private static class ListOfGoodsTypesColumnLabelProvider extends ColumnLabelProvider
{
	private static final long serialVersionUID = 3822851008869376774L;
	private String propertyName;
	private IRedeemSubmitCallback callback;
	private boolean pendingRefresh;
	private final List<TableEditor> TABLE_EDITORS = new LinkedList<TableEditor>();
	private final NumberFormat NUMBERFORMATTER = NumberFormat.getIntegerInstance();

	private ListOfGoodsTypesColumnLabelProvider(String propertyName, IRedeemSubmitCallback callback)
	{
		this.propertyName = propertyName;
		this.callback = callback;
		
		NUMBERFORMATTER.setGroupingUsed(true);
	}
	
	@Override
	public void update(ViewerCell cell)
	{
		final TableItem item = (TableItem) cell.getItem();
		final Table table = item.getParent();
		final int column = cell.getColumnIndex();

		//TODO: When changing pages, all TableEditor needs to be disposed & redrawn
		if (pendingRefresh)
		{
			if (TABLE_EDITORS.size() > 0)
			{
				for (TableEditor tableEditor : TABLE_EDITORS)
				{
					if (tableEditor.getEditor() != null)
						tableEditor.getEditor().dispose();
					
					tableEditor.dispose();
				}
				
				TABLE_EDITORS.clear();
			}
			
			pendingRefresh = false;
		}
		
		if (FIELD_REDEEMABLE.equalsIgnoreCase(propertyName) && ((GoodsView)cell.getElement()).getBalance() > 0)
		{
	    TableEditor tableEditor = new TableEditor(table);
	    tableEditor.grabHorizontal = true;

	    Button button = new Button(table, SWT.FLAT);
	    button.setText("Redeem");
	    
	    button.addSelectionListener
	    (
    		new SelectionListener()
				{
					private static final long serialVersionUID = -1566441291539945860L;

					@Override
					public void widgetSelected(SelectionEvent event)
					{
						//TODO: Add codes here
					}
					
					@Override
					public void widgetDefaultSelected(SelectionEvent event){}
				}
  		);

	    tableEditor.setEditor(button, item, column);

	    TABLE_EDITORS.add(tableEditor);
		}
  
		super.update(cell);
	}

	@Override
	public String getText(Object element)
	{
		if (FIELD_GOODS_TYPE_ID.equals(propertyName))
			return ((GoodsView)element).getGoodsTypeId();
		else if (FIELD_GOODS_NAME.equals(propertyName))
			return ((GoodsView)element).getName();
		else if (FIELD_REDEEM_POINTS.equals(propertyName))
			return NUMBERFORMATTER.format(((GoodsView)element).getRedeemPoints());
		else if (FIELD_BALANCE.equals(propertyName))
			return NUMBERFORMATTER.format(((GoodsView)element).getBalance());
		else if (FIELD_REDEEMABLE.equals(propertyName))
			return ((GoodsView)element).getBalance() > 0 ? "Redeem" : "N/A";

		return "";
	}

	private void refresh(){this.pendingRefresh = true;}
}