🚀 **ENTERPRISE EDITION!** Professional Features Suite

This is a MASSIVE release adding 16 enterprise-level features that transform ngxsmk-datatable into a complete business application platform!

🆕 New Features (v1.7.0)

📄 PDF Export Support

• PdfExportService: Advanced PDF generation with jsPDF integration
• Customizable templates (minimal, professional, colorful)
• Page orientation (portrait/landscape) and size options (A4, A3, letter, legal, tabloid)
• Custom headers and footers with templates
• Watermark support with opacity and rotation
• Logo embedding and branding
• Table styling with borders, alternating rows, and custom colors
• Auto-pagination with page numbers
• Compression support for smaller file sizes
• Print and download functionality

👥 Real-time Collaborative Editing

• CollaborativeEditingService: Multi-user editing with WebSocket
• Live cursor tracking and user presence
• Real-time operation broadcasting
• Conflict detection and resolution strategies
• Operational transformation (OT) support
• User avatars and color-coded cursors
• Auto-reconnect with exponential backoff
• Session management with user permissions
• Presence broadcasting with configurable intervals
• Sync and conflict resolution

📊 Advanced Charting Integration

• ChartingService: Inline visualizations and sparklines
• Sparkline charts (line, smooth, step)
• Bar charts with custom colors
• Bullet charts for KPI tracking
• Progress bars with status indicators
• Gauge charts (full, semi, arch)
• Mini charts in table cells
• Customizable colors, sizes, and animations
• Tooltips and value labels
• Theme support (light, dark, auto)

🧮 Custom Formula Support

• FormulaService: Excel-like calculations
• 30+ built-in functions (SUM, AVERAGE, IF, VLOOKUP, etc.)
• Math functions (ROUND, ABS, SQRT, POW, MIN, MAX)
• String functions (CONCAT, UPPER, LOWER, TRIM, LEFT, RIGHT)
• Date functions (NOW, TODAY, YEAR, MONTH, DAY, DATEDIFF)
• Logical functions (IF, AND, OR, NOT, ISNULL)
• Statistical functions (MEDIAN, MODE, STDEV, VAR, PERCENTILE)
• Computed columns with dependencies
• Circular reference detection
• Formula caching for performance
• Custom function registration
• Row and aggregate calculations

📅 Alternative View Modes

• ViewModesService: Gantt, Calendar/Timeline, and Kanban views
• Gantt Chart: Project timeline visualization with task dependencies
• Calendar View: Event scheduling with month/week/day/agenda views
• Kanban Board: Drag-and-drop task management with columns
• Timeline View: Chronological event display
• Seamless switching between table and alternative views
• View-specific configurations and customizations
• Data transformation for each view mode
• Touch-friendly mobile interactions

🎨 Advanced Theming System

• ThemingService: Complete visual customization
• Theme builder with live preview
• 11 predefined themes (Material, Bootstrap, Fluent, etc.)
• Custom color schemes and palettes
• Typography customization (fonts, sizes, weights)
• Spacing and layout controls
• Border and shadow customization
• CSS variable generation
• Theme import/export functionality
• Auto dark mode support
• Component-specific overrides

🔌 Plugin System

• PluginService: Extensible architecture
• Plugin lifecycle management (register, initialize, destroy)
• Hook system for extending functionality
• Before/after hooks for data, render, sort, filter, edit, export
• Plugin API for custom methods
• Event emitter for plugin communication
• Plugin storage API with localStorage
• Dependency management
• Plugin validation and error handling
• Sandbox mode for security
• Plugin metadata and statistics

📦 Batch Operations

• BatchOperationsService: Bulk editing and mass operations
• Bulk edit with multiple field updates
• Bulk delete with soft delete support
• Find and replace operations
• Mathematical operations (increment, decrement)
• String operations (append, prepend)
• Progress tracking for large operations
• Confirmation dialogs
• Undo/redo support with history
• Custom batch operations
• Error handling and reporting
• Operation throttling for performance

