Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1116:05e4ef0f9489
Improved stub for CrossSections (including Factory and Facet).
flys-artifacts/trunk@2623 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 31 Aug 2011 12:23:05 +0000 |
parents | 5b38cdf65307 |
children | 111794adf285 |
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package de.intevation.flys.exports; import org.apache.log4j.Logger; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.title.TextTitle; import org.jfree.data.Range; import org.jfree.data.xy.XYSeries; import org.w3c.dom.Document; import de.intevation.artifacts.Artifact; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.WQKms; /** * An OutGenerator that generates cross section graphs. */ public class CrossSectionGenerator extends XYChartGenerator implements FacetTypes { /** The logger that is used in this generator. */ private static Logger logger = Logger.getLogger(CrossSectionGenerator.class); public static final String I18N_CHART_TITLE = "chart.cross_section.title"; public static final String I18N_CHART_SUBTITLE = "chart.cross_section.subtitle"; public static final String I18N_XAXIS_LABEL = "chart.cross_section.xaxis.label"; public static final String I18N_YAXIS_LABEL = "chart.cross_section.yaxis.label"; public static final String I18N_CHART_TITLE_DEFAULT = "Querschnittt"; public static final String I18N_XAXIS_LABEL_DEFAULT = "m"; public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]"; protected boolean inverted; /** Trivial Constructor. */ public CrossSectionGenerator() { super(); } protected String getChartTitle() { return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT); } public boolean isInverted() { return inverted; } public void setInverted(boolean inverted) { this.inverted = inverted; } @Override protected void addSubtitles(JFreeChart chart) { double[] dist = getRange(); Object[] args = new Object[] { getRiverName(), dist[0], dist[1] }; //String subtitle = msg(I18N_CHART_SUBTITLE, "", args); String subtitle = "bogus"; chart.addSubtitle(new TextTitle(subtitle)); } @Override public JFreeChart generateChart() { JFreeChart c = super.generateChart(); XYPlot p = (XYPlot) c.getPlot(); return c; } protected String getXAxisLabel() { return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT); } protected String getYAxisLabel() { return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT); } protected void adjustAxes(XYPlot plot) { super.adjustAxes(plot); NumberAxis qAxis = new NumberAxis( msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT)); plot.setRangeAxis(1, qAxis); invertXAxis(plot.getDomainAxis()); } /** * This method overrides the XYChartGenerators zoomY method to include the 0 * value on the Q axis. */ @Override protected boolean zoomY(XYPlot plot, ValueAxis axis, Range range, Range x) { if (plot.getRangeAxisIndex(axis) == 1) { // we want the Q axis to start at 0 if no zooming has been done range = new Range(0d, range.getUpperBound()); } return super.zoomY(plot, axis, range, x); } /** * This method inverts the x-axis based on the kilometer information of the * selected river. If the head of the river is at kilometer 0, the axis is * not inverted, otherwise it is. * * @param xaxis The domain axis. */ protected void invertXAxis(ValueAxis xaxis) { if (inverted) { logger.debug("Invert X-Axis."); xaxis.setInverted(true); } } /** * Let one facet do its job. */ public void doOut(Artifact artifact, Facet facet, Document attr) { String name = facet.getName(); logger.debug("CrossSectionGenerator.doOut: " + name); if (name == null) { logger.error("No facet name for doOut(). No output generated!"); return; } FLYSArtifact flys = (FLYSArtifact) artifact; Facet f = flys.getNativeFacet(facet); if (f == null) { return; } if (name.equals(CROSS_SECTION)) { doCrossSectionOut(f.getData(artifact, context), attr); } else { logger.warn("CrossSection.doOut: Unknown facet name: " + name); return; } } /** * Do cross sections out. * * @param theme Theme for the data series. */ protected void doCrossSectionOut(Object o, Document theme) { logger.debug("CrossSectionGenerator.doCrossSectionOut"); XYSeries series = new StyledXYSeries("bogus", theme); // Add increadibly sophisticated values. series.add(4, 4); series.add(5, 14); addFirstAxisSeries(series); } /** * Get name of series (displayed in legend). * @return name of the series. */ protected String getSeriesName(WQKms wqkms, String mode) { String name = wqkms.getName(); String prefix = name != null && name.indexOf(mode) >= 0 ? null : mode; return prefix != null && prefix.length() > 0 ? prefix + "(" + name +")" : name; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :