Examples with CompositeLayer org.eclipse.nebula.widgets.nattable.layer.CompositeLayer used on opensource projects

Example 11 with CompositeLayer

use of org.eclipse.nebula.widgets.nattable.layer.CompositeLayer in project nebula.widgets.nattable by eclipse.

the class _6051_GroupByExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    // create a new ConfigRegistry which will be needed for GlazedLists
    // handling
    ConfigRegistry configRegistry = new ConfigRegistry();
    // property names of the Person class
    String[] propertyNames = { "firstName", "lastName", "gender", "married", "birthday", "address.street", "address.housenumber", "address.postalCode", "address.city" };
    // mapping from property to label, needed for column header labels
    Map<String, String> propertyToLabelMap = new HashMap<>();
    propertyToLabelMap.put("firstName", "Firstname");
    propertyToLabelMap.put("lastName", "Lastname");
    propertyToLabelMap.put("gender", "Gender");
    propertyToLabelMap.put("married", "Married");
    propertyToLabelMap.put("birthday", "Birthday");
    propertyToLabelMap.put("address.street", "Street");
    propertyToLabelMap.put("address.housenumber", "Housenumber");
    propertyToLabelMap.put("address.postalCode", "Postal Code");
    propertyToLabelMap.put("address.city", "City");
    IColumnPropertyAccessor<PersonWithAddress> columnPropertyAccessor = new ExtendedReflectiveColumnPropertyAccessor<>(propertyNames);
    BodyLayerStack<PersonWithAddress> bodyLayerStack = new BodyLayerStack<>(PersonService.getPersonsWithAddress(100), columnPropertyAccessor);
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    ColumnHeaderLayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // build the row header layer
    IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyLayerStack.getBodyDataProvider());
    DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
    ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider);
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, columnHeaderLayer);
    // build the grid layer
    GridLayer gridLayer = new GridLayer(bodyLayerStack, columnHeaderLayer, rowHeaderLayer, cornerLayer);
    // set the group by header on top of the grid
    CompositeLayer compositeGridLayer = new CompositeLayer(1, 2);
    final GroupByHeaderLayer groupByHeaderLayer = new GroupByHeaderLayer(bodyLayerStack.getGroupByModel(), gridLayer, columnHeaderDataProvider, columnHeaderLayer);
    compositeGridLayer.setChildLayer(GroupByHeaderLayer.GROUP_BY_REGION, groupByHeaderLayer, 0, 0);
    compositeGridLayer.setChildLayer("Grid", gridLayer, 0, 1);
    // turn the auto configuration off as we want to add our header menu
    // configuration
    NatTable natTable = new NatTable(parent, compositeGridLayer, false);
    // as the autoconfiguration of the NatTable is turned off, we have to
    // add the DefaultNatTableStyleConfiguration and the ConfigRegistry
    // manually
    natTable.setConfigRegistry(configRegistry);
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
    // add group by configuration
    natTable.addConfiguration(new GroupByHeaderMenuConfiguration(natTable, groupByHeaderLayer));
    natTable.addConfiguration(new HeaderMenuConfiguration(natTable) {

        @Override
        protected PopupMenuBuilder createCornerMenu(NatTable natTable) {
            return super.createCornerMenu(natTable).withStateManagerMenuItemProvider().withMenuItemProvider(new IMenuItemProvider() {

                @Override
                public void addMenuItem(NatTable natTable, Menu popupMenu) {
                    MenuItem menuItem = new MenuItem(popupMenu, SWT.PUSH);
                    // $NON-NLS-1$
                    menuItem.setText("Toggle Group By Header");
                    menuItem.setEnabled(true);
                    menuItem.addSelectionListener(new SelectionAdapter() {

                        @Override
                        public void widgetSelected(SelectionEvent event) {
                            groupByHeaderLayer.setVisible(!groupByHeaderLayer.isVisible());
                        }
                    });
                }
            }).withMenuItemProvider(new IMenuItemProvider() {

                @Override
                public void addMenuItem(final NatTable natTable, Menu popupMenu) {
                    MenuItem menuItem = new MenuItem(popupMenu, SWT.PUSH);
                    // $NON-NLS-1$
                    menuItem.setText("Collapse All");
                    menuItem.setEnabled(true);
                    menuItem.addSelectionListener(new SelectionAdapter() {

