419 lines
14 KiB
Dart
419 lines
14 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:flutter_colorpicker/flutter_colorpicker.dart';
|
|
|
|
const List<Color> colors = [
|
|
Colors.red,
|
|
Colors.pink,
|
|
Colors.purple,
|
|
Colors.deepPurple,
|
|
Colors.indigo,
|
|
Colors.blue,
|
|
Colors.lightBlue,
|
|
Colors.cyan,
|
|
Colors.teal,
|
|
Colors.green,
|
|
Colors.lightGreen,
|
|
Colors.lime,
|
|
Colors.yellow,
|
|
Colors.amber,
|
|
Colors.orange,
|
|
Colors.deepOrange,
|
|
Colors.brown,
|
|
Colors.grey,
|
|
Colors.blueGrey,
|
|
Colors.black,
|
|
];
|
|
|
|
class BlockColorPickerExample extends StatefulWidget {
|
|
const BlockColorPickerExample({
|
|
Key? key,
|
|
required this.pickerColor,
|
|
required this.onColorChanged,
|
|
required this.pickerColors,
|
|
required this.onColorsChanged,
|
|
required this.colorHistory,
|
|
}) : super(key: key);
|
|
|
|
final Color pickerColor;
|
|
final ValueChanged<Color> onColorChanged;
|
|
final List<Color> pickerColors;
|
|
final ValueChanged<List<Color>> onColorsChanged;
|
|
final List<Color> colorHistory;
|
|
|
|
@override
|
|
State<BlockColorPickerExample> createState() => _BlockColorPickerExampleState();
|
|
}
|
|
|
|
class _BlockColorPickerExampleState extends State<BlockColorPickerExample> {
|
|
int _portraitCrossAxisCount = 4;
|
|
int _landscapeCrossAxisCount = 5;
|
|
double _borderRadius = 30;
|
|
double _blurRadius = 5;
|
|
double _iconSize = 24;
|
|
|
|
Widget pickerLayoutBuilder(BuildContext context, List<Color> colors, PickerItem child) {
|
|
Orientation orientation = MediaQuery.of(context).orientation;
|
|
|
|
return SizedBox(
|
|
width: 300,
|
|
height: orientation == Orientation.portrait ? 360 : 240,
|
|
child: GridView.count(
|
|
crossAxisCount: orientation == Orientation.portrait ? _portraitCrossAxisCount : _landscapeCrossAxisCount,
|
|
crossAxisSpacing: 5,
|
|
mainAxisSpacing: 5,
|
|
children: [for (Color color in colors) child(color)],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget pickerItemBuilder(Color color, bool isCurrentColor, void Function() changeColor) {
|
|
return Container(
|
|
margin: const EdgeInsets.all(8),
|
|
decoration: BoxDecoration(
|
|
borderRadius: BorderRadius.circular(_borderRadius),
|
|
color: color,
|
|
boxShadow: [BoxShadow(color: color.withOpacity(0.8), offset: const Offset(1, 2), blurRadius: _blurRadius)],
|
|
),
|
|
child: Material(
|
|
color: Colors.transparent,
|
|
child: InkWell(
|
|
onTap: changeColor,
|
|
borderRadius: BorderRadius.circular(_borderRadius),
|
|
child: AnimatedOpacity(
|
|
duration: const Duration(milliseconds: 250),
|
|
opacity: isCurrentColor ? 1 : 0,
|
|
child: Icon(
|
|
Icons.done,
|
|
size: _iconSize,
|
|
color: useWhiteForeground(color) ? Colors.white : Colors.black,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return ListView(
|
|
children: [
|
|
const SizedBox(height: 20),
|
|
Center(
|
|
child: ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
titlePadding: const EdgeInsets.all(0),
|
|
contentPadding: const EdgeInsets.all(25),
|
|
content: SingleChildScrollView(
|
|
child: Text(
|
|
'''
|
|
Widget pickerLayoutBuilder(BuildContext context, List<Color> colors, PickerItem child) {
|
|
Orientation orientation = MediaQuery.of(context).orientation;
|
|
