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: StylePreviewer.java 11055 2007-04-04 16:01:14Z jaume $

* $Log$

* Revision 1.2  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 1.1.2.4  2007/02/21 07:35:14  jaume

* *** empty log message ***

*

* Revision 1.1.2.3  2007/02/08 15:43:04  jaume

* some bug fixes in the editor and removed unnecessary imports

*

* Revision 1.1.2.2  2007/01/30 18:10:10  jaume

* start commiting labeling stuff

*

* Revision 1.1.2.1  2007/01/26 13:49:03  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.styles.IStyle;

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

/**

*

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

*

*/

public class StylePreviewer extends SymbolPreviewer{

        private int hGap = 5, vGap = 5;

        private IStyle style;

        private boolean showOutline;

        public StylePreviewer() {

                super();

                setBackground(Color.WHITE);

        }

        public IStyle getStyle() {

                return style;

        }

        public ISymbol getSymbol() {

                throw new Error(PluginServices.getText(this, "undefined_for_StylePreviewer_use")

                                +" getStyle() "+

                                PluginServices.getText(this, "instead") );

        }

        public void setSymbol(ISymbol symbol) {

                throw new Error(PluginServices.getText(this, "undefined_for_StylePreviewer_use")

                                +" setStyle(IStyle) "+

                                PluginServices.getText(this, "instead") );

        }

        public void setStyle(IStyle style) {

                this.style = style;

                repaint();

        }

        public void paint(Graphics 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 (style != null) {

                        if (showOutline) {

                                // this is a trick for the editor

                                style.drawOutline(g2, r);

                        } else {

                                style.drawInsideRectangle(g2, 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);

                }

        }

        /**

         * Allows to choose between paint styles Outline or the style itself.

         * @param b

         */

        public void setShowOutline(boolean b) {

                this.showOutline = b;

        }

}