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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.editor;
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import java.util.Collection;
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import java.util.UUID;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.operations.IOperationHistory;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService.PartState;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeNode;
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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.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;
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import eu.etaxonomy.cdm.model.occurrence.FieldUnit;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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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.taxeditor.editor.e4.TaxonEditorInputE4;
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import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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/**
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* Utility for the editor package
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*
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* @author n.hoffmann
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* @created 20.01.2009
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* @version 1.0
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*/
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public class EditorUtil extends AbstractUtility {
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private static final String NAME_EDITOR_ID = "eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4";
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private static boolean isSaving = false;
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/**
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* Opens a new {@link DataImportEditor} for the given input
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* @param input a {@link DataImportEditorInput}
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* @throws PartInitException
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*/
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// public static void open(DataImportEditorInput<?> input)
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// throws PartInitException {
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// if(input instanceof BioCaseEditorInput){
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// open(input, SpecimenImportEditor.ID);
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// }
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// else if(input instanceof GbifImportEditorInput){
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// open(input, GbifImportEditor.ID);
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// }
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// }
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/**
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* Taxon Editors may be opened by supplying a taxon node uuid. Session gets
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* initialised here and is passed to the editor
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*
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* @param taxonNodeUuid
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* a {@link java.util.UUID} object.
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* @throws java.lang.Exception
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* if any.
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*/
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public static void openTaxonNodeE4(UUID taxonNodeUuid) throws Exception {
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//FIXME E4 this can probably be removed when fully migrated
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TaxonEditorInputE4 input = TaxonEditorInputE4.NewInstance(taxonNodeUuid);
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openNameEditor_internal(input);
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}
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public static void openTaxonBaseE4(UUID taxonBaseUuid) {
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//FIXME E4 this can probably be removed when fully migrated
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TaxonEditorInputE4 input = TaxonEditorInputE4.NewInstanceFromTaxonBase(taxonBaseUuid);
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openNameEditor_internal(input);
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}
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private static void openNameEditor_internal(TaxonEditorInputE4 input) {
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TaxonBase taxonBase = input.getTaxon();
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if(taxonBase==null){
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return;
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}
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if (taxonBase.isOrphaned()) {
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if(taxonBase.isInstanceOf(Synonym.class)){
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MessagingUtils.warningDialog(Messages.EditorUtil_ORPHAN_ACCEPTED_TAXON, TaxonEditorInputE4.class, Messages.EditorUtil_ORPHAN_ACCEPTED_TAXON_MESSAGE);
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return;
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}
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else{
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MessagingUtils.warningDialog(Messages.EditorUtil_ORPHAN_TAXON, TaxonEditorInputE4.class, Messages.EditorUtil_ORPHAN_TAXON_MESSAGE);
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return;
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}
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}
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EPartService partService = TaxeditorEditorPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getService(EPartService.class);
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Collection<MPart> parts = partService.getParts();
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MPart part = null;
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//check if part is already opened
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for (MPart mPart : parts) {
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if(mPart.getObject() instanceof TaxonNameEditorE4
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&& ((TaxonNameEditorE4) mPart.getObject()).getTaxon().equals(input.getTaxon())){
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part = mPart;
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break;
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}
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}
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if(part==null){
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part = partService.createPart(NAME_EDITOR_ID);
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part = partService.showPart(part, PartState.ACTIVATE);
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TaxonNameEditorE4 editor = (TaxonNameEditorE4) part.getObject();
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editor.init(input);
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}
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part = partService.showPart(part, PartState.ACTIVATE);
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}
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/**
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* An uninitialized taxon is one that hasn't been saved yet. As such, it
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* should appear in neither the list of recent names nor in the taxonomic
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* tree when opened.
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*
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* @param parentNodeUuid
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* a {@link java.util.UUID} object.
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*/
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public static void openEmptyE4(UUID parentNodeUuid) {
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TaxonEditorInputE4 input = TaxonEditorInputE4
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.NewEmptyInstance(parentNodeUuid);
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EPartService partService = TaxeditorEditorPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getService(EPartService.class);
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MPart part = partService.createPart(NAME_EDITOR_ID);
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part = partService.showPart(part, PartState.ACTIVATE);
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TaxonNameEditorE4 editor = (TaxonNameEditorE4) part.getObject();
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editor.init(input);
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}
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/**
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* <p>
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* setSaving
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* </p>
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*
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* @param isSaving
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* a boolean.
