gvSIG tools: basic charts

package org.gvsig.project.documents.layout.frames;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.font.FontRenderContext;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.chart.ChartDocument;

import org.gvsig.app.project.documents.layout.fframes.FFrame;

import org.gvsig.app.project.documents.layout.fframes.FFramePicture;

import org.gvsig.chart.ChartService;

import org.gvsig.compat.print.PrintAttributes;

import org.gvsig.fmap.geom.Geometry;

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;

public class FFrameChart extends FFrame {

        public static final String PERSISTENCE_DEFINITION_NAME = "FFrameChart";

        private static final String ASSOCIATED_CHART = "assoc_chart";

        protected ChartDocument chartDoc = null;

        private boolean legendVisible;

        private boolean axisLabels;

    public ChartDocument getChartDoc() {

                return chartDoc;

        }

        public static void registerPersistent() {

        PersistenceManager manager = ToolsLocator.getPersistenceManager();

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

            DynStruct definition =

                manager.addDefinition(FFrameChart.class,

                    PERSISTENCE_DEFINITION_NAME,

                    "FFrameChart persistence definition", null, null);

            definition.extend(manager

                .getDefinition(FFrame.PERSISTENCE_DEFINITION_NAME));

            definition.addDynFieldObject(ASSOCIATED_CHART).setClassOfValue(ChartDocument.class).setMandatory(true);

        }

    }

        public String getName() {

                return PERSISTENCE_DEFINITION_NAME;

        }

        public String getNameFFrame() {

                return PluginServices.getText(this, "chart") + num;

        }

        public void print(Graphics2D g, AffineTransform at, Geometry shape,

                        PrintAttributes properties) {

                draw(g, at, null, null);                

        }

        @Override

        public void draw(Graphics2D g, AffineTransform at, Rectangle2D rv,

                        BufferedImage imgBase) {

                if (chartDoc == null)

                        return;

                        ChartService chS = ((ChartService) chartDoc.getChartService()).clone();

                        if (chS != null) {

                                chS.getChartProperties().setIsLegendVisible(this.getLegendVisible());

                                int axisCount = chS.getDomainAxis().size();

                                for(int i=0; i<axisCount; i++){

                                        chS.getDomainAxis().get(i).setIsChartAxisTitleVisible(false);

                                }

                                axisCount = chS.getRangeAxis().size();

                                for(int i=0; i<axisCount; i++){

                                        chS.getRangeAxis().get(i).setIsChartAxisTitleVisible(false);

                                }

                                //chS.setAxisVisibles(false);

                        Rectangle2D.Double r = getBoundingBox(at);

                        g.rotate(Math.toRadians(getRotation()), r.x + (r.width / 2), r.y

                            + (r.height / 2));

                        double x = r.getMinX();

                        double y = r.getMinY();

                        double w = r.getWidth();

                        double h = r.getHeight();

                        if (intersects(rv, r) || w != 0 || h != 0) { // comprueba que no cae fuera de la pantalla

                                // Ajustamos el tama?o del texto.

                        FontRenderContext frc = g.getFontRenderContext();

                        int scaledFontSize;

                        // TODO myScale es la escala sobre la que se extraen todos los

                        // escalados. Esto

                        // funciona bien tal cual est? si la ratio de aspecto

                        // (alto/ancho) del folio es constante

                        // porque se toma como medidas el ancho del folio real y el

                        // ancho del folio en pantalla.

                        // No se que pasar? si la ratio cambia, por ejemplo si se usan

                        // USLetter en lugar de DIN A4

                        double myScale = at.getScaleX() * 0.0234; // FLayoutUtilities.fromSheetDistance(folio.getAncho(),at)/rv.getWidth();

                        if(rv != null){

                                myScale = r.getWidth()/rv.getWidth();

                        }

                            // Aqu? se ajusta a partir de las caracter?sticas de la

                            // fuente, una nueva fuente con el tama?o ajustado.

                        chS.draw(g, r.getBounds());

                        chS.scaleFonts(myScale);

                                chS.draw(g, r.getBounds());

                                // restauramos

                                //chS.scaleFonts(myScale);

                        }

                        }

        }

    @Override

    public void loadFromState(PersistentState state)

        throws PersistenceException {

        super.loadFromState(state);

        chartDoc = (ChartDocument) state.get(ASSOCIATED_CHART);

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        super.saveToState(state);

        state.set(ASSOCIATED_CHART, chartDoc);

    }

        public void setChartDoc(ChartDocument chartSelected) {

                this.chartDoc = chartSelected;

        }

        public void setLegendVisible(boolean selected) {

                this.legendVisible = selected;

        }

        public boolean getLegendVisible(){

                return this.legendVisible;

        }

        public void setAxisLabels(boolean selected) {

                this.axisLabels = selected;

        }

        public boolean getAxisLabels(){

                return this.axisLabels;

        }

}