l1.setLayoutData(sepData);
new ZoomControlPanel(this, (ZoomLens) theLensSet.getFirstLensOfType(ZoomLens.class));
new RotateControlPanel(this, (RotateLens) theLensSet.getFirstLensOfType(RotateLens.class));
Label l2 = new Label(this, SWT.SEPARATOR);
l2.setLayoutData(sepData);
new NodeSizeControlPanel(this, (NodeSizeLens) theLensSet.getFirstLensOfType(NodeSizeLens.class));
Label l3 = new Label(this, SWT.SEPARATOR);
l3.setLayoutData(sepData);
endComposite = new Composite(this, SWT.NONE);
// endComposite.setBackground(getDisplay().getSystemColor(SWT.COLOR_BLUE));
endComposite.setLayout(endContributeLayout);