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Update all the code and text to latest alpha.25 examples

This commit is contained in:
Kathy Walrath 2015-06-03 12:54:59 -07:00
parent b206074f27
commit 23fcb95fec
4 changed files with 287 additions and 274 deletions
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384
public/docs/dart/latest/guide/displaying-data.jade
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@ -17,22 +17,19 @@
a <code>pubspec.yaml</code> file:
code-tabs
code-pane(language="dart" name="main.dart" format="linenums").
// web/main.dart
library displaying_data;
code-pane(language="dart" name="web/main.dart" format="linenums").
import 'package:angular2/angular2.dart';
import 'package:angular2/src/reflection/reflection.dart' show reflector;
import 'package:angular2/src/reflection/reflection_capabilities.dart' show ReflectionCapabilities;
import 'package:angular2/src/reflection/reflection_capabilities.dart'
show ReflectionCapabilities;
part 'show_properties.dart';
import 'package:displaying_data/show_properties.dart';
main() {
reflector.reflectionCapabilities = new ReflectionCapabilities();
bootstrap(DisplayComponent);
}
code-pane(language="html" name="index.html" format="linenums").
&lt;!-- web/index.html --&gt;
code-pane(language="html" name="web/index.html" format="linenums").
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
@ -47,45 +44,45 @@
&lt;/body&gt;
&lt;/html&gt;
code-pane(language="yaml" name="pubspec.yaml" format="linenums").
# pubspec.yaml
name: displaying_data
description: Dart version of Angular 2 example, Displaying Data
version: 0.0.1
dependencies:
angular2: 2.0.0-alpha.23
browser: any
angular2: 2.0.0-alpha.25
browser: ^0.10.0
transformers:
- angular2:
entry_points: web/main.dart
p.
All of this code should look familiar from the previous page,
except for the <code>library</code> and <code>part</code> statements
except for the import of <code>show_properties.dart</code>
in <code>main.dart</code>.
Those statements let you implement part of the app in a different Dart file.
That import statement lets you implement part of the app in a different Dart file.
All three of these files remain similar in the rest of the examples,
so we'll just focus on what's different.
so we'll focus on what changes.
.l-main-section
h2#section-showing-properties-with-interpolation Showing properties with interpolation
p.
The simple method for binding text into templates is through interpolation,
where you put the name of a property
inside <strong>{{ }}</strong>.
inside <strong ng-non-bindable="">{{ }}</strong>.
p.
To see this working, create a Dart file under <code>web</code>
named <code>show_properties.dart</code>,
and add the following:
To see this working, first create a <code>lib</code> directory.
Under it, put a Dart file named <code>show_properties.dart</code>
that contains the following code:
code-example(language="dart" format="linenums").
code-example(language="dart" format="linenums" escape="html").
// web/show_properties.dart
part of displaying_data;
library displaying_data.show_properties;
@Component(
selector: 'display'
)
@View(
template: '''
&lt;p>My name: {{ myName }}&lt/p>
'''
)
import 'package:angular2/angular2.dart';
@Component(selector: 'display')
@View(template: '''
<p>My name: {{ myName }}</p>
''')
class DisplayComponent {
String myName = 'Alice';
}
@ -94,8 +91,8 @@
You've just defined a component that encompasses a view and controller for the app. The view
defines a template:
code-example(language="html").
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
code-example(language="html" escape="html").
<p>My name: {{ myName }}</p>
p.
Angular will automatically pull the value of <code>myName</code> and
@ -132,85 +129,86 @@
&lt;p&gt;Current time: {{ time }}&lt;/p&gt;
p.
Then give the <code>DisplayComponent</code> a starting value for time and
a call to update time
via <code>setInterval</code>:
Then import <code>dart:async</code> so you can use a Timer,
and give the <code>DisplayComponent</code> a starting value for time and
create a periodic Timer call to update the time:
code-example(language="dart" format="linenums").
class DisplayComponent {
String myName = 'Alice';
String time;
Timer _timer;
code-example(language="dart").
import 'dart:async';
...
class DisplayComponent {
String myName = 'Alice';
String time;
Timer _timer;
DisplayComponent() {
_updateTime(null);
_timer = new Timer.periodic(new Duration(seconds: 1), _updateTime);
}
_updateTime(Timer _) {
time = new DateTime.now().toString();
}
DisplayComponent() {
_updateTime(null);
_timer = new Timer.periodic(new Duration(seconds: 1), _updateTime);
}
_updateTime(Timer _) {
time = new DateTime.now().toString();
}
}
p Reload the app, and you'll now see the seconds updating automatically.
.l-main-section
h2#Create-an-array Display an iterable using *for
h2#Create-an-array Display an iterable using *ng-for
p Moving up from a single value, create a property that's a list of values.
code-example(language="dart" format="linenums").
code-example(language="dart").
class DisplayComponent {
String myName = 'Alice';
List&lt;String&gt; friendNames = ['Aarav', 'Martín', 'Shannon', 'Ariana', 'Kai'];
List&lt;String> friendNames = const [
'Aarav',
'Martín',
'Shannon',
'Ariana',
'Kai'
];
}
p.
You can then use this list in your template with the <code>for</code> directive to create copies of DOM elements
You can then use this list in your template with
the <code>ng-for</code> directive to create copies of DOM elements
with one for each item in the list.
code-example(language="dart" format="linenums").
@View(
template: '''
&lt;p>My name: {{ myName }}&lt;/p>
&lt;p>Friends:&lt;/p>
&lt;ul>
&lt;li *for="#name of friendNames">
code-example(language="dart").
@View(template: '''
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li <span class="pnk">*ng-for="#name of friendNames"</span>&gt;
{{ name }}
&lt;/li>
&lt;/ul>
'''
)
p.
To make this work, you'll also need to add the Angular <code>For</code> directive used by
the template to <code>show_properties.dart</code>, so that Angular knows to include it.
Add <code>For</code> using the optional <code>directives</code> parameter,
which contains a list of directives:
&lt;/li&gt;
&lt;/ul&gt;
''', <span class="pnk">directives: const [NgFor]</span>)
code-example(language="dart" format="linenums").
@View(
template: '''
// ...HTML...
''',
directives: const[For]
)
p.
To make <code>ng-for</code> work,
you need to add the Angular <code>NgFor</code> directive,
so that Angular knows to include it.
Add <code>NgFor</code> using the optional <code>directives</code> parameter.
p Reload and you've got your list of friends!
p.
Again, Angular will mirror changes you make to this list over in the DOM. Add a new item and it appears in your
list. Delete one and Angular deletes the &lt;li&gt;. Reorder items and Angular makes the corresponding reorder of
the DOM list.
Again, Angular will mirror changes you make to this list over in the DOM.
Add a new item and it appears in your list.
Delete one and Angular deletes the &lt;li&gt;.
Reorder items and Angular makes the corresponding reorder of the DOM list.
p Let's look at the few lines that do the work again:
code-example(language="html" format="linenums").
&lt;li *for=&quot;#name of friendNames&quot;&gt;
code-example(language="html").
&lt;li *ng-for=&quot;#name of friendNames&quot;&gt;
{{ name }}
&lt;/li&gt;
p The way to read this is:
ul
li.
<code>*for</code>: Create a DOM element for each item in an
<code>*ng-for</code>: Create a DOM element for each item in an
<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols">iterable</a>
such as a list.
li <code>#name</code>: Refer to individual values of the iterable as <code>name</code>.
@ -221,157 +219,151 @@
.l-main-section
h2#Create-a-class Create a model and inject it
p.
Before we get too much further, we should mention that putting the model (list) directly into the controller isn't
proper form. We should separate the concerns by having another class serve the role of model and inject it into
the controller.
Before we get too much further, we should mention that
putting the model (list) directly into the controller isn't proper form.
We should separate the concerns by having another class
serve the role of model and inject it into the controller.
p.
Make a <code>FriendsService</code> class to implement a model containing a list of friends. We'll put this in a new
<code>friends_service.dart</code> under <code>web/</code>. Here's what the class looks like:
Make a <code>FriendsService</code> class to implement a model
containing a list of friends.
Put this in a new file under <code>web/</code>
named <code>friends_service.dart</code>. Here's what the class looks like:
code-example(language="dart" format="linenums").
// web/friends_service.dart
part of displaying_data;
library displaying_data.friends_service;
import 'package:angular2/angular2.dart';
@Injectable()
class FriendsService {
List&lt;String&gt; friendNames = ['Aarav', 'Martín', 'Shannon', 'Ariana', 'Kai'];
List&lt;String> names = ['Aarav', 'Martín', 'Shannon', 'Ariana', 'Kai'];
}
.callout.is-helpful
header Note
p.
Remember to tie <code>friends_service.dart</code> into the library's main file:
add <code>part friends_service.dart</code> to <code>main.dart</code>.
p.
Now you can replace the current list of friends in DisplayComponent.
First add a FriendsService parameter to the constructor.
Import <code>friends_service.dart</code>,
and add a FriendsService parameter to the constructor.
Then set <code>friendNames</code> to the names provided by the service.
code-example(language="dart" format="linenums").
code-example(language="dart").
// In web/show_properties.dart
<span class="pnk">import 'package:displaying_data/friends_service.dart';</span>
...
class DisplayComponent {
String myName = 'Alice';
List<String> friendNames;
List&lt;String&gt; friendNames;
DisplayComponent(FriendsService friendsService) {
friendNames = friendsService.names;
DisplayComponent(<span class="pnk">FriendsService friendsService</span>) {
<span class="pnk">friendNames = friendsService.names;</span>
}
}
p.
Next, make FriendsService available to dependency injection
by adding an <code>injectables</code> parameter to DisplayComponent's
by adding an <code>appInjector</code> parameter to DisplayComponent's
<code>@Component</code> annotation:
code-example(language="dart" format="linenums").
@Component(
selector: 'display',
injectables: const[FriendsService]
)
code-example(language="dart").
@Component(selector: 'display', <span class="pnk">appInjector: const [FriendsService]</span>)
.l-main-section
h2#Conditionally-displaying-data-with-If Conditionally display data using *if
h2#Conditionally-displaying-data-with-NgIf Conditionally display data using *ng-if
p.
Lastly, before we move on, let's handle showing parts of our UI conditionally with <code>*if</code>. The
<code>If</code> directive adds or removes elements from the DOM based on the expression you provide.
Lastly, before we move on, let's handle showing parts of our UI conditionally with <code>*ng-if</code>. The
<code>NgIf</code> directive adds or removes elements from the DOM based on the expression you provide.
p See it in action by adding a paragraph at the end of your template:
code-example(language="html").
&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;
&lt;p *ng-if="friendNames.length &gt; 3"&gt;You have many friends!&lt;/p&gt;
p.
Also add <code>If</code> to the list of directives,
Also add <code>NgIf</code> to the list of directives,
so Angular knows to include it:
code-example(language="dart").
directives: const[For, If]
directives: const[NgFor, <span class="pnk">NgIf</span>]
p.
The list current has 5 items, so if you run the app you'll see the message
The list currently has 5 items, so if you run the app you'll see the message
congratulating you on your many friends.
Remove two items from the list, reload your browser,
and see that the message no longer displays.
<!-- PENDING: mention somewhere that once you start a web server,
you can just refresh the browser to see your changes. -->
p Here's the final code.
code-tabs
code-pane(language="dart" name="show_properties.dart" format="linenums").
