drag_select_grid_view 0.3.0

Grid that supports both dragging and tapping to select its items.

[0.3.0] - 08/08/2020

• Breaking change. Fix the constructor of Selection, which now creates a copy of the received Set. Consequently, the constructor is no longer constant. To keep Selection.empty constant, another constructor has been created: Selection.empty().
• Breaking change. Make DragSelectGridViewController extend ValueNotifier instead of ChangeNotifier. The getter and setter selection are now ValueNotifier's default: value.
• Support initial selection (#14).

[0.2.1] - 28/07/2020

• Fix DragSelectGridViewController dispose (#13).

[0.2.0] - 05/04/2020

• Improve code safety with asserts.
• Remove author section from pubspec.yaml.

[0.1.1] - 26/10/2019

• Update authors.

[0.1.0] - 06/10/2019

• Initial release.