I think this may be a limitation with the workflow forms... there is much less dynamism in the workflow run dialog then in the tool run dialog. I think Aysam is working on workflow modifications that will bring these various forms closer together - I don't know if that will be enough to implement this or not. https://trello.com/c/H5u4HrC3 http://dev.list.galaxyproject.org/quot-when-else-quot-in-lt-conditional-gt-R... Sorry for the bad news. -John On Thu, May 7, 2015 at 12:17 PM, Joanna Parmley <joanna@generalbioinformatics.com> wrote:

Hi,

We have our own local instance of Galaxy from the 15.03.2 release. I have developed a tool that works perfectly well normally but cannot get it integrated into a workflow as we would like.

My tool's input form has 3 select menus that use a .loc file (using “from_file” in the options tag) to dynamically load the select options depending on the selected option in the previous field .

The problem we see in the workflows happens in the following manner:

For the choice of input1 (A or B), there should be a subsequent menu with options for input2 (1,2,3 or 4,5,6 respectively). The select menu input1 is automatically populated with A as this is the first option in the file, and thus the second menu is automatically populated with 1, 2, and 3. However, when you try to select B as input1 the following message is shown:

An invalid option was selected for input2, u’1, please verify.

The select menu for input1 is then immediately reverted back to A. I can never select B.

Is there a way to get the dynamically loaded select menus to work in workflows?

Many thanks.

Joanna

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