Example usage for org.eclipse.jface.viewers TreeViewerColumn TreeViewerColumn

List of usage examples for org.eclipse.jface.viewers TreeViewerColumn TreeViewerColumn

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers TreeViewerColumn TreeViewerColumn.

Prototype

public TreeViewerColumn(TreeViewer viewer, TreeColumn column)

Source Link

Document

Creates a new viewer column for the given TreeViewer on the given TreeColumn .

Usage

From source file:de.byteholder.geoclipse.mapprovider.DialogMPProfile.java

License:Open Source License

/**
 * create columns for the tree viewer//from w w  w .  j a  v  a2s. co m
 * 
 * @param pixelConverter
 */
private void createUI116ViewerColumns(final TreeColumnLayout treeLayout, final PixelConverter pixelConverter) {

    TreeViewerColumn tvc;
    TreeColumn tc;

    /*
     * column: map provider
     */
    tvc = new TreeViewerColumn(_treeViewer, SWT.LEAD);
    tc = tvc.getColumn();
    tc.setText(Messages.Dialog_MapProfile_Column_MapProvider);
    tc.setToolTipText(Messages.Dialog_MapProfile_Column_MapProvider_Tooltip);
    tvc.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {

            final StyledString styledString = new StyledString();
            final Object element = cell.getElement();

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();
                final MP mapProvider = mpWrapper.getMP();

                styledString.append(mapProvider.getName());

                cell.setImage(mpWrapper.isDisplayedInMap() ? _imageMap : _imagePlaceholder);

            } else if (element instanceof TVIWmsLayer) {

                final MtLayer mtLayer = ((TVIWmsLayer) element).getMtLayer();

                styledString.append(mtLayer.getGeoLayer().getTitle());

                styledString.append("  (", StyledString.QUALIFIER_STYLER);//$NON-NLS-1$
                styledString.append(mtLayer.getGeoLayer().getName(), StyledString.QUALIFIER_STYLER);
                styledString.append(")", StyledString.QUALIFIER_STYLER);//$NON-NLS-1$

                cell.setImage(mtLayer.isDisplayedInMap() ? _imageLayer : _imagePlaceholder);

            } else {
                styledString.append(element.toString());
            }

            cell.setText(styledString.getString());
            cell.setStyleRanges(styledString.getStyleRanges());
        }
    });
    treeLayout.setColumnData(tc, new ColumnWeightData(100, true));

    /*
     * column: is visible
     */
    tvc = new TreeViewerColumn(_treeViewer, SWT.LEAD);
    tc = tvc.getColumn();
    tc.setText(Messages.Dialog_MapProfile_Column_IsVisible);
    tc.setToolTipText(Messages.Dialog_MapProfile_Column_IsVisible_Tooltip);
    tvc.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {

            final Object element = cell.getElement();

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();

                cell.setText(Boolean.toString(mpWrapper.isDisplayedInMap()));

            } else if (element instanceof TVIWmsLayer) {

                final MtLayer mtLayer = ((TVIWmsLayer) element).getMtLayer();

                cell.setText(Boolean.toString(mtLayer.isDisplayedInMap()));

            } else {
                cell.setText(UI.EMPTY_STRING);
            }
        }
    });

    tvc.setEditingSupport(new EditingSupport(_treeViewer) {

        private final CheckboxCellEditor fCellEditor = new CheckboxCellEditor(_treeViewer.getTree());

        @Override
        protected boolean canEdit(final Object element) {

            if (element instanceof TVIMapProvider) {

                final TVIMapProvider tvi = (TVIMapProvider) element;
                final MP mapProvider = tvi.getMapProviderWrapper().getMP();

                if (mapProvider instanceof MPWms) {

                    // wms can be toggled when at least one layer is displayed

                    return canWmsBeDisplayed((MPWms) mapProvider);
                }
            }

            return true;
        }

        @Override
        protected CellEditor getCellEditor(final Object element) {
            return fCellEditor;
        }

        @Override
        protected Object getValue(final Object element) {

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();

                return mpWrapper.isDisplayedInMap();

