Package org.eclipse.nebula.widgets.nattable.examples.examples._101_Data

Source Code of org.eclipse.nebula.widgets.nattable.examples.examples._101_Data.Big_data

/*******************************************************************************
* Copyright (c) 2012 Original authors and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples.examples._101_Data;

import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.stack.DummyGridLayerStack;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

public class Big_data extends AbstractNatExample {

    public static void main(String[] args) throws Exception {
        StandaloneNatExampleRunner.run(800, 600, new Big_data());
    }

    @Override
    public String getDescription() {
        return "NatTable is designed to support very large data sets. This example shows a table with 500 columns and 1,000,000 rows. "
                + "NatTable tries hard to only ask for and render data that it currently needs to display.";
    }

    public Control createExampleControl(Composite parent) {
        DummyGridLayerStack layer = new DummyGridLayerStack(500, 1000000);

        // Widen row header so that all the row numbers are visible
        DataLayer rowHeaderDataLayer = (DataLayer) layer
                .getRowHeaderDataLayer();
        rowHeaderDataLayer.setColumnWidthByPosition(0, 80);

        return new NatTable(parent, layer);
    }

}
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