Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java @ 399:53cc794fee07
Improved the transition model and added states to enable the 'discharge longitudinal section' computation - NOTE: the work in this computation has not finished yet.
flys-artifacts/trunk@1830 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 05 May 2011 06:12:44 +0000 |
parents | |
children | 34de11dcf355 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java Thu May 05 06:12:44 2011 +0000 @@ -0,0 +1,109 @@ +package de.intevation.flys.artifacts.states; + +import java.util.List; + +import org.apache.log4j.Logger; + +import org.w3c.dom.Element; + +import de.intevation.artifacts.Artifact; +import de.intevation.artifacts.CallContext; + +import de.intevation.artifactdatabase.ProtocolUtils; + +import de.intevation.artifacts.common.utils.XMLUtils; + +import de.intevation.flys.model.Gauge; +import de.intevation.flys.model.Range; + +import de.intevation.flys.artifacts.FLYSArtifact; + + +/** + * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> + */ +public class WQAdapted extends DefaultState { + + /** The logger used in this state.*/ + private static Logger logger = Logger.getLogger(WQAdapted.class); + + + /** + * This method creates one element for each gauge of the selected river that + * is intersected by the given kilometer range. Each element is a tuple of + * (from;to) where <i>from</i> is the lower bounds of the gauge or the lower + * kilometer range. <i>to</i> is the upper bounds of the gauge or the upper + * kilometer range. + * + * @param cr The ElementCreator. + * @param artifact The FLYS artifact. + * @param name The name of the data item. + * @param context The CallContext. + * + * @return a list of elements that consist of tuples of the intersected + * gauges of the selected river. + */ + protected Element[] createItems( + XMLUtils.ElementCreator cr, + Artifact artifact, + String name, + CallContext context) + { + logger.debug("WQAdapted.createItems"); + + FLYSArtifact flysArtifact = (FLYSArtifact) artifact; + + double[] dist = flysArtifact.getDistance(); + List<Gauge> gauges = flysArtifact.getGauges(); + + int num = gauges != null ? gauges.size() : 0; + + if (num == 0) { + logger.warn("Selected distance matches no gauges."); + return null; + } + + Element[] elements = new Element[num]; + + int idx = 0; + + for (Gauge gauge: gauges) { + Range range = gauge.getRange(); + double lower = range.getA().doubleValue(); + double upper = range.getB().doubleValue(); + + double from = dist[0] < lower ? lower : dist[0]; + double to = dist[1] > upper ? upper : dist[1]; + + String key = Double.toString(from) + ";" + Double.toString(to); + + elements[idx++] = createItem(cr, new String[] {key, ""}); + } + + return elements; + } + + + protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { + Element item = ProtocolUtils.createArtNode(cr, "item", null, null); + Element label = ProtocolUtils.createArtNode(cr, "label", null, null); + Element value = ProtocolUtils.createArtNode(cr, "value", null, null); + + String[] arr = (String[]) obj; + + label.setTextContent(arr[0]); + value.setTextContent(arr[1]); + + item.appendChild(label); + item.appendChild(value); + + return item; + } + + + @Override + protected String getUIProvider() { + return "wq_panel_adapted"; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :