protected TreeViewer createResourceSelectionTree(Composite composite, int types, int span) {
	TreeViewer tree = new TreeViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
	tree.setUseHashlookup(true);
	tree.setContentProvider(getResourceProvider(types));
	tree.setLabelProvider(
		new DecoratingLabelProvider(
			new WorkbenchLabelProvider(), 
			SVNUIPlugin.getPlugin().getWorkbench().getDecoratorManager().getLabelDecorator()));
	tree.setSorter(new ResourceSorter(ResourceSorter.NAME));
	
	GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
	data.heightHint = LIST_HEIGHT_HINT;
	data.horizontalSpan = span;
	tree.getControl().setLayoutData(data);
	return tree;
}
 

/**
 * Construct a sorter that uses the name of the resource as its sorting
 * criteria.
 * 
 */
public ResourceExtensionSorter() {
	super(ResourceSorter.NAME);
}
 

/**
 * Construct a sorter that uses the name of the resource as its sorting
 * criteria.
 * 
 */
public ResourceExtensionSorter() {
	super(ResourceSorter.NAME);
}