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displaying data fix

This commit is contained in:
Alex Wolfe 2015-04-22 07:17:26 -07:00
parent 459ea70464
commit 64c5aff275
4 changed files with 214 additions and 191 deletions
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389
public/docs/js/latest/guide/displaying-data.jade
View File

@ -1,33 +1,34 @@
.statement
h4 Live Examples
p.
If you want to skip to the working examples you can check out these links on Plunker. <a href='http://plnkr.co/edit/pQojSb3CTfTEejX0wGjO?p=preview')> TypeScript Example</a> or <a href='http://plnkr.co/edit/GOJiWOEem9jrOyEeY3uW?p=preview> ES5 Example</a>.
If you want to skip to the working examples you can check out these links on Plunker. <a href='http://plnkr.co/edit/pQojSb3CTfTEejX0wGjO?p=preview')> TypeScript Example</a> or <a href='http://plnkr.co/edit/GOJiWOEem9jrOyEeY3uW?p=preview'> ES5 Example</a>.
.l-main-section
h2#section-displaying-controller-properties Displaying controller properties
p.
Let's walk through how we'd display a property, a list of properties, and then conditionally show content
based on state.
p.
We'll end up with a UI that looks like this:
div(align='center')
img(src='displaying-data-example1.png')
Let's walk through how we'd display a property, a list of properties, and then conditionally show content
based on state. We'll end up with a UI that looks like this:
figure.image-display
img(src='displaying-data-example1.png')
.l-main-section
h2#section-create-an-entry-point Create an entry point
p Open your favorite editor and create a show-properties.html file with the content:
pre.prettyprint.linenums.lang-html
code.
//ES5
&lt;display&gt;&lt;/display&gt;
.code-box
pre.prettyprint.linenums.lang-html(data-name="es5")
code.
//ES5
&lt;display&gt;&lt;/display&gt;
pre.prettyprint.linenums.lang-html
code.
//TypeScript
&lt;display&gt;&lt;/display&gt;
pre.prettyprint.linenums.lang-html(data-name="typescript")
code.
//TypeScript
&lt;display&gt;&lt;/display&gt;
p
| The <code>&lt;display&gt;</code> component here acts as the site where you'll insert your application.
@ -42,45 +43,46 @@
p To see this working, create another file, <code>show-properties.js</code>, and add the following:
pre.prettyprint.linenums.lang-javascript
code.
// ES5
function DisplayComponent() {
this.myName = "Alice";
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display"
}),
new angular.View({
template:
'&lt;p&gt;My name: {{ myName }}&lt;/p&gt;',
directives: [angular.For, angular.If]
})
];
pre.prettyprint.linenums.lang-typescript
code.
// TypeScript
import {Component, View, bootstrap, For} from 'angular2/angular2';
@Component({
selector: 'display'
})
@View({
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt
`,
directives: [For]
})
class DisplayComponent {
myName: string;
todos: Array&lt;string&gt;;
constructor() {
this.myName = "Alice";
}
.code-box
pre.prettyprint.linenums.lang-javascript(data-name="es5")
code.
// ES5
function DisplayComponent() {
this.myName = "Alice";
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display"
}),
new angular.View({
template:
'&lt;p&gt;My name: {{ myName }}&lt;/p&gt;',
directives: [angular.For, angular.If]
})
];
pre.prettyprint.linenums.lang-typescript(data-name="typescript")
code.
// TypeScript
import {Component, View, bootstrap, For} from 'angular2/angular2';
@Component({
selector: 'display'
})
@View({
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt
`,
directives: [For]
})
class DisplayComponent {
myName: string;
todos: Array&lt;string&gt;;
constructor() {
this.myName = "Alice";
}
}
p.
You've just defined a component that encompases a view and controller for the app. The view
defines a template:
@ -129,61 +131,64 @@
.l-main-section
h2#Create-an-array Create an array property and use For on the view
p Moving up from a single property, create an array to display as a list.
pre.prettyprint.lang-javascript
code.
