felix@2001: package de.intevation.flys.artifacts.model;
felix@2001: 
felix@2001: import java.util.List;
felix@2001: 
felix@2001: import org.apache.log4j.Logger;
felix@2001: 
felix@2001: import de.intevation.artifacts.Artifact;
felix@2001: import de.intevation.artifacts.CallContext;
felix@2001: 
felix@2001: import de.intevation.artifactdatabase.state.DefaultFacet;
felix@2001: import de.intevation.artifactdatabase.state.Facet;
felix@2001: 
felix@2001: import de.intevation.artifacts.DataProvider;
felix@2001: 
felix@2001: import de.intevation.flys.artifacts.AreaArtifact;
felix@2001: 
felix@2001: 
felix@2001: /**
felix@2001:  * Trival Facet for areas.
felix@2018:  * Note that this Facet comes in two "types" (names):
felix@2018:  *  <ul>
felix@2018:  *    <li>CROSS_SECTION_AREA (cross_section.area) and</li>
felix@2018:  *    <li>LONGITUDINAL_SECTION_AREA (longitudinal.area</li>
felix@2018:  *  </ul>
felix@2018:  * This is to support different diagram types without being painted in both
felix@2018:  * at the same time. The name has to be given when constructing.
felix@2001:  */
felix@2001: public class AreaFacet
felix@2001: extends      DefaultFacet
felix@2001: implements   FacetTypes {
felix@2001: 
felix@2001:     private static Logger logger = Logger.getLogger(AreaFacet.class);
felix@2001: 
felix@2018:     /**
felix@2018:      * Constructor, set (maybe localized) description and name.
felix@2018:      * @param idx Index given when querying artifact for data.
felix@2018:      * @param name important to discern areas in different diagram types.
felix@2018:      */
felix@2018:     public AreaFacet(int idx, String name, String description) {
felix@2018:         super(idx, name, description);
felix@2001:     }
felix@2001: 
felix@2001: 
felix@2001:     /**
felix@2001:      * Gets Cross Section (profile).
felix@2001:      * @param art artifact to get data from.
felix@2001:      * @param context ignored
felix@2001:      */
felix@2001:     public Object getData(Artifact art, CallContext context) {
felix@2010:         logger.debug("Get data for area.");
felix@2001: 
felix@2001:         // Get information from artifact about which
felix@2001:         // info to grab from blackboard.
felix@2001:         //
felix@2001:         // All compatible facets should provide their data
felix@2001:         // under the key (Artifact-UUID + Facet-Index).
felix@2001:         AreaArtifact artifact = (AreaArtifact) art;
felix@2001:         Object lowerData      = null;
felix@2001:         Object upperData      = null;
felix@2104:         String stemFacetName  = null;
felix@2001: 
felix@2001:         List<DataProvider> providers = context.
felix@2001:             getDataProvider(artifact.getLowerDPKey());
felix@2001:         if (providers.size() < 1) {
felix@2018:             logger.warn("No 'lower' provider given for area [" + 
felix@2018:                 artifact.getLowerDPKey() + "]");
felix@2001:         }
felix@2001:         else {
felix@2001:             lowerData = providers.get(0).provideData(
felix@2001:                 artifact.getLowerDPKey(), null, context);
felix@2104:             logger.debug("'Lower' data provider key for area [" + 
felix@2104:                 artifact.getLowerDPKey() + "]");
felix@2104:             stemFacetName = artifact.getLowerDPKey().split(":")[1];
felix@2001:         }
felix@2001: 
felix@2001:         providers = context.getDataProvider(artifact.getUpperDPKey());
felix@2001:         if (providers.size() < 1) {
felix@2018:             logger.warn("No 'upper' provider given for area [" +
felix@2018:                 artifact.getUpperDPKey() + "]");
felix@2001:         }
felix@2001:         else {
felix@2001:             upperData = providers.get(0).provideData(
felix@2001:                 artifact.getUpperDPKey(), null, context);
felix@2104:             logger.debug("'Upper' data provider key for area [" +
felix@2104:                 artifact.getUpperDPKey() + "]");
felix@2104:             if (stemFacetName == null) {
felix@2104:                 stemFacetName = artifact.getUpperDPKey().split(":")[1];
felix@2104:             }
felix@2001:         }
felix@2001: 
felix@2001:         if (upperData == null && lowerData == null) {
felix@2010:             logger.warn("Not given 'upper' and 'lower' for area");
felix@2001:         }
felix@2001: 
felix@2104:         return new Data(stemFacetName, lowerData, upperData,
felix@2104:             Boolean.valueOf(artifact.getPaintBetween()));
felix@2001:     }
felix@2001: 
felix@2001: 
felix@2001:     /** Do a deep copy. */
felix@2001:     @Override 
felix@2001:     public Facet deepCopy() {
felix@2018:         AreaFacet copy = new AreaFacet(this.index, this.name, this.description);
felix@2001:         copy.set(this);
felix@2001:         return copy;
felix@2001:     }
felix@2104: 
felix@2104:     /** Result data bundle. */
felix@2104:     public class Data {
felix@2104:         protected String  rootFacetName;
felix@2104:         protected Object  upperData;
felix@2104:         protected Object  lowerData;
felix@2104:         protected boolean doPaintBetween;
felix@2104: 
felix@2104:         /** Create a new result data bundle. */
felix@2104:         public Data(String rootName, Object low, Object up, boolean between) {
felix@2104:             this.rootFacetName  = rootName;
felix@2104:             this.lowerData      = low;
felix@2104:             this.upperData      = up;
felix@2104:             this.doPaintBetween = between;
felix@2104:         }
felix@2104: 
felix@2104:         /** Get name of a facet that is involved in area generation
felix@2104:          * to induce type (e.g. longitudinal_section.w -> "W over km"). */
felix@2104:         public String getRootFacetName() {
felix@2104:             return this.rootFacetName;
felix@2104:         }
felix@2104: 
felix@2104:         /** Get data for 'upper' curve of area. */
felix@2104:         public Object getUpperData() {
felix@2104:             return this.upperData;
felix@2104:         }
felix@2104: 
felix@2104:         /** Get data for 'lower' curve of area. */
felix@2104:         public Object getLowerData() {
felix@2104:             return this.lowerData;
felix@2104:         }
felix@2104: 
felix@2104:         /** Whether to fill whole area between (in contrast to 'under'
felix@2104:          *  or 'over'). */
felix@2104:         public boolean doPaintBetween() {
felix@2104:             return this.doPaintBetween;
felix@2104:         }
felix@2104:     }
felix@2001: }
felix@2001: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :