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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.navigation.navigator;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Observable;
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import java.util.Observer;
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import java.util.Set;
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import java.util.UUID;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.jface.viewers.DoubleClickEvent;
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import org.eclipse.jface.viewers.TreePath;
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import org.eclipse.ui.IMemento;
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import org.eclipse.ui.IViewSite;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.navigator.CommonNavigator;
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import eu.etaxonomy.cdm.api.application.CdmApplicationState;
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import eu.etaxonomy.cdm.api.application.CdmChangeEvent;
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import eu.etaxonomy.cdm.api.application.ICdmChangeListener;
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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.IClassificationService;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.ITreeNode;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNaturalComparator;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNodeByNameComparator;
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import eu.etaxonomy.cdm.model.taxon.TaxonNodeByRankAndNameComparator;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.model.DataChangeBridge;
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import eu.etaxonomy.taxeditor.model.IDataChangeBehavior;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.LoginManager;
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/**
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* Taxonomic tree implementation using Common Navigator Framework.
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*
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* @author p.ciardelli
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* @author n.hoffmann
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* @created 02.06.2009
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* @version 1.0+-
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*/
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public class TaxonNavigator extends CommonNavigator implements
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IPostOperationEnabled, IConversationEnabled, Observer,
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ICdmEntitySessionEnabled, ICdmChangeListener {
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private static final String RESTORING_TAXON_NAVIGATOR = Messages.TaxonNavigator_RESTORE;
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/**
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* Constant
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* <code>ID="eu.etaxonomy.taxeditor.navigation.navig"{trunked}</code>
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*/
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public static final String ID = "eu.etaxonomy.taxeditor.navigation.navigator"; //$NON-NLS-1$
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private static final String TREE_PATH = "treepath"; //$NON-NLS-1$
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private static final String TREE_PATHS = "treepaths"; //$NON-NLS-1$
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private ConversationHolder conversation;
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private ICdmEntitySession cdmEntitySession;
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private String partNameCache;
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private IDataChangeBehavior dataChangeBehavior;
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private Root root;
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.ui.navigator.CommonNavigator#getInitialInput()
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*/
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/** {@inheritDoc} */
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@Override
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protected IAdaptable getInitialInput() {
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Comparator<TaxonNode> comparator;
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if (PreferencesUtil.getSortNodesNaturally()){
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comparator = new TaxonNaturalComparator();
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} else if (PreferencesUtil.getSortNodesStrictlyAlphabetically()){
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comparator = new TaxonNodeByNameComparator();
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}else {
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comparator = new TaxonNodeByRankAndNameComparator();
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}
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TaxonNodeNavigatorComparator viewerComparator = new TaxonNodeNavigatorComparator(comparator);
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this.getCommonViewer().setComparator(viewerComparator);
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//this.getCommonViewer().setAutoExpandLevel(2);
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setLinkingEnabled(true);
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// this.getCommonViewer().addSelectionChangedListener(new ISelectionChangedListener() {
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//
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// @Override
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// public void selectionChanged(SelectionChangedEvent arg0) {
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// IStructuredSelection selection = (IStructuredSelection) getCommonViewer().getSelection();
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//
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// Object firstElement = selection.getFirstElement();
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// //
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// if (!(firstElement instanceof Classification)){
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// //NavigationUtil.selectInNavigator(firstElement, null);
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// NavigationUtil.openEditor(firstElement);
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// }
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//
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// }
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// } );
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if (CdmStore.isActive()) {
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// TODO when closing and reopening the taxon navigator
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// we do not preserve state. Closing the view, in contrary to
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// closing the whole application
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// should be handled by the state manager too
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root = new Root(conversation);
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return root;
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}
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return new EmptyRoot();
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}
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/** {@inheritDoc} */
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@Override
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public void init(IViewSite site) throws PartInitException {
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super.init(site);
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init();
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}
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/**
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* <p>
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* init
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* </p>
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*/
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public void init() {
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if (CdmStore.isActive() && conversation == null) {
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conversation = CdmStore.createConversation();
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conversation.registerForDataStoreChanges(TaxonNavigator.this);
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}
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if (CdmStore.isActive()) {
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cdmEntitySession = CdmStore.getCurrentSessionManager().newSession(this, true);
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CdmApplicationState.getCurrentDataChangeService().register(this);
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}
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CdmStore.getLoginManager().addObserver(this);
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}
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/**
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* Refresh this navigators viewer
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*/
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public void refresh() {
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if(getConversationHolder() != null){
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getConversationHolder().bind();
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//FIXME : Need to make sure this is a stable fix (ticket 3822)
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if(!getConversationHolder().isCompleted()){
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getConversationHolder().commit();
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}
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}
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if(!getCommonViewer().getTree().isDisposed()){
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getCommonViewer().refresh();
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}
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}
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/**
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* Refresh this navigators viewer
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*/
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public void refresh(Set<?> objects) {
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for(Object obj : objects) {
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getCommonViewer().refresh(obj);
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}
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}
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/**
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* Removes all content
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*/
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public void clear() {
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getCommonViewer().setInput(new EmptyRoot());
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}
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/**
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* <p>
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* restore
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* </p>
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*
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* @param memento
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* a {@link org.eclipse.ui.IMemento} object.
