+
+ def createSummary(self):
+ return None
+
+ def addSummary(self, summary):
+ self.summaries.append(summary)
+
+ def removeSummary(self, summary):
+ self.summaries.remove(summary)
+
+ def setTitle(self, title):
+ self.instance.setTitle(title)
+ self.title = title
+
+ for x in self.summaries:
+ x.setTitle(title)