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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.HashSet;
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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.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.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.swt.widgets.Shell;
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import org.eclipse.ui.IEditorInput;
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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.PartInitException;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
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import eu.etaxonomy.taxeditor.editor.key.KeyEditor;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorInput;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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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 boolean isSaving = false;
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/**
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* Opens a new editor window with the given input
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*
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* @param input
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* @param editorId
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* @return
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* @return
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* @throws PartInitException
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*/
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private static IEditorPart open(final IEditorInput input,
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final String editorId) throws PartInitException {
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return getActivePage().openEditor(input, editorId);
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}
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/**
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* Opens a new editor window with the given TaxonEditorInput
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*
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* @param input
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* a {@link eu.etaxonomy.taxeditor.editor.TaxonEditorInput}
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* object.
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* @throws org.eclipse.ui.PartInitException
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* if any.
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*/
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public static void open(TaxonEditorInput input) throws PartInitException {
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open(input, MultiPageTaxonEditor.ID);
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}
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public static void open(PolytomousKeyEditorInput input)
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throws PartInitException {
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open(input, KeyEditor.ID);
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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 openTaxonNode(UUID taxonNodeUuid) throws Exception {
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TaxonEditorInput input = TaxonEditorInput.NewInstance(taxonNodeUuid);
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open(input);
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}
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/**
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* <p>
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* openTaxonBase
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* </p>
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*
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* @param taxonBaseUuid
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* a {@link java.util.UUID} object.
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* @throws org.eclipse.ui.PartInitException
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* if any.
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*/
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public static void openTaxonBase(UUID taxonBaseUuid)
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throws PartInitException {
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TaxonEditorInput input = TaxonEditorInput
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.NewInstanceFromTaxonBase(taxonBaseUuid);
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open(input);
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}
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/**
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* <p>
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* findEditorByTaxonNodeUuid
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* </p>
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*
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* @param taxonNodeUuid
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* a {@link java.util.UUID} object.
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* @return a {@link org.eclipse.ui.IEditorPart} 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 IEditorPart findEditorByTaxonNodeUuid(UUID taxonNodeUuid)
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throws Exception {
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IEditorInput input = TaxonEditorInput.NewInstance(taxonNodeUuid);
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return getActivePage().findEditor(input);
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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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* @throws org.eclipse.ui.PartInitException
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* if any.
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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 openEmpty(UUID parentNodeUuid) throws PartInitException {
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TaxonEditorInput input = TaxonEditorInput
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.NewEmptyInstance(parentNodeUuid);
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open(input, MultiPageTaxonEditor.ID);
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getActiveMultiPageTaxonEditor().changed(null);
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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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* Returns a set of all currently open <code>MultiPageTaxonEditor</code>s.
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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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Set<IEditorPart> taxonEditors = new HashSet<IEditorPart>();
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if (getActivePage() != null) {
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for (IEditorReference reference : getActivePage()
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.getEditorReferences()) {
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IEditorPart editor = reference.getEditor(false);
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if (editor instanceof MultiPageTaxonEditor) {
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taxonEditors.add(editor);
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}
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}
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}
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return taxonEditors;
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}
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/**
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* Returns the currently active taxon editor
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*
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* @return the taxon editor that has focus
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*/
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public static MultiPageTaxonEditor getActiveMultiPageTaxonEditor() {
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IEditorPart editorPart = getActiveEditor();
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if (editorPart != null && editorPart instanceof MultiPageTaxonEditor) {
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MultiPageTaxonEditor editor = (MultiPageTaxonEditor) editorPart;
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editor.getConversationHolder().bind();
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return editor;
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}
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return null;
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}
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/**
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* <p>
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* getActiveEditorPage
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* </p>
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*
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* @param page
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* a {@link eu.etaxonomy.taxeditor.editor.Page} object.
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* @return a {@link org.eclipse.ui.IEditorPart} object.
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*/
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public static IEditorPart getActiveEditorPage(Page page) {
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MultiPageTaxonEditor editor = getActiveMultiPageTaxonEditor();
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return editor != null ? editor.getPage(page) : null;
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}
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/**
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* Returns the selection of the currently active taxon editor
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*
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* @return a {@link org.eclipse.jface.viewers.ISelection} object.
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*/
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public static ISelection getCurrentSelection() {
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if (getActiveMultiPageTaxonEditor() == null) {
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return null;
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} else {
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return getActiveMultiPageTaxonEditor().getSite()
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.getSelectionProvider().getSelection();
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}
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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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* @param editor
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* a {@link eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor}
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* object.
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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(MultiPageTaxonEditor editor) {
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return editor.getUndoContext();
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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, "Confirm save",
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"The current editor must be saved before this action can be executed.");
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if (!doSave) {
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return false;
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}
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editor.doSave(EditorUtil.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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protected static String getPluginId() {
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return TaxeditorEditorPlugin.PLUGIN_ID;
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}
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public static void openPolytomousKey(UUID polytomousKeyUuid)
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throws Exception {
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PolytomousKeyEditorInput input = PolytomousKeyEditorInput
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.NewInstance(polytomousKeyUuid);
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open(input);
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}
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}
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