--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/fixings/FixDeltaWtGenerator.java	Wed Jun 20 16:10:59 2012 +0000
@@ -0,0 +1,391 @@
+package de.intevation.flys.exports.fixings;
+
+import java.util.Date;
+
+import java.awt.Color;
+import java.awt.BasicStroke;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.Document;
+
+import org.apache.log4j.Logger;
+
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.title.TextTitle;
+
+import org.jfree.data.general.SeriesException;
+import org.jfree.data.time.Day;
+import org.jfree.data.time.Month;
+import org.jfree.data.time.RegularTimePeriod;
+import org.jfree.data.time.TimeSeries;
+import org.jfree.data.time.TimeSeriesCollection;
+import org.jfree.chart.plot.Marker;
+import org.jfree.chart.plot.ValueMarker;
+import org.jfree.chart.plot.IntervalMarker;
+
+import java.io.OutputStream;
+
+import javax.xml.xpath.XPathConstants;
+
+import de.intevation.artifacts.ArtifactNamespaceContext;
+import de.intevation.artifacts.common.utils.XMLUtils;
+import de.intevation.artifacts.CallContext;
+
+
+import de.intevation.artifactdatabase.state.ArtifactAndFacet;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
+import de.intevation.flys.artifacts.model.FacetTypes;
+import de.intevation.flys.artifacts.model.HistoricalWQTimerange;
+import de.intevation.flys.artifacts.model.Timerange;
+import de.intevation.flys.artifacts.model.WQTimerange;
+import de.intevation.flys.jfree.StyledTimeSeries;
+import de.intevation.flys.utils.FLYSUtils;
+import de.intevation.flys.exports.TimeseriesChartGenerator;
+import de.intevation.flys.artifacts.model.fixings.QWD;
+import de.intevation.flys.artifacts.model.fixings.DateRange;
+
+/**
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class FixDeltaWtGenerator
+extends      TimeseriesChartGenerator
+implements   FacetTypes
+{
+    private static Logger logger =
+        Logger.getLogger(FixDeltaWtGenerator.class);
+
+    public static final String XPATH_CHART_CURRENTKM =
+        "/art:action/art:attributes/art:currentKm";
+
+    public static final String I18N_CHART_TITLE =
+        "chart.fix.deltawt.title";
+
+    public static final String I18N_CHART_SUBTITLE =
+        "chart.fix.deltawt.subtitle";
+
+    public static final String I18N_XAXIS_LABEL =
+        "chart.fix.deltawt.xaxis.label";
+
+    public static final String I18N_YAXIS_LABEL =
+        "chart.fix.deltawt.yaxis.label";
+
+    public static final String I18N_YAXIS_SECOND_LABEL =
+        "chart.fix.deltawt.yaxis.second.label";
+
+
+    public static enum YAXIS {
+        dW(0);
+        protected int idx;
+        private YAXIS(int c) {
+            idx = c;
+        }
+    }
+
+
+    @Override
+    protected YAxisWalker getYAxisWalker() {
+        return new YAxisWalker() {
+            @Override
+            public int length() {
+                return YAXIS.values().length;
+            }
+
+            @Override
+            public String getId(int idx) {
+                YAXIS[] yaxes = YAXIS.values();
+                return yaxes[idx].toString();
+            }
+        };
+    }
+
+
+    @Override
+    protected String getDefaultChartTitle() {
+        return msg(I18N_CHART_TITLE, I18N_CHART_TITLE);
+    }
+
+
+    @Override
+    protected String getDefaultChartSubtitle() {
+        String[] args = new String[] {
+            FLYSUtils.getReferenceGaugeName((FLYSArtifact) master)
+        };
+
+        return msg(I18N_CHART_SUBTITLE, "", args);
+    }
+
+
+    /**
+     * Empty (suppress subtitle).
