bump to v0.3.0

fix #5

.jshintrc

@@ -0,0 +1,3 @@
+{
+  "esversion": 9
+}

README.md

@@ -31,14 +31,6 @@ ideas:
 Note: the code is written in typescript. This does not mean that the main web
 client will ever be converted to typescript (even though I would really like it).
 
-## Web client demo
-
-To test and play with the component class, there is a demo application located
-in the _demo/_ folder. It is a rethink of what the web client could look like
-if it is ever rebuilt from scratch. It is currently an experiment. But
-obviously, we hope someday to be able to use this work and actually rewrite
-completely the odoo web client.
-
 ## Main scripts
 
 To install every dependency needed to play with this code:
@@ -60,18 +52,17 @@ npm run test
 npm run test:watch
 ```
 
-To play with the demo application:
-
-```
-npm run demo:build # make a build in dist/app/
-npm run demo:dev   # make a build in dist/app/, and make a live server to access it
-```
-
-The _demo:dev_ task will build the app (without minification), then start a live-server with hot-reloading, and watch the file system to make sure
-that assets are properly rebuilt if necessary, and then reloaded.
+Note that the test scripts also run the example tests suites.
 
 ## Documentation
 
 - [Quick Start](doc/quick_start.md)
 - [Component](doc/component.md)
 - [QWeb](doc/qweb.md)
+
+# Examples
+
+There are two examples of how to work with this web framework:
+
+- [Demo Application](examples/readme.md#demo)
+- [Web Client](examples/readme.md#web-client-example)

examples/benchmarks/app.css

@@ -0,0 +1,45 @@
+.main {
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+
+  display: grid;
+  grid-template-columns: 200px 1fr;
+}
+
+.left-thing {
+  background-color: gray;
+  padding: 20px;
+}
+
+.left-thing button {
+  width: 100%;
+}
+
+.left-thing .counter span {
+  color: white;
+}
+
+.left-thing .counter button {
+  width: 40px;
+}
+
+.right-thing {
+  padding: 20px;
+  overflow: auto;
+}
+
+/* Message widget */
+.message .author {
+  font-weight: bold;
+}
+
+.message {
+  width: 400px;
+  background-color: lightblue;
+  margin: 10px 5px;
+  border-radius: 5px;
+  padding: 5px;
+}

examples/benchmarks/app.js

@@ -0,0 +1,55 @@
+import { Message } from "./message.js";
+import { messages } from "./data.js";
+
+const template = `
+    <div class="main">
+        <div class="left-thing">
+            <div class="counter">
+                <button t-on-click="increment(-1)">-</button>
+                <span style="font-weight:bold">Value: <t t-esc="state.messages.length"/></span>
+                <button t-on-click="increment(1)">+</button>
+            </div>
+            <button t-on-click="setMessageCount(10)">10 messages</button>
+            <button t-on-click="setMessageCount(20)">20 messages</button>
+            <button t-on-click="setMessageCount(500)">500 messages</button>
+            <button t-on-click="setMessageCount(1000)">1000 messages</button>
+            <button t-on-click="setMessageCount(5000)">5000 messages</button>
+            <button t-on-click="setMessageCount(15000)">15000 messages</button>
+        </div>
+        <div class="right-thing">
+            <div class="content">
+                <t t-foreach="state.messages" t-as="message">
+                    <t t-widget="Message" t-att-key="message.id" t-props="message" t-on-remove_message="removeMessage"/>
+                </t>
+            </div>
+        </div>
+    </div>`;
+
+export class App extends odoo.core.Component {
+  constructor(parent, props) {
+    super(parent, props);
+    this.inlineTemplate = template;
+    this.widgets = { Message };
+    this.state = {
+      messages: messages.slice(0, 10)
+    };
+  }
+
+  setMessageCount(n) {
+    this.updateState({
+      messages: messages.slice(0, n)
+    });
