar FGeometryCollections:
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GeneralPathX gp = new GeneralPathX();
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gp.append(fgc.getPathIterator(null, geomManager.getFlatness()), true); |
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Geometry newGeom = createCurve(gp); |
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return newGeom;
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} |
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public int getLinesCount() { |
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return list.size();
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} |
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public boolean isPolygonLayer() { |
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try {
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return (((FLyrVect) getVLE().getLayer()).getShapeType() == Geometry.TYPES.SURFACE);
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} catch (ReadException e) {
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return false; |
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} |
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} |
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public void endGeometry() { |
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if (gpx == null) { |
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gpx = new GeneralPathX();
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Geometry[] geoms = (Geometry[]) list.toArray(new Geometry[0]); |
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MultiPrimitive fgc = createMultiPrimitive(geoms); |
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// No queremos guardar FGeometryCollections:
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gpx.append(fgc.getPathIterator(null, geomManager.getFlatness()),
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true);
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} |
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try {
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if (((FLyrVect) getVLE().getLayer()).getShapeType() == Geometry.TYPES.SURFACE
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&& !close) {
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closeGeometry(); |
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} |
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} catch (ReadException e) {
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NotificationManager.addError(e.getMessage(), e); |
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} |
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Geometry newGeom = null;
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int type = getCadToolAdapter().getActiveLayerType();
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if ((type == Geometry.TYPES.SURFACE)
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|| (type == Geometry.TYPES.MULTISURFACE)) {
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newGeom = createSurface(gpx); |
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} else {
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newGeom = createCurve(gpx); |
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} |
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insertAndSelectGeometry(newGeom); |
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_fsm = new PolylineCADToolContext(this); |
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list.clear(); |
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clearTemporalCache(); |
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close = false;
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gpx = null;
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antantPoint = antCenter = antInter = antPoint = firstPoint = null;
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} |
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public void closeGeometry() { |
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if (gpx == null) { |
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gpx = new GeneralPathX();
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Geometry[] geoms = (Geometry[]) list.toArray(new Geometry[0]); |
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for (int i=0; i<geoms.length; i++) { |
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gpx.append( |
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geoms[i].getPathIterator(null, geomManager.getFlatness()),
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true);
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} |
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} |
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close = true;
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gpx.closePath(); |
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} |
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public void transition(double x, double y, InputEvent event) { |
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_fsm.addPoint(x, y, event); |
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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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/**
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* Equivale al transition del prototipo pero sin pasarle como par?metro el
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* editableFeatureSource que ya estar? creado.
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*
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* @param sel
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* Bitset con las geometr?as que est?n seleccionadas.
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* @param x
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* par?metro x del punto que se pase en esta transici?n.
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* @param y
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* par?metro y del punto que se pase en esta transici?n.
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*/
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public void addPoint(double x, double y, InputEvent event) { |
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PolylineCADToolState actualState = |
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(PolylineCADToolState) _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("Polyline.NextPointOrArcOrClose") |
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|| status.equals("Polyline.FirstPoint")) {
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if (firstPoint == null) { |
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firstPoint = new Point2D.Double(x, y); |
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} |
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Point2D point = new Point2D.Double(x, y); |
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if (antPoint != null |
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&& (antPoint.getX() != point.getX() || antPoint.getY() != point |
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.getY())) {
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GeneralPathX elShape = |
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new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, 2); |
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elShape.moveTo(antPoint.getX(), antPoint.getY()); |
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elShape.lineTo(point.getX(), point.getY()); |
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Geometry geom = createCurve(elShape); |
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if (geom != null) { |
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list.add(geom); |
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addTemporalCache(geom); |
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} |
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} |
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if (antPoint == null) |
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antPoint = (Point2D) firstPoint.clone();
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if (antPoint != null) { |
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antantPoint = antPoint; |
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} |
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antPoint = point; |
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} else
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if (status.equals("Polyline.NextPointOrLineOrClose")) { |
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Point2D point = new Point2D.Double(x, y); |
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Point2D lastp = antPoint; // (Point2D)points.get(i-1); |
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if (antantPoint == null) { |
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antantPoint = |
