Review Request: fix writing empty strings for attribut xml:id of draw:plugin elements

[Friedrich W. H. Kossebau]

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http://git.reviewboard.kde.org/r/105503/
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(Updated July 10, 2012, 2:49 p.m.)


Review request for Calligra and Inge Wallin.


Changes
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changed patch to test for non-empty parameter name instead of just not-existing in PluginShape::loadOdfFrameElement


Description
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Some calligratests like interoperability/wordprocessing/oowriter/oow_embede_audio.odt fail on a bad xml:id for the draw:plugin element.
Reason is that PluginShape currently has a property xmlid, which only gets set on loading. On saving the content of that property is written, even if empty (like for the file above).

Attached patch fixes this by doing like the rest(?) of Calligra, dropping any read xmlid and generating in any case a new one on saving.
(Also fixes a bad i18n-with-parameter call and deprecated QString::null usages, or should those be in separate commits?)

Okay to backport to 2.5?

PS: In general I think Calligra should try to remember the read xml-ids, it kind-of spoils the idea of ids if those are completely new after saving, even for untouched elements. But that is not in the scope of this fix, which only cares for writing valid ODF.


Diffs (updated)
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  plugins/pluginshape/PluginShape.h 38c67db 
  plugins/pluginshape/PluginShape.cpp c1e19ec 

Diff: http://git.reviewboard.kde.org/r/105503/diff/


Testing
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Thanks,

Friedrich W. H. Kossebau

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