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Layout Persistence

Layout persistence connects grid layout capture and restore to application-defined storage.

FdcProGrid(
  dataSet: customers,
  layoutPersistence: FdcGridLayoutPersistence(
    autoLoad: true,
    autoSave: true,
    load: loadGridLayout,
    save: saveGridLayout,
    delete: deleteGridLayout,
  ),
)

Storage remains under application control. The persistence feature receives and returns FdcGridLayoutState values through the callbacks.

Auto-save delay​

FdcGridLayoutPersistence(
  autoSave: true,
  autoSaveDelay: const Duration(milliseconds: 500),
  save: saveGridLayout,
)

Automatic saves are debounced after layout changes.

Reset through the controller​

await controller.resetLayout();

Reset restores the configured default layout and asks the persistence feature to delete the stored snapshot.