On Tue, May 24, 2011 at 3:54 PM, Peter Cock <p.j.a.c...@googlemail.com> wrote: > On Tue, May 24, 2011 at 3:12 PM, Johannes Eichner > <johannes.eich...@uni-tuebingen.de> wrote: >> Dear Galaxy-Dev Team, >> >> is it possible to display the headers of the columns which can be >> selected in a data_column parameter? Currently, only the column index >> (e.g., c1, c2, etc.) is displayed in Galaxy. If it would be possible to >> additionally display the column headers, the selection of the desired >> columns would be easier for the user. Is there a way to do this using >> the current version of Galaxy? >> >> Kind regards, >> Johannes > > I completely agree that in general the UI for column parameter isn't > as user friendly as it could be. The filter data UI is even worse for > non-programmers, but due to its complexity and flexibility, that is > harder to improve too. > > This was one of the things I wanted to bring up with the Galaxy team > at the conference (starting tonight). Unfortunately due to the Grimsvotn > Volcano's cloud of ash I won't be there. > > In some cases yes, Galaxy knows the column meaning. In many of my > data files there is a # header line with tab separated column names, > which could be detected and shown. > > Given there may or not be suitable column meta data, what I was > picturing was an expanded column picking dialogue that could show > the first few rows of data in each column (not using a simple HTML > widget anymore), or simply the first value (less drastic change). > > So, rather than having as now something like: Pick column(s): > [ ] c1 > [ ] c2 > [ ] c3 > [ ] c4 > [ ] c5 > > If Galaxy has names in the column meta data you might have > Pick columns(s): > [ ] c1 - Identifier > [ ] c2 - Start > [ ] c3 - End > [ ] c4 - Strand > [ ] c5 - Sequence > > Or, showing the first data entry: Pick columns(s): > [ ] c1, e.g. "gi|12345678" > [ ] c2, e.g. "123" > [ ] c3, e.g. "456" > [ ] c4, e.g. "+" > [ ] c4, e.g. "ACGTACTGT..." > > In the final example I envision truncating very long values with > an ellipsis. > > Both the above proposals don't require drastic changes to the > HTML widget and layout. > > I guess we should file an enhancement issue on bitbucket: > https://bitbucket.org/galaxy/galaxy-central/issues/new
I have filed issue 554 for this proposed enhancement, https://bitbucket.org/galaxy/galaxy-central/issue/554 Peter ___________________________________________________________ Please keep all replies on the list by using "reply all" in your mail client. To manage your subscriptions to this and other Galaxy lists, please use the interface at: http://lists.bx.psu.edu/
