[Webical-developers] Fwd: [Wicket-user] in-progress indicator

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Another suggestion from the wicket mailinglist. Shall I add this also?

---------- Forwarded message ----------
From: Marc-Andre Houle <mh...@gm...>
Date: Jan 29, 2007 3:41 PM
Subject: Re: [Wicket-user] in-progress indicator
To: wic...@li...

I don't know if it can help, but for us, we added this code in our base page
to make the cursor change when there is an ajax call in progress :
    <script language="Javascript" type="text/javascript">
        Wicket.Ajax.registerPreCallHandler(function() {
document.getElementById("main").style.cursor='progress'; });
        Wicket.Ajax.registerPostCallHandler(function() {
document.getElementById ("main").style.cursor='auto'; });
        Wicket.Ajax.registerFailureHandler(function() {
document.getElementById("main").style.cursor='auto'; });
    </script>

On 1/28/07, Frank Bille <fra...@gm...> wrote:
>
> You are welcome to add it to the wiki :)
>
> Frank
>
> On 1/28/07, Ivo van Dongen <ivo...@gm...> wrote:
> >
> > Thanks, works like a charm! I didn't find a tabbed panel variant that
> > uses the indicating links by the way. I've added it below, perhaps someone
> > finds it usefull.
> >
> > package org.webical.web.components.ajax.tabs ;
> >
> > import java.util.List;
> >
> > import wicket.ajax.AjaxRequestTarget;
> > import wicket.extensions.ajax.markup.html.IndicatingAjaxLink;
> > import wicket.extensions.ajax.markup.html.tabs.AjaxTabbedPanel;
> > import wicket.markup.html.WebMarkupContainer ;
> >
> > /**
> >  * Adds indicating behavior to the tabbed panel
> >  * @author ivo
> >  *
> >  */
> > public class IndicatingAjaxTabbedPanel extends AjaxTabbedPanel {
> >     private static final long serialVersionUID = 1L;
> >
> >     /**
> >      * @param id the components id
> >      * @param tabs the tabs to show
> >      */
> >     public IndicatingAjaxTabbedPanel(String id, List tabs) {
> >         super(id, tabs);
> >     }
> >
> >     /**
> >      * Adds an IndicatingAjaxLink
> >      * @see
> > wicket.extensions.ajax.markup.html.tabs.AjaxTabbedPanel#newLink(
> > java.lang.String, int)
> >      */
> >     @Override
> >     protected WebMarkupContainer newLink(String linkId, final int index)
> > {
> >
> >         return new IndicatingAjaxLink(linkId) {
> >             private static final long serialVersionUID = 1L;
> >
> >             /**
> >              * Copied from <code>
> > wicket.extensions.ajax.markup.html.tabs.AjaxTabbedPanel </code>
> >              * @see wicket.ajax.markup.html.AjaxLink#onClick(
> > wicket.ajax.AjaxRequestTarget)
> >              */
> >             @Override
> >             public void onClick(AjaxRequestTarget target) {
> >                 setSelectedTab(index);
> >
> >                 if(target != null) {
> >                     target.addComponent(IndicatingAjaxTabbedPanel.this);
> >                 }
> >
> >                 onAjaxUpdate(target);
> >             }
> >
> >         };
> >
> >     }
> > }
> >
> > On 1/28/07, Martijn Dashorst < mar...@gm...> wrote:
> > >
> > > We have an AjaxIndicatingLink (or something similarly named) component
> > >
> > > that displays an indicator next to the link. I believe it is in the
> > > extensions project. You can take that and use it directly or use it to
> > > add the desired functionality to your own components.
> > >
> > > Martijn
> > >
> > > On 1/28/07, Ivo van Dongen <ivo...@gm...> wrote:
> > > > I agree, but what I meant to ask is how to go about this? I thought
> > > of using
> > > > an AjaxCallDecorator, but that would mean that it must be added to
> > > each
> > > > component that makes an ajax call. I was wondering if somebody had
> > > an easier
> > > > idea.
> > > >
> > > >
> > > > On 1/28/07, Carfield Yim < car...@gm...> wrote:
> > > > > I personally think gmail presentation is simple and user friendly
> > > > >
> > > > > On 1/28/07, Ivo van Dongen < ivo...@gm...> wrote:
> > > > > > Hi,
> > > > > >
> > > > > > We're adding some Ajax support to our pages and some of the
> > > components
> > > > can
> > > > > > take a long time to load. To the user it is not clear if
> > > anything is
> > > > > > happening so we want to add a sign that a request is in
> > > progress,
> > > > something
> > > > > > like an animated gif. This should pop-up on each XMLhttpRequest
> > > and
> > > > > > disappear when the call is completed. What would be a good way
> > > to
> > > > accomplish
> > > > > > this?
> > > > > >
> > > > > > Thanks in advance,
> > > > > > Ivo van Dongen
> > > > > >
> > > > > >
> > > >
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