ingo@2321: package de.intevation.flys.jfree;
ingo@2321: 
ingo@2321: import java.awt.BasicStroke;
ingo@2321: import java.awt.Color;
ingo@2321: import java.awt.geom.Ellipse2D;
ingo@2321: 
ingo@2321: 
ingo@2321: import org.w3c.dom.Document;
ingo@2321: 
ingo@2321: import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
ingo@2321: 
ingo@2321: import de.intevation.flys.utils.ThemeUtil;
ingo@2321: 
ingo@2321: 
ingo@2321: /**
felix@2648:  * Utility to apply theme-settings to a renderer.
ingo@2321:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@2321:  */
ingo@2321: public class XYStyle implements Style {
ingo@2321: 
ingo@2321:     protected Document theme;
ingo@2321: 
ingo@2321: 
ingo@2321:     public XYStyle(Document theme) {
ingo@2321:         this.theme = theme;
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     /**
ingo@2321:      * Applies line color, size and type attributes to renderer, also
ingo@2321:      * whether to draw lines and/or points.
ingo@2321:      */
ingo@2321:     public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
ingo@2321:         applyLineColor(r, idx);
ingo@2321:         applyLineSize(r, idx);
ingo@2321:         applyLineType(r, idx);
ingo@2321:         applyShowLine(r, idx);
ingo@2321:         applyShowPoints(r, idx);
ingo@2321:         applyPointSize(r, idx);
ingo@2321:         applyShowMinimum(r, idx);
ingo@2321:         applyShowMaximum(r, idx);
felix@2648:         applyShowLineLabel(r, idx);
felix@2656:         applyLineLabelFont(r, idx);
ingo@2321: 
ingo@2321:         return r;
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     /** Set line color to renderer. */
ingo@2321:     protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         Color c = ThemeUtil.parseLineColorField(theme);
ingo@2321:         r.setSeriesPaint(idx, c);
ingo@2321:     }
ingo@2321: 
ingo@2321: 
felix@2648:     /** Tells the renderer whether or not to add a label to a line. */
felix@2648:     protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
felix@2648:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
felix@2648:             return;
felix@2648:         }
felix@2648:         boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
felix@2648:         ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(showLabelLine, idx);
felix@2648:     }
felix@2648: 
felix@2656: 
felix@2656:     /** Tell the renderer which font (and -size and -style) to use for
felix@2656:      * linelabels. */
felix@2656:     protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
felix@2656:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
felix@2656:             return;
felix@2656:         }
felix@2656:         ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(ThemeUtil.parseLineLabelFont(theme), idx);
felix@2656:     }
felix@2656: 
felix@2656: 
felix@2656:     /** Set stroke of series. */
ingo@2321:     protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         int size = ThemeUtil.parseLineWidth(theme);
ingo@2321:         r.setSeriesStroke(
ingo@2321:             idx,
ingo@2321:             new BasicStroke(Integer.valueOf(size)));
ingo@2321:     }
ingo@2321: 
ingo@2321: 
felix@2656:     /** Set stroke strength of series. */
ingo@2321:     protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         int size = ThemeUtil.parseLineWidth(theme);
ingo@2321:         float[] dashes = ThemeUtil.parseLineStyle(theme);
ingo@2321: 
ingo@2321:         // Do not apply the dashed style.
ingo@2321:         if (dashes.length <= 1) {
ingo@2321:             return;
ingo@2321:         }
ingo@2321: 
ingo@2321:         r.setSeriesStroke(
ingo@2321:             idx,
ingo@2321:             new BasicStroke(Integer.valueOf(size),
ingo@2321:                             BasicStroke.CAP_BUTT,
ingo@2321:                             BasicStroke.JOIN_ROUND,
ingo@2321:                             1.0f,
ingo@2321:                             dashes,
ingo@2321:                             0.0f));
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         int size = ThemeUtil.parsePointWidth(theme);
ingo@2321:         int dim  = 2 * size;
ingo@2321: 
ingo@2321:         r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     /**
ingo@2321:      * Sets form and visibility of points.
ingo@2321:      */
ingo@2321:     protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         boolean show = ThemeUtil.parseShowPoints(theme);
ingo@2321: 
ingo@2321:         r.setSeriesShapesVisible(idx, show);
ingo@2321:         r.setDrawOutlines(true);
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         boolean show = ThemeUtil.parseShowLine(theme);
ingo@2321:         r.setSeriesLinesVisible(idx, show);
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
ingo@2321:             return;
ingo@2321:         }
ingo@2321: 
ingo@2321:         boolean visible = ThemeUtil.parseShowMinimum(theme);
ingo@2321: 
ingo@2321:         EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
ingo@2321:         er.setIsMinimumShapeVisisble(idx, visible);
ingo@2321:     }
ingo@2321: 
ingo@2321: 
ingo@2321:     protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
ingo@2321:         if (!(r instanceof EnhancedLineAndShapeRenderer)) {
ingo@2321:             return;
ingo@2321:         }
ingo@2321: 
ingo@2321:         boolean visible = ThemeUtil.parseShowMaximum(theme);
ingo@2321: 
ingo@2321:         EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
ingo@2321:         er.setIsMaximumShapeVisible(idx, visible);
ingo@2321:     }
ingo@2321: }
ingo@2321: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :