EDIT

// $Id$

/**

* 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.navigation.navigator.operation;

import java.util.List;

import java.util.Set;

import java.util.UUID;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.core.commands.operations.IUndoContext;

import org.eclipse.core.runtime.IAdaptable;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.jface.dialogs.MessageDialog;

import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;

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

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

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

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

import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;

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

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

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

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

import eu.etaxonomy.taxeditor.operation.AbstractPersistentPostOperation;

import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;

import eu.etaxonomy.taxeditor.store.CdmStore;

/**

 * <p>DeleteTreeNodeOperation class.</p>

 *

 * @author n.hoffmann

 * @created Jan 20, 2010

 * @version 1.0

 */

public class DeleteOperation extends AbstractPersistentPostOperation{

	private Set<ITaxonTreeNode> treeNodes;

	protected final TaxonDeletionConfigurator config;

	/**

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

	 *

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

	 * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.

	 * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.

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

	 * @param treeNodes a {@link java.util.Set} object.

	 */

	public DeleteOperation(String label, IUndoContext undoContext,

			ITaxonTreeNode taxonNode, TaxonDeletionConfigurator config,

			IPostOperationEnabled postOperationEnabled,

			IConversationEnabled conversationEnabled) {

		super(label, undoContext, postOperationEnabled, conversationEnabled);

		this.taxonNode = (ITaxonTreeNode)CdmBase.deproxy(taxonNode, CdmBase.class);

		this.config = config;

	}

	/**

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

	 *

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

	 * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.

	 * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.

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

	 * @param treeNodes a {@link java.util.Set} object.

	 */

	public DeleteOperation(String label, IUndoContext undoContext,

			Set<ITaxonTreeNode> treeNodes, TaxonDeletionConfigurator config,

			IPostOperationEnabled postOperationEnabled,

			IConversationEnabled conversationEnabled) {

		super(label, undoContext, postOperationEnabled, conversationEnabled);

		this.treeNodes = treeNodes;

		this.config = config;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus execute(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		bind();

		monitor.worked(20);

		ICdmApplicationConfiguration controller = CdmStore.getCurrentApplicationConfiguration();

		ITaxonNodeService service = controller.getTaxonNodeService();

			if(taxonNode != null && taxonNode instanceof TaxonNode){

				//((TaxonNode) treeNode).delete();

				element = ((TaxonNode)taxonNode).getTaxon();

				DeleteResult result = service.deleteTaxonNode((TaxonNode)taxonNode, config);

				if (result.isError()){

					//TODO:Error message!

					MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());

				}

			}else if(taxonNode != null && taxonNode instanceof Classification){

				Classification taxonomicTree = (Classification) taxonNode;

				/*if(taxonomicTree.hasChildNodes()){

					if(! MessageDialog.openConfirm(null, "Confirm Deletion", "The selected tree has children, do yu realy want to delete the whole tree with its children?")){

						return null;

					}

				}*/

				DeleteResult result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree);

				if (result.isError()){

					//TODO:Error message!

					MessageDialog.openError(null, "Delete failed", result.getExceptions().get(0).getMessage());

				}

				/*}else{

					try{

					CdmStore.getService(IClassificationService.class).delete(taxonomicTree);

					}catch(ReferencedObjectUndeletableException e){

						throw new ExecutionException(e.getMessage());

					}

				}*/

			} else {

				List<UUID> result =service.deleteTaxonNodes(treeNodes, config);

			}

		monitor.worked(40);

		return postExecute(null);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus redo(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		return null;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus undo(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		return null;

	}

}