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package eu.etaxonomy.taxeditor.handler.defaultHandler;
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import java.util.UUID;
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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.ParameterType;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.wizard.WizardDialog;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.api.service.IClassificationService;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.newWizard.NewClassificationWizard;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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public class DefaultOpenClassificationWizardHandler extends AbstractHandler {
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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String commandId = event.getCommand().getId();
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String uuidParameterId = commandId+".uuid";
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//check if uuid parameter is set
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if(event.getParameter(uuidParameterId)!=null){
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Object object = event.getObjectParameterForExecution(uuidParameterId);
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ParameterType parameterType;
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try {
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parameterType = event.getCommand().getParameterType(uuidParameterId);
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if(parameterType.isCompatible(object)){
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Classification classification = CdmStore.getService(IClassificationService.class).load((UUID) object);
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openClassificationWizard(event, classification);
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}
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} catch (NotDefinedException e) {
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MessagingUtils.error(DefaultOpenClassificationWizardHandler.class, "Error while opening classification!", e);
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}
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}
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//if not try current selection
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else{
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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if(selection instanceof IStructuredSelection){
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final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
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if(structuredSelection.size() == 1 && structuredSelection.getFirstElement() instanceof Classification){
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Classification classification = (Classification) structuredSelection.getFirstElement();
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openClassificationWizard(event, classification);
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}
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}
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}
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return null;
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}
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private void openClassificationWizard(ExecutionEvent event, Classification classification) {
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NewClassificationWizard classificationWizard = new NewClassificationWizard();
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classificationWizard.init(null, null);
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classificationWizard.setEntity(classification);
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WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), classificationWizard);
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dialog.open();
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}
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}
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