BorderRadius _borderRadius(int index, bool start, bool end)
{
D.assert(MaterialConstantsUtils.kMaterialEdges[MaterialType.card].topLeft ==
MaterialConstantsUtils.kMaterialEdges[MaterialType.card].topRight);
D.assert(MaterialConstantsUtils.kMaterialEdges[MaterialType.card].topLeft ==
MaterialConstantsUtils.kMaterialEdges[MaterialType.card].bottomLeft);
D.assert(MaterialConstantsUtils.kMaterialEdges[MaterialType.card].topLeft ==
MaterialConstantsUtils.kMaterialEdges[MaterialType.card].bottomRight);
Radius cardRadius = MaterialConstantsUtils.kMaterialEdges[MaterialType.card].topLeft;
Radius startRadius = Radius.zero;
Radius endRadius = Radius.zero;
if (index > 0 && this._children[index - 1] is MaterialGap)
{
startRadius = Radius.lerp(
Radius.zero,
cardRadius,
this._animationTuples[this._children[index - 1].key].startAnimation.value);
}
if (index < this._children.Count - 2 && this._children[index + 1] is MaterialGap)
{
endRadius = Radius.lerp(
Radius.zero,
cardRadius,
this._animationTuples[this._children[index + 1].key].endAnimation.value);
}
if (this.widget.mainAxis == Axis.vertical)
{
return(BorderRadius.vertical(
top: start?cardRadius: startRadius,
bottom: end ? cardRadius : endRadius));
}
else
{
return(BorderRadius.horizontal(
left: start?cardRadius: startRadius,
right: end ? cardRadius : endRadius));
}
}
public static Widget SettingHSVColorPicker(
BuildContext context,
string title,
ValueChanged <Color> onColorChanged,
Color color = null,
string buttonName = "",
bool enableAlpha = false,
bool showPreviousColor = false
)
{
if (color == null)
{
color = Colors.blueAccent;
}
if (buttonName == "")
{
buttonName = color.ToHexString(enableAlpha);
}
return(new Container(
padding: EdgeInsets.symmetric(horizontal: 6f),
child: new Row(
children: new List <Widget>
{
new Container(child: new Text(title)),
new Expanded(
child: new Container(
padding: EdgeInsets.all(6),
alignment: Alignment.bottomRight,
child: new RaisedButton(
color: color,
child: new Text(
buttonName,
style: new TextStyle(
color: Utils.useWhiteForeground(color) ? Colors.white : Colors.black
) //TextStyle
), //Text
onPressed: () => {
DialogUtils.showDialog(
context: context,
builder: (BuildContext _) => {
if (showPreviousColor)
{
return new AlertDialog(
titlePadding: EdgeInsets.all(0),
contentPadding: EdgeInsets.all(0f),
shape: new RoundedRectangleBorder(
borderRadius: BorderRadius.circular(25)
), //RoundedRectangleBorder
content: new SingleChildScrollView(
child: new SlidePicker(
pickerColor: color,
onColorChanged: onColorChanged,
paletteType: PaletteType.hsv,
enableAlpha: enableAlpha,
displayThumbColor: true,
showLabel: false,
showIndicator: true,
indicatorBorderRadius: BorderRadius.vertical(top: Radius.circular(25))
) //SlidePicker
) //SingleChildScrollView
); //AlertDialog
}
else
{
return new AlertDialog(
titlePadding: EdgeInsets.all(0f),
contentPadding: EdgeInsets.all(0f),
content: new SingleChildScrollView(
child: new ColorPicker(
pickerColor: color,
onColorChanged: onColorChanged,
colorPickerWidth: 300f,
pickerAreaHeightPercent: 0.7f,
enableAlpha: enableAlpha,
displayThumbColor: true,
showLabel: true,
paletteType: PaletteType.hsv,
pickerAreaBorderRadius: BorderRadius.only(
topLeft: Radius.circular(2f),
topRight: Radius.circular(2f)
) //BorderRadius
) //ColorPicker
) //SingleChildScrollView
); //AlertDialog
}
}
);
}
)
) //container
), //expanded
} //list
) //row
));
}
public override Widget build(BuildContext context)
{
return(new Theme(
data: lightTheme?ThemeData.light() : ThemeData.dark(),
child: new DefaultTabController(
length: 3,
child: new Scaffold(
appBar: new AppBar(
