ingo@136: package de.intevation.flys.artifacts.states; ingo@136: ingo@322: import java.util.Map; ingo@322: ingo@136: import org.apache.log4j.Logger; ingo@136: ingo@136: import org.w3c.dom.Element; ingo@136: ingo@313: import de.intevation.artifacts.Artifact; ingo@136: import de.intevation.artifacts.CallContext; ingo@136: ingo@136: import de.intevation.artifacts.common.utils.XMLUtils; ingo@136: ingo@136: import de.intevation.artifactdatabase.ProtocolUtils; ingo@136: import de.intevation.artifactdatabase.data.StateData; ingo@136: ingo@313: import de.intevation.flys.model.River; ingo@313: ingo@313: import de.intevation.flys.artifacts.FLYSArtifact; ingo@313: import de.intevation.flys.artifacts.model.RiverFactory; ingo@136: import de.intevation.flys.artifacts.resources.Resources; ingo@136: ingo@136: /** ingo@136: * @author Ingo Weinzierl ingo@136: */ ingo@322: public class LocationDistanceSelect extends RangeState { ingo@136: ingo@136: /** The logger used in this class.*/ ingo@136: private static Logger logger = Logger.getLogger(LocationDistanceSelect.class); ingo@136: ingo@136: ingo@136: /** The default step width.*/ ingo@136: public static final String DEFAULT_STEP = "100"; ingo@136: ingo@322: /** The name of the 'from' field. */ ingo@322: public static final String FROM = "ld_from"; ingo@322: ingo@322: /** The name of the 'to' field. */ ingo@322: public static final String TO = "ld_to"; ingo@322: ingo@322: /** The name of the 'step' field. */ ingo@322: public static final String STEP = "ld_step"; ingo@322: ingo@136: /** ingo@136: * The default constructor that initializes an empty State object. ingo@136: */ ingo@136: public LocationDistanceSelect() { ingo@136: } ingo@136: ingo@136: protected Element createData( ingo@136: XMLUtils.ElementCreator cr, ingo@313: Artifact artifact, ingo@136: StateData data, ingo@136: CallContext context) ingo@136: { ingo@136: Element select = ProtocolUtils.createArtNode( ingo@136: cr, "select", null, null); ingo@136: ingo@136: cr.addAttr(select, "name", data.getName(), true); ingo@136: ingo@136: Element label = ProtocolUtils.createArtNode( ingo@136: cr, "label", null, null); ingo@136: ingo@136: Element choices = ProtocolUtils.createArtNode( ingo@136: cr, "choices", null, null); ingo@136: ingo@136: label.setTextContent(Resources.getMsg( ingo@136: context.getMeta(), ingo@136: data.getName(), ingo@136: data.getName())); ingo@136: ingo@136: select.appendChild(label); ingo@136: ingo@136: return select; ingo@136: } ingo@136: ingo@136: ingo@136: protected Element[] createItems( ingo@136: XMLUtils.ElementCreator cr, ingo@313: Artifact artifact, ingo@136: String name, ingo@136: CallContext context) ingo@136: { ingo@313: double[] minmax = getMinMaxDistance(artifact); ingo@313: ingo@313: double minVal = Double.MIN_VALUE; ingo@313: double maxVal = Double.MAX_VALUE; ingo@313: ingo@313: if (minmax != null) { ingo@313: minVal = minmax[0]; ingo@313: maxVal = minmax[1]; ingo@313: } ingo@313: else { ingo@313: logger.warn("Could not read min/max distance values!"); ingo@313: } ingo@136: ingo@136: if (name.equals("ld_from")) { ingo@313: Element min = createItem( ingo@313: cr, ingo@313: new String[] {"min", new Double(minVal).toString()}); ingo@313: ingo@136: return new Element[] { min }; ingo@136: } ingo@136: else if (name.equals("ld_to")) { ingo@313: Element max = createItem( ingo@313: cr, ingo@313: new String[] {"max", new Double(maxVal).toString()}); ingo@313: ingo@136: return new Element[] { max }; ingo@136: } ingo@136: else { ingo@136: Element step = createItem(cr, new String[] {"step", DEFAULT_STEP}); ingo@136: return new Element[] { step }; ingo@136: } ingo@136: ingo@136: } ingo@136: ingo@136: ingo@136: protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { ingo@136: Element item = ProtocolUtils.createArtNode(cr, "item", null, null); ingo@136: Element label = ProtocolUtils.createArtNode(cr, "label", null, null); ingo@136: Element value = ProtocolUtils.createArtNode(cr, "value", null, null); ingo@136: ingo@136: String[] arr = (String[]) obj; ingo@136: ingo@136: label.setTextContent(arr[0]); ingo@136: value.setTextContent(arr[1]); ingo@136: ingo@136: item.appendChild(label); ingo@136: item.appendChild(value); ingo@136: ingo@136: return item; ingo@136: } ingo@136: ingo@136: ingo@136: protected String getUIProvider() { ingo@136: return "location_distance_panel"; ingo@136: } ingo@313: ingo@313: ingo@313: protected double[] getMinMaxDistance(Artifact artifact) { ingo@313: FLYSArtifact flysArtifact = (FLYSArtifact) artifact; ingo@313: StateData data = flysArtifact.getData("river"); ingo@313: ingo@313: String name = (String) data.getValue(); ingo@313: ingo@313: logger.debug("Search for the min/max distances of '" + name + "'"); ingo@313: ingo@313: River river = RiverFactory.getRiver(name); ingo@313: ingo@313: return river != null ? river.determineMinMaxDistance() : null; ingo@313: } ingo@322: ingo@322: ingo@322: @Override ingo@322: public boolean validate(Artifact artifact, CallContext context) ingo@322: throws IllegalArgumentException ingo@322: { ingo@322: logger.debug("LocationDistanceSelect.validate"); ingo@322: ingo@322: Map data = getData(); ingo@322: ingo@322: String fromStr = (String) data.get(FROM).getValue(); ingo@322: String toStr = (String) data.get(TO).getValue(); ingo@322: String stepStr = (String) data.get(STEP).getValue(); ingo@322: ingo@352: if (fromStr == null || toStr == null || stepStr == null) { ingo@352: throw new IllegalArgumentException("error_empty_state"); ingo@352: } ingo@352: ingo@322: try { ingo@322: double from = Double.parseDouble(fromStr); ingo@322: double to = Double.parseDouble(toStr); ingo@322: double step = Double.parseDouble(stepStr); ingo@322: ingo@322: double[] minmaxDist = getMinMaxDistance(artifact); ingo@322: ingo@379: return validateBounds(minmaxDist[0], minmaxDist[1], from, to, step); ingo@322: } ingo@322: catch (NumberFormatException nfe) { ingo@322: throw new IllegalArgumentException("error_feed_number_format"); ingo@322: } ingo@322: } ingo@136: } ingo@136: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :