EDIT

/**

 * 

 */

package eu.etaxonomy.taxeditor.ui.dialogs.filteredSelection;

import java.util.List;

import java.util.UUID;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Shell;

import eu.etaxonomy.cdm.api.conversation.ConversationHolder;

import eu.etaxonomy.cdm.api.service.IClassificationService;

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

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

import eu.etaxonomy.taxeditor.newWizard.AbstractNewEntityWizard;

import eu.etaxonomy.taxeditor.store.CdmStore;

/**

 * <p>FilteredTaxonNodeSelectionDialog class.</p>

 *

 * @author p.ciardelli

 * @version $Id: $

 */

public class TaxonNodeSelectionDialog extends AbstractFilteredCdmResourceSelectionDialog<TaxonNode> implements SelectionListener{	

	/**

	 * <p>select</p>

	 *

	 * @param shell a {@link org.eclipse.swt.widgets.Shell} object.

	 * @param conversation a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.

	 * @param title a {@link java.lang.String} object.

	 * @param excludeTaxa a {@link java.util.List} object.

	 * @param node a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.

	 * @return a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.

	 */

	public static TaxonNode select(Shell shell, ConversationHolder conversation, String title, List<UUID> excludeTaxa, TaxonNode node, Classification classification) {

		TaxonNodeSelectionDialog dialog = new TaxonNodeSelectionDialog(shell, 

				conversation,

				title,

				excludeTaxa,

				false,

				node,

				classification);

		return getSelectionFromDialog(dialog);

	}

	private Combo classificationSelectionCombo;

	private List<Classification> classifications;

	private Classification selectedClassification;

	private final Classification defaultClassification;

	/**

	 * <p>Constructor for FilteredTaxonNodeSelectionDialog.</p>

	 *

	 * @param shell a {@link org.eclipse.swt.widgets.Shell} object.

	 * @param title a {@link java.lang.String} object.

	 * @param conversation a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.

	 * @param excludeTaxa a {@link java.util.List} object.

	 * @param multi a boolean.

	 * @param node a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.

	 */

	protected TaxonNodeSelectionDialog(Shell shell, ConversationHolder conversation, String title, List<UUID> excludeTaxa, boolean multi, TaxonNode node, Classification classification) {

		super(shell, conversation, title, multi, TaxonNodeSelectionDialog.class.getCanonicalName(), node);

		ILabelProvider labelProvider = new FilteredCdmResourceLabelProvider();

		setListLabelProvider(labelProvider);

		setDetailsLabelProvider(labelProvider);

		if(classification != null){

			selectedClassification = classification;

		}

		defaultClassification = classification;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#createExtendedContentArea(org.eclipse.swt.widgets.Composite)

	 */

	/** {@inheritDoc} */

	@Override

	protected Control createExtendedContentArea(Composite parent) {

		return createClassificationSelectionCombo(parent);

	}

	/*

	 * currently disabled tree selection composite

	 */

	private Control createClassificationSelectionCombo(Composite parent){

//		classifications = CdmStore.getTaxonTreeService().list(null, null, null, null, null);

		Composite classificationSelection = new Composite(parent, SWT.NULL);

		classificationSelection.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

		GridLayout layout = new GridLayout();

		classificationSelection.setLayout(layout);

		Label label = new Label(classificationSelection, SWT.NULL);

		// TODO not working is not really true but leave it here to remind everyone that this is under construction

		label.setText("Select Classification (experimental)");

		classificationSelectionCombo = new Combo(classificationSelection, SWT.BORDER | SWT.READ_ONLY);

		classificationSelectionCombo.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true));

		for(Classification tree : classifications){

			classificationSelectionCombo.add(tree.getName().getText(), classifications.indexOf(tree));

		}

		classificationSelectionCombo.select(classifications.indexOf(selectedClassification));

		// TODO remember last selection

		classificationSelectionCombo.addSelectionListener(this);

		return classificationSelection;

	}

	/** {@inheritDoc} */

	@Override

	protected String getTitle(TaxonNode taxonNode) {

		if(taxonNode != null && taxonNode.getTaxon() != null){

			return taxonNode.getTaxon().getTitleCache();

		}

		return "";

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.dialogs.AbstractFilteredCdmResourceSelectionDialog#getPersistentObject(java.util.UUID)

	 */

	/** {@inheritDoc} */

	@Override

	protected TaxonNode getPersistentObject(UUID uuid) {

		return CdmStore.getService(IClassificationService.class).getTaxonNodeByUuid(uuid);

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.dialogs.AbstractFilteredCdmResourceSelectionDialog#initModel()

	 */

	/** {@inheritDoc} */

	@Override

	protected void initModel() {

		// default to first tree 

		// TODO this will be problematic and can only be seen as workaround 

		if(classifications == null){

			classifications = CdmStore.getService(IClassificationService.class).list(null, null, null, null, null);

			selectedClassification = classifications.iterator().next();

		}

		model = CdmStore.getService(IClassificationService.class).getTaxonNodeUuidAndTitleCacheOfAcceptedTaxaByClassification(selectedClassification);

	}

	/** {@inheritDoc} */

	@Override

	protected AbstractNewEntityWizard getNewEntityWizard(String parameter) {

		return null;

	}

	/** {@inheritDoc} */

	@Override

	protected String getNewWizardLinkText() {

		return null;

	}

	/** {@inheritDoc} */

	public void widgetSelected(SelectionEvent e) {

		selectedClassification = classifications.get(classificationSelectionCombo.getSelectionIndex());

//		refresh();

		setPattern(null);

	}

	/** {@inheritDoc} */

	public void widgetDefaultSelected(SelectionEvent e) {}

}