def _deleteClicked(self, *args):
current = _pmCore.textScrollList(self._textScrollList, query=True, selectItem=True)
if not current:
raise RuntimeError('Must select a category to delete.')
current = current[0]
if _Database.getAssetUnderCategory(current):
raise RuntimeError('Can not delete category {0}, there are asset under this category.'.format(current))
_Database.deleteCategory(current)
_pmCore.textScrollList(self._textScrollList, edit=True, removeItem=current)
self._updateCallback(None, None, current)
