EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

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

*/

import java.util.Comparator;

import java.util.HashSet;

import java.util.Set;

import java.util.UUID;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.OperationCanceledException;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.dialogs.IDialogSettings;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.window.Window;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Link;

import org.eclipse.swt.widgets.Text;

import org.eclipse.ui.IMemento;

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

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

/**

 *

 * @created 04.06.2009

 * @version 1.0

 */

	protected List<UuidAndTitleCache<T>> model;

	private final String settings;

	 *

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

	 * @param multi a boolean.

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

	 * @param cdmObject a T object.

	 * @param <T> a T object.

		setTitle(title);

		setMessage("Use * for wildcard, or ? to see all entries");

		this.settings = settings;

		shell.setCursor(shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT));

		initModel();

//			setInitialPattern(objectTitle);

//		}

		setDetailsLabelProvider(createDetailsLabelProvider());

	 * By default, we are returning the standard list label provider

	 * Override in subclasses if you want different behavior

	 *

	 */

	protected ILabelProvider createDetailsLabelProvider() {

		return createListLabelProvider();

	}

	/**

	 */

	protected ILabelProvider createListLabelProvider() {

		return new FilteredCdmResourceLabelProvider();

	}

	 */

	protected void init() {

	 *

	 * @return a TYPE object.

	protected static <TYPE extends CdmBase> TYPE getSelectionFromDialog(AbstractFilteredCdmResourceSelectionDialog<TYPE> dialog) {

		int result = dialog.open();

		}

		if(uuid == null){

			return null;

	}

	 * Check if object was created during the life of this dialog. If not,

	 * retrieve it from the CdmStore.

	 * @param cdmUuid a {@link java.util.UUID} object.

	 * @return a T object.

	protected T getCdmObjectByUuid(UUID cdmUuid) {

		for (T cdmObject : transientCdmObjects) {

			if (cdmObject.getUuid().equals(cdmUuid)) {

				return cdmObject;

			}

		}

		return getPersistentObject(cdmUuid);

	}

	 *

	 * @param uuid a {@link java.util.UUID} object.

	 * @return a T object.

	abstract protected T getPersistentObject(UUID uuid);

	/**

	 * @param cdmObject

	 */

//		model.add(new UuidAndTitleCache(cdmObject.getClass(), cdmObject.getUuid(), getTitle(cdmObject)));

//		transientCdmObjects.add(cdmObject);

//	}

	/**

	 *

	 * @param cdmObject a T object.

	 * @return a boolean.

	protected boolean isObjectTransient(T cdmObject) {

		return (getPersistentObject(cdmObject.getUuid()) == null);

	}

	/**

	 *

	 * @param cdmObject a T object.

	 * @return a {@link java.lang.String} object.

	protected String getTitle(T cdmObject) {

			return "";

		}

				" supports cdmObject of type IIdentifiableEntity." +

				" Please implement specific method in subclass.");

	public void refresh() {

		super.refresh();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#createFilter()

	 */

	protected ItemsFilter createFilter() {

		return new ItemsFilter() {

			 * Always returns false to enforce refiltering even if the pattern is equal

			 */

			@Override

			public boolean equalsFilter(ItemsFilter filter) {

				return false;

			}

			public boolean isConsistentItem(Object item) {

				return false;

			}

			@Override

			public boolean matchItem(Object item) {

				String text = null;

				if(item instanceof UuidAndTitleCache){

					text = ((UuidAndTitleCache) item).getTitleCache();

				}else if(item instanceof String){

					text = (String) item;

				}

				return text != null ? matches(text) : false;

			}

	}

	/**

	 *

	 * @param cdmObject a T object.

	protected void setPattern(T cdmObject) {

		// runs with high performance.

		// and all the clever caching prevents the content provider from knowing that the model has changed

		try {

			Field lastCompletedFilter = this.getClass().getSuperclass().getSuperclass().getDeclaredField("lastCompletedFilter");

			lastCompletedFilter.setAccessible(true);

			lastCompletedFilter.set(this, null);

		} catch (SecurityException e) {

		// this also is not the nicest way to do it.

		// once it was opened. Am I doing it wrong?

