linkRadioGroup.setText("action");
GridLayout layout = new GridLayout(1, false);
linkRadioGroup.setLayout(layout);
linkRadioGroup.setToolTipText("please select an action");
String targetStr = oldTarget != null ? new ShortLabelProvider()
.getText(oldTarget) : "none";
keepTargetCheckBox = new Button(linkRadioGroup, SWT.RADIO);
keepTargetCheckBox.setText("keep old link target (" + targetStr + ")");
GridData gridData = new GridData();