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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.key.polytomous.e4;
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import java.util.List;
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import javax.annotation.PostConstruct;
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import javax.inject.Inject;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.e4.ui.di.Focus;
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import org.eclipse.e4.ui.di.Persist;
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import org.eclipse.e4.ui.model.application.ui.MDirtyable;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.services.EMenuService;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.TableViewer;
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import org.eclipse.jface.viewers.TableViewerColumn;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.MouseAdapter;
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import org.eclipse.swt.events.MouseEvent;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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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.Table;
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import org.eclipse.swt.widgets.TableItem;
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import org.eclipse.ui.PartInitException;
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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.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.key.KeyEditorDataChangeBehaviour;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.IPolytomousKeyEditorPage;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorInput;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyListContentProvider;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyListLabelProvider;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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/**
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*
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* @author pplitzner
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* @since Sep 28, 2017
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*
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*/
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public class PolytomousKeyListEditorE4 implements
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IConversationEnabled, IDirtyMarkable, IPartContentHasDetails,
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IPolytomousKeyEditorPage {
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private class LinkListener extends MouseAdapter {
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@Override
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public void mouseUp(MouseEvent event) {
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if(event.button == 1 && event.count == 2) {
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Table table = (Table) event.widget;
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// Determine where the mouse was clicked
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Point point = new Point(event.x, event.y);
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int selectedColumn = getSelectedColumn(table, point);
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if (table == null || point == null ){
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return;
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}
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TableItem item = getTableItem(
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table, point);
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PolytomousKeyNode node ;
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if (item != null){
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node =(PolytomousKeyNode) item.getData();
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} else{
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return;
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}
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if (selectedColumn == 4) {
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PolytomousKeyNode linkData = getItemLinkData(node);
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if (linkData != null) {
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viewer.setSelection(new StructuredSelection(linkData), true);
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}
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}
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if (selectedColumn == 5) {
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Taxon taxon = getItemTaxon(node);
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if (taxon != null) {
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try {
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EditorUtil.openTaxonBaseE4((taxon).getUuid());
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} catch (PartInitException e) {
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MessagingUtils.error(getClass(), e);
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}
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}
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}
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}
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}
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private int getSelectedColumn(Table table, Point point) {
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TableItem item = getTableItem(table, point);
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if (item != null) {
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for (int i = 0, n = table.getColumnCount(); i < n; i++) {
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Rectangle rect = item.getBounds(i);
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if (rect.contains(point)) {
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// This is the selected column
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return i;
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}
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}
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}
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return -1;
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}
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private TableItem getTableItem(Table table, Point point) {
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return table.getItem(point);
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}
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private PolytomousKeyNode getItemLinkData(PolytomousKeyNode node) {
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return node.getChildren().isEmpty() ? null : node
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.getChildAt(0);
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}
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private Taxon getItemTaxon(PolytomousKeyNode node) {
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return node.getTaxon();
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}
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}
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public static final String ID = "eu.etaxonomy.taxeditor.editor.key.polytomous.list"; //$NON-NLS-1$
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private TableViewer viewer;
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private ConversationHolder conversation;
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private KeyEditorDataChangeBehaviour dataChangeBehavior;
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private PolytomousKeyEditorInput input;
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@Inject
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private ESelectionService selService;
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@Inject
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private MDirtyable dirty;
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private ISelectionChangedListener selectionChangedListener;
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@Inject
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private MPart thisPart;
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@Inject
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public PolytomousKeyListEditorE4() {
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}
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@Override
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public void update(CdmDataChangeMap arg0) {
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}
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@Override
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public ConversationHolder getConversationHolder() {
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return input.getConversationHolder();
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}
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@Persist
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public void doSave(IProgressMonitor monitor) {
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try {
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monitor.beginTask(Messages.KeyEditor_SAVING, 1);
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getConversationHolder().bind();
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getConversationHolder().commit(true);
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input.merge();
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dirty.setDirty(false);
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monitor.worked(1);
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} finally {
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monitor.done();
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}
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}
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public void init(PolytomousKeyEditorInput input) {
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this.input = input;
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PolytomousKey key = input.getKey();
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key = HibernateProxyHelper.deproxy(key, PolytomousKey.class);
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key.setRoot(HibernateProxyHelper.deproxy(key.getRoot(), PolytomousKeyNode.class));
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thisPart.setLabel(key.getTitleCache());
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viewer.setInput(input);
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}
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public boolean isDirty() {
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return dirty.isDirty();
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}
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@PostConstruct
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public void createPartControl(Composite parent, EMenuService menuService) {
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FillLayout fillLayout = new FillLayout();
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fillLayout.marginWidth = 0;
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fillLayout.marginHeight = 0;
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fillLayout.type = SWT.VERTICAL;
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parent.setLayout(fillLayout);
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viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
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| SWT.V_SCROLL | SWT.FULL_SELECTION);
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createColumns(viewer);
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viewer.getControl().addMouseListener(new LinkListener());
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viewer.setContentProvider(new PolytomousKeyListContentProvider());
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viewer.setLabelProvider(new PolytomousKeyListLabelProvider());
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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(), "eu.etaxonomy.taxeditor.editor.popupmenu.polytomouskeylisteditor");
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}
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public int getTableItemCount() {
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if (viewer != null && viewer.getTable() != null) {
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return viewer.getTable().getItemCount();
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}
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return 0;
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}
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public PolytomousKey getViewerInputKey() {
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return ((PolytomousKeyEditorInput) viewer.getInput()).getKey();
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}
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// This will create the columns for the table
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private void createColumns(TableViewer viewer) {
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Table table = viewer.getTable();
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String[] titles = { Messages.PolytomousKeyListEditor_NODE, Messages.PolytomousKeyListEditor_QUESTION, Messages.PolytomousKeyListEditor_EDGE, Messages.PolytomousKeyListEditor_STATEMENT, Messages.PolytomousKeyListEditor_LINK, Messages.PolytomousKeyListEditor_TAXON };
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int[] bounds = { 50, 200, 50, 200, 100, 200 };
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for (int i = 0; i < titles.length; i++) {
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TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
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column.getColumn().setText(titles[i]);
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column.getColumn().setWidth(bounds[i]);
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column.getColumn().setResizable(true);
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column.getColumn().setMoveable(true);
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}
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table.setHeaderVisible(true);
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table.setLinesVisible(false);
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}
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@Focus
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public void setFocus() {
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if(viewer!=null && viewer.getControl()!=null){
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viewer.getControl().setFocus();
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}
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if(input!=null){
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input.bind();
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}
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}
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@Override
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public void changed(Object element) {
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if(element != null) {
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viewer.update(element, null);
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}
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if (element instanceof PolytomousKeyNode) {
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List<PolytomousKeyNode> children = ((PolytomousKeyNode) element)
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.getParent().getChildren();
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for (PolytomousKeyNode child : children) {
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viewer.update(child, null);
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}
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}
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dirty.setDirty(true);
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viewer.refresh();
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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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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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viewer.refresh();
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getConversationHolder().bind();
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getConversationHolder().commit(true);
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//FIXME E4 migrate/delete
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// editor.changed(objectAffectedByOperation);
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if (objectAffectedByOperation != null) {
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viewer.setSelection(new StructuredSelection(
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objectAffectedByOperation), true);
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}
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return true;
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}
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@Override
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public boolean onComplete() {
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return true;
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}
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}
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