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package eu.etaxonomy.taxeditor.editor.view.derivate.contextMenu;
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import org.eclipse.jface.action.ContributionItem;
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import org.eclipse.jface.action.IContributionItem;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.swt.widgets.MenuItem;
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import org.eclipse.ui.IWorkbenchWindow;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.actions.CompoundContributionItem;
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import eu.etaxonomy.cdm.api.facade.DerivedUnitFacadeCacheStrategy;
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import eu.etaxonomy.cdm.model.media.Media;
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import eu.etaxonomy.cdm.model.molecular.DnaSample;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.cdm.model.molecular.SingleRead;
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import eu.etaxonomy.cdm.model.occurrence.DerivationEvent;
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import eu.etaxonomy.cdm.model.occurrence.DerivationEventType;
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import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;
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import eu.etaxonomy.cdm.model.occurrence.FieldUnit;
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import eu.etaxonomy.cdm.model.occurrence.MediaSpecimen;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.Messages;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
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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.ui.dialog.selection.MediaSelectionDialog;
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/**
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* Context menu for the creation of derivates in the derivate hierarchy.
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*
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*/
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public class CreateDerivateContextMenu extends CompoundContributionItem {
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private static final String SINGLE_READ = Messages.CreateDerivateContextMenu_SINGLE_READ;
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private static final String CONSENSUS_SEQUENCE = Messages.CreateDerivateContextMenu_SEQUENCE;
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private static final String MEDIA_SPECIMEN = Messages.CreateDerivateContextMenu_MEDIA_SPECIMEN;
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private static final String DNA_SAMPLE = Messages.CreateDerivateContextMenu_DNA_SAMPLE;
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private static final String TISSUE_SAMPLE = Messages.CreateDerivateContextMenu_TISSUE_SAMPLE;
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private static final String SPECIMEN = Messages.CreateDerivateContextMenu_SPECIMEN;
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@Override
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protected IContributionItem[] getContributionItems() {
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IContributionItem[] contributionItems = new IContributionItem[] {
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new ContributionItem() {
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@Override
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public void fill(Menu menu, int index) {
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MenuItem addItem = new MenuItem(menu, SWT.CASCADE);
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addItem.setText(Messages.CreateDerivateContextMenu_ADD);
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Menu addMenu = new Menu(menu);
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addItem.setMenu(addMenu);
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final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
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final ISelection selection = window.getActivePage().getSelection();
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TreeNode selectedTreeNode = EditorUtil.getTreeNodeOfSelection(selection);
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if(selectedTreeNode!=null){
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//context menu for FieldUnit
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if(selectedTreeNode.getValue() instanceof FieldUnit){
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createMenuItem(addMenu, SPECIMEN, selectedTreeNode, DerivedUnit.class, SpecimenOrObservationType.PreservedSpecimen, DerivationEventType.GATHERING_IN_SITU());
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new MenuItem(addMenu, SWT.SEPARATOR);
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createMenuItem(addMenu, TISSUE_SAMPLE, selectedTreeNode, DnaSample.class, SpecimenOrObservationType.TissueSample, DerivationEventType.PREPARATION());
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createMenuItem(addMenu, DNA_SAMPLE, selectedTreeNode, DnaSample.class, SpecimenOrObservationType.DnaSample, DerivationEventType.DNA_EXTRACTION());
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createMenuItem(addMenu, MEDIA_SPECIMEN, selectedTreeNode, MediaSpecimen.class, SpecimenOrObservationType.Media, DerivationEventType.ACCESSIONING());
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}
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//context menu for Specimen
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else if(selectedTreeNode.getValue() instanceof DerivedUnit && ((DerivedUnit)selectedTreeNode.getValue()).getRecordBasis()==SpecimenOrObservationType.PreservedSpecimen){
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createMenuItem(addMenu, TISSUE_SAMPLE, selectedTreeNode, DnaSample.class, SpecimenOrObservationType.TissueSample, DerivationEventType.PREPARATION());
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createMenuItem(addMenu, DNA_SAMPLE, selectedTreeNode, DnaSample.class, SpecimenOrObservationType.DnaSample, DerivationEventType.DNA_EXTRACTION());
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createMenuItem(addMenu, MEDIA_SPECIMEN, selectedTreeNode, MediaSpecimen.class, SpecimenOrObservationType.Media, DerivationEventType.ACCESSIONING());
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}
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//context menu for TissueSample
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else if(selectedTreeNode.getValue() instanceof DnaSample && ((DnaSample)selectedTreeNode.getValue()).getRecordBasis()==SpecimenOrObservationType.TissueSample){
