public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
bool result = true;
if (value is string path)
{
if (!File.Exists(path))
{
result = false;
}
if (LooseyBinding.IsBindingFormat(path))
{
return(new ValidationResult(true, null));
}
if (result)
{
try
{
ResourceManager.GetImageSourceFromPath(path);
}
catch
{
result = false;
}
}
}
return(new ValidationResult(result, null));
}
public override ImageSource Convert(string value, object parameter)
{
if (LooseyBinding.IsBindingFormat(value))
{
return(null);
}
var img = ResourceManager.GetImageSourceFromPath(value);
return(img);
}
private void Source_Changed(object sender, EventArgs e)
{
if (LooseyBinding.IsBindingFormat(this.Model.Source))
{
this.SetLooseyBinding(
PImage.SourceProperty,
LooseyBinding.GetBindingPropertyName(this.Model.Source));
}
else
{
this.RemoveLooseyBinding(PImage.SourceProperty);
}
}
private void Text_Changed(object sender, EventArgs e)
{
if (LooseyBinding.IsBindingFormat(this.Model.Text))
{
this.SetLooseyBinding(
PLabel.TextProperty,
LooseyBinding.GetBindingPropertyName(this.Model.Text));
}
else
{
this.RemoveLooseyBinding(PLabel.TextProperty);
}
}