                        @Override
                        public void widgetSelected(SelectionEvent event) {
                            natTable.doCommand(new TreeCollapseAllCommand());
                        }
                    });
                }
            }).withMenuItemProvider(new IMenuItemProvider() {

                @Override
                public void addMenuItem(final NatTable natTable, Menu popupMenu) {
                    MenuItem menuItem = new MenuItem(popupMenu, SWT.PUSH);
                    // $NON-NLS-1$
                    menuItem.setText("Expand All");
                    menuItem.setEnabled(true);
                    menuItem.addSelectionListener(new SelectionAdapter() {

                        @Override
                        public void widgetSelected(SelectionEvent event) {
                            natTable.doCommand(new TreeExpandAllCommand());
                        }
                    });
                }
            }).withMenuItemProvider(new IMenuItemProvider() {

                @Override
                public void addMenuItem(final NatTable natTable, Menu popupMenu) {
                    MenuItem menuItem = new MenuItem(popupMenu, SWT.PUSH);
                    // $NON-NLS-1$
                    menuItem.setText("Expand to Level 2");
                    menuItem.setEnabled(true);
                    menuItem.addSelectionListener(new SelectionAdapter() {

                        @Override
                        public void widgetSelected(SelectionEvent event) {
                            natTable.doCommand(new TreeExpandToLevelCommand(2));
                        }
                    });
                }
            });
        }
    });
    natTable.configure();
    natTable.registerCommandHandler(new DisplayPersistenceDialogCommandHandler(natTable));
    return natTable;
}

Example 12 with CompositeLayer

use of org.eclipse.nebula.widgets.nattable.layer.CompositeLayer in project nebula.widgets.nattable by eclipse.

the class _6052_GroupByCustomTypesExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    // create a new ConfigRegistry which will be needed for GlazedLists
    // handling
    ConfigRegistry configRegistry = new ConfigRegistry();
    String[] propertyNames = { "name", "age", "money", "gender", "city" };
    // mapping from property to label, needed for column header labels
    Map<String, String> propertyToLabelMap = new HashMap<>();
    propertyToLabelMap.put("name", "Name");
    propertyToLabelMap.put("age", "Age");
    propertyToLabelMap.put("money", "Money");
    propertyToLabelMap.put("gender", "Gender");
    propertyToLabelMap.put("city", "City");
    IColumnPropertyAccessor<MyRowObject> columnPropertyAccessor = new ReflectiveColumnPropertyAccessor<>(propertyNames);
    BodyLayerStack<MyRowObject> bodyLayerStack = new BodyLayerStack<>(createMyRowObjects(50), columnPropertyAccessor);
    // add a label accumulator to be able to register converter
    bodyLayerStack.getBodyDataLayer().setConfigLabelAccumulator(new ColumnLabelAccumulator());
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    ILayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // also set the config label accumulator to the column header to make
    // the ISortModel work correctly
    columnHeaderDataLayer.setConfigLabelAccumulator(new ColumnLabelAccumulator());
    // build the row header layer
    IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyLayerStack.getBodyDataProvider());
    DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
    ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider);
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, columnHeaderLayer);
    // build the grid layer
    GridLayer gridLayer = new GridLayer(bodyLayerStack, columnHeaderLayer, rowHeaderLayer, cornerLayer);
    // set the group by header on top of the grid
    CompositeLayer compositeGridLayer = new CompositeLayer(1, 2);
    final GroupByHeaderLayer groupByHeaderLayer = new GroupByHeaderLayer(bodyLayerStack.getGroupByModel(), gridLayer, columnHeaderDataProvider);
    compositeGridLayer.setChildLayer(GroupByHeaderLayer.GROUP_BY_REGION, groupByHeaderLayer, 0, 0);
    compositeGridLayer.setChildLayer("Grid", gridLayer, 0, 1);
    // turn the auto configuration off as we want to add our header menu
    // configuration
    NatTable natTable = new NatTable(parent, compositeGridLayer, false);
    // as the autoconfiguration of the NatTable is turned off, we have to
    // add the
    // DefaultNatTableStyleConfiguration and the ConfigRegistry manually
    natTable.setConfigRegistry(configRegistry);
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
    // add group by configuration
    natTable.addConfiguration(new GroupByHeaderMenuConfiguration(natTable, groupByHeaderLayer));
    natTable.addConfiguration(new MyRowObjectTableConfiguration());
    natTable.addConfiguration(new HeaderMenuConfiguration(natTable) {