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* @param monitor
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* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
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*/
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public void restore(IMemento memento, IProgressMonitor monitor) {
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root = new Root(conversation);
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if (memento == null) {
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getCommonViewer().setInput(root);
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return;
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}
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int mementoWork = 0;
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Set<TreePath> treePaths = new HashSet<TreePath>();
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IMemento[] treePathMementos = null;
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IMemento treePathsMemento = memento.getChild(TREE_PATHS);
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if (treePathsMemento != null) {
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treePathMementos = treePathsMemento.getChildren(TREE_PATH);
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mementoWork = treePathMementos.length;
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}
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// begin the monitor with steps for all tree paths and steps for
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// creating
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// conversation s.o., refreshing the tree and setting the paths
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IProgressMonitor subProgressMonitor = NavigationUtil
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.getSubProgressMonitor(monitor, 1);
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subProgressMonitor.beginTask(RESTORING_TAXON_NAVIGATOR,
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1 + mementoWork + 5);
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subProgressMonitor.subTask(RESTORING_TAXON_NAVIGATOR);
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subProgressMonitor.worked(1);
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conversation = CdmStore.createConversation();
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subProgressMonitor.worked(1);
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conversation.registerForDataStoreChanges(TaxonNavigator.this);
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subProgressMonitor.worked(1);
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getCommonViewer().setInput(root);
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subProgressMonitor.worked(1);
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getCommonViewer().refresh();
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subProgressMonitor.worked(1);
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if (treePathMementos != null && treePathMementos.length > 0) {
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for (IMemento treePathMemento : treePathMementos) {
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TreePath treePath = createTreePathFromString(treePathMemento
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.getID());
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if (!subProgressMonitor.isCanceled() && treePath != null) {
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treePaths.add(treePath);
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subProgressMonitor.worked(1);
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}
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}
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}
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if (treePaths.size() > 0) {
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TaxonNavigator.this.getCommonViewer().setExpandedTreePaths(
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treePaths.toArray(new TreePath[0]));
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subProgressMonitor.worked(1);
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}
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subProgressMonitor.done();
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}
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/**
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* @param string
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* @return
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*/
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private TreePath createTreePathFromString(String string) {
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List<CdmBase> pathList = new ArrayList<CdmBase>();
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if (string.length() == 0) {
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return null;
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}
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for (String uuid : string.split(" ")) { //$NON-NLS-1$
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CdmBase cdmBaseObject = CdmStore.getService(
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IClassificationService.class).getTaxonNodeByUuid(
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UUID.fromString(uuid));
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if (cdmBaseObject == null) {
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// is this a tree uuid?
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cdmBaseObject = CdmStore.getService(
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IClassificationService.class).load(
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UUID.fromString(uuid));
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if (cdmBaseObject == null) {
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return null;
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}
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}
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pathList.add(cdmBaseObject);
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}
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return new TreePath(pathList.toArray());
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}
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/** {@inheritDoc} */
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@Override
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public void saveState(IMemento aMemento) {
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//
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}
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/**
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* <p>
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* saveTreeState
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* </p>
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*
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* @param memento
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* a {@link org.eclipse.ui.IMemento} object.
