Added #

Core Widget - FluentAutoSuggestBox

• FluentAutoSuggestBox<T> - Main autocomplete widget with generic type support
• FluentAutoSuggestBox.form() - Form-enabled constructor with validation support
• Debounced search with configurable delay (default: 300ms)
• Minimum search length requirement to prevent unnecessary searches
• Custom item builders for full control over suggestion rendering
• Custom sorter function for controlling match logic
• Loading and error state builders
• Overlay direction control (above/below)
• Clear button toggle
• Keyboard type and input formatters support

State Management - AutoSuggestController

• AutoSuggestController<T> - Centralized state management
• Debounce timer management
• Loading/error state tracking
• Overlay visibility control
• Recent searches history with configurable limit
• Search metrics and statistics (success rate, total searches)
• getStats() method for performance monitoring
• Proper disposal and cleanup

Caching System - SearchResultsCache

• SearchResultsCache<T> - LRU cache implementation
• Time-To-Live (TTL) expiration for cached entries
• Automatic LRU eviction when cache is full
• Prefix matching for better cache hit rates
• Cache statistics (hit rate, size, evictions)
• CacheStats class for detailed metrics

Item Model - FluentAutoSuggestBoxItem

• Generic type support for any data model
• Label and custom child widget support
• Subtitle widget for additional information
• Selection state tracking
• Focus change callbacks
• Semantic labels for accessibility
• Enabled/disabled state

Overlay System - AutoSuggestOverlay

• Smooth overlay positioning with CompositedTransformFollower
• Race condition prevention for async searches
• Automatic scroll to selected item
• Loading indicator during server search
• Empty state with helpful message
• Bidirectional display support

Keyboard Navigation

• Arrow Up/Down for item selection
• Enter to confirm selection
• Escape to close overlay
• Tab/Shift+Tab for focus navigation
• Keyboard shortcuts for advanced search

Advanced Search Dialog

• AdvancedSearchDialog<T> - Full-featured search dialog
• AdvancedSearchDialog.show() - Single selection mode
• AdvancedSearchDialog.showMultiSelect() - Multi-selection mode
• Three view modes: List, Grid, Compact
• Custom filter builder support
• Search statistics display
• Pagination support
• Custom animations with configurable duration and curves
• Keyboard shortcut trigger (default: F3)

Configuration Classes

• AdvancedSearchConfig - Main dialog configuration
• AdvancedSearchTheme - Visual theming (colors, spacing, radius)
• AdvancedSearchIcons - Icon customization
• AdvancedSearchLayout - Layout dimensions
• AdvancedSearchAnimation - Animation settings

Common Utilities

• FluentTextField - Fluent-styled text field wrapper
• FluentTextFormField - Form field with validation support
• ValidatorFormField - Custom form field with error display

Performance Optimizations

• Reduced widget rebuilds (only when necessary)
• Efficient memory usage with proper disposal
• Smart caching with prefix matching
• Debouncing to minimize API calls
• Race condition prevention for async operations

Accessibility

• Semantic labels throughout
• Screen reader support
• Proper focus management
• ARIA-like attributes

BLoC/Cubit State Management

• FluentAutoSuggestBoxCubit<T> - Cubit for managing FluentAutoSuggestBox state
• FluentAutoSuggestBoxState<T> - State class with:
  • items - List of suggestion items
  • selectedItem - Currently selected item
  • text - Current input text
  • isLoading - Loading state
  • error - Error object
  • isEnabled / isReadOnly - Widget state
• Item management methods: setItems, addItem, addItems, removeItem, clearItems
• Selection methods: selectItem, selectByValue, selectByIndex, clearSelection
• State methods: setLoading, setError, clearError, setEnabled, setReadOnly
• Helper methods: reset, clear, search, getItemAt, getItemByValue

Dependencies #

• fluent_ui: ^4.13.0 - Fluent UI design system
• flutter_bloc: ^8.1.6 - BLoC state management
• equatable: ^2.0.5 - Value equality for states
• gap: ^3.0.1 - Spacing utilities

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Future Releases #

Planned Features

• Pagination support for large datasets
• RTL language improvements
• Voice search support
• Grouped suggestions
• Inline suggestions (ghost text)