public void Register(FrameworkElement elementToValidate, ValidatorBase v)
{
items.Add(new ManagerList()
{
Element = elementToValidate, Validator = v
});
}
private void PositionIndicatorToRoot(ValidatorBase validator)
{
//double controlTop = (validator.ElementToValidate.ActualHeight / 2) - (this.Height / 2);
double controlTop = (validator.ElementToValidate.ActualHeight / 2);
double controlLeft = validator.ElementToValidate.ActualWidth + 8;
this.HorizontalAlignment = HorizontalAlignment.Right;
this.Margin = new Thickness(0, 0, 0, 0);
}
private void PositionIndicator(ValidatorBase validator)
{
GeneralTransform gt = validator.ElementToValidate.TransformToVisual(validator.UserControl);
Point offset = gt.Transform(new Point(0, 0));
double controlTop = offset.Y + (validator.ElementToValidate.ActualHeight / 2) - (this.Height / 2);
double controlLeft = offset.X + validator.ElementToValidate.ActualWidth + 3;
this.HorizontalAlignment = HorizontalAlignment.Right;
this.Margin = new Thickness(0, 0, 0, 0);
}
public static void SetValidator(DependencyObject obj, ValidatorBase value)
{
obj.SetValue(ValidatorProperty, value);
}
public void ShowIndicator(ValidatorBase validator)
{
try
{
//TODO: Refactor Indicator insertion to UserControl
//There is an issue with adding the Indicator to the LayoutRoot and where it's positioned.
//This way works for now, but should be refactored.
//Modified by Reo, 需要显示到被验证控件的父元素
//if (this.Parent == null)
//{
// Panel g = (Panel)validator.UserControl.FindName("LayoutRoot");
// g.Children.Add(this);
// if (validator.ElementToValidate.Parent == g)
// {
// if (g is Grid)
// {
// var col = Grid.GetColumn(validator.ElementToValidate);
// var row = Grid.GetRow(validator.ElementToValidate);
// Grid.SetColumn(this, col);
// Grid.SetRow(this, row);
// }
// PositionIndicatorToRoot(validator);
// }
// else
// {
// PositionIndicator(validator);
// }
//}
//暂时不显示
if (this.Parent == null)
{
Panel g = (Panel)FindParentControl <Grid>(validator.ElementToValidate);
g.Children.Add(this);
if (validator.ElementToValidate.Parent == g)
{
if (g is Grid)
{
var col = Grid.GetColumn(validator.ElementToValidate);
var row = Grid.GetRow(validator.ElementToValidate);
Grid.SetColumn(this, col);
Grid.SetRow(this, row);
Grid.SetColumnSpan(this, Grid.GetColumnSpan(validator.ElementToValidate));
Grid.SetRowSpan(this, Grid.GetRowSpan(validator.ElementToValidate));
}
PositionIndicatorToRoot(validator);
}
else
{
PositionIndicator(validator);
}
}
if (!string.IsNullOrEmpty(validator.ErrorMessage))
{
ToolTipService.SetToolTip(this, validator.ErrorMessage);
}
validator.UserControl.UpdateLayout();
HideIndicatorStory.Stop();
ShowIndicatorStory.Begin();
}
catch (Exception e) {
var s = e;
}
// return;
}