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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.e4;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.HashSet;
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import java.util.List;
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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 javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import javax.inject.Inject;
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import org.eclipse.core.commands.operations.UndoContext;
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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.e4.core.contexts.ContextInjectionFactory;
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import org.eclipse.e4.core.contexts.IEclipseContext;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.di.Focus;
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import org.eclipse.e4.ui.di.UIEventTopic;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.MApplication;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
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import org.eclipse.e4.ui.model.application.ui.menu.MToolBarElement;
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import org.eclipse.e4.ui.model.application.ui.menu.impl.HandledToolItemImpl;
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import org.eclipse.e4.ui.services.EMenuService;
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import org.eclipse.e4.ui.workbench.modeling.EModelService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.util.LocalSelectionTransfer;
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import org.eclipse.jface.viewers.IElementComparer;
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import org.eclipse.jface.viewers.ISelection;
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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.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.TreePath;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.layout.FillLayout;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Tree;
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import org.eclipse.ui.IMemento;
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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.CdmChangeEvent.Action;
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import eu.etaxonomy.cdm.api.application.ICdmChangeListener;
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import eu.etaxonomy.cdm.api.service.IClassificationService;
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import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.ICdmBase;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
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import eu.etaxonomy.taxeditor.editor.ITaxonEditor;
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import eu.etaxonomy.taxeditor.editor.name.e4.TaxonEditor;
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import eu.etaxonomy.taxeditor.event.EventUtility;
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import eu.etaxonomy.taxeditor.event.WorkbenchEventConstants;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.IContextListener;
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import eu.etaxonomy.taxeditor.model.IDataChangeBehavior;
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import eu.etaxonomy.taxeditor.navigation.AppModelId;
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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.navigation.navigator.EmptyRoot;
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import eu.etaxonomy.taxeditor.navigation.navigator.Root;
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import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNodeNavigatorComparator;
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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.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.LoginManager;
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import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
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import eu.etaxonomy.taxeditor.workbench.part.ICollapsableExpandable;
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/**
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* @author pplitzner
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* @since Sep 7, 2017
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*/
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public class TaxonNavigatorE4 implements
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IPostOperationEnabled, Observer,
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ICdmChangeListener, IContextListener,
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ICollapsableExpandable {
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private static final String RESTORING_TAXON_NAVIGATOR = Messages.TaxonNavigator_RESTORE;
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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 final int dndOperations = DND.DROP_MOVE;
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private IDataChangeBehavior dataChangeBehavior;
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private Root root;
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private TreeViewer viewer;
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@Inject
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private ESelectionService selService;
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@Inject
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private UISynchronize sync;
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private ISelectionChangedListener selectionChangedListener;
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private UndoContext undoContext;
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@Inject
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private MApplication application;
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@Inject
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private EModelService modelService;
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@Inject
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private EPartService partService;
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private boolean linkWithTaxon = false;
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@Inject
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public TaxonNavigatorE4() {
