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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.annotation.PreDestroy;
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import javax.inject.Inject;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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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 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.model.description.Feature;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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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.IDirtyMarkable;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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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 implements IConversationEnabled, IDirtyMarkable{
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private DetailsViewerE4 viewer;
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private MPart selectionProvidingPart;
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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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}
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@Inject
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@Optional
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public void selectionChanged(
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@Named(IServiceConstants.ACTIVE_SELECTION)Object selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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MPart thisPart){
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if(activePart==thisPart){
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return;
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}
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if(selection==null){
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showEmptyPage();
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return;
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}
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Object partObject = activePart;
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Object wrappedPart = WorkbenchUtility.getE4WrappedPart(activePart);
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if(wrappedPart!=null){
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partObject = wrappedPart;
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}
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IStructuredSelection structuredSelection;
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if(!(selection instanceof IStructuredSelection)){
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structuredSelection = new StructuredSelection(selection);
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}
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else{
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structuredSelection = (IStructuredSelection) selection;
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}
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if(structuredSelection.isEmpty()){
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showEmptyPage();
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return;
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}
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if((partObject instanceof IEditorPart) || (partObject instanceof IPartContentHasDetails)
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&& partObject instanceof IConversationEnabled) {
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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) ((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(structuredSelection);
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selectionProvidingPart = activePart;
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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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public void 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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protected String getViewName(){
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return Messages.DetailsViewPart_VIEWER_NAME;
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}
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public Viewer getViewer() {
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return viewer;
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}
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@PreDestroy
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public void dispose() {
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}
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public void showViewer(IStructuredSelection selection){
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if(getViewer()!=null){
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Object element = selection.getFirstElement();
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if(selection.getFirstElement()!=null){
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getViewer().setInput(element);
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}
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}
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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 update(CdmDataChangeMap arg0) {
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// TODO Auto-generated method stub
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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 ConversationHolder getConversationHolder() {
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if(selectionProvidingPart != null && selectionProvidingPart instanceof IConversationEnabled) {
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return ((IConversationEnabled) selectionProvidingPart).getConversationHolder();
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}
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return null;
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}
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/** {@inheritDoc} */
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@Override
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public void changed(Object object) {
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Object part = selectionProvidingPart.getObject();
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if(part instanceof IDirtyMarkable){
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((IDirtyMarkable) part).changed(object);
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}
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else {
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IEditorPart editor = AbstractUtility.getActiveEditor();
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if (editor != null && editor instanceof IDirtyMarkable) {
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((IDirtyMarkable) editor).changed(object);
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}
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}
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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 forceDirty() {
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// TODO Auto-generated method stub
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}
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}
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