+  }
+
+  removeMessage(data) {
+    const index = messages.findIndex(m => m.id === data.id);
+    const n = this.state.messages.length;
+    messages.splice(index, 1);
+    this.updateState({ messages: messages.slice(0, n - 1) });
+  }
+
+  increment(delta) {
+    const n = this.state.messages.length + delta;
+    this.setMessageCount(n);
+  }
+}

examples/benchmarks/counter.js

@@ -0,0 +1,18 @@
+export class Counter extends odoo.core.Component {
+  inlineTemplate = `
+    <div>
+      <button t-on-click="increment(-1)">-</button>
+      <span style="font-weight:bold">Value: <t t-esc="state.counter"/></span>
+      <button t-on-click="increment(1)">+</button>
+    </div>`;
+  constructor(parent, props) {
+    super(parent, props);
+    this.state = {
+      counter: props.initialState || 0
+    };
+  }
+
+  increment(delta) {
+    this.updateState({ counter: this.state.counter + delta });
+  }
+}

examples/benchmarks/data.js

@@ -0,0 +1,22 @@
+export const messages = [];
+
+const authors = ["Aaron", "David", "Vincent"];
+const content = [
+  "Lorem ipsum dolor sit amet",
+  "Sed ut perspiciatis unde omnis iste natus error sit voluptatem",
+  "Excepteur sint occaecat cupidatat non proident"
+];
+
+function chooseRandomly(array) {
+  const index = Math.floor(Math.random() * array.length);
+  return array[index];
+}
+
+for (let i = 1; i < 16000; i++) {
+  messages.push({
+    id: i,
+    author: chooseRandomly(authors),
+    msg: `${i}: ${chooseRandomly(content)}`,
+    likes: 0
+  });
+}

examples/benchmarks/index.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Odoo WebCore Benchmarks App</title>
+    <link rel="icon" href="data:,">
+
+    <!-- Application JS/CSS -->
+    <script src="/core.js"></script>
+    <link rel="stylesheet" href="/app.css">
+    <script type="module" src="/main.js"></script>
+
+  </head>
+  <body>
+  </body>
+</html>

examples/benchmarks/main.js

@@ -0,0 +1,13 @@
+import { App } from "./app.js";
+
+function createApp(el) {
+  const env = {
+    qweb: new odoo.core.QWeb()
+  };
+  const app = new App(env, { initialState: 13 });
+  app.mount(el);
+}
+
+document.addEventListener("DOMContentLoaded", function() {
+  createApp(document.body);
+});

examples/benchmarks/message.js

@@ -0,0 +1,22 @@
+import { Counter } from "./counter.js";
+
+export class Message extends odoo.core.Component {
+  inlineTemplate = `
+    <div class="message">
+        <span class="author"><t t-esc="props.author"/></span>
+        <span class="msg"><t t-esc="props.msg"/></span>
+        <button class="remove" t-on-click="removeMessage">Remove</button>
+        <t t-widget="Counter" t-props="{initialState: props.id}"/>
+    </div>`;
+
+  constructor(parent, props) {
+    super(parent, props);
+    this.widgets = { Counter };
+  }
+
+  removeMessage() {
+    this.trigger("remove_message", {
+      id: this.props.id
+    });
+  }
+}

examples/readme.md

@@ -0,0 +1,24 @@
+# Examples
+
+To play with the examples:
+
+```
+npm run example:build # make a build in dist/app/
+npm run example:dev   # make a build in dist/app/, and make a live server to access it
+```
+
+The _example_:dev\_ task will build the app (without minification), then start a live-server with hot-reloading, and watch the file system to make sure
+that assets are properly rebuilt if necessary, and then reloaded.
+
+## Web Client Example
+
+To test and play with the component class, there is a demo application located
+in the _examples/web/_ folder. It is a rethink of what the web client could look like
+if it is ever rebuilt from scratch. It is currently an experiment. But
+obviously, we hope someday to be able to use this work and actually rewrite
+completely the odoo web client.
+
+## Demo
+
+This example is just a playground to experiment/showcase some features of
+the framework.

