Review Request 112728: Move KItemRange to its own header, and factor out the code that transforms a sorted list of ints to a KItemRangeList

[Frank Reininghaus]

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http://git.reviewboard.kde.org/r/112728/
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Review request for Dolphin.


Description
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There is some code duplication in KFileItemModel: We have two different implementations for the transformation of a sorted QList<int> to a KItemRangeList.

I propose to change this by factoring out this code, and moving KItemRange(List) to its own header file while we're at it. It's header-only with inline functions for simplicity and efficiency. Moreover, I made the function that takes the sorted list a template, such that one can easily replace QList by QVector, for example.

Note that overriding operator<<() in KItemRangeList was necessary because it's not a typedef for QList<KItemRange>, but a class derived from that with my patch, and some code fails to compile if the return type of that function is QList<KItemRange> and not KItemRangeList.


Diffs
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  dolphin/src/kitemviews/kfileitemmodel.cpp 51ff142 
  dolphin/src/kitemviews/kitemmodelbase.h 7545192 
  dolphin/src/kitemviews/kitemmodelbase.cpp c13c9f8 
  dolphin/src/kitemviews/kitemrange.h PRE-CREATION 

Diff: http://git.reviewboard.kde.org/r/112728/diff/


Testing
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Unit tests pass.


Thanks,

Frank Reininghaus

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