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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;
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import javax.annotation.PreDestroy;
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import org.eclipse.e4.ui.di.PersistState;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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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.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.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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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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* @since Aug 10, 2017
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*
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*/
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public abstract class AbstractCdmEditorPartE4 implements IConversationEnabled, IDirtyMarkable, ISelectionElementEditingPart{
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protected Viewer viewer;
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protected MPart selectionProvidingPart;
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/** {@inheritDoc} */
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@Override
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public void changed(Object object) {
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if(selectionProvidingPart!=null){
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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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protected void showViewer(IStructuredSelection selection, MPart activePart, Viewer viewer){
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if(viewer!=null){
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Object element = selection.getFirstElement();
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if(selection.getFirstElement()!=null){
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viewer.setInput(element);
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}
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selectionProvidingPart = activePart;
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}
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}
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protected Object createPartObject(MPart activePart) {
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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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return partObject;
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}
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protected void showEmptyPage() {
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if(viewer!=null){
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viewer.setInput(null);
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}
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selectionProvidingPart = null;
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}
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protected IStructuredSelection createSelection(Object selection) {
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if(selection==null){
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return null;
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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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return structuredSelection;
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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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/**
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* {@inheritDoc}
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*/
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@Override
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public Object getSelectionProvidingPart() {
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return selectionProvidingPart;
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}
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@PreDestroy
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private void dispose() {
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}
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@PersistState
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private void persistState(){
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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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}
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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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}
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protected abstract String getViewName();
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}
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