Multiple projects in DAT

[remram44]

(originally TRAC#6, 2013-02-12)

Currently only one controller is considered at once. Data associated with different controllers will not interfere (since f66390b).

Switching the current controller is possible from VisTrails's builder window, but there is no support for multiple controller in the current UI, or to move variables/visualizations between projects.

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comment by @remram44:

I began working on this in branch 'multiple-sheets'. I'm going towards one sheet per project (= controller).

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comment by @remram44:

As of 7b4d1e2, there is now one sheet per project, and the current sheet is synced with VisTrails's current controller.

More functionalities might be needed such as support for copying variables (should we use a tree in the variables panel?) or whole visualizations.

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comment by @remram44:

We want multiple spreadsheets per project (= vistrail). This could either be a two-level selection (project then spreadsheet), using two different tab bars (or a tree like UVCDAT?) or one level (tabs with names like "vis1.xml / sheet1", "vis1.xml / sheet2", "other_vis.xml / sheet1").

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comment by @remram44:

Multiple sheets per project have been merged in as of 5274f59, still only using the spreadsheet's tab bar.