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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.view.derivate.handler;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.ui.IWorkbenchPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.cdm.model.molecular.SingleRead;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.view.derivate.operation.DeleteDerivateOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateLabelProvider;
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/**
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*
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* @author pplitzner
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* @date Oct 21, 2014
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*
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*/
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public class DeleteDerivateHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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/** {@inheritDoc} */
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getActiveSite(event).getSelectionProvider().getSelection();
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IWorkbenchPart part = HandlerUtil.getActivePart(event);
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IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
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try {
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String label = event.getCommand().getName();
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IUndoContext undoContext = EditorUtil.getUndoContext();
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if(selection.size()>0){
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Object object = selection.iterator().next();
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if(object instanceof TreeNode){
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Object value = ((TreeNode) object).getValue();
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if(value instanceof SpecimenOrObservationBase<?> || value instanceof Sequence || value instanceof SingleRead){
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if(postOperationEnabled instanceof IConversationEnabled){
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ConversationHolder conversationHolder = ((IConversationEnabled) postOperationEnabled).getConversationHolder();
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label += " "+DerivateLabelProvider.getDerivateText(value, conversationHolder);
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}
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SpecimenDeleteConfigurator config = new SpecimenDeleteConfigurator();
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boolean deepDelete = event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivate.deepDelete");
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config.setDeleteChildren(deepDelete);
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config.setDeleteMolecularData(deepDelete);
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DeleteDerivateOperation deleteDerivateOperation = new DeleteDerivateOperation(label, undoContext, (CdmBase) value, postOperationEnabled, config);
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AbstractUtility.executeOperation(deleteDerivateOperation);
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}
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}
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else{
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MessagingUtils.error(getClass(), "Selection is not valid for this delete handler", null);
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}
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}
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} catch (NotDefinedException e) {
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MessagingUtils.warn(getClass(), "Command name not set.");
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}
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return null;
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}
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}
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