            } else if (element instanceof TVIWmsLayer) {

                final MtLayer mtLayer = ((TVIWmsLayer) element).getMtLayer();

                return mtLayer.isDisplayedInMap();
            }

            return null;
        }

        @Override
        protected void setValue(final Object element, final Object value) {

            final boolean isChecked = ((Boolean) value);

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();

                mpWrapper.setIsDisplayedInMap(isChecked);

                if (isChecked) {

                    /*
                     * remove parent tiles from loading cache because they can have loading
                     * errors (from their children) which prevents them to be loaded again
                     */
                    _mpProfile.resetParentTiles();
                }

                enableProfileMapButton();

            } else if (element instanceof TVIWmsLayer) {

                final TVIWmsLayer tviLayer = (TVIWmsLayer) element;
                final MtLayer mtLayer = tviLayer.getMtLayer();

                mtLayer.setIsDisplayedInMap(isChecked);

                updateMVMapProvider(tviLayer);
            }

            // update viewer
            getViewer().update(element, null);

            updateLiveView();
        }
    });
    treeLayout.setColumnData(tc, new ColumnPixelData(pixelConverter.convertWidthInCharsToPixels(10)));

    /*
     * column: alpha
     */
    tvc = new TreeViewerColumn(_treeViewer, SWT.LEAD);
    tc = tvc.getColumn();
    tc.setText(Messages.Dialog_MapProfile_Column_Alpha);
    tc.setToolTipText(Messages.Dialog_MapProfile_Column_Alpha_Tooltip);
    tvc.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {

            final Object element = cell.getElement();

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();

                cell.setText(Integer.toString(mpWrapper.getAlpha()));

            } else {

                cell.setText(UI.EMPTY_STRING);
            }
        }
    });
    treeLayout.setColumnData(tc, new ColumnPixelData(pixelConverter.convertWidthInCharsToPixels(10)));

    /*
     * column: brightness
     */
    tvc = new TreeViewerColumn(_treeViewer, SWT.LEAD);
    tc = tvc.getColumn();
    tc.setText(Messages.Dialog_MapProfile_Column_Brightness);
    tc.setToolTipText(Messages.Dialog_MapProfile_Column_Brightness_Tooltip);
    tvc.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {

            final Object element = cell.getElement();

            if (element instanceof TVIMapProvider) {

                final MPWrapper mpWrapper = ((TVIMapProvider) element).getMapProviderWrapper();

                cell.setText(mpWrapper.isBrightnessForNextMp()
                        ? Integer.toString(mpWrapper.getBrightnessValueForNextMp())
                        : UI.EMPTY_STRING);

            } else {

                cell.setText(UI.EMPTY_STRING);
            }
        }
    });
    treeLayout.setColumnData(tc, new ColumnPixelData(pixelConverter.convertWidthInCharsToPixels(10)));

    /*
     * column: empty to prevent scrolling to the right when the right column is selected
     */
    tvc = new TreeViewerColumn(_treeViewer, SWT.LEAD);
    tvc.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            /*
             * !!! label provider is necessary to prevent a NPE !!!
             */
        }
    });
    tc = tvc.getColumn();
    treeLayout.setColumnData(tc, new ColumnPixelData(pixelConverter.convertWidthInCharsToPixels(4)));

}

From source file:de.dentrassi.eclipse.rpm.editor.ContentTable.java

License:Open Source License

private void createColumn(final TreeColumnLayout layout, final String label, final int weight, final int flags,
        final BiConsumer<Node, ViewerCell> consumer) {
    {//from www.  j ava2  s .c  o  m
        final TreeViewerColumn col = new TreeViewerColumn(this.viewer, flags);
        col.getColumn().setText(label);
        col.setLabelProvider(new CellLabelProvider() {

            @Override
            public void update(final ViewerCell cell) {
                final Object ele = cell.getElement();
                if (ele instanceof Node) {
                    final MetaInformation meta = ContentTable.this.meta.get(((Node) ele).getFullName());
                    if (meta == null) {
                        cell.setForeground(ContentTable.this.dimmedColor);
                    }
                    consumer.accept((Node) ele, cell);
                }
            }
        });
        layout.setColumnData(col.getColumn(), new ColumnWeightData(weight));
    }
}

