Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationDistanceSelect.java @ 329:0b2358bc716d
Discharge table: Added static method getWForQ() to interpolate a w value for a given q value based on a given discharge table.
flys-artifacts/trunk@1727 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 19 Apr 2011 11:05:27 +0000 |
parents | 448d0dc64357 |
children | ed3325a0232a |
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package de.intevation.flys.artifacts.states; import java.util.Map; import org.apache.log4j.Logger; import org.w3c.dom.Element; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.ProtocolUtils; import de.intevation.artifactdatabase.data.StateData; import de.intevation.flys.model.River; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.artifacts.resources.Resources; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class LocationDistanceSelect extends RangeState { /** The logger used in this class.*/ private static Logger logger = Logger.getLogger(LocationDistanceSelect.class); /** The default step width.*/ public static final String DEFAULT_STEP = "100"; /** The name of the 'from' field. */ public static final String FROM = "ld_from"; /** The name of the 'to' field. */ public static final String TO = "ld_to"; /** The name of the 'step' field. */ public static final String STEP = "ld_step"; /** * The default constructor that initializes an empty State object. */ public LocationDistanceSelect() { } protected Element createData( XMLUtils.ElementCreator cr, Artifact artifact, StateData data, CallContext context) { Element select = ProtocolUtils.createArtNode( cr, "select", null, null); cr.addAttr(select, "name", data.getName(), true); Element label = ProtocolUtils.createArtNode( cr, "label", null, null); Element choices = ProtocolUtils.createArtNode( cr, "choices", null, null); label.setTextContent(Resources.getMsg( context.getMeta(), data.getName(), data.getName())); select.appendChild(label); return select; } protected Element[] createItems( XMLUtils.ElementCreator cr, Artifact artifact, String name, CallContext context) { double[] minmax = getMinMaxDistance(artifact); double minVal = Double.MIN_VALUE; double maxVal = Double.MAX_VALUE; if (minmax != null) { minVal = minmax[0]; maxVal = minmax[1]; } else { logger.warn("Could not read min/max distance values!"); } if (name.equals("ld_from")) { Element min = createItem( cr, new String[] {"min", new Double(minVal).toString()}); return new Element[] { min }; } else if (name.equals("ld_to")) { Element max = createItem( cr, new String[] {"max", new Double(maxVal).toString()}); return new Element[] { max }; } else { Element step = createItem(cr, new String[] {"step", DEFAULT_STEP}); return new Element[] { step }; } } 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; } protected String getUIProvider() { return "location_distance_panel"; } protected double[] getMinMaxDistance(Artifact artifact) { FLYSArtifact flysArtifact = (FLYSArtifact) artifact; StateData data = flysArtifact.getData("river"); String name = (String) data.getValue(); logger.debug("Search for the min/max distances of '" + name + "'"); River river = RiverFactory.getRiver(name); return river != null ? river.determineMinMaxDistance() : null; } @Override public boolean validate(Artifact artifact, CallContext context) throws IllegalArgumentException { logger.debug("LocationDistanceSelect.validate"); Map<String, StateData> data = getData(); String fromStr = (String) data.get(FROM).getValue(); String toStr = (String) data.get(TO).getValue(); String stepStr = (String) data.get(STEP).getValue(); try { double from = Double.parseDouble(fromStr); double to = Double.parseDouble(toStr); double step = Double.parseDouble(stepStr); double[] minmaxDist = getMinMaxDistance(artifact); return validateRange(minmaxDist[0], minmaxDist[1], from, to, step); } catch (NumberFormatException nfe) { throw new IllegalArgumentException("error_feed_number_format"); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :