here some sample code sequences your page class (simplified):
@Component(parameters={"event=change" "onCompleteCallback=onSelect1Changed"}) @Mixins("t5components/OnEvent") private Select _select1 @Component private Select _select2 @OnEvent(component = "select1", value = "change") JSONObject select1ElementChanged(String value) { JSONObject json = new JSONObject(); json.put("result", new JSONArray("[['a', 'value a'], ['b', 'value b'], ['c', 'value c'], ['d', 'value d']]")); return json; } your page tml (simplified): <select t:id="select1"> <option value="1">first value</option> </select> <select t:id="select2"> </select> <script type="text/javascript"> function onSelect1Changed(response) { var json = response.evalJSON(); var array = $A(json.result) array.each(function(item){ // create new option for select tag "select2" and fill value attribute with "item[0]" // and fill option.innerText with "item[1]" }) } </script> 2008/4/24, Marcelo Lotif <[EMAIL PROTECTED]>: > > Yeah, i know this, but none of these responses suit to my needs (maybe a > Page response, but this will force a reload)... i tried to return a block > with the part of the code that i was trying to change, but i had no success > > And i don't have the enough knowledge of the JSON api and javascript... > > So i'm using the onchange='this.form.submit()'... > > =) > > > 2008/4/24 Sven Homburg <[EMAIL PROTECTED]>: > > > the JSONObject/JSONArray response too > > > > 2008/4/24, Sven Homburg <[EMAIL PROTECTED]>: > > > > > > the return type is not limited to StreamResponse. > > > all you can respond all that tapestry allowes here > > > http://tapestry.apache.org/tapestry5/tapestry-core/guide/pagenav.html > > > its up to you > > > > > > 2008/4/24, Marcelo Lotif <[EMAIL PROTECTED]>: > > >> > > >> I had the same issue as Leon some days ago (and this seems to be a > very > > >> common issue), and i tried your component. It's very good, with some > > ajax, > > >> but the return type is a little bit limited for what i was trying to > > >> achieve(update a combo with information from another combo, which has > > your > > >> mixin). The only way to do it was hardcoding the select in my java(or > > >> javascript, whatever), that was too creepy for me. > > >> > > >> My questions: > > >> 1 - Is there any way of change my page data with something more > > elaborate > > >> than TextStreamResponse? > > >> 1 - Is there any efforts on adding some similar behavior to future > > >> releases? > > >> > > >> Thank you! > > >> > > >> 2008/4/24 Sven Homburg <[EMAIL PROTECTED]>: > > >> > > >> > > >> > try this > > >> > > > >> > > > >> > > > http://87.193.218.134:8080/t5components/t5c-commons/ref/org/apache/tapestry/commons/mixins/OnEvent.html > > >> > > > >> > 2008/4/24, Leon Derks <[EMAIL PROTECTED]>: > > >> > > > > >> > > Hello > > >> > > > > >> > > Is it possible to catch the onChange event from a select component > > in > > >> the > > >> > > java page? > > >> > > > > >> > > I would expect something like: onChangeFromSelect(long id) {....} > > >> > > > > >> > > Because I want to update information on my page, based on the > value > > >> that > > >> > is > > >> > > selected. > > >> > > > > >> > > How can I do that? > > >> > > > > >> > > Leon > > >> > > > > >> > > > > >> > > > > --------------------------------------------------------------------- > > >> > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > >> > > For additional commands, e-mail: [EMAIL PROTECTED] > > >> > > > > >> > > > > >> > > > >> > > > >> > -- > > >> > with regards > > >> > Sven Homburg > > >> > http://tapestry5-components.googlecode.com > > >> > > > >> > > >> > > >> > > >> > > >> -- > > >> Atenciosamente, > > >> > > >> Marcelo Lotif > > >> > > > > > > > > > > > > -- > > > with regards > > > Sven Homburg > > > http://tapestry5-components.googlecode.com > > > > > > > > > > > -- > > with regards > > Sven Homburg > > http://tapestry5-components.googlecode.com > > > > > > > -- > Atenciosamente, > > Marcelo Lotif > -- with regards Sven Homburg http://tapestry5-components.googlecode.com