![Scala for the Web
Will it blend?
def ol(items: Seq[String]) =
<ol> { items.map { s =>
<li> { s } </li>
} } </ol>
Scala is hybrid.
λ+☃=?
Lift
Ajax.scala
// create an ajax select box
def doSelect(msg: NodeSeq) =
ajaxSelect((1 to 50).toList.map { i =>
(i.toString, i.toString)
}, Full(1.toString), { v =>
DisplayMessage(msgName,
bind("sel", msg, "number" -> Text(v)),
5 seconds,
1 second)
})
// bind the view to the functionality
bind("select" -> doSelect _,
...
ajax.html](https://image.slidesharecdn.com/scalafortheweb-111021122442-phpapp01/85/Scala-for-the-web-Lightning-Talk-1-320.jpg)
![<ajax:select>
You selected <sel:number></sel:number> From the select box.
</ajax:select>
Scalate
• Mustache
• Scaml
• Jade
• SSP
XML literals.
Seriously.
val myDiv = <div>Yo</div>
Scalatra
class MyScalatraFilter extends ScalatraFilter {
get("/") {
<html>
<body>
<h1>Hello, world!</h1>
</body>
</html>
}
}
def ol(items: Seq[String]) =
<ol> { items.map { s =>
<li> { s } </li>
} } </ol>
Unfiltered
import unfiltered.request._
import unfiltered.response._
val echo = unfiltered.filter.Planify {](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Scala for the web Lightning Talk
- 1. Scala for the Web Will it blend? def ol(items: Seq[String]) = <ol> { items.map { s => <li> { s } </li> } } </ol> Scala is hybrid. λ+☃=? Lift Ajax.scala // create an ajax select box def doSelect(msg: NodeSeq) = ajaxSelect((1 to 50).toList.map { i => (i.toString, i.toString) }, Full(1.toString), { v => DisplayMessage(msgName, bind("sel", msg, "number" -> Text(v)), 5 seconds, 1 second) }) // bind the view to the functionality bind("select" -> doSelect _, ... ajax.html
- 2. <ajax:select> You selected <sel:number></sel:number> From the select box. </ajax:select> Scalate • Mustache • Scaml • Jade • SSP XML literals. Seriously. val myDiv = <div>Yo</div> Scalatra class MyScalatraFilter extends ScalatraFilter { get("/") { <html> <body> <h1>Hello, world!</h1> </body> </html> } } def ol(items: Seq[String]) = <ol> { items.map { s => <li> { s } </li> } } </ol> Unfiltered import unfiltered.request._ import unfiltered.response._ val echo = unfiltered.filter.Planify {
- 3. case Path(Seg(p :: Nil)) => ResponseString(p) } unfiltered.jetty.Http.anylocal.filter(echo).run() object Stream extends unfiltered.netty.async.Plan with ServerErrorResponse { val ChunkedMp3 = unfiltered.response.Connection(HttpHeaders.Values.CLOSE) ~> TransferEncoding(HttpHeaders.Values.CHUNKED) ~> ContentType("audio/mp3") val listeners = new DefaultChannelGroup def intent = { case req => val initial = req.underlying.defaultResponse(ChunkedMp3) val ch = req.underlying.event.getChannel ch.write(initial).addListener { () => listeners.add(ch) } } ... Scala for the Web Yes, it blends! http://meetup.com/ny-scala