examples/todoapp/app.css

@@ -0,0 +1,376 @@
+html,
+body {
+  margin: 0;
+  padding: 0;
+}
+
+button {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: none;
+  font-size: 100%;
+  vertical-align: baseline;
+  font-family: inherit;
+  font-weight: inherit;
+  color: inherit;
+  -webkit-appearance: none;
+  appearance: none;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+body {
+  font: 14px "Helvetica Neue", Helvetica, Arial, sans-serif;
+  line-height: 1.4em;
+  background: #f5f5f5;
+  color: #4d4d4d;
+  min-width: 230px;
+  max-width: 550px;
+  margin: 0 auto;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  font-weight: 300;
+}
+
+:focus {
+  outline: 0;
+}
+
+.hidden {
+  display: none;
+}
+
+.todoapp {
+  background: #fff;
+  margin: 130px 0 40px 0;
+  position: relative;
+  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 25px 50px 0 rgba(0, 0, 0, 0.1);
+}
+
+.todoapp input::-webkit-input-placeholder {
+  font-style: italic;
+  font-weight: 300;
+  color: #e6e6e6;
+}
+
+.todoapp input::-moz-placeholder {
+  font-style: italic;
+  font-weight: 300;
+  color: #e6e6e6;
+}
+
+.todoapp input::input-placeholder {
+  font-style: italic;
+  font-weight: 300;
+  color: #e6e6e6;
+}
+
+.todoapp h1 {
+  position: absolute;
+  top: -155px;
+  width: 100%;
+  font-size: 100px;
+  font-weight: 100;
+  text-align: center;
+  color: rgba(175, 47, 47, 0.15);
+  -webkit-text-rendering: optimizeLegibility;
+  -moz-text-rendering: optimizeLegibility;
+  text-rendering: optimizeLegibility;
+}
+
+.new-todo,
+.edit {
+  position: relative;
+  margin: 0;
+  width: 100%;
+  font-size: 24px;
+  font-family: inherit;
+  font-weight: inherit;
+  line-height: 1.4em;
+  border: 0;
+  color: inherit;
+  padding: 6px;
+  border: 1px solid #999;
+  box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);
+  box-sizing: border-box;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.new-todo {
+  padding: 16px 16px 16px 60px;
+  border: none;
+  background: rgba(0, 0, 0, 0.003);
+  box-shadow: inset 0 -2px 1px rgba(0, 0, 0, 0.03);
+}
+
+.main {
+  position: relative;
+  z-index: 2;
+  border-top: 1px solid #e6e6e6;
+}
+
+.toggle-all {
+  width: 1px;
+  height: 1px;
+  border: none; /* Mobile Safari */
+  opacity: 0;
+  position: absolute;
+  right: 100%;
+  bottom: 100%;
+}
+
+.toggle-all + label {
+  width: 60px;
+  height: 34px;
+  font-size: 0;
+  position: absolute;
+  top: -52px;
+  left: -13px;
+  -webkit-transform: rotate(90deg);
+  transform: rotate(90deg);
+}
+
+.toggle-all + label:before {
+  content: "❯";
+  font-size: 22px;
+  color: #e6e6e6;
+  padding: 10px 27px 10px 27px;
+}
+
+.toggle-all:checked + label:before {
+  color: #737373;
+}
+
+.todo-list {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.todo-list li {
+  position: relative;
+  font-size: 24px;
+  border-bottom: 1px solid #ededed;
+}
+
+.todo-list li:last-child {
+  border-bottom: none;
+}
+
+.todo-list li.editing {
+  border-bottom: none;
+  padding: 0;
+}
+
+.todo-list li.editing .edit {
+  display: block;
+  width: calc(100% - 43px);
+  padding: 12px 16px;
+  margin: 0 0 0 43px;
+}
+
+.todo-list li.editing .view {
+  display: none;
+}
+
+.todo-list li .toggle {
+  text-align: center;
+  width: 40px;
+  /* auto, since non-WebKit browsers doesn't support input styling */
+  height: auto;
