+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+ <head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+ <title>Demo: Multidimensional Map With Dynamic Binding</title>
+ <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+ </head>
+ <body>
+ <nav class="navbar navbar-dark bg-primary navbar-expand navbar-dark flex-column">
+ <h2 class="navbar-brand">Demo: Multidimensional Map With Dynamic Binding</h2>
+ </nav>
+ <main class="container mt-5">
+ <form action="#" th:action="@{/}" th:object="${form}" method="get">
+ <div class="card" th:each="card : *{cards.rowSet()}">
+ <div class="card-header"><h1 th:text="|Card #${card.key}|">Card #X</h1></div>
+ <div class="card-body">
+ <div class="card-text">
+ <div class="form-group" th:each="row : ${card.value.rowSet()}">
+ <input type="checkbox" id="x" class="form-control" th:field="*{cards[__${card.key}__][__${row.key}__]}" />
+ <label for="x" th:for="${#ids.prev('cards[__${card.key}__][__${row.key}__]')}" th:text="${row.value}">ROW_NAME</label>
+ <button type="submit" name="removeRow" class="btn btn-primary" th:value="|${card.key}:${row.key}|">Remove</button>
+ </div>
+ <button type="submit" name="add" value="row" class="btn btn-primary">Add Row</button>
+ </div>
+ <div class="card-footer">
+ <button type="submit" name="remove" value="card" class="btn btn-primary">Remove Card</button>
+ </div>
+ </div>
+ </div>
+ <button type="submit" name="add" value="card" class="btn btn-primary">Add Card</button>
+ </form>
+ </main>
+ </body>
+</html>