.getFirstElement();
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(
getDisplay().getActiveShell(),
new WorkbenchLabelProvider(),
new BaseWorkbenchContentProvider());
dialog.setMessage("Select content sync root location (containing the jcr root)");
dialog.setTitle("Content Sync Root");
IContainer initialContainer = ProjectHelper
.getInferredContentProjectContentRoot(project);
if (initialContainer != null) {