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  margin: auto 0;
+  border: none; /* Mobile Safari */
+  -webkit-appearance: none;
+  appearance: none;
+}
+
+.todo-list li .toggle {
+  opacity: 0;
+}
+
+.todo-list li .toggle + label {
+  /*
+		Firefox requires `#` to be escaped - https://bugzilla.mozilla.org/show_bug.cgi?id=922433
+		IE and Edge requires *everything* to be escaped to render, so we do that instead of just the `#` - https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7157459/
+	*/
+  background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23ededed%22%20stroke-width%3D%223%22/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: center left;
+}
+
+.todo-list li .toggle:checked + label {
+  background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23bddad5%22%20stroke-width%3D%223%22/%3E%3Cpath%20fill%3D%22%235dc2af%22%20d%3D%22M72%2025L42%2071%2027%2056l-4%204%2020%2020%2034-52z%22/%3E%3C/svg%3E");
+}
+
+.todo-list li label {
+  word-break: break-all;
+  padding: 15px 15px 15px 60px;
+  display: block;
+  line-height: 1.2;
+  transition: color 0.4s;
+}
+
+.todo-list li.completed label {
+  color: #d9d9d9;
+  text-decoration: line-through;
+}
+
+.todo-list li .destroy {
+  display: none;
+  position: absolute;
+  top: 0;
+  right: 10px;
+  bottom: 0;
+  width: 40px;
+  height: 40px;
+  margin: auto 0;
+  font-size: 30px;
+  color: #cc9a9a;
+  margin-bottom: 11px;
+  transition: color 0.2s ease-out;
+}
+
+.todo-list li .destroy:hover {
+  color: #af5b5e;
+}
+
+.todo-list li .destroy:after {
+  content: "×";
+}
+
+.todo-list li:hover .destroy {
+  display: block;
+}
+
+.todo-list li .edit {
+  display: none;
+}
+
+.todo-list li.editing:last-child {
+  margin-bottom: -1px;
+}
+
+.footer {
+  color: #777;
+  padding: 10px 15px;
+  height: 20px;
+  text-align: center;
+  border-top: 1px solid #e6e6e6;
+}
+
+.footer:before {
+  content: "";
+  position: absolute;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  height: 50px;
+  overflow: hidden;
+  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 8px 0 -3px #f6f6f6,
+    0 9px 1px -3px rgba(0, 0, 0, 0.2), 0 16px 0 -6px #f6f6f6,
+    0 17px 2px -6px rgba(0, 0, 0, 0.2);
+}
+
+.todo-count {
+  float: left;
+  text-align: left;
+}
+
+.todo-count strong {
+  font-weight: 300;
+}
+
+.filters {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+  position: absolute;
+  right: 0;
+  left: 0;
+}
+
+.filters li {
+  display: inline;
+}
+
+.filters li a {
+  color: inherit;
+  margin: 3px;
+  padding: 3px 7px;
+  text-decoration: none;
+  border: 1px solid transparent;
+  border-radius: 3px;
+}
+
+.filters li a:hover {
+  border-color: rgba(175, 47, 47, 0.1);
+}
+
+.filters li a.selected {
+  border-color: rgba(175, 47, 47, 0.2);
+}
+
+.clear-completed,
+html .clear-completed:active {
+  float: right;
+  position: relative;
+  line-height: 20px;
+  text-decoration: none;
+  cursor: pointer;
+}
+
+.clear-completed:hover {
+  text-decoration: underline;
+}
+
+.info {
+  margin: 65px auto 0;
+  color: #bfbfbf;
+  font-size: 10px;
+  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
+  text-align: center;
+}
+
+.info p {
+  line-height: 1;
+}
+
+.info a {
+  color: inherit;
+  text-decoration: none;
+  font-weight: 400;
+}
+
+.info a:hover {
+  text-decoration: underline;
+}
+
+/*
+	Hack to remove background from Mobile Safari.