// web/show_properties.dart
part of displaying_data;
code-pane(language="dart" name="lib/show_properties.dart" format="linenums").
library displaying_data.show_properties;
@Component(
selector: 'display',
injectables: const[FriendsService]
)
@View(
template: '''
&lt;p>My name: {{ myName }}&lt;/p>
&lt;p>Friends:&lt;/p>
&lt;ul>
&lt;li *for="#name of friendNames">
import 'package:angular2/angular2.dart';
import 'package:displaying_data/friends_service.dart';
@Component(selector: 'display', appInjector: const [FriendsService])
@View(template: '''
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li *ng-for="#name of friendNames"&gt;
{{ name }}
&lt;/li>
&lt;/ul>
''',
directives: const[For]
)
&lt;/li&gt;
&lt;/ul&gt;
&lt;p *ng-if="friendNames.length &gt; 3"&gt;You have many friends!&lt;/p&gt;
''', directives: const [NgFor, NgIf])
class DisplayComponent {
String myName = 'Alice';
List&lt;String> friendNames;
List&lt;String&gt; friendNames;
DisplayComponent(FriendsService friendsService) {
friendNames = friendsService.names;
}
}
code-pane(language="dart" name="friends_service.dart" format="linenums").
// web/friends_service.dart
part of displaying_data;
class FriendsService {
List&lt;String> names = ['Aarav', 'Martín', 'Shannon', 'Ariana', 'Kai'];
}
code-pane(language="dart" name="main.dart" format="linenums").
// web/main.dart
library displaying_data;
import 'dart:async';
code-pane(language="dart" name="lib/friends_service.dart" format="linenums").
library displaying_data.friends_service;
import 'package:angular2/angular2.dart';
import 'package:angular2/src/reflection/reflection.dart' show reflector;
import 'package:angular2/src/reflection/reflection_capabilities.dart' show ReflectionCapabilities;
part 'show_properties.dart';
part 'friends_service.dart';
@Injectable()
class FriendsService {
List&lt;String&gt; names = ['Aarav', 'Martín', 'Shannon', 'Ariana', 'Kai'];
}
code-pane(language="dart" name="web/main.dart" format="linenums").
import 'package:angular2/angular2.dart';
import 'package:angular2/src/reflection/reflection.dart' show reflector;
import 'package:angular2/src/reflection/reflection_capabilities.dart'
show ReflectionCapabilities;
import 'package:displaying_data/show_properties.dart';
main() {
reflector.reflectionCapabilities = new ReflectionCapabilities();
bootstrap(DisplayComponent);
}
code-pane(language="html" name="index.html" format="linenums").
&lt;!-- web/index.html --&gt;
code-pane(language="html" name="web/index.html" format="linenums").
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;link rel=&quot;stylesheet&quot; href=&quot;style.css&quot;&gt;
&lt;link rel="stylesheet" href="style.css"&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;display&gt;&lt;/display&gt;
&lt;script type=&quot;application/dart&quot; src=&quot;main.dart&quot;&gt;&lt;/script&gt;
&lt;script src=&quot;packages/browser/dart.js&quot;&gt;&lt;/script&gt;
&lt;script type="application/dart" src="main.dart"&gt;&lt;/script&gt;
&lt;script src="packages/browser/dart.js"&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
code-pane(language="yaml" name="pubspec.yaml" format="linenums").
# pubspec.yaml
name: displaying_data
description: Dart version of Angular 2 example, Displaying Data
description: Displaying Data example
version: 0.0.1
dependencies:
angular2: 2.0.0-alpha.23
browser: any
angular2: 2.0.0-alpha.25
browser: ^0.10.0
transformers:
- angular2:
entry_points: web/main.dart
.l-main-section
h2#section-explanations Explanations
@ -380,40 +372,74 @@
p.
Dart offers a few ways to implement an app in multiple files.
In this guide, all the code for each example is in a single library;
each Dart file under <code>web</code> is part of that library.
In this guide, each example is in a single package,
and each Dart file implements a separate library.
For a bigger project, you might split the code into libraries
in two or more packages.
p.
To let the code in <code>main.dart</code>
use the code in <code>show_properties.dart</code>,
declare a library in <code>main.dart</code>.
Then make <code>show_properties.dart</code> part of that library.
To use the API defined in <code>show_properties.dart</code>,
<code>main.dart</code> must import that file.
The import statement uses the package name
(defined in <code>pubspec.yaml</code> to be <b>displaying_data</b>)
and the path to <code>show_properties.dart</code>
(starting at the app's top directory,
but omitting the <code>lib/</code> directory).
code-tabs
code-pane(language="dart" name="main.dart" format="linenums").
// web/main.dart
library displaying_data;
// imports...
part 'show_properties.dart';
// Code goes here...
code-pane(language="dart" name="show_properties.dar" format="linenums").
// web/show_properties.dart
part of displaying_data;
// Code goes here...
code-example(language="dart").
// In web/main.dart:
...
import 'package:displaying_data/show_properties.dart';
...
// In lib/show_properties.dart:
library displaying_data.show_properties;
...
p.
Another way to split Dart code is to
define multiple libraries in a single package.
The additional libraries go under a <code>lib</code> directory
parallel to <code>web</code>.
<!-- PENDING: show or point to an example -->
The name that <code>show_properties.dart</code> specifies for its library
is similar to the path used to import the library,
but with no ".dart" suffix and
with dots (<code>.</code>) instead of slashes (<code>/</code>).
<a href="https://www.dartlang.org/articles/style-guide/#do-name-libraries-and-source-files-using-lowercasewithunderscores">Naming
conventions for libraries</a>,
along with lots of other helpful information, are in the
<a href="https://www.dartlang.org/articles/style-guide/">Dart Style Guide</a>.
p.
Yet another approach, often used when some of the code is highly reusable,
is to split the code into libraries in two or more packages.
Another import lets <code>show_properties.dart</code>
use the API defined in <code>friends_service.dart</code>:
code-example(language="dart").
// In lib/show_properties.dart:
library displaying_data.show_properties;
...
import 'package:displaying_data/friends_service.dart';
...
// In lib/friends_service.dart:
library displaying_data.friends_service;
...
p.
Because both <code>show_properties.dart</code> and <code>friends_service.dart</code>
are under <code>lib</code>,
the import could instead use a relative path:
code-example(language="dart").
// In lib/show_properties.dart:
library displaying_data.show_properties;
...
import 'friends_service.dart';
...
// In lib/friends_service.dart:
library displaying_data.friends_service;
...
p.
For more information on implementing Dart libraries, see
<a href="https://www.dartlang.org/docs/dart-up-and-running/ch02.html#libraries-and-visibility">Libraries and visibility</a>
in the
<a href="https://www.dartlang.org/docs/dart-up-and-running/ch02.html">Dart language tour</a>.

33
public/docs/dart/latest/guide/making-components.jade
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@ -11,18 +11,16 @@
component that uses a <code>&lt;child&gt;</code> component like so:
code-example(language="dart" format="linenums").
part of making_components;
library parent_child.parent;
@Component(
selector: 'parent'
)
@View(
template: '''
import 'package:angular2/angular2.dart';
import 'package:parent_child/child.dart';
@Component(selector: 'parent')
@View(template: '''
&lt;h1&gt;{{ message }}&lt;/h1&gt;
<span class="pnk">&lt;child&gt;&lt;/child&gt;</span>
''',
directives: const[<span class="pnk">ChildComponent</span>]
)
''', directives: const [<span class="pnk">ChildComponent]</span>)
class ParentComponent {
String message = "I'm the parent";
}
@ -30,19 +28,16 @@
p You then just need to write the <code>ChildComponent</code> class to make it work:
code-example(language="dart" format="linenums").
part of making_components;
library parent_child.child;
@Component(
selector: 'child'
)
@View(
template: '''
import 'package:angular2/angular2.dart';
@Component(selector: 'child')
@View(template: '''
&lt;p&gt; {{ message }} &lt;/p&gt;
'''
)
''')
class ChildComponent {
String message = "I'm the child";
}
//p.
[TODO: Motivate communication between components with iterator example that passes index to the child]
//- [TODO: Motivate communication between components with iterator example that passes index to the child]

36
public/docs/dart/latest/guide/setup.jade
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@ -27,11 +27,14 @@
code-example(language="yaml").
# pubspec.yaml
name: getting_started
description: Dart version of Angular 2 example, Getting Started
description: Getting Started example
version: 0.0.1
dependencies:
angular2: 2.0.0-alpha.23
browser: any
angular2: 2.0.0-alpha.25
browser: ^0.10.0
transformers:
- angular2:
entry_points: web/main.dart
p.
Run <b>pub get</b> to download the packages your app depends on.
(<a href="https://www.dartlang.org/tools/">Dart-savvy editors and IDEs</a>
@ -50,20 +53,16 @@
and creating a top-level <code>main()</code> function that calls
Angular's <code>bootstrap()</code> function.
code-example(language="javascript").
code-example(language="dart" escape="html").
// web/main.dart
import 'package:angular2/angular2.dart';
import 'package:angular2/src/reflection/reflection.dart' show reflector;
import 'package:angular2/src/reflection/reflection_capabilities.dart' show ReflectionCapabilities;
import 'package:angular2/src/reflection/reflection_capabilities.dart'
show ReflectionCapabilities;
@Component(
selector: 'my-app'
)
@View(
template: '&lt;h1&gt;My first Angular 2 App&lt;/h1&gt;'
)
class AppComponent {
}
@Component(selector: 'my-app')
@View(template: '<h1>My first Angular 2 App</h1>')
class AppComponent {}
main() {
reflector.reflectionCapabilities = new ReflectionCapabilities();
@ -73,7 +72,8 @@
.l-main-section
h2#section-create-an-entry-point Create an HTML file
p.
In the <code>web/</code> directoryapp, create an HTML file (<code>index.html</code>).
In the <code>web/</code> directory of your app,
create an HTML file (<code>index.html</code>).
Edit <code>index.html</code> to add a <code>&lt;my-app&gt;</code> element
and call <code>main.dart</code>.
@ -98,14 +98,6 @@
Now run the app. How you do this depends on your tools.
ul
li.
If you're using <b>Dart Editor</b>,
right-click <b>web/index.html</b>,
and choose <b>Open in Dartium</b>.
This starts a web server
and opens your app in Dartium,
an experimental version of the Chromium browser that contains the Dart VM.
li.
If you're using <b>WebStorm</b> or <b>IntelliJ IDEA</b>,
right-click <b>web/index.html</b>,

108
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@ -44,11 +44,14 @@
Then add a method that adds new items
to the list.
code-example(language="dart" format="linenums").
code-example(language="dart").
class TodoList {
List&lt;String&gt; todos =
['Eat breakfast', 'Walk dog', 'Breathe', 'Learn Angular'];
List&lt;String&gt; todos =[
'Eat breakfast',
'Walk dog',
'Breathe',
'Learn Angular'
];
addTodo(String todo) {
todos.add(todo);
}
@ -67,12 +70,12 @@
.l-main-section
h2#section-display-the-list-of-todos Display the list of todos
p.
Using the <code>*for</code> iterator, create an <code>&lt;li&gt;</code> for each item in the todos list and set
Using the <code>*ng-for</code> iterator, create an <code>&lt;li&gt;</code> for each item in the todos list and set
its text to the value.
code-example(language="html" format="linenums").
code-example(language="html").
&lt;ul&gt;
&lt;li *for=&quot;#todo of todos&quot;&gt;
&lt;li *ng-for=&quot;#todo of todos&quot;&gt;
{{ todo }}
&lt;/li&gt;
&lt;/ul&gt;
@ -101,54 +104,54 @@
<a href="https://api.dartlang.org/apidocs/channels/stable/dartdoc-viewer/dart:html">dart:html</a>,
so be sure to import that library.
code-tabs
code-pane(language="dart" name="todo_list.dart" format="linenums").
