ingo@921: package de.intevation.flys.artifacts.states;
ingo@921: 
ingo@921: import org.apache.log4j.Logger;
ingo@921: 
ingo@921: import org.w3c.dom.Element;
ingo@921: 
ingo@921: import de.intevation.artifacts.Artifact;
ingo@921: import de.intevation.artifacts.CallContext;
ingo@921: 
ingo@921: import de.intevation.artifacts.common.utils.XMLUtils;
ingo@921: 
ingo@921: import de.intevation.artifactdatabase.ProtocolUtils;
ingo@921: import de.intevation.artifactdatabase.data.StateData;
ingo@921: 
ingo@921: import de.intevation.flys.artifacts.FLYSArtifact;
raimund@2132: 
ingo@921: import de.intevation.flys.artifacts.model.FacetTypes;
ingo@921: import de.intevation.flys.artifacts.resources.Resources;
ingo@921: 
felix@2235: import de.intevation.flys.utils.FLYSUtils;
felix@2235: 
felix@2235: 
ingo@921: /**
ingo@921:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@921:  */
ingo@921: public class ComputationRangeState
ingo@921: extends    RangeState
ingo@921: implements FacetTypes
ingo@921: {
ingo@921:     private static Logger logger =
ingo@921:         Logger.getLogger(ComputationRangeState.class);
ingo@921: 
ingo@921:     /** The name of the 'from' field. */
ingo@921:     public static final String FROM = "ld_from";
ingo@921: 
ingo@921:     /** The name of the 'to' field. */
ingo@921:     public static final String TO = "ld_to";
ingo@921: 
ingo@921:     /** The name of the 'step' field. */
ingo@921:     public static final String STEP = "ld_step";
ingo@921: 
felix@1685:     /** The default step width. */
ingo@921:     public static final int DEFAULT_STEP = 100;
ingo@921: 
ingo@921: 
ingo@921:     public ComputationRangeState() {
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected Element createData(
ingo@921:         XMLUtils.ElementCreator cr,
ingo@921:         Artifact    artifact,
ingo@921:         StateData   data,
ingo@921:         CallContext context)
ingo@921:     {
ingo@921:         Element select = ProtocolUtils.createArtNode(
ingo@921:             cr, "select", null, null);
ingo@921: 
ingo@921:         cr.addAttr(select, "name", data.getName(), true);
ingo@921: 
ingo@921:         Element label = ProtocolUtils.createArtNode(
ingo@921:             cr, "label", null, null);
ingo@921: 
ingo@921:         Element choices = ProtocolUtils.createArtNode(
ingo@921:             cr, "choices", null, null);
ingo@921: 
ingo@921:         label.setTextContent(Resources.getMsg(
ingo@921:             context.getMeta(),
ingo@921:             data.getName(),
ingo@921:             data.getName()));
ingo@921: 
ingo@921:         select.appendChild(label);
ingo@921: 
ingo@921:         return select;
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected Element[] createItems(
ingo@921:         XMLUtils.ElementCreator cr,
ingo@921:         Artifact    artifact,
ingo@921:         String      name,
ingo@921:         CallContext context)
ingo@921:     {
ingo@921:         double[] minmax = getMinMax(artifact);
ingo@921: 
ingo@921:         double minVal = Double.MIN_VALUE;
ingo@921:         double maxVal = Double.MAX_VALUE;
ingo@921: 
ingo@921:         if (minmax != null) {
ingo@921:             minVal = minmax[0];
ingo@921:             maxVal = minmax[1];
ingo@921:         }
ingo@921:         else {
ingo@921:             logger.warn("Could not read min/max distance values!");
ingo@921:         }
ingo@921: 
ingo@921:         if (name.equals("ld_from")) {
ingo@921:             Element min = createItem(
ingo@921:                 cr,
ingo@921:                 new String[] {"min", new Double(minVal).toString()});
ingo@921: 
ingo@921:             return new Element[] { min };
ingo@921:         }
ingo@921:         else if (name.equals("ld_to")) {
ingo@921:             Element max = createItem(
ingo@921:                 cr,
ingo@921:                 new String[] {"max", new Double(maxVal).toString()});
ingo@921: 
ingo@921:             return new Element[] { max };
ingo@921:         }
ingo@921:         else {
ingo@921:             Element step = createItem(
ingo@921:                 cr,
ingo@921:                 new String[] {"step", String.valueOf(getDefaultStep())});
ingo@921:             return new Element[] { step };
ingo@921:         }
ingo@921: 
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
ingo@921:         Element item  = ProtocolUtils.createArtNode(cr, "item", null, null);
ingo@921:         Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
ingo@921:         Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
ingo@921: 
ingo@921:         String[] arr = (String[]) obj;
ingo@921: 
ingo@921:         label.setTextContent(arr[0]);
ingo@921:         value.setTextContent(arr[1]);
ingo@921: 
ingo@921:         item.appendChild(label);
ingo@921:         item.appendChild(value);
ingo@921: 
ingo@921:         return item;
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected double[] getMinMax(Artifact artifact) {
ingo@921:         FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
felix@2235:         return FLYSUtils.getRiverMinMax(flysArtifact);
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     protected double getDefaultStep() {
ingo@921:         return DEFAULT_STEP;
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected String getLowerField() {
ingo@921:         return FROM;
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected String getUpperField() {
ingo@921:         return TO;
ingo@921:     }
ingo@921: 
ingo@921: 
ingo@921:     @Override
ingo@921:     protected String getStepField() {
ingo@921:         return STEP;
ingo@921:     }
ingo@921: }
ingo@921: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :