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package eu.etaxonomy.taxeditor.editor.view.derivate.searchFilter;
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import java.util.ArrayList;
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import java.util.LinkedHashSet;
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import java.util.List;
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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.TreeNode;
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import org.eclipse.jface.viewers.Viewer;
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import eu.etaxonomy.cdm.model.molecular.DnaSample;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.cdm.model.molecular.SingleRead;
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import eu.etaxonomy.cdm.model.occurrence.DerivationEvent;
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import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
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public class DerivateContentProvider implements ITreeContentProvider {
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List<TreeNode> rootNodes;
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@Override
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public void dispose() {
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// TODO Auto-generated method stub
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}
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public List<SpecimenOrObservationBase> getRootElements() {
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List<SpecimenOrObservationBase> elements = new ArrayList<SpecimenOrObservationBase>();
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if(rootNodes != null) {
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for(TreeNode node : rootNodes) {
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elements.add((SpecimenOrObservationBase)node.getValue());
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}
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}
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return elements;
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}
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@Override
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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}
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@Override
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public Object[] getElements(Object inputElement) {
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rootNodes = new ArrayList<TreeNode>();
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if(inputElement instanceof Set){
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for (Object o: (Set)inputElement) {
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if(o instanceof SpecimenOrObservationBase){
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SpecimenOrObservationBase<?> rootElement = (SpecimenOrObservationBase<?>)o;
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if(rootElement!=null){
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rootNodes.add(new TreeNode(rootElement));
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}
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}
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}
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}
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return rootNodes.toArray();
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}
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@Override
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public Object[] getChildren(Object element) {
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TreeNode currentnode = null;
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Object value = null;
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if(element instanceof TreeNode){
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currentnode = (TreeNode) element;
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value = ((TreeNode) element).getValue();
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}
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Set<Object> children = new LinkedHashSet<Object>();
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if(value instanceof DnaSample && ((DnaSample) value).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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DnaSample dnaSample = (DnaSample)value;
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Set<Sequence> sequences = dnaSample.getSequences();
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for (Sequence sequence : sequences) {
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TreeNode node = new TreeNode(sequence);
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node.setParent(currentnode);
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children.add(node);
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}
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}
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else if(value instanceof Sequence){
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Set<SingleRead> singleReads = ((Sequence) value).getSingleReads();
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for(SingleRead singleRead:singleReads){
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TreeNode node = new TreeNode(singleRead);
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node.setParent(currentnode);
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children.add(node);
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}
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return children.toArray();
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}
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if(value instanceof SpecimenOrObservationBase){
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List<DerivedUnit> derivates = getDerivates((SpecimenOrObservationBase<?>) value);
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for (DerivedUnit derivedUnit:derivates) {
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TreeNode node = new TreeNode(derivedUnit);
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node.setParent(currentnode);
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children.add(node);
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}
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return children.toArray();
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}
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return null;
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}
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@Override
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public Object getParent(Object element) {
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if(element instanceof TreeNode){
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return ((TreeNode) element).getParent();
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}
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return null;
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}
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@Override
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public boolean hasChildren(Object element) {
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if(element instanceof TreeNode){
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element = ((TreeNode) element).getValue();
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}
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if(element instanceof DnaSample && ((DnaSample) element).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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DnaSample dnaSample = (DnaSample)element;
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if(!dnaSample.getSequences().isEmpty()){// || !dnaSample.getAmplifications().isEmpty()){
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return true;
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}
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}
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else if(element instanceof Sequence){
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return !((Sequence)element).getSingleReads().isEmpty();
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}
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if(element instanceof SpecimenOrObservationBase){
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SpecimenOrObservationBase<?> specimenOrObservation = (SpecimenOrObservationBase<?>)element;
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for(DerivationEvent event:specimenOrObservation.getDerivationEvents()){
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if(!event.getDerivatives().isEmpty()){
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return true;
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}
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}
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}
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return false;
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}
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private List<DerivedUnit> getDerivates(SpecimenOrObservationBase<?> specimenOrObservation){
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List<DerivedUnit> derivates = new ArrayList<DerivedUnit>();
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for(DerivationEvent derivationEvent:specimenOrObservation.getDerivationEvents()){
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derivates.addAll(derivationEvent.getDerivatives());
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}
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return derivates;
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}
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}
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