[kepler-dev] [Bug 2414] New: - Opening a preexisting model should open in a blank viewer

bugzilla-daemon@ecoinformatics.org bugzilla-daemon at ecoinformatics.org
Thu Apr 13 14:42:33 PDT 2006


           Summary: Opening a preexisting model should open in a blank
           Product: Kepler
           Version: 1.0.0beta2
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: interface
        AssignedTo: brooke at nceas.ucsb.edu
        ReportedBy: cxh at eecs.berkeley.edu
         QAContact: kepler-dev at ecoinformatics.org

In "add welcome screen for release 1.0" at

Matthew wrote:

> Now this has been added, here is a very common use case, which seems incorrect
> (reported by Kevin):
> 1) User starts kepler - gets blank graph frame, with new welcome screen in front
> 2) User dismisses welcome screen, and is left with blank graph frame
> 3) User then does "File->Open" and opens an existing workflow
> 4) The workflow then opens in a *new* graph frame, leaving the original, empty 
> graph frame on the screen.
> Proposed resolution: 
> BEST: at startup, if user does the above, then the workflow gets opened in the
> *existing* blank graph frame. Subsequently-opened workflows open up in *new*
> graph frames, as before

> INTERIM: if we don't have time to implement the above for this release, then
> check to see if we are in the above use-case, and if so, close the blank graph
> frame after the first workflow has been opened
> Any other thoughts/comments/ideas?

I wrote:
> Probably File Open should be smart enough to realize that the current window
> is mostly blank and a candidate for replacement.  I'm not sure if
> this will be very easy.  For example, when one does File -> Save As, and
> uses a new name, a new window appears.  We need to handle "Unnamed" models
> specially.  I can take a look at this at some point, but probably not before
> early March.

I won't have time before Kepler 1.0, so I'm opening this as a separate 
enhancement.  This new bug has to do with the blank or Unnamed models,
has to do with the welcome window.

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