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Add an error state to the image block to allow upload errors to display #10224

Merged
merged 8 commits into from
Dec 10, 2018
Merged

Add an error state to the image block to allow upload errors to display #10224

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d0d8cf9
Add a hasError state to the image block component that will display e…
brentswisher Sep 27, 2018
1a6729b
Add a hasError state to the image block component that will display e…
brentswisher Sep 27, 2018
56feb5e
Merge branch 'master' into add/image-block-error-message
brentswisher Sep 28, 2018
8aa1b16
Merge branch 'add/image-block-error-message' of github.com:brentswish…
brentswisher Sep 28, 2018
ff37316
Merge branch 'master' into add/image-block-error-message
brentswisher Nov 15, 2018
3338a25
Update state to use isEditing instead of hasError to display the erro…
brentswisher Nov 15, 2018
f055731
Merge branch 'master' into add/image-block-error-message
brentswisher Dec 7, 2018
2bb901f
Add back whitespace that got accidentally removed earlier
brentswisher Dec 7, 2018
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14 changes: 10 additions & 4 deletions packages/block-library/src/image/edit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -72,23 +72,27 @@ class ImageEdit extends Component {

this.state = {
captionFocused: false,
hasError: false,
};
}

componentDidMount() {
const { attributes, setAttributes } = this.props;
const { attributes, setAttributes, noticeOperations } = this.props;
const { id, url = '' } = attributes;

if ( ! id && url.indexOf( 'blob:' ) === 0 ) {
const file = getBlobByURL( url );

if ( file ) {
mediaUpload( {
filesList: [ file ],
allowedType: 'image',
onFileChange: ( [ image ] ) => {
setAttributes( { ...image } );
},
allowedType: 'image',
onError: ( message ) => {
this.setState( { hasError: true } );
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I think if make a call here similar to:

						noticeOperations.createErrorNotice( message );
						this.props.setAttributes( {
							url: undefined,
							alt: undefined,
							id: undefined,
							caption: undefined,
						} );

We may be able to avoid the need for a state flag.

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@jorgefilipecosta jorgefilipecosta Oct 10, 2018 •
edited
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This seems a complicated problem. If we apply a setAttributes here, the attributes are changed in the store, but the components are not rerendered even if caching is disabled on the getBlocks selector. That's why there is a delay on the notice appearing when we use the setAttributes approach.

@noisysocks given that the state approach was also used on the file blocks do you have any insights on why setAttributes does not work for this cases?
I'm fine with the approach being proposed here my only fear is that the fact the setAttributes approach does not work well may be related to some problem that may have an impact in other areas.

Thank you @brentswisher for this PR and for the research you made.

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@noisysocks noisysocks Nov 16, 2018 •
edited
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We opted to use setState() for the File block because using setAttributes() causes a useless undo level to be created.

noticeOperations.createErrorNotice( message );
},
} );
}
}
Expand Down Expand Up @@ -119,6 +123,7 @@ class ImageEdit extends Component {
} );
return;
}
this.setState( { hasError: false } );
this.props.setAttributes( {
...pick( media, [ 'alt', 'id', 'caption', 'url' ] ),
width: undefined,
Expand Down Expand Up @@ -210,6 +215,7 @@ class ImageEdit extends Component {
render() {
const { attributes, setAttributes, isLargeViewport, isSelected, className, maxWidth, noticeOperations, noticeUI, toggleSelection, isRTL } = this.props;
const { url, alt, caption, align, id, href, linkDestination, width, height } = attributes;
const { hasError } = this.state;

const controls = (
<BlockControls>
Expand All @@ -236,7 +242,7 @@ class ImageEdit extends Component {
</BlockControls>
);

if ( ! url ) {
if ( ! url || hasError ) {
return (
<Fragment>
{ controls }
Expand Down
1 change: 0 additions & 1 deletion packages/editor/src/components/block-drop-zone/index.js
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Expand Up @@ -39,7 +39,6 @@ class BlockDropZone extends Component {
getBlockTransforms( 'from' ),
( transform ) => transform.type === 'files' && transform.isMatch( files )
);

if ( transformation ) {
const insertIndex = this.getInsertIndex( position );
const blocks = transformation.transform( files, this.props.updateBlockAttributes );
Expand Down