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package eu.etaxonomy.taxeditor.editor.view.uses.handler;
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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.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.viewers.ITreeSelection;
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import org.eclipse.jface.viewers.TreePath;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IWorkbenchPart;
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import org.eclipse.ui.forms.editor.FormEditor;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.cdm.model.description.TaxonDescription;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
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import eu.etaxonomy.taxeditor.editor.view.uses.operation.CreateUseRecordOperation;
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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.store.CdmStore;
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/**
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* The context manager mediates context start/stop and workbench shutdowns to all registered listeners.
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*
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* @author a.theys
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* @created mar 13, 2012
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* @version 1.0
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*/
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public class CreateUseRecordHandler extends AbstractHandler {
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IWorkbenchPart part = HandlerUtil.getActivePart(event);
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IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part
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: null;
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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if (editor instanceof FormEditor) {
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editor = ((FormEditor) editor).getActiveEditor();
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}
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IEditorInput input = editor.getEditorInput();
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if (input instanceof TaxonEditorInput) {
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Taxon taxon = ((TaxonEditorInput) input).getTaxon();
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TaxonDescription description = null;
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ISelection selection = HandlerUtil.getActiveMenuSelection(event);
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if (selection instanceof ITreeSelection) {
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TreePath[] paths = ((ITreeSelection) selection).getPaths();
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Object firstSegment = paths[0].getFirstSegment();
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if (firstSegment instanceof TaxonDescription) {
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description = (TaxonDescription) firstSegment;
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}
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}else if (selection instanceof IStructuredSelection) {
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Object selectedElement = ((IStructuredSelection) selection)
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.getFirstElement();
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if (selectedElement instanceof TaxonDescription){
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description = (TaxonDescription) selectedElement;
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}
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}
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if (description != null) {
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AbstractPostOperation operation = null;
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try {
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//Use Record Feature retrieval below
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Feature feature = (Feature) CdmStore.getService(ITermService.class).find(UUID.fromString("8125a59d-b4d5-4485-89ea-67306297b599"));
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//The code below retrieves the feature "Uses" as a work around
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//Feature feature = (Feature) CdmStore.getService(ITermService.class).find(UUID.fromString("e5374d39-b210-47c7-bec1-bee05b5f1cb6"));
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feature.setSupportsCategoricalData(true);
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operation = new CreateUseRecordOperation(event
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.getCommand().getName(),
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EditorUtil.getUndoContext(), taxon,
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description, feature, postOperationEnabled);
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EditorUtil.executeOperation(operation);
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} catch (NotDefinedException e) {
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EditorUtil.warn(getClass(), "Command name not set");
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}
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} else {
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EditorUtil.error(getClass(), new IllegalArgumentException("Could not determine the taxon description"));
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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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}
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