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// $Id$
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/**
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* Copyright (C) 2017 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.e4.details;
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import javax.annotation.PostConstruct;
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import javax.inject.Inject;
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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.ESelectionService;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.swt.widgets.Composite;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.model.description.Feature;
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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.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
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import eu.etaxonomy.taxeditor.workbench.part.ISelectionElementEditingPart;
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/**
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* @author pplitzner
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* @date 18.07.2017
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*
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*/
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public class DetailsPartE4 extends AbstractCdmEditorPartE4{
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private ISelectionChangedListener selectionChangedListener;
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@Inject
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private ESelectionService selService;
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@Inject
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public DetailsPartE4() {
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}
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@PostConstruct
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public void create(Composite parent) {
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viewer = new DetailsViewerE4(parent, this);
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// Propagate selection from viewer
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selectionChangedListener = (event -> selService.setSelection(AbstractUtility.getElementsFromSelectionChangedEvent(event)));
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viewer.addSelectionChangedListener(selectionChangedListener);
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}
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@Override
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public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
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if (activePart==thisPart){
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return;
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}
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Object partObject = createPartObject(activePart);
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if(partObject instanceof IPartContentHasDetails){
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IStructuredSelection structuredSelection = createSelection(selection);
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if(structuredSelection==null || structuredSelection.isEmpty()){
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showEmptyPage();
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return;
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}
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if(!(partObject instanceof ISelectionElementEditingPart) &&
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partObject instanceof IConversationEnabled && ((IConversationEnabled) partObject).getConversationHolder()==null) {
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//TODO show specific message (refactor EmptyElement to allow specific messages)
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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 strange check to avoid having shown the distribution map for every FeatureNodeContainer
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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) structuredSelection.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(structuredSelection, activePart, viewer);
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return;
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}
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else if(selectionProvidingPart!=null && selectionProvidingPart.isVisible()){
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return;
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}
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else{
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showEmptyPage();
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return;
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}
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}
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// protected void showEmptyPage() {
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// super.showEmptyPage();
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// if(viewer!=null){
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// viewer.showEmptyPage();
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// }
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// selectionProvidingPart = null;
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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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}
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