selectable_items

Description:

selectable items

selectable_items is the package that provides the type SelectableItems, which encapsulates a list of items and a selected one. Note that it is immutable.
Features #
N / A
Getting started #
This package depends on the freezed and freezed_annotation package.
Usage #
Initialize #
final selectedItems = SelectableItems(
currentIndex: 0,
items: [1, 2, 3, 4, 5],
)
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Get the current item #
print(selectableItems.currentItem); // 1
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Selects an item #
final newSelectedItems = selectedItems.selectItem(2);
print(newSelectedItems.currentItem); // 3
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Inserts an item #
By default, insertItem inserts an item to the end of the list and set the current item index to the end of list. When given an index, it inserts the item to the specified index and sets the current item index to the given index.
final newSelectedItems = selectedItems.insertItem(10);
print(newSelectedItems.items); // [1, 2, 3, 4, 5, 10]
print(newSelectedItems.currentItem); // 10
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Deletes an item #
Deletes the item at the specified index.
final newSelectedItems = selectedItems.deleteItem(2);
print(newselectedItems.items); // [1, 2, 4, 5];
print(newSelectedItems.currentItem); // 2
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Modifies an item #
final newSelectedItems = selectedItems.modifyItem(0, 10);
print(newselectedItems.items); // [10, 2, 3, 4, 5];
print(newSelectedItems.currentItem); // 10
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Additional information #
N/A