Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/AreaFacet.java @ 2021:1ae17b100973

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Let StableDifferenceRenderer create a rectangular legenditem. flys-artifacts/trunk@3476 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 20 Dec 2011 06:50:06 +0000
parents 3f1a63da2cf4
children 3c3693e9c538
rev   line source
2001
28a5c163f9cd Added partial area-infrastructure.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import de.intevation.artifacts.Artifact;
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9 import de.intevation.artifacts.CallContext;
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10
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11 import de.intevation.artifactdatabase.state.DefaultFacet;
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12 import de.intevation.artifactdatabase.state.Facet;
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13
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14 import de.intevation.artifacts.DataProvider;
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15
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16 import de.intevation.flys.artifacts.AreaArtifact;
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17
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18 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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19 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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20
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21
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22 /**
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23 * Trival Facet for areas.
2018
3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
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24 * Note that this Facet comes in two "types" (names):
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25 * <ul>
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26 * <li>CROSS_SECTION_AREA (cross_section.area) and</li>
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27 * <li>LONGITUDINAL_SECTION_AREA (longitudinal.area</li>
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28 * </ul>
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29 * This is to support different diagram types without being painted in both
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30 * at the same time. The name has to be given when constructing.
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31 */
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32 public class AreaFacet
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33 extends DefaultFacet
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34 implements FacetTypes {
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35
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36 private static Logger logger = Logger.getLogger(AreaFacet.class);
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37
2018
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38 /**
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39 * Constructor, set (maybe localized) description and name.
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40 * @param idx Index given when querying artifact for data.
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41 * @param name important to discern areas in different diagram types.
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42 */
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43 public AreaFacet(int idx, String name, String description) {
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44 super(idx, name, description);
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45 }
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46
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47
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48 /**
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49 * Gets Cross Section (profile).
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50 * @param art artifact to get data from.
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51 * @param context ignored
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52 */
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53 public Object getData(Artifact art, CallContext context) {
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7f99845e9499 Store and access area.name data item.
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54 logger.debug("Get data for area.");
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55
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56 // Get information from artifact about which
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57 // info to grab from blackboard.
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58 //
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59 // All compatible facets should provide their data
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60 // under the key (Artifact-UUID + Facet-Index).
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61 AreaArtifact artifact = (AreaArtifact) art;
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62 Object lowerData = null;
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63 Object upperData = null;
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64
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65 List<DataProvider> providers = context.
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66 getDataProvider(artifact.getLowerDPKey());
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67 if (providers.size() < 1) {
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68 logger.warn("No 'lower' provider given for area [" +
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69 artifact.getLowerDPKey() + "]");
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70 }
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71 else {
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72 lowerData = providers.get(0).provideData(
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73 artifact.getLowerDPKey(), null, context);
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74 }
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75
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76 providers = context.getDataProvider(artifact.getUpperDPKey());
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77 if (providers.size() < 1) {
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parents: 2010
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78 logger.warn("No 'upper' provider given for area [" +
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79 artifact.getUpperDPKey() + "]");
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80 }
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81 else {
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82 upperData = providers.get(0).provideData(
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83 artifact.getUpperDPKey(), null, context);
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84 }
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85
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86 if (upperData == null && lowerData == null) {
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7f99845e9499 Store and access area.name data item.
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87 logger.warn("Not given 'upper' and 'lower' for area");
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88 }
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89
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90 return new Object[] {lowerData, upperData};
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91 }
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92
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93
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94 /** Do a deep copy. */
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95 @Override
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96 public Facet deepCopy() {
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3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
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parents: 2010
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97 AreaFacet copy = new AreaFacet(this.index, this.name, this.description);
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98 copy.set(this);
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99 return copy;
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100 }
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101 }
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102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org