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/**
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*
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*/
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package eu.etaxonomy.taxeditor.editor.name.handler;
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import java.util.ArrayList;
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import java.util.List;
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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.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.IHandler;
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import org.eclipse.core.commands.common.NotDefinedException;
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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.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.Page;
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
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import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
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import eu.etaxonomy.taxeditor.editor.name.operation.ChangeAcceptedTaxonToSynonymOperation;
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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 AbstractHandler
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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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public Object execute(ExecutionEvent event) throws ExecutionException {
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editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
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Page.NAME);
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TaxonNode oldAcceptedTaxonNode = ((TaxonEditorInput) editor.getEditorInput()).getTaxonNode();
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// check if taxon has no children
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if(oldAcceptedTaxonNode.getCountChildren() > 0) {
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EditorUtil.warningDialog("Prerequisite not met", this,
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"The accepted taxon must not have any childen. You need to move all childen to " +
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"another taxon node in the TaxonNavigator 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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// Choose new accepted taxon
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List<UUID> excludeTaxa = new ArrayList<UUID>();
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excludeTaxa.add(oldAcceptedTaxonNode.getUuid());
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TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
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editor.getConversationHolder(),
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"Choose the accepted taxon",
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excludeTaxa,
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null,
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oldAcceptedTaxonNode.getClassification());
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if (newAcceptedTaxonNode == null) {
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return null;
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}
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newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
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try {
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operation = new ChangeAcceptedTaxonToSynonymOperation(event.getCommand().getName(),
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editor.getUndoContext(), oldAcceptedTaxonNode, newAcceptedTaxonNode, this, editor);
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EditorUtil.executeOperation(operation);
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} catch (NotDefinedException e) {
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logger.warn("Command name not set");
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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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public boolean postOperation(CdmBase objectAffectedByOperation) {
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Display.getDefault().asyncExec(new Runnable(){
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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.openTaxonNode(newAcceptedTaxonNodeUuid);
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} catch (PartInitException e) {
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EditorUtil.error(this.getClass(), e);
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throw new RuntimeException(e);
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} catch (Exception e) {
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EditorUtil.warningDialog("Could not create Taxon", 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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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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