|
|
return SizedBox(
|
|
width: 300,
|
|
height: orientation == Orientation.portrait ? 360 : 240,
|
|
child: GridView.count(
|
|
crossAxisCount: orientation == Orientation.portrait ? $_portraitCrossAxisCount : $_landscapeCrossAxisCount,
|
|
crossAxisSpacing: 5,
|
|
mainAxisSpacing: 5,
|
|
children: [for (Color color in colors) child(color)],
|
|
),
|
|
);
|
|
}
|
|
''',
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Icon(Icons.code, color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
),
|
|
ListTile(
|
|
title: const Text('Portrait Cross Axis Count'),
|
|
subtitle: Text(_portraitCrossAxisCount.toString()),
|
|
trailing: SizedBox(
|
|
width: 200,
|
|
child: Slider(
|
|
value: _portraitCrossAxisCount.toDouble(),
|
|
min: 1,
|
|
max: 10,
|
|
divisions: 9,
|
|
label: _portraitCrossAxisCount.toString(),
|
|
onChanged: (double value) => setState(() => _portraitCrossAxisCount = value.round()),
|
|
),
|
|
),
|
|
),
|
|
ListTile(
|
|
title: const Text('Landscape Cross Axis Count'),
|
|
subtitle: Text(_landscapeCrossAxisCount.toString()),
|
|
trailing: SizedBox(
|
|
width: 200,
|
|
child: Slider(
|
|
value: _landscapeCrossAxisCount.toDouble(),
|
|
min: 1,
|
|
max: 10,
|
|
divisions: 9,
|
|
label: _landscapeCrossAxisCount.toString(),
|
|
onChanged: (double value) => setState(() => _landscapeCrossAxisCount = value.round()),
|
|
),
|
|
),
|
|
),
|
|
const Divider(),
|
|
const SizedBox(height: 20),
|
|
Center(
|
|
child: ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
titlePadding: const EdgeInsets.all(0),
|
|
contentPadding: const EdgeInsets.all(25),
|
|
content: SingleChildScrollView(
|
|
child: Text(
|
|
'''
|
|
Widget pickerItemBuilder(Color color, bool isCurrentColor, void Function() changeColor) {
|
|
return Container(
|
|
margin: const EdgeInsets.all(8),
|
|
decoration: BoxDecoration(
|
|
borderRadius: BorderRadius.circular($_borderRadius),
|
|
color: color,
|
|
boxShadow: [BoxShadow(color: color.withOpacity(0.8), offset: const Offset(1, 2), blurRadius: $_blurRadius)],
|
|
),
|
|
child: Material(
|
|
color: Colors.transparent,
|
|
child: InkWell(
|
|
onTap: changeColor,
|
|
borderRadius: BorderRadius.circular(_borderRadius),
|
|
child: AnimatedOpacity(
|
|
duration: const Duration(milliseconds: 250),
|
|
opacity: isCurrentColor ? 1 : 0,
|
|
child: Icon(
|
|
Icons.done,
|
|
size: $_iconSize,
|
|
color: useWhiteForeground(color) ? Colors.white : Colors.black,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
''',
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Icon(Icons.code, color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
),
|
|
ListTile(
|
|
title: const Text('Border Radius'),
|
|
subtitle: Text(_borderRadius.toString()),
|
|
trailing: SizedBox(
|
|
width: 200,
|
|
child: Slider(
|
|
value: _borderRadius,
|
|
min: 0,
|
|
max: 30,
|
|
divisions: 30,
|
|
label: _borderRadius.toString(),
|
|
onChanged: (double value) => setState(() => _borderRadius = value.round().toDouble()),
|
|
),
|
|
),
|
|
),
|
|
ListTile(
|
|
title: const Text('Blur Radius'),
|
|
subtitle: Text(_blurRadius.toString()),
|
|
trailing: SizedBox(
|
|
width: 200,
|
|
child: Slider(
|
|
value: _blurRadius,
|
|
min: 0,
|
|
max: 5,
|
|
divisions: 5,
|
|
label: _blurRadius.toString(),
|
|