//ES5
function DisplayComponent() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
pre.prettyprint.lang-typescript
code.
//Typescript
constructor() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
function DisplayComponent() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//Typescript
constructor() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
p.
You can then use this array in your template with the <code>for</code> directive to create copies of DOM elements
with one for each item in the array.
pre.prettyprint.lang-javascript
code.
//ES5
template:
&#39;&lt;p&gt;My name: {{ myName }}&lt;/p&gt;&#39; +
&#39;&lt;p&gt;Friends:&lt;/p&gt;&#39; +
&#39;&lt;ul&gt;&#39; +
&#39;&lt;li *for=&quot;#name of names&quot;&gt;&#39; +
&#39;{{ name }}&#39; +
&#39;&lt;/li&gt;&#39; +
&#39;&lt;/ul&gt;&#39;,
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
template:
&#39;&lt;p&gt;My name: {{ myName }}&lt;/p&gt;&#39; +
&#39;&lt;p&gt;Friends:&lt;/p&gt;&#39; +
&#39;&lt;ul&gt;&#39; +
&#39;&lt;li *for=&quot;#name of names&quot;&gt;&#39; +
&#39;{{ name }}&#39; +
&#39;&lt;/li&gt;&#39; +
&#39;&lt;/ul&gt;&#39;,
pre.prettyprint.lang-typescript
code.
//Typescript
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li *for=&quot;#name of names&quot;&gt;
{{ name }}
&lt;/li&gt;
&lt;/ul&gt;
`,
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//Typescript
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li *for=&quot;#name of names&quot;&gt;
{{ name }}
&lt;/li&gt;
&lt;/ul&gt;
`,
p.
To make this work, you'll also need to add the <code>angular.For</code> directive used by the template so
that Angular knows to include it:
pre.prettyprint.lang-javascript
code.
//ES5
directives: [angular.For]
pre.prettyprint.lang-typescript
code.
//Typescript
import {Component, View, bootstrap, For} from
...
directives: [For]
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
directives: [angular.For]
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//Typescript
import {Component, View, bootstrap, For} from
...
directives: [For]
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
@ -241,36 +246,38 @@
p.
The dependency injection syntax here is using the low-level API and is...well...not very nice. We're
working on sugaring the syntax to match the way it works in Angular 1. Expect this to change soon.
pre.prettyprint.lang-javascript
code.
//ES5
function FriendsService() {
this.names = ["Alice", "Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
function DisplayComponent(friends) {
this.myName = "Alice";
this.names = friends.names;
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display",
injectables: [FriendsService]
}),
new angular.View({
template: '{{ myName }} &lt;ul&gt; &lt;li *for="#name of names"&lt;{{ name }}&gt;/li&lt; &gt;/ul&lt;',
directives: [angular.For, angular.If]
})
];
DisplayComponent.parameters = [[FriendsService]];
document.addEventListener("DOMContentLoaded", function() {
angular.bootstrap(DisplayComponent);
});
pre.prettyprint.lang-typescript
code.
//TypeScript
import {Component, View, bootstrap, For} from
...
directives: [For]
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
function FriendsService() {
this.names = ["Alice", "Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
function DisplayComponent(friends) {
this.myName = "Alice";
this.names = friends.names;
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display",
injectables: [FriendsService]
}),
new angular.View({
template: '{{ myName }} &lt;ul&gt; &lt;li *for="#name of names"&lt;{{ name }}&gt;/li&lt; &gt;/ul&lt;',
directives: [angular.For, angular.If]
})
];
DisplayComponent.parameters = [[FriendsService]];
document.addEventListener("DOMContentLoaded", function() {
angular.bootstrap(DisplayComponent);
});
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//TypeScript
import {Component, View, bootstrap, For} from
...
directives: [For]
.l-main-section
