eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/uses/UsesContentProvider.java

   1 package eu.etaxonomy.taxeditor.editor.view.uses;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashSet;
   5 import java.util.List;
   6 import java.util.Map;
   7 import java.util.Set;
   8 import java.util.UUID;
   9
  10 import org.eclipse.jface.viewers.ITreeContentProvider;
  11 import org.eclipse.jface.viewers.Viewer;
  12
  13 import eu.etaxonomy.cdm.api.service.IDescriptionService;
  14 import eu.etaxonomy.cdm.model.common.Marker;
  15 import eu.etaxonomy.cdm.model.common.MarkerType;
  16 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  17 import eu.etaxonomy.cdm.model.description.FeatureTree;
  18 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  19 import eu.etaxonomy.cdm.model.taxon.Taxon;
  20 import eu.etaxonomy.cdm.persistence.dao.common.IDefinedTermDao;
  21 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  22 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  23 import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
  24 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  25 import eu.etaxonomy.taxeditor.store.CdmStore;
  26 import eu.etaxonomy.taxeditor.store.TermStore;
  27
  28 public class UsesContentProvider implements ITreeContentProvider {
  29
  30         private static final Object[] NO_CHILDREN = new Object[0];
  31         private Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache;
  32         Set<MarkerType> markerTypes = new HashSet<MarkerType>();
  33
  34         /**
  35          * <p>Constructor for DescriptiveContentProvider.</p>
  36          *
  37          * @param featureNodeContainerCache a {@link java.util.Map} object.
  38          */
  39         public UsesContentProvider(Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache) {
  40                 //MarkerType markerType = (MarkerType)this.definedTermDao.findByUuid(UUID.fromString("b4b1b2ab-89a8-4ce6-8110-d60b8b1bc433")); //Marker "complete"
  41                 //this.markerTypes.addAll(CdmStore.getTermManager().getPreferredMarkerTypes());
  42                 this.featureNodeContainerCache = featureNodeContainerCache;
  43         }
  44
  45
  46
  47         /* (non-Javadoc)
  48          * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  49          */
  50         /** {@inheritDoc} */
  51         public Object[] getChildren(Object parentElement) {
  52                 if (parentElement instanceof TaxonEditorInput) {
  53                         return getDescriptions((TaxonEditorInput) parentElement).toArray();
  54                 }
  55                 else if (parentElement instanceof TaxonDescription) {
  56                         if ( ! ((TaxonDescription) parentElement).isImageGallery()) {
  57                                 TaxonDescription description = (TaxonDescription) parentElement;
  58
  59                                 FeatureNodeContainerTree containerTree = getContainerTreeForDesription(description);
  60
  61                                 return containerTree.getRoot().getChildren().toArray();
  62                         }
  63                 }
  64                 else if (parentElement instanceof FeatureNodeContainer){
  65                         FeatureNodeContainer container = (FeatureNodeContainer) parentElement;
  66                         if(container.isLeaf()){
  67                                 return container.getDescriptionElements().toArray();
  68                         }else{
  69                                 return container.getChildren().toArray();
  70                         }
  71                 }
  72
  73                 return NO_CHILDREN;
  74         }
  75
  76         private FeatureNodeContainerTree getContainerTreeForDesription(TaxonDescription description){
  77                 if(! featureNodeContainerCache.containsKey(description)){
  78                         FeatureNodeContainerTree containerTree = new FeatureNodeContainerTree(description, getFeatureTree(description));
  79                         featureNodeContainerCache.put(description, containerTree);
  80                 }
  81                 return featureNodeContainerCache.get(description);
  82         }
  83
  84         /** {@inheritDoc} */
  85         @Override
  86         public boolean hasChildren(Object element) {
  87                 if (element instanceof TaxonDescription){
  88                         TaxonDescription description = (TaxonDescription) element;
  89                         FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description);
  90                         if(containerTree != null && containerTree.getRoot() != null){
  91                                 return containerTree.getRoot().getChildren().size() != 0;
  92                         }
  93                 }
  94                 return getChildren(element).length != 0;
  95         }
  96
  97         /**
  98          * Retrieves the feature tree associated with the given description
  99          *
 100          * TODO as of now this is always the same thing because feature trees may not be associated
 101          * to descriptions yet.
