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Allow dropping an image on an empty paragraph block to create an image block #42722

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merged 14 commits into from
Sep 26, 2022
Merged

Allow dropping an image on an empty paragraph block to create an image block #42722

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2a3a168
Allow dropping an image on an empty paragraph block
kevin940726 Jul 27, 2022
a7cf8e5
Update popover props for best practice
kevin940726 Sep 13, 2022
18f1b0f
Refactor
kevin940726 Sep 15, 2022
b9d7afa
Take reduced motion into account
kevin940726 Sep 15, 2022
b9cc502
Update animation to scaleY only
kevin940726 Sep 16, 2022
fa4c81b
Address code reviews
kevin940726 Sep 20, 2022
64188e0
Minimize the refactor so that test coverage is still intact
kevin940726 Sep 20, 2022
7c0b869
Address code reviews
kevin940726 Sep 20, 2022
76eb403
Fix the tests and refactor dragFiles util
kevin940726 Sep 21, 2022
86946e2
Add more e2e tests
kevin940726 Sep 21, 2022
ea314b8
Fix dropzone memory leak
kevin940726 Sep 21, 2022
49387fc
Try to fix stalled listeners issue in useDropZone
kevin940726 Sep 22, 2022
4980a3d
Address code reviews
kevin940726 Sep 22, 2022
db6be43
Remove null check for targetIndex
kevin940726 Sep 22, 2022
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43 changes: 29 additions & 14 deletions package-lock.json
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1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,7 @@
"@types/highlight-words-core": "1.2.1",
"@types/istanbul-lib-report": "3.0.0",
"@types/lodash": "4.14.172",
"@types/mime": "2.0.3",
"@types/npm-package-arg": "6.1.1",
"@types/prettier": "2.4.4",
"@types/qs": "6.9.7",
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1 change: 1 addition & 0 deletions packages/block-editor/src/components/index.js
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Expand Up @@ -155,6 +155,7 @@ export {
export { default as __experimentalBlockPatternsList } from './block-patterns-list';
export { default as __experimentalPublishDateTimePicker } from './publish-date-time-picker';
export { default as __experimentalInspectorPopoverHeader } from './inspector-popover-header';
export { default as __experimentalUseOnBlockDrop } from './use-on-block-drop';
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@ellatrix ellatrix Sep 28, 2022 •
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Should we mark this unstable/internal? I don't think this is an API that we want to expose in this shape.

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Sure. I don't mind changing it to __internal or any other naming. I only use __experimental here because that's a more established pattern.


/*
* State Related Components
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27 changes: 26 additions & 1 deletion packages/block-editor/src/components/use-block-drop-zone/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,20 @@ export function getNearestBlockIndex( elements, position, orientation ) {
return candidateIndex;
}

/**
* Determine if the element is an empty paragraph block.
*
* @param {?HTMLElement} element The element being tested.
* @return {boolean} True or False.
*/
function isEmptyParagraph( element ) {
return (
!! element &&
element.dataset.type === 'core/paragraph' &&
element.dataset.empty === 'true'
);
}

/**
* @typedef {Object} WPBlockDropZoneConfig
* @property {string} rootClientId The root client id for the block list.
Expand Down Expand Up @@ -130,7 +144,18 @@ export default function useBlockDropZone( {

setTargetBlockIndex( targetIndex === undefined ? 0 : targetIndex );

if ( targetIndex !== null ) {
if ( targetIndex !== undefined ) {
const nextBlock = blockElements[ targetIndex ];
const previousBlock = blockElements[ targetIndex - 1 ];

// Don't show the insertion point when it's near an empty paragraph block.
if (
isEmptyParagraph( nextBlock ) ||
isEmptyParagraph( previousBlock )
) {
return;
}

showInsertionPoint( targetRootClientId, targetIndex );
}
}, [] ),
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