fitgrid_plus 0.1.0

High-performance virtualized canvas Flutter DataGrid with DevExtreme editing (cell, row, modal form), dynamic Pivot Grids, banded headers, Excel export, and mobile card feed.

Changelog

0.1.0

• Initial standalone release of fitgrid_plus.
• Integrated low-level high-performance canvas table virtualization engine (fitgrid_table).
• Added DevExtreme-style editing suite: inline cell editing, inline row editing, and modal form popup dialogs with validation and lifecycle hooks.
• Added Dynamic Pivot Grids with banded column headers, tree grouping, and moveable canvas split charts (grouped bar, column, line trend, donut).
• Added multi-level hierarchical grouping with draggable chip panel.
• Added pure Dart Excel (.xlsx), CSV, TSV, and JSON import and export.
• Added responsive Mobile Card / Feed view with swipe actions.
• Added rectangular cell range selection with instant statistical summaries (Count, Sum, Avg, Min, Max) and clipboard TSV copy.
• Added conditional formatting (data bars, color scale heatmaps, cell highlight badges, row colors).
• Added deterministic data quality auditor and 1-click anomaly cleaner.
• Added SharedPreferences layout and settings persistence.
• Zero AI/LLM/MCP overhead.