| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.app.project.documents.layout.tools.behavior;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.event.MouseEvent;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import org.gvsig.app.gui.styling.SymbolSelector;

import org.gvsig.app.project.documents.layout.FLayoutUtilities;

import org.gvsig.app.project.documents.layout.fframes.IFFrame;

import org.gvsig.app.project.documents.layout.tools.listener.LayoutRectangleListener;

import org.gvsig.app.project.documents.layout.tools.listener.LayoutToolListener;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.geom.util.UtilFunctions;

import org.gvsig.fmap.mapcontrol.tools.BehaviorException;

import org.gvsig.fmap.mapcontrol.tools.Events.EnvelopeEvent;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Behaviour que espera un listener de tipo LayoutRectangleListener.

 *

 * @author Vicente Caballero Navarro

 */

public class LayoutRectangleBehavior extends LayoutBehavior {

        private static final GeometryManager geomManager = GeometryLocator.getGeometryManager();

        private static final Logger logger = LoggerFactory.getLogger(LayoutRectangleBehavior.class);

        private LayoutRectangleListener listener;

        private boolean dragged=false;

        /**

         * Crea un nuevo RectangleBehavior.

         *

         * @param zili listener.

         */

        public LayoutRectangleBehavior(LayoutRectangleListener lrl) {

                listener = lrl;

        }

        /**

         * @see org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior#paintComponent(java.awt.Graphics)

         */

        public void paintComponent(Graphics g) {

                BufferedImage img = getLayoutControl().getImage();

                BufferedImage imgRuler=getLayoutControl().getImgRuler();

                g.drawImage(img, 0, 0, getLayoutControl());

                g.drawImage(imgRuler, 0, 0, getLayoutControl());

                g.setColor(Color.black);

                g.setXORMode(Color.white);

                // Borramos el anterior

                Rectangle r = new Rectangle();

                // Dibujamos el actual

                if (dragged && (getLayoutControl().getFirstPoint() != null) && (getLayoutControl().getLastPoint() != null)) {

                        r.setFrameFromDiagonal(getLayoutControl().getFirstPoint(), getLayoutControl().getLastPoint());

                        g.drawRect(r.x, r.y, r.width, r.height);

                }

                 IFFrame[] frames = getLayoutControl().getLayoutContext().getFFrameSelected();

                for (int i = 0; i < frames.length; i++) {

                    g.setColor(Color.black);

                    frames[i].drawHandlers((Graphics2D) g);

                }

                g.setPaintMode();

        }

        /**

         * Reimplementaci?n del m?todo mousePressed de Behavior.

         *

         * @param e MouseEvent

         * @throws BehaviorException

         */

        public void mousePressed(MouseEvent e) throws BehaviorException {

                super.mousePressed(e);

                if (listener.cancelDrawing()) {

                        //getLayout().cancelDrawing();

                }

                getLayoutControl().repaint();

        }

        /**

         * Reimplementaci?n del m?todo mouseReleased de Behavior.

         *

         * @param e MouseEvent

         *

         * @throws BehaviorException Excepci?n lanzada cuando el Behavior.

         */

        public void mouseReleased(MouseEvent e) throws BehaviorException {

                super.mouseReleased(e);

            dragged=false;

                if (getLayoutControl().getFirstPoint() == null) return;

                Point2D p1;

                Point2D p2;

                Point pScreen = getLayoutControl().getLastPoint();

                AffineTransform at = getLayoutControl().getAT();

                p1 = FLayoutUtilities.toSheetPoint(getLayoutControl().getFirstPoint(), at);

                p2 = FLayoutUtilities.toSheetPoint(pScreen, at);

                if (e.getButton() == MouseEvent.BUTTON1) {

                        //        Fijamos el nuevo extent

//                        Rectangle2D.Double r = new Rectangle2D.Double();

//                        r.setFrameFromDiagonal(p1, p2);

                        Envelope r;

                        try {

                                r = geomManager.createEnvelope(p1.getX(),p1.getY(),p2.getX(),p2.getY(), SUBTYPES.GEOM2D);

                                Rectangle2D rectPixel = new Rectangle();

                                rectPixel.setFrameFromDiagonal(getLayoutControl().getFirstPoint(), pScreen);

                                EnvelopeEvent event = new EnvelopeEvent(r, e, rectPixel);

                                listener.rectangle(event);

                        } catch (CreateEnvelopeException e1) {

                                logger.error("Error creating the envelope", e);

                        }                        

                }

        }

        /**

         * Reimplementaci?n del m?todo mouseDragged de Behavior.

         *

         * @param e MouseEvent

         * @throws BehaviorException

         */

        public void mouseDragged(MouseEvent e) throws BehaviorException {

                super.mouseDragged(e);

                dragged=true;

                getLayoutControl().repaint();

        }

        /**

         * @see org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior#setListener(com.iver.cit.gvsig.fmap.tools.ToolListener)

         */

        public void setListener(LayoutToolListener listener) {

                this.listener = (LayoutRectangleListener) listener;

        }

        /**

         * @see org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior#getListener()

         */

        public LayoutToolListener getListener() {

                return listener;

        }

        public boolean isAdjustable() {

                return true;

        }

}