bug fix: handle missing value (None) on list field
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3189 fd906abe-77d9-0310-91a1-e0d9ade77398
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@ -306,6 +306,8 @@ class ListFieldInstance(FieldInstance):
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#return [self.valueFieldInstance.marshall(v) for v in value]
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#return [self.valueFieldInstance.marshall(v) for v in value]
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def display(self, value):
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def display(self, value):
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if not value:
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return u''
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if isinstance(value, basestring):
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if isinstance(value, basestring):
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return value
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return value
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return u' | '.join(self.valueFieldInstance.display(v) for v in value)
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return u' | '.join(self.valueFieldInstance.display(v) for v in value)
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