+	Can't use it globally since it destroys checkboxes in Firefox
+*/
+@media screen and (-webkit-min-device-pixel-ratio: 0) {
+  .toggle-all,
+  .todo-list li .toggle {
+    background: none;
+  }
+
+  .todo-list li .toggle {
+    height: 40px;
+  }
+}
+
+@media (max-width: 430px) {
+  .footer {
+    height: 50px;
+  }
+
+  .filters {
+    bottom: 10px;
+  }
+}

examples/todoapp/components/TodoApp.js

@@ -0,0 +1,56 @@
+import { TodoItem } from "./TodoItem.js";
+
+const { StoreMixin, Component } = odoo.core;
+
+const ENTER_KEY = 13;
+
+export class TodoApp extends StoreMixin(Component) {
+  template = "todoapp";
+  widgets = { TodoItem };
+  state = { filter: "all" };
+
+  get todos() {
+    return this.env.store.state.todos;
+  }
+
+  get visibleTodos() {
+    let todos = this.todos;
+    if (this.state.filter === "active") {
+      todos = todos.filter(t => !t.completed);
+    }
+    if (this.state.filter === "completed") {
+      todos = todos.filter(t => t.completed);
+    }
+    return todos;
+  }
+
+  get allChecked() {
+    return this.todos.every(todo => todo.completed);
+  }
+
+  get remaining() {
+    return this.todos.filter(todo => !todo.completed).length;
+  }
+
+  get remainingText() {
+    return (this.remaining < 2 ? "item" : "items") + " left";
+  }
+
+  addTodo(ev) {
+    if (ev.keyCode === ENTER_KEY) {
+      const title = ev.target.value;
+      if (title.trim()) {
+        this.env.store.dispatch("addTodo", title);
+      }
+      ev.target.value = "";
+    }
+  }
+
+  clearCompleted() {
+    this.env.store.dispatch("clearCompleted");
+  }
+
+  toggleAll() {
+    this.env.store.dispatch("toggleAll", !this.allChecked);
+  }
+}

examples/todoapp/components/TodoItem.js

@@ -0,0 +1,49 @@
+const ENTER_KEY = 13;
+const ESC_KEY = 27;
+
+export class TodoItem extends odoo.core.Component {
+  template = "todoitem";
+
+  state = { isEditing: false };
+
+  removeTodo() {
+    this.env.store.dispatch("removeTodo", this.props.id);
+  }
+
+  toggleTodo() {
+    this.env.store.dispatch("toggleTodo", this.props.id);
+  }
+
+  async editTodo() {
+    await this.updateState({ isEditing: true });
+    this.refs.input.value = "";
+    this.refs.input.focus();
+    this.refs.input.value = this.props.title;
+  }
+
+  handleKeyup(ev) {
+    if (ev.keyCode === ENTER_KEY) {
+      this.updateTitle(ev.target.value);
+    }
+    if (ev.keyCode === ESC_KEY) {
+      ev.target.value = this.props.title;
+      this.updateState({ isEditing: false });
+    }
+  }
+
+  handleBlur(ev) {
+    this.updateTitle(ev.target.value);
+  }
+  updateTitle(title) {
+    const value = title.trim();
+    if (!value) {
+      this.removeTodo(this.props.id);
+    } else {
+      this.env.store.dispatch("editTodo", {
+        id: this.props.id,
+        title: value
+      });
+      this.updateState({ isEditing: false });
+    }
+  }
+}

examples/todoapp/index.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Odoo Demo App</title>
+    <link rel="icon" href="data:,">
+
+    <!-- Application JS/CSS -->
+    <script src="/core.js"></script>
+    <link rel="stylesheet" href="/app.css">
+    <script type="module" src="/main.js"></script>
+
+  </head>
+  <body>
+  </body>
+</html>

examples/todoapp/main.js

@@ -0,0 +1,26 @@
+import { TodoApp } from "./components/TodoApp.js";
+import { makeStore } from "./store.js";
+
+async function makeEnv() {
+  const result = await fetch("templates.xml");
+  if (!result.ok) {
+    throw new Error("Error while fetching xml templates");
+  }
+  let templates = await result.text();
+  templates = templates.replace(/<!--[\s\S]*?-->/g, "");
+  const qweb = new odoo.core.QWeb();
+  qweb.loadTemplates(templates);
+  return {
+    qweb,
+    store: makeStore()
+  };
+}
+
+document.addEventListener("DOMContentLoaded", async function() {
+  const env = await makeEnv();
+  const app = new TodoApp(env);
+
+  // for debugging purpose
+  window.app = app;
+  await app.mount(document.body);
+});

examples/todoapp/store.js

@@ -0,0 +1,75 @@
+//------------------------------------------------------------------------------
+// ACTIONS
+//------------------------------------------------------------------------------
+
+const actions = {
+  addTodo({ commit }, title) {
+    commit("addTodo", title);
+  },
+  removeTodo({ commit }, id) {
+    commit("removeTodo", id);
+  },
+  toggleTodo({ state, commit }, id) {
+    const todo = state.todos.find(t => t.id === id);
+    commit("editTodo", { id, completed: !todo.completed });
