Review Request: fix writing of text:time values

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This review has been submitted with commit ab4c1a5b77dbbc5d86dddb50abe5a637b784799b by Friedrich W. H. Kossebau to branch krita-lut_docker-rempt.

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On July 7, 2012, 10:16 a.m., Friedrich W. H. Kossebau wrote:
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> (Updated July 7, 2012, 10:16 a.m.)
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> 
> Review request for Calligra and Thorsten Zachmann.
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> 
> Description
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> The file interoperability/wordprocessing/oowriter/oow_insert_fields.odt from calligratests currently fails on this bad value:
> text:time-value="0-00-00T07:37:38"
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> Reason is that ODF 19.881 text:time-value specifies
> "The text:time-value attribute has the data type timeOrDateTime."
> and ODF 18.3.36 timeOrDateTime says
> "A timeOrDateTime value is either an [xmlschema-2] time or an [xmlschema-2] dateTime value."
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> Now, [xmlschema-2] demands for the year part a "four-or-more digit optionally negative-signed numeral that represents the year". Also, "There is no year 0, and '0000' is not a valid lexical representation.", see http://www.w3.org/TR/xmlschema-2/#year-zero
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> Thus the validator fails on this (good boy).
> 
> Looking more at the code (also after sending a premature patch here) I see the DateVariable supports both time and date variables (or a combination).
> Just, the storage format for both date or time can be simple (just date or time) or combined (datetime). As this info makes a difference (e.g. having just a time without date (so relative) is different from a given datetime (which is absolute)), it should be at least supported in the save and load code, even if the UI does not yet expose all that.
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> Attached patch fixes the code to do that, both the loading/saving of the complete data (without adding/removing info) as well as the broken "0-00-00T" stuff.
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> I am not satisfied with the names of the new enum ValueType, proposals welcome.
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> Okay to backport to 2.5?
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> Diffs
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>   libs/flake/KoOdfWorkaround.h 8672f22 
>   libs/flake/KoOdfWorkaround.cpp 8d3d523 
>   plugins/variables/DateVariable.h 9d06879 
>   plugins/variables/DateVariable.cpp cf5ef8b 
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> Diff: http://git.reviewboard.kde.org/r/105463/diff/
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> Testing
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> Thanks,
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> Friedrich W. H. Kossebau
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