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*/
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public static void setSaving(boolean isSaving) {
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EditorUtil.isSaving = isSaving;
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}
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/**
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* <p>
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* isSaving
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* </p>
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*
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* @return a boolean.
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*/
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public static boolean isSaving() {
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return isSaving;
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}
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/**
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* <p>
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* getUndoContext
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* </p>
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*
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* @return a {@link org.eclipse.core.commands.operations.IUndoContext}
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* object.
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*/
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public static IUndoContext getUndoContext() {
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return IOperationHistory.GLOBAL_UNDO_CONTEXT;
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}
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/**
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* <p>
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* forceUserSave
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* </p>
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*
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* @param editor
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* a {@link org.eclipse.ui.IEditorPart} object.
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* @param shell
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* a {@link org.eclipse.swt.widgets.Shell} object.
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* @return a boolean.
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*/
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public static boolean forceUserSave(IEditorPart editor, Shell shell) {
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if (editor.isDirty()) {
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boolean doSave = MessageDialog
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.openConfirm(shell, Messages.EditorUtil_COMFIRM_SAVE,
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Messages.EditorUtil_CONFIRM_SAVE_MESSAGE);
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if (!doSave) {
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return false;
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}
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editor.doSave(AbstractUtility.getMonitor());
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}
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return true;
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}
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public static boolean forceUserSaveE4Editor(TaxonNameEditorE4 editor, Shell shell) {
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if (editor.isDirty()) {
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boolean doSave = MessageDialog
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.openConfirm(shell, Messages.EditorUtil_COMFIRM_SAVE,
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Messages.EditorUtil_CONFIRM_SAVE_MESSAGE);
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if (!doSave) {
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return false;
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}
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editor.save(AbstractUtility.getMonitor());
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}
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return true;
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}
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/**
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* <p>
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* getSelection
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* </p>
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*
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* @param event
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* a {@link org.eclipse.core.commands.ExecutionEvent} object.
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* @return a {@link org.eclipse.jface.viewers.IStructuredSelection} object.
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*/
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public static IStructuredSelection getSelection(ExecutionEvent event) {
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IEditorPart activeEditor = HandlerUtil.getActiveEditor(event);
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return (IStructuredSelection) activeEditor.getSite()
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.getSelectionProvider().getSelection();
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}
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/**
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* <p>
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* getPluginId
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* </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 TaxeditorEditorPlugin.PLUGIN_ID;
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}
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/**
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* Iterates recursively over all originals having the given specimen as a derivate.
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* The first {@link DerivedUnit} with no more originals or the first {@link FieldUnit} is returned
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* @param specimen the start element for which the originals are iterated recursively
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* @return either a FieldUnit or a the topmost DerivedUnit (which can be itself)
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*/
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public static SpecimenOrObservationBase<?> getTopMostDerivate(SpecimenOrObservationBase<?> specimen){
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if(specimen.isInstanceOf(FieldUnit.class)){
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return specimen;
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}
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else if(specimen instanceof DerivedUnit
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&& ((DerivedUnit) specimen).getOriginals()!=null
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&& !((DerivedUnit) specimen).getOriginals().isEmpty()){
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for(SpecimenOrObservationBase<?> original:((DerivedUnit) specimen).getOriginals()){
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return getTopMostDerivate(original);
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}
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//needed to add this for compilation although this is unreachable
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return specimen;
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}
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else{
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return specimen;
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}
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}
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/**
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* If the current selection is a single {@link TreeNode} it will be returned.
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* @param selection the selection to check
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* @return the selected TreeNode or <code>null</code> if no TreeNode selected
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*/
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public static TreeNode getTreeNodeOfSelection(ISelection selection){
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if(selection instanceof IStructuredSelection
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&& ((IStructuredSelection) selection).size()==1
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&& ((IStructuredSelection) selection).getFirstElement() instanceof TreeNode){
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return (TreeNode) ((IStructuredSelection) selection).getFirstElement();
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}
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return null;
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}
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public static void closeObsoleteEditor(TaxonNode taxonNode, EPartService partService){
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String treeIndex = taxonNode.treeIndex();
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Collection<MPart> parts = partService.getParts();
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for (MPart part : parts) {
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Object object = part.getObject();
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if(object instanceof TaxonNameEditorE4){
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TaxonNameEditorE4 taxonEditor = (TaxonNameEditorE4)object;
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TaxonNode node = taxonEditor.getEditorInput().getTaxonNode();
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if(node.treeIndex().startsWith(treeIndex)){
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partService.hidePart(part, true);
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}
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}
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}
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}
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}
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