Drawable SetLeftImage(MyPickerRenderer myPickerRenderer)
{
if (myPickerRenderer.SourceImageLeft != "")
{
Drawable image = null;
try
{
image = Resources.GetDrawable(myPickerRenderer.SourceImageLeft).Mutate();
}
catch
{
ImageView ima = new ImageView(Context);
var imageBitmap = GetImageBitmapFromUrl(myPickerRenderer.SourceImageLeft);
ima.SetImageBitmap(imageBitmap);
image = ima.Drawable;
}
if (image != null)
{
if (myPickerRenderer.ImageLeftColor != Color.Transparent)
{
image.SetColorFilter(myPickerRenderer.ImageLeftColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
image.SetBounds((int)myPickerRenderer.BoundsImageLeft.X + 5,
(int)myPickerRenderer.BoundsImageLeft.Y,
(int)myPickerRenderer.BoundsImageLeft.Width * 2,
(int)myPickerRenderer.BoundsImageLeft.Height * 2);
}
return(image);
}
return(null);
}
void SetDrawable(MyPickerRenderer myPickerRenderer)
{
var gradientDrawable = new GradientDrawable();
gradientDrawable.SetColor(myPickerRenderer.StaticColor.ToAndroid());
switch (myPickerRenderer.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.SetBackground(gradientDrawable);
}
private void setBorder()
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
Control.Layer.BorderWidth = 0;
Control.BorderStyle = UITextBorderStyle.None;
Control.BackgroundColor = myPickerRenderer.StaticColor.ToUIColor();
Control.TextColor = myPickerRenderer.TextColor.ToUIColor();
}
/*
* private void setLeftImage(MyPickerRenderer myPickerRenderer)
* {
* if (myPickerRenderer.SourceImageLeft != "")
* {
* CGRect cGRect = new CGRect(myPickerRenderer.BoundsImageLeft.X, myPickerRenderer.BoundsImageLeft.Y,
* myPickerRenderer.BoundsImageLeft.Width + 20, myPickerRenderer.BoundsImageLeft.Height);
* var view = new UIView(cGRect);
* var imageView = new UIImageView();
* UIImage image = null;
* try
* {
* image = new UIImage(myPickerRenderer.SourceImageLeft);
* }
* catch
* {
* //image = UIImageFromUrl("https://imgappgyg.s3-sa-east-1.amazonaws.com/" + myPickerRenderer.SourceImageLeft);
* if (UIImageFromUrl("https://imgappgyg.s3-sa-east-1.amazonaws.com/" + myPickerRenderer.SourceImageLeft + ".png", myPickerRenderer.SourceImageLeft))
* {
* setLeftImage(myPickerRenderer);
* }
* }
* if (image != null)
* {
* if (myPickerRenderer.ImageLeftColor != Color.Transparent)
* {
* imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
* imageView.TintColor = (myPickerRenderer.ImageLeftColor.ToUIColor());
* }
* else
* {
* imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal);
* }
* CGRect cGRectImage = new CGRect(myPickerRenderer.BoundsImageLeft.X + 10, myPickerRenderer.BoundsImageLeft.Y,
* myPickerRenderer.BoundsImageLeft.Width, myPickerRenderer.BoundsImageLeft.Height);
* imageView.Frame = cGRectImage;
* view.AddSubview(imageView);
* Control.LeftView = view;
* Control.LeftViewMode = UITextFieldViewMode.Always;
* }
*
* }
* }
*/
private void setLeftImage(MyPickerRenderer myPickerRenderer)
{
if (myPickerRenderer.SourceImageLeft != "")
{
CGRect cGRect = new CGRect(myPickerRenderer.BoundsImageLeft.X, myPickerRenderer.BoundsImageLeft.Y,
myPickerRenderer.BoundsImageLeft.Width + 20, myPickerRenderer.BoundsImageLeft.Height);
var view = new UIView(cGRect);
var imageView = new UIImageView();
UIImage image = UIImage.FromFile(myPickerRenderer.SourceImageLeft);
if (image == null)
{
string path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
String fileName = Path.Combine(path, "images", myPickerRenderer.SourceImageLeft);
image = UIImage.FromFile(@fileName);
}
if (image != null)
{
if (myPickerRenderer.ImageLeftColor != Color.Transparent)
{
imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
imageView.TintColor = (myPickerRenderer.ImageLeftColor.ToUIColor());
}
else
{
imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal);
}
CGRect cGRectImage = new CGRect(myPickerRenderer.BoundsImageLeft.X + 10, myPickerRenderer.BoundsImageLeft.Y,
myPickerRenderer.BoundsImageLeft.Width, myPickerRenderer.BoundsImageLeft.Height);
