canSelectAll method
- @Deprecated('Use `contextMenuBuilder` instead. ' 'This feature was deprecated after v3.3.0-0.5.pre.')
- @override
- TextSelectionDelegate delegate
override
Whether the current selection of the text field managed by the given
delegate
can be extended to include the entire content of the text
field.
Subclasses can use this to decide if they should expose the select all functionality to the user.
Implementation
@Deprecated(
'Use `contextMenuBuilder` instead. '
'This feature was deprecated after v3.3.0-0.5.pre.',
)
@override
bool canSelectAll(TextSelectionDelegate delegate) {
// Android allows SelectAll when selection is not collapsed, unless
// everything has already been selected.
final TextEditingValue value = delegate.textEditingValue;
return delegate.selectAllEnabled &&
value.text.isNotEmpty &&
!(value.selection.start == 0 && value.selection.end == value.text.length);
}