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Border panel: Don't restore deselected border color when width changed from zero #37049

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stacimc
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@stacimc stacimc commented Dec 2, 2021

Fixes #37046

Description

When border width is set to zero, any selections for the color and style controls should be cleared -- and then restored if the width value is updated to a non-zero value. This PR fixes an issue where previously selected colors were being restored even if the user had explicitly deselected them.

How has this been tested?

  1. Add a block with border color and width support, like Group
  2. In the inspector controls, give the block a non-zero width
  3. Select a border color (I selected orange)
  4. Deselect the border color by clicking it again
  5. Set the width to zero
  6. Set the width to a non-zero value again
  7. Verify that the previously selected (orange in my example) color is not restored.

Verify that the normal use case is still working:

  1. Select a new border color
  2. Set the width to zero
  3. Verify that the border color is cleared. There is another small bug here which causes the value to still appear checked, but if you look at the attributes you will see they are cleared. Fix for the other bug is in Border panel: Update the value of the ColorPicker when color is cleared #37048.
  4. Set the width to a new non-zero value
  5. You should see the border reappear, with the restored color.

Screenshots

Before After
deselected-color-being-restored deselected-color-is-not-restored

Types of changes

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal). <!-- React Native mobile Gutenberg guidelines: https://github.com/WordPress/gutenberg/blob/HEAD/docs/contributors/code/native-mobile.md --

@stacimc stacimc added [Type] Bug An existing feature does not function as intended [Feature] Design Tools Tools that impact the appearance of blocks both to expand the number of tools and improve the experi labels Dec 2, 2021
@stacimc stacimc self-assigned this Dec 2, 2021
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github-actions bot commented Dec 2, 2021

Size Change: -17 B (0%)

Total Size: 1.11 MB

Filename Size Change
build/block-editor/index.min.js 139 kB -17 B (0%)
ℹ️ View Unchanged
Filename Size
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@stacimc stacimc changed the title Border panel: Fix restoration of border color when width changed from zero Border panel: Don't restore deselected border color when width changed from zero Dec 2, 2021
@stacimc
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stacimc commented Dec 2, 2021

Pinging @aaronrobertshaw to make sure I didn't break your implementation or misunderstand the original requirements 😄 I traced the discussion around setting zero width in #32080.

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Thanks for the fix @stacimc 👍

make sure I didn't break your implementation or misunderstand the original requirements 😄 I traced the discussion around setting zero width in #32080.

I think the restoration of any previous color selection was aimed around needing to have some color set when re-establishing a border so there was a visual border. What the original intent was doesn't matter much here though.

With the recent changes applying fallbacks via CSS :where for border-style whenever a width or color are selected, the current behaviour doesn't make much sense.

In case it interests you can follow the original discussion a little further back via:


This tests as advertised for me 👌

I've left a few minor comments as I think we could minimise the changes here to achieve the same result as well as remove some nested conditionals. Below is a patch in line with those comments and after applying, this still tests well with the PR's test instructions.

I'll leave the final call to you.

Patch for possible refinements
diff --git a/packages/block-editor/src/hooks/border-width.js b/packages/block-editor/src/hooks/border-width.js
index 8c7338c152..f2edd7089e 100644
--- a/packages/block-editor/src/hooks/border-width.js
+++ b/packages/block-editor/src/hooks/border-width.js
@@ -62,9 +62,7 @@ export const BorderWidthEdit = ( props ) => {
 			// changes to a non-zero value.
 			setColorSelection( borderColor );
 			setCustomColorSelection( customBorderColor );
-			if ( borderStyle !== 'none' ) {
-				setStyleSelection( borderStyle );
-			}
+			setStyleSelection( borderStyle );
 
 			// Clear style and color attributes.
 			borderPaletteColor = undefined;
@@ -72,21 +70,19 @@ export const BorderWidthEdit = ( props ) => {
 			newStyle.border.style = 'none';
 		}
 
-		if ( ! hasZeroWidth && hadPreviousZeroWidth ) {
-			// Restore previous border style selection if width is now not zero and
-			// border style was 'none'. This is to support changes to the UI which
-			// change the border style UI to a segmented control without a "none"
-			// option.
-			if ( borderStyle === 'none' ) {
-				newStyle.border.style = styleSelection;
-			}
-
-			// Restore previous border color selection if width is no longer zero
-			// and current border color is undefined.
-			if ( borderColor === undefined ) {
-				borderPaletteColor = colorSelection;
-				newStyle.border.color = customColorSelection;
-			}
+		// Restore previous border style selection if width is now not zero and
+		// border style was 'none'. This is to support changes to the UI which
+		// change the border style UI to a segmented control without a "none"
+		// option.
+		if ( ! hasZeroWidth && borderStyle === 'none' ) {
+			newStyle.border.style = styleSelection;
+		}
+
+		// Restore previous border color selection if width is no longer zero
+		// and current border color is undefined.
+		if ( ! hasZeroWidth && borderColor === undefined ) {
+			borderPaletteColor = colorSelection;
+			newStyle.border.color = customColorSelection;
 		}
 
 		// If width was reset, clean out undefined styles.

packages/block-editor/src/hooks/border-width.js Outdated Show resolved Hide resolved
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I've given this another test and it is working well.

LGTM 🚢

The failing e2es and PHP unit tests appear unrelated. They are being addressed elsewhere so this should be right to merge soon.

If you deselect a color value before setting the width to zero, when
the width is changed to a non-zero value that color should not be
restored (because it was explicitly deselected). This was happening
because the state that tracked previous values would not update when
the value was set to undefined.
@stacimc stacimc force-pushed the fix/restoration-of-border-color-when-width-changed-from-zero branch from 54a944f to 639a146 Compare December 7, 2021 20:56
@stacimc stacimc merged commit e0c318d into trunk Dec 9, 2021
@stacimc stacimc deleted the fix/restoration-of-border-color-when-width-changed-from-zero branch December 9, 2021 18:55
@github-actions github-actions bot added this to the Gutenberg 12.2 milestone Dec 9, 2021
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Border panel: Deselected colors are reselected when setting a non-zero width
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