svn-gvsig-desktop / tags / v1_0_2_Build_916 / extensions / extCAD / src / com / iver / cit / gvsig / gui / cad / tools / EllipseCADTool.java @ 12327
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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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package com.iver.cit.gvsig.gui.cad.tools; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.event.InputEvent; |
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import java.awt.geom.Point2D; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.gui.cad.DefaultCADTool; |
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import com.iver.cit.gvsig.gui.cad.exception.CommandException; |
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import com.iver.cit.gvsig.gui.cad.tools.smc.EllipseCADToolContext; |
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import com.iver.cit.gvsig.gui.cad.tools.smc.EllipseCADToolContext.EllipseCADToolState; |
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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 DefaultCADTool { |
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private EllipseCADToolContext _fsm;
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private Point2D startAxis; |
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private Point2D endAxis; |
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/**
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* Crea un nuevo LineCADTool.
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*/
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public EllipseCADTool() {
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} |
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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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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double, double)
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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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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double)
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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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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, java.lang.String)
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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 Bitset con las geometr?as que est?n seleccionadas.
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* @param x par?metro x del punto que se pase en esta transici?n.
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* @param y 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 = (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 if (status.equals("Ellipse.SecondPointAxis")) { |
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endAxis = new Point2D.Double(x, y); |
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} else if (status.equals("Ellipse.DistanceOtherAxis")) { |
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Point2D middle = new Point2D.Double((startAxis.getX() + |
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endAxis.getX()) / 2, (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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addGeometry(ShapeFactory.createEllipse(startAxis, endAxis, 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 Graphics sobre el que dibujar.
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* @param selectedGeometries BitSet con las geometr?as seleccionadas.
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* @param x par?metro x del punto que se pase para dibujar.
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* @param y par?metro x del punto que se pase para dibujar.
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*/
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public void drawOperation(Graphics g,double x, |
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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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drawLine((Graphics2D) g, startAxis, new Point2D.Double(x, y)); |
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} else if (status.equals("Ellipse.DistanceOtherAxis")) { |
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Point2D middle = new Point2D.Double((startAxis.getX() + |
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endAxis.getX()) / 2, (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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ShapeFactory.createEllipse(startAxis, endAxis, distance).draw((Graphics2D) g,
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getCadToolAdapter().getMapControl().getViewPort(), |
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DefaultCADTool.modifySymbol); |
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Point2D mediop = new Point2D.Double((startAxis.getX() + |
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endAxis.getX()) / 2, (startAxis.getY() + endAxis.getY()) / 2); |
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drawLine((Graphics2D) g, mediop, third);
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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 DOCUMENT ME!
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* @param s 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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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#addvalue(double)
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*/
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public void addValue(double d) { |
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EllipseCADToolState actualState = (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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addGeometry(ShapeFactory.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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public boolean isApplicable(int shapeType) { |
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switch (shapeType) {
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case FShape.POINT:
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case FShape.MULTIPOINT:
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return false; |
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} |
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return true; |
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} |
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} |