composite.setLayout( new GridLayout() );
TableWrapData compositeTableWrapData = new TableWrapData( TableWrapData.FILL, TableWrapData.TOP, 1, 2 );
compositeTableWrapData.grabHorizontal = true;
composite.setLayoutData( compositeTableWrapData );
Composite leftComposite = toolkit.createComposite( parent );
leftComposite.setLayout( new GridLayout() );
TableWrapData leftCompositeTableWrapData = new TableWrapData( TableWrapData.FILL, TableWrapData.TOP );
leftCompositeTableWrapData.grabHorizontal = true;
leftComposite.setLayoutData( leftCompositeTableWrapData );