btnCancel = new Button(composite, SWT.NONE);
btnCancel.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
btnCancel.setEnabled(false);
btnCancel.setText(RedisClient.i18nFile.getText(I18nFile.CANCEL));
text_value.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
String newValue = text_value.getText() == null ? "" : text_value.getText();
if (newValue.equals(value)) {
setApply(false);
btnCancel.setEnabled(false);