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package eu.etaxonomy.taxeditor.editor.view.derivate;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Map.Entry;
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import java.util.Set;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.jface.action.MenuManager;
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import org.eclipse.jface.util.LocalSelectionTransfer;
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import org.eclipse.jface.viewers.AbstractTreeViewer;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.swt.widgets.Tree;
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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.IEditorSite;
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import org.eclipse.ui.IMemento;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.part.EditorPart;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
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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.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.model.IContextListener;
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import eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
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import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
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import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateLabelProvider;
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/**
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* Displays the derivate hierarchy of the specimen specified in the editor input.
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*
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*/
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public class DerivateView extends EditorPart implements IPartContentHasFactualData, IDirtyMarkableSelectionProvider,
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IConversationEnabled, IPartContentHasDetails, IPartContentHasMedia, IPartContentHasSupplementalData,
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IContextListener, ISelectionChangedListener {
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/**
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* Key used for storing a single DerivateView in a memento
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*/
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private static final String DERIVATE_VIEW_MEMENTO_KEY = "derivateView";
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/**
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* Key to to group mementos for every single DerivateView
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*/
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private static final String DERIVATE_VIEWS_MEMENTO_KEY = "derivateViews";
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public static final String ID = "eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView";
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private ConversationHolder conversation;
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private TreeViewer viewer;
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private boolean isDirty;
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private final int dndOperations = DND.DROP_MOVE;
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private DerivateLabelProvider labelProvider;
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private Set<SingleRead> multiLinkSingleReads;
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private ISelection selection = null;
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/**
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* Default constructor
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*/
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public DerivateView() {
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CdmStore.getContextManager().addContextListener(this);
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
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*/
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@Override
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public void createPartControl(Composite parent) {
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viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
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viewer.setContentProvider(new DerivateContentProvider());
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labelProvider = new DerivateLabelProvider();
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labelProvider.setConversation(conversation);
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viewer.setLabelProvider(labelProvider);
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viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
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// Propagate selection from viewer
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getSite().setSelectionProvider(viewer);
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//listen to selection changes
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viewer.addSelectionChangedListener(this);
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//create context menu
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MenuManager menuManager = new MenuManager();
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getSite().registerContextMenu(menuManager, viewer);
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Control control = viewer.getControl();
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Menu menu = menuManager.createContextMenu(control);
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control.setMenu(menu);
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generateMultiLinkSingleReads();
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labelProvider.setMultiLinkSingleReads(multiLinkSingleReads);
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IEditorInput editorInput = getEditorInput();
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viewer.setInput(editorInput);
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if(editorInput instanceof DerivateViewEditorInput){
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SpecimenOrObservationBase<?> specimen = ((DerivateViewEditorInput) editorInput).getDerivate();
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SpecimenOrObservationBase<?> rootElement = ((DerivateViewEditorInput) editorInput).getRootElement();
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setPartName(labelProvider.getDerivateText(rootElement));
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viewer.setSelection(new StructuredSelection(new TreeNode(specimen)));
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}
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//add drag'n'drop support
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Transfer[] transfers = new Transfer[] {LocalSelectionTransfer.getTransfer(),};
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viewer.addDragSupport(dndOperations, transfers, new DerivateDragListener(this));
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viewer.addDropSupport(dndOperations, transfers, new DerivateDropListener(this));
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void doSave(IProgressMonitor monitor) {
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monitor.beginTask("Saving Derivates", 3);
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if (!conversation.isBound()) {
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conversation.bind();
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}
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monitor.worked(1);
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// commit the conversation and start a new transaction immediately
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conversation.commit(true);
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monitor.worked(1);
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this.setDirty(false);
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monitor.worked(1);
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monitor.done();
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firePropertyChange(PROP_DIRTY);
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refreshTree();
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#doSaveAs()
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*/
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@Override
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public void doSaveAs() {
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#getTitleToolTip()
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*/
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@Override
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public String getTitleToolTip() {
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return "Derivate View";
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
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*/
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@Override
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public void init(IEditorSite site, IEditorInput input) throws PartInitException {
