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| @@ -119,6 +119,7 b' class Widget(LoggingConfigurable):' | |||||
| 119 | #------------------------------------------------------------------------- |
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119 | #------------------------------------------------------------------------- | |
| 120 | def __init__(self, **kwargs): |
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120 | def __init__(self, **kwargs): | |
| 121 | """Public constructor""" |
|
121 | """Public constructor""" | |
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122 | self._model_id = kwargs.pop('model_id', None) | |||
| 122 | super(Widget, self).__init__(**kwargs) |
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123 | super(Widget, self).__init__(**kwargs) | |
| 123 |
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124 | |||
| 124 | self.on_trait_change(self._handle_property_changed, self.keys) |
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125 | self.on_trait_change(self._handle_property_changed, self.keys) | |
| @@ -136,8 +137,11 b' class Widget(LoggingConfigurable):' | |||||
| 136 | def open(self): |
|
137 | def open(self): | |
| 137 | """Open a comm to the frontend if one isn't already open.""" |
|
138 | """Open a comm to the frontend if one isn't already open.""" | |
| 138 | if self.comm is None: |
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139 | if self.comm is None: | |
| 139 | # Create a comm. |
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140 | if self._model_id is None: | |
| 140 | self.comm = Comm(target_name=self._model_name) |
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141 | self.comm = Comm(target_name=self._model_name) | |
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142 | self._model_id = self.model_id | |||
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143 | else: | |||
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144 | self.comm = Comm(target_name=self._model_name, comm_id=self._model_id) | |||
| 141 | self.comm.on_msg(self._handle_msg) |
|
145 | self.comm.on_msg(self._handle_msg) | |
| 142 | Widget.widgets[self.model_id] = self |
|
146 | Widget.widgets[self.model_id] = self | |
| 143 |
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147 | |||
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