Unfortunately the approach below seems not to work reliably on IE7;
for certain kind of changes, the OnSuccess or OnFailure never gets
called and so the cursor gets stuck in Busy mode. That stinks!
On Dec 18, 2007 11:29 AM, Kirk Israel <[EMAIL PROTECTED]> wrote:
> I guess I prefer the convention of changing the mouse pointer to
> "busy" rather than putting a little throbber by the link for two
> reasons:
> 1. the throbber risks messing with the layout of the page
> 2. Changing the cursor has a much longer history as a UI convention
> for computer busyness
>
> Now Firefox was already changing the cursor for Ajax operations for
> some cases, but it was inconsistent,
> I think this small class deals with that:
>
> /**
> * AjaxFallbackLink that changes mouse pointer to "progress" (i.e.
> busy) during Ajax operations
> * for the link itself (in case the pointer is still hovering over it)
> and the whole document
> * (if the pointer has been moved)
> *
> */
> public abstract class ProgressPointerAjaxFallbackLink extends
> AjaxFallbackLink {
> public ProgressPointerAjaxFallbackLink(final String id) {
> this(id, null);
> }
> public ProgressPointerAjaxFallbackLink(final String id, final IModel
> model){
> super(id, model);
> }
> @Override
> protected IAjaxCallDecorator getAjaxCallDecorator() {
> return new AjaxCallDecorator(){
> private static final long serialVersionUID = 1L;
> public CharSequence decorateScript(CharSequence pScript) {
> return
> "this.style.cursor='progress';document.body.style.cursor='progress';"+pScript;
> }
>
> public CharSequence decorateOnSuccessScript(CharSequence pScript)
> {
> return
> "this.style.cursor='pointer';document.body.style.cursor='auto';"+pScript;
> }
>
> public CharSequence decorateOnFailureScript(CharSequence pScript)
> {
> return
> "this.style.cursor='pointer';document.body.style.cursor='auto';"+pScript;
> }
> };
> }
> }
>
>
> "ProgressPointerAjaxFallbackLink" is more concise but probably less
> readable than my coworker's suggestion "BusyCursorAjaxFallbackLink".
> Actually I might switch to the latter.
>
> Feedback to this approach and/or implementation welcome.
>
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