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createMenuItem(addMenu, DNA_SAMPLE, selectedTreeNode, DnaSample.class, SpecimenOrObservationType.DnaSample, DerivationEventType.DNA_EXTRACTION());
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createMenuItem(addMenu, MEDIA_SPECIMEN, selectedTreeNode, MediaSpecimen.class, SpecimenOrObservationType.Media, DerivationEventType.ACCESSIONING());
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}
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//context menu for DnaSample
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else if(selectedTreeNode.getValue() instanceof DnaSample && ((DnaSample)selectedTreeNode.getValue()).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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createMenuItem(addMenu, CONSENSUS_SEQUENCE, selectedTreeNode, Sequence.class, null, null);
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createMenuItem(addMenu, MEDIA_SPECIMEN, selectedTreeNode, MediaSpecimen.class, SpecimenOrObservationType.Media, DerivationEventType.ACCESSIONING());
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}
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//context menu for Sequence
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else if(selectedTreeNode.getValue() instanceof Sequence){
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createMenuItem(addMenu, SINGLE_READ, selectedTreeNode, SingleRead.class, null, null);
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}
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//default
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else{
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MenuItem menuItem = new MenuItem(addMenu, SWT.NONE);
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menuItem.setText(Messages.CreateDerivateContextMenu_NO_CHILD_DERIVATE);
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menuItem.setEnabled(false);
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}
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}
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}
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}
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};
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return contributionItems;
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}
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private void createMenuItem(Menu menu, String menuLabel, final TreeNode selectedNode, Class<?> childClass, final SpecimenOrObservationType specimenType, final DerivationEventType derivationEventType) {
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if(specimenType!=null && specimenType.equals(SpecimenOrObservationType.Media)){
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//media submenu
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MenuItem mediaItem = new MenuItem(menu, SWT.CASCADE);
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mediaItem.setText(Messages.CreateDerivateContextMenu_MEDIA);
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Menu mediaMenu = new Menu(menu);
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mediaItem.setMenu(mediaMenu);
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//media specimen menu
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MenuItem menuItem = new MenuItem(mediaMenu, SWT.NONE);
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menuItem.setText(menuLabel);
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menuItem.addSelectionListener(new WidgetSelectionListener(selectedNode, childClass, specimenType, derivationEventType));
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//existing media menu
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MenuItem existingMediaItem = new MenuItem(mediaMenu, SWT.NONE);
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existingMediaItem.setText(Messages.CreateDerivateContextMenu_MEDIA_EXISTING);
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existingMediaItem.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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//select media
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Media media = MediaSelectionDialog.select(AbstractUtility.getShell(), null, null);
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//create MediaSpecimen
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MediaSpecimen mediaSpecimen = MediaSpecimen.NewInstance(specimenType);
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mediaSpecimen.setMediaSpecimen(media);
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//attach to parent
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if(selectedNode.getValue() instanceof SpecimenOrObservationBase){
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SpecimenOrObservationBase<?> specimenOrObservationBase = (SpecimenOrObservationBase<?>)selectedNode.getValue();
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specimenOrObservationBase.addDerivationEvent(DerivationEvent.NewSimpleInstance(specimenOrObservationBase, mediaSpecimen, derivationEventType));
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mediaSpecimen.setCacheStrategy(new DerivedUnitFacadeCacheStrategy());
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mediaSpecimen.getTitleCache(); //update title cache
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}
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//refresh view
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DerivateView derivateView = null;
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if(AbstractUtility.getActivePart() instanceof DerivateView){
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derivateView = (DerivateView) AbstractUtility.getActivePart();
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}
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if(derivateView!=null){
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derivateView.getConversationHolder().commit();
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derivateView.refreshTree(mediaSpecimen);
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}
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}
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});
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}
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else{
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MenuItem menuItem = new MenuItem(menu, SWT.NONE);
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menuItem.setText(menuLabel);
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menuItem.addSelectionListener(new WidgetSelectionListener(selectedNode, childClass, specimenType, derivationEventType));
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}
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}
