tooltip on image ?

Has anyone got any tips on how to get a tooltip displaying with an <xf:output mediatype="image/*> ? Both the image url & the tooltip text are derived from XForms instance data so I can't use regular HTML.

One way might be to have an <xf:output> of type HTML, and use a (complicated) XPath expression to generate an <img> tag with the tooltip. Which seems a bit ugly!

Adrian


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Hi Adrian,

> Has anyone got any tips on how to get a tooltip displaying with an
> <xf:output mediatype="image/*> ? Both the image url & the tooltip text
> are derived from XForms instance data so I can't use regular HTML.

maybe you could put the xf:output into a xhtml:div with a title
attribute. So the attribute value gets displayed as tooltip text. The
attribute value could be set dynamically with XSL. I've attached an example.

HTH
florian






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On 9/1/07, Florian Schmitt <[hidden email]> wrote:
> maybe you could put the xf:output into a xhtml:div with a title
> attribute. So the attribute value gets displayed as tooltip text. The
> attribute value could be set dynamically with XSL. I've attached an example.

Yes. And if the value is static, you can also write:

<xforms:output ref="/*" xhtml:title="gaga"/>

This will a title="gaga" on the span that contains your value.

Alex
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Thanks for both suggestions: unfortunately the tooltip text needs to be updated as the instance data changes. As I understand it the xsl is going to run once only using the initial instance value when the form is loaded.

Adrian

Alessandro Vernet wrote:

On 9/1/07, Florian Schmitt [hidden email] wrote:
  

maybe you could put the xf:output into a xhtml:div with a title
attribute. So the attribute value gets displayed as tooltip text. The
attribute value could be set dynamically with XSL. I've attached an example.
    

Yes. And if the value is static, you can also write:

<xforms:output ref="/*" xhtml:title="gaga"/>

This will a title="gaga" on the span that contains your value.

Alex
  

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Using the approach in samples/dynamic-image-trigger.xhtml (http://mail-archive.objectweb.org/ops-users/2006-12/msg00461.html) you can use a trigger to output the image and then add a <xf:hint> as normal.

Adrian Baker wrote:

Thanks for both suggestions: unfortunately the tooltip text needs to be updated as the instance data changes. As I understand it the xsl is going to run once only using the initial instance value when the form is loaded.

Adrian

Alessandro Vernet wrote:

On 9/1/07, Florian Schmitt [hidden email] wrote:
  

maybe you could put the xf:output into a xhtml:div with a title
attribute. So the attribute value gets displayed as tooltip text. The
attribute value could be set dynamically with XSL. I've attached an example.
    

Yes. And if the value is static, you can also write:

<xforms:output ref="/*" xhtml:title="gaga"/>

This will a title="gaga" on the span that contains your value.

Alex
  

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On 9/2/07, Adrian Baker <[hidden email]> wrote:
>
>  Thanks for both suggestions: unfortunately the tooltip text needs to be
> updated as the instance data changes. As I understand it the xsl is going to
> run once only using the initial instance value when the form is loaded.

We are planning to change the way <xforms:hint> is implemented to
display a tooltip (instead of the current label now shown at the left
of the control). When this is done, you will be able to use a
<xforms:hint ref="..."> inside an <xf:output mediatype="image/*>. I
imagine that this is what you wanted to do originally, right?

Alex
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On 9/5/07, Adrian Baker <[hidden email]> wrote:
>  Using the approach in samples/dynamic-image-trigger.xhtml
> (http://mail-archive.objectweb.org/ops-users/2006-12/msg00461.html)
> you can use a trigger to output the image and then add a <xf:hint> as
> normal.

Nice trick :).

Alex
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