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package eu.etaxonomy.taxeditor.navigation.navigator.e4.handler;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.TreeSelection;
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import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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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.navigation.l10n.Messages;
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import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
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import eu.etaxonomy.taxeditor.navigation.operation.CreateNewTaxonHierarchyOperation;
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import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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*
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* @author pplitzner
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* @date 05.09.2017
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*
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*/
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public class CreateClassificationHierarchyHandlerE4 {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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UISynchronize sync) {
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TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
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Object selectedElement = selection.getFirstElement();
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if (selectedElement instanceof TaxonNode && !((TaxonNode)selectedElement).hasTaxon()) {
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Classification classification = ((TaxonNode) selectedElement).getClassification();
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try {
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CreateNewTaxonHierarchyOperation operation = new CreateNewTaxonHierarchyOperation(Messages.CreateClassificationHierarchyHandler_CREATE_HIERARCHY, StoreUtil.getUndoContext(),classification, taxonNavigator, taxonNavigator);
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AbstractUtility.executeOperation(operation, sync);
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taxonNavigator.refresh();
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} catch (Exception e) {
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MessagingUtils.messageDialog(Messages.CreateClassificationHierarchyHandler_FAILED, CreateClassificationHierarchyHandlerE4.class,
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Messages.CreateClassificationHierarchyHandler_FAILED_MESSAGE, e);
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}
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}
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}
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@CanExecute
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private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
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boolean canExecute = false;
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canExecute = selection.size()==1
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&& selection.getFirstElement() instanceof TaxonNode
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&& ((TaxonNode) selection.getFirstElement()).getTaxon()==null
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&& PreferencesUtil.getBooleanValue(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES)
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&& !PreferencesUtil.getBooleanValue(PreferencePredicate.DisableMultiClassification.getKey());
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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