root / tags / v2_0_0_Build_2055 / extensions / extEditing / src / org / gvsig / editing / gui / cad / tools / EllipseCADTool.java @ 38948
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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.geom.Point2D; |
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import javax.swing.JOptionPane; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.app.ApplicationLocator; |
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import org.gvsig.editing.gui.cad.exception.CommandException; |
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import org.gvsig.editing.gui.cad.tools.smc.EllipseCADToolContext; |
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import org.gvsig.editing.gui.cad.tools.smc.EllipseCADToolContext.EllipseCADToolState; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.primitive.Ellipse; |
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import org.gvsig.fmap.mapcontrol.MapControlDrawer; |
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import org.gvsig.i18n.Messages; |
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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 EllipseCADTool extends AbstractSurfaceCADTool { |
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protected EllipseCADToolContext _fsm;
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protected Point2D startAxis; |
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protected Point2D endAxis; |
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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 EllipseCADToolContext(this); |
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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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EllipseCADToolState actualState = |
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(EllipseCADToolState) _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("Ellipse.FirstPointAxis")) { |
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startAxis = new Point2D.Double(x, y); |
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} else
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if (status.equals("Ellipse.SecondPointAxis")) { |
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endAxis = new Point2D.Double(x, y); |
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} else
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if (status.equals("Ellipse.DistanceOtherAxis")) { |
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Point2D middle =
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new Point2D.Double( |
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(startAxis.getX() + endAxis.getX()) / 2,
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(startAxis.getY() + endAxis.getY()) / 2);
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Point2D third = new Point2D.Double(x, y); |
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double distance = middle.distance(third);
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insertAndSelectGeometry(createEllipse(startAxis, endAxis, |
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distance)); |
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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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EllipseCADToolState actualState = _fsm.getState(); |
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String status = actualState.getName();
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if (status.equals("Ellipse.SecondPointAxis")) { |
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renderer.drawLine(startAxis, new Point2D.Double(x, y), |
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mapControlManager.getGeometrySelectionSymbol()); |
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} else
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if (status.equals("Ellipse.DistanceOtherAxis")) { |
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Point2D middle =
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new Point2D.Double((startAxis.getX() + endAxis.getX()) / 2, |
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(startAxis.getY() + endAxis.getY()) / 2);
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Point2D third = new Point2D.Double(x, y); |
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double distance = middle.distance(third);
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Ellipse ellipse = createEllipse(startAxis, endAxis, distance); |
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Geometry help_geom_perim = null;
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try {
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help_geom_perim = GeometryLocator. |
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getGeometryManager().createCurve( |
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ellipse.getGeneralPath(), |
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Geometry.SUBTYPES.GEOM2D); |
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renderer.draw(help_geom_perim, |
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mapControlManager.getAxisReferenceSymbol()); |
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} catch (Exception e) { |
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ApplicationLocator.getManager().message( |
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Messages.getText("_Unable_to_draw_help_geometry"),
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JOptionPane.ERROR_MESSAGE);
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} |
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Point2D mediop =
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new Point2D.Double((startAxis.getX() + endAxis.getX()) / 2, |
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(startAxis.getY() + endAxis.getY()) / 2);
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renderer.drawLine(mediop, third, |
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mapControlManager.getGeometrySelectionSymbol()); |
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} |
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} |
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/**
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* Add a diferent option.
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*
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* @param sel
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* DOCUMENT ME!
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* @param s
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* Diferent option.
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*/
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public void addOption(String s) { |
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// TODO Auto-generated method stub
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} |
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public void addValue(double d) { |
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EllipseCADToolState actualState = |
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(EllipseCADToolState) _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("Ellipse.DistanceOtherAxis")) { |
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double distance = d;
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insertAndSelectGeometry(createEllipse(startAxis, endAxis, distance)); |
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} |
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} |
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public String getName() { |
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return PluginServices.getText(this, "ellipse_"); |
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} |
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public String toString() { |
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return "_ellipse"; |
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} |
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@Override
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protected int getSupportedPrimitiveGeometryType() { |
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return ELLIPSE;
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} |
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} |