Dear all,

Found the mistake, accept_default="true" was messing things.


On Fri, Jul 12, 2013 at 3:34 PM, Christos Kannas <>wrote:

> Deal all,
> We have a tool with the following parameters declarations:
> <inputs>
> <param type="data" format="tabular, csv" name="input" required="True"
> label="Please select the file to read"
>  help = "
>  This tools only supports comma separated (.csv, .txt) and tab separated
> (.tab, .txt) text files.
>  If you can't see your file in the selection box make sure that you have
> uploaded it using the correct file format.
>  Alternatively, you can convert almost any character separated text file
> in to tab separated using the 'Convert
>  delimiters to TAB' tool (under 'Text Manipulation')"/>
> <param name="idcol" label="Column containing a unique ID for each
> compound" type="data_column" data_ref="input" accept_default="true"
>  help = "Your file must contain at least one column with a unique ID for
> each compound."/>
> <param name="columnList" label="Columns containing property values"
> type="data_column" data_ref="input" accept_default="true" multiple="true"
> display="checkboxes" force_select = "false"
>  help = "Your file can contain columns that describe more that one
> properties. Select all the columns you want to read here."/>
>  <param name="outcol" label="Column containing an outcome value"
> type="data_column" data_ref="input" accept_default="true"
>  help = "If your file contains a column that describe the outcome of an
> experiment you should select it here. Currently only one outcome per file
> is supported."/>
>  </inputs>
> As you can see in the highlighted lines, we have a parameter that is of
> type data_column and has data_ref the input dataset, also allows multiple
> selection.
> The purpose is to have a multiple selection of columns from the input file.
> But in the interface we see a '?' as first column and then the columns of
> the input file.
> If we remove the multiple select its ok.
> Does data_ref works along side multiple selection?
> Regards,
> Christos
> --
> Christos Kannas
> Researcher
> Ph.D Student
> e-Health Laboratory <>
> Mob: (+357) 99530608


Christos Kannas
Ph.D Student

e-Health Laboratory <>

Mob: (+357) 99530608
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