<Nattable> FreezableGridExample

해당 커서를 기준으로 상단 로우와 하단 로우 데이터를 비교하기 위해 쓰임

 

Ctrl + Shift + F : Freez

Ctrl + Shift + U : Unfreez

 

package org.eclipse.nebula.widgets.nattable.examples.examples._100_Layers;

import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.config.DefaultNatTableStyleConfiguration;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.freeze.CompositeFreezeLayer;
import org.eclipse.nebula.widgets.nattable.freeze.FreezeLayer;
import org.eclipse.nebula.widgets.nattable.freeze.config.DefaultFreezeGridBindings;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultCornerDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultRowHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DummyBodyDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DummyColumnHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.layer.ColumnHeaderLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.CornerLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.DefaultColumnHeaderDataLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.DefaultRowHeaderDataLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.RowHeaderLayer;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.layer.stack.DefaultBodyLayerStack;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.ui.menu.HeaderMenuConfiguration;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/**
 * This fixture creates a simple, minimal 3x3 table with resizable columns whose
 * cells are of the form 'Row X, Col Y'.
 */
public class FreezableGridExample extends AbstractNatExample {

    @Override
    public String getDescription() {
        return "This example demonstrates the column and row freezing functionality of NatTable.\n"
                + "\n"
                + "* FREEZE COLUMNS AND ROWS by selecting a cell and using ctrl-shift-f. The columns to the left and the rows to the right "
                + "of the selected cell will be frozen such that they will always remain on screen even when the viewport is scrolled.\n"
                + "* UNFREEZE COLUMNS AND ROWS with ctrl-shift-u.";
    }

    @Override
    public Control createExampleControl(Composite parent) {
        // Body
        final DummyBodyDataProvider bodyDataProvider = new DummyBodyDataProvider(
                20, 1000);
        final DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
        final DefaultBodyLayerStack bodyLayer = new DefaultBodyLayerStack(
                bodyDataLayer);
        final SelectionLayer selectionLayer = bodyLayer.getSelectionLayer();
        final FreezeLayer freezeLayer = new FreezeLayer(selectionLayer);
        final CompositeFreezeLayer compositeFreezeLayer = new CompositeFreezeLayer(
                freezeLayer, bodyLayer.getViewportLayer(), selectionLayer);

        // Column header
        final IDataProvider columnHeaderDataProvider = new DummyColumnHeaderDataProvider(
                bodyDataProvider);
        final ILayer columnHeaderLayer = new ColumnHeaderLayer(
                new DefaultColumnHeaderDataLayer(columnHeaderDataProvider),
                compositeFreezeLayer, selectionLayer);

        // Row header
        final IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(
                bodyDataProvider);
        final ILayer rowHeaderLayer = new RowHeaderLayer(
                new DefaultRowHeaderDataLayer(rowHeaderDataProvider),
                compositeFreezeLayer, selectionLayer);

        // Corner
        final DefaultCornerDataProvider cornerDataProvider = new DefaultCornerDataProvider(
                columnHeaderDataProvider, rowHeaderDataProvider);
        final CornerLayer cornerLayer = new CornerLayer(new DataLayer(
                cornerDataProvider), rowHeaderLayer, columnHeaderLayer);

        // Grid
        final GridLayer gridLayer = new GridLayer(compositeFreezeLayer,
                columnHeaderLayer, rowHeaderLayer, cornerLayer);

        NatTable natTablleGridExample());
    }

}