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* @param progressMonitor
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* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
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*/
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public void saveTreeState(IMemento memento, IProgressMonitor progressMonitor) {
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if (memento == null) {
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return;
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}
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IProgressMonitor monitor = NavigationUtil.getSubProgressMonitor(
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progressMonitor, 1);
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super.saveState(memento);
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memento = memento.createChild(TREE_PATHS);
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TreePath[] treePaths = this.getCommonViewer().getExpandedTreePaths();
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monitor.beginTask(Messages.TaxonNavigator_SAVE_TASK, treePaths.length);
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for (TreePath treePath : treePaths) {
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int pathLength = treePath.getSegmentCount();
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String path = ""; //$NON-NLS-1$
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for (int i = 0; i < pathLength; i++) {
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Object segment = treePath.getSegment(i);
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if (segment instanceof CdmBase) {
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path += ((CdmBase) segment).getUuid().toString() + " "; //$NON-NLS-1$
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monitor.worked(1);
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} else {
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MessagingUtils.warn(getClass(),
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"Non-taxon tree path segment " + segment); //$NON-NLS-1$
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}
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}
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memento.createChild(TREE_PATH, path.trim());
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}
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monitor.done();
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder
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* ()
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*/
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/**
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* <p>
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* getConversationHolder
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* </p>
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*
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* @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
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* object.
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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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* (non-Javadoc)
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*
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* @see
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* eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update
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* (eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
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*/
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/** {@inheritDoc} */
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@Override
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public void update(CdmDataChangeMap changeEvents) {
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if (dataChangeBehavior == null) {
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dataChangeBehavior = new TaxonNavigatorDataChangeBehavior(this);
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}
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DataChangeBridge.handleDataChange(changeEvents, dataChangeBehavior);
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}
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/** {@inheritDoc} */
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@Override
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public String getFrameToolTipText(Object element) {
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if (element instanceof Root) {
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return Messages.TaxonNavigator_TAXON_TREE;
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}
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return super.getFrameToolTipText(element);
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.ui.part.WorkbenchPart#dispose()
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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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super.dispose();
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dataChangeBehavior = null;
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if (conversation != null) {
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conversation.unregisterForDataStoreChanges(this);
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.dispose();
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}
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if(CdmApplicationState.getCurrentDataChangeService() != null) {
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CdmApplicationState.getCurrentDataChangeService().unregister(this);
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.ui.navigator.CommonNavigator#setFocus()
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*/
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/** {@inheritDoc} */
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@Override
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public void setFocus() {
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// logger.warn("Setting focus to navigator");
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super.setFocus();
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if (getConversationHolder() != null) {
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getConversationHolder().bind();
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.bind();
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation
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* (eu.etaxonomy.cdm.model.common.CdmBase)
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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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// nothing to do here
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return true;
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}
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/**
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* <p>
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* save
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* </p>
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*
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* @param memento
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449
|
* a {@link org.eclipse.ui.IMemento} object.
|
450
|
* @param monitor
|
451
|
* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
|
452
|
*/
|
453
|
public void save(IMemento memento, IProgressMonitor monitor) {
|
454
|
saveTreeState(memento, monitor);
|
455
|
if (conversation != null) {
|
456
|
conversation.unregisterForDataStoreChanges(this);
|
457
|
conversation = null;
|
458
|
}
|
459
|
}
|
460
|
|
461
|
/** {@inheritDoc} */
|
462
|
@Override
|
463
|
protected void handleDoubleClick(DoubleClickEvent event) {
|
464
|
// ISelection selection = event.getSelection();
|
465
|
// if(selection instanceof IStructuredSelection){
|
466
|
// Object firstElement = ((IStructuredSelection) selection).getFirstElement();
|
467
|
// if(firstElement instanceof ICdmBase){
|
468
|
// NavigationUtil.openEditor((ICdmBase) firstElement, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
|
469
|
// }
|
470
|
// }
|
471
|
// If the double click is passed up to the super-class it will
|
472
|
// expand/collapse trees.
