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group_button_base.dart
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group_button_base.dart
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// ignore_for_file: deprecated_member_use_from_same_package
import 'package:flutter/material.dart';
import 'package:group_button/group_button.dart';
import 'package:group_button/src/group_button_body.dart';
class GroupButton<T> extends StatelessWidget {
const GroupButton({
Key? key,
required this.buttons,
this.onSelected,
this.controller,
this.options = const GroupButtonOptions(),
this.isRadio = true,
this.buttonIndexedBuilder,
this.buttonBuilder,
this.buttonIndexedTextBuilder,
this.buttonTextBuilder,
this.enableDeselect = false,
this.maxSelected,
@Deprecated(
'Use GroupButtonController onDisabledButtonPressed field '
'This feature was deprecated after version 4.6.0 ',
)
this.onDisablePressed,
}) : assert(
maxSelected != null ? maxSelected >= 0 : true,
'maxSelected must not be negative',
),
assert((buttonBuilder == null && buttonIndexedBuilder == null) ||
!(buttonBuilder != null && buttonIndexedBuilder != null)),
super(key: key);
/// [String] list that will be displayed on buttons in the [GroupButton]
final List<T> buttons;
/// Callback [Function] works by clicking on a group element
///
/// Return int [index] of selected button and [isSelected] if [isRadio] = false
final Function(T value, int index, bool isSelected)? onSelected;
/// Callback [Function] works by clicking on a disabled group element
///
/// Return int [index] of selected button
@Deprecated(
'Use GroupButtonController onDisabledButtonPressed field '
'This feature was deprecated after version 4.6.0 ',
)
final Function(int index)? onDisablePressed;
/// bool variable for switching between modes [CheckBox] and [Radio]
///
/// if the [isRadio] = true, only one button can be selected
/// if the [isRadio] = false, you can select several at once
final bool isRadio;
/// bool variable for enable radio button to be deselected
///
/// * if the [isRadio] = true :
/// - if the [enableDeselect] = true , the selected radio button can be deselected
/// - if the [enableDeselect] = false , the selected radio button can't be deselected
///
/// * if the [isRadio] = false:
/// - [enableDeselect] have no effect
final bool? enableDeselect;
/// int variable for setting max selected buttons for [CheckBox]
///
/// [maxSelected] must not be negative.
final int? maxSelected;
/// Controller to making widget logic
final GroupButtonController? controller;
/// UI settings of package
final GroupButtonOptions options;
/// Custom builder method to create
/// Your own custom buttons by button [int] index
final GroupButtonIndexedBuilder? buttonIndexedBuilder;
/// Custom builder method to create
/// Your own custom buttons by button [T] value
final GroupButtonValueBuilder<T>? buttonBuilder;
/// This is a custom builder method that
/// allows you to set your own custom text for buttons based on their [index].
///
/// If you do not set up [buttonIndexedBuilder] and [buttonBuilder],
/// the text will be displayed on top of the button.
final GroupButtonIndexedTextBuilder? buttonIndexedTextBuilder;
/// This is a custom builder method that
/// allows you to set your own custom text for buttons based on their [value].
///
/// If you do not set up [buttonIndexedBuilder] and [buttonBuilder],
/// the text will be displayed on top of the button.
final GroupbuttonTextBuilder<T>? buttonTextBuilder;
@override
Widget build(BuildContext context) {
return GroupButtonBody<T>(
controller: controller,
buttons: buttons,
onSelected: onSelected,
onDisablePressed: onDisablePressed,
isRadio: isRadio,
buttonIndexedBuilder: buttonIndexedBuilder,
buttonBuilder: buttonBuilder,
buttonIndexedTextBuilder: buttonIndexedTextBuilder,
buttonTextBuilder: buttonTextBuilder,
enableDeselect: enableDeselect,
maxSelected: maxSelected,
/// Options
direction: options.direction,
spacing: options.spacing,
runSpacing: options.runSpacing,
selectedTextStyle: options.selectedTextStyle,
unselectedTextStyle: options.unselectedTextStyle,
selectedColor: options.selectedColor,
unselectedColor: options.unselectedColor,
selectedBorderColor: options.selectedBorderColor,
unselectedBorderColor: options.unselectedBorderColor,
borderRadius: options.borderRadius,
borderWidth: options.borderWidth,
selectedShadow: options.selectedShadow,
unselectedShadow: options.unselectedShadow,
tappingShadowColor: options.tappingShadowColor,
buttonWidth: options.buttonWidth,
buttonHeight: options.buttonHeight,
mainGroupAlignment: options.mainGroupAlignment,
crossGroupAlignment: options.crossGroupAlignment,
groupRunAlignment: options.groupRunAlignment,
groupingType: options.groupingType,
textAlign: options.textAlign,
textPadding: options.textPadding,
alignment: options.alignment,
elevation: options.elevation,
);
}
}