// In the template:
&lt;input #todotext (keyup)="doneTyping(\$event)"&gt;
code-example(language="dart").
import 'dart:html';
...
// In the component controller class:
doneTyping(KeyboardEvent event) {
if (event.keyCode == KeyCode.ENTER) {
InputElement e = event.target;
addTodo(e.value);
e.value = null;
}
// In the template:
&lt;input #todotext (keyup)="doneTyping(\$event)"&gt;
...
// In the component controller class:
doneTyping(KeyboardEvent event) {
if (event.keyCode == KeyCode.ENTER) {
InputElement e = event.target;
addTodo(e.value);
e.value = null;
}
code-pane(language="dart" name="main.dart" format="linenums").
library user_input;
import 'dart:html';
...
}
.l-main-section
h2#section-final-code Final code
code-tabs
code-pane(language="dart" name="todo_list.dart" format="linenums").
// web/todo_list.dart
part of user_input;
code-pane(language="dart" name="lib/todo_list.dart" format="linenums").
library user_input.todo_list;
@Component(
selector: 'todo-list'
)
import 'dart:html';
import 'package:angular2/angular2.dart';
@Component(selector: 'todo-list')
@View(
// Without r before ''' (a raw string), $event breaks Angular.
// An alternative to a raw string is to use \$event instead.
template: r'''
// An alternative to using \$event is to use a raw string instead.
// For example, change "template: '''" to "template: r'''".
template: '''
&lt;ul&gt;
&lt;li *for=&quot;#todo of todos&quot;&gt;
&lt;li *ng-for="#todo of todos"&gt;
{{ todo }}
&lt;/li&gt;
&lt;/ul&gt;
&lt;input #todotext (keyup)="doneTyping($event)"&gt;
&lt;button (click)="addTodo(todotext.value)"&gt;Add Todo&lt;/button&gt;
''',
directives: const[For]
)
&lt;input #todotext (keyup)="doneTyping(\$event)"&gt;
&lt;button (click)="addTodo(todotext.value)"&gt;Add Todo&lt;/button>
''', directives: const [NgFor])
class TodoList {
List&lt;String&gt; todos =
['Eat breakfast', 'Walk dog', 'Breathe', 'Learn Angular'];
List&lt;String&gt; todos = [
'Eat breakfast',
'Walk dog',
'Breathe',
'Learn Angular'
];
addTodo(String todo) {
todos.add(todo);
@ -162,24 +165,19 @@
}
}
}
code-pane(language="dart" name="main.dart" format="linenums").
// web/main.dart
library user_input;
import 'dart:html';
code-pane(language="dart" name="web/main.dart" format="linenums").
import 'package:angular2/angular2.dart';
import 'package:angular2/src/reflection/reflection.dart' show reflector;
import 'package:angular2/src/reflection/reflection_capabilities.dart' show ReflectionCapabilities;
import 'package:angular2/src/reflection/reflection_capabilities.dart'
show ReflectionCapabilities;
part 'todo_list.dart';
import 'package:user_input/todo_list.dart';
main() {
reflector.reflectionCapabilities = new ReflectionCapabilities();
bootstrap(TodoList);
}
code-pane(language="html" name="index.html" format="linenums").
&lt;!-- web/index.html --&gt;
code-pane(language="html" name="web/index.html" format="linenums").
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
@ -194,10 +192,12 @@
&lt;/body&gt;
&lt;/html&gt;
code-pane(language="yaml" name="pubspec.yaml" format="linenums").
# pubspec.yaml
name: user_input
description: Dart version of Angular 2 example, Responding to User Input
description: User Input example
version: 0.0.1
dependencies:
angular2: 2.0.0-alpha.23
browser: any
angular2: 2.0.0-alpha.25
browser: ^0.10.0
transformers:
- angular2:
entry_points: web/main.dart