EDIT

package eu.etaxonomy.cdm.vaadin.component;

import java.util.Collection;

import org.springframework.context.annotation.Scope;

import com.vaadin.event.ShortcutAction.KeyCode;

import com.vaadin.event.ShortcutAction.ModifierKey;

import com.vaadin.ui.CustomComponent;

import com.vaadin.ui.Label;

import com.vaadin.ui.Tree;

import com.vaadin.ui.Window;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.model.common.Language;

import eu.etaxonomy.cdm.model.description.CategoricalData;

import eu.etaxonomy.cdm.model.description.CommonTaxonName;

import eu.etaxonomy.cdm.model.description.DescriptionElementBase;

import eu.etaxonomy.cdm.model.description.Distribution;

import eu.etaxonomy.cdm.model.description.PresenceAbsenceTerm;

import eu.etaxonomy.cdm.model.description.StateData;

import eu.etaxonomy.cdm.model.description.TextData;

import eu.etaxonomy.cdm.model.taxon.Taxon;

@Scope("prototype")

public class DetailWindow extends CustomComponent{

	private final Collection<DescriptionElementBase> listDescriptions;

	private final Taxon taxon;

	public DetailWindow(Taxon taxon, Collection<DescriptionElementBase> listDescriptions) {

		this.taxon = taxon;

		this.listDescriptions = listDescriptions;

	}

	public Window createWindow(){

		Window window = new Window();

		window.setHeightUndefined();

		window.setHeight("600px");

		window.setWidth("400px");

		window.setCaption(taxon.getName().getTitleCache());

		window.setCloseShortcut(KeyCode.W, ModifierKey.CTRL);

		if(listDescriptions.isEmpty()){

			window.setContent(new Label("No descriptive data found"));

		}

		else{

			window.setContent(constructDescriptionTree(taxon));

		}

		return window;

	}

	private Tree constructDescriptionTree(Taxon taxon){

		Tree tree = new Tree();

		tree.setSizeUndefined();

		String parent = "Descriptive Data";

		tree.setValue(parent);

		initDescriptionTree(tree, listDescriptions, parent);

		return tree;

	}

	private void initDescriptionTree(Tree tree, Collection<DescriptionElementBase>listDescriptions, Object parent) {

		//TODO: sorting List

		for (DescriptionElementBase deb : listDescriptions){

			tree.addItem(deb.getFeature());

			tree.setItemCaption(deb.getFeature(), deb.getFeature().getTitleCache());

			tree.setParent(deb.getFeature(), parent);

			tree.setChildrenAllowed(deb.getFeature(), true);

			if(deb.isInstanceOf(CategoricalData.class)){

				CategoricalData cd = CdmBase.deproxy(deb, CategoricalData.class);

				if(cd.getStatesOnly().size() <= 1){

					for(StateData st  : cd.getStateData()){

						tree.addItem(st);

						tree.setItemCaption(st, st.getState().getTitleCache());

						tree.setParent(st, deb.getFeature());

						tree.setChildrenAllowed(st, false);

					}

				}else{

					//TODO: implement recursion

				}

			}else if(deb.isInstanceOf(TextData.class)){

				TextData td = CdmBase.deproxy(deb,TextData.class);

				tree.addItem(td);

				tree.setItemCaption(td, td.getText(Language.GERMAN()));

				tree.setParent(td, deb.getFeature());

				tree.setChildrenAllowed(td, false);

			}else if(deb.isInstanceOf(CommonTaxonName.class)){

			    CommonTaxonName td = CdmBase.deproxy(deb, CommonTaxonName.class);

			    tree.addItem(td);

			    tree.setItemCaption(td, td.getName());

			    tree.setParent(td, deb.getFeature());

			    tree.setChildrenAllowed(td, false);

			}else if(deb.isInstanceOf(Distribution.class)){

			    Distribution db = CdmBase.deproxy(deb, Distribution.class);

			    PresenceAbsenceTerm status = db.getStatus();

			    if(status!=null){

			        tree.addItem(db.toString());

			        tree.setParent(db.toString(), deb.getFeature());

			        tree.setChildrenAllowed(db.toString(), true);

				    tree.addItem(status.toString());

				    tree.setParent(status.toString(), db.toString());

				    tree.setChildrenAllowed(status.toString(), false);

				}

			}

			tree.expandItemsRecursively(parent);

		}

	}

}