출처 : http://study-swt.info/viewers/sample_editable_table.html

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;

public class ColumnLabelProviderDemonstrate extends ApplicationWindow {

// ------------------ //
// instance variables //
// ------------------ //

// Model( of MVC) input
private final Commodity[] input = new Commodity[] {
new Commodity("monitor", 99.8),
new Commodity("key board", 8.4),
new Commodity("mouth", 4.8)
};

private TableViewer commodityTableViewer;


// -------------------- //
// constructor and main //
// -------------------- //
private ColumnLabelProviderDemonstrate() {
super(null);
}

public static void main(String[] args) {
Window w = new ColumnLabelProviderDemonstrate();
w.setBlockOnOpen(true);
w.open();
Display.getCurrent().dispose();
}


// ----------------------- //
// contents create methods //
// ----------------------- //

@Override
protected Control createContents(Composite parent) {

Composite composite = new Composite(parent, SWT.NONE);
FillLayout fillLayout = new FillLayout();
composite.setLayout(fillLayout);

createCommodityTableViewer(composite);
commodityTableViewer.setInput(input);

composite.pack();
parent.pack();
return parent;
}

protected TableViewer createCommodityTableViewer(Composite parent) {
commodityTableViewer = new TableViewer(parent, SWT.FULL_SELECTION);

Table commodityTable = (Table)commodityTableViewer.getControl();

TableLayout tableLayout = new TableLayout();
tableLayout.addColumnData(new ColumnPixelData(150));
tableLayout.addColumnData(new ColumnPixelData(100));
commodityTable.setLayout(tableLayout);

commodityTableViewer.setContentProvider(new IStructuredContentProvider() {
@Override
public Object[] getElements(Object inputElement) {
return (Commodity[])inputElement;
}

@Override
public void dispose() {

}

@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

}
});

createNameColumn();
createPriceColumn();

commodityTable.setHeaderVisible(true);

return commodityTableViewer;
}

protected void createNameColumn() {
TableViewerColumn vNameColumn = new TableViewerColumn(commodityTableViewer, SWT.LEFT);
TableColumn nameColumn = vNameColumn.getColumn();
nameColumn.setText("Commodity Name");

vNameColumn.setLabelProvider(new ColumnLabelProvider() {
public String getText(Object element) {
return ((Commodity)element).name;
}
});

vNameColumn.setEditingSupport(new EditingSupport(commodityTableViewer) {
@Override
protected boolean canEdit(Object element) {
return true;
}

@Override
protected CellEditor getCellEditor(Object element) {
return new TextCellEditor((Table)commodityTableViewer.getControl());
}

@Override
protected Object getValue(Object element) {
return ((Commodity)element).name;
}

@Override
protected void setValue(Object element, Object value) {
((Commodity)element).name = (String)value;
commodityTableViewer.refresh();
}
});
}

protected void createPriceColumn() {
TableViewerColumn vPriceColumn = new TableViewerColumn(commodityTableViewer, SWT.RIGHT);
TableColumn priceColumn = vPriceColumn.getColumn();
priceColumn.setText("Price");

vPriceColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return "$" + ((Commodity)element).price;
}
});

vPriceColumn.setEditingSupport(new EditingSupport(commodityTableViewer) {
@Override
protected boolean canEdit(Object element) {
return true;
}

@Override
protected CellEditor getCellEditor(Object element) {
TextCellEditor textCellEditor = new TextCellEditor((Table)commodityTableViewer.getControl());

return textCellEditor;
}

@Override
protected Object getValue(Object element) {
return String.valueOf(((Commodity)element).price);
}

@Override
protected void setValue(Object element, Object value) {
try {
double doubleValue = Double.valueOf((String)value);
((Commodity)element).price = doubleValue;
commodityTableViewer.refresh();
} catch (NumberFormatException e) {
return;
}
}
});
}

// ------------ //
// Model of MVC //
// ------------ //
private class Commodity {
public String name;
public double price;

public Commodity(String name, double price) {
this.name = name;
this.price = price;
}
}
}