(self, event=None)
| 149 | return "break" |
| 150 | |
| 151 | def expand(self, event=None): |
| 152 | if not self.item._IsExpandable(): |
| 153 | return |
| 154 | if self.state != 'expanded': |
| 155 | self.state = 'expanded' |
| 156 | self.update() |
| 157 | self.view() |
| 158 | |
| 159 | def collapse(self, event=None): |
| 160 | if self.state != 'collapsed': |