fix: Fixes #8764 by moving the event grouping calls up to dragger.ts#8781
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RoboErikG merged 1 commit intoRaspberryPiFoundation:rc/v12.0.0from Feb 20, 2025
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…lls up to dragger.ts
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The failing test is the flakey connection test which was fixed in develop but hasn't been merged into V12 yet. |
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The basics
The details
Resolves
Fixes #8764
Proposed Changes
Moves the event group management up to dragger.ts instead of being handled in the various *_drag_strategy.ts files. Conceptually, this makes it the responsibility of the top level dragger to manage event groups and ensures that the group wraps all side effects of the drag.
In vanilla Blockly this shouldn't have any effect, but is necessary for the multi-select plugin used by AppInventor.
Also fixes a bug where snapping to the grid adds a move event that isn't part of the group.
Reason for Changes
AppInventor has a multi-select plugin that creates multiple BlockDragStrategy instances. This requires that endDrag be called on each one, which was causing the event group to be reset after the first one. Moving it up a level ensures all of the block drags finish before the event group is reset.
Test Coverage
Screen.recording.2025-02-19.12.39.26.PM.webm
Documentation
No documentation changes, but we should include it in the release notes that the behavior has changed and anyone overriding dragger.ts should make this change if they aren't calling through to the super.
Additional Information