| gvSIG desktop 1

/*

 * Created on 03-dic-2004

 *

 * TODO To change the template for this generated file go to

 * Window - Preferences - Java - Code Generation - Code and Comments

 */

/* 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.project.documents.view.toc;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.Rectangle;

import java.awt.datatransfer.DataFlavor;

import java.awt.datatransfer.UnsupportedFlavorException;

import java.awt.geom.AffineTransform;

import java.awt.image.BufferedImage;

import java.io.IOException;

import javax.swing.Icon;

import javax.swing.ImageIcon;

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

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

/**

 * @author FJP

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Generation - Code and Comments

 */

public class TocItemLeaf implements ITocItem {

        private ISymbol symbol;

        private String description;

        private int layerType;

        private static int w_1symbol = 20;

        private static int h_1symbol = 15;

        private Dimension sz;

        BufferedImage imgLegend = null;

    final public static DataFlavor INFO_FLAVOR =

            new DataFlavor(TocItemLeaf.class, "ItemLeaf");

        static DataFlavor flavors[] = {INFO_FLAVOR };

        public TocItemLeaf(ISymbol symbol, String description, int layerType)

        {

                this.symbol = symbol;

                this.description = description;

                this.layerType = layerType;

        }

        public TocItemLeaf()

        {

        }

        public void setImageLegend(Image imageLegend, String descrip, Dimension size) 

        {                

                this.description = descrip;

                this.sz = size;

                imgLegend = new BufferedImage(sz.width, sz.height, BufferedImage.TYPE_INT_ARGB);

                Graphics2D g2 = imgLegend.createGraphics();

                // Rectangle r = new Rectangle(sz.width, sz.height);

                // TODO: Calcular ratio

                double ratioImage =  (double) imageLegend.getWidth(null) / (double) imageLegend.getHeight(null);

            double ratioToc  = (double) sz.width / (double) sz.height;

                if (ratioImage > ratioToc) {

                        int newHeight = (int) (sz.width / ratioImage);

                        boolean resul = g2.drawImage(imageLegend, 0, 0, sz.width, newHeight, null);

                } else {

                        int newWidth = (int) (sz.height * ratioImage);

                        boolean resul = g2.drawImage(imageLegend, 0, 0, newWidth, sz.height, null);

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.toc.ITocItem#getLabel()

         */

        public String getLabel() {

                return description;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.toc.ITocItem#getIcon()

         */

        public Icon getIcon() {

                // System.out.println("Dentro de getIcon: layerType=" + layerType);

                if (imgLegend != null)

                {

                        Graphics2D g2 = imgLegend.createGraphics();

                        g2.drawString("Prueba", 10, 20);

                        return new ImageIcon(imgLegend);

                }

                BufferedImage img = null;

                switch (layerType)

                {

                        case FShape.POINT:

                        case FShape.LINE:

                        case FShape.POLYGON:

                        case FShape.MULTIPOINT:

                                img = new BufferedImage(w_1symbol, h_1symbol, BufferedImage.TYPE_INT_ARGB);

                                Graphics2D g2 = img.createGraphics();

                                Rectangle r = new Rectangle(w_1symbol, h_1symbol);        

                                symbol.drawInsideRectangle(g2, AffineTransform.getScaleInstance(0.8,0.8), r);

//                                // TODO: CAMBIAR PARA QUE NO DEPENDA DE FSYMBOL

//                                if (symbol instanceof FSymbol)

//                                        FGraphicUtilities.DrawSymbol(g2, AffineTransform.getScaleInstance(0.8,0.8), r, (FSymbol) symbol);

//                                // Por ahora, los que no sean FSymbol no se renderizan en el TOC.

                                break;                                                                        

                        case FShape.MULTI:

                                img = new BufferedImage(3*w_1symbol, h_1symbol, BufferedImage.TYPE_INT_ARGB);

                                g2 = img.createGraphics();

                                r = new Rectangle(3*w_1symbol, h_1symbol);

                                symbol.drawInsideRectangle(g2, AffineTransform.getScaleInstance(0.8,0.8), r);

//                                if (symbol instanceof FSymbol)

//                                        FGraphicUtilities.DrawSymbol(g2, AffineTransform.getScaleInstance(0.8,0.8), r, (FSymbol) symbol);

                                break;                                        

                }

                if (img==null)return null;//TODO tipo de shape no soportado.

                return new ImageIcon(img);

        }

        /* (non-Javadoc)

         * @see java.awt.datatransfer.Transferable#getTransferDataFlavors()

         */

        public DataFlavor[] getTransferDataFlavors() {

                return flavors;

        }

        /* (non-Javadoc)

         * @see java.awt.datatransfer.Transferable#isDataFlavorSupported(java.awt.datatransfer.DataFlavor)

         */

        public boolean isDataFlavorSupported(DataFlavor dF) {

                return dF.equals(INFO_FLAVOR);

        }

        /* (non-Javadoc)

         * @see java.awt.datatransfer.Transferable#getTransferData(java.awt.datatransfer.DataFlavor)

         */

        public Object getTransferData(DataFlavor dF) throws UnsupportedFlavorException, IOException {

            if (dF.equals(INFO_FLAVOR)) {

                return this;

              }

              else throw new UnsupportedFlavorException(dF);

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.toc.ITocItem#getSize()

         */

        public Dimension getSize() {

                return sz;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.toc.ITocItem#setSize(java.awt.Dimension)

         */

        public void setSize(Dimension sz) {

                this.sz = sz;

        }

        /**

         * @return Returns the symbol.

         */

        public ISymbol getSymbol() {

                return symbol;

        }

}