From source file:de.dentrassi.eclipse.rpm.editor.DependenciesTable.java

License:Open Source License

public DependenciesTable(final Composite parent) {
    this.wrapper = new Composite(parent, SWT.NO_BACKGROUND);
    parent.setLayout(new FillLayout());

    this.viewer = new TreeViewer(this.wrapper, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);

    final TreeColumnLayout layout = new TreeColumnLayout();

    {//from  ww w.ja  v a  2 s. c  om
        final TreeViewerColumn col = new TreeViewerColumn(this.viewer, SWT.NONE);
        col.getColumn().setText("Name");
        col.setLabelProvider(new CellLabelProvider() {

            @Override
            public void update(final ViewerCell cell) {
                final Object ele = cell.getElement();
                if (ele instanceof Map.Entry<?, ?>) {
                    final String label = ((Map.Entry<?, ?>) ele).getKey().toString();
                    cell.setText(label);
                } else if (ele instanceof Dependency) {
                    final Dependency dep = (Dependency) ele;
                    cell.setText(dep.getName());
                }
            }
        });
        layout.setColumnData(col.getColumn(), new ColumnWeightData(5));
    }

    {
        final TreeViewerColumn col = new TreeViewerColumn(this.viewer, SWT.NONE);
        col.getColumn().setText("Op");
        col.setLabelProvider(new CellLabelProvider() {

            @Override
            public void update(final ViewerCell cell) {
                final Object ele = cell.getElement();
                if (ele instanceof Dependency) {
                    final Dependency dep = (Dependency) ele;

                    final EnumSet<RpmDependencyFlags> flags = dep.getFlags();

                    final StringBuilder sb = new StringBuilder();

                    for (final RpmDependencyFlags flag : flags) {
                        switch (flag) {
                        case LESS:
                            sb.append("<");
                            break;
                        case EQUAL:
                            sb.append("=");
                            break;
                        case GREATER:
                            sb.append(">");
                            break;
                        default:
                            break;
                        }
                    }

                    cell.setText(sb.toString());
                }
            }
        });
        layout.setColumnData(col.getColumn(), new ColumnWeightData(1));
    }

    {
        final TreeViewerColumn col = new TreeViewerColumn(this.viewer, SWT.NONE);
        col.getColumn().setText("Version");
        col.setLabelProvider(new CellLabelProvider() {

            @Override
            public void update(final ViewerCell cell) {
                final Object ele = cell.getElement();
                if (ele instanceof Dependency) {
                    final Dependency dep = (Dependency) ele;
                    cell.setText(dep.getVersion());
                }
            }
        });
        layout.setColumnData(col.getColumn(), new ColumnWeightData(5));
    }

    {
        final TreeViewerColumn col = new TreeViewerColumn(this.viewer, SWT.NONE);
        col.getColumn().setText("Flags");
        col.setLabelProvider(new CellLabelProvider() {

            @Override
            public void update(final ViewerCell cell) {
                final Object ele = cell.getElement();
                if (ele instanceof Dependency) {
                    final Dependency dep = (Dependency) ele;

                    final EnumSet<RpmDependencyFlags> flags = dep.getFlags();

                    final String text = flags.stream().map(RpmDependencyFlags::name)
                            .collect(Collectors.joining(", "));

                    cell.setText(text);
                }
            }
        });
        layout.setColumnData(col.getColumn(), new ColumnWeightData(5));
    }

    this.wrapper.setLayout(layout);
    this.viewer.getTree().setHeaderVisible(true);

    final ITreePathContentProvider p = new ITreePathContentProvider() {

        @Override
        public boolean hasChildren(final TreePath path) {
            final Object[] children = getChildren(path);
            return children != null && children.length > 0;
        }

        @Override
        public TreePath[] getParents(final Object element) {
            return new TreePath[0];
        }

