Stephen,
You might also consider using the subform support:
http://www.w3.org/MarkUp/Forms/wiki/XForms_2.0#The_load_Element
http://www.w3.org/MarkUp/Forms/wiki/XForms_2.0#The_unload_Element
<http://www.w3.org/MarkUp/Forms/wiki/XForms_2.0#The_load_Element>
Alain has implemented load/@show='embed' support in the SVN versions of
XSLTForms.
The event sequence model isn't yet written up but you should expect
model-construct-done and refresh and so on to work.
The loaded subform should be an XHTML+XForms document with a minimal
model (if you want to use the outer form's model) or a full model with
an ID (if you want the page to use the new model). Start the html/body
with a single xf:group with the desired @model attribute. In the outer
page, use an empty xf:group to contain the loaded subform. The xf:group
will get an xforms-subform-loaded CSS class added to it when then load
is done, and it will be removed when the unload is done.
Leigh.
On 02/09/2012 01:59 PM, Stephen Cameron wrote:
Hi Dan,
Its not the model that is the issue in this case but the form itself.
Doesn't the current versions of XSLTForms make use of a browser DOM
object for each model instance? Whereas originally it built a
Javascript tree which was slower.
On Fri, Feb 10, 2012 at 1:11 AM, Dan McCreary <[email protected]
<mailto:[email protected]>> wrote:
Hi Stephen,
One alternative I might suggest is to use a "multi-tab" form and
use a technique called "incremental model loading" if your model
is large.
Here is a demo of incremental model loading:
http://en.wikibooks.org/wiki/XForms/Incremental_Model_Loading
here is some sample UI for the tabs:
http://en.wikibooks.org/wiki/XForms/Horizontal_File_Tab_Menu
The tricky part comes if you have bind rules that span tabs.
- Dan
On Thu, Feb 9, 2012 at 3:19 AM, Stephen Cameron
<[email protected] <mailto:[email protected]>>
wrote:
Hello All,
I have a large xform and its going to get bigger, the time to
transform the xform and render it is now quite significant and
getting to the point where it is an issue, given that people
don't see anything happening throughout the process.
One option is to pre-transform the xml 'form' into an html
'page', which I used to do successfully but now cannot using
Saxon, it complains.
But my questions actually relate to browser transformation:
1. If I give all of the xform controls an explicit ID, rather
than the xsltforms.xsl stylesheet having to calculate them,
does this speed up the transformation significantly?
2. Is it possible perhaps to change the way that the transform
occurs such that the html markup is generated first and then
the Xform related javascript second. In theory the browser
should start rendering the page before the parsing of the
Javascript section is completed. I'm imagining this as a
two-pass process in the xsltforms stylesheet.
I have to say that once the rendering is completed the
performance of the form itself is excellent, despite its
growing complexity. I assume this is due to the presence of a
true dependency graph in the newer versions of XSLTForms. :)
Thanks for your insights.
Steve Cameron
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