| # Copyright 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from py_utils.refactor import snippet |
| |
| |
| class AnnotatedSymbol(snippet.Symbol): |
| def __init__(self, symbol_type, children): |
| super(AnnotatedSymbol, self).__init__(symbol_type, children) |
| self._modified = False |
| |
| @property |
| def modified(self): |
| if self._modified: |
| return True |
| return super(AnnotatedSymbol, self).modified |
| |
| def __setattr__(self, name, value): |
| if (hasattr(self.__class__, name) and |
| isinstance(getattr(self.__class__, name), property)): |
| self._modified = True |
| return super(AnnotatedSymbol, self).__setattr__(name, value) |
| |
| def Cut(self, child): |
| for i in xrange(len(self._children)): |
| if self._children[i] == child: |
| self._modified = True |
| del self._children[i] |
| break |
| else: |
| raise ValueError('%s is not in %s.' % (child, self)) |
| |
| def Paste(self, child): |
| self._modified = True |
| self._children.append(child) |