[IMP] examples: update todo app

src/samples.js

@@ -351,7 +351,9 @@ const BENCHMARK_APP_XML = `<templates>
 
 </templates>`;
 
-const STATE_MANAGEMENT = `const { Component, QWeb, Store, connect } = owl;
+const TODO_APP_STORE = `const ENTER_KEY = 13;
+const ESC_KEY = 27;
+const LOCALSTORAGE_KEY = "todos-odoo";
 
 //------------------------------------------------------------------------------
 // Store Definition
@@ -363,8 +365,9 @@ const actions = {
   removeTodo({ commit }, id) {
     commit("removeTodo", id);
   },
-  toggleTodo({ commit }, id) {
+  toggleTodo({ state, commit }, id) {
-    commit("toggleTodo", id);
+    const todo = state.todos.find(t => t.id === id);
+    commit("editTodo", { id, completed: !todo.completed });
   },
   clearCompleted({ state, commit }) {
     state.todos
@@ -372,6 +375,14 @@ const actions = {
       .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 });
   }
 };
 
@@ -385,24 +396,121 @@ const mutations = {
     const index = state.todos.findIndex(t => t.id === id);
     state.todos.splice(index, 1);
   },
-  toggleTodo({ state }, id) {
+  editTodo({ state }, { id, title, completed }) {
     const todo = state.todos.find(t => t.id === id);
-    todo.completed = !todo.completed;
+    if (title !== undefined) {
+      todo.title = title;
+    }
+    if (completed !== undefined) {
+      todo.completed = completed;
+    }
   }
 };
 
-const state = { todos: [], nextId: 1 };
+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 owl.Store({ state, actions, mutations });
+  store.on("update", null, () => {
+    const state = JSON.stringify(store.state.todos);
+    window.localStorage.setItem(LOCALSTORAGE_KEY, state);
+  });
+  return store;
+}
 
 //------------------------------------------------------------------------------
-// TodoList root widget
+// TodoItem
 //------------------------------------------------------------------------------
-class TodoList extends Component {
+class TodoItem extends owl.Component {
-  constructor() {
+  template = "todoitem";
-    super(...arguments);
+  state = { isEditing: false };
-    this.template = "todoapp";
+
+  removeTodo() {
+    this.env.store.dispatch("removeTodo", this.props.id);
   }
+
+  toggleTodo() {
+    this.env.store.dispatch("toggleTodo", this.props.id);
+  }
+
+  async editTodo() {
+    this.state.isEditing = true;
+    setTimeout(() => {
+      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.state.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.state.isEditing = false;
+    }
+  }
+}
+
+//------------------------------------------------------------------------------
+// TodoApp
+//------------------------------------------------------------------------------
+function mapStateToProps(state) {
+  return { todos: state.todos };
+}
+
+class TodoApp extends owl.Component {
+  template = "todoapp";
+  widgets = { TodoItem };
+  state = { filter: "all" };
+
+  get visibleTodos() {
+    let todos = this.props.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.props.todos.every(todo => todo.completed);
+  }
+
+  get remaining() {
+    return this.props.todos.filter(todo => !todo.completed).length;
+  }
+
+  get remainingText() {
+    const items = this.remaining < 2 ? "item" : "items";
+    return \` \${items} left\`;
+  }
+
   addTodo(ev) {
-    if (ev.keyCode === 13) {
+    if (ev.keyCode === ENTER_KEY) {
       const title = ev.target.value;
       if (title.trim()) {
         this.env.store.dispatch("addTodo", title);
@@ -410,49 +518,465 @@ class TodoList extends Component {
       ev.target.value = "";
     }
   }
-  toggleTodo(todo) {
+
-    this.env.store.dispatch("toggleTodo", todo.id);
+  clearCompleted() {
+    this.env.store.dispatch("clearCompleted");
   }
-  removeTodo(todo) {
+
-    this.env.store.dispatch("removeTodo", todo.id);
+  toggleAll() {
+    this.env.store.dispatch("toggleAll", !this.allChecked);
+  }
+
+  setFilter(filter) {
+    this.state.filter = filter;
   }
 }
 
