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

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This review has been submitted with commit 7dde35ccb97ac2958e45fe6b0759901e02d5e5e3 by Frank Reininghaus to branch master.

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On Sept. 14, 2013, 3:36 p.m., Frank Reininghaus wrote:
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> http://git.reviewboard.kde.org/r/112728/
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> (Updated Sept. 14, 2013, 3:36 p.m.)
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> Review request for Dolphin.
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> 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.
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> 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.
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> 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.
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> 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 
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> Diff: http://git.reviewboard.kde.org/r/112728/diff/
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> Testing
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> Unit tests pass.
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> Thanks,
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> Frank Reininghaus
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