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/**
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* Copyright (C) 2009 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.definedterm;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.jface.action.GroupMarker;
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import org.eclipse.jface.action.MenuManager;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerSorter;
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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.Control;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorSite;
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import org.eclipse.ui.ISelectionListener;
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import org.eclipse.ui.ISelectionService;
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import org.eclipse.ui.IWorkbenchActionConstants;
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import org.eclipse.ui.IWorkbenchPart;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.part.EditorPart;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.OrderedTermBase;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.editor.definedterm.input.TermEditorInput;
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import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
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/**
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* @author l.morris
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* @date 3 Jan 2012
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*
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*/
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public class DefinedTermEditor extends EditorPart implements IConversationEnabled, ISelectionListener, IDirtyMarkable, IPostOperationEnabled {
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public static final String ID = "eu.etaxonomy.taxeditor.editor.definedTerm";
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public static final String OPEN_COMMAND_ID = "eu.etaxonomy.taxeditor.store.openDefinedTermEditor";
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protected TreeViewer viewer;
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protected ConversationHolder conversation;
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private ISelectionService selectionService;
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private boolean dirty;
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private final int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
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/**
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*
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*/
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public DefinedTermEditor() {
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super();
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conversation = CdmStore.createConversation();
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}
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@Override
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public void createPartControl(Composite parent) {
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// parent.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_BLUE));
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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(parent);
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viewer.getControl().setLayoutData(LayoutConstants.FILL());
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viewer.setContentProvider(new TermContentProvider());
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viewer.setLabelProvider(new TermLabelProvider());
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viewer.setSorter(new DefinedTermSorter());
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Transfer[] transfers = new Transfer[] { TermTransfer.getInstance() };
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viewer.addDragSupport(dndOperations, transfers, new DefinedTermDragListener(viewer));
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viewer.addDropSupport(dndOperations, transfers, new DefinedTermDropAdapter(this));
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getDefinedTermEditorInput().initialiseVocabularies();
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viewer.setInput(getDefinedTermEditorInput().getVocabularies());
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getSite().setSelectionProvider(viewer);
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selectionService = getSite().getWorkbenchWindow().getSelectionService();
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selectionService.addSelectionListener(this);
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setPartName(getEditorInput().getName());
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createMenu();
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}
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/**
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*
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*/
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public TermEditorInput getDefinedTermEditorInput() {
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return (TermEditorInput) getEditorInput();
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.operation.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
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*/
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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viewer.refresh();
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if(objectAffectedByOperation != null){
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viewer.setSelection(new StructuredSelection(objectAffectedByOperation));
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}
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setDirty(true);
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return true;
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}
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private void createMenu() {
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// register context menu
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MenuManager menuManager = new MenuManager();
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menuManager
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.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
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getSite().registerContextMenu(ID, menuManager, viewer);
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Control control = viewer.getControl();
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Menu menu = menuManager.createContextMenu(control);
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control.setMenu(menu);
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}
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@Override
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public void doSave(IProgressMonitor monitor) {
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getConversationHolder().commit();
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getDefinedTermEditorInput().merge();
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setDirty(false);
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getDefinedTermEditorInput().initialiseVocabularies();
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viewer.refresh();
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}
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@Override
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public void doSaveAs() {}
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@Override
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public void init(IEditorSite site, IEditorInput input) throws PartInitException {
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setSite(site);
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setInput(input);
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}
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@Override
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public boolean isDirty() {
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return dirty;
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}
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@Override
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public boolean isSaveAsAllowed() {
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return false;
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}
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@Override
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public void setFocus() {
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viewer.getControl().setFocus();
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getConversationHolder().bind();
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getDefinedTermEditorInput().bind();
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}
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@Override
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public void update(CdmDataChangeMap changeEvents) {
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// TODO Auto-generated method stub
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}
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@Override
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public ConversationHolder getConversationHolder() {
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return conversation;
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}
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@Override
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public void selectionChanged(IWorkbenchPart part, ISelection selection) {
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// TODO Auto-generated method stub
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}
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@Override
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public void changed(Object element) {
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dirty = true;
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setDirty(true);
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viewer.update(element, null);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#forceDirty()
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*/
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@Override
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public void forceDirty() {
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changed(null);
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}
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/**
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* @param dirty the dirty to set
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*/
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public void setDirty(boolean dirty) {
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this.dirty = dirty;
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firePropertyChange(PROP_DIRTY);
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}
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@Override
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public boolean onComplete() {
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// TODO Auto-generated method stub
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return false;
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}
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/**
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*
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*/
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public TreeViewer getViewer() {
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return viewer;
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}
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private class DefinedTermSorter extends ViewerSorter {
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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// the comparison value in this method determines the
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// location <-> add term method used in the MoveDefinedTermOperation
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// execute call
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if(e1 instanceof OrderedTermBase && e2 instanceof OrderedTermBase) {
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OrderedTermBase otbe1 = (OrderedTermBase)e1;
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OrderedTermBase otbe2 = (OrderedTermBase)e2;
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if(otbe1.getOrderIndex() == otbe2.getOrderIndex()) {
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return 0;
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} else if (otbe1.getOrderIndex() < otbe2.getOrderIndex()){
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return -1;
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} else{
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return 1;
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}
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} else {
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return super.compare(viewer, e1, e2);
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}
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}
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}
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@Override
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public void dispose() {
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getDefinedTermEditorInput().dispose();
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super.dispose();
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}
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}
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