-const App = connect(state => state)(TodoList);
+const ConnectedTodoApp = owl.connect(mapStateToProps)(TodoApp);
 
 //------------------------------------------------------------------------------
 // App Initialization
 //------------------------------------------------------------------------------
-const store = new Store({ state, actions, mutations });
+const store = makeStore();
-const qweb = new QWeb(TEMPLATES);
+const qweb = new owl.QWeb(TEMPLATES);
 const env = {
   qweb,
   store
 };
-const app = new App(env);
+const app = new ConnectedTodoApp(env);
 app.mount(document.body);
 `;
 
-const STATE_MANAGEMENT_XML = `<templates>
+const TODO_APP_STORE_XML = `<templates>
-  <div t-name="todoapp">
+  <section t-name="todoapp" class="todoapp">
-    <input autofocus="true" placeholder="What needs to be done?" t-on-keyup="addTodo"/>
+    <header class="header">
-    <ul>
+      <h1>todos</h1>
-        <li class="todo" t-foreach="props.todos" t-as="todo">
+      <input class="new-todo" autofocus="true" autocomplete="off" placeholder="What needs to be done?" t-on-keyup="addTodo"/>
-            <input type="checkbox" t-att-checked="todo.completed" t-on-change="toggleTodo(todo)"/>
+    </header>
-            <span t-att-class="{completed: todo.completed}"><t t-esc="todo.id"/>. <t t-esc="todo.title"/></span>
+    <section class="main" t-if="props.todos.length">
-            <span class="action" t-on-click="removeTodo(todo)">(remove)</span>
+      <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-key="todo.id" t-props="todo"/>
+        </t>
+      </ul>
+    </section>
+    <footer class="footer" t-if="props.todos.length">
+      <span class="todo-count">
+        <strong>
+            <t t-esc="remaining"/>
+        </strong>
+        <t t-esc="remainingText"/>
+      </span>
+      <ul class="filters">
+        <li>
+          <a t-on-click="setFilter('all')" t-att-class="{selected: state.filter === 'all'}">All</a>
         </li>
-    </ul>
+        <li>
-  </div>
+          <a t-on-click="setFilter('active')" t-att-class="{selected: state.filter === 'active'}">Active</a>
+        </li>
+        <li>
+          <a t-on-click="setFilter('completed')" t-att-class="{selected: state.filter === 'completed'}">Completed</a>
+        </li>
+      </ul>
+      <button class="clear-completed" t-if="props.todos.length gt remaining" t-on-click="clearCompleted">
+        Clear completed
+      </button>
+    </footer>
+  </section>
+
+  <li t-name="todoitem" class="todo" t-att-class="{completed: props.completed, editing: state.isEditing}">
+    <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>`;
 
-const STATE_MANAGEMENT_CSS = `.action {
+const TODO_APP_STORE_CSS = `html,
-    cursor: pointer;
+body {
-    margin: 0 5px;
+  margin: 0;
+  padding: 0;
 }
 
-.completed {
+button {
-    text-decoration: line-through;
+  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;
+  }
+}
+
+.filters a {
+    cursor: pointer;
 }
 `;
 
@@ -570,10 +1094,10 @@ export const SAMPLES = [
     xml: BENCHMARK_APP_XML
   },
   {
-    description: "State management app",
+    description: "Todo List App (with store)",
-    code: STATE_MANAGEMENT,
+    code: TODO_APP_STORE,
-    css: STATE_MANAGEMENT_CSS,
+    css: TODO_APP_STORE_CSS,
-    xml: STATE_MANAGEMENT_XML
+    xml: TODO_APP_STORE_XML
   },
   {
     description: "Responsive app",