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new Point2D.Double(lastp.getX() + (point.getX() / 2), |
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lastp.getY() + (point.getY() / 2));
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} |
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if (((point.getY() == lastp.getY()) && (point.getX() < lastp
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.getX())) |
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|| ((point.getX() == lastp.getX()) && (point.getY() < lastp |
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.getY()))) {
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} else {
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if (point.getX() == lastp.getX()) {
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point = |
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new Point2D.Double(point.getX() + 0.00000001, |
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point.getY()); |
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} else
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if (point.getY() == lastp.getY()) {
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point = |
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new Point2D.Double(point.getX(), |
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point.getY() + 0.00000001);
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} |
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if (point.getX() == antantPoint.getX()) {
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point = |
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new Point2D.Double(point.getX() + 0.00000001, |
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point.getY()); |
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} else
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if (point.getY() == antantPoint.getY()) {
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point = |
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new Point2D.Double(point.getX(), |
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point.getY() + 0.00000001);
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} |
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if (!(list.size() > 0) |
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|| (((Geometry) list.get(list.size() - 1)).getType() == Geometry.TYPES.CURVE)) {
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Point2D[] ps1 = |
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UtilFunctions.getPerpendicular(antantPoint, lastp, |
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lastp); |
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Point2D mediop =
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new Point2D.Double( |
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(point.getX() + lastp.getX()) / 2,
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(point.getY() + lastp.getY()) / 2);
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Point2D[] ps2 = |
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UtilFunctions |
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.getPerpendicular(lastp, point, mediop); |
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Point2D interp =
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UtilFunctions.getIntersection(ps1[0], ps1[1], |
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ps2[0], ps2[1]); |
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antInter = interp; |
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double radio = interp.distance(lastp);
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if (UtilFunctions.isLowAngle(antantPoint, lastp,
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interp, point)) {
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radio = -radio; |
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} |
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Point2D centerp =
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UtilFunctions.getPoint(interp, mediop, radio); |
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antCenter = centerp; |
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Geometry ig = createArc(lastp, centerp, point); |
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if (ig != null) { |
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list.add(ig); |
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addTemporalCache(ig); |
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} |
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} else {
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Point2D[] ps1 = |
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UtilFunctions.getPerpendicular(lastp, antInter, |
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lastp); |
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double a1 = UtilFunctions.getAngle(ps1[0], ps1[1]); |
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double a2 = UtilFunctions.getAngle(ps1[1], ps1[0]); |
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double angle = UtilFunctions.getAngle(antCenter, lastp);
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Point2D ini1 = null; |
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Point2D ini2 = null; |
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if (UtilFunctions.absoluteAngleDistance(angle, a1) > UtilFunctions
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.absoluteAngleDistance(angle, a2)) {
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ini1 = ps1[0];
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ini2 = ps1[1];
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} else {
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ini1 = ps1[1];
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ini2 = ps1[0];
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} |
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Point2D unit = UtilFunctions.getUnitVector(ini1, ini2);
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Point2D correct =
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new Point2D.Double(lastp.getX() + unit.getX(), |
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lastp.getY() + unit.getY()); |
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Point2D[] ps = |
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UtilFunctions.getPerpendicular(lastp, correct, |
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lastp); |
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Point2D mediop =
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new Point2D.Double( |
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(point.getX() + lastp.getX()) / 2,
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(point.getY() + lastp.getY()) / 2);
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Point2D[] ps2 = |
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UtilFunctions |
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.getPerpendicular(lastp, point, mediop); |
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Point2D interp =
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UtilFunctions.getIntersection(ps[0], ps[1], ps2[0], |
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ps2[1]);
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antInter = interp; |
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double radio = interp.distance(lastp);
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if (UtilFunctions.isLowAngle(correct, lastp, interp,
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point)) {
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radio = -radio; |
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} |
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Point2D centerp =
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UtilFunctions.getPoint(interp, mediop, radio); |
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antCenter = centerp; |
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Geometry geom = createArc(lastp, centerp, point); |
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if (geom != null) { |
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list.add(geom); |
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addTemporalCache(geom); |
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} |
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} |
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antantPoint = antPoint; |
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antPoint = point; |
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} |
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} |
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} |
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/**
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* M?todo para dibujar la lo necesario para el estado en el que nos
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* encontremos.
