[richfaces-issues] [JBoss JIRA] Created: (RF-10489) extend render-property of rich:ajax to accept css or jquery like selectors

[nimo stephan (JIRA)]

extend render-property of rich:ajax to accept css or jquery like selectors
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                 Key: RF-10489
                 URL: https://issues.jboss.org/browse/RF-10489
             Project: RichFaces
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
            Reporter: nimo stephan


The JSF2 (RF4) supports ajax out of the box with its render-property.
The render-property does only accept one or more server-side compontent ID's.

Why does the render-value does not support classes?
Or going further, why does the render-value does not support css-or jquery-like selectors?

It would be very nice and clean to do something like this:

<f:ajax render="$('.myclass)" .../>

instead of this:

<f:ajax render=":form, :text, :table, :menu" .../>

myclass could be act as SERVICE:

So I say myclass has the name "update_data_hobbies" and with that name I include all its components which should be considered by invoking the service "update_data_hobbies".

<f:ajax render="$('.update_data_hobbies)" .../>
<h:form class="update_data_hobbies"..>
..
</h:form>
<h:inputText class"update_data_hobbies"../>
<rich:datatable class="update_data_hobbies".../>
<!-- and so on.. -->

(by the way, it would be cleaner to extract the service-name from the html5 data-attribute, for example data-ajax="update_data_hobbies").

With the ability to enhance the property with css-jquery-like selectors, I can, for example, easily update all my table-elements:

<f:ajax render="$('table')" .../>

Go one step further, now the developer can maintain all the ajax-cluttered-code easily by searching for the name of the service, namely update_data_hobbies, within the code  to get or see all related ajax-components in one step without the need to search by ID. Go two steps further, jboss tools can then easily provide an Editor ("ajax-overview-editor") in which all correlated ajax-calls are viewed by its service.

One of the main problems while developing ajax-sites is, that it is not very fast and easy to see and maintain all the components which are affected by ajax-calls. It will become harder, if the affected compontens are cluttered in more than one pages, which can happen when using templating future of jsf/facelets. It is annoying, to limit the render-value by its id, it is annoying, to search all the ID's which are listed in the render-value manually. It would leverage the semantic level of developing and maintainance by introducing the service "update_data_hobbies" instead of its correlated IDs.

For this reason, I created a future request.

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