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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.core.commands.operations.AbstractOperation;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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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.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.swt.widgets.Shell;
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import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.AggregateTaxonDescriptionsOperation;
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import eu.etaxonomy.taxeditor.operation.e4.RemotingCdmHandlerE4;
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public class AggregateTaxonDescriptionsHandler extends RemotingCdmHandlerE4 {
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public AggregateTaxonDescriptionsHandler() {
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super("Aggregate taxon descriptions");
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}
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@Override
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public IStatus allowOperations(IStructuredSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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if(selection!=null
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&& !selection.isEmpty()
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&& selection.getFirstElement() instanceof TaxonNodeDto){
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TaxonNodeDto node = (TaxonNodeDto) selection.getFirstElement();
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boolean confirm = MessagingUtils.confirmDialog("Create aggregated description",
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String.format("The aggregated description will be stored at the selected taxon %s"
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, node.getTaxonTitleCache()));
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return confirm?Status.OK_STATUS:Status.CANCEL_STATUS;
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}
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return Status.CANCEL_STATUS;
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}
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@Override
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public AbstractOperation prepareOperation(IStructuredSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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return new AggregateTaxonDescriptionsOperation(getTrigger(),
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false,
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((TaxonNodeDto) selection.getFirstElement()).getUuid()
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);
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}
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@CanExecute
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private boolean canExecute(
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@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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MHandledMenuItem menuItem){
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boolean canExecute = false;
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canExecute = activePart.getObject() instanceof TaxonNavigatorE4
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&& selection.getFirstElement() instanceof TaxonNodeDto
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&& ((TaxonNodeDto)selection.getFirstElement()).getTaxonUuid() != null;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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@Override
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public void onComplete() {
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}
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@Override
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protected Object getTrigger() {
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return this;
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}
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}
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