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/**
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*
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*/
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package eu.etaxonomy.taxeditor.navigation.navigator.handler;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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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.IHandler;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
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import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.ChangeAcceptedTaxonToSynonymOperation;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
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/**
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* <p>ChangeAcceptedTaxonToSynonymHandler class.</p>
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*
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* @author n.hoffmann
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* @created Jan 4, 2010
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* @version 1.0
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*/
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public class ChangeAcceptedTaxonToSynonymHandler extends DeleteHandler
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implements IHandler, IPostOperationEnabled {
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private static final Logger logger = Logger
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.getLogger(ChangeAcceptedTaxonToSynonymHandler.class);
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private ChangeAcceptedTaxonToSynonymOperation operation;
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private UUID newAcceptedTaxonNodeUuid;
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private TaxonNameEditor editor;
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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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activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
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taxonNavigator = NavigationUtil.showNavigator();
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TreeSelection selection = (TreeSelection) HandlerUtil.getCurrentSelection(event);
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// Prompt user for confirmation
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Iterator selectionIterator = selection.iterator();
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Set<ITaxonTreeNode> treeNodes = new HashSet<ITaxonTreeNode>();
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while (selectionIterator.hasNext()){
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Object object = selectionIterator.next();
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if(object instanceof ITaxonTreeNode) {
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treeNodes.add((ITaxonTreeNode) object);
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}
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}
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boolean allEditorsClosed = true;
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for (ITaxonTreeNode treeNode : treeNodes){
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if(treeNode instanceof TaxonNode) {
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allEditorsClosed &= closeObsoleteEditor((TaxonNode) treeNode);
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}
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}
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AbstractPostOperation operation = null;
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if (treeNodes.size() == 1 ){
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try {
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ITaxonTreeNode treeNode = treeNodes.iterator().next();
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ITaxonTreeNode oldAcceptedTaxonNode =treeNode;
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// check if taxon has no children
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if(((TaxonNode)oldAcceptedTaxonNode).getCountChildren() > 0) {
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MessagingUtils.warningDialog(Messages.ChangeAcceptedTaxonToSynonymHandler_PREREQUISITE, this,
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Messages.ChangeAcceptedTaxonToSynonymHandler_PREREQUISITE_MESSAGE);
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return null;
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}
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/*if(((TaxonNode)oldAcceptedTaxonNode).getTaxon().hasSynonyms()) {
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EditorUtil.warningDialog("Prerequisite not met", this,
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"The accepted taxon must not have any synonyms. You need to move all synonyms to " +
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"another taxon before attempting to turn the accepted " +
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"taxon into a synonym.");
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return null;
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}*/
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List<UUID> excludeTaxa = new ArrayList<UUID>();
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excludeTaxa.add(((TaxonNode)oldAcceptedTaxonNode).getTaxon().getUuid());
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TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
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taxonNavigator.getConversationHolder(),
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Messages.ChangeAcceptedTaxonToSynonymHandler_CHOOSE_TAXON,
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excludeTaxa,
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null,
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((TaxonNode)oldAcceptedTaxonNode).getClassification());
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if (newAcceptedTaxonNode == null) {
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return null;
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}
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if (allEditorsClosed){
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operation = new ChangeAcceptedTaxonToSynonymOperation(event.getCommand().getName(),
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NavigationUtil.getUndoContext(),
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oldAcceptedTaxonNode,
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newAcceptedTaxonNode,
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taxonNavigator,
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taxonNavigator,
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taxonNavigator);
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NavigationUtil.executeOperation(operation);
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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"); //$NON-NLS-1$
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}
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} else{
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if( MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), Messages.ChangeAcceptedTaxonToSynonymHandler_MOVE_SYNONYMY, Messages.ChangeAcceptedTaxonToSynonymHandler_MOVE_SYNONYMY_MESSAGE)){
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return null;
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}
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}
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return null;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
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*/
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/** {@inheritDoc} */
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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Display.getDefault().asyncExec(new Runnable(){
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@Override
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public void run() {
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EditorUtil.close(editor.getMultiPageTaxonEditor());
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try {
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MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
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if(possibleOpenEditor != null){
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EditorUtil.close(possibleOpenEditor);
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}
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EditorUtil.openTaxonNodeE4(newAcceptedTaxonNodeUuid);
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} catch (PartInitException e) {
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MessagingUtils.error(this.getClass(), e);
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throw new RuntimeException(e);
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} catch (Exception e) {
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MessagingUtils.warningDialog(Messages.ChangeAcceptedTaxonToSynonymHandler_CREATE_FAILED, this, e.getMessage());
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}
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}
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});
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return true;
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}
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/**
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* <p>onComplete</p>
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*
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* @return a boolean.
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*/
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@Override
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public boolean onComplete() {
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// TODO Auto-generated method stub
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return false;
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}
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}
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