diff --git a/.planning/STATE.md b/.planning/STATE.md index f10e99a..3b40d75 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -4,21 +4,21 @@ **Core Value:** Drag-and-drop that operates on semantic positions (day + sortOrder), not row indices - so user intent is preserved across data reloads. -**Current Focus:** Phase 2 Complete - Ready for Phase 3 (Visual Flattening) +**Current Focus:** Phase 4 Plan 1 Complete - Modern drag-drop delegates with lift animation and haptics ## Current Position -**Phase:** 2 of 4 (Constraint Validation) - COMPLETE -**Plan:** 2 of 2 complete -**Status:** Phase complete -**Last activity:** 2026-01-18 - Completed 02-02-PLAN.md +**Phase:** 4 of 4 (Drag Interaction) +**Plan:** 1 of 2 complete +**Status:** In progress +**Last activity:** 2026-01-18 - Completed 04-01-PLAN.md ``` -Progress: [####------] 50% +Progress: [########--] 87.5% Phase 1: [##########] 100% (2/2 plans) COMPLETE Phase 2: [##########] 100% (2/2 plans) COMPLETE -Phase 3: [----------] Not Started -Phase 4: [----------] Not Started +Phase 3: [##########] 100% (2/2 plans) COMPLETE +Phase 4: [#####-----] 50% (1/2 plans) ``` ## Performance Metrics @@ -26,9 +26,9 @@ Phase 4: [----------] Not Started | Metric | Value | |--------|-------| | Total Requirements | 23 | -| Completed | 12 | -| Current Phase | 2 (complete) | -| Plans Executed | 4 | +| Completed | 20 | +| Current Phase | 4 (in progress) | +| Plans Executed | 7 | ## Accumulated Context @@ -47,6 +47,14 @@ Phase 4: [----------] Not Started | LocalItineraryItem conversion for testing | Avoids #Predicate macro issues with local captures | 01-02 | | Edge case tests cover all boundaries | Day 0, beyond trip, exact sortOrder, negative/large values | 02-02 | | Success criteria verification tests | Tests named 'success_*' directly verify ROADMAP criteria | 02-02 | +| Day headers not positioned items | Always first in each day, not part of sortOrder-based ordering | 03-01 | +| Flattener is pure function | No instance state, no side effects for easy testing and determinism | 03-01 | +| gamesByDay dictionary for flattener | Built in reloadData() to pass to flattener | 03-01 | +| success_* test naming convention | Maps tests directly to ROADMAP success criteria | 03-02 | +| Modern drag delegates for custom previews | UITableViewDragDelegate/UITableViewDropDelegate enable lift animation | 04-01 | +| DragContext for session state | Store drag state in session.localContext for access across delegates | 04-01 | +| Lift animation: 1.025x scale, 2-deg tilt | iOS Reminders-style quick/snappy lift per CONTEXT.md | 04-01 | +| Dual haptic generators (light/medium) | Prepare both at drag start for reduced latency | 04-01 | ### Learned @@ -58,12 +66,21 @@ Phase 4: [----------] Not Started - 50 midpoint insertions maintain distinct sortOrder values before precision loss - ItineraryConstraints provides isValidPosition(), validDayRange(), barrierGames() for drag validation - Travel sortOrder constraints: must be AFTER (not equal to) departure game sortOrder +- ItineraryFlattener.flatten() is the single source of truth for display ordering +- 13 tests now verify deterministic flattening behavior +- Modern drag delegates require holistic implementation (can't separate lift/haptics from delegates) +- CATransform3D with m34 perspective creates convincing 3D lift effect +- Snapshot-based animation avoids modifying actual cell during drag ### TODOs - [x] Create tests for semantic position persistence (Plan 01-02) - COMPLETE - [x] Migrate constraint tests to Swift Testing (Plan 02-01) - COMPLETE - [x] Add edge case tests and API documentation (Plan 02-02) - COMPLETE +- [x] Create ItineraryFlattener utility (Plan 03-01) - COMPLETE +- [x] Add flattening tests (Plan 03-02) - COMPLETE +- [x] Migrate to modern drag-drop delegates (Plan 04-01) - COMPLETE +- [ ] Add insertion line and invalid zone feedback (Plan 04-02) - NEXT ### Blockers @@ -71,24 +88,29 @@ None currently. ## Session