/** Show the types which are available in the current project only. */
protected void refreshFromProject() {
if (fTreeViewer != null) {
fTreeViewer.setInput(null);
}
if (fProjectObjects == null) {
Resource resource = modelObject.eResource();
IFile file = BPELUtil.getFileFromURI(resource.getURI());
fProjectObjects = resourceContentProvider.getElements(file.getProject());
}
if (fFilteredList != null) {
fFilteredList.setEnabled(true);
fFilteredList.setAllowDuplicates(showDuplicates);
fFilteredList.setElements(contentProvider.getElements(fProjectObjects));
if (contentProvider.getElements(fProjectObjects) != null
&& contentProvider.getElements(fProjectObjects).length > 0) {
updateLowerViewWidget(fFilteredList.getSelection());
}
}
}