✅ Advanced Data Validation

• ValidationService: Comprehensive validation rules
• 15+ built-in validators (required, email, URL, numeric, etc.)
• Pattern matching with regex
• Min/max value and length validation
• Phone number and date validation
• Unique value checking
• Custom validation functions
• Async validation support
• Field and row-level validation
• Real-time validation (immediate, onBlur, onSubmit)
• Inline error messages
• Validation summary
• Prevent invalid data save

🎯 Conditional Formatting

• ConditionalFormattingService: Dynamic cell styling
• Value-based formatting rules
• Range and threshold conditions
• Top/bottom N and percentile formatting
• Above/below average highlighting
• Duplicate and unique value detection
• Data bars with gradients
• Color scales (2-color and 3-color)
• Icon sets (arrows, traffic lights, ratings)
• Custom CSS and classes
• Rule priority system
• Format caching for performance
• Column statistics calculation

📌 Frozen Rows & Columns

• Freeze header rows (sticky header)
• Freeze footer rows (sticky footer)
• Freeze left columns
• Freeze right columns
• Custom frozen row positions
• Configurable z-index and shadows
• Separator lines for frozen sections
• Allow/prevent unfreezing
• Smooth scrolling with frozen elements

📑 Multiple Sheet Support

• SheetsService: Excel-like multi-sheet functionality
• Tab-based sheet navigation
• Add, delete, rename, duplicate sheets
• Sheet reordering with drag-and-drop
• Sheet protection and visibility
• Active sheet management
• Sheet templates
• Cross-sheet references
• Sheet-specific configurations
• Context menu for sheet operations
• Modified sheet tracking
• Maximum sheet limits

📥 Data Import Wizard

• DataImportService: Import from CSV, Excel, JSON
• Multi-step import wizard
• File format auto-detection
• CSV parsing with custom delimiters
• JSON path extraction
• Excel sheet selection (requires xlsx library)
• Column mapping interface
• Data preview before import
• Transform functions
• Data validation on import
• Error and warning reporting
• Progress tracking
• Import templates
• Multiple import modes (replace, append, merge)

📱 Mobile App Integration

• MobileIntegrationService: Ionic and Capacitor support
• Platform detection (iOS, Android, Web)
• Touch gesture support (swipe, long-press, pinch-zoom, pull-to-refresh)
• Native camera integration
• Share API integration
• Clipboard API
• Haptic feedback
• Toast notifications
• Network status monitoring
• App state management
• Offline mode support
• Touch-optimized UI
• Status bar configuration
• Safe area handling
• Performance optimizations for mobile

📝 API Changes

New Services

• PdfExportService
• CollaborativeEditingService
• ChartingService
• FormulaService
• ViewModesService
• ThemingService
• PluginService
• BatchOperationsService
• ValidationService
• ConditionalFormattingService
• DataImportService
• SheetsService
• MobileIntegrationService

New Interfaces

• PDF Export: PdfExportOptions, PdfExportResult, PdfTemplate
• Collaboration: CollaborativeEditingConfig, CollaborativeUser, CollaborativeOperation
• Charting: ChartingConfig, ColumnChartConfig, SparklineOptions
• Formulas: FormulaConfig, FormulaExpression, ComputedColumn
• View Modes: GanttConfig, CalendarConfig, KanbanConfig
• Theming: ThemeConfig, ThemeColors, ThemeExport
• Plugins: Plugin, PluginContext, PluginHooks
• Batch Ops: BatchOperation, BatchOperationResult, BulkEditOperation
• Validation: ValidationRule, ValidationResult, ValidationContext
• Formatting: ConditionalFormattingRule, CellFormat, FormattingContext
• Frozen: FrozenRowsConfig, FrozenColumnsConfig
• Sheets: Sheet, SheetTemplate, SheetOperation
• Import: ImportOptions, ImportResult, ColumnMapping
• Mobile: MobileIntegrationConfig, TouchGestureConfig, OfflineModeConfig

🔧 Dependencies

Peer Dependencies (Optional)

• jspdf and jspdf-autotable for PDF export
• xlsx or exceljs for Excel import
• @capacitor/camera, @capacitor/share, @capacitor/clipboard for mobile features
• WebSocket server for collaborative editing

💡 Usage Examples

See updated documentation for complete examples of all new features.

🎯 Breaking Changes

None - All new features are opt-in and backward compatible.