+     */
+    @Override
+    protected void addSubtitles(JFreeChart chart) {
+        String subtitle = getChartSubtitle();
+
+        if (subtitle != null && subtitle.length() > 0) {
+            chart.addSubtitle(new TextTitle(subtitle));
+        }
+    }
+
+
+    @Override
+    protected String getDefaultXAxisLabel() {
+        return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL);
+    }
+
+    @Override
+    protected String getDefaultYAxisLabel(int pos) {
+        if (pos == 0) {
+            return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL);
+        }
+        else if (pos == 1) {
+            return msg(I18N_YAXIS_SECOND_LABEL, I18N_YAXIS_SECOND_LABEL);
+        }
+        else {
+            return "NO TITLE FOR Y AXIS: " + pos;
+        }
+    }
+
+
+    public void doOut(
+        ArtifactAndFacet artifactFacet,
+        Document         theme,
+        boolean          visible
+    ) {
+        String name = artifactFacet.getFacetName();
+        logger.debug("FixDeltaWtGenerator.doOut: " + name);
+        logger.debug("Theme description is: " + artifactFacet.getFacetDescription());
+
+        if (name.contains(FIX_SECTOR_AVERAGE_DWT)) {
+            doSectorAverageOut(
+                (FLYSArtifact) artifactFacet.getArtifact(),
+                artifactFacet.getData(context),
+                artifactFacet.getFacetDescription(),
+                theme,
+                visible);
+        }
+        else if (name.equals(FIX_REFERENCE_EVENTS_DWT)) {
+            doReferenceEventsOut(
+                (FLYSArtifact) artifactFacet.getArtifact(),
+                artifactFacet.getData(context),
+                artifactFacet.getFacetDescription(),
+                theme,
+                visible);
+        }
+        else if (name.equals(FIX_ANALYSIS_EVENTS_DWT)) {
+            doAnalysisEventsOut(
+                (FLYSArtifact) artifactFacet.getArtifact(),
+                artifactFacet.getData(context),
+                artifactFacet.getFacetDescription(),
+                theme,
+                visible);
+        }
+        else if (name.equals(FIX_DEVIATION_DWT)) {
+            doDeviationOut(
+                (FLYSArtifact) artifactFacet.getArtifact(),
+                artifactFacet.getData(context),
+                artifactFacet.getFacetDescription(),
+                theme,
+                visible);
+        }
+        else if (name.equals(FIX_ANALYSIS_PERIODS_DWT)) {
+            doAnalysisPeriodsOut(
+                (FLYSArtifact) artifactFacet.getArtifact(),
+                artifactFacet.getData(context),
+                artifactFacet.getFacetDescription(),
+                theme,
+                visible);
+        }
+        else {
+           logger.warn("doOut(): unknown facet name: " + name);
+           return;
+        }
+    }
+
+
+    protected void doSectorAverageOut(
+        FLYSArtifact artifact,
+        Object       data,
+        String       desc,
+        Document     theme,
+        boolean      visible)
+    {
+        logger.debug("doSectorAverageOut(): description = " + desc);
+
+        QWD qwd = (QWD) data;
+        TimeSeriesCollection tsc = new TimeSeriesCollection();
+        TimeSeries        series = new StyledTimeSeries(desc, theme);
+
+        if (qwd == null) {
+            return;
+        }
+        RegularTimePeriod rtp = new Day(qwd.getDate());
+        double value =  qwd.getDeltaW();
+        series.add(rtp, value);
+        tsc.addSeries(series);
+
+        addAxisDataset(tsc, 0, visible);
+    }
+
+
+    protected void doAnalysisEventsOut(
+        FLYSArtifact artifact,
+        Object       data,
+        String       desc,
+        Document     theme,
+        boolean      visible
+    ) {
+        logger.debug("doAnalysisEventsOut: desc = " + desc);
+
+        QWD[] qwds = (QWD[]) data;
+        TimeSeriesCollection tsc = new TimeSeriesCollection();
+        TimeSeries        series = new StyledTimeSeries(desc, theme);
+
+        if (qwds == null) {
+            return;
+        }
+        for (int i = 0; i < qwds.length; i++) {
+            if (qwds[i] == null) {
+                continue;
+            }
+            RegularTimePeriod rtp = new Day(qwds[i].getDate());