        @Override
        public Object[] getElements(final Object inputElement) {
            if (inputElement instanceof Map<?, ?>) {
                return ((Map<?, ?>) inputElement).entrySet().toArray();
            } else if (inputElement instanceof Map.Entry<?, ?>) {
                final Object val = ((Map.Entry<?, ?>) inputElement).getValue();
                if (val instanceof Collection<?>) {
                    return ((Collection<?>) val).toArray();
                }
            }
            return null;
        }

        @Override
        public Object[] getChildren(final TreePath parentPath) {
            return getElements(parentPath.getLastSegment());
        }
    };
    this.viewer.setContentProvider(p);
}

From source file:de.dentrassi.eclipse.rpm.editor.HeaderTable.java

License:Open Source License

private void createColumnCell(final AbstractColumnLayout layout, final String name, final int weight,
        final Consumer<ViewerCell> cellUpdater) {
    final TreeViewerColumn col = new TreeViewerColumn(this.viewer, SWT.NONE);
    col.setLabelProvider(new StyledCellLabelProvider() {

        @Override/* w w  w. jav  a  2  s .c  om*/
        public void update(final ViewerCell cell) {
            cellUpdater.accept(cell);
        }
    });
    col.getColumn().setText(name);
    layout.setColumnData(col.getColumn(), new ColumnWeightData(weight));
}

From source file:de.dfki.iui.mmds.sdk.editors.grammar_rules.EObjectTreeViewerComposite.java

License:Creative Commons License

public EObjectTreeViewerComposite(Composite parent, int style, final RulesEditor editor,
        ContentListComposite connectedList) {
    super(parent, style);
    this.editor = editor;
    this.connectedList = connectedList;
    setLayout(new FormLayout());

    treeViewer = new TreeViewer(this, SWT.MULTI | SWT.BORDER);
    Tree tree = treeViewer.getTree();//  ww  w. ja v  a2s  .  co  m
    FormData fd_tree = new FormData();
    fd_tree.bottom = new FormAttachment(100, -MARGIN);
    fd_tree.right = new FormAttachment(100, -MARGIN);
    fd_tree.top = new FormAttachment(0, MARGIN);
    fd_tree.left = new FormAttachment(0, MARGIN);
    tree.setLayoutData(fd_tree);
    tree.setHeaderVisible(true);

    TreeViewerColumn treeViewerColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
    TreeColumn trclmnInterpretation = treeViewerColumn.getColumn();
    trclmnInterpretation.setWidth(400);
    trclmnInterpretation.setText("Right click to enter an interpretation");

    // the default content and label providers provided from EMF are used
    treeViewer.setContentProvider(new AdapterFactoryContentProvider(this.editor.getAdapterFactory()));
    treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(this.editor.getAdapterFactory()));

    // on selection change the current viewer is set to the selected tree
    // viewer so the properties of the objects are shown in the properties
    // view
    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        // This ensures that we handle selections correctly.
        //
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
            if (selection != null) {
                editor.setCurrentViewer(treeViewer);
                editor.setSelection(selection);
            }
        }
    });
    createTreeViewerContextMenu();

    this.addFocusListener(new FocusListener() {

        @Override
        public void focusLost(FocusEvent e) {

        }

        @Override
        public void focusGained(FocusEvent e) {
            createTreeViewerContextMenu();
        }
    });
}

From source file:de.hentschel.visualdbc.statistic.ui.control.ProofReferenceComposite.java

