19.0 tutorial owl joemo

awesome_owl/static/src/card/card.js

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+import { Component, useState } from "@odoo/owl";
+
+export class Card extends Component {
+    static template = "awesome_owl.Card";
+    static props = {
+        'title': {type: String},
+        'slots': {type: Object, shape: {default: true}},
+    };
+
+    setup() {
+        this.state = useState({isOpen: true});
+    }
+
+    toggleOpen() {
+        this.state.isOpen = !this.state.isOpen;
+    }
+}

awesome_owl/static/src/card/card.xml

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+<templates xml:space="preserve">
+    <t t-name="awesome_owl.Card">
+        <div class="card d-inline-block m-2" style="width: 18rem;">
+            <div class="card-body">
+                <h5 class="card-title"><t t-out="props.title"/>
+                    <button class="btn btn-primary" t-on-click="toggleOpen" type="button">Toggle</button></h5>
+                <p class="card-text" t-if="state.isOpen">
+                    <t t-slot="default"/>
+                </p>
+            </div>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/counter/counter.js

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+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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+<templates xml:space="preserve">
+    <t t-name="awesome_owl.Counter">
+        <div class="m-1 p-1 border d-inline-block">
+            <span class="me-1">Counter: <t t-esc="state.value"/></span>
+            <button class="btn btn-primary active" t-on-click="increment" type="button">Increment</button>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/playground.js

@@ -1,5 +1,20 @@
-import { Component } from "@odoo/owl";
+import { Component, markup, useState } from "@odoo/owl";
+import { Counter } from "./counter/counter";
+import { Card } from "./card/card";
+import { TodoList } from "./todo/todo_list";
 
 export class Playground extends Component {
-    static template = "awesome_owl.playground";
+    static template = "awesome_owl.Playground";
+    static components = {Counter, Card, TodoList};
+    static props = [];
+
+    setup() {
+        this.content1 = "<div class='text-primary'>some content</div>";
+        this.content2 = markup("<div class='text-primary'>some content</div>");
+        this.state = useState({sum: 0});
+    }
+
+    increment_total() {
+        this.state.sum++;
+    }
 }

awesome_owl/static/src/playground.xml

@@ -1,10 +1,20 @@
-<?xml version="1.0" encoding="UTF-8" ?>
 <templates xml:space="preserve">
-
-    <t t-name="awesome_owl.playground">
+    <t t-name="awesome_owl.Playground">
         <div class="p-3">
-            hello world
+            <div>hello world</div>
+            <div>
+                <Counter onChange.bind="increment_total"/>
+                <Counter onChange.bind="increment_total"/>
+                <Counter/>
+                <span>the sum of the first two counters is: <t t-esc="state.sum"/></span>
+            </div>
+            <div>
+                <Card title="'card 1'"><Counter/></Card>
+                <Card title="'card 2'"><t t-out="content2"/></Card>
+            </div>
+            <div>
+                <TodoList/>
+            </div>
         </div>
     </t>
-
 </templates>

awesome_owl/static/src/todo/todo_item.js

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+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
+            }
+        },
+        "toggleState": {
+            type: Function
+        },
+        "removeTodo": {
+            type: Function
+        },
+    }
+
+    onChange(event) {
+        this.props.toggleState(this.props.todo.id);
+    }
+
+    onClickDelete(event) {
+        this.props.removeTodo(this.props.todo.id);
+    }
+}

awesome_owl/static/src/todo/todo_item.xml

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+<templates xml:space="preserve">
+    <t t-name="awesome_owl.TodoItem">
+        <div t-att-class="{'text-muted': props.todo.isCompleted, 'text-decoration-line-through': props.todo.isCompleted}">
+            <input t-on-change="onChange" type="checkbox" t-att-checked="props.todo.isCompleted"/>
+            <t t-esc="props.todo.id"/>.
+            <t t-esc="props.todo.description"/>
+            <span class="fa fa-remove" t-on-click="onClickDelete"/>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/todo/todo_list.js

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+import { Component, useState } from "@odoo/owl";
+import { TodoItem } from "./todo_item";
+import { useAutofocus } from "../utils";
+
+export class TodoList extends Component {
+    static template = "awesome_owl.TodoList";
+    static components = {TodoItem};
+    static props = [];
+
+    setup() {
+        this.todos = useState([]);
+        this.nextId = this.todos.length;
+        useAutofocus("add_todo_input");
+    }
+
+    addToDo(event) {
+        if (event.keyCode === 13 && event.target.value !== "") {
+            this.todos.push({id: this.nextId++, description: event.target.value, isCompleted: false});
+            event.target.value = "";
+        }
+    }
+
+    toggleStateOfTodo(id) {
+        const todo = this.todos.find((todo) => todo.id === id);
+        if (todo) {
+            todo.isCompleted = !todo.isCompleted;
+        }
+    }
+
+    deleteTodo(id) {
+        const index = this.todos.findIndex((todo) => todo.id === id);
+        if (index >= 0) {
+            this.todos.splice(index, 1);
+        }
+    }
+}

awesome_owl/static/src/todo/todo_list.xml

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+<templates xml:space="preserve">
+    <t t-name="awesome_owl.TodoList">
+        <div class="border d-inline-block p-2 m-2" style="width: 18rem;">
+            <input t-ref="add_todo_input" t-on-keyup="addToDo" placeholder="Add a todo"/>
+            <t t-foreach="todos" t-as="todo" t-key="todo.id">
+                <TodoItem todo="todo" toggleState.bind="toggleStateOfTodo" removeTodo.bind="deleteTodo"/>
+            </t>
+        </div>
+    </t>
+</templates>

awesome_owl/static/src/utils.js

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