fTree.getViewer().addFilter(emptyTypeFilter);
fTree.getViewer().addSelectionChangedListener(this);
if (fInitialSelection != null) {
fTree.getViewer().setSelection(fInitialSelection, true);
}
<BUG>GridDataFactory.fillDefaults().grab(true, true).minSize(400, 150).applyTo(fTree.getViewer().getControl());
</BUG>
Composite additionalSettings = new Composite(comp, SWT.NONE);
additionalSettings.setLayout(new GridLayout(4, false));
additionalSettings.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

fTree.getViewer().addFilter(emptyTypeFilter);
fTree.getViewer().addSelectionChangedListener(this);
if (fInitialSelection != null) {
fTree.getViewer().setSelection(fInitialSelection, true);
}
GridDataFactory.fillDefaults().grab(true, true).hint(convertWidthInCharsToPixels(100), convertHeightInCharsToPixels(15)).applyTo(fTree.getViewer().getControl());
Composite additionalSettings = new Composite(comp, SWT.NONE);
additionalSettings.setLayout(new GridLayout(4, false));
additionalSettings.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
