Hi everyone. I'm trying to use a <param type="select" display="checkboxes"
multiple="true"> in a tool, but galaxy doesn't seem to work correctly if I
"unselect all".
This is what I have:
<param name="test" type="select" display="checkboxes" multiple="true"
label="A test">
<option value="a" selected="true">A</option>
<option value="b" selected="true">B</option>
<option value="c">C</option>
</param>
If I "unselect all", execute the tool, and then try to re-run the tool by
examining the output dataset, parameter A and B are selected, but they
shouldn't! When the history is converted to a workflow this breaks the intent
of the user!
Second problem: how do I test for single values in the <command> template?
Right now I'm (wrongly?) doing:
#if 'a' in $test.value:
...
#end if
but it breaks badly when all values are unselected ("$test.value" does not
exist, and thus cheetah fails to compile the template).
My solution would be:
#set $foo = str($test).split(',')
#if 'a' in $foo:
#end if
but this is _incredibly_ ugly. When I use a multi-select, I often want to see
if there's some single parameter in it. Any suggestions?
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