--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java	Wed Aug 31 10:24:49 2011 +0000
@@ -0,0 +1,215 @@
+package de.intevation.flys.exports;
+
+import java.util.ArrayList;
+import java.util.List;
+
+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.jfree.data.xy.XYSeriesCollection;
+import org.jfree.ui.TextAnchor;
+
+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;
+
+import de.intevation.flys.model.Annotation;
+import de.intevation.flys.jfree.StickyAxisAnnotation;
+
+
+/**
+ * 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);
+        }
+    }
+
+
+    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;
+        }
+    }
+
+
+    /**
+     * Register annotations available for the diagram.
+     *
+     * @param o     list of annotations (data of facet).
+     * @param theme yet ignored.
+     */
+    protected void doCrossSectionOut(Object o, Document theme) {
+        logger.debug("LongitudinalSectionGenerator.doCrossSectionOut");
+
+        /*Object[] args = new Object[] {getRiverName()};
+        String label = msg(I18N_ANNOTATIONS_LABEL, "", args);
+        pseudoAnnotationData.addSeries(new StyledXYSeries(label, theme));*/
+    }
+
+
+    /**
+     * 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 :
+