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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;
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import java.util.Set;
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import java.util.UUID;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.NotEnabledException;
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import org.eclipse.core.commands.NotHandledException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.core.commands.operations.UndoContext;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IEditorReference;
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import org.eclipse.ui.IWorkbenchWindow;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.handlers.IHandlerService;
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import org.eclipse.ui.navigator.CommonViewer;
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import eu.etaxonomy.cdm.model.common.ICdmBase;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.cdm.model.name.TaxonNameBase;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
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import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.internal.TaxeditorNavigationPlugin;
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import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigator;
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import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
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/**
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* <p>NavigationUtil class.</p>
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*
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* @author n.hoffmann
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* @created 24.03.2009
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* @version 1.0
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*/
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public class NavigationUtil extends AbstractUtility{
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private static IUndoContext defaultUndoContext;
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/**
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* <p>executeEditHandler</p>
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*/
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public static void executeEditHandler(){
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String commandId = "eu.etaxonomy.taxeditor.navigation.command.update.editSelection";
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IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
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try {
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handlerService.executeCommand(commandId, null);
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} catch (ExecutionException e) {
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MessagingUtils.error(NavigationUtil.class, e);
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} catch (NotDefinedException e) {
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MessagingUtils.error(NavigationUtil.class, e);
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} catch (NotEnabledException e) {
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MessagingUtils.error(NavigationUtil.class, e);
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} catch (NotHandledException e) {
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MessagingUtils.error(NavigationUtil.class, e);
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}
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}
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/**
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* <p>openEditor</p>
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*
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* @param selectedObject a {@link eu.etaxonomy.cdm.model.common.CdmBase} object.
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*/
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public static void openEditor(ICdmBase selectedObject){
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UUID entityUuid = selectedObject.getUuid();
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try {
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if(selectedObject instanceof TaxonNode){
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EditorUtil.openTaxonNode(entityUuid);
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}else if(selectedObject instanceof TaxonBase){
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EditorUtil.openTaxonBase(entityUuid);
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}else if(selectedObject instanceof TaxonNameBase){
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// TODO open bulk editor
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MessagingUtils.warningDialog("Not implemented yet", NavigationUtil.class, "You tried to open a name. This is not handled by the software yet.");
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}else if(selectedObject instanceof PolytomousKey){
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EditorUtil.openPolytomousKey(entityUuid);
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}else{
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MessagingUtils.warningDialog("Unsupported Type", NavigationUtil.class, "No editor exists for the current selection: " + selectedObject);
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}
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} catch (PartInitException e) {
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MessagingUtils.error(NavigationUtil.class, "Error opening the editor", e);
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} catch (Exception e) {
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MessagingUtils.errorDialog("Could not create Taxon",
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NavigationUtil.class,
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e.getMessage(), TaxeditorStorePlugin.PLUGIN_ID,
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e,
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true);
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}
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}
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public static void openEditor(Object selectedObject){
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if (selectedObject instanceof UuidAndTitleCache){
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Class type = ((UuidAndTitleCache) selectedObject).getType();
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if(type == Taxon.class || type == Synonym.class){
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try {
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EditorUtil.openTaxonBase(((UuidAndTitleCache) selectedObject).getUuid());
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} catch (PartInitException e) {
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MessagingUtils.error(NavigationUtil.class, "Error opening the editor", e);
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}
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}
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}else if(selectedObject instanceof ICdmBase){
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openEditor((ICdmBase) selectedObject);
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}else{
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MessagingUtils.error(NavigationUtil.class, new IllegalArgumentException("Selected object is not supported: " + selectedObject));
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}
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}
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/**
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* <p>openEmpty</p>
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*
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* @param parentNodeUuid a {@link java.util.UUID} object.
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*/
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public static void openEmpty(UUID parentNodeUuid) {
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try {
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EditorUtil.openEmpty(parentNodeUuid);
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} catch (PartInitException e) {
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MessagingUtils.error(NavigationUtil.class, "Error opening the editor", e);
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}
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}
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/**
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* <p>getShell</p>
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*
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* @return a {@link org.eclipse.swt.widgets.Shell} object.
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*/
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public static Shell getShell() {
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return getActiveWindow().getShell();
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}
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/**
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* <p>getActiveWindow</p>
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*
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* @return a {@link org.eclipse.ui.IWorkbenchWindow} object.
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*/
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public static IWorkbenchWindow getActiveWindow() {
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return TaxeditorNavigationPlugin.getDefault().getWorkbench().
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getActiveWorkbenchWindow();
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}
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/**
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* <p>getWorkbenchUndoContext</p>
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*
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* @return a {@link org.eclipse.core.commands.operations.IUndoContext} object.
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*/
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public static IUndoContext getWorkbenchUndoContext() {
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return TaxeditorEditorPlugin.getDefault().getWorkbench().
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getOperationSupport().getUndoContext();
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}
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/**
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* <p>getUndoContext</p>
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*
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* @return a {@link org.eclipse.core.commands.operations.IUndoContext} object.
