Rails spinoffs - Jun 2007 - Question: Forcing a Redraw When Using the Back Button

Situation:

I have added a simple and slick effect when a link is clicked that
fades out the page, then loads the link.  The page then fades in.
This effect was inspired by what is done at www.gucci.com.


Problem:

When the back button is used, the browser serves the page in it''s
state when it was unloaded, which has the site #shell hidden.
Basically, the site doesn''t show up.

The javascript that fades the page in has been run from both an init()
function before the </body>,  and also on window.onload, with no
luck.  The events are not fired.

What event can I observe that will fire after a page is presented from
going ''back'', or is there a special way to force a redraw?


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The only way I''ve solved this sort of problem is to store information
in
a session variable on the server which can be used to control the state 
of the web page.  You can then, for example, run javascript at page load 
without running it within the window.onload function.  That is, just put 
static javascript to be executed at the bottom of the page.

 - Dash -

deletem3.com wrote:
> Situation:
>
> I have added a simple and slick effect when a link is clicked that
> fades out the page, then loads the link.  The page then fades in.
> This effect was inspired by what is done at www.gucci.com.
>
>
> Problem:
>
> When the back button is used, the browser serves the page in it''s
> state when it was unloaded, which has the site #shell hidden.
> Basically, the site doesn''t show up.
>
> The javascript that fades the page in has been run from both an init()
> function before the </body>,  and also on window.onload, with no
> luck.  The events are not fired.
>
> What event can I observe that will fire after a page is presented from
> going ''back'', or is there a special way to force a
redraw?
>
>
> >
>
>   
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I had the same issue with firefox. It had to do with firefox''s DOM
caching function. The way to force firefox to not cache the DOM is to
attach an onunload() event to the body. The onunload() can be an empty
function, it just has to be there to force the DOM out of the cache.

On Jun 18, 3:52 pm, "deletem3.com"
<mat...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Situation:
>
> I have added a simple and slick effect when a link is clicked that
> fades out the page, then loads the link.  The page then fades in.
> This effect was inspired by what is done atwww.gucci.com.
>
> Problem:
>
> When the back button is used, the browser serves the page in it''s
> state when it was unloaded, which has the site #shell hidden.
> Basically, the site doesn''t show up.
>
> The javascript that fades the page in has been run from both an init()
> function before the </body>,  and also on window.onload, with no
> luck.  The events are not fired.
>
> What event can I observe that will fire after a page is presented from
> going ''back'', or is there a special way to force a
redraw?

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Thanks K. Heutmaker,

That was exactly what I was looking for!

- Matt

On Jun 18, 7:27 pm, "K. Heutmaker"
<kenh...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I had the same issue with firefox. It had to do with firefox''s DOM
> caching function. The way to force firefox to not cache the DOM is to
> attach an onunload() event to the body. The onunload() can be an empty
> function, it just has to be there to force the DOM out of the cache.
>
> On Jun 18, 3:52 pm, "deletem3.com"
<mat...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > Situation:
>
> > I have added a simple and slick effect when a link is clicked that
> > fades out the page, then loads the link.  The page then fades in.
> > This effect was inspired by what is done atwww.gucci.com.
>
> > Problem:
>
> > When the back button is used, the browser serves the page in
it''s
> > state when it was unloaded, which has the site #shell hidden.
> > Basically, the site doesn''t show up.
>
> > The javascript that fades the page in has been run from both an init()
> > function before the </body>,  and also on window.onload, with no
> > luck.  The events are not fired.
>
> > What event can I observe that will fire after a page is presented from
> > going ''back'', or is there a special way to force a
redraw?

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