| gvSIG desktop 1

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;

public class StylePreviewer extends SymbolPreviewer{

        private int hGap = 5, vGap = 5;

        private IStyle style;

        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) {

                        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);

                }

        }

}