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/**
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 * Copyright (C) 2011 EDIT
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 * European Distributed Institute of Taxonomy 
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 * http://www.e-taxonomy.eu
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 * 
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 * The contents of this file are subject to the Mozilla Public License Version 1.1
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 * See LICENSE.TXT at the top of this package for the full license terms.
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 */
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package eu.etaxonomy.taxeditor.editor.view.uses;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.eclipse.jface.viewers.ITreeContentProvider;
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import org.eclipse.jface.viewers.Viewer;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.model.common.Marker;
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import eu.etaxonomy.cdm.model.common.MarkerType;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.cdm.model.description.TaxonDescription;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
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import eu.etaxonomy.taxeditor.editor.UsageTermCollection;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveContentProvider;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.TermStore;
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/**
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 * The class provides the required content to the Uses View
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 * @author a.theys	
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 * @created mar 13, 2012
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 * @version 1.0
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 */
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public class UsesContentProvider extends DescriptiveContentProvider implements ITreeContentProvider {
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	Set<MarkerType> markerTypes = new HashSet<MarkerType>();
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	/**
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	 * <p>Constructor for DescriptiveContentProvider.</p>
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	 *
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	 * @param featureNodeContainerCache a {@link java.util.Map} object.
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	 */
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	public UsesContentProvider(Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache) {
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		super(featureNodeContainerCache);
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		this.featureNodeContainerCache = featureNodeContainerCache;
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	}
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	/**
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	 * Get all descriptions associated with the given TaxonEditorInput
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	 * 
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	 * @param parentElement
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	 * @return
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	 */
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	@Override
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	protected List<DescriptionBase> getDescriptions(TaxonEditorInput parentElement) {
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		this.markerTypes.addAll(CdmStore.getTermManager().getPreferredTerms(MarkerType.class));
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		Taxon taxon = parentElement.getTaxon();
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		List<DescriptionBase> descriptions = new ArrayList<DescriptionBase>();
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		for(DescriptionBase description : taxon.getDescriptions()){
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			if(! description.isImageGallery()){
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				MarkerType useMarkertype = (MarkerType) CdmStore.getService(ITermService.class).find(UsageTermCollection.uuidUseMarkerType);
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				Set<Marker> descriptionMarkers = description.getMarkers();
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				if(descriptionMarkers != null) {
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					for (Marker marker: descriptionMarkers) {
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						if(marker.getMarkerType().equals(useMarkertype)) {
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							descriptions.add(description);
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						}
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					}
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				}
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			}
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		}			
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		return descriptions;
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	}
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}
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