Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 4232:b3aa91e45010
Implemented the Q evaluation mode for historical discharge calculations.
Added the calculation itself, created new facets, added themes and improved the chart generator
to support the new facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 07:25:35 +0200 |
parents | 0b9b2a0c4e64 |
children |
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package de.intevation.flys.jfree; import de.intevation.flys.utils.ThemeUtil; import java.awt.BasicStroke; import java.awt.Color; import java.awt.geom.Ellipse2D; import org.apache.log4j.Logger; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.w3c.dom.Document; /** * Utility to apply theme-settings to a renderer. * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class XYStyle implements Style { private static Logger logger = Logger.getLogger(XYStyle.class); protected Document theme; protected XYLineAndShapeRenderer renderer; public XYStyle(Document theme) { this.theme = theme; this.renderer = null; } /** * Applies line color, size and type attributes to renderer, also * whether to draw lines and/or points. */ @Override public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){ this.renderer = r; applyLineColor(r, idx); applyLineSize(r, idx); applyLineType(r, idx); applyShowLine(r, idx); applyShowPoints(r, idx); applyPointSize(r, idx); applyPointColor(r, idx); applyShowMinimum(r, idx); applyShowMaximum(r, idx); // Line label styles applyShowLineLabel(r, idx); applyShowLineLabelBG(r, idx); applyLineLabelFont(r, idx); applyLineLabelColor(r, idx); applyLineLabelBGColor(r, idx); // Point label styles // TODO: Currently point label are annotations and are not drawn this way /* applyShowPointLabelBG(r, idx); applyLinePointFont(r, idx); applyLinePointColor(r, idx); applyLinePointBGColor(r, idx);*/ return r; } /** Set line color to renderer. */ protected void applyLineColor(XYLineAndShapeRenderer r, int idx) { Color c = ThemeUtil.parseLineColorField(theme); if(c != null) { logger.debug("applyLineColor " + c.toString()); r.setSeriesPaint(idx, c); } else { logger.warn("applyLineColor: color is null - malformed linecolor field?"); } } /** Tells the renderer whether or not to add a label to a line. */ protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme); boolean anyLabel = showLabelLine || ThemeUtil.parseShowWidth(theme) || ThemeUtil.parseShowLevel(theme) || ThemeUtil.parseShowMiddleHeight(theme); ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx); } /** Tells the renderer whether or not to fill the bg of a lines label. */ protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } boolean showLabelLine = ThemeUtil.parseLabelShowBackground(theme); ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine); } /** Tell the renderer which font (and -size and -style) to use for * linelabels. */ protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } ((EnhancedLineAndShapeRenderer)r).setLineLabelFont( ThemeUtil.parseTextFont(theme), idx); } /** Tell the renderer which color to use for * linelabels. */ protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor( idx, ThemeUtil.parseTextColor(theme)); } /** Tell the renderer which color to use for bg of * linelabels. */ protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx, ThemeUtil.parseTextBackground(theme)); } /** Set stroke of series. */ protected void applyLineSize(XYLineAndShapeRenderer r, int idx) { int size = ThemeUtil.parseLineWidth(theme); r.setSeriesStroke( idx, new BasicStroke(size)); } /** Set stroke strength of series. */ protected void applyLineType(XYLineAndShapeRenderer r, int idx) { int size = ThemeUtil.parseLineWidth(theme); float[] dashes = ThemeUtil.parseLineStyle(theme); // Do not apply the dashed style. if (dashes.length <= 1) { return; } r.setSeriesStroke( idx, new BasicStroke(size, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dashes, 0.0f)); } protected void applyPointSize(XYLineAndShapeRenderer r, int idx) { int size = ThemeUtil.parsePointWidth(theme); int dim = 2 * size; r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim)); } protected void applyPointColor(XYLineAndShapeRenderer r, int idx) { Color c = ThemeUtil.parsePointColor(theme); if (c != null) { r.setSeriesFillPaint(idx, c); r.setUseFillPaint(true); r.setDrawOutlines(false); } } /** * Sets form and visibility of points. */ protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) { boolean show = ThemeUtil.parseShowPoints(theme); r.setSeriesShapesVisible(idx, show); r.setDrawOutlines(true); } protected void applyShowLine(XYLineAndShapeRenderer r, int idx) { boolean show = ThemeUtil.parseShowLine(theme); r.setSeriesLinesVisible(idx, show); } protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } boolean visible = ThemeUtil.parseShowMinimum(theme); EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; er.setIsMinimumShapeVisisble(idx, visible); } protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) { if (!(r instanceof EnhancedLineAndShapeRenderer)) { return; } boolean visible = ThemeUtil.parseShowMaximum(theme); EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; er.setIsMaximumShapeVisible(idx, visible); } @Override public XYLineAndShapeRenderer getRenderer() { return this.renderer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :