stage 11

awesome_owl/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import controllers

awesome_owl/__manifest__.py

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+# -*- coding: utf-8 -*-
+{
+    'name': "Awesome Owl",
+
+    'summary': """
+        Starting module for "Discover the JS framework, chapter 1: Owl components"
+    """,
+
+    'description': """
+        Starting module for "Discover the JS framework, chapter 1: Owl components"
+    """,
+
+    'author': "Odoo",
+    'website': "https://www.odoo.com",
+
+    # Categories can be used to filter modules in modules listing
+    # Check https://github.com/odoo/odoo/blob/15.0/odoo/addons/base/data/ir_module_category_data.xml
+    # for the full list
+    'category': 'Tutorials/AwesomeOwl',
+    'version': '0.1',
+
+    # any module necessary for this one to work correctly
+    'depends': ['base', 'web'],
+    'application': True,
+    'installable': True,
+    'data': [
+        'views/templates.xml',
+    ],
+    'assets': {
+        'awesome_owl.assets_playground': [
+            # bootstrap
+            ('include', 'web._assets_helpers'),
+            'web/static/src/scss/pre_variables.scss',
+            'web/static/lib/bootstrap/scss/_variables.scss',
+            ('include', 'web._assets_bootstrap_backend'),
+
+            # required for fa icons
+            'web/static/src/libs/fontawesome/css/font-awesome.css',
+            
+            # include base files from framework
+            ('include', 'web._assets_core'),
+
+            'web/static/src/core/utils/functions.js',
+            'web/static/src/core/browser/browser.js',
+            'web/static/src/core/registry.js',
+            'web/static/src/core/assets.js',
+            'awesome_owl/static/src/**/*',
+        ],
+    },
+    'license': 'AGPL-3'
+}

awesome_owl/controllers/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import controllers

awesome_owl/controllers/controllers.py

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+from odoo import http
+from odoo.http import request, route
+
+class OwlPlayground(http.Controller):
+    @http.route(['/awesome_owl'], type='http', auth='public')
+    def show_playground(self):
+        """
+        Renders the owl playground page
+        """
+        return request.render('awesome_owl.playground')

awesome_owl/static/src/card/card.js

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+/** @odoo-module **/
+
+import { Component, useState } from "@odoo/owl";
+
+export class Card extends Component {
+    static template = "awesome_owl.card";
+    static props = ['title', 'content'];
+}

awesome_owl/static/src/card/card.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<templates xml:space="preserve">
+
+    <t t-name="awesome_owl.card">
+        <section>
+            <div class="card d-inline-block m-2" style="width: 18rem;">
+                <div class="card-body">
+                    <h3 class="card-title"><t t-esc="props.title"/></h3>
+                    <p class="card-text">
+                        <t t-esc="props.content"/>
+                    </p>
+                </div>
+            </div>
+        </section>
+    </t>
+
+</templates>

awesome_owl/static/src/counter/counter.js

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+/** @odoo-module **/
+
+import { Component, useState } from "@odoo/owl";
+
+export class Counter extends Component {
+    static template = "awesome_owl.counter";
+    static props = {
+      onChange: {type: Function, optional: true}
+    }
+
+    setup() {
+      this.state = useState({ value: 0});
+    }
+
+    increment() {
+        this.state.value++;
+        if (this.props.onChange) {
+          this.props.onChange();
+        }
+    }
+  }

awesome_owl/static/src/counter/counter.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<templates xml:space="preserve">
+
+    <t t-name="awesome_owl.counter">
+        <section>
+            <h2>Counter</h2>
+            <p>Counter: <t t-esc="state.value"/></p>
+            <button class="btn btn-primary" t-on-click="increment">Increment</button>
+        </section>
+    </t>
+
+</templates>

awesome_owl/static/src/main.js

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+/** @odoo-module **/
+
+import { browser } from "@web/core/browser/browser";
+import { mount, whenReady } from "@odoo/owl";
+import { Playground } from "./playground";
+import { templates } from "@web/core/assets";
+
+// Mount the Playground component when the document.body is ready
+whenReady( () => {
+    mount(Playground, document.body, { templates, dev: true, name: "Owl Tutorial" });
+});
+
+
+
+/**
+ * This code is iterating over the cause property of an error object to console.error a string
+ * containing the stack trace of the error and any errors that caused it.
+ * @param {Event} ev
+ */
+function logError(ev) {
+    ev.preventDefault();
+    let error = ev ?.error || ev.reason;
+
+    if (error.seen) {
+        // If an error causes the mount to crash, Owl will reject the mount promise and throw the
+        // error. Therefore, this if statement prevents the same error from appearing twice.
+        return;
+    }
+    error.seen = true;
+
+    let errorMessage = error.stack;
+    while (error.cause) {
+        errorMessage += "\nCaused by: "
+        errorMessage += error.cause.stack;
+        error = error.cause;
+    }
+    console.error(errorMessage);
+}
+
+browser.addEventListener("error", (ev) => {logError(ev)});
+browser.addEventListener("unhandledrejection", (ev) => {logError(ev)});

awesome_owl/static/src/playground.js

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+/** @odoo-module **/
+
+import { Component, useState } from "@odoo/owl";
+import { Counter } from "./counter/counter";
+import { Card } from "./card/card";
+import { TodoList } from "./todo_list/todo_list";
+
+export class Playground extends Component {
+    static template = "awesome_owl.playground";
+    static components = { Counter, Card, TodoList };
+
+    setup() {
+        this.sum = useState({value: 0});
+    }
+
+    incrementSum(){
+        this.sum.value++;
+    }
+}

awesome_owl/static/src/playground.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<templates xml:space="preserve">
+
+    <t t-name="awesome_owl.playground">
+            <Counter onChange.bind="incrementSum"/>
+            <Counter onChange.bind="incrementSum"/>
+            <p>The sum is <t t-esc="sum.value"/></p>
+            <hr />
+            <Card title="'Card 1'" content="'This is the awesome content of the card 1'" />
+            <Card title="'Card, the 2nd'" content="'Here is another card content. It is the second one.'" />
+            <hr/>
+            <TodoList />
+    </t>
+
+</templates>

awesome_owl/static/src/todo_list/todo_item.js

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+/** @odoo-module **/
+
+import { Component } from "@odoo/owl";
+
+export class TodoItem extends Component {
+    static template = "awesome_owl.TodoItem";
+    static props = {
+        todo: {
+            type: Object,
+            shape: { id: Number, description: String, isCompleted: Boolean }
+        },
+        onToggle: Function,
+    };
+
+    toggle() {
+        this.props.onToggle(this.props.todo.id);
+    } 
+}

awesome_owl/static/src/todo_list/todo_item.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<templates xml:space="preserve">
+    <t t-name="awesome_owl.TodoItem">
+        <div class="form-check">
+            <input class="form-check-input" type="checkbox" t-att-id="props.todo.id" t-att-checked="props.todo.isCompleted" t-on-change="toggle"/>
+            <label t-att-for="props.todo.id" t-att-class="props.todo.isCompleted ? 'text-decoration-line-through text-muted' : '' ">
+                <t t-esc="props.todo.id"/>. 
+                <t t-esc="props.todo.description"/>
+            </label>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/todo_list/todo_list.js

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+/** @odoo-module **/
+
+import { Component, useState } from "@odoo/owl";
+import { TodoItem } from "./todo_item";
+import "../utils.js";
+import { useAutofocus } from "../utils.js";
+
+export class TodoList extends Component {
+    static template = "awesome_owl.todo_list";
+    static components = { TodoItem };
+
+    setup() {
+        this.todos = useState([]);
+        useAutofocus('todo_input');
+    }
+
+    addTodo(ev) {
+        // If the key was enter and input isn't empty
+        if(ev.keyCode === 13) {
+            if(ev.target.value !== '') {
+                // Let's create a todo
+                this.todos.push({ id: this.todos.length+1, description: ev.target.value, isCompleted: false });
+                ev.target.value = '';
+            }
+        }
+    }
+
+    toggleState(id) {
+        const todo = this.todos.find((obj) => obj.id === id);
+        if (todo) {
+            todo.isCompleted = !todo.isCompleted;
+        }
+    }
+}

awesome_owl/static/src/todo_list/todo_list.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<templates xml:space="preserve">
+    <t t-name="awesome_owl.todo_list">
+       <p><input t-ref="todo_input" type="text" name="new-todo" placeholder="Add new todo" t-on-keyup="addTodo" /></p>
+       <div class="d-inline-block border p-2 m-2">
+            <t t-foreach="todos" t-as="todo" t-key="todo.id">
+                <TodoItem todo="todo" onToggle.bind="toggleState"/>
+            </t>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/utils.js

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+/** @odoo-module */
+
+import { useRef, onMounted } from "@odoo/owl";
+
+export function useAutofocus(name) {
+    const ref = useRef(name);
+    onMounted(() => {
+        ref.el.focus();
+    });
+}

awesome_owl/views/templates.xml

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+<odoo>
+    <data>
+          <template id="awesome_owl.playground" name="Awesome T-Shirt thank you">
+            <html>
+                <head>
+                    <link type="image/x-icon" rel="shortcut icon" href="/web/static/img/favicon.ico"/>
+                    <t t-call-assets="awesome_owl.assets_playground"/>
+                </head>
+
+                <body>
+                </body>
+            </html>
+          </template>
+    </data>
+</odoo>