		((Text) getPatternControl()).setText(pattern);

	* @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#fillContentProvider(org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.AbstractContentProvider, org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.ItemsFilter, org.eclipse.core.runtime.IProgressMonitor)

	*/

	protected void fillContentProvider(AbstractContentProvider contentProvider,

		ItemsFilter itemsFilter, IProgressMonitor progressMonitor)

		throws CoreException {

		try {

				Iterator<UuidAndTitleCache<T>> iterator = model.iterator();

				UuidAndTitleCache<T> element;

				while(iterator.hasNext()){

				    element = iterator.next();

					if (progressMonitor.isCanceled()) {

						throw new OperationCanceledException();

					}

					progressMonitor.worked(1);

		}

		finally {

			progressMonitor.done();

		}

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getDialogSettings()

	 */

	protected IDialogSettings getDialogSettings() {

		IDialogSettings settings = TaxeditorStorePlugin.getDefault().getDialogSettings().getSection(getSettings());

		if (settings == null) {

			settings = TaxeditorStorePlugin.getDefault().getDialogSettings().addNewSection(getSettings());

		}

		return settings;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getElementName(java.lang.Object)

	 */

	public String getElementName(Object item) {

		return ((UuidAndTitleCache) item).getTitleCache();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#getItemsComparator()

	 */

	protected Comparator getItemsComparator() {

		return new Comparator<UuidAndTitleCache>() {

					UuidAndTitleCache entity2) {

				Collator collator = Collator.getInstance();

				return collator.compare(entity1.getTitleCache(), entity2.getTitleCache());

			}

		};

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#validateItem(java.lang.Object)

	 */

	protected IStatus validateItem(Object item) {

		return Status.OK_STATUS;

	}

	 *

	 * @return a {@link eu.etaxonomy.cdm.model.common.UuidAndTitleCache} object.

	 */

		Object[] result = getResult();

		return result[0] == null ? null : (UuidAndTitleCache) result[0];

	}

	 * <p>Getter for the field <code>settings</code>.</p>

	 *

	 * @return a {@link java.lang.String} object.

	 */

		if(settings == null){

			throw new IllegalStateException("No SETTINGS set.");

		}

		return settings;

	}

	 * @created Oct 19, 2009

	 * @version 1.0

	 */

	private class ResourceSelectionHistory extends SelectionHistory {

	    /*

	    * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.SelectionHistory#restoreItemFromMemento(org.eclipse.ui.IMemento)

	   	*/

			return element.getString("resource"); //$NON-NLS-1$

	  	}

	  	/*

	  	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog.SelectionHistory#storeItemToMemento(java.lang.Object,

	  	 *      org.eclipse.ui.IMemento)

	  	 */

			element.putString("resource", item.toString()); //$NON-NLS-1$

		}

	}

	 * <p>getNewWizardLinkText</p>

	 *

	 * @return a {@link java.lang.String} object.

	 */

	 * <p>getNewEntityWizard</p>

			if (element == null) {

				return null;

			}

			String titleCache = uuidAndTitleCache.getTitleCache();

			}

            return titleCache;

		}

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

	*/

	protected Control createExtendedContentArea(Composite parent) {

        if(newWizardLinkText != null){

		}

		return null;

		return new SelectionAdapter() {

			 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)

			 */

			@Override

			public void widgetSelected(SelectionEvent e) {

			    if(wizard!=null){

			        wizard.init(null, null);

			        if(wizard.getEntity() != null) {

			            WizardDialog dialog = new WizardDialog(getShell(), wizard);

			            int status = dialog.open();

			            if (status == IStatus.OK) {

			                T entity = (T) wizard.getEntity();

			                setPattern(entity);

			                getConversationHolder().bind();

			            }

			            //FIXME : Need to make sure this is a stable fix (ticket 3822)

			            getConversationHolder().commit();

			        }

			    }

		};

	}

	 * <p>getConversationHolder</p>

	 *

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

	 */

		return conversation;

	}

	/**

	 * so filter the list to remove the taxon in question

	 * so it is not available in the filtered list.

	private void filterExcludedObjects() {

		if (model != null && cdmBaseToBeFiltered != null) {

				if ((cdmBaseToBeFiltered.getUuid()).equals(uuidAndTitleCache.getUuid())) {

					uuidAndTitleCacheToRemove = uuidAndTitleCache;

			model.remove(uuidAndTitleCacheToRemove);

		}

	}