onChanged: (double value) => setState(() => _blurRadius = value.round().toDouble()),
|
|
),
|
|
),
|
|
),
|
|
ListTile(
|
|
title: const Text('Icon Size'),
|
|
subtitle: Text(_iconSize.toString()),
|
|
trailing: SizedBox(
|
|
width: 200,
|
|
child: Slider(
|
|
value: _iconSize,
|
|
min: 1,
|
|
max: 50,
|
|
divisions: 49,
|
|
label: _iconSize.toString(),
|
|
onChanged: (double value) => setState(() => _iconSize = value.round().toDouble()),
|
|
),
|
|
),
|
|
),
|
|
const Divider(),
|
|
const SizedBox(height: 20),
|
|
Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
title: const Text('Select a color'),
|
|
content: SingleChildScrollView(
|
|
child: BlockPicker(
|
|
pickerColor: widget.pickerColor,
|
|
onColorChanged: widget.onColorChanged,
|
|
availableColors: widget.colorHistory.isNotEmpty ? widget.colorHistory : colors,
|
|
layoutBuilder: pickerLayoutBuilder,
|
|
itemBuilder: pickerItemBuilder,
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Text(
|
|
'Blocky Color Picker',
|
|
style: TextStyle(color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
const SizedBox(width: 20),
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return const AlertDialog(
|
|
titlePadding: EdgeInsets.all(0),
|
|
contentPadding: EdgeInsets.all(25),
|
|
content: SingleChildScrollView(
|
|
child: Text(
|
|
'''
|
|
BlockPicker(
|
|
pickerColor: color,
|
|
onColorChanged: changeColor,
|
|
availableColors: colors,
|
|
layoutBuilder: pickerLayoutBuilder,
|
|
itemBuilder: pickerItemBuilder,
|
|
)
|
|
''',
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Icon(Icons.code, color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 20),
|
|
const Divider(),
|
|
const SizedBox(height: 20),
|
|
Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return AlertDialog(
|
|
title: const Text('Select colors'),
|
|
content: SingleChildScrollView(
|
|
child: MultipleChoiceBlockPicker(
|
|
pickerColors: widget.pickerColors,
|
|
onColorsChanged: widget.onColorsChanged,
|
|
availableColors: widget.colorHistory.isNotEmpty ? widget.colorHistory : colors,
|
|
layoutBuilder: pickerLayoutBuilder,
|
|
itemBuilder: pickerItemBuilder,
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Text(
|
|
'Multiple selection Blocky Color Picker',
|
|
style: TextStyle(color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
const SizedBox(width: 20),
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
showDialog(
|
|
context: context,
|
|
builder: (BuildContext context) {
|
|
return const AlertDialog(
|
|
titlePadding: EdgeInsets.all(0),
|
|
contentPadding: EdgeInsets.all(25),
|
|
content: SingleChildScrollView(
|
|
child: Text(
|
|
'''
|
|
MultipleChoiceBlockPicker(
|
|
pickerColors: colors,
|
|
onColorsChanged: changeColors,
|
|
availableColors: colors,
|
|
layoutBuilder: pickerLayoutBuilder,
|
|
itemBuilder: pickerItemBuilder,
|
|
)
|
|
''',
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
child: Icon(Icons.code, color: useWhiteForeground(widget.pickerColor) ? Colors.white : Colors.black),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: widget.pickerColor,
|
|
shadowColor: widget.pickerColor.withOpacity(1),
|
|
elevation: 10,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 80),
|
|
],
|
|
);
|
|
}
|
|
} |