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Random HeaderPhoto on every page
9 October 2009 at 6:42am
Hi community,
Well i've been struggling with Silverstripe for some time now and its all lovely etc.
I wanted a nice function that retreived a random image from a specific ImageFolder.I've search the forums and found something like this:
In my Page.php (mySite folder) i placed this:function RandomImage()
{
return DataObject::get_one("Image","ParentID = 120",false, "RAND()");
}This, as far as i know, retrieves an image from the folder with the id '120' (which is the correct folder)
Then the css part, i've tried two things:
nr1 (in the Layout.css file):
#header-photo {
clear: both;
height: 200px;
width: 790px;
margin: 0 auto;
/*background: #FFF url(../images/header4.jpg) no-repeat center center;*/
background: #FFF url($RandomImage()) no-repeat center center;
}
The one background that is the 'normal' static one which worksResult:
This results in a blank space where the image should be.nr2 (In the Page.ss): (inline css)
<div id="header-photo" style="background-image: url($RandomImage())"></div>
Result:
This results in the same blank space at nr 1, BUT with the following text in it (without || and i did underline it) | ())"> |Somewhere i am making a mistake (else it would work).
Like i've said i have read the forums but i just cant figure this one out.Thanks in advance for the help
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Re: Random HeaderPhoto on every page
9 October 2009 at 6:44pm
Hi
The SilverStripe template engine doesn't parse CSS files, so you have to put the $RandomImage in the .ss file. If you're using the background only on one element, using inline styles is just fine. For other cases, you can also put a <style> block with additional (dynamic) styles into the html head.
You're on the right track, but your syntax is wrong. To output the image, use:
$RandomImage without the brackets. However, this will output the whole <img> tag which is not what you want for your css. So here's what you should do:<div id="header-photo" style="background-image: url('$RandomImage.Link')"></div>
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Re: Random HeaderPhoto on every page
9 October 2009 at 11:30pm Last edited: 10 October 2009 6:14am
I'll give it a try when i get home (at work now).
I'll post the result hereUpdate:
Works like a charm, thanks -
Re: Random HeaderPhoto on every page
16 January 2010 at 8:39am
I want a random header on my pages, but don't know how to use this code. Anyone?
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Re: Random HeaderPhoto on every page
5 March 2010 at 11:39pm
I've placed the code in mysite/code.page.php & Themes/themename/templates/page.ss
The only thing I don't know is where to place the folder with the image in it.
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