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/**
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*
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*/
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package eu.etaxonomy.taxeditor.editor.key.polytomous;
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import java.util.ArrayList;
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import java.util.List;
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import org.eclipse.jface.viewers.IBaseLabelProvider;
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import org.eclipse.jface.viewers.IContentProvider;
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import org.eclipse.jface.viewers.LabelProvider;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.zest.core.viewers.IGraphContentProvider;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
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import eu.etaxonomy.taxeditor.editor.key.AbstractKeyEditor;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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* @author n.hoffmann
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*
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*/
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public class PolytomousKeyEditor extends AbstractKeyEditor<PolytomousKey> {
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private class PolytomousKeyRelationship {
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private Object destination;
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private Object source;
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PolytomousKeyRelationship(Object source, Object destination){
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this.source = HibernateProxyHelper.deproxy(source);
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this.destination = HibernateProxyHelper.deproxy(destination);
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}
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}
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private class ContentProvider implements IGraphContentProvider{
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private List<PolytomousKeyRelationship> relations;
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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 void dispose() {
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}
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@Override
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public Object[] getElements(Object inputElement) {
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relations = new ArrayList<PolytomousKeyRelationship>();
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if(inputElement instanceof PolytomousKey){
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getTreeRecursively(relations, inputElement);
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}
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return relations.toArray();
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}
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private void getTreeRecursively(List<PolytomousKeyRelationship> relations, Object parent){
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List<PolytomousKeyNode> children;
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if(parent instanceof PolytomousKeyNode){
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children = ((PolytomousKeyNode) parent).getChildren();
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}else if(parent instanceof PolytomousKey){
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children = ((PolytomousKey) parent).getRoot().getChildren();
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}else{
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throw new RuntimeException("Parent element has to be PolytomousKeyNode or PolytomousKey, but was: " + parent.getClass());
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}
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for(PolytomousKeyNode childNode : children){
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relations.add(new PolytomousKeyRelationship(parent, childNode));
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getTreeRecursively(relations, childNode);
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}
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}
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@Override
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public Object getSource(Object rel) {
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return ((PolytomousKeyRelationship) rel).source;
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}
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@Override
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public Object getDestination(Object rel) {
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return ((PolytomousKeyRelationship) rel).destination;
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}
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};
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private class PolytomousKeyLabelProvider extends LabelProvider{
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@Override
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public String getText(Object element) {
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if(element instanceof PolytomousKey){
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return ((PolytomousKey) element).getTitleCache();
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}else if(element instanceof PolytomousKeyNode){
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PolytomousKeyNode keyNode = (PolytomousKeyNode) element;
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if(keyNode.isLeaf()){
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if(keyNode.getTaxon() != null){
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return keyNode.getTaxon().getName().getTitleCache();
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}
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return "leaf but no taxon";
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}
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if(keyNode.getNodeNumber() != null){
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return keyNode.getNodeNumber().toString();
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}else{
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return "No node number set";
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}
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}else if(element instanceof PolytomousKeyRelationship){
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PolytomousKeyRelationship relationship = (PolytomousKeyRelationship) element;
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if(relationship.source instanceof PolytomousKeyNode){
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PolytomousKeyNode sourceNode = (PolytomousKeyNode) relationship.source;
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if(sourceNode.getQuestion() != null && sourceNode.getQuestion().getLabelText(CdmStore.getDefaultLanguage()) != null){
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return sourceNode.getQuestion().getLabelText(CdmStore.getDefaultLanguage());
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}
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}
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}
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return "";
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}
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};
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public static final String ID = "eu.etaxonomy.taxeditor.editor.key.polytomous";
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/**
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*
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*/
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public PolytomousKeyEditor() {
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super();
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}
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@Override
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public ConversationHolder getConversationHolder() {
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return ((PolytomousKeyEditorInput) getEditorInput()).getConversationHolder();
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}
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@Override
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public PolytomousKey getKey() {
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return ((PolytomousKeyEditorInput) getEditorInput()).getKey();
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}
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@Override
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protected IBaseLabelProvider getLabelProvider() {
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return new PolytomousKeyLabelProvider();
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}
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@Override
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protected IContentProvider getContentProvider() {
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return new ContentProvider();
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}
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}
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