Continuity -**Last Session:** 2026-01-18T21:13:45Z -**Stopped at:** Completed 02-02-PLAN.md (Phase 2 complete) -**Resume file:** .planning/phases/03-visual-flattening/03-01-PLAN.md +**Last Session:** 2026-01-18T22:44:26Z +**Stopped at:** Completed 04-01-PLAN.md +**Resume file:** None ### Context for Next Session -Phase 2 complete with 22 constraint tests covering: -- CONS-01: Games cannot move (2 tests) -- CONS-02: Travel day range constraints (3 tests) -- CONS-03: Travel sortOrder constraints (5 tests) -- CONS-04: Custom item flexibility (2 tests) -- Edge cases: 8 tests -- Success criteria: 3 tests -- Barrier games: 1 test +Phase 4 Plan 1 complete: +- Migrated to UITableViewDragDelegate/UITableViewDropDelegate +- Implemented lift animation with scale (1.025x), shadow, and tilt (2 degrees) +- Added dual haptic feedback (light grab, medium drop) +- Created DragContext class for drag session state -API documentation ready for Phase 4 at CONSTRAINT-API.md. +Requirements completed in 04-01: +- DRAG-01: Lift animation on grab (shadow + slight scale) +- DRAG-06: Haptic feedback on grab (light) and drop (medium) +- DRAG-08: Slight tilt during drag (2-3 degrees) -Ready to start Phase 3: Visual Flattening (sortOrder-based flattening, deterministic ordering). +Ready for 04-02: Themed insertion line, invalid zone feedback, snap-back animation +- DRAG-02: Insertion line showing drop target +- DRAG-03: Items shuffle during drag +- DRAG-04: Magnetic snap on drop +- DRAG-05: Invalid drops with snap-back +- DRAG-07: Auto-scroll at viewport edge --- *State initialized: 2026-01-18* diff --git a/.planning/phases/04-drag-interaction/04-01-SUMMARY.md b/.planning/phases/04-drag-interaction/04-01-SUMMARY.md new file mode 100644 index 0000000..049ba7f --- /dev/null +++ b/.planning/phases/04-drag-interaction/04-01-SUMMARY.md @@ -0,0 +1,140 @@ +--- +phase: 04-drag-interaction +plan: 01 +subsystem: ui +tags: [drag-drop, uitableview, haptics, animations, uikit] + +# Dependency graph +requires: + - phase: 03-visual-flattening + provides: ItineraryFlattener.flatten() for row-to-semantic translation +provides: + - UITableViewDragDelegate/UITableViewDropDelegate implementation + - Lift animation with scale, shadow, and tilt + - Haptic feedback for grab and drop + - DragContext for tracking drag state +affects: [04-02] + +# Tech tracking +tech-stack: + added: [] + patterns: + - "Modern drag delegates (UITableViewDragDelegate/UITableViewDropDelegate) for custom previews" + - "DragContext class for drag session state management" + - "Snapshot-based lift animation with CATransform3D" + +key-files: + created: [] + modified: + - SportsTime/Features/Trip/Views/ItineraryTableViewController.swift + +key-decisions: + - "Tasks 2-3 completed as part of Task 1 - delegate pattern required holistic implementation" + - "Lift animation parameters: 1.025x scale, 2-degree tilt, 0.25 shadow opacity" + - "Animation timing: 0.15s lift, 0.2s drop, spring damping 0.85/0.8" + - "Separate haptic generators: light for grab, medium for drop" + +patterns-established: + - "DragContext: Store drag state in session.localContext for access across delegate methods" + - "Snapshot-based animations: Create UIView snapshot for custom lift/drop effects" + - "Dual haptic generators: Prepare both at drag start for reduced latency" + +# Metrics +duration: 3min +completed: 2026-01-18 +--- + +# Phase 4 Plan 1: Modern Drag-Drop Delegates Summary + +**Modern UITableViewDragDelegate/UITableViewDropDelegate with iOS Reminders-style lift animation (1.025x scale, 2-degree tilt) and dual haptic feedback (light grab, medium drop)** + +## Performance + +- **Duration:** 3 min +- **Started:** 2026-01-18T22:41:34Z +- **Completed:** 2026-01-18T22:44:26Z +- **Tasks:** 3 (completed in single commit due to code interdependency) +- **Files modified:** 1 + +## Accomplishments + +- Migrated from legacy reordering to modern UITableViewDragDelegate/UITableViewDropDelegate +- Implemented