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

 */

/* CVS MESSAGES:

*

* $Id: SymbolPreviewer.java 11055 2007-04-04 16:01:14Z jaume $

* $Log$

* Revision 1.3  2007-04-04 16:01:14  jaume

* *** empty log message ***

*

* Revision 1.2  2007/03/09 11:25:00  jaume

* Advanced symbology (start committing)

*

* Revision 1.1.2.3  2007/02/21 07:35:14  jaume

* *** empty log message ***

*

* Revision 1.1.2.2  2007/02/08 15:43:05  jaume

* some bug fixes in the editor and removed unnecessary imports

*

* Revision 1.1.2.1  2007/01/26 13:49:03  jaume

* *** empty log message ***

*

* Revision 1.4  2007/01/16 11:52:11  jaume

* *** empty log message ***

*

* Revision 1.8  2007/01/10 17:05:05  jaume

* moved to FMap and gvSIG

*

* Revision 1.7  2006/10/30 19:30:35  jaume

* *** empty log message ***

*

* Revision 1.6  2006/10/29 23:53:49  jaume

* *** empty log message ***

*

* Revision 1.5  2006/10/29 21:45:12  jaume

* centers in x the "none selected message"

*

* Revision 1.4  2006/10/29 21:43:34  jaume

* *** empty log message ***

*

* Revision 1.3  2006/10/29 21:40:29  jaume

* centers in x the "none selected message"

*

* Revision 1.2  2006/10/26 07:46:58  jaume

* *** empty log message ***

*

* Revision 1.1  2006/10/25 10:50:41  jaume

* movement of classes and gui stuff

*

* Revision 1.2  2006/10/24 19:54:55  jaume

* *** empty log message ***

*

* Revision 1.1  2006/10/24 16:31:12  jaume

* *** empty log message ***

*

*

*/

package com.iver.cit.gvsig.gui.styling;

import java.awt.Color;

import java.awt.Font;

import java.awt.FontMetrics;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import javax.swing.JPanel;

import com.iver.andami.PluginServices;

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

/**

*

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

*

*/

public class SymbolPreviewer extends JPanel {

        private int hGap = 5, vGap = 5;

        private ISymbol symbol;

        public SymbolPreviewer() {

                super();

                setBackground(Color.WHITE);

        }

        public ISymbol getSymbol() {

                return symbol;

        }

        public void setSymbol(ISymbol symbol) {

                this.symbol = symbol;

                repaint();

        }

        public void paint(Graphics g) {

                super.paint(g);

                Graphics2D g2 = (Graphics2D) g;

                g2.translate(hGap, vGap);

                Rectangle r = getBounds();

                r = new Rectangle(0, 0, (int) (r.getWidth()-(hGap*2)), (int) (r.getHeight()-(vGap*2)));

                if (symbol != null) {

                        symbol.drawInsideRectangle(g2, new AffineTransform(), r);

                } else {

                        String noneSelected = "["+PluginServices.getText(this, "preview_not_available")+"]";

                        FontMetrics fm = g2.getFontMetrics();

                        int lineWidth = fm.stringWidth(noneSelected);

                        float scale = (float) r.getWidth() / lineWidth;

                        Font f = g2.getFont();

                        float fontSize = f.getSize()*scale;

                        g2.setFont(        f.deriveFont( fontSize ) );

                        g2.drawString(noneSelected,         (r.x*scale) - (hGap/2), r.height/2+vGap*scale);

                }

        }

}