initializeDialogUnits(parent);
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
composite.setSize(composite.computeSize(SWT.DEFAULT, SWT.DEFAULT));
composite.setFont(parent.getFont());
createSourceGroup(composite);
// createDestinationGroup(composite);