fix(gui): preserve items dropped during placeholder window - #1693
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chhoumann wants to merge 3 commits into
Closed
fix(gui): preserve items dropped during placeholder window#1693chhoumann wants to merge 3 commits into
chhoumann wants to merge 3 commits into
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- Restore the pre-drag order when mobile drops omit the dragged item - Add regression coverage for macro and choice lists
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (4)
Included review availability: Your plan provides up to 8 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughThe drag-and-drop lists use shared placeholder recovery. If finalization omits the dragged item, each list reinserts it at the latest placeholder position. Genuine reorders remain unchanged, cross-zone moves remove the item, and drop animations are disabled. ChangesPlaceholder-window drag handling
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The PR fixes mobile placeholder-window drops while preserving reorder and cross-zone behavior. No actionable merge-blocking risk remains; only a localized formatting follow-up is still outstanding. Sequence Diagram(s)sequenceDiagram
participant User
participant DnD as svelte-dnd-action
participant List as CommandList or ChoiceList
participant Recovery as capturePlaceholderRecovery
User->>DnD: drag item
DnD->>List: dispatch consider event
List->>Recovery: capture placeholder recovery
Recovery-->>List: return item and latest index
DnD->>List: dispatch finalize event
List->>List: restore missing item or commit move
Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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🧪 Generate unit tests (beta)
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Actionable comments posted: 1
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Inline comments:
In `@src/gui/choiceList/ChoiceList.svelte`:
- Around line 97-115: Replace leading space indentation with tabs in the changed
Svelte code, including the blocks around preDragChoices and the corresponding
lines 126–143, while preserving logic and LF line endings.
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ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro Plus
Run ID: 6c34fcc5-ad2c-4bb8-baca-9add2ada95d2
📒 Files selected for processing (4)
src/gui/MacroGUIs/CommandList.placeholderDrop.test.tssrc/gui/MacroGUIs/CommandList.sveltesrc/gui/choiceList/ChoiceList.crosszone.test.tssrc/gui/choiceList/ChoiceList.svelte
Included review availability: Your plan provides up to 8 included reviews per hour; 7 remain after this review.
…he placeholder window Two review findings on the placeholder-window recovery: - Disable the library's drop animation (it was already invisible at flipDurationMs 0). Its finalize-time animation-target lookup reads children[originIndex], which throws when the LAST row is dropped during the placeholder window (the strip left the zone one child short) - the finalize never fired, cleanup never ran, and the row stayed missing from state until the tab was rebuilt. Reproduced and re-verified on the Android emulator. - Track the index the stripped placeholder last occupied and re-insert the dragged item there on recovery, instead of restoring the whole pre-drag order: the first DRAGGED_ENTERED (still placeholder-id) can already carry the user's intended position, and a full restore silently cancelled it.
…tself The stripped shadow is a spread-copy of the dragged item, so the recovery can reconstruct it (real id restored, library marker dropped) instead of looking it up in a DRAG_STARTED snapshot. One shared capturePlaceholderRecovery replaces the per-list snapshot + index pair, and the recovery becomes zone-agnostic: it also covers a destination zone that receives a placeholder-id shadow, which has no pre-drag snapshot of its own (unreachable through the real pointer path's timing, but now handled uniformly rather than by assumption).
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Summary
Prevent mobile drag-and-drop operations from deleting commands or choices when a drop occurs before the placeholder is replaced with the dragged item.
Changes
Testing / validation
svelte-dnd-actionevent payloads under mobile emulation.Checklist
Summary by CodeRabbit