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undoContext = new UndoContext();
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CdmStore.getContextManager().addContextListener(this);
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}
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@PostConstruct
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private void create(Composite parent, EMenuService menuService, IEclipseContext context){
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FillLayout layout = new FillLayout();
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layout.marginHeight = 0;
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layout.marginWidth = 0;
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layout.type = SWT.VERTICAL;
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parent.setLayout(layout);
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viewer = new TreeViewer(new Tree(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI));
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viewer.getControl().setLayoutData(LayoutConstants.FILL());
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viewer.setContentProvider(new TaxonNavigatorContentProviderE4());
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viewer.setLabelProvider(new TaxonNavigatorLabelProviderE4());
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viewer.addDoubleClickListener(event->{
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ISelection selection = event.getSelection();
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if(selection instanceof IStructuredSelection){
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Object firstElement = ((IStructuredSelection) selection).getFirstElement();
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if(firstElement instanceof ICdmBase){
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NavigationUtil.openEditor((ICdmBase) firstElement, viewer.getControl().getShell(), modelService, partService, application);
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}
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if(firstElement instanceof TaxonNodeDto){
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NavigationUtil.openEditor((TaxonNodeDto) firstElement, viewer.getControl().getShell(), modelService, partService, application);
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}
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}
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});
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//propagate selection
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selectionChangedListener = (event -> selService.setSelection(event.getSelection()));
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viewer.addSelectionChangedListener(selectionChangedListener);
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//create context menu
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menuService.registerContextMenu(viewer.getControl(), AppModelId.POPUPMENU_EU_ETAXONOMY_TAXEDITOR_NAVIGATOR_POPUPMENU_TAXONNAVIGATOR );
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//add drag'n'drop support
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Transfer[] transfers = new Transfer[] {LocalSelectionTransfer.getTransfer()};
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viewer.addDragSupport(dndOperations, transfers, new TreeNodeDragListenerE4(viewer));
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TreeNodeDropAdapterE4 dropAdapter = new TreeNodeDropAdapterE4(this);
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ContextInjectionFactory.inject(dropAdapter, context);
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viewer.addDropSupport(dndOperations, transfers, dropAdapter);
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updateSyncButton();
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init();
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}
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protected void updateSyncButton() {
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MPart viewPart = partService.findPart(AppModelId.PARTDESCRIPTOR_EU_ETAXONOMY_TAXEDITOR_NAVIGATION_NAVIGATOR);
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if(viewPart!=null){
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MToolBar toolBar = viewPart.getToolbar();
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List<MToolBarElement> toolBarElements = toolBar.getChildren();
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MToolBarElement upperHandledMenuItem = toolBarElements.get(1);
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if (upperHandledMenuItem instanceof HandledToolItemImpl){
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((HandledToolItemImpl)upperHandledMenuItem).setSelected(linkWithTaxon);
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}
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}
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}
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protected IAdaptable getInitialInput() {
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Comparator<TaxonNodeDto> comparator = PreferencesUtil.getNodeComparator();
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TaxonNodeNavigatorComparator viewerComparator = new TaxonNodeNavigatorComparator(comparator);
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viewer.setComparator(viewerComparator);
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viewer.setComparer(new IElementComparer() {
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@Override
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public int hashCode(Object element) {
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if (element instanceof TaxonNodeDto){
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TaxonNodeDto nodeDto = (TaxonNodeDto)element;
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String s = nodeDto.getUuid().toString();
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if (s != null) {
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return s.hashCode();
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}
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return element.hashCode();
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}else{
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return element.toString().hashCode();
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}
