Play framework: javascripts in scala code?

Question

If I have a html document with this:

 <p onclick="hiho('@name')"> clicky </p>


<script>
    function hiho(namevar){
        var1 = @Names.find.where().eq("name", namevar).findUnique();
        if( var1 != null){
            alert("HIHO");
        }
    }
</script>

How do I use the JavaScript variable?

Play won't compile properly because inside

var1 = @Names.find.where().eq("name", namevar).findUnique();

it cannot find the value of namevar.

You can't do that. The Scala code is executed on the server, the Javascript core runs on the client. — Carsten
– Carsten, Commented May 31, 2013 at 10:47

BFil · Accepted Answer · 2013-05-31 15:12:22Z

2

One, pretty straightforward, solution could be:

<p onclick="hiho('@name')"> clicky </p>

<script>
    var map = {
        '@name': '@Names.find.where().eq("name", name).findUnique()'
    };

    function hiho(namevar){
        var value = map[namevar];
        if( value != null){
            alert("HIHO: " + value);
        }
    }
</script>

Supposing that the name variables are strings.

edited May 31, 2013 at 15:12

answered May 31, 2013 at 15:07

BFil

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Comments

Tim · Accepted Answer · 2013-05-31 14:09:19Z

2

You'll probably want to make an AJAX request back to the server. This page talks about that some toward the bottom, and about the routing code you'll need.

answered May 31, 2013 at 14:09

Tim

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