Fine with me. If something thinks of a nice API.
Eelco
On 5/8/06, Martijn Dashorst <[EMAIL PROTECTED]> wrote:
This seems common enough, shouldn't we add this to core (of course, only
when it works :-))?
Martijn
On 5/8/06, Igor Vaynberg < [EMAIL PROTECTED]> wrote:
>
> try this:
>
> Image image = new Image("image", resource) {
> protected void onComponentTag(final ComponentTag tag) {
> super.onComponentTag(tag);
> String src=tag.getAttributes().get("src");
> src=src+"&rand="+Math.random();
> tag.set("src", src);
> };
>
> if it works you can encapsulate it into a NonCachingImage or something
>
>
> -Igor
>
>
>
>
> On 5/8/06, Potje rode kool < [EMAIL PROTECTED]> wrote:
> >
> > How are you adding those parameters the the image URL?
> > In html I have an image tag like this:
> >
> > <img wicket:id="image"/>
> >
> > and in code:
> >
> > Resource resource = ....
> > Image image = new Image("image", resource);
> >
> > I also tried:
> >
> > Image image = new Image("image", new Model("/images/sunshine.png"));
> >
> > But than it tries to find the images in the package (as package
resource).
> >
> > How can I simple create an Image object which loads the image relative
from the webcontext root, and how do I add a random parameter so that the
browser
> > will allways reload the image.
> >
> > Thanks,
> > Evert
> >
> >
> > 2006/5/7, Anatol Pomozov < [EMAIL PROTECTED]>:
> >
> > >
> > > I usually do such thing
> > >
> > > /<path_to_img>.png?<random_number>
> > >
> > > so example image path is /images/logo.png?32342342342 or
/images/logo.png?rand=32342342342
> > >
> > >
> > >
> > > On 5/7/06, Bruno Borges <[EMAIL PROTECTED]> wrote:
> > > >
> > > > Make random URLs for the image. You can do that simply adding dummy
parameters, like /image.ext?foo=bar1, bar2, bar3... etc. The browser cache
resources per URL.
> > > >
> > > > I think this will work.
> > > >
> > > > See ya
> > > >
> > > >
> > > >
> > > > On 5/7/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > well, if the browser ignores that then you should change the url.
> > > > >
> > > > >
> > > > > -Igor
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > On 5/7/06, Potje rode kool < [EMAIL PROTECTED]> wrote:
> > > > > >
> > > > > > Yes, its a caching problem, when I disable caching in Firefox
(doing this with the web developer toolbar) it works fine.
> > > > > > How do I add those headers for the images I want to disable
caching for. I tried to set some headers on my WebResource subclass
> > > > > > I use like this:
> > > > > >
> > > > > > response.setDateHeader("Expires",
System.currentTimeMillis());
> > > > > > response.setHeader("Cache-Control", "no-store, no-cache,
must-revalidate, post-check=0, pre-check=0, max-age=0");
> > > > > >
> > > > > > But that doesn't seems to work.
> > > > > >
> > > > > > Thanks in advance,
> > > > > > Evert
> > > > > >
> > > > > >
> > > > > >
> > > > > > 2006/5/7, Igor Vaynberg < [EMAIL PROTECTED]>:
> > > > > >
> > > > > > >
> > > > > > > are you updating img's src attribute in the ajax call? or is
the image streamed from somewhere and reflects a property you changed with
ajax?
> > > > > > >
> > > > > > > the first should work
> > > > > > >
> > > > > > > the lettter might not unless the url changes - because the
browser would have the cached version and no reason to reload it. so you
either have to update the url and add a &rand=randomnumber parameter to
force the browser to reload the image or add no-cache no-store headers when
you are streaming the image.
> > > > > > >
> > > > > > >
> > > > > > > -Igor
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On 5/6/06, Potje rode kool <[EMAIL PROTECTED]> wrote:
> > > > > > > >
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > I am trying to change an image after an AjaxLink is clicked
but I can't get it working.
> > > > > > > > The images are on a Panel, when I click on the AjaxLink I
create a new Panel and replace the old one (by calling
getPage().replace(Component) ).
> > > > > > > > I also have put an Label on the Panel and the Label gets
updated when I click on the AjaxLink, but not the images.
> > > > > > > >
> > > > > > > > Do I have to do something extra to let images update or does
Wicket doesn't support updating images by Ajax?
> > > > > > > >
> > > > > > > > Thanks in advance.
> > > > > > > > Evert
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Bruno Borges
> > > > [EMAIL PROTECTED]
> > > > Sun Certified Java Programmer for 1.4
> > > > Sun Certified Web Component Developer for 1.4
> > >
> > >
> > >
> > >
> > > --
> > > anatol ( http://pomozov.info)
> >
> >
> >
>
>
--
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