protected void initGui(Composite parent) {
final int gdMinimumWidth = 550;
final int gdHeightHint = 200;
createFilterPanel(parent);
group = new Group(parent, SWT.NONE);
if (getTitle() != null) {
group.setText(getTitle());
}
GridLayout groupOrganizationLayout = new GridLayout(1, true);
group.setLayout(groupOrganizationLayout);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.minimumWidth = gdMinimumWidth;
gd.heightHint = gdHeightHint;
group.setLayoutData(gd);
scrolledComposite = new ScrolledComposite(group, SWT.V_SCROLL);
scrolledComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
scrolledComposite.setExpandHorizontal(true);
innerComposite = new Composite(scrolledComposite, SWT.NONE);
scrolledComposite.setContent(innerComposite);
innerComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
innerComposite.setLayout(new GridLayout(1, false));
if (selection != null && !selection.isEmpty()) {
Iterator<T> iter = selection.iterator();
while (iter.hasNext()) {
preSelectedElements.add(iter.next());
}
} else if (selectedElement != null) {
preSelectedElements.add(selectedElement);
}
checkboxMap = new HashMap<T, Button>();
addCheckboxes();
}
