teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.states;
ingo@921: 
ingo@921: import org.apache.log4j.Logger;
gernotbelger@9164: import org.dive4elements.artifactdatabase.ProtocolUtils;
gernotbelger@9164: import org.dive4elements.artifactdatabase.data.StateData;
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
teichmann@5831: import org.dive4elements.artifacts.common.utils.XMLUtils;
teichmann@5867: import org.dive4elements.river.artifacts.D4EArtifact;
gernotbelger@9164: import org.dive4elements.river.artifacts.access.RiverAccess;
teichmann@5831: import org.dive4elements.river.artifacts.model.FacetTypes;
teichmann@5831: import org.dive4elements.river.artifacts.resources.Resources;
gernotbelger@9164: import org.w3c.dom.Element;
felix@2235: 
ingo@921: /**
ingo@921:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@921:  */
gernotbelger@9164: public class ComputationRangeState extends RangeState implements FacetTypes {
gernotbelger@9164:     private static Logger log = Logger.getLogger(ComputationRangeState.class);
ingo@921: 
felix@1685:     /** The default step width. */
ingo@921:     public static final int DEFAULT_STEP = 100;
ingo@921: 
ingo@921:     public ComputationRangeState() {
ingo@921:     }
ingo@921: 
ingo@921:     @Override
gernotbelger@9164:     protected Element createData(final XMLUtils.ElementCreator cr, final Artifact artifact, final StateData data, final CallContext context) {
gernotbelger@9164:         final Element select = ProtocolUtils.createArtNode(cr, "select", null, null);
ingo@921: 
ingo@921:         cr.addAttr(select, "name", data.getName(), true);
ingo@921: 
gernotbelger@9164:         final Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
ingo@921: 
gernotbelger@9175:         final String msg = getTitle(context);
gernotbelger@9175: 
gernotbelger@9175:         label.setTextContent(msg);
gernotbelger@9164:         // VORHER: data.getName(), data.getName())) (entsprach "ld_from", "ld_to" - unterschied zu jetzt: description wird
gernotbelger@9164:         // anders gesetzt ("Wahl der Berechnungsstrecke")
gernotbelger@9164:         // label bleibt "ld_from", "ld_to"; unklar, wo das gesetzt wird. unklar, warum das Element "label" die Description
gernotbelger@9164:         // beeinflusst (und scheinbar nicht das Label)
ingo@921: 
gernotbelger@9164:         final Element description = ProtocolUtils.createArtNode(cr, "description", null, null);
gernotbelger@9164:         description.setTextContent("TEST");
gernotbelger@9164:         select.appendChild(description);
ingo@921:         select.appendChild(label);
ingo@921: 
ingo@921:         return select;
ingo@921:     }
ingo@921: 
gernotbelger@9175:     // REMARK: allows to overwrite the titel which is shown on the client side.
gernotbelger@9175:     // TODO: instead of a fixed string, we should translate the 'id', but in that case we need to change all old workflows
gernotbelger@9175:     // (reason is, that we have different texts for the title and the 'old' title, which in turn is the translation of
gernotbelger@9175:     // 'description').
gernotbelger@9175: 
gernotbelger@9175:     protected String getTitle(final CallContext context) {
gernotbelger@9175:         // REMARK: that is how it should be: return Resources.getMsg(context.getMeta(), getID());
gernotbelger@9175:         return Resources.getMsg(context.getMeta(), "state.title.distance_state");
gernotbelger@9175:     }
gernotbelger@9175: 
ingo@921:     @Override
gernotbelger@9164:     protected Element[] createItems(final XMLUtils.ElementCreator cr, final Artifact artifact, final String name, final CallContext context) {
gernotbelger@9164:         final 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];
gernotbelger@9164:         } else {
teichmann@8202:             log.warn("Could not read min/max distance values!");
ingo@921:         }
ingo@921: 
ingo@921:         if (name.equals("ld_from")) {
gernotbelger@9164:             final Element min = createItem(cr, new String[] { "min", new Double(minVal).toString() });
ingo@921: 
ingo@921:             return new Element[] { min };
gernotbelger@9164:         } else if (name.equals("ld_to")) {
gernotbelger@9164:             final Element max = createItem(cr, new String[] { "max", new Double(maxVal).toString() });
ingo@921: 
ingo@921:             return new Element[] { max };
gernotbelger@9264:         } else if (name.contentEquals("ld_step")) {
gernotbelger@9164:             final Element step = createItem(cr, new String[] { "step", String.valueOf(getDefaultStep()) });
ingo@921:             return new Element[] { step };
gernotbelger@9264:         } else {
gernotbelger@9264:             return new Element[] {};
ingo@921:         }
ingo@921:     }
ingo@921: 
ingo@921:     @Override
gernotbelger@9164:     protected double[] getMinMax(final Artifact artifact) {
gernotbelger@9164:         return new RiverAccess((D4EArtifact) artifact).getRiver().determineMinMaxDistance();
ingo@921:     }
ingo@921: 
ingo@921:     protected double getDefaultStep() {
ingo@921:         return DEFAULT_STEP;
ingo@921:     }
ingo@921: }
ingo@921: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :