-clean-up before merge
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@@ -1,48 +0,0 @@
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############################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# http://flatcam.org #
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# Author: Juan Pablo Caram (c) #
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# Date: 2/5/2014 #
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# MIT Licence #
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############################################################
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class LoudDict(dict):
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"""
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A Dictionary with a callback for
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item changes.
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"""
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def __init__(self, *args, **kwargs):
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dict.__init__(self, *args, **kwargs)
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self.callback = lambda x: None
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def __setitem__(self, key, value):
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"""
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Overridden __setitem__ method. Will emit 'changed(QString)'
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if the item was changed, with key as parameter.
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"""
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if key in self and self.__getitem__(key) == value:
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return
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dict.__setitem__(self, key, value)
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self.callback(key)
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def update(self, *args, **kwargs):
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if len(args) > 1:
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raise TypeError("update expected at most 1 arguments, got %d" % len(args))
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other = dict(*args, **kwargs)
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for key in other:
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self[key] = other[key]
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def set_change_callback(self, callback):
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"""
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Assigns a function as callback on item change. The callback
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will receive the key of the object that was changed.
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:param callback: Function to call on item change.
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:type callback: func
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:return: None
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"""
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self.callback = callback
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