media picker css background url - Templates, (partial) views and macros

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Hubert Thalmann 57 posts 263 karma points

Sep 13, 2016 @ 09:58
0

Media Picker, CSS, Background URL
Hello our.Umbraco

I have a Question.

Is there a way to make a new Documenttype with 3-4 Mediapickers where i can choose images from the Media Library and then put these Images into my CSS at for example:
```
.myclass{
background-image: url(HERE_COMES_THE_PATH);
}
```
is there a way to do that?
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Sven Geusens 169 posts 881 karma points c-trib

Sep 13, 2016 @ 15:02

I don't think you can, since a css file is not a razor file. So what is left is either inline or defining the css in the page and reusing it.

If you are going to use one of the pictures on any page I would just define it on your master. Somewhere in your head where you load your other css files you can add a razorscript like the following

@{
    var settingsNode = Umbraco.TypedContentAtRoot().FirstOrDefault(i => i.DocumentTypeAlias == "settings"); //Presuming you have a node with documentType "settings" at the root level
    if (settingsNode != null)
    {
        <style>

            @if (settingsNode.HasValue("backgroundpicture1")) //Check if the image has been set
            {
                var bgp1 = settingsNode.GetPropertyValue < IPublishedContent > ("backbackgroundpicture1");
                // Only works if you have our.umbraco,corevalueconverters installed
                // else use this: var bgp1 = Umbraco.TypedContent(settingsNode.GetPropertyValue("backbackgroundpicture1"));
                @Html.Raw(".myclass{background-image: url(" + bgp1.Url + ");}");
            }

        </style>
    }
}

If you are only going to use this on some pages, you can add a @RenderSection("Css", false) in this scripts place and add the script to the template page with starting with @section Css{ instead of @{

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Dennis Aaen 4500 posts 18255 karma points admin hq c-trib

Sep 13, 2016 @ 15:11

1

Hi Hubert,

Try to see Jan´s comment in this thread https://our.umbraco.org/forum/umbraco-7/using-umbraco-7/63430-Change-background-image-in-the-CSS

Or try to see my comment in this thread: https://our.umbraco.org/forum/umbraco-7/using-umbraco-7/75454-background-images-om-template#comment-241416

Hope this helps,

/Dennis

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Tim Miller 32 posts 252 karma points

Sep 13, 2016 @ 16:30
100
Just as an added safety check you should check to see if the media item is null. If you select an image using the media picker and then the image is later deleted from the media section, your page will throw an error. Here's a snippet showing how I do it:
```
if(CurrentPage.HasValue("image"))
{
    IPublishedContent image = Umbraco.TypedMedia(CurrentPage.image);

    if(image != null)
    {
        <style>
            .myclass { background-image: url(@image.Url); }
        </style>
    }
}
```
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Media Picker, CSS, Background URL