ingo@2074: package de.intevation.flys.jfree;
ingo@2074: 
ingo@2074: import java.awt.BasicStroke;
ingo@2074: import java.awt.Color;
ingo@2074: import java.awt.geom.Ellipse2D;
ingo@2074: 
ingo@2074: import org.apache.log4j.Logger;
ingo@2074: 
ingo@2074: import org.w3c.dom.Document;
ingo@2074: 
ingo@2074: import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
ingo@2074: import org.jfree.data.xy.XYSeries;
ingo@2074: 
ingo@2074: import de.intevation.flys.utils.ThemeUtil;
ingo@2074: 
ingo@2074: /**
ingo@2074:  * Dataseries in two dimensions with additional theme-document and further
ingo@2074:  * display options.
ingo@2074:  * The theme-document will later "style" the graphical representation.
ingo@2074:  * The display options can be used to control the z-order and the axis of the 
ingo@2074:  * dataseries.
ingo@2074:  */
ingo@2074: public class StyledXYSeries extends XYSeries {
ingo@2074: 
ingo@2074:     protected Document theme;
ingo@2074: 
ingo@2074:     private static final Logger logger = Logger.getLogger(StyledXYSeries.class);
ingo@2074: 
ingo@2074: 
ingo@2074:     public StyledXYSeries(String key, Document theme) {
ingo@2074:         this(key, true, theme);
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     /**
ingo@2074:      * @param sorted whether or not to sort the points. Sorting will move NANs
ingo@2074:      *               to one extrema which can cause problems in certain
ingo@2074:      *               algorithms.
ingo@2074:      */
ingo@2074:     public StyledXYSeries(String key, boolean sorted, Document theme) {
ingo@2074:         super(key, sorted);
ingo@2074:         this.theme = theme;
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     /**
ingo@2074:      * Applies line color, size and type attributes to renderer, also
ingo@2074:      * whether to draw lines and/or points.
ingo@2074:      */
ingo@2074:     public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
ingo@2074:         applyLineColor(r, idx);
ingo@2074:         applyLineSize(r, idx);
ingo@2074:         applyLineType(r, idx);
ingo@2074:         applyShowLine(r, idx);
ingo@2074:         applyShowPoints(r, idx);
ingo@2076:         applyPointSize(r, idx);
ingo@2074:         applyShowMinimum(r, idx);
ingo@2074:         applyShowMaximum(r, idx);
ingo@2074: 
ingo@2074:         return r;
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     /** Set line color to renderer. */
ingo@2074:     protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         Color c = ThemeUtil.parseLineColorField(theme);
ingo@2074:         r.setSeriesPaint(idx, c);
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         int size = ThemeUtil.parseLineWidth(theme);
ingo@2074:         r.setSeriesStroke(
ingo@2074:             idx,
ingo@2074:             new BasicStroke(Integer.valueOf(size)));
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         int size = ThemeUtil.parseLineWidth(theme);
ingo@2074:         float[] dashes = ThemeUtil.parseLineStyle(theme);
ingo@2074: 
ingo@2074:         // Do not apply the dashed style.
ingo@2074:         if (dashes.length <= 1) {
ingo@2074:             return;
ingo@2074:         }
ingo@2074: 
ingo@2074:         r.setSeriesStroke(
ingo@2074:             idx,
ingo@2074:             new BasicStroke(Integer.valueOf(size),
ingo@2074:                             BasicStroke.CAP_BUTT,
ingo@2074:                             BasicStroke.JOIN_ROUND,
ingo@2074:                             1.0f,
ingo@2074:                             dashes,
ingo@2074:                             0.0f));
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2076:     protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
ingo@2076:         int size = ThemeUtil.parsePointWidth(theme);
ingo@2076:         int dim  = 2 * size;
ingo@2076: 
ingo@2076:         r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
ingo@2076:     }
ingo@2076: 
ingo@2076: 
ingo@2074:     /**
ingo@2074:      * Sets form and visibility of points.
ingo@2074:      */
ingo@2074:     protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         boolean show = ThemeUtil.parseShowPoints(theme);
ingo@2076: 
ingo@2074:         r.setSeriesShapesVisible(idx, show);
ingo@2074:         r.setDrawOutlines(true);
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         boolean show = ThemeUtil.parseShowLine(theme);
ingo@2074:         r.setSeriesLinesVisible(idx, show);
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
ingo@2074:             return;
ingo@2074:         }
ingo@2074: 
ingo@2074:         boolean visible = ThemeUtil.parseShowMinimum(theme);
ingo@2074: 
ingo@2074:         EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
ingo@2074:         er.setIsMinimumShapeVisisble(idx, visible);
ingo@2074:     }
ingo@2074: 
ingo@2074: 
ingo@2074:     protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
ingo@2074:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
ingo@2074:             return;
ingo@2074:         }
ingo@2074: 
ingo@2074:         boolean visible = ThemeUtil.parseShowMaximum(theme);
ingo@2074: 
ingo@2074:         EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
ingo@2074:         er.setIsMaximumShapeVisible(idx, visible);
ingo@2074:     }
ingo@2074: }
ingo@2074: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :