A fix for this is on the way.

On Fri, Mar 27, 2015 at 10:53 AM, Peter Cock <p.j.a.cock@googlemail.com> wrote:
Hi all,

Unfortunately it appears that the new-look check box controls are wrongly
defaulting to ticking the first item rather than following the defaults given.

This is a recent regression which I noticed on updating our production Galaxy
to the 15.03 release which included a number of visual style updates to the
parameter widgets:

https://trello.com/c/8alIlOUN/2590-param-type-select-display-checkboxes-multiple-true-default-values-not-used

e.g. this example from the BLAST+ wrappers should default to all the
checkboxes being checked (ticked):

<param name="std_cols" type="select" multiple="true"
display="checkboxes" label="Standard columns">
<option selected="true" value="qseqid">qseqid = Query Seq-id (ID of
your sequence)</option>
<option selected="true" value="sseqid">sseqid = Subject Seq-id (ID of
the database hit)</option>
<option selected="true" value="pident">pident = Percentage of
identical matches</option>
<option selected="true" value="length">length = Alignment length</option>
<option selected="true" value="mismatch">mismatch = Number of
mismatches</option>
<option selected="true" value="gapopen">gapopen = Number of gap
openings</option>
<option selected="true" value="qstart">qstart = Start of alignment in
query</option>
<option selected="true" value="qend">qend = End of alignment in query</option>
<option selected="true" value="sstart">sstart = Start of alignment in
subject (database hit)</option>
<option selected="true" value="send">send = End of alignment in
subject (database hit)</option>
<option selected="true" value="evalue">evalue = Expectation value
(E-value)</option>
<option selected="true" value="bitscore">bitscore = Bit score</option>
</param>

Thus far I've only noticed this where multiple="true" since for single select
parameters I've normally opted for the radio-select button instead.

Does anyone use multiple="false" (default) with display="checkboxes"?

Peter
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