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setSite(site);
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setInput(input);
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if(input instanceof DerivateViewEditorInput){
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conversation = ((DerivateViewEditorInput) input).getConversationHolder();
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}
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#isDirty()
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*/
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@Override
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public boolean isDirty() {
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return isDirty;
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}
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/**
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* @param isDirty the isDirty to set
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*/
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public void setDirty(boolean isDirty) {
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this.isDirty = isDirty;
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.EditorPart#isSaveAsAllowed()
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*/
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@Override
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public boolean isSaveAsAllowed() {
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return false;
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}
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/* (non-Javadoc)
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* @see org.eclipse.ui.part.WorkbenchPart#setFocus()
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*/
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@Override
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public void setFocus() {
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viewer.getControl().setFocus();
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//make sure to bind again if maybe in another view the conversation was unbound
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if(!conversation.isBound()){
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conversation.bind();
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
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*/
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@Override
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public void update(CdmDataChangeMap changeEvents) {
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
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*/
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@Override
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public ConversationHolder getConversationHolder() {
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return conversation;
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}
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/**
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* @return the viewer
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*/
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public TreeViewer getViewer() {
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return viewer;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#changed(java.lang.Object)
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*/
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@Override
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public void changed(Object element) {
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setDirty(true);
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firePropertyChange(IEditorPart.PROP_DIRTY);
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viewer.refresh();
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}
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/**
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* Refreshes the derivate hierarchy tree
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*/
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public void refreshTree(){
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generateMultiLinkSingleReads();
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labelProvider.setMultiLinkSingleReads(multiLinkSingleReads);
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viewer.refresh();
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}
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private void generateMultiLinkSingleReads() {
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Set<SingleRead> multiLinkSingleReads = new HashSet<SingleRead>();
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for(Entry<SingleRead, Collection<Sequence>> entry:CdmStore.getService(ISequenceService.class).getSingleReadSequencesMap().entrySet()){
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if(entry.getValue().size()>1){
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multiLinkSingleReads.add(entry.getKey());
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}
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}
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this.multiLinkSingleReads = multiLinkSingleReads;
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}
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/**
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* @return a set of {@link SingleRead}s that have multiple parents
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*/
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public Set<SingleRead> getMultiLinkSingleReads() {
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return this.multiLinkSingleReads;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextAboutToStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void contextStop(IMemento memento, IProgressMonitor monitor) {
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextStart(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void contextStart(IMemento memento, IProgressMonitor monitor) {
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// if(memento == null){
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// return;
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// }
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// IMemento editorMementos = memento.getChild(DERIVATE_VIEW_MEMENTO_KEY);
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// DerivateViewEditorInput input = new DerivateViewEditorInput(UUID.fromString(editorInput.getString(DerivateViewEditorInput.UUID_MEMENTO_KEY)));
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// try {
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// EditorUtil.open(input);
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// } catch (PartInitException e) {
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// AbstractUtility.error(getClass(), "Error opening an editor window", e);
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// }
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextRefresh(org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void contextRefresh(IProgressMonitor monitor) {
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#workbenchShutdown(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
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// if (!conversation.isBound()) {
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// conversation.bind();
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// }
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// conversation.close();
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// if(memento == null){
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// return;
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// }
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//
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// IEditorInput input = getEditorInput();
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// if(input instanceof IPersistable){
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// memento.createChild(DERIVATE_VIEW_MEMENTO_KEY);
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// ((IPersistable) input).saveState(memento);
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// }
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
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*/
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@Override
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public void selectionChanged(SelectionChangedEvent event) {
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this.selection = event.getSelection();
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}
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/**
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* @return the selection
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*/
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public ISelection getSelection() {
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return selection;
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}
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}
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