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http://reviewboard.kde.org/r/4079/
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Review request for Plasma.


Summary
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In SC 4.5 KHolidays has a number of new API calls to provide more metadata on 
each Holiday Region, such as Name, Country (including subdivisions such as 
States and Provinces) and Language, to test validity of a given Holiday Region 
code, and to return all holidays in a date range.

This patch adapts the plasma calendar data engine and calendar plasmoid to use 
this new API to improve efficiency and usability.  However, because of the data 
engine abstraction layer what is a small and simple change in other KHolidays 
clients required major changes in the data engine to basically recreate and 
wrap the new KHolidays API calls.  As such it could be argued that this is a 
new feature rather than just an efficiency and usability fix, and so has missed 
the feature freeze boat.  I'll leave that call to others, but if deemed too big 
I'll try a smaller efficiency fix within the bounds of the existing data engine 
API.

* Efficiency is improved by fetching all the holidays to display in a single 
call, rather than 3 calls by the plasmoid and 90 calls by the data engine (and 
thus saving reading the holiday file 90 times), and by using the 
isValid(regionCode) API instead of fetching all the regions and scanning for a 
match.

* Usability is improved by displaying the real name of the Holiday Region (e.g. 
if it's actually a state or province) and the language each Holiday Region is 
available in, and by including the language as a criteria in the default 
Holiday Region selection so the user is more likely to get a useful Holiday 
Region (e.g. in bilingual countries).

I've also included a few bug fixes and validity checking of the contents of the 
data queries.


Diffs
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  trunk/KDE/kdebase/workspace/libs/plasmaclock/calendartable.cpp 1128950 
  
trunk/KDE/kdebase/workspace/plasma/generic/dataengines/calendar/calendarengine.h
 1128950 
  
trunk/KDE/kdebase/workspace/plasma/generic/dataengines/calendar/calendarengine.cpp
 1128950 

Diff: http://reviewboard.kde.org/r/4079/diff


Testing
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Extensive testing using plasmoidviewer, especially of the new default region 
algorithm with various combinations of country and language.


Thanks,

John

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