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*
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* @param g
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* Graphics sobre el que dibujar.
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* @param selectedGeometries
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* BitSet con las geometr?as seleccionadas.
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* @param x
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* par?metro x del punto que se pase para dibujar.
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* @param y
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* par?metro x del punto que se pase para dibujar.
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*/
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public void drawOperation(MapControlDrawer renderer, double x, double y) { |
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PolylineCADToolState actualState = _fsm.getState(); |
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String status = actualState.getName();
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if (status.equals("Polyline.NextPointOrArcOrClose") |
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|| status.equals("Polyline.FirstPoint")) {
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for (int i = 0; i < list.size(); i++) { |
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renderer.draw((Geometry) list.get(i), |
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mapControlManager.getGeometrySelectionSymbol()); |
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} |
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if (antPoint != null) |
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renderer.drawLine(antPoint, new Point2D.Double(x, y), |
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mapControlManager.getGeometrySelectionSymbol()); |
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} else
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if ((status.equals("Polyline.NextPointOrLineOrClose"))) { |
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for (int i = 0; i < list.size(); i++) { |
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renderer.draw((Geometry) list.get(i), |
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mapControlManager.getGeometrySelectionSymbol()); |
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} |
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Point2D point = new Point2D.Double(x, y); |
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Point2D lastp = antPoint;
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if (!(list.size() > 0) |
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|| (((Geometry) list.get(list.size() - 1)).getType() == Geometry.TYPES.CURVE)) {
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if (antantPoint == null) { |
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drawArc(point, lastp, new Point2D.Double(lastp.getX() |
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+ (point.getX() / 2), lastp.getY()
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+ (point.getY() / 2)), renderer);
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} else {
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drawArc(point, lastp, antantPoint, renderer); |
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} |
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} else {
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if (antInter != null) { |
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Point2D[] ps1 = |
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UtilFunctions.getPerpendicular(lastp, antInter, |
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lastp); |
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double a1 = UtilFunctions.getAngle(ps1[0], ps1[1]); |
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double a2 = UtilFunctions.getAngle(ps1[1], ps1[0]); |
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double angle = UtilFunctions.getAngle(antCenter, lastp);
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Point2D ini1 = null; |
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Point2D ini2 = null; |
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if (UtilFunctions.absoluteAngleDistance(angle, a1) > UtilFunctions
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.absoluteAngleDistance(angle, a2)) {
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ini1 = ps1[0];
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ini2 = ps1[1];
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} else {
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ini1 = ps1[1];
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ini2 = ps1[0];
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} |
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Point2D unit = UtilFunctions.getUnitVector(ini1, ini2);
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Point2D correct =
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new Point2D.Double(lastp.getX() + unit.getX(), |
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lastp.getY() + unit.getY()); |
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drawArc(point, lastp, correct, renderer); |
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} |
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} |
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} |
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try {
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if (((FLyrVect) getVLE().getLayer()).getShapeType() == Geometry.TYPES.SURFACE
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&& !list.isEmpty()) {
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Handler handler1 =
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((Geometry) list.get(0))
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.getHandlers(Geometry.SELECTHANDLER)[0];
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GeneralPathX gpx = new GeneralPathX();
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gpx.moveTo(x, y); |
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Point2D p1 = handler1.getPoint();
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gpx.lineTo(p1.getX(), p1.getY()); |
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Curve curve = createCurve(gpx); |
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renderer.draw(curve, |
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mapControlManager.getGeometrySelectionSymbol()); |
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} |
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} catch (ReadException e) {
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e.printStackTrace(); |
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} |
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} |
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/**
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* Dibuja el arco sobre el graphics.
