play tettei 3.2

01Application.java

package controllers;

import models.*;

import java.util.*;

import play.*;
import play.data.*;
import play.mvc.*;
import views.html.*;

public class Application extends Controller {
    // フォーム管理用クラス
    public static class SampleForm {
        public String input;
        public String pass;
        public boolean check;
        public String radio;
        public String sel;
        public String area;
        public Date date;
    }

    // ルートにアクセスした際のAction
    public static Result index() {
        SampleForm sf = new SampleForm();
        sf.radio = "windows";
        sf.check = true;
        sf.input = "default value";
        sf.sel = "uk";
        Form<SampleForm> form = new Form(SampleForm.class).fill(sf);
        return ok(index.render("please set form.", form));
    }

    // POST送信された際のAction
    public static Result send() {
        Form<SampleForm> f = new Form(SampleForm.class).bindFromRequest();
        if (!f.hasErrors()) {
            SampleForm sf = f.get();
            String res = "value: ";
            res += "input=" + sf.input
                    + ", pass=" + sf.pass
                    + ", check=" + sf.check + ", radio=" + sf.radio + ", sel=" + sf.sel
                    + ", area=" + sf.area
                    + ", date=" + sf.date;
            return ok(index.render(res, f));
        } else {
            return badRequest(index.render("ERROR", f));
        }
    }
}

01index.scala.html

@(msg: String, form1: Form[Application.SampleForm])
    @main("Sample Page") {
    <h1>Hello!</h1> <p>@msg</p>
    @helper.form(action = routes.Application.send){
        @(helper.inputText (
            field = form1("input"), args = 'size->30
        )) @(helper.inputPassword (
            field = form1("pass"),
            args = 'size->30
        ))
        @(helper.checkbox (
            field = form1("check")
        ))
        @(helper.inputRadioGroup (
            field = form1("radio"),
            options = Seq("windows"->"MS-Windows",
                "mac"->"Mac OS X","linux"->"Linux")
        ))
        @(helper.select (
            field = form1("sel"), options = Seq("jp"->"日本",
                "us"->"米国","uk"->"英国"), args = 'size -> 3
        ))
        @(helper.textarea (
            field = form1("area"),
            args = 'cols -> 30, 'rows -> 3 ))
        @(helper.inputDate ( field = form1("date")
        ))
        <input type="submit">
    }
}

01routes

GET        /                    controllers.Application.index
POST        /                    controllers.Application.send

FieldConstructorの設定項目の追加 index.html.

@(msg: String, form1: Form[Application.SampleForm])
    @main("Sample Page") {
        <h1>Hello!</h1> <p>@msg</p>
        @helper.form(action = routes.Application.send) {
            @(helper.inputText(
                field = form1("input"),
                args = '_label -> "Your Name:", '_help -> "名前を書いてください。", 'size -> 30
            ))
            @(helper.inputPassword(
                field = form1("pass"),
                args = '_label -> "Password:", '_help -> "パスワードを書いてください。", 'size -> 30
            ))
            <input type="submit">
        }
    }