public class TabSequenceTest extends BasePage {

	private Group currentGroup;

	public TabSequenceTest(Composite parent,
			final TransitionHandlerFactory transHandlerFactory,
			final Map<String, Object> context) {
		super(parent);

		setTitle(this, "Test Tab Sequence");

		final ScrolledComposite scroll = new ScrolledComposite(this, SWT.BORDER
				| SWT.V_SCROLL | SWT.H_SCROLL);

		scroll.setLayout(new GridLayout(1, true));

		final Composite main = new Composite(scroll, SWT.NONE);
		GridLayout layout = new GridLayout(1, true);
		layout.horizontalSpacing = 10;
		layout.verticalSpacing = 10;
		main.setLayout(layout);
		
		Group grp = newGroup(main, "Texts");
		addLabel("Text 1");
		Text txt = new Text( grp, SWT.FILL|SWT.BORDER);
		txt.setLayoutData( new GridData(100, SWT.FILL, false, true) );
		
		addLabel("Text 2");
		txt = new Text( grp, SWT.FILL|SWT.BORDER);
		txt.setLayoutData( new GridData(100, SWT.FILL, false, true) );

		Point size = grp.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		grp.setLayoutData(new GridData(size.x, size.y));

		
		grp = newGroup(main,"Texts in Composites");		
		addLabel("Comp 1");	
		Composite comp = new Composite(grp, SWT.BORDER);
		comp.setLayoutData( new GridData(100, SWT.FILL, false, true) );
		comp.setLayout(new FillLayout());
		new Text( comp, SWT.FILL);
		addLabel("Comp 2");
		comp = new Composite(grp, SWT.BORDER);
		comp.setLayoutData( new GridData(100, SWT.FILL, false, true) );
		comp.setLayout(new FillLayout());
		new Text( comp, SWT.FILL);
		size = grp.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		grp.setLayoutData(new GridData(size.x, size.y));


// for the previous controls  the tabbing is working
// for the two controls below,  the tab button has to be pressed twice to move to the next control
		grp = newGroup(main, "MyInputs");
		addLabel("MyInput 1");
		(new MyInput(grp)).setLayoutData(new GridData(100, 20));
		addLabel("MyInput 2");
		(new MyInput(grp)).setLayoutData(new GridData(100, 20));
		size = grp.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		grp.setLayoutData(new GridData(size.x, size.y));
		

		scroll.setContent(main);

		size = main.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		main.setLayoutData(new GridData(size.x, size.y));
		main.setSize(size);
		main.layout();
		
		 

		scroll.setExpandHorizontal(true);
		scroll.setExpandVertical(true);

		scroll.getParent().layout();

		GridData scLayData = new GridData(SWT.FILL, SWT.FILL, true, true);
		scroll.setLayoutData(scLayData);

		scroll.setMinSize(main.computeSize(SWT.DEFAULT, SWT.DEFAULT));

		scroll.addControlListener(new ControlAdapter() {

			@Override
			public void controlResized(ControlEvent e) {
				scroll.setMinSize(main.computeSize(SWT.DEFAULT, SWT.DEFAULT));
			}

		});

		scroll.getParent().layout();

		this.getParent().layout();

	}

	private void addLabel(String text) {
		Label label = new Label(this.currentGroup, SWT.SINGLE);
		label.setText(text);
		label.setAlignment(SWT.LEFT);
		Point size = label.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		GridData data = new GridData(size.x, size.y);
		label.setLayoutData(data);
	}

	private Group newGroup(Composite parent, String name) {
		this.currentGroup = new Group(parent, SWT.SHADOW_IN);
		// GridDataFactory.fillDefaults().applyTo(this.currentGroup);
		this.currentGroup.setText(name);
		this.currentGroup.setLayout(new GridLayout(2, false));
		return this.currentGroup;
	}
	
	private class MyInput extends Composite {
		private Control contr;
		private MyInput(Composite parent) {
			super(parent, SWT.BORDER);
			contr = new Text(this, SWT.FILL);

		}
	}