|
473
|
// We do not want that
|
474
|
// super.handleDoubleClick(anEvent);
|
475
|
}
|
476
|
|
477
|
/**
|
478
|
* <p>
|
479
|
* onComplete
|
480
|
* </p>
|
481
|
*
|
482
|
* @return a boolean.
|
483
|
*/
|
484
|
@Override
|
485
|
public boolean onComplete() {
|
486
|
return true;
|
487
|
}
|
488
|
|
489
|
/*
|
490
|
* (non-Javadoc)
|
491
|
*
|
492
|
* @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
|
493
|
*/
|
494
|
/** {@inheritDoc} */
|
495
|
@Override
|
496
|
public void showBusy(boolean busy) {
|
497
|
super.showBusy(busy);
|
498
|
getCommonViewer().getControl().setEnabled(!busy);
|
499
|
if (busy) {
|
500
|
partNameCache = getPartName();
|
501
|
setPartName(Messages.TaxonNavigator_LOAD_DATASOURCE);
|
502
|
} else {
|
503
|
if (partNameCache != null) {
|
504
|
setPartName(partNameCache);
|
505
|
}
|
506
|
}
|
507
|
}
|
508
|
|
509
|
|
510
|
/* (non-Javadoc)
|
511
|
* @see java.util.Observer#update(java.util.Observable, java.lang.Object)
|
512
|
*/
|
513
|
@Override
|
514
|
public void update(Observable o, Object arg) {
|
515
|
if(o instanceof LoginManager){
|
516
|
refresh();
|
517
|
}
|
518
|
|
519
|
}
|
520
|
|
521
|
/* (non-Javadoc)
|
522
|
* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getCdmEntitySession()
|
523
|
*/
|
524
|
@Override
|
525
|
public ICdmEntitySession getCdmEntitySession() {
|
526
|
return cdmEntitySession;
|
527
|
}
|
528
|
|
529
|
/* (non-Javadoc)
|
530
|
* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getRootEntities()
|
531
|
*/
|
532
|
@Override
|
533
|
public List<ITreeNode> getRootEntities() {
|
534
|
if(root != null) {
|
535
|
return root.getParentBeans();
|
536
|
}
|
537
|
return null;
|
538
|
}
|
539
|
|
540
|
/* (non-Javadoc)
|
541
|
* @see eu.etaxonomy.cdm.api.application.ICdmChangeListener#onChange(eu.etaxonomy.cdm.api.application.CdmChangeEvent)
|
542
|
*/
|
543
|
@Override
|
544
|
public void onChange(CdmChangeEvent event) {
|
545
|
// if(event.getAction() == Action.Delete && Classification.class.equals(event.getEntityType())) {
|
546
|
// refresh();
|
547
|
// return;
|
548
|
// }
|
549
|
refresh();
|
550
|
for(CdmBase cb : event.getChangedObjects()) {
|
551
|
if(cb instanceof TaxonNode) {
|
552
|
TaxonNode tn = (TaxonNode)cb;
|
553
|
if(tn.getTaxon() == null) {
|
554
|
getCommonViewer().refresh(tn.getClassification());
|
555
|
} else {
|
556
|
getCommonViewer().refresh(cb);
|
557
|
}
|
558
|
} else if (cb instanceof Classification) {
|
559
|
getCommonViewer().refresh();
|
560
|
}
|
561
|
}
|
562
|
|
563
|
}
|
564
|
|
565
|
/* (non-Javadoc)
|
566
|
* @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getPropertyPathsMap()
|
567
|
*/
|
568
|
@Override
|
569
|
public Map<Object, List<String>> getPropertyPathsMap() {
|
570
|
Map<Object, List<String>> propertyPathsMap = new HashMap<Object, List<String>>();
|
571
|
List<String> taxonNodePropertyPaths = Arrays.asList(new String[] {
|
572
|
"taxon.name" //$NON-NLS-1$
|
573
|
});
|
574
|
propertyPathsMap.put("childNodes", taxonNodePropertyPaths); //$NON-NLS-1$
|
575
|
return propertyPathsMap;
|
576
|
}
|
577
|
}
|