Alex,
Id generation, as far as I know, does not come for free. If you want to
receive an id generated by T5, you have to explicitly request it. You'll
find this done in one of the parent classes of the field elements -
possibly in AbstractField. I've implemented it the same way in several
different components, one of which you can see here:
http://code.google.com/p/gc-tapestry-components/source/browse/trunk/gc-tapestry5-components/src/main/java/net/godcode/t5c/components/SlideShow.java
The key parts are:
@Inject
private ComponentResources resources;
@Environmental
private PageRenderSupport renderSupport;
/** The client-side id. */
private String clientId;
/* Render phase. */
@SetupRender
void setupRender() {
clientId =
renderSupport.allocateClientId(resources.getId());
}
And then making sure you insert clientId into your component tag's id
attribute. This could probably be isolated into a mixin, or you could
probably just extend AbstractField. That would make sense as long as
your component's behavior merits the semantics of a field (which it
doesn't seem to).
Hope that helps.
chris
Alexander Lamb wrote:
Hello list,
It looks like custom components are not statefull.
Indeed, I have a loop which contains a graph I generate and a
TextField (for testing purposes), and the generated code looks like this:
<div><img
src="./statistics.dashboardview.enrollmentbenchmarkchart.monthserieslinechart:chart/460/280"></div></div></td></tr><tr><td><input
id="textfield_8" name="textfield_8" type="text" value="ITALY"><img
alt="[Error]" class="t-error-icon t-invisible" id="textfield_8:icon"
src="assets/tapestry/field-error-marker.gif"><div> IT <div><img
src="./statistics.dashboardview.enrollmentbenchmarkchart.monthserieslinechart:chart/460/280"></div></div></td></tr><tr><td><input
id="textfield_9" name="textfield_9" type="text"
value="NETHERLANDS"><img alt="[Error]" class="t-error-icon
t-invisible" id="textfield_9:icon"
src="assets/tapestry/field-error-marker.gif"><div> NL <div><img
src="./statistics.dashboardview.enrollmentbenchmarkchart.monthserieslinechart:chart/460/280"></div></div></td></tr><tr><td><input
id="textfield_10" name="textfield_10" type="text" value="NORWAY"><img
alt="[Error]" class="t-error-icon t-invisible" id="textfield_10:icon"
src="assets/tapestry/field-error-marker.gif"><div> NO
As you can see, my TextField gets incremented but not my
enrollmentbenchmarkchart !
Should I file a bug for this?
P.S. I tried to generate the ids but it didn't work.
Thanks,
Alex
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