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*/
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public static IUndoContext getUndoContext() {
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// FIXME this has to be more specific. Every widget has to have its own undo context
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// return IOperationHistory.GLOBAL_UNDO_CONTEXT;
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// Plug-ins that wish their operations to be undoable from workbench views
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// such as the Navigator or Package Explorer should assign the workbench
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// undo context to their operations.
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if (defaultUndoContext == null) {
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defaultUndoContext = new UndoContext();
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}
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return defaultUndoContext;
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}
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/**
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* Whether a taxonNode has unsaved changes.
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*
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* @param taxonNode a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.
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* @return a boolean.
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*/
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public static boolean isDirty(TaxonNode taxonNode){
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for (IEditorReference reference : getActivePage().getEditorReferences()) {
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try {
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if (reference.getEditorInput() instanceof TaxonEditorInput) {
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TaxonEditorInput editorInput = (TaxonEditorInput) reference.getEditorInput();
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if(editorInput.getTaxonNode().equals(taxonNode) && reference.isDirty()){
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return true;
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}
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}
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} catch (PartInitException e) {
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MessagingUtils.error(NavigationUtil.class, e.getMessage(), e);
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throw new RuntimeException(e);
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}
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}
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return false;
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}
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/**
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* <p>selectInNavigator</p>
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*
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* @param element a {@link java.lang.Object} object.
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* @param parentElement a {@link java.lang.Object} object.
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*/
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public static void selectInNavigator(final Object element, final Object parentElement) {
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Display.getDefault().asyncExec(new Runnable(){
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@Override
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public void run() {
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TaxonNavigator navigator = showNavigator();
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if (navigator != null) {
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CommonViewer viewer = navigator.getCommonViewer();
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if (viewer != null) {
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if (parentElement != null) {
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viewer.setExpandedState(parentElement, true);
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}
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viewer.setSelection(new StructuredSelection(element));
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}
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}
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}
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});
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}
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/**
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* <p>openSearch</p>
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*
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* @param selection a {@link java.lang.Object} object.
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*/
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public static void openSearch(Object selection) {
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if(selection instanceof Taxon){
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Taxon taxon = (Taxon) selection;
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handleOpeningOfMultipleTaxonNodes(taxon.getTaxonNodes());
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}else if(selection instanceof Synonym){
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Synonym synonym = (Synonym) selection;
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handleOpeningOfMultipleTaxa(synonym.getAcceptedTaxa());
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}else{
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MessagingUtils.warningDialog("Not implemented yet", NavigationUtil.class, "You chose to open a name that has no connection to a taxon. The Editor does not support editing of such a content type at the moment.");
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}
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}
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private static void handleOpeningOfMultipleTaxa(Set<Taxon> acceptedTaxa) {
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if(acceptedTaxa.size() == 1){
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openEditor(acceptedTaxa.iterator().next());
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}else if(acceptedTaxa.size() > 1){
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// FIXME implement a dialog that shows all possible taxa and let the user choose which he wants to open.
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MessagingUtils.warningDialog("Not implemented yet", NavigationUtil.class, "The accepted taxon is in multiple taxonomic trees. We currently do not know which one you want to open." +
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" This case is not handled yet by the software.");
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}else if(acceptedTaxa.size() == 0){
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// this is an undesired state
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MessagingUtils.warningDialog("Not implemented yet", NavigationUtil.class, "This taxon is not connected to a classification. Currently editing of such taxa is not supported yet.");
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}
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}
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/**
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* @param taxonNodes
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*/
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private static void handleOpeningOfMultipleTaxonNodes(
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Set<TaxonNode> taxonNodes) {
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if(taxonNodes.size() == 1){
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openEditor(taxonNodes.iterator().next());
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}else if(taxonNodes.size() > 1){
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// FIXME implement a dialog that shows all possible taxa and let the user choose which he wants to open.
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MessagingUtils.warningDialog("Not implemented yet", NavigationUtil.class, "The accepted taxon is in multiple taxonomic trees. We currently do not know which one you want to open." +
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" This case is not handled yet by the software.");
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}else if(taxonNodes.size() == 0){
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// this is an undesired state
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MessagingUtils.warningDialog("Incorrect state", NavigationUtil.class, "The accepted taxon is not in a taxonomic view. This should not have happened.");
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}
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}
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/**
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* <p>showNavigator</p>
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*
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* @return the TaxonNavigator instance if present
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*/
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public static TaxonNavigator showNavigator() {
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return (TaxonNavigator) showView(TaxonNavigator.ID);
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}
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/**
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* <p>getNavigator</p>
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*
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* @param restore a boolean.
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* @return a {@link eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigator} object.
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*/
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public static TaxonNavigator getNavigator(boolean restore) {
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return (TaxonNavigator) getView(TaxonNavigator.ID, restore);
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}
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/**
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* <p>getOpenEditors</p>
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*
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* @return a {@link java.util.Set} object.
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*/
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public static Set<IEditorPart> getOpenEditors() {
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return EditorUtil.getOpenEditors();
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}
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/**
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* <p>getPluginId</p>
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*
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* @return a {@link java.lang.String} object.
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*/
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public static String getPluginId(){
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return TaxeditorNavigationPlugin.PLUGIN_ID;
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}
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}
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