On Thu, Aug 4, 2011 at 3:42 PM, Peter Cock <[email protected]> wrote: > Dear all, > > I'm trying to define an *optional* column parameter as follows: > > <param name="start_col" type="data_column" data_ref="input_tabular" > multiple="False" numerical="False" optional="True" > label="Column containing start co-ordindate" > help="Leave empty to include everything from the first base/residue"/> > > i.e. I want the user to either select ONE of the columns of the input > tabular data file (in which case getting "1" or "c1" etc as the string > is fine) OR pick no column at all (in which case I want an empty > string or similar in the command string. > > Is this possible? > > The above parameter loads fine, but defaults to the first column with > no apparent way to un-make this implicit selection.
I've noticed a potential UI solution and precedent in Galaxy: if you do "edit attributes" for an "interval" file - here the strand and name settings combine a checkbox and select box. Can we have this UI behaviour for a tool XML file parameter as described above please? 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/
