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68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
from ...python import EventListener
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from .CSWBase import ControlClient, ControlHost
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class _TextBase:
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def __init__(self):
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self._text = None
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self._on_text_evl = EventListener()
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self._call_on_msg('text', self._on_msg_text)
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def _on_msg_text(self, text):
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self._set_text(text)
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def _send_text(self):
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self._send_msg('text', self._text)
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def _set_text(self, text : str):
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if text is not None and not isinstance(text, str):
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raise ValueError('text must be str or None')
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if self._text != text:
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self._text = text
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self._on_text_evl.call(text)
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return True
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return False
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def call_on_text(self, func_or_list):
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"""
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Call when the text is changed
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func(text : Union[str,None])
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"""
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self._on_text_evl.add(func_or_list)
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def set_text(self, text : str):
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if self._set_text(text):
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self._send_text()
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def get_text(self): return self._text
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class Text:
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"""
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Text control.
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Values:
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None : uninitialized state
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str : value
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"""
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class Host(ControlHost, _TextBase):
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def __init__(self):
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ControlHost.__init__(self)
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_TextBase.__init__(self)
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def _on_msg_text(self, text):
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if self.is_enabled():
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_TextBase._on_msg_text(self, text)
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self._send_text()
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class Client(ControlClient, _TextBase):
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def __init__(self):
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ControlClient.__init__(self)
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_TextBase.__init__(self)
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def _on_reset(self):
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self._set_text(None)
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