org.eclipse.nebula.widgets.nattable.test.performance/src/org/eclipse/nebula/widgets/nattable/test/performance/NatTablePerfHarness.java

/*******************************************************************************
 * 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.test.performance;

import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class NatTablePerfHarness extends Shell {

    public NatTablePerfHarness(String dataFileName, Display display, int style) {
        super(display, style);

        createContents(dataFileName);
        final GridLayout gridLayout = new GridLayout();
        setLayout(gridLayout);
    }

    protected void checkSubclass() {
        // Disable the check that prevents subclassing of SWT components
    }

    private void createContents(String dataFileName) {
        setText("NatTable Perf Harness");
        setSize(5000, 1000);

        final Composite composite = new Composite(this, SWT.NONE);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        composite.setLayout(new FillLayout());

        // NatTableDataGenerator dataGenerator = new NatTableDataGenerator();
        long start, stop;
        start = System.currentTimeMillis();

        // FIXME hook up data provider to grid layer

        // IDataProvider dataProvider = new
        // InternalDataProvider(dataGenerator.loadData(dataFileName));
        // stop = System.currentTimeMillis();
        // System.out.println((stop - start) + " milliseconds to load " +
        // dataFileName);
        // start = System.currentTimeMillis();
        // DefaultRowHeaderConfig rowConfig = new DefaultRowHeaderConfig();
        // rowConfig.setRowHeaderColumnCount(1);

        /*
         * DefaultNatTableModel natModel = new DefaultNatTableModel();
         * natModel.setBodyConfig(new DefaultBodyConfig(dataProvider));
         * natModel.getBodyConfig().getColumnWidthConfig().setDefaultSize(75);
         * natModel.getBodyConfig().getRowHeightConfig().setDefaultSize(20);
         * natModel.setRowHeaderConfig(rowConfig);
         * natModel.setFullRowSelection(true);
         * natModel.setEnableMoveColumn(true);
         * natModel.getBodyConfig().getColumnWidthConfig
         * ().setResizableByDefault(true);
         */
        new NatTable(composite);
        stop = System.currentTimeMillis();
        System.out.println((stop - start)
                + " milliseconds to load data into NatTable");
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        if (args.length == 0) {
            System.err.println("Missing input file.");
            System.exit(-1);
        }
        try {
            Display display = Display.getDefault();
            NatTablePerfHarness shell = new NatTablePerfHarness(args[0],
                    display, SWT.SHELL_TRIM);
            shell.setLayout(new GridLayout());
            shell.open();
            while (!shell.isDisposed()) {
                if (!display.readAndDispatch())
                    display.sleep();
            }
        } catch (Exception e) {
            e.printStackTrace();

        }
    }
}