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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 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.IDescribable;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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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.FeatureNodeContainerTree;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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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 {
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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<DescriptionBase<?>, 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(IDescribable<?> parentElement) {
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	    List<DescriptionBase<?>> descriptions = new ArrayList<DescriptionBase<?>>();
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	    if(parentElement instanceof Taxon){
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	        Taxon taxon = (Taxon) parentElement;
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	        this.markerTypes.addAll(CdmStore.getTermManager().getPreferredTerms(MarkerType.class));
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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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	    }
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		return descriptions;
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	}
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}
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