imageView.Frame = cGRectImage;
view.AddSubview(imageView);
Control.LeftView = view;
Control.LeftViewMode = UITextFieldViewMode.Always;
}
else
{
if (UIImageFromUrl("https://imgappgyg.s3-sa-east-1.amazonaws.com/" + myPickerRenderer.SourceImageLeft + ".png", myPickerRenderer.SourceImageLeft))
{
setLeftImage(myPickerRenderer);
}
else
{
Control.LeftView = new UIView(new CGRect(0, 0, 20, 0));
Control.LeftViewMode = UITextFieldViewMode.Always;
}
}
}
else
{
Control.LeftView = new UIView(new CGRect(0, 0, 20, 0));
Control.LeftViewMode = UITextFieldViewMode.Always;
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName.Equals(MyPickerRenderer.SourceImageLeftProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
Drawable imageLeft = null;
if (myPickerRenderer.SourceImageLeft != "")
{
ImageView ima = new ImageView(Context);
var imageBitmap = GetImageBitmapFromUrl(myPickerRenderer.SourceImageLeft);
ima.SetImageBitmap(imageBitmap);
imageLeft = ima.Drawable;
if (myPickerRenderer.ImageLeftColor != Color.Transparent)
{
imageLeft.SetColorFilter(myPickerRenderer.ImageLeftColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
imageLeft.SetBounds((int)myPickerRenderer.BoundsImageLeft.X + 5,
(int)myPickerRenderer.BoundsImageLeft.Y,
(int)myPickerRenderer.BoundsImageLeft.Width * 2,
(int)myPickerRenderer.BoundsImageLeft.Height * 2);
}
Control.SetCompoundDrawables(imageLeft, Control.GetCompoundDrawables()[1], Control.GetCompoundDrawables()[2], Control.GetCompoundDrawables()[3]);
}
else
if (e.PropertyName.Equals(MyPickerRenderer.StaticColorProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
GradientDrawable gradientDrawable = (GradientDrawable)Control.Background;
if (gradientDrawable != null)
{
gradientDrawable.SetColor(myPickerRenderer.StaticColor.ToAndroid());
}
}
else
if (e.PropertyName.Equals(MyPickerRenderer.ImageLeftColorProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
Drawable drawable = (Drawable)Control.GetCompoundDrawables()[0];
if (drawable != null)
{
drawable.SetColorFilter(myPickerRenderer.ImageLeftColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
}
else
if (e.PropertyName.Equals(MyPickerRenderer.ImageRightColorProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
Drawable drawable = (Drawable)Control.GetCompoundDrawables()[2];
if (drawable != null)
{
drawable.SetColorFilter(myPickerRenderer.ImageRightColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Picker> e)
{
base.OnElementChanged(e);
if (e.OldElement == null)
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
TypeBorder = myPickerRenderer.TypeBorder;
setBorder();
setPosition(myPickerRenderer);
setLeftImage(myPickerRenderer);
setRightImage(myPickerRenderer);
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName.Equals(MyPickerRenderer.SourceImageLeftProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
if (myPickerRenderer.SourceImageLeft != "")
{
setLeftImage(myPickerRenderer);
}
}
if (e.PropertyName.Equals(MyPickerRenderer.StaticColorProperty.PropertyName))
{
MyPickerRenderer myEntryRenderer = (MyPickerRenderer)Element;
Control.BackgroundColor = myEntryRenderer.StaticColor.ToUIColor();
}
if (e.PropertyName.Equals(MyPickerRenderer.ImageLeftColorProperty.PropertyName))
{
MyPickerRenderer myEntryRenderer = (MyPickerRenderer)Element;
if (!(myEntryRenderer.SourceImageLeft == ""))
{
UIImageView uIImageView = (UIImageView)Control.LeftView.Subviews[0];
if (uIImageView != null)
{
uIImageView.TintColor = (myEntryRenderer.ImageLeftColor.ToUIColor());
}
}
}
if (e.PropertyName.Equals(MyPickerRenderer.ImageRightColorProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
try
{
UIImageView uIImageView = (UIImageView)Control.RightView.Subviews[0];
uIImageView.TintColor = (myPickerRenderer.ImageRightColor.ToUIColor());
}
catch { }
}
if (e.PropertyName.Equals(MyPickerRenderer.IsEnabledProperty.PropertyName))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