        @Override
        protected PopupMenuBuilder createCornerMenu(NatTable natTable) {
            return super.createCornerMenu(natTable).withStateManagerMenuItemProvider().withMenuItemProvider(new IMenuItemProvider() {

                @Override
                public void addMenuItem(NatTable natTable, Menu popupMenu) {
                    MenuItem menuItem = new MenuItem(popupMenu, SWT.PUSH);
                    // $NON-NLS-1$
                    menuItem.setText("Toggle Group By Header");
                    menuItem.setEnabled(true);
                    menuItem.addSelectionListener(new SelectionAdapter() {

                        @Override
                        public void widgetSelected(SelectionEvent event) {
                            groupByHeaderLayer.setVisible(!groupByHeaderLayer.isVisible());
                        }
                    });
                }
            });
        }
    });
    // the composition in this example does not have a SortHeaderLayer
    // but in order to show the custom objects sorted by comparator, we
    // need to set the appropriate ISortModel to the GroupByDataLayer
    bodyLayerStack.bodyDataLayer.initializeTreeComparator(new GlazedListsSortModel<>(bodyLayerStack.sortedList, columnPropertyAccessor, configRegistry, columnHeaderDataLayer), null, false);
    natTable.configure();
    natTable.registerCommandHandler(new DisplayPersistenceDialogCommandHandler(natTable));
    return natTable;
}

Example 13 with CompositeLayer

use of org.eclipse.nebula.widgets.nattable.layer.CompositeLayer in project nebula.widgets.nattable by eclipse.

the class _6053_GroupBySummaryExample method createExampleControl.

@Override
public Control createExampleControl(Composite parent) {
    Composite container = new Composite(parent, SWT.NONE);
    container.setLayout(new GridLayout());
    // create a new ConfigRegistry which will be needed for GlazedLists
    // handling
    final ConfigRegistry configRegistry = new ConfigRegistry();
    // property names of the ExtendedPersonWithAddress class
    String[] propertyNames = { "firstName", "lastName", "age", "money", "married", "gender", "birthday" };
    // mapping from property to label, needed for column header labels
    Map<String, String> propertyToLabelMap = new HashMap<>();
    propertyToLabelMap.put("firstName", "Firstname");
    propertyToLabelMap.put("lastName", "Lastname");
    propertyToLabelMap.put("age", "Age");
    propertyToLabelMap.put("money", "Money");
    propertyToLabelMap.put("married", "Married");
    propertyToLabelMap.put("gender", "Gender");
    propertyToLabelMap.put("birthday", "Birthday");
    final IColumnPropertyAccessor<ExtendedPersonWithAddress> columnPropertyAccessor = new ExtendedReflectiveColumnPropertyAccessor<>(propertyNames);
    // to enable the group by summary feature, the GroupByDataLayer needs to
    // know the ConfigRegistry
    final BodyLayerStack<ExtendedPersonWithAddress> bodyLayerStack = new BodyLayerStack<>(PersonService.getExtendedPersonsWithAddress(100), columnPropertyAccessor, configRegistry);
    bodyLayerStack.getBodyDataLayer().setConfigLabelAccumulator(new ColumnLabelAccumulator());
    // build the column header layer
    IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
    DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
    ILayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // add sorting
    SortHeaderLayer<ExtendedPersonWithAddress> sortHeaderLayer = new SortHeaderLayer<>(columnHeaderLayer, new GlazedListsSortModel<>(bodyLayerStack.getSortedList(), columnPropertyAccessor, configRegistry, columnHeaderDataLayer), false);
    // connect sortModel to GroupByDataLayer to support sorting by group by
    // summary values
    bodyLayerStack.getBodyDataLayer().initializeTreeComparator(sortHeaderLayer.getSortModel(), bodyLayerStack.getTreeLayer(), true);
    // build the row header layer
    IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyLayerStack.getBodyDataProvider());
    DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
    ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, bodyLayerStack, bodyLayerStack.getSelectionLayer());
    // build the corner layer
    IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider);
    DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
    ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, sortHeaderLayer);
    // build the grid layer
    GridLayer gridLayer = new GridLayer(bodyLayerStack, sortHeaderLayer, rowHeaderLayer, cornerLayer);
    // set the group by header on top of the grid
    CompositeLayer compositeGridLayer = new CompositeLayer(1, 2);
    final GroupByHeaderLayer groupByHeaderLayer = new GroupByHeaderLayer(bodyLayerStack.getGroupByModel(), gridLayer, columnHeaderDataProvider);
    compositeGridLayer.setChildLayer(GroupByHeaderLayer.GROUP_BY_REGION, groupByHeaderLayer, 0, 0);
    compositeGridLayer.setChildLayer("Grid", gridLayer, 0, 1);
    // turn the auto configuration off as we want to add our header menu
    // configuration
    final NatTable natTable = new NatTable(container, compositeGridLayer, false);
    // as the autoconfiguration of the NatTable is turned off, we have to
    // add the DefaultNatTableStyleConfiguration and the ConfigRegistry
    // manually
    natTable.setConfigRegistry(configRegistry);
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
    // add some additional styling
    natTable.addConfiguration(new AbstractRegistryConfiguration() {

