On Thursday, March 3, 2016 at 6:18:00 AM UTC-8, Yebach wrote:
>
> Hello
>
> I have call to controller function on button click that serves back a
> download file.
>
> Since this can take a while (up to 10 seconds), i would like to create
> some sort of progress bar or smth for user so he/she knows smth is going on
> in the background and does not click 10 times.
>
> Any solutions/suggestions?
>
>
If you're using the LOAD helper, the content arg specifies a message to
display.
{{loadmsg = CAT("loading ...", BR(), SPAN(_class="fa fa-spinner fa-spin"))}}
{{=LOAD(c='makestuff', f='stuff2.load', target='my_stuff', content=loadmsg,
ajax=True)}}
fa-spinner is an object that the browser animates via CSS, but you can put
text, or other stuff there (I have also used a font that provides
animation)). Someone in the group pointed me at the resource, which is a
website that generates a CSS clip based on your choice of colors, etc.
Someone in the group pointed me at it, so the URL should be in the group
archives.
If you're using ajax directly, I think you'd want your onclick function to
display your "loading" message before calling ajax().
If you are providing a button or link that is just directing the user to
another page, you may want an onclick handler to display a flash message or
unhide a "please wait" message.
This is a javascript issue, mostly (AIUI).
/dps
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