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URLInput: Pass the the search result object to props.onChange #8662

Merged
merged 10 commits into from
Aug 13, 2018
181 changes: 181 additions & 0 deletions packages/editor/src/components/url-input/README.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,181 @@
# `URLInputButton`

Render a URL input button that pops up an input to search for and select a post or enter any arbitrary URL.

## Properties

### `url: String`

*Required.* This should be set to the attribute (or component state) property used to store the URL.

### `onChange( url: String, ?post: Object ): Function`

*Required.* Called when the value changes. The second parameter is `null` unless the user selects a post from the suggestions dropdown. In those cases the `post` parameter will look like this:

```json
{
"id": 1,
"subtype": "page",
"title": "Sample Page",
"type": "post",
"url": "https://example.com/sample-page/",
"_links": {
"self": [ { "embeddable": true, "href": "https://example.com/wp-json/wp/v2/pages/1" } ],
"about": [ { "href": "https://example.com/wp-json/wp/v2/types/page" } ],
"collection": [ { "href": "https://example.com/wp-json/gutenberg/v1/search" } ]
}
}
```

## Example

{% codetabs %}
{% ES5 %}
```js
wp.blocks.registerBlockType( /* ... */, {
// ...

attributes: {
url: {
type: 'string'
},
text: {
type: 'string'
}
},

edit: function( props ) {
return wp.element.createElement( wp.editor.URLInputButton, {
className: props.className,
url: props.attributes.url,
onChange: function( url, post ) {
props.setAttributes( { url: url, text: (post && post.title) || 'Click here' } );
}
} );
},

save: function( props ) {
return wp.element.createElement( 'a', {
href: props.attributes.url,
}, props.attributes.text );
}
} );
```
{% ESNext %}
```js
const { registerBlockType } = wp.blocks;
const { URLInputButton } = wp.editor;

registerBlockType( /* ... */, {
// ...

attributes: {
url: {
type: 'string',
},
text: {
type: 'string',
},
},

edit( { className, attributes, setAttributes } ) {
return (
<URLInputButton
url={ attributes.url }
onChange={ ( url, post ) => setAttributes( { url, text: (post && post.title) || 'Click here' } ) }
/>
);
},

save( { attributes } ) {
return <a href={ attributes.url }>{ attributes.text }</a>;
}
} );
```
{% end %}

# `URLInput`

Renders the URL input normally wrapped by `URLInputButton`.
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What does this mean? Oh, wait, I think I see. I think this should be something like:

Renders a URL input field; this component should typically be wrapped in a URLInputButton component.

right?

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I think saying this might be an improvement:

Renders the URL input field used by the URLInputButton component. It can be used directly to display the input field in different ways such as in a Popover or inline.

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Agreed, that's great 👍


## Properties

### `value: String`

*Required.* This should be set to the attribute (or component state) property used to store the URL.

### `onChange( url: String, ?post: Object ): Function`

*Required.* Called when the value changes. This is the same as the `onChange` prop described above for `URLInputButton`.
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Saying "this is the same" is a bit confusing to me–does that mean it's functionally the same or it's literally passed from URLInputButton to this component? If it's just that it behaves similarly I think it's worth duplicating the documentation because it's annoying to have to hunt around a file for docs 😄

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It's literally passed directly from the URLInputButton component. But I think there's no harm in duplicating it for the sake of ease as you say 👍


### `autoFocus: Boolean`

*Optional.* By default, the input will gain focus when it is rendered as typically it is used in combination with a `Popover` in `URLInputBUtton`. If you are rendering the component all the time set this to `false`.
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A comma after "rendered" would improve readability here. I also think you could tweak the second sentence:

By default, the input will gain focus when it is rendered, as typically it is used in combination with a Popover in URLInputBUtton. If you are not conditionally rendering this component: set this to false.


## Example

{% codetabs %}
{% ES5 %}
```js
wp.blocks.registerBlockType( /* ... */, {
// ...

attributes: {
url: {
type: 'string'
},
text: {
type: 'string'
}
},

edit: function( props ) {
return wp.element.createElement( wp.editor.URLInput, {
className: props.className,
value: props.attributes.url,
onChange: function( url, post ) {
props.setAttributes( { url: url, text: (post && post.title) || 'Click here' } );
}
} );
},

save: function( props ) {
return wp.element.createElement( 'a', {
href: props.attributes.url,
}, props.attributes.text );
}
} );
```
{% ESNext %}
```js
const { registerBlockType } = wp.blocks;
const { URLInput } = wp.editor;

registerBlockType( /* ... */, {
// ...

attributes: {
url: {
type: 'string',
},
text: {
type: 'string',
},
},

edit( { className, attributes, setAttributes } ) {
return (
<URLInput
className={ className }
value={ attributes.url }
onChange={ ( url, post ) => setAttributes( { url, text: (post && post.title) || 'Click here' } ) }
/>
);
},

save( { attributes } ) {
return <a href={ attributes.url }>{ attributes.text }</a>;
}
} );
```
{% end %}
8 changes: 4 additions & 4 deletions packages/editor/src/components/url-input/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -168,14 +168,14 @@ class URLInput extends Component {
if ( this.state.selectedSuggestion !== null ) {
event.stopPropagation();
const post = this.state.posts[ this.state.selectedSuggestion ];
this.selectLink( post.url );
this.selectLink( post );
}
}
}
}

selectLink( link ) {
this.props.onChange( link );
selectLink( post ) {
this.props.onChange( post.url, post );
this.setState( {
selectedSuggestion: null,
showSuggestions: false,
Expand Down Expand Up @@ -227,7 +227,7 @@ class URLInput extends Component {
className={ classnames( 'editor-url-input__suggestion', {
'is-selected': index === selectedSuggestion,
} ) }
onClick={ () => this.selectLink( post.url ) }
onClick={ () => this.selectLink( post ) }
aria-selected={ index === selectedSuggestion }
>
{ decodeEntities( post.title ) || __( '(no title)' ) }
Expand Down