+            double value =  qwds[i].getDeltaW();
+            series.add(rtp, value);
+        }
+        tsc.addSeries(series);
+
+        addAxisDataset(tsc, 0, visible);
+
+    }
+
+
+    protected void doReferenceEventsOut(
+        FLYSArtifact artifact,
+        Object       data,
+        String       desc,
+        Document     theme,
+        boolean      visible
+    ) {
+        logger.debug("doReferenceEventsOut: desc = " + desc);
+
+        QWD[] qwds = (QWD[]) data;
+        TimeSeriesCollection tsc = new TimeSeriesCollection();
+        TimeSeries        series = new StyledTimeSeries(desc, theme);
+
+        if (qwds == null) {
+            return;
+        }
+        for (int i = 0; i < qwds.length; i++) {
+            if (qwds[i] == null) {
+                continue;
+            }
+            logger.debug("adding..." + qwds[i].getDate() + "; val: " + qwds[i].getDeltaW());
+            RegularTimePeriod rtp = new Day(qwds[i].getDate());
+            double value =  qwds[i].getDeltaW();
+            series.addOrUpdate(rtp, value);
+        }
+        tsc.addSeries(series);
+
+        addAxisDataset(tsc, 0, visible);
+    }
+
+
+    protected void doDeviationOut(
+        FLYSArtifact artifact,
+        Object       data,
+        String       desc,
+        Document     theme,
+        boolean      visible
+    ) {
+        logger.debug("doDeviationOut: desc = " + desc);
+
+        if (data == null || !visible) {
+            logger.debug("no standard deviation");
+            return;
+        }
+        double[] value = (double[]) data;
+        IntervalMarker lower = new IntervalMarker((value[0] * -1), 0);
+        lower.setAlpha(0.2f);
+        lower.setPaint(Color.BLACK);
+        IntervalMarker upper = new IntervalMarker(0, value[0]);
+        upper.setAlpha(0.2f);
+        upper.setPaint(Color.BLACK);
+
+        valueMarker.add(lower);
+        valueMarker.add(upper);
+    }
+
+
+    protected void doAnalysisPeriodsOut(
+        FLYSArtifact artifact,
+        Object       data,
+        String       desc,
+        Document     theme,
+        boolean      visible
+    ) {
+        logger.debug("doHistoricalDischargeDifferenceOut: desc = " + desc);
+
+        DateRange[] ranges = (DateRange[]) data;
+        if (ranges == null || !visible) {
+            return;
+        }
+        for (int i = 0; i < ranges.length; i++) {
+            logger.debug("creating domain marker");
+            RegularTimePeriod start = new Month(ranges[i].getFrom());
+            RegularTimePeriod end = new Month(ranges[i].getTo());
+            IntervalMarker marker =
+                new IntervalMarker(start.getMiddleMillisecond(),
+                                   end.getMiddleMillisecond());
+            marker.setAlpha(0.3f);
+            if ((i % 2) == 0) {
+                marker.setPaint(Color.RED);
+            }
+            else {
+                marker.setPaint(Color.BLUE);
+            }
+            domainMarker.add(marker);
+        }
+        logger.debug("domainmarkers: " + domainMarker.size());
+    }
+
+
+    @Override
+    public void init(Document request, OutputStream out, CallContext context) {
+        super.init(request, out, context);
+
+        logger.debug("currentKm = " + new Double(getCurrentKmFromRequest()));
+        context.putContextValue("currentKm", new Double(getCurrentKmFromRequest()));
+
+        ValueMarker marker = new ValueMarker(0);
+        marker.setPaint(Color.black);
+        marker.setStroke(new BasicStroke(2));
+        valueMarker.add(marker);
+    }
+
+    public double getCurrentKmFromRequest() {
+        Element km = (Element)XMLUtils.xpath(
+            request,
+            XPATH_CHART_CURRENTKM,
+            XPathConstants.NODE,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (km == null) {
+            return -1d;
+        }
+
+        String uri = ArtifactNamespaceContext.NAMESPACE_URI;
+
+        String currentKm = km.getAttributeNS(uri, "km");
+        try {
+            double d = Double.valueOf(currentKm).doubleValue();
+            return d;
+        }
+        catch(NumberFormatException nfe) {
+            return -1d;
+        }
+    }
+
+
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :