Question

I have a Controller defined like this:

package controllers

import play.api._
import play.api.mvc._
import models.Task
import play.api.data.Form

object Application extends Controller {

  def index = Action {
    // Compiler error on Form
    Ok(views.html.index(List[Task](), Form("label" -> "This is a label")))  
  }

  def tasks = TODO

  def newTask = TODO

  def deleteTask(id: Long) = TODO

}

Then I have defined a View:

@(tasks: List[Task], taskForm: Form[String])

@import helper._

@main("Todo list") {

  <h1>@tasks.size task(s)</h1>

  <ul>
    @tasks.map { task =>
      <li>
        @task.label

        @form(routes.Application.deleteTask(task.id)) {
          <input type="submit" value="Delete">
        }
      </li>
    }
  </ul> 

}

This gives the following compiler error:

overloaded method value apply with alternatives: [T](mapping:
(String, play.api.data.Mapping[T]))play.api.data.Form[T]
[T](mapping: play.api.data.Mapping[T])play.api.data.Form[T] cannot be
applied to ((java.lang.String,
java.lang.String)) Application.scala /todolist/app/controllers line
11 Scala Problem

Can you help me decipher the compilers output.

Answer 1

This is your problem: Form("label" -> "This is a label"). You are trying to call method Form.apply(p: (String, String)) and there is no such method in Form object.