private void SetErrors(object target, IList <object> errors, bool isClear)
{
var hasErrors = errors.Count != 0;
if (TryGetEntryField != null)
{
target = TryGetEntryField(target);
}
var nativeObject = target as INativeObject;
if (!nativeObject.IsAlive())
{
return;
}
var uiView = target as UIView;
if (uiView != null && ErrorBorderWidth > 0)
{
if (hasErrors)
{
LayoutInfo.Save(uiView, target);
uiView.Layer.BorderColor = ErrorBorderColor.CGColor;
uiView.Layer.BorderWidth = ErrorBorderWidth;
uiView.Layer.CornerRadius = CornerRadius;
uiView.ClipsToBounds = true;
}
else
{
LayoutInfo.Restore(uiView, target);
}
}
var textField = target as UITextField;
if (textField != null && ErrorImage != null && textField.Superview != null)
{
ErrorButton errorButton;
UITextFieldViewMode mode = hasErrors ? UITextFieldViewMode.Always : UITextFieldViewMode.Never;
if (RightErrorImagePosition)
{
textField.RightViewMode = mode;
errorButton = textField.RightView as ErrorButton;
if (isClear)
{
textField.RightView = null;
}
else if (errorButton == null)
{
errorButton = CreateErrorButton(textField);
textField.RightView = errorButton;
}
}
else
{
textField.LeftViewMode = mode;
errorButton = textField.LeftView as ErrorButton;
if (isClear)
{
textField.LeftView = null;
}
else if (errorButton == null)
{
errorButton = CreateErrorButton(textField);
textField.LeftView = errorButton;
}
}
if (isClear)
{
if (errorButton != null)
{
errorButton.ClearBindingsRecursively(true, true);
errorButton.DisposeEx();
}
}
else
{
errorButton.SetErrors(errors);
}
}
}
/// <summary>
/// Sets errors for binding target.
/// </summary>
/// <param name="target">The binding target object.</param>
/// <param name="errors">The collection of errors</param>
/// <param name="context">The specified context, if any.</param>
protected override void SetErrors(object target, IList <object> errors, IDataContext context)
{
base.SetErrors(target, errors, context);
var hasErrors = errors.Count != 0;
#if XAMARIN_FORMS
var element = target as Element;
if (element != null)
{
target = GetNativeView(element);
}
#else
var element = target as EntryElement;
if (element != null && GetEntryField != null)
{
target = GetEntryField(element);
}
#endif
var uiView = target as UIView;
if (uiView != null && ErrorBorderWidth > 0)
{
if (hasErrors)
{
LayoutInfo.Save(uiView);
uiView.Layer.BorderColor = ErrorBorderColor.CGColor;
uiView.Layer.BorderWidth = ErrorBorderWidth;
uiView.Layer.CornerRadius = CornerRadius;
uiView.ClipsToBounds = true;
}
else
{
LayoutInfo.Restore(uiView);
}
}
var textField = target as UITextField;
if (textField != null && ErrorImage != null && textField.Superview != null)
{
ErrorButton errorButton;
UITextFieldViewMode mode = hasErrors ? UITextFieldViewMode.Always : UITextFieldViewMode.Never;
if (RightErrorImagePosition)
{
textField.RightViewMode = mode;
errorButton = textField.RightView as ErrorButton;
if (errorButton == null)
{
errorButton = CreateErrorButton(textField);
textField.RightView = errorButton;
}
}
else
{
textField.LeftViewMode = mode;
errorButton = textField.LeftView as ErrorButton;
if (errorButton == null)
{
errorButton = CreateErrorButton(textField);
textField.LeftView = errorButton;
}
}
errorButton.SetErrors(errors);
}
}