this.spinner = new Spinner(this.shell, SWT.BORDER);
this.spinner.setLayoutData(BuyGoodSelectNumOfGoodDialog.getComboGridData());
this.buyButton = new Button(shell, SWT.NONE);
this.buyButton.setText("Buy");
this.buyButton.addSelectionListener(new BuyGoodListener(this.spinner, this.goodId));
Button button = new Button(shell, SWT.NONE);
button.setText("Cancel");
button.addSelectionListener(new CloseDialogListener(this.shell));
}