+  },
+  clearCompleted({ state, commit }) {
+    state.todos
+      .filter(todo => todo.completed)
+      .forEach(todo => {
+        commit("removeTodo", todo.id);
+      });
+  },
+  toggleAll({ state, commit }, completed) {
+    state.todos.forEach(todo => {
+      commit("editTodo", { id: todo.id, completed });
+    });
+  },
+  editTodo({ commit }, { id, title }) {
+    commit("editTodo", { id, title });
+  }
+};
+
+//------------------------------------------------------------------------------
+// MUTATIONS
+//------------------------------------------------------------------------------
+
+const mutations = {
+  addTodo(state, title) {
+    const id = state.nextId++;
+    const todo = { id, title, completed: false };
+    state.todos.push(todo);
+  },
+  removeTodo(state, id) {
+    const index = state.todos.findIndex(t => t.id === id);
+    state.todos.splice(index, 1);
+  },
+  editTodo(state, { id, title, completed }) {
+    const todo = state.todos.find(t => t.id === id);
+    if (title !== undefined) {
+      todo.title = title;
+    }
+    if (completed !== undefined) {
+      todo.completed = completed;
+    }
+  }
+};
+
+//------------------------------------------------------------------------------
+// STORE
+//------------------------------------------------------------------------------
+const LOCALSTORAGE_KEY = "todos-odoo";
+
+export function makeStore() {
+  const todos = JSON.parse(
+    window.localStorage.getItem(LOCALSTORAGE_KEY) || "[]"
+  );
+  const nextId = Math.max(0, ...todos.map(t => t.id || 0)) + 1;
+  const state = { todos, nextId };
+  const store = new odoo.core.Store({ state, actions, mutations });
+  store.on("update", null, () => {
+    const state = JSON.stringify(store.state.todos);
+    window.localStorage.setItem(LOCALSTORAGE_KEY, state);
+  });
+  return store;
+}

examples/todoapp/templates.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates id="template" xml:space="preserve">
+
+    <section t-name="todoapp" class="todoapp">
+        <!-- header -->
+        <header class="header">
+            <h1>todos</h1>
+            <input class="new-todo" autofocus="true" autocomplete="off" placeholder="What needs to be done?" t-on-keyup="addTodo"/>
+        </header>
+        <!-- main section -->
+        <section class="main" t-if="todos.length">
+            <input class="toggle-all" id="toggle-all" type="checkbox" t-att-checked="allChecked" t-on-click="toggleAll"/>
+            <label for="toggle-all"></label>
+            <ul class="todo-list">
+                <t t-foreach="visibleTodos" t-as="todo">
+                    <t t-widget="TodoItem" t-props="todo"/>
+                </t>
+            </ul>
+        </section>
+        <!-- footer -->
+        <footer class="footer" t-if="todos.length">
+            <span class="todo-count">
+                <strong>
+                    <t t-esc="remaining"/>
+                </strong>
+                <t t-esc="remainingText"/>
+            </span>
+            <ul class="filters">
+                <li>
+                    <a href="#/all" t-on-click="updateState({filter:'all'})" t-att-class="state.filter === 'all' ? 'selected' : ''">All</a>
+                </li>
+                <li>
+                    <a href="#/active" t-on-click="updateState({filter:'active'})" t-att-class="state.filter === 'active' ? 'selected' : ''">Active</a>
+                </li>
+                <li>
+                    <a href="#/completed" t-on-click="updateState({filter:'completed'})" t-att-class="state.filter === 'completed' ? 'selected' : ''">Completed</a>
+                </li>
+            </ul>
+            <button class="clear-completed" t-if="todos.length gt remaining" t-on-click="clearCompleted">
+        Clear completed
+            </button>
+        </footer>
+    </section>
+
+    <li t-name="todoitem" class="todo" t-att-class="(props.completed ? 'completed ' : ' ') + (state.isEditing ? 'editing' : '')">
+        <div class="view">
+            <input class="toggle" type="checkbox" t-on-change="toggleTodo" t-att-checked="props.completed"/>
+            <label t-on-dblclick="editTodo">
+                <t t-esc="props.title"/>
+            </label>
+            <button class="destroy" t-on-click="removeTodo"></button>
+        </div>
+        <input class="edit" t-ref="input" t-if="state.isEditing" t-att-value="props.title" t-on-keyup="handleKeyup" t-on-blur="handleBlur"/>
+    </li>
+
+</templates>