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private class WidgetSelectionListener extends SelectionAdapter{
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private final TreeNode selectedNode;
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//TODO: we need a common interface for the generic like e.g. "IDerivateHierarchyNode"
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private final Class<?> childClass;
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private final SpecimenOrObservationType specimenType;
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private final DerivationEventType derivationEventType;
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/**
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* @param selectedNode
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* @param specimenType
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*/
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public WidgetSelectionListener(TreeNode selectedNode, Class<?> childClass, SpecimenOrObservationType specimenType, DerivationEventType derivationEventType) {
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this.selectedNode = selectedNode;
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this.childClass = childClass;
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this.specimenType = specimenType;
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this.derivationEventType = derivationEventType;
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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DerivateView derivateView = null;
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if(AbstractUtility.getActivePart() instanceof DerivateView){
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derivateView = (DerivateView) AbstractUtility.getActivePart();
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}
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if(derivateView!=null){
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if(derivateView.isDirty()){
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e.doit = false;
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MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
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return;
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}
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}
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Object createdElement = null;
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Object selectedDerivate = selectedNode.getValue();
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if(selectedDerivate instanceof DnaSample && ((DnaSample) selectedDerivate).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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DnaSample dnaSample = (DnaSample)selectedDerivate;
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if(childClass.equals(Sequence.class)){
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Sequence newInstance = Sequence.NewInstance(dnaSample, "", 0);
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createdElement = newInstance;
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}
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}
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else if(selectedDerivate instanceof Sequence){
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SingleRead newInstance = SingleRead.NewInstance();
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((Sequence) selectedDerivate).addSingleRead(newInstance);
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createdElement = newInstance;
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}
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else if(selectedDerivate instanceof SpecimenOrObservationBase && DerivedUnit.class.isAssignableFrom(childClass)){
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SpecimenOrObservationBase<?> specimenOrObservationBase = (SpecimenOrObservationBase<?>)selectedDerivate;
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DerivedUnit derivedUnit;
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if(childClass.equals(DnaSample.class)){
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derivedUnit = DnaSample.NewInstance();
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if(specimenType==SpecimenOrObservationType.DnaSample){
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derivedUnit.setRecordBasis(SpecimenOrObservationType.DnaSample);
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}
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else if(specimenType==SpecimenOrObservationType.TissueSample){
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derivedUnit.setRecordBasis(SpecimenOrObservationType.TissueSample);
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}
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}
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else if(childClass.equals(MediaSpecimen.class)){
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derivedUnit = MediaSpecimen.NewInstance(specimenType);
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//a MediaSpecimen with no media attached does not make sense. Hence we add one
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((MediaSpecimen)derivedUnit).setMediaSpecimen(Media.NewInstance());
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}
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else{
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derivedUnit = DerivedUnit.NewInstance(specimenType);
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}
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specimenOrObservationBase.addDerivationEvent(DerivationEvent.NewSimpleInstance(specimenOrObservationBase, derivedUnit, derivationEventType));
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derivedUnit.setCacheStrategy(new DerivedUnitFacadeCacheStrategy());
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derivedUnit.getTitleCache(); //update title cache
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createdElement = derivedUnit;
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}
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//refresh view
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if(derivateView!=null){
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derivateView.getConversationHolder().commit();
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derivateView.refreshTree(createdElement);
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}
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}
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}
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}
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