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.labeling.gui.layerproperties;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.font.FontRenderContext;

import java.awt.font.GlyphVector;

import java.awt.geom.AffineTransform;

import javax.swing.JPanel;

import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass;

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

import org.gvsig.fmap.mapcontext.rendering.symbols.styles.ILabelStyle;

import org.gvsig.i18n.Messages;

public class LabelClassPreview extends JPanel {

        private static final long serialVersionUID = 3788548343944220354L;

        private Dimension sz = new Dimension(100, 200);

        private ILabelClass labelClass;

        @Override

        public Dimension getPreferredSize() {

                Dimension sz = labelClass == null ? this.sz : labelClass.getBounds().getSize();

                int w = sz.width;

                int h = sz.height;

                if (w>300) {

                        w = 300;

                }

                if (h>200) {

                        h = 200;

                }

                sz.setSize(w, h);

                return sz;

        }

        @Override

        protected void paintComponent(Graphics g) {

                if (labelClass == null)

                        return;

                Rectangle r = getBounds();

                r.setLocation(0, 0);

                g.setColor(Color.white);

                ((Graphics2D) g).fill(r);

                ((Graphics2D) g).setStroke(new BasicStroke(2));

                g.setColor(Color.black);

                ((Graphics2D) g).draw(r);

                ILabelStyle sty = labelClass.getLabelStyle();

                String cad;

                if (sty != null) {

                        int fc = sty.getFieldCount();

                        String[] texts = new String[fc];

                        for (int i = 0; i < texts.length; i++) {

                                texts[i] = Messages.getText("text_field") + " "+(i+1);

                        }

                        labelClass.setTexts(texts);

                } else {

                        labelClass.setTexts(new String[] {Messages.getText("text_field")});

                }

//                try {

//                        labelClass.drawInsideRectangle((Graphics2D) g, r);

                        ITextSymbol sym = labelClass.getTextSymbol();

                        Font myFont = new Font(sym.getFont().getName(),sym.getFont().getStyle(),35);

                        AffineTransform saveAT = ((Graphics2D)g).getTransform();

//                        AffineTransform tx = new AffineTransform();

//                        tx.setToTranslation(0, -r.getCenterY());

                        saveAT.translate(0, r.getCenterY());

                        ((Graphics2D) g).setTransform(saveAT);

                        FontRenderContext frc = new FontRenderContext(

                                        saveAT, false, true);;

                        g.setFont(myFont);

                        String text = Messages.getText("text_field");

                        if (sym.isDrawWithHalo()) {

                                BasicStroke haloStroke = new BasicStroke(sym.getHaloWidth());

                                char[] charText = new char[text.length()];

                                text.getChars(0, charText.length, charText, 0);

                                GlyphVector glyph = myFont.layoutGlyphVector(frc, charText, 0, charText.length, Font.LAYOUT_NO_LIMIT_CONTEXT);

                                g.setColor(sym.getHaloColor());

                                ((Graphics2D) g).setStroke(haloStroke);

                                ((Graphics2D) g).draw(glyph.getOutline());

                        }

                        g.setColor(sym.getTextColor());

                        g.drawString(Messages.getText("text_field"), 0, 0);

//                } catch (SymbolDrawingException e) {

//                        SymbologyFactory

//                                        .getWarningSymbol(

//                                                        PluginServices.getText(this,

//                                                                        "cant_draw_preview"),

//                                                        SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS,

//                                                        SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS);

//                }

        }

        public void setLabelClass(ILabelClass labelClass) {

                this.labelClass = labelClass;

        }

}