Hi.
Thanks for that. I was worried about removing behaviors - but thanks for the
information.
I'm going to look at how easy it is to change time on an
AjaxSelfUpdatingTimerBehavior?
I need a poll anyway so I am thinking of polling once every five minutes and
then when the refresh is occurring I can poll evey 5 seconds, then when
finished - back to five minutes...
Cheers, Graeme.
reiern70 wrote:
>
> Hi Graeme,
> I don't know if what follows is the best way... but when I export a file
> on my applications sometimes I want to display a progress bar to give
> users
> some feed back... I have done the following:
>
>
> public abstract class DefaultExportPanel extends Panel {
>
> /**
> *
> */
> private static final long serialVersionUID = 1L;
>
> private AbstractExportDialogButton button;
> private WebMarkupContainer progress;
> /**
> * @param id
> */
> public DefaultExportPanel(String id, AbstractExportDialogButton button) {
> super(id);
> this.button = button;
> setOutputMarkupId(true);
> }
> @Override
> protected void onBeforeRender() {
> if(!this.button.getExportTask().isFinished()) {
> for(Object behavior : getBehaviors()) {
> if(behavior instanceof AjaxSelfUpdatingTimerBehavior) {
> remove((AjaxSelfUpdatingTimerBehavior)behavior);
> }
> }
> add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(2)));
> progress = new ProgressReportPanel("progress",
> DefaultExportPanel.this.button.getExportTask().getProgressReporter());
> addOrReplace(progress);
> } else {
> for(Object behavior : getBehaviors()) {
> if(behavior instanceof AjaxSelfUpdatingTimerBehavior) {
> remove((AjaxSelfUpdatingTimerBehavior)behavior);
> }
> }
> add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(100)));
> progress = new DownLoadExportPanel("progress",
> this.button.getExportTask().getFile()) {
> private static final long serialVersionUID = 1L;
>
> @Override
> public String getContentType() {
> return DefaultExportPanel.this.getContentType();
> }
> @Override
> public String getMessage() {
> return DefaultExportPanel.this.getDowloadMessage();
> }
> };
> progress.setOutputMarkupId(true);
> addOrReplace(progress);
> }
> super.onBeforeRender();
> }
> public abstract String getContentType();
> public abstract String getDowloadMessage();
>
> }
>
> and the corresponding markup:
>
> <html xmlns:wicket>
> <wicket:panel>
> <table width="100%" align="center" cellpadding="0" cellspacing="0">
>
> <tr>
> <td align="center">
> <div wicket:id="progress"></div>
> </td>
> </tr>
> </table>
> </wicket:panel>
> </html>
>
> The part:
>
> add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(100)));
> progress = new DownLoadExportPanel("progress",
> this.button.getExportTask().getFile()) {
> private static final long serialVersionUID = 1L;
>
> @Override
> public String getContentType() {
> return DefaultExportPanel.this.getContentType();
> }
> @Override
> public String getMessage() {
> return DefaultExportPanel.this.getDowloadMessage();
> }
> };
> progress.setOutputMarkupId(true);
>
> after removing the behaviors I had to add it because otherwise I would get
> an exception when using IE... I know this works, or is working for me
> with
> the snapshot of 1.4.X branch I use, but I'm not sure if its the best way
> to
> achieve this...
>
> Best,
>
> Ernesto
>
> On Sun, Nov 16, 2008 at 10:54 PM, Graeme Knight
> <[EMAIL PROTECTED]>wrote:
>
>>
>> Oh. I'm wondering: https://issues.apache.org/jira/browse/WICKET-1525
>>
>> Perhaps there is another way?
>>
>>
>> Graeme Knight wrote:
>> >
>> > Maybe I'm trying to do something silly. Is there an alternative?
>> >
>> >
>> > Graeme Knight wrote:
>> >>
>> >> Hi.
>> >>
>> >> What's the best way of achieving this effect:
>> >>
>> >> 1) Button is pressed to start a process.
>> >> 2) Updating of various panels contained within a WebMarkupContainer
>> >> occurs on a 5 second period.
>> >> 3) Process stops and updating of WebMarkupContainer also stops.
>> >>
>> >> I understand the use of AjaxSelfUpdatingTimerBehavior - this really is
>> a
>> >> question of the best way to add/remove from the WebMarkupContainer on
>> >> demand, or enable/disable on demand.
>> >>
>> >> Any thoughts most welcome.
>> >>
>> >> Rgds, Graeme.
>> >>
>> >
>> >
>>
>> --
>> View this message in context:
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>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>
>>
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>
>
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