Application: gvSIG desktop

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

 *

 * Copyright (C) 2005 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.symbology.fmap.styles;

import java.awt.Component;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.io.File;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URL;

import org.apache.log4j.Logger;

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

import com.iver.cit.gvsig.fmap.core.styles.AbstractStyle;

import com.iver.cit.gvsig.fmap.core.symbols.SymbolDrawingException;

import com.iver.utiles.XMLEntity;

/**

 * Defines methods that allows the user to create an style based in a

 * background file.For this reason, BackgroundFileStyle will

 * have a parameter that will be an string in order to specify this source file.

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public abstract class BackgroundFileStyle extends AbstractStyle {

        public static BackgroundFileStyle createStyleByURL(URL url) throws IOException {

                BackgroundFileStyle bgImage;

                String l = url.toString().toLowerCase();

                if (l.startsWith("http://") ||

                        l.startsWith("https://"))  {

                        bgImage = new RemoteFileStyle();

                } else if (l.toLowerCase().endsWith(".svg")) {

                        bgImage = new SVGStyle();

                } else {

                        bgImage = new ImageStyle();

                }

                bgImage.setSource(url);

                return bgImage;

        }

        protected URL sourceFile;

        protected boolean isRelativePath;

        /**

         * Sets the file that is used as a source to create the Background

         * @param f, File

         * @throws IOException

         */

        public abstract void setSource(URL url) throws IOException;

    /**

     * Gets the bounding <code>Rectangle</code> of this <code>Rectangle</code>.

     * <p>

     * This method is included for completeness, to parallel the

     * <code>getBounds</code> method of

     * {@link Component}.

     * @return    a new <code>Rectangle</code>, equal to the

     * bounding <code>Rectangle</code> for this <code>Rectangle</code>.

     * @see       java.awt.Component#getBounds

     * @see       #setBounds(Rectangle)

     * @see       #setBounds(int, int, int, int)

     * @since     JDK1.1

     */

        public abstract Rectangle getBounds();

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

                String source=sourceFile.toString();

//                if(isRelativePath)

//                        source=sourceFile.toString().substring(SymbologyFactory.SymbolLibraryPath.length()+1);

                xml.putProperty("className", getClassName());

                xml.putProperty("source", source);

                xml.putProperty("desc", getDescription());

                return xml;

        }

        public void setXMLEntity(XMLEntity xml) {

                String strSource = xml.getStringProperty("source");

                URL source = null;

                try {

                        try {

                                source = new URL(strSource);

                        } catch (MalformedURLException e) {

                                File fileSource = new File(SymbologyFactory.StyleLibraryPath + File.separator + strSource);

                                source = fileSource.toURL();

                        }

                        setSource(source);

                        setDescription(xml.getStringProperty("desc"));

                } catch (IOException ioEx) {

                        Logger.getLogger(this.getClass()).error("Can't load image '"+strSource+"'");

                }

        }

        /**

         * Obtains the source of the file which is used to create the background

         * @return

         */

        public final URL getSource() {

                return sourceFile;

        }

        public final void drawInsideRectangle(Graphics2D g, Rectangle r) throws SymbolDrawingException {

                drawInsideRectangle(g, r, true);

        }

        public abstract void drawInsideRectangle(Graphics2D g, Rectangle r, boolean keepAspectRatio) throws SymbolDrawingException ;

}