huh...it somehow works with
<?php echo $html->image('link_flyer_path_temp' . "?" .
rand());?>
but only if there is already a picture in that specific path that gets
overwritten....its so freakin weird.....in case there is already a pic
and i upload a new one, it actually renders the new one...wtf?
maybe this whole think is related to mars or sth....any idea?
On 24 Aug., 08:32, Tomfox Wiranata <tomfox.wiran...@gmail.com> wrote:
> wow thats a lot of useful information :)
>
> i will give everything a try .... thank you sam.. in case i fail, i
> might come back here :)
>
> On 23 Aug., 19:15, Sam <s...@masterscommission360.com> wrote:
>
> > Add an alert statement into renderflyerpreview() to see if it is
> > executing when you upload a new picture. If it is executing, you may
> > be right about the caching issue. If so, add a random query string
> > onto the edge of the source of your image in the render_flyer element,
> > something like <?php echo $html->image('link_flyer_path_temp' . "?" .
> > rand());?>... this should defeat browser caching.
>
> > Also- I just noticed that you are calling refreshFlyer using setTimout
> > of 500ms... that may be your problem- you are only allowing .5 seconds
> > for the image to upload, so you may be calling the refreshFlyer
> > function before the image is actually uploaded. Look into using
> > callback functions with your javascript- they basically allow you to
> > call a function once something else has been completed.
>
> > Also- to speed the whole process up, why make two calls to the cake
> > app- one to upload the image and one to get the html of the image- why
> > not just have your processFlyer action render out the html you want
> > displayed? That should both speed up your app(less time making
> > requests to the server) and eliminate the need for setTimeout.
> > Additionaly, to make things even faster, just have the function return
> > the location of the new image and have jquery update the src of the
> > image already on the page.
>
> > On Aug 23, 8:01 am, Tomfox Wiranata <tomfox.wiran...@gmail.com> wrote:
>
> > > yes, it shows the picture...it works fine the first time....but if i
> > > repeat the process the new pic wont be rendered...
>
> > > i am using jquery.....thx for the tip
>
> > > On 23 Aug., 04:13, Sam <s...@masterscommission360.com> wrote:
>
> > > > If you actually go the renderflyerpreview action does it show the
> > > > picture? Are you sure that your refreshflyer() function is actually
> > > > running when you reload an image?
>
> > > > Also, on a side not, are you using jQuery? If so, there is a more
> > > > elegant way to do some of this coding... For example, instead of using
> > > > onClick in:
> > > > "<button onClick="functionCaller(this.form)" type="button">Hochladen</
> > > > button>"
>
> > > > You could add an id to the button and use a jQuery selector to attach
> > > > an event handler- that way all your javascript is in one place.
> > > > e.g.(if the id was uploadSubmitButton)
>
> > > > $(document).ready(function(){
>
> > > > $('#uploadSubmitButton').click(function(){
> > > > //functionCaller code
>
> > > > });
> > > > });
>
> > > > On Aug 22, 12:15 pm, Tomfox Wiranata <tomfox.wiran...@gmail.com>
> > > > wrote:
>
> > > > > hi,
>
> > > > > i am having a weird problem. on a site, a user can upload a picture.
> > > > > when its uploaded the picture gets loaded in a div area as a preview.
> > > > > now that works fine. but if i do this whole thing again, maybe cause i
> > > > > want a different picture, the new picture is not loaded, although the
> > > > > uploading process worked. i checked on my HDD.
>
> > > > > this is what i do:
>
> > > > > i have a form for the file uploading in my view:
> > > > > <?php
> > > > > echo $form->create('Link',
> > > > > array('name'=>'uploadProfileImageForm','id'=>'uploadProfileImageForm','type
> > > > > '=>'file'));
> > > > > echo $form->file('Link');
> > > > > ?>
> > > > > <div class="submit">
> > > > > <button onClick="functionCaller(this.form)" type="button">Hochladen</
> > > > > button></div>
> > > > > <?php
> > > > > echo $form->end();
> > > > > ?>
>
> > > > > now a JS function is called to acutally upload the pic, to show the
> > > > > ajax loading icon, and to call the function, that acutally renders the
> > > > > uploaded image in a specific div for a preview.
>
> > > > > function functionCaller(form)
> > > > > {
> > > > > ajaxUpload(form,'processFlyer','flyer_css','<img
> > > > > src=\'../img/icons/
> > > > > loader.gif\' width=\'16\' height=\'16\' border=\'0\' />','Fehler beim
> > > > > Upload');
> > > > > setTimeout("refreshflyer()", 500);
> > > > > //refreshdiv();
>
> > > > > }
>
> > > > > calling a controller function to render the pic from this JS function
>
> > > > > function refreshflyer(){
>
> > > > > $('#flyer_preview').load('renderflyerpreview');
>
> > > > > }
>
> > > > > and that is the functin in my controller that gets the path to the
> > > > > image and renders it in a div in my view
>
> > > > > function renderflyerpreview()
> > > > > {
> > > > > $this->set('link_flyer_path_temp',
> > > > > ($this->Session->read('Link.flyer_path_temp')));
>
> > > > > $this->render('render_flyer','ajax');
> > > > > }
>
> > > > > as i said it works fine the first time you do upload an image...the
> > > > > second time...nope...the image gets uploaded, but not rendered!!??
> > > > > is this some sort of caching problem?
>
> > > > > BIG THX :)
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