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*
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* @param point
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* Puntero del rat?n.
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* @param lastp
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* ?ltimo punto de la polilinea.
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* @param antp
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* Punto antepenultimo.
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* @param g
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* Graphics sobre el que se dibuja.
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*/
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private void drawArc(Point2D point, Point2D lastp, Point2D antp, |
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MapControlDrawer renderer) {
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if (((point.getY() == lastp.getY()) && (point.getX() < lastp.getX()))
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|| ((point.getX() == lastp.getX()) && (point.getY() < lastp.getY()))) {
|
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} else {
|
| 442 |
if (point.getX() == lastp.getX()) {
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point = |
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new Point2D.Double(point.getX() + 0.00000001, point.getY()); |
| 445 |
} else
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| 446 |
if (point.getY() == lastp.getY()) {
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point = |
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new Point2D.Double(point.getX(), |
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point.getY() + 0.00000001);
|
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} |
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|
| 452 |
if (point.getX() == antp.getX()) {
|
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point = |
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new Point2D.Double(point.getX() + 0.00000001, point.getY()); |
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} else
|
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if (point.getY() == antp.getY()) {
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point = |
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new Point2D.Double(point.getX(), |
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point.getY() + 0.00000001);
|
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} |
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Point2D[] ps1 = UtilFunctions.getPerpendicular(lastp, antp, lastp); |
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Point2D mediop =
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new Point2D.Double((point.getX() + lastp.getX()) / 2, |
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(point.getY() + lastp.getY()) / 2);
|
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Point2D[] ps2 = |
| 467 |
UtilFunctions.getPerpendicular(lastp, point, mediop); |
| 468 |
Point2D interp =
|
| 469 |
UtilFunctions.getIntersection(ps1[0], ps1[1], ps2[0], ps2[1]); |
| 470 |
|
| 471 |
double radio = interp.distance(lastp);
|
| 472 |
|
| 473 |
if (UtilFunctions.isLowAngle(antp, lastp, interp, point)) {
|
| 474 |
radio = -radio; |
| 475 |
} |
| 476 |
|
| 477 |
Point2D centerp = UtilFunctions.getPoint(interp, mediop, radio);
|
| 478 |
renderer.drawLine(lastp, point, |
| 479 |
mapControlManager.getGeometrySelectionSymbol()); |
| 480 |
|
| 481 |
Geometry ig = createArc(lastp, centerp, point); |
| 482 |
|
| 483 |
if (ig != null) { |
| 484 |
renderer.draw(ig, |
| 485 |
mapControlManager.getGeometrySelectionSymbol()); |
| 486 |
} |
| 487 |
} |
| 488 |
} |
| 489 |
|
| 490 |
/**
|
| 491 |
* Add a diferent option.
|
| 492 |
*
|
| 493 |
* @param sel
|
| 494 |
* DOCUMENT ME!
|
| 495 |
* @param s
|
| 496 |
* Diferent option.
|
| 497 |
*/
|
| 498 |
public void addOption(String s) { |
| 499 |
// Nothing to do
|
| 500 |
} |
| 501 |
|
| 502 |
public void addValue(double d) { |
| 503 |
// Nothing to do
|
| 504 |
} |
| 505 |
|
| 506 |
public void cancel() { |
| 507 |
list.clear(); |
| 508 |
clearTemporalCache(); |
| 509 |
antantPoint = antCenter = antInter = antPoint = firstPoint = null;
|
| 510 |
} |
| 511 |
|
| 512 |
public void end() { |
| 513 |
// Nothing to do
|
| 514 |
} |
| 515 |
|
| 516 |
public String getName() { |
| 517 |
return PluginServices.getText(this, "polyline_"); |
| 518 |
} |
| 519 |
|
| 520 |
public String toString() { |
| 521 |
return "_polyline"; |
| 522 |
} |
| 523 |
|
| 524 |
public void endTransition(double x, double y, MouseEvent event) { |
| 525 |
_fsm.endPoint(x, y, event); |
| 526 |
} |
| 527 |
|
| 528 |
} |