@Grab('org.codehaus.groovyfx:groovyfx:0.4.0')
import static groovyx.javafx.GroovyFX.start

import javafx.beans.value.ChangeListener
import javafx.event.EventHandler
import static javafx.concurrent.Worker.State.*
import javafx.concurrent.Task


class ProcessTask extends Task<String> {
    def expression

    ProcessTask(expression) {
        this.expression = expression
    }

    @Override protected String call() throws Exception {
        Eval.me(this.expression)
    }
};

class FX {
    def process(expression, deferred) {
        def task = new ProcessTask(expression)

        task.messageProperty().addListener( { s, o, n ->
            println n.value
        } as ChangeListener)

        task.onSucceeded = { event ->
            deferred?.call('resolve', task.value) 
        } as EventHandler

        task.onFailed = { event ->
            deferred?.call('reject', task.exception.message) 
        } as EventHandler        
     
        new Thread(task).start()
    }
}

start {
    stage(title: 'AngularFX', visible: true) {
        scene(width: 800, height: 600) {            
            borderPane  {
                vbox {
                    webView = webView()
                }                  
            } 
        }
    }

    webView.engine.loadWorker.stateProperty().addListener({ t, o, n ->
        if (n == SUCCEEDED) {
            webView.engine.executeScript("window").setMember("FX", new FX())
        }
    } as ChangeListener)

    webView.engine.onError = { event ->
        println 'error: ' + event.message
    } as EventHandler

    // Capture alerts
    webView.engine.onAlert = { event ->
        println 'alert: ' + event.data.toString()
    } as EventHandler

    webView.engine.load("file:///${System.getProperty('user.dir')}/angularfx.html")
}