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.Set;

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 eu.etaxonomy.cdm.api.application.CdmApplicationController;

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

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

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

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

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

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

import eu.etaxonomy.cdm.api.service.exception.DataChangeNoRollbackException;

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

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

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;

import eu.etaxonomy.taxeditor.store.StoreUtil;

/**

 * <p>DeleteTreeNodeOperation class.</p>

 *

 * @author n.hoffmann

 * @created Jan 20, 2010

 * @version 1.0

 */

public class DeleteOperation extends AbstractPersistentPostOperation{

	private Set<ITaxonTreeNode> treeNodes;

	private 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();

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

				try {

					service.deleteTaxonNode((TaxonNode)taxonNode, config);

				} catch (DataChangeNoRollbackException e) {

					throw new ExecutionException(e.getMessage());

				}

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

				Classification taxonomicTree = (Classification) taxonNode;

				if(taxonomicTree.hasChildNodes()){

					StoreUtil.warningDialog("Tree is not empty", this, "It is not possible to delete a Taxonomic Tree that " +

							"is not empty. Please delete included taxa first");

				}else{

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

				}

			} else {

				try {

					service.deleteTaxonNodes(treeNodes, config);

				} catch (DataChangeNoRollbackException e) {

					throw new ExecutionException(e.getMessage());

				}

			}

		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;

	}

}