import org.eclipse.edt.rui.widgets.*;
import dojo.widgets.*;

handler HelloWorld type RUIhandler{initialUI =[ui]}

    ui Box {columns=1, children=[nameField, helloLabel, goButton]};

    nameField DojoTextField {placeHolder = "What's your name?", text = "World"};
    helloLabel TextLabel {};
    goButton DojoButton {text = "Say Goodbye", onClick ::= onClick_goButton};

    function onClick_goButton(e Event in)
        helloLabel.text = "Goodbye, " + nameField.text + "!";
    end

end