Everybody hello.
As far as i know:
- if ypu add to some component ajax timer behaviour and then add
this component to ajax target while handling another ajax
behaviour - there's no header contributed javascript added to
response at the second time. So, after first updating
there's no script to call. I have had 'fix' this like
this:
------
// link wich start some long living process
final AjaxSubmitLink importRefreshLink = new
AjaxSubmitLink("import_refresh_link")
{
// handling clicking on link
protected void onSubmit(AjaxRequestTarget target, Form form)
{
// some code for starting process skipped
// ...
// adding progress info to ajax response - it's just a label
// with dynamic content (long living process completion status
// - without timer behaviour at this moment)
target.addComponent(progressInfo);
// here we are adding timer behaviour to label
progressInfo.add(new AbstractAjaxTimerBehavior(Duration.seconds(5))
{
// our own 'stop' state - kind of fix related to header
// javascript
boolean stoppedFlag = false;
// handling our logic
protected void onTimer(AjaxRequestTarget tgt)
{
// some code to determine state of long living
// process skipped
// here we also stop timer and set stoppedFlag to
// true when long living process finish
}
// redefine head rendering so while our process is live
// - we add timer - js to ajax response
public void renderHead(IHeaderResponse response)
{
super.renderHead(response);
if (!stoppedFlag)
response.renderOnLoadJavascript(getJsTimeoutCall(getUpdateInterval()));
}
}
}
}
------
JM> If I have a panel that nests a border which in turn nests som labels.
JM> The border has the self updating behaviour. If I run on 1.3.0-beta3
JM> the self updating seems to work when this panel is inserted into a
JM> page through the replace.
JM> If I run this on 1.3.0-rc1 it does not update. Sadly the sample
JM> applications are similar but not the same. I will try to run the exact
JM> same sample in a few days, but anyway here is the code that does not
JM> work.
JM> ----------
JM> public class MemoryIndexPanel extends Panel {
JM> public MemoryIndexPanel(String id) {
JM> super(id);
JM> Border someBorder = new BoxBorder("someborder");
JM> someBorder.add(new
JM> AjaxSelfUpdatingTimerBehavior(Duration.seconds(3)));
JM> someBorder.setOutputMarkupId(true);
JM> add(someBorder);
JM> someBorder.add(new Label("heap", new HeapModel()));
JM> }
JM> static class HeapModel extends AbstractReadOnlyModel {
JM> @Override
JM> public Object getObject() {
JM> final Locale userLocale = new Locale("sv", "SE");
JM> final NumberFormat numberFormat = NumberFormat
JM> .getInstance(userLocale);
JM> final long freeMemory = Runtime.getRuntime().freeMemory();
JM> return numberFormat.format(freeMemory);
JM> }
JM> }
JM> }
JM> -------------------
JM> // HelloPanel is just a dumb panel with no components
JM> class SwitchPanelLink extends AjaxLink {
JM> public SwitchPanelLink(String id) {
JM> super(id);
JM> }
JM> @Override
JM> public void onClick(AjaxRequestTarget target) {
JM> if (hello) {
JM> panel = new HelloPanel("switchingpanel");
JM> hello = false ;
JM> } else {
JM> panel = new MemoryIndexPanel("switchingpanel");
JM> hello = true ;
JM> }
JM> panel.setOutputMarkupId(true);
JM> Index.this.replace(panel) ;
JM> target.addComponent(panel);
JM> }
JM> }
JM> ------------------
JM> On Nov 29, 2007 9:46 PM, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
>> what wicket version are you using? and in the output see if the
>> javascript to update it is included...
>>
>> -igor
>>
>>
>>
>> On Nov 29, 2007 12:44 PM, Johan Maasing <[EMAIL PROTECTED]> wrote:
>> > Sorry for my bad explanation. No the other way around. I have a "dumb"
>> > panel which I then replace with the self updating one.
>> > The SelfUpdating panel is displayed but it triggers no update of itself.
>> > If I just add the self updating panel to the page (no AjaxLink to
>> > replace it in) it updates itself.
>> >
>> >
>> > On Nov 29, 2007 9:37 PM, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
>> > > you replace the component that has the updating behavior with another
>> > > one that doesnt and then it doesnt update? because the new panel
>> > > doesnt have the updating behavior added to it....
>> > >
>> > > -igor
>> > >
>> > >
>> > >
>> > > On Nov 29, 2007 12:34 PM, Johan Maasing <[EMAIL PROTECTED]> wrote:
>> > > > I have a panel that updates regularly like this:
>> > > > updatingPanel.add(new
>> > > > AjaxSelfUpdatingTimerBehavior(Duration.seconds(3)));
>> > > >
>> > > > Now, if I have a page that includes an AjaxLink that does a replace of
>> > > > one panel in the page to the panel that have the update behaviour it
>> > > > does not update.
>> > > > Is this because the replace of one component for another does not
>> > > > include the necessary JavaScript för SelfUpdating to work? Is this
>> > > > expected?
>> > > >
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>> > >
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>> > >
>> >
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>> >
>>
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>>
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WBR, Dmitry.
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