Hi Markus,
To use <details><summary> like you envision you need to add some scaffolding.
Realize that the ajax link and the ajax submit button can be given a named
function. When you do that, they don’t render, put provide a name you can call
on the client side that will do a round trip to the server. So you need to
consider if you have a form (or not) and if you want to synchronize bindings
(or not) to choose between them. But let’s assume you just want a “click”
without form values going across. You’ll need to place an element like this
near your <details><summary>:
<wo:AjaxHyperlink functionName = "$toggleFunctionName" action = "$toggle” />
Bindings could be implemented like so:
public String toggleFunctionName() {
if (StringUtils.isBlank(_toggleFunctionName)) {
_toggleFunctionName = "details_summary_" +
ERXWOContext.safeIdentifierName(context(), true /*willCache*/);
}
return _toggleFunctionName;
}
public WOActionResults toggle() {
setIsOpen( ! isOpen());
return null;
}
Then you’ll need to build your summary tag as a container element and listen to
click events like so:
<wo:genericContainer elementName = "summary" onclick = "$onclickJavascript”>
Summary text
</wo:genericContainer>
The click text could be:
public String onclickJavascript(){
String code = toggleFunctionName() + "(); return true;";
return code;
}
Or if there is a lot of complex stuff going on and race conditions with JS
events maybe you need a hack to invoke Ajax on a delay
public String onclickJavascript(){
String code = "setTimeout(" + toggleFunctionName() + ", 500); return true;";
return code;
}
Notice that there is no update container specified on the AjaxHyperlink. That’s
because you don’t need to refresh anything, you only need to tell the server
the state of open/close.
> On Jun 23, 2024, at 7:28 AM, mailinglists via Webobjects-dev
> <[email protected]> wrote:
>
> Anyone using this component? It has bindings that seem not to be used. Does
> this work at all? I cannot make sense of it.
>
> Alternatively has anyone made proper use of the html construct
> <details><summary>? It works nicely but I cannot preserve “open” state when
> updating an enclosing container because I have not found a way to call back
> into the server when the summary is clicked to open/close. This action is
> pure client side performed by the browser itself. Any way to tap into it?
>
> Any other usable component around for such a hide/reveal functionality?
>
> Thanks for your ideas
> ---markus---
>
>
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