Review Request: [CRASH FIX] fix Konquerer crashing with Calligra parts

[Friedrich W. H. Kossebau]

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http://git.reviewboard.kde.org/r/105425/
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Review request for Calligra.


Description
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None of the Calligra parts uses Part::setWidget(...) or reimplements Part::widget().
So all KPart supporting programs like Konqueror will crash when they try to get the widget from the part (and expect to get one).
Just try yourself and do a Preview with... for some Calligra supported file.

Attached patch fixes that by simply removing the claim that CalligraParts are real KParts/ReadOnlyPart,KParts/ReadWritePart. By-effect is that sadly support for loading in Konqueror or KDevelop is gone, but well, effectively it already is. Hopefully the Parts->Doc/View refactoring from Boudewijn/Boemann can get us that back in the future?

Did not check, but guess this patch needs backporting to 2.5 as well.


Diffs
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  flow/part/flowpart.desktop fb17a3b 
  karbon/data/karbonpart.desktop c5e0b0b 
  krita/kritapart.desktop 00fe3bf 
  libs/main/KoTemplate.cpp e74aaa4 
  plan/planpart.desktop dfd3d0f 
  plugins/chartshape/kchartpart.desktop 027f628 
  plugins/formulashape/kformulapart.desktop 1a91584 
  servicetypes/calligrapart.desktop ee551d8 
  sheets/sheetspart.desktop 5264778 
  stage/part/stagepart.desktop e1f5ce6 
  words/part/wordspart.desktop f0ca727 

Diff: http://git.reviewboard.kde.org/r/105425/diff/


Testing
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Tried to preview files with Konqueror & to load them with Calligra programs.


Thanks,

Friedrich W. H. Kossebau

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