private void UpdateUI(IList <TreeNode> nodes)
{
if (nodes == null)
{
return;
}
_buttonAddTagByte.Enabled = _controller.CanOperateOnSelection(Predicates.CreateByteNodePred);
_buttonAddTagShort.Enabled = _controller.CanOperateOnSelection(Predicates.CreateShortNodePred);
_buttonAddTagInt.Enabled = _controller.CanOperateOnSelection(Predicates.CreateIntNodePred);
_buttonAddTagLong.Enabled = _controller.CanOperateOnSelection(Predicates.CreateLongNodePred);
_buttonAddTagFloat.Enabled = _controller.CanOperateOnSelection(Predicates.CreateFloatNodePred);
_buttonAddTagDouble.Enabled = _controller.CanOperateOnSelection(Predicates.CreateDoubleNodePred);
_buttonAddTagByteArray.Enabled = _controller.CanOperateOnSelection(Predicates.CreateByteArrayNodePred);
_buttonAddTagIntArray.Enabled = _controller.CanOperateOnSelection(Predicates.CreateIntArrayNodePred);
_buttonAddTagLongArray.Enabled = _controller.CanOperateOnSelection(Predicates.CreateLongArrayNodePred);
_buttonAddTagString.Enabled = _controller.CanOperateOnSelection(Predicates.CreateStringNodePred);
_buttonAddTagList.Enabled = _controller.CanOperateOnSelection(Predicates.CreateListNodePred);
_buttonAddTagCompound.Enabled = _controller.CanOperateOnSelection(Predicates.CreateCompoundNodePred);
_buttonSave.Enabled = _controller.CheckModifications();
_buttonRename.Enabled = _controller.CanOperateOnSelection(Predicates.RenameNodePred);
_buttonEdit.Enabled = _controller.CanOperateOnSelection(Predicates.EditNodePred);
_buttonDelete.Enabled = _controller.CanOperateOnSelection(Predicates.DeleteNodePred);
_buttonCut.Enabled = _controller.CanOperateOnSelection(Predicates.CutNodePred) && NbtClipboardController.IsInitialized;;
_buttonCopy.Enabled = _controller.CanOperateOnSelection(Predicates.CopyNodePred) && NbtClipboardController.IsInitialized;;
_buttonPaste.Enabled = _controller.CanOperateOnSelection(Predicates.PasteIntoNodePred) && NbtClipboardController.IsInitialized;;
_buttonFindNext.Enabled = _controller.CanOperateOnSelection(Predicates.SearchNodePred) || _searchState != null;
_buttonRefresh.Enabled = _controller.CanOperateOnSelection(Predicates.RefreshNodePred);
_menuItemSave.Enabled = _buttonSave.Enabled;
_menuItemRename.Enabled = _buttonRename.Enabled;
_menuItemEditValue.Enabled = _buttonEdit.Enabled;
_menuItemDelete.Enabled = _buttonDelete.Enabled;
_menuItemMoveUp.Enabled = _controller.CanOperateOnSelection(Predicates.MoveNodeUpPred);
_menuItemMoveDown.Enabled = _controller.CanOperateOnSelection(Predicates.MoveNodeDownPred);
_menuItemCut.Enabled = _buttonCut.Enabled;
_menuItemCopy.Enabled = _buttonCopy.Enabled;
_menuItemPaste.Enabled = _buttonPaste.Enabled;
_menuItemFind.Enabled = _controller.CanOperateOnSelection(Predicates.SearchNodePred);
_menuItemRefresh.Enabled = _buttonRefresh.Enabled;
_menuItemFindNext.Enabled = _searchState != null;
}