/*******************************************************************************
* Copyright (c) 2013 Dirk Fauth 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:
* Dirk Fauth <dirk.fauth@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples._500_Layers._501_Data;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.command.VisualRefreshCommand;
import org.eclipse.nebula.widgets.nattable.data.IColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.ListDataProvider;
import org.eclipse.nebula.widgets.nattable.data.ReflectiveColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.data.person.Person;
import org.eclipse.nebula.widgets.nattable.examples.data.person.PersonService;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* Simple example showing the DataLayer.
*
* @author Dirk Fauth
*
*/
public class _5011_DataLayerExample extends AbstractNatExample {
private boolean showDefaultColumnWidth = true;
private boolean showDefaultRowHeight = true;
public static void main(String[] args) throws Exception {
StandaloneNatExampleRunner.run(600, 400, new _5011_DataLayerExample());
}
@Override
public String getDescription() {
return "This example shows a simple NatTable that is only able to show data and "
+ "supports different column/row sizes.\n"
+ "By pressing the buttons 'Toggle column width' and 'Toggle row height' you can see "
+ "how to change column/row sizes programmatically.";
}
@Override
public Control createExampleControl(Composite parent) {
parent.setLayout(new GridLayout());
// property names of the Person class
String[] propertyNames = { "firstName", "lastName", "gender",
"married", "birthday" };
IColumnPropertyAccessor<Person> columnPropertyAccessor = new ReflectiveColumnPropertyAccessor<Person>(
propertyNames);
IDataProvider bodyDataProvider = new ListDataProvider<Person>(
PersonService.getPersons(10), columnPropertyAccessor);
final DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
// use different style bits to avoid rendering of inactive scrollbars
// for small table
// Note: The enabling/disabling and showing of the scrollbars is handled
// by the ViewportLayer.
// Without the ViewportLayer the scrollbars will always be visible with
// the default
// style bits of NatTable.
final NatTable natTable = new NatTable(parent, SWT.NO_BACKGROUND
| SWT.NO_REDRAW_RESIZE | SWT.DOUBLE_BUFFERED, bodyDataLayer);
GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
Button b1 = new Button(parent, SWT.PUSH);
b1.setText("Toggle column width");
b1.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
showDefaultColumnWidth = !showDefaultColumnWidth;
if (showDefaultColumnWidth) {
// reset to default
bodyDataLayer.setColumnWidthByPosition(0,
DataLayer.DEFAULT_COLUMN_WIDTH, false);
bodyDataLayer.setColumnWidthByPosition(1,
DataLayer.DEFAULT_COLUMN_WIDTH, false);
bodyDataLayer.setColumnWidthByPosition(2,
DataLayer.DEFAULT_COLUMN_WIDTH, false);
bodyDataLayer.setColumnWidthByPosition(3,
DataLayer.DEFAULT_COLUMN_WIDTH, false);
// this one will trigger the refresh
bodyDataLayer.setColumnWidthByPosition(4,
DataLayer.DEFAULT_COLUMN_WIDTH, true);
} else {
bodyDataLayer.setColumnWidthByPosition(0, 70, false);
bodyDataLayer.setColumnWidthByPosition(1, 70, false);
bodyDataLayer.setColumnWidthByPosition(2, 50, false);
bodyDataLayer.setColumnWidthByPosition(3, 30, false);
// this one will trigger the refresh
bodyDataLayer.setColumnWidthByPosition(4, 200, true);
}
}
});
Button b2 = new Button(parent, SWT.PUSH);
b2.setText("Toggle row height");
b2.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
showDefaultRowHeight = !showDefaultRowHeight;
if (showDefaultRowHeight) {
// reset to default
bodyDataLayer
.setDefaultRowHeight(DataLayer.DEFAULT_ROW_HEIGHT);
} else {
bodyDataLayer.setDefaultRowHeight(50);
}
// repaint the table, as setting the default height is not
// triggering a refresh automatically
// this is because setting the default usually should be done
// prior rendering
natTable.doCommand(new VisualRefreshCommand());
}
});
return natTable;
}
}