License:Open Source License

/**
 * Constructor./*www . ja  va2  s. co  m*/
 * @param parent The parent {@link Composite}.
 * @param style The style to use.
 * @param editor The {@link IEditorPart} which provides the content.
 * @param proofReferenceProvider The {@link IProofReferenceProvider} to use.
 */
public ProofReferenceComposite(Composite parent, int style, IEditorPart editor,
        IProofReferenceProvider proofReferenceProvider) {
    super(parent, style);
    Assert.isNotNull(editor);
    Assert.isNotNull(proofReferenceProvider);
    this.editor = editor;
    this.proofReferenceProvider = proofReferenceProvider;
    editor.getEditorSite().getSelectionProvider().addSelectionChangedListener(selectionListener);
    // Create viewer
    TreeColumnLayout viewerLayout = new TreeColumnLayout();
    setLayout(viewerLayout);
    viewer = new TreeViewer(this, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.FULL_SELECTION);
    viewer.getTree().setHeaderVisible(true);
    viewer.getTree().setLinesVisible(true);
    viewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            handleDoubleClick(event);
        }
    });
    // Add main column
    TreeViewerColumn mainColumn = new TreeViewerColumn(viewer, SWT.NONE);
    mainColumn.getColumn().setText("Selected Element");
    mainColumn.getColumn().setMoveable(true);
    viewerLayout.setColumnData(mainColumn.getColumn(), new ColumnWeightData(40));
    // Add direction column
    TreeViewerColumn directionColumn = new TreeViewerColumn(viewer, SWT.NONE);
    directionColumn.getColumn().setText("Direction");
    directionColumn.getColumn().setMoveable(true);
    viewerLayout.setColumnData(directionColumn.getColumn(), new ColumnWeightData(10));
    // Add kind column
    TreeViewerColumn kindColumn = new TreeViewerColumn(viewer, SWT.NONE);
    kindColumn.getColumn().setText("Kind");
    kindColumn.getColumn().setMoveable(true);
    viewerLayout.setColumnData(kindColumn.getColumn(), new ColumnWeightData(20));
    // Add direction target column
    TreeViewerColumn directionTargetColumn = new TreeViewerColumn(viewer, SWT.NONE);
    directionTargetColumn.getColumn().setText("Direction Target");
    directionTargetColumn.getColumn().setMoveable(true);
    viewerLayout.setColumnData(directionTargetColumn.getColumn(), new ColumnWeightData(40));
    // Update content in viewer
    updateContent(editor.getEditorSite().getSelectionProvider().getSelection());
}

From source file:de.hentschel.visualdbc.statistic.ui.control.StatisticComposite.java

License:Open Source License

/**
 * Adds the columns to the viewer.//  ww w . ja v a2 s  . co  m
 * @param viewer The parent {@link TreeViewer}
 * @param viewerLayout The layout to arrange the columns in the {@link TreeViewer}.
 * @param model The {@link DbcModel} that contains the available proof obligations.
 */
protected List<DbcProofObligation> addColumsnToViewer(TreeViewer viewer, TreeColumnLayout viewerLayout,
        DbcModel model) {
    TreeViewerColumn mainColumn = new TreeViewerColumn(viewer, SWT.NONE);
    mainColumn.getColumn().setText("Main");
    mainColumn.getColumn().setMoveable(true);
    viewerLayout.setColumnData(mainColumn.getColumn(), new ColumnWeightData(100));
    List<DbcProofObligation> result = new LinkedList<DbcProofObligation>();
    if (model != null) {
        for (DbcProofObligation obligation : model.getProofObligations()) {
            if (selectedObligations.contains(obligation)) {
                TreeViewerColumn column = new TreeViewerColumn(viewer, SWT.NONE);
                column.getColumn().setText(obligation.getObligation());
                column.getColumn().setData(obligation);
                column.getColumn().setMoveable(true);
                viewerLayout.setColumnData(column.getColumn(), new ColumnWeightData(10));
                observedObligations.add(obligation);
                obligation.eAdapters().add(modelListener);
                result.add(obligation);
            }
        }
    }
    return result;
}

From source file:de.quamoco.adaptation.view.history.AdaptationHistoryFilteredTree.java

License:Apache License

@Override
protected void createColumns(TreeViewer treeViewer) {
    // Get the title, tool tips and bounds from Constants.TableColumns
    String titles[] = TableColumns.getTitles();
    String tooltips[] = TableColumns.getToolTips();
    int bounds[] = TableColumns.getBounds();

    for (int i = 0; i < titles.length; i++) {
        TreeViewerColumn column = new TreeViewerColumn(treeViewer, SWT.NONE);
        column.getColumn().setText(titles[i]);
        column.getColumn().setToolTipText(tooltips[i]);
        column.getColumn().setWidth(bounds[i]);
        column.getColumn().setResizable(true);
        column.getColumn().setMoveable(true);

