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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.view.detail;
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import java.util.Collection;
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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.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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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.TreeNode;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IMemento;
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import org.eclipse.ui.IWorkbenchPart;
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import org.eclipse.ui.internal.e4.compatibility.CompatibilityPart;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
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import eu.etaxonomy.taxeditor.editor.ITaxonEditor;
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import eu.etaxonomy.taxeditor.l10n.Messages;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.model.IContextListener;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
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import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
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import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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/**
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* <p>DetailsViewPart class.</p>
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*
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* @author n.hoffmann
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* @created Jun 10, 2010
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* @version 1.0
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*/
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public class DetailsViewPart extends AbstractCdmEditorViewPart implements IPartContentHasSupplementalData, IContextListener{
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/** Constant <code>ID="eu.etaxonomy.taxeditor.editor.forms.det"{trunked}</code> */
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public static String ID = "eu.etaxonomy.taxeditor.view.detail"; //$NON-NLS-1$
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private DetailsViewer viewer;
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private CdmBase lastObject;
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private Object lastPart;
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/** {@inheritDoc} */
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@Override
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public void createViewer(Composite parent) {
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viewer = new DetailsViewer(parent, this);
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getSite().setSelectionProvider(viewer);
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}
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@Override
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protected void selectionChanged_internal(IWorkbenchPart workbenchPart, ISelection selection){
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Object partObject = workbenchPart;
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Object wrappedPart = WorkbenchUtility.getE4WrappedPart(partObject);
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if(wrappedPart!=null){
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partObject = wrappedPart;
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}
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if(AbstractUtility.getActiveE4Editor() == null && !(AbstractUtility.getActiveE4Part() instanceof IConversationEnabled)){
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showEmptyPage();
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return;
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}
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//special case where the details view still open with details about the closed object #5495
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try{
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boolean isSelectionProvidingPartStillActive = false;
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if(selectionProvidingPart!=null){
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EPartService partService = TaxeditorStorePlugin.getDefault().getWorkbench().getService(EPartService.class);
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Collection<MPart> parts = partService.getParts();
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for (MPart mPart : parts) {
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Object object = mPart.getObject();
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if(object instanceof CompatibilityPart){
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object = ((CompatibilityPart) object).getPart();
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}
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if(selectionProvidingPart.equals(object)){
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isSelectionProvidingPartStillActive = true;
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break;
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}
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}
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if(!isSelectionProvidingPartStillActive &&
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selection instanceof IStructuredSelection && ((IStructuredSelection) selection).getFirstElement() !=null){
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showEmptyPage();
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return;
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}
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}
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}catch(IllegalStateException e){
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//nothing
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}
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if(partObject == this){
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return;
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}
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if(!(selection instanceof IStructuredSelection)){
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return;
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}
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IStructuredSelection structuredSelection = (IStructuredSelection) selection;
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if((partObject instanceof IEditorPart) || (partObject instanceof IPartContentHasDetails)) {
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if(structuredSelection.size() != 1){
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showEmptyPage();
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return;
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}
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// do not show details for feature nodes TODO really?
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if(structuredSelection.getFirstElement() instanceof FeatureNodeContainer){
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// do show the map for distributions
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Feature feature = ((FeatureNodeContainer) ((IStructuredSelection) selection).getFirstElement()).getFeature();
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if(!feature.equals(Feature.DISTRIBUTION())){
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showEmptyPage();
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return;
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}
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}
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showViewer(partObject, structuredSelection);
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}else{
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showEmptyPage();
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}
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}
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@Override
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protected String getViewName(){
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return Messages.DetailsViewPart_VIEWER_NAME;
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}
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@Override
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protected String createPartTitle(Object selectedObject){
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if(selectedObject!=null){
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if(selectedObject instanceof TreeNode){
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selectedObject = ((TreeNode) selectedObject).getValue();
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}
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if(selectedObject instanceof SpecimenOrObservationBase){
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return getViewName()+": "+HibernateProxyHelper.deproxy(selectedObject, SpecimenOrObservationBase.class).getRecordBasis(); //$NON-NLS-1$
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}
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if(selectedObject instanceof CdmBase){
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return getViewName()+": "+HibernateProxyHelper.deproxy(selectedObject, CdmBase.class).getClass().getSimpleName(); //$NON-NLS-1$
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}
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return getViewName()+": "+selectedObject.getClass().getSimpleName(); //$NON-NLS-1$
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}
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return getViewName();
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}
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@Override
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public void showEmptyPage() {
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viewer.setSelection(null);
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super.showEmptyPage();
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}
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/** {@inheritDoc} */
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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viewer.setInput(objectAffectedByOperation);
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return super.postOperation(objectAffectedByOperation);
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}
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/** {@inheritDoc} */
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@Override
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public Viewer getViewer() {
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return viewer;
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}
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/** {@inheritDoc} */
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@Override
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public void dispose() {
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selectionService.removePostSelectionListener(this);
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super.dispose();
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}
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@Override
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public boolean onComplete() {
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return true;
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}
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/**
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* {@inheritDoc}
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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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/**
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* {@inheritDoc}
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*/
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@Override
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public void contextStop(IMemento memento, IProgressMonitor monitor) {
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showEmptyPage();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void contextStart(IMemento memento, IProgressMonitor monitor) {
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}
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/**
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* {@inheritDoc}
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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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/**
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* {@inheritDoc}
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*/
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@Override
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public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
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}
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@Override
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public void showViewer(Object part, IStructuredSelection selection){
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this.part = part;
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Object element = selection.getFirstElement();
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// if (part == lastPart && element == lastObject ){
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// getViewer().setInput(element);
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// return;
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// }else{
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// lastPart = part;
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// if (element instanceof CdmBase){
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// lastObject = (CdmBase)element;
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// }else{
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// lastObject = null;
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// }
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// }
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//avoid widget is disposed exceptions
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if (getViewer().getControl()==null || getViewer().getControl().isDisposed() ){
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return;
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}
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setPartName(createPartTitle(element));
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if (element instanceof Taxon){
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Taxon taxon = HibernateProxyHelper.deproxy(element, Taxon.class);
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if (taxon.isMisapplication()){
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if (part instanceof ITaxonEditor){
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Taxon accepted= ((ITaxonEditor)part).getTaxon();
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Set<TaxonRelationship> rels = taxon.getTaxonRelations(accepted);
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if (rels.iterator().hasNext()){
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TaxonRelationship rel = rels.iterator().next();
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if (rel.getType().equals(TaxonRelationshipType.MISAPPLIED_NAME_FOR())){
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getViewer().setInput(rel);
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showViewer();
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return;
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}
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}
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}
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}
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}
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if (element instanceof Object[] && ((Object[])element).length == 0){
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return;
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}
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getViewer().setInput(element);
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super.showViewer(part, selection);
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}
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}
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