custom lift animation with scale (1.025x), shadow, and 3D tilt (2 degrees) +- Added dual haptic feedback: light on grab, medium on successful drop +- Created DragContext class for managing drag session state across delegate methods +- Integrated existing constraint validation logic (computeValidDestinationRowsProposed, nearestValue) + +## Task Commits + +All three tasks were completed in a single commit because the modern drag delegate pattern requires the lift animation and haptic feedback to be implemented together with the delegate methods: + +1. **Task 1: Migrate to Modern Drag-Drop Delegates** - `749ca30` (feat) +2. **Task 2: Implement Lift Animation** - included in `749ca30` (code interdependency) +3. **Task 3: Add Haptic Feedback** - included in `749ca30` (code interdependency) + +**Plan metadata:** (pending) + +## Files Created/Modified + +- `SportsTime/Features/Trip/Views/ItineraryTableViewController.swift` - Added 364 lines: + - DragContext class for drag state management + - UITableViewDragDelegate extension (itemsForBeginning, dragPreviewParametersForRowAt, dragSessionWillBegin, dragSessionDidEnd) + - UITableViewDropDelegate extension (performDropWith, dropSessionDidUpdate, dropSessionDidEnd) + - Lift Animation Helpers extension (createLiftedSnapshot, animateLift, animateDrop) + - New properties: lightHaptic, mediumHaptic, currentDragContext + +## Decisions Made + +1. **Unified implementation of Tasks 1-3** - The modern drag delegate pattern inherently requires lift animation and haptic feedback to be implemented as part of the delegate methods. Separating them into atomic commits would have required artificial refactoring steps that don't match how the code naturally fits together. + +2. **Animation parameters per CONTEXT.md:** + - Scale: 1.025 (middle of 1.02-1.03 range) + - Tilt: 2 degrees around Y axis + - Shadow: offset (0, 8), radius 16, opacity 0.25 + - Lift duration: 0.15s with spring damping 0.85 + - Drop duration: 0.2s with spring damping 0.8 + +3. **Dual haptic generators** - Created separate UIImpactFeedbackGenerator instances for light (grab) and medium (drop) to allow both to be prepared at drag start for reduced latency. + +4. **DragContext stored in session.localContext** - Allows access to drag state across all delegate methods without relying on instance variables that could be stale. + +## Deviations from Plan + +### Implementation Structure + +**Tasks 2-3 completed as part of Task 1** +- **Issue:** Plan assumed incremental implementation, but delegate pattern requires holistic approach +- **Resolution:** Implemented all three tasks together in single cohesive commit +- **Impact:** Same functionality delivered, single commit instead of three +- **Verification:** Build succeeded, all features present (lift animation, haptics, constraints) + +--- + +**Total deviations:** 1 (implementation structure) +**Impact on plan:** No missing functionality. All DRAG-01, DRAG-06, DRAG-08 requirements implemented. Code is cleaner than artificial separation would have been. + +## Issues Encountered + +None - implementation proceeded smoothly with existing constraint validation infrastructure. + +## User Setup Required + +None - no external service configuration required. + +## Next Phase Readiness + +**Ready for Plan 04-02:** +- Foundation for insertion line feedback established (UIDragPreviewParameters with rounded corners) +- Constraint validation integrated (validDestinationRowsProposed checked in dropSessionDidUpdate) +- Zone transition haptics preserved from existing code +- Remaining work: themed insertion line, invalid zone red tint, snap-back animation + +**Requirements status after this plan:** +- DRAG-01: Lift animation on grab - IMPLEMENTED +- DRAG-06: Haptic feedback (light/medium) - IMPLEMENTED +- DRAG-08: Slight tilt during drag - IMPLEMENTED +- Foundation established for DRAG-02 through DRAG-05 + +--- +*Phase: 04-drag-interaction* +*Completed: 2026-01-18*