        // Add selection listener for sorting
        ColumnSelectionListener columnSelectionListener = new ColumnSelectionListener(treeViewer,
                column.getColumn(), i);//from w  w  w .  j  av  a  2  s . c  om
        column.getColumn().addSelectionListener(columnSelectionListener);

        // If default sorting column mark it
        if (i == TableColumns.DEFAULT_SORT_COLUMN) {
            // Mark column as default sort column
            columnSelectionListener.widgetSelected(null);
        }

        if (i == TableColumns.JUSTIFICATION.INDEX) {
            EditingSupport editingSupport = new JustificationColumnEditingSupport(column.getViewer());
            column.setEditingSupport(editingSupport);
        }
    }
}

From source file:de.quamoco.adaptation.view.tasks.AdaptationTasksFilteredTree.java

License:Apache License

/**
 * Creates the columns for the {@link AdaptationTasksFilteredTree}.
 *///from   ww w  . ja v a2 s.  c o m
@Override
protected void createColumns(TreeViewer treeViewer) {
    // Get the title, tool tips and bounds from Constants.TableColumns
    String titles[] = TableColumns.getTitles();
    String tooltips[] = TableColumns.getToolTips();
    int bounds[] = TableColumns.getBounds();

    for (int i = 0; i < titles.length; i++) {
        TreeViewerColumn column = new TreeViewerColumn(treeViewer, SWT.NONE);
        column.getColumn().setText(titles[i]);
        column.getColumn().setToolTipText(tooltips[i]);
        column.getColumn().setWidth(bounds[i]);
        column.getColumn().setResizable(true);
        column.getColumn().setMoveable(true);

        // Add selection listener for sorting
        ColumnSelectionListener columnSelectionListener = new ColumnSelectionListener(treeViewer,
                column.getColumn(), i);
        column.getColumn().addSelectionListener(columnSelectionListener);

        // If default sorting column mark it
        if (i == TableColumns.DEFAULT_SORT_COLUMN) {
            // Mark column as default sort column
            columnSelectionListener.widgetSelected(null);
        }

        // Add editing support for the completed column
        if (i == TableColumns.COMPLETED.INDEX) {
            EditingSupport editingSupport = new CompletionColumnEditingSupport(column.getViewer());
            column.setEditingSupport(editingSupport);
            Image completeColumnHeader = Activator.getImageDescriptor("icons/header_complete.gif")
                    .createImage();
            column.getColumn().setImage(completeColumnHeader);
        }
    }
}

From source file:de.uni_hildesheim.sse.qmApp.dialogs.statistics.StatisticsDialog.java

License:Apache License

@Override
protected Control createDialogArea(Composite parent) {
    final Composite body = (Composite) super.createDialogArea(parent);

    final TreeViewer viewer = new TreeViewer(body, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    Tree table = viewer.getTree();// w w  w  .j  a  v a 2 s .  c  o m
    table.setLinesVisible(true);
    table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    viewer.setContentProvider(new StatisticsContentProvider());

    TreeViewerColumn column1 = new TreeViewerColumn(viewer, SWT.NONE);
    column1.setLabelProvider(new StatisticsLabelProvider(0));
    TreeColumn tc1 = column1.getColumn();
    TreeViewerColumn column2 = new TreeViewerColumn(viewer, SWT.NONE);
    column2.setLabelProvider(new StatisticsLabelProvider(1));
    TreeColumn tc2 = column2.getColumn();

    tc1.setText("Type");
    tc2.setText("No. of Elements");
    tc1.setWidth(375);
    tc2.setWidth(180);
    table.setHeaderVisible(true);

    // Variables
    fillTable();
    viewer.setInput(dataModel);
    viewer.expandAll();

    //Capture ESC-Key.
    body.addListener(SWT.Traverse, new Listener() {

        public void handleEvent(Event evt) {
            if (evt.detail == SWT.TRAVERSE_ESCAPE) {
                body.getShell().close();
            }
        }
    });
    return body;
}