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.symbology.fmap.mapcontext.rendering.symbol.style;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.geom.Rectangle2D;

import java.io.IOException;

import java.net.URL;

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

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

import org.gvsig.svgsupport.DefaultSVGRenderer;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.gvsig.tools.util.Callable;

/**

 * Style for a SVG files.This is a XML specification and file format for

 * describing two-dimensional vector graphics, both static and animated.

 * SVG can be purely declarative or may include scripting. Images can contain

 * hyperlinks using outbound simple XLinks.It is an open standard created

 * by the World Wide Web Consortium..

 * 

 */

public class SVGStyle extends BackgroundFileStyle {

    public static final String SVG_STYLE_PERSISTENCE_DEFINITION_NAME = "SVGStyle";

    private static final String SOURCE = "source";

    private DefaultSVGRenderer renderer;

    /**

     * Constructor method

     * 

     */

    public SVGStyle() {

        this.renderer = new DefaultSVGRenderer();

    }

    @Override

    public void drawInsideRectangle(Graphics2D g,

        Rectangle rect,

        boolean keepAspectRatio) throws SymbolDrawingException {

        this.renderer.drawInsideRectangle(g, rect, keepAspectRatio);

    }

    @Override

    public boolean isSuitableFor(ISymbol symbol) {

        return true;

    }

    @Override

    public void setSource(URL url) throws IOException {

            source = url;

        this.renderer.setSource(url);

    }

    @Override

    public Rectangle getBounds() {

        try {

            Rectangle2D r = this.renderer.getBounds();

            return new Rectangle((int) r.getX(),

                (int) r.getY(),

                (int) r.getWidth(),

                (int) r.getHeight());

        } catch (Exception e) {

            return new Rectangle();

        }

    }

    @Override

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

        drawInsideRectangle(g, r);

    }

    @Override

    public void loadFromState(PersistentState state) throws PersistenceException {

            try {

                    String sourceSymbolInLibrary = state.getString(SOURCE_SYMBOL_IN_LIBRARY);

                    if (sourceSymbolInLibrary != null){

                            setSource(new URL(getSymbolLibraryURL().toString()+sourceSymbolInLibrary));

                    } else {

                            setSource(state.getURL(SOURCE));

                    }

            } catch (Exception e) {

                    throw new PersistenceCantSetSourceException(e);

            }

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

            if (isLibrarySymbol()){

                    state.set(SOURCE_SYMBOL_IN_LIBRARY, getSourceSymbolInLibrary());

            } else {

                    state.setNull(SOURCE_SYMBOL_IN_LIBRARY);

            }

        state.set(SOURCE, source);

    }

    public static class RegisterPersistence implements Callable {

        @Override

        public Object call() throws Exception {

            PersistenceManager manager = ToolsLocator.getPersistenceManager();

            if (manager.getDefinition(SVG_STYLE_PERSISTENCE_DEFINITION_NAME) == null) {

                DynStruct definition =

                    manager.addDefinition(SVGStyle.class,

                        SVG_STYLE_PERSISTENCE_DEFINITION_NAME,

                        SVG_STYLE_PERSISTENCE_DEFINITION_NAME

                            + " Persistence definition",

                        null,

                        null);

                // Extend the Style base definition

                definition.extend(manager.getDefinition(BACKGROUND_FILE_STYLE_PERSISTENCE_DEFINITION_NAME));

                definition.addDynFieldURL(SOURCE).setMandatory(true);

                definition.addDynFieldString(SOURCE_SYMBOL_IN_LIBRARY).setMandatory(false);

            }

            return Boolean.TRUE;

        }

    }    

}