 102          *
 103          * @param description
 104          * @return
 105          */
 106         private FeatureTree getFeatureTree(DescriptionBase description){
 107                 FeatureTree featureTree = null;
 108
 109                 // TODO change this to the feature tree associated with this taxon description
 110                 if (description.hasStructuredData()){
 111                         featureTree = PreferencesUtil.getDefaultFeatureTreeForStructuredDescription();
 112                 }else{
 113                         featureTree = PreferencesUtil.getDefaultFeatureTreeForTextualDescription();
 114                 }
 115
 116                 // create a transient tree with all features if none was selected
 117                 if(featureTree == null){
 118                         featureTree = FeatureTree.NewInstance(TermStore.getFeatures());
 119                 }
 120
 121                 return featureTree;
 122         }
 123
 124         /**
 125          * Get all descriptions associated with the given TaxonEditorInput
 126          *
 127          * @param parentElement
 128          * @return
 129          */
 130         //CdmStore.getService(IDescriptionService.class).listTaxonDescriptions(input.getTaxonNode().getTaxon(), null, null, null, null, null, null)
 131         private List<DescriptionBase> getDescriptions(TaxonEditorInput parentElement) {
 132                 this.markerTypes.addAll(CdmStore.getTermManager().getPreferredMarkerTypes());
 133                 Taxon taxon = parentElement.getTaxon();
 134                 Set<MarkerType> typesToDisdplay = new HashSet<MarkerType>();
 135                 List<DescriptionBase> descriptions = new ArrayList<DescriptionBase>();
 136                 List<TaxonDescription> usesDescriptions = new ArrayList<TaxonDescription>();
 137
 138                 /*for (MarkerType markerType : markerTypes) {
 139                         if (markerType.toString().equals("complete")) {
 140                                 typesToDisdplay.add(markerType);
 141                         }
 142                 }*/
 143                 //usesDescriptions = CdmStore.getService(IDescriptionService.class).listTaxonDescriptions(taxon, null, null, typesToDisdplay, null, null, null);
 144                 //for(DescriptionBase description : CdmStore.getService(IDescriptionService.class).listTaxonDescriptions(taxon, null, null, typesToDisdplay, null, null, null)){
 145                 for(DescriptionBase description : taxon.getDescriptions()){
 146                         if(! description.isImageGallery()){
 147                                 Set<Marker> descriptionMarkers = description.getMarkers();
 148                                 if(descriptionMarkers != null) {
 149                                         for (Marker marker: descriptionMarkers) {
 150                                                 if(marker.getMarkerType().getTitleCache().equals("use")) {
 151                                                         descriptions.add(description);
 152                                                 }
 153                                         }
 154                                 }
 155                         }
 156                 }
 157                 return descriptions;
 158         }
 159
 160         /* (non-Javadoc)
 161          * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
 162          */
 163         /** {@inheritDoc} */
 164         public Object getParent(Object element) {
 165                 return null;
 166         }
 167
 168         /* (non-Javadoc)
 169          * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
 170          */
 171         /** {@inheritDoc} */
 172         public Object[] getElements(Object inputElement) {
 173                 return getChildren(inputElement);
 174         }
 175
 176         /* (non-Javadoc)
 177          * @see org.eclipse.jface.viewers.IContentProvider#dispose()
 178          */
 179         /**
 180          * <p>dispose</p>
 181          */
 182         public void dispose() {
 183                 featureNodeContainerCache.clear();
 184         }
 185
 186         /* (non-Javadoc)
 187          * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
 188          */
 189         /** {@inheritDoc} */
 190         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
 191
 192 }