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}
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@Override
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public boolean equals(Object element1, Object element2) {
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if (element1 instanceof TaxonNodeDto && element2 instanceof TaxonNodeDto){
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TaxonNodeDto node1 = (TaxonNodeDto)element1;
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TaxonNodeDto node2 = (TaxonNodeDto)element2;
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return (node1.getUuid().equals(node2.getUuid()));
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}else {
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return element1.equals(element2);
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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();
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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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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(TaxonNavigatorE4.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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viewer.setInput(getInitialInput());
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}
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CdmStore.getLoginManager().addObserver(this);
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}
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//Link with taxon selection
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@Inject
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@Optional
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public void updateCurrentTaxon(@UIEventTopic(WorkbenchEventConstants.CURRENT_ACTIVE_EDITOR)ITaxonEditor editor){
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if(linkWithTaxon && editor!=null){
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viewer.refresh();
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TaxonNodeDto taxonNode = null;
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if(editor.getTaxon()!=null && editor.getTaxon().getTaxonNodes()!=null){
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if (editor instanceof TaxonEditor){
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taxonNode = new TaxonNodeDto( ((TaxonEditor)editor).getEditorInput().getTaxonNode());
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}else{
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if (editor.getTaxon().getTaxonNodes() != null && !editor.getTaxon().getTaxonNodes().isEmpty()){
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taxonNode = new TaxonNodeDto(editor.getTaxon().getTaxonNodes().iterator().next());
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}
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}
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if (taxonNode != null){
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viewer.reveal(taxonNode);
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viewer.setSelection(new StructuredSelection(taxonNode));
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}else{
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//TODO: show message in status bar
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}
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}
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}
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}
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@Inject
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@Optional
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public void updateLinkWithTaxon(@UIEventTopic(WorkbenchEventConstants.UPDATE_LINK_WITH_TAXON) boolean isDummy){
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this.linkWithTaxon = !linkWithTaxon;
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if(this.isLinkWithTaxon()){
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this.updateCurrentTaxon(EventUtility.getTaxonEditor());
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}
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}
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public void setLinkWithTaxon(boolean linkWithTaxon) {
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this.linkWithTaxon = linkWithTaxon;
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}
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public boolean isLinkWithTaxon() {
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return linkWithTaxon;
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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(!viewer.getTree().isDisposed()){
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if (CdmStore.isActive()){
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viewer.setInput(getInitialInput());
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}
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viewer.refresh();
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}
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updateSyncButton();
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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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viewer.refresh(obj);
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}
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updateSyncButton();
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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(Object object) {
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viewer.refresh(object);
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updateSyncButton();
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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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viewer.setInput(new EmptyRoot());
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}
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private 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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viewer.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<>();
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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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361
|
// creating
|
|
362
|
// conversation s.o., refreshing the tree and setting the paths
|
|
363
|