title: new GestureDetector(
child: new Text("Color Picker Example"),
onDoubleTap: (DoubleTapDetails details) => setState(() => lightTheme = !lightTheme)
),//GestureDetector
bottom: new TabBar(
tabs: new List <Widget>
{
new Tab(text: "HSV"),
new Tab(text: "Material"),
new Tab(text: "Block")
}
) //TabBar
), //AppBar
body: new TabBarView(
physics: new NeverScrollableScrollPhysics(),
children: new List <Widget>
{
new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: new List <Widget> {
new RaisedButton(
elevation: 3f,
onPressed: () =>
{
DialogUtils.showDialog(
context: context,
builder: (BuildContext _) => {
return new AlertDialog(
titlePadding: EdgeInsets.all(0f),
contentPadding: EdgeInsets.all(0f),
content: new SingleChildScrollView(
child: new ColorPicker(
pickerColor: currentColor,
onColorChanged: changeColor,
colorPickerWidth: 300f,
pickerAreaHeightPercent: 0.7f,
enableAlpha: true,
displayThumbColor: true,
showLabel: true,
paletteType: PaletteType.hsv,
pickerAreaBorderRadius: BorderRadius.only(
topLeft: Radius.circular(2f),
topRight: Radius.circular(2f)
) //BorderRadius
) //ColorPicker
) //SingleChildScrollView
); //AlertDialog
}
);
},
child: new Text("Change me"),
color: currentColor,
textColor: Utils.useWhiteForeground(currentColor)
? new Color(0xffffffff)
: new Color(0xff000000)
), //RaisedButton
new RaisedButton(
elevation: 3f,
onPressed: () => {
DialogUtils.showDialog(
context: context,
builder: (BuildContext _) => {
return new AlertDialog(
titlePadding: EdgeInsets.all(0),
contentPadding: EdgeInsets.all(0f),
shape: new RoundedRectangleBorder(
borderRadius: BorderRadius.circular(25)
), //RoundedRectangleBorder
content: new SingleChildScrollView(
child: new SlidePicker(
pickerColor: currentColor,
onColorChanged: changeColor,
paletteType: PaletteType.rgb,
enableAlpha: false,
displayThumbColor: true,
showLabel: false,
showIndicator: true,
indicatorBorderRadius: BorderRadius.vertical(top: Radius.circular(25))
) //SlidePicker
) //SingleChildScrollView
); //AlertDialog
}
);
},
child: new Text("Change me again"),
color: currentColor,
textColor: Utils.useWhiteForeground(currentColor)
? new Color(0xffffffff)
: new Color(0xff000000)
)
}
), //Column
new Center(
child: new RaisedButton(
elevation: 3f,
onPressed: () => {
DialogUtils.showDialog(
context: context,
builder: (BuildContext _) => {
return new AlertDialog(
titlePadding: EdgeInsets.all(0f),
contentPadding: EdgeInsets.all(0f),
content: new SingleChildScrollView(
child: new MaterialPicker(
pickerColor: currentColor,
onColorChanged: changeColor,
enableLabel: true
) //MaterialPicker
) //SingleChildScrollView
); //AlertDialog
}
); //showDialog
}, //onPresed
child: new Text("Change me"),
color: currentColor,
textColor: Utils.useWhiteForeground(currentColor)
? new Color(0xffffffff)
: new Color(0xff000000)
) //RaisedButton
), //Center
new Center(
child: new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: new List <Widget> {
new RaisedButton(
elevation: 3f,
onPressed: () => {
DialogUtils.showDialog(
context: context,
builder: (BuildContext _) => {
return new AlertDialog(
title: new Text("Select color"),
content: new SingleChildScrollView(
child: new BlockPicker(
pickerColor: currentColor,
onColorChanged: changeColor
) //BlockPicker
) //SingleChildScrollView
); //AlertDialog
}
); //showDialog
}, //onPressed
child: new Text("Change me again"),
color: currentColor,
textColor: Utils.useWhiteForeground(currentColor)
? new Color(0xffffffff)
: new Color(0xff000000)
) //RaisedButton
}
) //Column
) //center
}
) //TabBarView
) //Scaffold
) //DefaultTabController
)); //Theme
}//function build