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M7: add data tables beneath charts

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Add command and UI controls for chart data tables, shared chart and PDF rendering, and native XLSX persistence. Cover live values, blanks, formatting, alignment, undo/redo, bounds and table flags with regression tests.

Co-Authored-By: Codex <noreply@openai.com>
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campbellcody
2026-11-01 15:30:46 -05:00
co-authored by Codex
parent f5030432fc
commit b6c4500fa7
37 changed files with 560 additions and 18 deletions
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# Gaps
> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-31 · **Change:** minor (§13: Solver Options; earlier: §13: Solver Load/Save Model and Reset All) · **Target:** Microsoft Excel (Microsoft 365)
> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-11-01 · **Change:** minor (§4: chart data tables implemented with XLSX round-trip and print/PDF; earlier: §13: Solver Options; earlier: §13: Solver Load/Save Model and Reset All) · **Target:** Microsoft Excel (Microsoft 365)
Every known shortfall against Excel, one entry each, ranked by user impact (what blocks someone
using GridCraft for real work first). This is the work list: pick from the top, check the open
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### 4. Charts lose options on round trip; shallow chart model (F, FF)
- **Missing:** axis scaling, label options, error bars, per-point formatting.
- **Added:** data tables beneath column, bar, line, area and compatible combo charts, with legend keys, border controls, live source values, native XLSX round-trip and print/PDF.
- **Evidence:** `Chart` holds only title, legend position, two flags and axis titles
(`crates/model/src/features.rs`); PRs #158, #161 open; charts can't be resized (#190). Smooth lines (#62), Switch Row/Column (#116) and trendlines (read, written, drawn) landed. Multi-level category axes (year beside month) are read, drawn and written back.
(`crates/model/src/features.rs`); all 2-D kinds survive XLSX round trip (#158, #161); charts
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| Date | Change | Summary |
|---|---|---|
| 2026-11-01 | minor | §4: chart data tables implemented for column, bar, line, area and compatible combo charts, with legend keys and border settings, live source values, XLSX round-trip and print/PDF; other chart gaps remain. |
| 2026-10-31 | minor | §13: Solver Options (Max Evaluations, Integer Optimality and the Evolutionary options), saved with the model |
| 2026-10-31 | minor | §13: Solver Load/Save Model (`data.solverSaveModel`, `data.solverLoadModel`) and Reset All (`data.solverReset`), with buttons in the Solver Parameters dialog |
| 2026-10-24 | minor | §8: PivotTable Enable show details: `pivot.options` `enableShowDetails` turns Show Details off for a PivotTable, read and written in XLSX as `enableDrill` |