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Upload: how to enable the 'clear' function upfront?

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Boon Low

Upload: how to enable the 'clear' function upfront?

Hi,

I'm currently building an upload widget with the following:

<xforms:upload ref=""instance('dublincore')/nesc:file"">

<xforms:label class="fixed-width">File</xforms:label>

<xforms:filename ref="@name"/>

<xforms:mediatype ref="@mediatype"/>

<xxforms:size ref="@size"/>

<xforms:setvalue ev:event="xforms-select" ref="instance('triggers')/nesc:file">on</xforms:setvalue>

<xforms:setvalue ev:event="xforms-deselect" ref="instance('triggers')/nesc:file">off</xforms:setvalue>

</xforms:upload>

Using the 'select/deselect' events I'm able to show/hide another widget enabling users to grant use licences.

Everything works fine apart from one issue: I would like to have the 'clear' function to be available immediately after a file has been selected, as shown below (Fig. 1):

Fig.1

But the above scenario only happens when I type something in the URL input which is implemented with "incremental="true" with a "xforms-value-changed" submission (to automatically retrieve the URL mimetype for the format option).

What I currently have, after a file selection, is shown in the following (Fig. 2):

Fig.2

This scenario doesn't offer a 'clear' function upfront to users after a file selection (they only choose another file). The 'clear' function only appears after users do something else in the form with 'incremental=true" characteristic. Not very intuitive.

Anyone has a workaround for this or can offer a good advice? This seems to relate to 'rebuild'. May be I could do something with the xforms-select event to cause the upload widget to change?

Regards,

Boon

-----

Boon Low

Web and System Developer,

UK National e-Science Centre

http://homepages.ed.ac.uk/boon

http://www.flickr.com/photos/ipohkia/
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.

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