| gvSIG desktop 1

/*

 * Created on 28-dic-2004

 *

 */

/* 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 com.iver.cit.gvsig.fmap.layers;

import com.hardcode.gdbms.engine.instruction.FieldNotFoundException;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.FPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.v02.FGraphicUtilities;

import com.iver.cit.gvsig.fmap.core.v02.FLabel;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial;

import com.iver.cit.gvsig.fmap.operations.Cancellable;

import com.iver.cit.gvsig.fmap.rendering.Legend;

import com.iver.cit.gvsig.fmap.rendering.VectorialLegend;

import java.awt.Graphics2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import org.geotools.resources.geometry.XRectangle2D;

/**

 * Capa de texto.

 *

 * @author FJP

 */

public class FLyrText extends FLyrDefault implements ClassifiableVectorial {

        /**

         * <code>m_labels</code> es una arrayList de FLabel (string + punto de

         * inserci?n + rotaci?n + altura de texto

         */

        private ArrayList m_labels = new ArrayList();

        private Legend legend;

        private Rectangle2D fullExtent;

        /**

         * Crea un nuevo FLyrText.

         *

         * @param arrayLabels DOCUMENT ME!

         */

        public FLyrText(ArrayList arrayLabels) {

                m_labels = arrayLabels;

        }

        /**

         * Dibuja sobre el graphics los textos.

         *

         * @param image

         * @param g Graphics.

         * @param viewPort ViewPort.

         * @param cancel

         */

        private void drawLabels(BufferedImage image, Graphics2D g,

                ViewPort viewPort, Cancellable cancel) {

                int numReg;

                Rectangle2D elExtent = viewPort.getAdjustedExtent();

                //int anchoMapa;

                //int altoMapa;

                //double anchoReal;

                //double altoReal;

                //double escala;

                FSymbol theSymbol = null;

                System.out.println("Dibujando etiquetas...");

                for (numReg = 0; numReg < m_labels.size(); numReg++) {

                        if (cancel.isCanceled()) {

                                break;

                        }

                        FLabel theLabel = (FLabel) m_labels.get(numReg);

                        if ((theLabel == null) || (theLabel.getOrig() == null)) continue;

                        if (elExtent.contains(theLabel.getOrig())) // TODO: Aqui hay que ponerle al FLabel un getExtent()

                         {

                                theSymbol = getLegend().getDefaultSymbol();

                                FShape shp = new FPoint2D(theLabel.getOrig().getX(),

                                                theLabel.getOrig().getY());

                                FGraphicUtilities.DrawLabel(g, viewPort.getAffineTransform(),

                                        shp, theSymbol, theLabel);

                        }

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()

         */

        public Rectangle2D getFullExtent() throws DriverException {

                return fullExtent;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable)

         */

        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,

                Cancellable cancel,double scale) throws DriverException {

                if (isVisible() && isWithinScale(scale)){        

                drawLabels(image, g, viewPort, cancel);

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable)

         */

        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel,double scale)

                throws DriverException {

                if (isVisible() && isWithinScale(scale)){        

                drawLabels(null, g, viewPort, cancel);

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial#setLegend(com.iver.cit.gvsig.fmap.rendering.VectorialLegend)

         */

        public void setLegend(VectorialLegend r)

                throws DriverException, FieldNotFoundException {

                legend = r;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#addLegendListener(com.iver.cit.gvsig.fmap.layers.LegendListener)

         */

        public void addLegendListener(LegendListener listener) {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#removeLegendListener(com.iver.cit.gvsig.fmap.layers.LegendListener)

         */

        public void removeLegendListener(LegendListener listener) {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#getLegend()

         */

        public Legend getLegend() {

                return legend;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable#getShapeType()

         */

        public int getShapeType() throws DriverException {

                return FShape.TEXT;

        }

        /**

         * Devuelve un ArrayList con los textos de la capa.

         *

         * @return Texto de la capa.

         */

        public ArrayList getLabels() {

                return m_labels;

        }

        /**

         * Inserta los textos de la capa

         *

         * @param m_labels ArrayList con los textos de la capa.

         */

        public void setLabels(ArrayList m_labels) {

                this.m_labels = m_labels;

        }

}