        @Override
        public void configureRegistry(IConfigRegistry configRegistry) {
            configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_PAINTER, new CheckBoxPainter(), DisplayMode.NORMAL, ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 4);
            // set a custom display converter to the money column
            // that transforms the values correctly localized
            configRegistry.registerConfigAttribute(CellConfigAttributes.DISPLAY_CONVERTER, new DefaultDoubleDisplayConverter(), DisplayMode.NORMAL, ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 3);
            configRegistry.registerConfigAttribute(CellConfigAttributes.DISPLAY_CONVERTER, new GenderDisplayConverter(), DisplayMode.NORMAL, ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 5);
        }
    });
    // add sorting configuration
    natTable.addConfiguration(new SingleClickSortConfiguration());
    this.sumMoneySummaryProvider = new SummationGroupBySummaryProvider<>(columnPropertyAccessor);
    this.avgMoneySummaryProvider = new AverageMoneyGroupBySummaryProvider();
    // add group by summary configuration
    natTable.addConfiguration(new AbstractRegistryConfiguration() {

        @Override
        public void configureRegistry(IConfigRegistry configRegistry) {
            configRegistry.registerConfigAttribute(GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER, _6053_GroupBySummaryExample.this.sumMoneySummaryProvider, DisplayMode.NORMAL, GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
            configRegistry.registerConfigAttribute(GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER, new AverageAgeGroupBySummaryProvider(), DisplayMode.NORMAL, GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 2);
            configRegistry.registerConfigAttribute(GroupByConfigAttributes.GROUP_BY_CHILD_COUNT_PATTERN, "[{0}] - ({1})");
        }
    });
    // add group by header configuration
    natTable.addConfiguration(new GroupByHeaderMenuConfiguration(natTable, groupByHeaderLayer));
    natTable.addConfiguration(new AbstractHeaderMenuConfiguration(natTable) {

        @Override
        protected PopupMenuBuilder createColumnHeaderMenu(NatTable natTable) {
            return super.createColumnHeaderMenu(natTable).withHideColumnMenuItem().withShowAllColumnsMenuItem().withStateManagerMenuItemProvider();
        }

