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eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/ChooseFromMultipleTaxonNodesDialog.java -text

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.editor;

import java.util.ArrayList;

import java.util.List;

import java.util.Set;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.jface.viewers.IStructuredContentProvider;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.viewers.Viewer;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.ui.dialogs.ListDialog;

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

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

/**

 * <p>ChooseClassificationWizard class.</p>

 *

 * @author n.hoffmann

 * @created 19.03.2009

 * @version 1.0

 */

public class ChooseFromMultipleTaxonNodesDialog extends ListDialog {

	public static TaxonNode choose(Set<TaxonNode> taxonNodes){

		ChooseFromMultipleTaxonNodesDialog dialog = new ChooseFromMultipleTaxonNodesDialog(EditorUtil.getShell());

		dialog.setInput(taxonNodes);

		int result = dialog.open();

		if(result == IStatus.OK){

			Classification selectedClassification = (Classification) dialog.getResult()[0];

			for(TaxonNode taxonNode : taxonNodes){

				if(taxonNode.getClassification().equals(selectedClassification)){

					return taxonNode;

				}

			}

		}

		return null;

	}

	public ChooseFromMultipleTaxonNodesDialog(Shell parent) {

		super(parent);

		setTitle("Choose Classification");

		setMessage("The taxon is part of multiple classification. Please choose the one you want to open.");

		setContentProvider(new ClassificationContentProvider());

		setLabelProvider(new ClassificationLabelProvider());

	}

	private class ClassificationLabelProvider extends LabelProvider{

		@Override

		public String getText(Object element) {

			return super.getText(((Classification) element).getTitleCache());

		}

	}

	private class ClassificationContentProvider implements IStructuredContentProvider{

		@Override

		public Object[] getElements(Object inputElement) {

			Set<TaxonNode> taxonNodes = (Set<TaxonNode>) inputElement;

				List<Classification> classifications = new ArrayList<Classification>(); 

				for(TaxonNode node : taxonNodes){

					classifications.add(node.getClassification());

				}

				return classifications.toArray();

		}

		@Override

		public void dispose() {

		}

		@Override

		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

		}		

	}

}

			TaxonNode taxonNode = ChooseFromMultipleTaxonNodesDialog.choose(taxonNodes);

			if(taxonNode != null){

				return NewInstance(taxonNode.getUuid(), conversation);			

			}

			EditorUtil.warningDialog("Incorrect state", TaxonEditorInput.class, "The accepted taxon is not part of any classification. This should not have happened.");