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Description
In #281 we separated enclosures into separate functions, and forgot some variables :-(
This PR fix the lost variables for the chart view.
Screenshot
![gifrecord_2017-02-16_144457](https://cloud.githubusercontent.com/assets/2181522/23021862/c8033300-f456-11e6-97e3-d92bda300406.gif)
problem (only one line)
fix (we see all the lines)
![gifrecord_2017-02-16_144252](https://cloud.githubusercontent.com/assets/2181522/23021865/cb6c7eb6-f456-11e6-8ea4-d76c662a9693.gif)