void SetDrawable2(Color StartColor, Color EndColor)
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
if (myButtonRenderer.IsGradient)
{
StartColor = System.Drawing.Color.FromArgb(70, StartColor);
EndColor = System.Drawing.Color.FromArgb(70, EndColor);
var gradient = new CAGradientLayer();
gradient.Colors = new CGColor[]
{
StartColor.ToCGColor(),
EndColor.ToCGColor()
};
gradient.StartPoint = new CGPoint(0, 0.5);
gradient.EndPoint = new CGPoint(1, 0.5);
Control.Layer.InsertSublayer(gradient, 0);
var newBounds = Element.Bounds.ToRectangleF();
foreach (var layer in Control?.Layer.Sublayers.Where(layer => layer is CAGradientLayer))
{
layer.Frame = new CGRect(0, 0, newBounds.Width, newBounds.Height);
}
}
else
{
Color staticColor = System.Drawing.Color.FromArgb(70, myButtonRenderer.StaticColor);
Control.BackgroundColor = staticColor.ToUIColor();
}
}
void SetDrawable(MyButtonRenderer myButtonRenderer)
{
if (myButtonRenderer.IsGradient)
{
Color StartColor = ColorInterpolator.InterpolateBetween(myButtonRenderer.EndColor,
myButtonRenderer.StartColor,
myButtonRenderer.NumOfGradientStart);
Color EndColor = ColorInterpolator.InterpolateBetween(myButtonRenderer.StartColor,
myButtonRenderer.EndColor,
myButtonRenderer.NumOfGradientEnd);
var gradient = new CAGradientLayer();
gradient.Colors = new CGColor[]
{
StartColor.ToCGColor(),
EndColor.ToCGColor()
};
gradient.StartPoint = new CGPoint(0, 0.5);
gradient.EndPoint = new CGPoint(1, 0.5);
Control.Layer.InsertSublayer(gradient, 0);
}
else
{
Control.BackgroundColor = myButtonRenderer.StaticColor.ToUIColor();
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName.Equals(MyButtonRenderer.StaticColorProperty.PropertyName))
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
GradientDrawable gradientDrawable = (GradientDrawable)Control.Background;
gradientDrawable.SetColor(myButtonRenderer.StaticColor.ToAndroid());
}
if (e.PropertyName.Equals(MyButtonRenderer.IsEnabledProperty.PropertyName))
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
GradientDrawable gradientDrawable = (GradientDrawable)Control.Background;
if (!myButtonRenderer.IsEnabled)
{
if (myButtonRenderer.IsGradient)
{
Color StartColor = System.Drawing.Color.FromArgb(70, myButtonRenderer.StartColor);
Color EndColor = System.Drawing.Color.FromArgb(70, myButtonRenderer.EndColor);
gradientDrawable.SetColors(new int[] {
StartColor.ToAndroid(),
EndColor.ToAndroid()
});
}
else
{
Color staticColor = System.Drawing.Color.FromArgb(70, myButtonRenderer.StaticColor);
gradientDrawable.SetColor(staticColor.ToAndroid());
}
}
else
{
if (myButtonRenderer.IsGradient)
{
gradientDrawable.SetColors(new int[] {
myButtonRenderer.StartColor.ToAndroid(),
myButtonRenderer.EndColor.ToAndroid()
});
}
else
{
gradientDrawable.SetColor(myButtonRenderer.StaticColor.ToAndroid());
}
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Button> e)
{
base.OnElementChanged(e);
if (e.OldElement == null && e.NewElement != null)
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
if (!myButtonRenderer.IsEnabled)
{
SetDrawable2(myButtonRenderer.StartColor, myButtonRenderer.EndColor);
}
else
{
SetDrawable(myButtonRenderer);
}
TypeBorder = myButtonRenderer.TypeBorder;
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName.Equals(MyButtonRenderer.StaticColorProperty.PropertyName))
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
Control.BackgroundColor = myButtonRenderer.StaticColor.ToUIColor();
}
if (e.PropertyName.Equals(MyButtonRenderer.IsEnabledProperty.PropertyName))
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
if (!myButtonRenderer.IsEnabled)
{
//SetDrawable2(myButtonRenderer.StartColor, myButtonRenderer.EndColor);
//Control.TintColor = Color.White.ToUIColor();
SetDrawable(myButtonRenderer.StartColor, myButtonRenderer.EndColor);
var newBounds = Element.Bounds.ToRectangleF();
foreach (var layer in Control?.Layer.Sublayers.Where(layer => layer is CAGradientLayer))
{
layer.Frame = new CGRect(0, 0, newBounds.Width, newBounds.Height);
}
}
else
{
SetDrawable(myButtonRenderer.StartColor, myButtonRenderer.EndColor);
/*if (myButtonRenderer.IsGradient)
* {
*
* }
* else
* {
* SetDrawable(myButtonRenderer.StartColor, myButtonRenderer.EndColor);
* var newBounds = Element.Bounds.ToRectangleF();
* foreach (var layer in Control?.Layer.Sublayers.Where(layer => layer is CAGradientLayer))
* layer.Frame = new CGRect(0, 0, newBounds.Width, newBounds.Height);
* }*/
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Button> e)
{
base.OnElementChanged(e);
if ((Control != null) && (e.OldElement == null))
{
MyButtonRenderer myButtonRenderer = (MyButtonRenderer)Element;
GradientDrawable gradientDrawable = new GradientDrawable();
if (myButtonRenderer.IsGradient)
{
Color StartColor = ColorInterpolator.InterpolateBetween(myButtonRenderer.EndColor,
myButtonRenderer.StartColor,
myButtonRenderer.NumOfGradientStart);
Color EndColor = ColorInterpolator.InterpolateBetween(myButtonRenderer.StartColor,
myButtonRenderer.EndColor,
myButtonRenderer.NumOfGradientEnd);
if (!myButtonRenderer.IsEnabled)
{
StartColor = System.Drawing.Color.FromArgb(70, StartColor);
EndColor = System.Drawing.Color.FromArgb(70, EndColor);
}
gradientDrawable = new GradientDrawable(
GradientDrawable.Orientation.LeftRight,
new int[] { StartColor.ToAndroid(),
EndColor.ToAndroid() }
);
}
else
{
Color staticColor = myButtonRenderer.StaticColor;
if (!myButtonRenderer.IsEnabled)
{
staticColor = System.Drawing.Color.FromArgb(70, myButtonRenderer.StaticColor);
}
gradientDrawable.SetColor(staticColor.ToAndroid());
}
switch (myButtonRenderer.TypeBorder)
{
case TypeBorder.All:
gradientDrawable.SetCornerRadii(new float[] { 80, 80, 80, 80,
80, 80, 80, 80 });
break;
case TypeBorder.Left:
gradientDrawable.SetCornerRadii(new float[] { 80, 80, 0, 0,
0, 0, 80, 80 });
break;
case TypeBorder.Right:
gradientDrawable.SetCornerRadii(new float[] { 0, 0, 80, 80,
80, 80, 0, 0 });
break;
case TypeBorder.Down:
gradientDrawable.SetCornerRadii(new float[] { 0, 0, 0, 0,
80, 80, 80, 80 });
break;
case TypeBorder.Up:
gradientDrawable.SetCornerRadii(new float[] { 80, 80, 80, 80,
0, 0, 0, 0 });
break;
}
Control.StateListAnimator = new StateListAnimator();
Control.SetBackground(gradientDrawable);
}
}
