Clear Nest removes every plate after the first and empties the remaining
plate (parts, cut-offs, repeat quantity), keeping nest metadata and the
first plate's configuration. It asks first, defaulting to No, and refuses
while nesting, a fill, a busy plate action or a database save is running.
The menu item is enabled only when there is something to clear.
Without this, RemoveEmptyPlates would destroy the sentinel with no
recovery, and tail-plate subscriptions would go stale after plate list
mutations. Added tests for both scenarios.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
OnPlateAdded now navigates to the new plate when suppressNavigation is
false, matching the original EditNestForm behavior. Fixed CanRemoveCurrent
test to account for this auto-navigation.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- EnsureSentinel() maintains exactly one trailing empty plate, suppressing navigation events during mutation
- Reactive tail subscriptions (PartAdded/PartRemoved on last two plates) call EnsureSentinel automatically; re-subscribed after each plate list change
- BeginBatch()/EndBatch() defers sentinel enforcement during bulk operations
- GetOrCreateEmpty() returns or creates an empty plate; RemoveCurrent() removes the current plate with index clamping; CanRemoveCurrent guards deletion
- 13 new tests (30 total PlateManager tests), all passing
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Introduces PlateChangedEventArgs and PlateManager in OpenNest.Core to centralize plate navigation logic (CurrentIndex, LoadFirst/Last/Next/Previous/At, IsFirst/IsLast). Includes full xUnit test coverage (17 tests) verifying navigation, event firing, and disposal unsubscription.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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