IProgressMonitor subProgressMonitor = AbstractUtility
|
|
364
|
.getSubProgressMonitor(monitor, 1);
|
|
365
|
|
|
366
|
subProgressMonitor.beginTask(RESTORING_TAXON_NAVIGATOR,
|
|
367
|
1 + mementoWork + 5);
|
|
368
|
subProgressMonitor.subTask(RESTORING_TAXON_NAVIGATOR);
|
|
369
|
subProgressMonitor.worked(1);
|
|
370
|
|
|
371
|
//conversation = CdmStore.createConversation();
|
|
372
|
subProgressMonitor.worked(1);
|
|
373
|
//conversation.registerForDataStoreChanges(TaxonNavigatorE4.this);
|
|
374
|
subProgressMonitor.worked(1);
|
|
375
|
viewer.setInput(root);
|
|
376
|
subProgressMonitor.worked(1);
|
|
377
|
viewer.refresh();
|
|
378
|
subProgressMonitor.worked(1);
|
|
379
|
|
|
380
|
if (treePathMementos != null && treePathMementos.length > 0) {
|
|
381
|
for (IMemento treePathMemento : treePathMementos) {
|
|
382
|
TreePath treePath = createTreePathFromString(treePathMemento
|
|
383
|
.getID());
|
|
384
|
if (!subProgressMonitor.isCanceled() && treePath != null) {
|
|
385
|
treePaths.add(treePath);
|
|
386
|
subProgressMonitor.worked(1);
|
|
387
|
}
|
|
388
|
}
|
|
389
|
}
|
|
390
|
if (treePaths.size() > 0) {
|
|
391
|
TaxonNavigatorE4.this.viewer.setExpandedTreePaths(
|
|
392
|
treePaths.toArray(new TreePath[0]));
|
|
393
|
subProgressMonitor.worked(1);
|
|
394
|
}
|
|
395
|
subProgressMonitor.done();
|
|
396
|
}
|
|
397
|
|
|
398
|
private TreePath createTreePathFromString(String string) {
|
|
399
|
|
|
400
|
List<CdmBase> pathList = new ArrayList<>();
|
|
401
|
|
|
402
|
if (string.length() == 0) {
|
|
403
|
return null;
|
|
404
|
}
|
|
405
|
|
|
406
|
for (String uuid : string.split(" ")) { //$NON-NLS-1$
|
|
407
|
CdmBase cdmBaseObject = CdmStore.getService(
|
|
408
|
ITaxonNodeService.class).find(
|
|
409
|
UUID.fromString(uuid));
|
|
410
|
if (cdmBaseObject == null) {
|
|
411
|
// is this a tree uuid?
|
|
412
|
cdmBaseObject = CdmStore.getService(
|
|
413
|
IClassificationService.class).load(
|
|
414
|
UUID.fromString(uuid));
|
|
415
|
|
|
416
|
if (cdmBaseObject == null) {
|
|
417
|
return null;
|
|
418
|
}
|
|
419
|
}
|
|
420
|
pathList.add(cdmBaseObject);
|
|
421
|
}
|
|
422
|
return new TreePath(pathList.toArray());
|
|
423
|
}
|
|
424
|
|
|
425
|
@Override
|
|
426
|
public void collapse() {
|
|
427
|
viewer.collapseAll();
|
|
428
|
}
|
|
429
|
|
|
430
|
@Override
|
|
431
|
public void expand() {
|
|
432
|
viewer.expandAll();
|
|
433
|
}
|
|
434
|
|
|
435
|
|
|
436
|
|
|
437
|
@PreDestroy
|
|
438
|
public void dispose() {
|
|
439
|
if(CdmApplicationState.getCurrentDataChangeService() != null) {
|
|
440
|
CdmApplicationState.getCurrentDataChangeService().unregister(this);
|
|
441
|
}
|
|
442
|
}
|
|
443
|
|
|
444
|
@Focus
|
|
445
|
public void setFocus() {
|
|
446
|
|
|
447
|
}
|
|
448
|
|
|
449
|
public UISynchronize getSync() {
|
|
450
|
return sync;
|
|
451
|
}
|
|
452
|
|
|
453
|
public TreeViewer getViewer() {
|
|
454
|
return viewer;
|
|
455
|
}
|
|
456
|
|
|
457
|
public UndoContext getUndoContext() {
|
|
458
|
return undoContext;
|
|
459
|
}
|
|
460
|
|
|
461
|
@Override
|
|
462
|
public boolean postOperation(Object objectAffectedByOperation) {
|
|
463
|
viewer.refresh();
|
|
464
|
return true;
|
|
465
|
}
|
|
466
|
|
|
467
|
@Override
|
|
468
|
public boolean onComplete() {
|
|
469
|
return true;
|
|
470
|
}
|
|
471
|
|
|
472
|
@Override
|
|
473
|
public void update(Observable o, Object arg) {
|
|
474
|
if(o instanceof LoginManager){
|
|
475
|
refresh();
|
|
476
|
}
|
|
477
|
}
|
|
478
|
|
|
479
|
// @Override
|
|
480
|
// public void update(CdmDataChangeMap changeEvents) {
|
|
481
|
// if (dataChangeBehavior == null) {
|
|
482
|
// dataChangeBehavior = new TaxonNavigatorDataChangeBehaviorE4(this);
|
|
483
|
// }
|
|
484
|
//
|
|
485
|
// DataChangeBridge.handleDataChange(changeEvents, dataChangeBehavior);
|
|
486
|
// updateSyncButton();
|
|
487
|
//
|
|
488
|
// }
|
|
489
|
|
|
490
|
public List<TaxonNodeDto> getRootEntities() {
|
|
491
|
if(root != null) {
|
|
492
|
return root.getParentBeans();
|
|
493
|
}
|
|
494
|
return null;
|
|
495
|
}
|
|
496
|
|
|
497
|
@Override
|
|
498
|
public void onChange(CdmChangeEvent event) {
|
|
499
|
Object[] expandedElements = viewer.getExpandedElements();
|
|
500
|
refresh();
|
|
501
|
for(CdmBase cb : event.getChangedObjects()) {
|
|
502
|
if(cb instanceof TaxonNode) {
|
|
503
|
TaxonNode tn = (TaxonNode)cb;
|
|
504
|
if(tn.getTaxon() == null) {
|
|
505
|
viewer.refresh(tn.getClassification());
|
|
506
|
} else {
|
|
507
|
viewer.refresh(cb);
|
|
508
|
}
|
|
509
|
} else if (cb instanceof Classification) {
|
|
510
|
if ( event.getAction().equals(Action.Create)){
|
|
511
|
root.addRootNode((Classification)cb);
|
|
512
|
} else if ( event.getAction().equals(Action.Delete)){
|
|
513
|
root.removeRootNode((Classification)cb);
|
|
514
|
}
|
|
515
|
viewer.refresh();
|
|
516
|
}
|
|
517
|
}
|
|
518
|
viewer.setExpandedElements(expandedElements);
|
|
519
|
}
|
|
520
|
|
|
521
|
@Override
|
|
522
|
public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
|
|
523
|
// TODO Auto-generated method stub
|
|
524
|
}
|
|
525
|
|
|
526
|
@Override
|
|
527
|
public void contextStop(IMemento memento, IProgressMonitor monitor) {
|
|
528
|
}
|
|
529
|
|
|
530
|
@Override
|
|
531
|
public void contextStart(IMemento memento, IProgressMonitor monitor) {
|
|
532
|
if(viewer!=null && viewer.getControl()!=null && !viewer.getControl().isDisposed()){
|
|
533
|
init();
|
|
534
|
}
|
|
535
|
}
|
|
536
|
|
|
537
|
@Override
|
|
538
|
public void contextRefresh(IProgressMonitor monitor) {
|
|
539
|
// viewer.refresh();
|
|
540
|
}
|
|
541
|
|
|
542
|
@Override
|
|
543
|
public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
|
|
544
|
}
|
|
545
|
|
|
546
|
@Inject
|
|
547
|
@Optional
|
|
548
|
private void updateView(@UIEventTopic(WorkbenchEventConstants.REFRESH_NAVIGATOR)TaxonNodeDto dto){
|
|
549
|
if(dto!= null){
|
|
550
|
Object[] expandedElements = viewer.getExpandedElements();
|
|
551
|
ISelection sel = viewer.getSelection();
|
|
552
|
refresh(dto);
|
|
553
|
viewer.setExpandedElements(expandedElements);
|
|
554
|
if (sel != null && !sel.isEmpty()){
|
|
555
|
viewer.reveal(dto);
|
|
556
|
viewer.setSelection(sel);
|
|
557
|
}
|
|
558
|
}
|
|
559
|
}
|
|
560
|
|
|
561
|
@Inject
|
|
562
|
@Optional
|
|
563
|
private void updateView(@UIEventTopic(WorkbenchEventConstants.REFRESH_NAVIGATOR)boolean refresh){
|
|
564
|
if(refresh){
|
|
565
|
Object[] expandedElements = viewer.getExpandedElements();
|
|
566
|
refresh();
|
|
567
|
viewer.setExpandedElements(expandedElements);
|
|
568
|
}
|
|
569
|
}
|
|
570
|
}
|