beansConfigSetViewer.setLabelProvider(new BeansConfigLabelProvider());
beansConfigSetViewer.setInput(this); // activate content provider
if (this.beansConfig != null) {
beansConfigSetViewer.setCheckedElements(this.beansConfig.toArray());
}
beansConfigSetViewer.setSorter(new BeansNavigatorSorter());
// Create error label
errorLabel = new Label(composite, SWT.NONE);
errorLabel.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
| GridData.HORIZONTAL_ALIGN_FILL));