if (!myPickerRenderer.IsEnabled)
{
Control.TextColor = myPickerRenderer.TextColor.ToUIColor();
}
}
}
private void setPosition(MyPickerRenderer myPickerRenderer)
{
switch (myPickerRenderer.Position)
{
case Position.Center:
Control.TextAlignment = UIKit.UITextAlignment.Center;
break;
case Position.Right:
Control.TextAlignment = UIKit.UITextAlignment.Right;
break;
case Position.Left:
Control.TextAlignment = UIKit.UITextAlignment.Left;
break;
}
}
void SetPosition(MyPickerRenderer myPickerRenderer)
{
switch (myPickerRenderer.Position)
{
case Position.Center:
Control.Gravity = GravityFlags.Center;
break;
case Position.Left:
Control.Gravity = GravityFlags.Left;
break;
case Position.Right:
Control.Gravity = GravityFlags.Right;
break;
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Picker> e)
{
base.OnElementChanged(e);
if ((Control != null) && (e.OldElement == null))
{
MyPickerRenderer myPickerRenderer = (MyPickerRenderer)Element;
SetPosition(myPickerRenderer);
SetDrawable(myPickerRenderer);
Drawable imageLeft = SetLeftImage(myPickerRenderer);
Drawable imageRight = SetRightImage(myPickerRenderer);
Control.SetCompoundDrawables(imageLeft, null, imageRight, null);
Control.SetPadding(Control.PaddingLeft + 20, Control.PaddingTop, Control.PaddingRight + 20,
Control.PaddingBottom);
Control.CompoundDrawablePadding = 20;
}
}
Drawable SetRightImage(MyPickerRenderer myPickerRenderer)
{
if (myPickerRenderer.SourceImageRight != "")
{
Drawable image = Context.GetDrawable(myPickerRenderer.SourceImageRight);
if (image != null)
{
if (myPickerRenderer.ImageRightColor != Color.Transparent)
{
image.SetColorFilter(myPickerRenderer.ImageRightColor.ToAndroid(), PorterDuff.Mode.SrcIn);
}
image.SetBounds((int)myPickerRenderer.BoundsImageRight.X + 5,
(int)myPickerRenderer.BoundsImageRight.Y,
(int)myPickerRenderer.BoundsImageRight.Width * 2,
(int)myPickerRenderer.BoundsImageRight.Height * 2);
}
return(image);
}
return(null);
}
private void setRightImage(MyPickerRenderer myPickerRenderer)
{
if (myPickerRenderer.SourceImageRight != "")
{
CGRect cGRect = new CGRect(myPickerRenderer.BoundsImageRight.X, myPickerRenderer.BoundsImageRight.Y,
myPickerRenderer.BoundsImageRight.Width + 20, myPickerRenderer.BoundsImageRight.Height);
var view = new UIView(cGRect);
var imageView = new UIImageView();
UIImage image = null;
try
{
image = new UIImage(myPickerRenderer.SourceImageRight);
}
catch
{
//image = UIImageFromUrl("https://imgappgyg.s3-sa-east-1.amazonaws.com/" + myPickerRenderer.SourceImageRight);
if (UIImageFromUrl("https://imgappgyg.s3-sa-east-1.amazonaws.com/" + myPickerRenderer.SourceImageLeft + ".png", myPickerRenderer.SourceImageLeft))
{
setRightImage(myPickerRenderer);
}
}
if (image != null)
{
if (myPickerRenderer.ImageRightColor != Color.Transparent)
{
imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
imageView.TintColor = (myPickerRenderer.ImageRightColor.ToUIColor());
}
else
{
imageView.Image = image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal);
}
CGRect cGRectImage = new CGRect(myPickerRenderer.BoundsImageRight.X + 10, myPickerRenderer.BoundsImageRight.Y,
myPickerRenderer.BoundsImageRight.Width, myPickerRenderer.BoundsImageRight.Height);
imageView.Frame = cGRectImage;
view.AddSubview(imageView);
Control.RightView = view;
Control.RightViewMode = UITextFieldViewMode.Always;
}
}
}
public override void Draw(CGRect rect)
{
MyPickerRenderer myEntryRenderer = (MyPickerRenderer)Element;
if (myEntryRenderer.IsGradient)
{
Control.BackgroundColor = UIColor.Clear;
var gradientLayer = new CAGradientLayer
{
Frame = rect,
Colors = new CGColor[] { myEntryRenderer.StartColor.ToCGColor(), myEntryRenderer.EndColor.ToCGColor() }
};
gradientLayer.EndPoint = new CGPoint(1.0, 0.5);
gradientLayer.StartPoint = new CGPoint(0, 0.5);
Control.Layer.AddSublayer(gradientLayer);
}
else
{
Control.BackgroundColor = myEntryRenderer.StaticColor.ToUIColor();
}
}
