Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.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 org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.view.IContextMenuAction;

import org.gvsig.app.project.documents.view.toc.actions.ChangeSymbolTocMenuEntry;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException;

/**

 * @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;

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

//                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;

                Graphics2D g2 = null;

                Rectangle r = null;

                switch (layerType)

                {

                        case Geometry.TYPES.POINT:

                        case Geometry.TYPES.CURVE:

                        case Geometry.TYPES.SURFACE:

                        case Geometry.TYPES.MULTICURVE:

                        case Geometry.TYPES.MULTISURFACE:

                        case Geometry.TYPES.MULTIPOINT:

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

                                g2 = img.createGraphics();

                                r = new Rectangle(w_1symbol, h_1symbol);

//                                // 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 Geometry.TYPES.GEOMETRY:

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

                                g2 = img.createGraphics();

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

//                                if (symbol instanceof FSymbol)

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

                                break;

                }

                if (g2 == null) {

                        return null;//TODO tipo de shape no soportado.

                }

                try {

                        symbol.drawInsideRectangle(g2, AffineTransform.getScaleInstance(1,1), r,null);

                } catch (SymbolDrawingException e) {

                        if (e.getType() == SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS) {

                                try {

                                        MapContextLocator.getSymbolManager()

                                                        .getWarningSymbol(

                                                                        SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS,

                                                                        symbol.getDescription(),

                                                                        SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS)

                                                        .drawInsideRectangle(g2, g2.getTransform(),

                                                                        r.getBounds(), null);

                                } catch (SymbolDrawingException e1) {

                                        // IMPOSSIBLE TO REACH THIS

                                }

                        } else {

                                // should be unreachable code

                                throw new Error(PluginServices.getText(this, "symbol_shapetype_mismatch"));

                        }

                }

                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;

        }

        public IContextMenuAction getDoubleClickAction() {

                return new ChangeSymbolTocMenuEntry();

        }

}