        @Override
        protected PopupMenuBuilder createCornerMenu(NatTable natTable) {
            return super.createCornerMenu(natTable).withShowAllColumnsMenuItem().withStateManagerMenuItemProvider();
        }
    });
    natTable.configure();
    natTable.registerCommandHandler(new DisplayPersistenceDialogCommandHandler(natTable));
    GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
    Composite buttonPanel = new Composite(container, SWT.NONE);
    buttonPanel.setLayout(new RowLayout());
    GridDataFactory.fillDefaults().grab(true, false).applyTo(buttonPanel);
    Button toggleHeaderButton = new Button(buttonPanel, SWT.PUSH);
    toggleHeaderButton.setText("Toggle Group By Header");
    toggleHeaderButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            groupByHeaderLayer.setVisible(!groupByHeaderLayer.isVisible());
        }
    });
    Button collapseAllButton = new Button(buttonPanel, SWT.PUSH);
    collapseAllButton.setText("Collapse All");
    collapseAllButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            natTable.doCommand(new TreeCollapseAllCommand());
        }
    });
    Button expandAllButton = new Button(buttonPanel, SWT.PUSH);
    expandAllButton.setText("Expand All");
    expandAllButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            natTable.doCommand(new TreeExpandAllCommand());
        }
    });
    Button toggleMoneySummaryButton = new Button(buttonPanel, SWT.PUSH);
    toggleMoneySummaryButton.setText("Toggle Money Group Summary (SUM/AVG)");
    toggleMoneySummaryButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            // clear the group by summary cache so the new summary
            // calculation gets triggered
            bodyLayerStack.getBodyDataLayer().clearCache();
            _6053_GroupBySummaryExample.this.useMoneySum = !_6053_GroupBySummaryExample.this.useMoneySum;
            if (_6053_GroupBySummaryExample.this.useMoneySum) {
                configRegistry.registerConfigAttribute(GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER, _6053_GroupBySummaryExample.this.sumMoneySummaryProvider, DisplayMode.NORMAL, GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
            } else {
                configRegistry.registerConfigAttribute(GroupByConfigAttributes.GROUP_BY_SUMMARY_PROVIDER, _6053_GroupBySummaryExample.this.avgMoneySummaryProvider, DisplayMode.NORMAL, GroupByDataLayer.GROUP_BY_COLUMN_PREFIX + 3);
            }
            natTable.doCommand(new VisualRefreshCommand());
        }
    });
    return container;
}

Example 14 with CompositeLayer

use of org.eclipse.nebula.widgets.nattable.layer.CompositeLayer in project nebula.widgets.nattable by eclipse.

the class TextPainter_Examples method createNatTable3.

@SuppressWarnings("unused")
private void createNatTable3(Composite parent, final ICellPainter painter) {
    IDataProvider bodyDataProvider = new ExampleHeaderDataProvider();
    DataLayer dataLayer = new DataLayer(bodyDataProvider);
    SelectionLayer selectionLayer = new SelectionLayer(dataLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    ILayer columnHeaderLayer = new ColumnHeaderLayer(new DataLayer(new DummyColumnHeaderDataProvider(bodyDataProvider)), viewportLayer, selectionLayer);
    CompositeLayer compositeLayer = new CompositeLayer(1, 2);
    compositeLayer.setChildLayer(GridRegion.COLUMN_HEADER, columnHeaderLayer, 0, 0);
    compositeLayer.setChildLayer(GridRegion.BODY, viewportLayer, 0, 1);
    NatTable natTable = new NatTable(parent, compositeLayer, false);
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration() {

        {
            this.vAlign = VerticalAlignmentEnum.TOP;
            this.hAlign = HorizontalAlignmentEnum.LEFT;
            this.cellPainter = new LineBorderDecorator(painter);
            this.font = GUIHelper.getFont(new FontData("Arial", 20, SWT.NORMAL));
        }
    });
    natTable.configure();
    GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
}

Example 15 with CompositeLayer

use of org.eclipse.nebula.widgets.nattable.layer.CompositeLayer in project nebula.widgets.nattable by eclipse.

the class TextPainter_Examples method createNatTable.

private void createNatTable(Composite parent, final ICellPainter painter) {
    IDataProvider bodyDataProvider = new ExampleTextBodyDataProvider();
    DataLayer dataLayer = new DataLayer(bodyDataProvider);
    dataLayer.setRowHeightByPosition(0, 32);
    SelectionLayer selectionLayer = new SelectionLayer(dataLayer);
    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
    ILayer columnHeaderLayer = new ColumnHeaderLayer(new DataLayer(new DummyColumnHeaderDataProvider(bodyDataProvider)), viewportLayer, selectionLayer);
    CompositeLayer compositeLayer = new CompositeLayer(1, 2);
    compositeLayer.setChildLayer(GridRegion.COLUMN_HEADER, columnHeaderLayer, 0, 0);
    compositeLayer.setChildLayer(GridRegion.BODY, viewportLayer, 0, 1);
    NatTable natTable = new NatTable(parent, compositeLayer, false);
    natTable.addConfiguration(new DefaultNatTableStyleConfiguration() {

        {
            this.vAlign = VerticalAlignmentEnum.TOP;
            this.hAlign = HorizontalAlignmentEnum.LEFT;
            this.cellPainter = new LineBorderDecorator(painter);
        }
    });
    natTable.configure();
    GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
}