h2#Conditionally-displaying-data-with-If Conditionally displaying data with If
p.
@ -281,69 +288,71 @@
code.
&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;
p You'll also need to add the If directive so Angular knows to include it.
pre.prettyprint.lang-javascript
code.
//ES5
directives: [angular.For, angular.If]
pre.prettyprint.lang-typescript
code.
//Typescript
import {Component, View, bootstrap, For, If} from
...
directives: [For, If]
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
directives: [angular.For, angular.If]
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//Typescript
import {Component, View, bootstrap, For, If} from
...
directives: [For, If]
p.
As there are currently 5 items it the list, 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.
pre.prettyprint.lang-javascript
code.
//ES5
function DisplayComponent() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display"
}),
new angular.View({
template:
&#39;&lt;p&gt;My name: {{ myName }}&lt;/p&gt;&#39; +
&#39;&lt;p&gt;Friends:&lt;/p&gt;&#39; +
&#39;&lt;ul&gt;&#39; +
&#39;&lt;li *for=&quot;#name of names&quot;&gt;&#39; +
&#39;{{ name }}&#39; +
&#39;&lt;/li&gt;&#39; +
&#39;&lt;/ul&gt;&#39; +
&#39;&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;&#39;,
directives: [angular.For, angular.If]
})
];
pre.prettyprint.lang-typescript
code.
//TypeScript
import {Component, View, bootstrap, For, If} from 'angular2/angular2';
@Component({
selector: 'display'
})
@View({
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li *for=&quot;#name of names&quot;&gt;
{{ name }}
&lt;/li&gt;
&lt;/ul&gt;
&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;
`,
directives: [For, If]
})
class DisplayComponent {
myName: string;
todos: Array<string>;
constructor() {
.code-box
pre.prettyprint.lang-javascript(data-name="es5")
code.
//ES5
function DisplayComponent() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
}
DisplayComponent.annotations = [
new angular.Component({
selector: "display"
}),
new angular.View({
template:
&#39;&lt;p&gt;My name: {{ myName }}&lt;/p&gt;&#39; +
&#39;&lt;p&gt;Friends:&lt;/p&gt;&#39; +
&#39;&lt;ul&gt;&#39; +
&#39;&lt;li *for=&quot;#name of names&quot;&gt;&#39; +
&#39;{{ name }}&#39; +
&#39;&lt;/li&gt;&#39; +
&#39;&lt;/ul&gt;&#39; +
&#39;&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;&#39;,
directives: [angular.For, angular.If]
})
];
pre.prettyprint.lang-typescript(data-name="typescript")
code.
//TypeScript
import {Component, View, bootstrap, For, If} from 'angular2/angular2';
@Component({
selector: 'display'
})
@View({
template: `
&lt;p&gt;My name: {{ myName }}&lt;/p&gt;
&lt;p&gt;Friends:&lt;/p&gt;
&lt;ul&gt;
&lt;li *for=&quot;#name of names&quot;&gt;
{{ name }}
&lt;/li&gt;
&lt;/ul&gt;
&lt;p *if=&quot;names.length &gt; 3&quot;&gt;You have many friends!&lt;/p&gt;
`,
directives: [For, If]
})
class DisplayComponent {
myName: string;
todos: Array<string>;
constructor() {
this.myName = "Alice";
this.names = ["Aarav", "Martín", "Shannon", "Ariana", "Kai"];
}
}

1
public/resources/css/main.scss
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@ -33,6 +33,7 @@
@import 'module/overlay';
@import 'module/alert';
@import 'module/callout';
@import 'module/images';
@import 'module/card';
@import 'module/hover-card';
@import 'module/modal';

2
public/resources/css/module/_code-box.scss
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@ -3,7 +3,7 @@
background: $steel;
box-shadow: 0px 2px 5px rgba($coal, .3);
display: none;
margin-bottom: $unit * 3;
margin-bottom: $unit * 2;
header {
background: darken($steel, 5%);

13
public/resources/css/module/_images.scss Normal file
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@ -0,0 +1,13 @@
.image-display {
border-radius: 4px;
background: $mist;
padding: $unit * 2;
display: inline-block;
box-shadow: 0 2px 5px 0 rgba(0,0,0,.26);
margin: 0px 0px ($unit * 2) 0px;
img {
border-radius: 4px;
display: inline-block;
}
}