FdcDataSetExtensions class abstract final

Dataset integration seam for extension packages.

Import this type through package:flutter_data_components/fdc_ext.dart. This type is public so it can be re-exported by fdc_ext.dart, but it is intended only for package-to-package integration. It is versioned with flutter_data_components and may evolve between package releases.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

clearQueryConstraint(FdcDataSet dataSet, {required Object owner}) → void

Removes the query constraint associated with owner.

fieldValueAt(FdcDataSet dataSet, int rowIndex, String fieldName) → Object?

Returns the raw value of fieldName at visible rowIndex.

refreshQueryConstraints(FdcDataSet dataSet) → Future<void>

Re-runs the dataset query after extension-owned constraints have changed.

registerBeforeScrollGuard(FdcDataSet dataSet, {required Object owner, required void guard()}) → void

Registers guard to run before the dataset changes its current record.

unregisterBeforeScrollGuard(FdcDataSet dataSet, {required Object owner}) → void

Removes the before-scroll guard registered by owner.

updateQueryConstraint(FdcDataSet dataSet, {required Object owner, required List<FdcDataSetFilter> filters, bool blocked = false}) → void

Adds or replaces an extension-owned query constraint.