mirror of
https://github.com/shlomif/PySolFC.git
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71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
#!/usr/bin/python
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# -*- mode: python; coding: utf-8; -*-
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# =============================================================================
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# Copyright (C) 2017-2023 LB
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# Flake8: noqa
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#
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# =============================================================================
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import logging
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from kivy.event import EventDispatcher
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from kivy.properties import BooleanProperty
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from kivy.properties import NumericProperty
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from kivy.properties import ListProperty
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from kivy.properties import StringProperty
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# =============================================================================
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# Joins kivy properties to object members of referenced class.
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# Usage:
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# - use derived classes LBoolWrap etc. according to type.
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# - write: obj.value = <new value>
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# - read: <actual value> = obj.value
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# - If you need additional functionality on change add a callback function
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# as 'command'. It will be called whenever the value changes.
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class LObjWrap(EventDispatcher):
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def __init__(self,obj,ref=None,command=None):
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self.obj = obj
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self.ref = ref
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if self.ref is not None:
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self.value = getattr(self.obj,self.ref)
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# logging.info("LObjWrap: setup for %s" % (self.ref))
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self.bind(value=self.on_value)
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if command is not None:
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self.bind(value=command)
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def on_value(self,inst,val):
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# logging.info("LObjWrap: %s = %s" % (self.ref,val))
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if self.ref is not None:
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setattr(self.obj,self.ref,val)
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class LBoolWrap(LObjWrap):
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value = BooleanProperty(False)
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def __init__(self,obj,ref=None,command=None):
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super(LBoolWrap,self).__init__(obj,ref,command)
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class LNumWrap(LObjWrap):
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value = NumericProperty(0)
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def __init__(self,obj,ref=None,command=None):
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super(LNumWrap,self).__init__(obj,ref,command)
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class LStringWrap(LObjWrap):
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value = StringProperty('')
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def __init__(self,obj,ref=None,command=None):
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super(LStringWrap,self).__init__(obj,ref,command)
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class LListWrap(LObjWrap):
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value = ListProperty([])
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def __init__(self,obj,ref=None,command=None):
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super(LListWrap,self).__init__(obj,ref,command)
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# =============================================================================
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