Review Request 111657: Project performance chart refresh

[Alvaro Soliverez]

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http://git.reviewboard.kde.org/r/111657/
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Review request for Calligra.


Description
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* When effort is added to a task, use the Node::CompletionActualEffort property to have the performance cache should be refreshed when it hits Node::changed() method. 
This solves bug 322735, where the project performance chart is not refreshed. This is because there is a cache that does not get refreshed unless the changed() method is called with the correct property.

* Instead of traversing all nodes looking for the one without parent, request the project for that node using projectNode(). Just a small optimization. The one node without parent is the project node, which can be easily requested, instead of making a O(n2) loop.


This addresses bug 322735.
    http://bugs.kde.org/show_bug.cgi?id=322735


Diffs
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  plan/libs/kernel/kpttask.cpp da48be0 
  plan/libs/models/kptnodechartmodel.cpp 655dfc8 

Diff: http://git.reviewboard.kde.org/r/111657/diff/


Testing
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Tested manually. The performance chart is refreshed correctly and there were no apparent performance drops or other side-effects.


Thanks,

Alvaro Soliverez

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