@Override
public void selectionChanged(IAction action, ISelection selection) {
if (!selection.isEmpty()) {
currentSelection = (CascadeObject) ((IStructuredSelection) selection).getFirstElement();
} else {
currentSelection = null;
}
// 考虑选项和权限
boolean enable = currentSelection != null;
if (enable) {
// 考虑对象类型，在角色类型、用户类型下不可用
if (DataUtil.isUserObject(currentSelection) || DataUtil.isRoleObject(currentSelection)) {
enable = false;
}
}
// 考虑权限
action.setEnabled(enable);
}
