private void addAttributesFromPaletteMetadata(Map<String, String> attributes)
{
final ITagDropSourceData info = _creationData.getTagCreationProvider();
if (info != null)
{
final MetadataTagDropSourceData provider =
TagToolCreationAdapter.createMdTagCreationProvider(info, _model);
final List<TagCreationAttribute> list = provider.getAttributes();
if (list != null)
{
for (final TagCreationAttribute attr : list)
{
attributes.put(attr.getId(), (attr.getValue() == null ? "" //$NON-NLS-1$