escape linefeeds in grid fields
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3010 fd906abe-77d9-0310-91a1-e0d9ade77398
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					@ -61,6 +61,9 @@ class GridFieldInstance(ListFieldInstance):
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            return value
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					            return value
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        # TODO: marshall values!
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					        # TODO: marshall values!
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        v = value or []
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					        v = value or []
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					        for row in v:
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					            for k in row:
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					                row[k] = row[k].replace('\n', '\\n')
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        empty = {}
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					        empty = {}
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        for fi in self.columnFieldInstances:
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					        for fi in self.columnFieldInstances:
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            default = fi.default
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					            default = fi.default
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