static bool TryConvertBool <T>(object prop, out T result)
{
result = default(T);
var stringToBoolConverter = new StringToBoolConverter();
var floatToBoolConverter = new FloatToBoolConverter();
if (stringToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)stringToBoolConverter.ConvertTo(prop, typeof(bool));
return(true);
}
if (floatToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)floatToBoolConverter.ConvertTo(prop, typeof(bool));
return(true);
}
return(false);
}
public T GetProperty <T> (BindableProperty formProperty)
{
Tuple <string[], bool> property = formProperty.GetPlatformPropertyQuery();
string[] propertyPath = property.Item1;
bool isOnParentRenderer = property.Item2;
var query = ViewQuery;
if (isOnParentRenderer &&
PlatformViewType != PlatformViews.BoxView &&
PlatformViewType != PlatformViews.Frame)
{
query = query + " parent * index:0";
}
object prop = null;
bool found = false;
bool isEdgeCase = false;
#if __ANDROID__
isEdgeCase = (formProperty == View.ScaleProperty);
#endif
if (!isEdgeCase)
{
found =
MaybeGetProperty <string> (App, query, propertyPath, out prop) ||
MaybeGetProperty <float> (App, query, propertyPath, out prop) ||
MaybeGetProperty <bool> (App, query, propertyPath, out prop) ||
MaybeGetProperty <object> (App, query, propertyPath, out prop);
}
#if __ANDROID__
if (formProperty == View.ScaleProperty)
{
var matrix = new Matrix();
matrix.M00 = App.Query(q => q.Raw(query).Invoke(propertyPath[0]).Value <float> ()).First();
matrix.M11 = App.Query(q => q.Raw(query).Invoke(propertyPath[1]).Value <float> ()).First();
matrix.M22 = 0.5f;
matrix.M33 = 1.0f;
return((T)((object)matrix));
}
#endif
if (!found || prop == null)
{
throw new NullReferenceException("null property");
}
if (prop.GetType() == typeof(T))
{
return((T)prop);
}
if (prop.GetType() == typeof(string) && typeof(T) == typeof(Matrix))
{
Matrix matrix = ParsingUtils.ParseCATransform3D((string)prop);
return((T)((object)matrix));
}
if (typeof(T) == typeof(Color))
{
#if __IOS__
Color color = ParsingUtils.ParseUIColor((string)prop);
return((T)((object)color));
#else
uint intColor = (uint)((float)prop);
Color color = Color.FromUint(intColor);
return((T)((object)color));
#endif
}
#if __IOS__
if (prop.GetType() == typeof(string) && typeof(T) == typeof(Font))
{
Font font = ParsingUtils.ParseUIFont((string)prop);
return((T)((object)font));
}
#endif
T result = default(T);
var stringToBoolConverter = new StringToBoolConverter();
var floatToBoolConverter = new FloatToBoolConverter();
if (stringToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)stringToBoolConverter.ConvertTo(prop, typeof(bool));
}
else if (floatToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)floatToBoolConverter.ConvertTo(prop, typeof(bool));
}
return(result);
}
public T GetProperty <T>(BindableProperty formProperty)
{
#if __ANDROID__
#endif
Tuple <string[], bool> property = formProperty.GetPlatformPropertyQuery();
string[] propertyPath = property.Item1;
bool isOnParentRenderer = property.Item2;
var query = ViewQuery;
if (isOnParentRenderer &&
PlatformViewType != PlatformViews.BoxView &&
PlatformViewType != PlatformViews.Frame)
{
#if __ANDROID__
// If we're testing the fast renderers, we don't want to check the parent control for
// this property (despite `isOnParentRenderer` being true); if we're testing a legacy
// renderer, then we *do* need to check the parent control for the property
// So we query the control's parent and see if it's a Container (legacy); if so,
// we adjust the query to look at the parent of the current control
var parent = App.Query(appQuery => appQuery.Raw(ViewQuery + " parent * index:0"));
if (parent.Length > 0 && parent[0].Label.EndsWith(ContainerLabel))
{
query = query + " parent * index:0";
}
#else
query = query + " parent * index:0";
#endif
}
object prop = null;
bool found = false;
bool isEdgeCase = false;
#if __ANDROID__
isEdgeCase = (formProperty == View.ScaleProperty);
#endif
if (!isEdgeCase)
{
found =
MaybeGetProperty <string>(App, query, propertyPath, out prop) ||
MaybeGetProperty <float>(App, query, propertyPath, out prop) ||
MaybeGetProperty <bool>(App, query, propertyPath, out prop) ||
MaybeGetProperty <object>(App, query, propertyPath, out prop);
}
#if __MACOS__
if (!found)
{
if (formProperty == View.IsEnabledProperty)
{
var view = App.Query((arg) => arg.Raw(query)).FirstOrDefault();
found = view != null;
prop = view.Enabled;
}
if (formProperty == Button.TextProperty)
{
var view = App.Query((arg) => arg.Raw(query)).FirstOrDefault();
found = view != null;
prop = view.Text;
}
}
#endif
#if __ANDROID__
if (formProperty == View.ScaleProperty)
{
var matrix = new Matrix();
matrix.M00 = App.Query(q => q.Raw(query).Invoke(propertyPath[0]).Value <float> ()).First();
matrix.M11 = App.Query(q => q.Raw(query).Invoke(propertyPath[1]).Value <float> ()).First();
matrix.M22 = 0.5f;
matrix.M33 = 1.0f;
return((T)((object)matrix));
}
#endif
if (!found || prop == null)
{
throw new NullReferenceException("null property");
}
if (prop.GetType() == typeof(T))
{
return((T)prop);
}
if (prop.GetType() == typeof(string) && typeof(T) == typeof(Matrix))
{
Matrix matrix = ParsingUtils.ParseCATransform3D((string)prop);
return((T)((object)matrix));
}
if (typeof(T) == typeof(Color))
{
#if __IOS__
Color color = ParsingUtils.ParseUIColor((string)prop);
return((T)((object)color));
#else
uint intColor = (uint)((float)prop);
Color color = Color.FromUint(intColor);
return((T)((object)color));
#endif
}
#if __IOS__
if (prop.GetType() == typeof(string) && typeof(T) == typeof(Font))
{
Font font = ParsingUtils.ParseUIFont((string)prop);
return((T)((object)font));
}
#endif
T result = default(T);
var stringToBoolConverter = new StringToBoolConverter();
var floatToBoolConverter = new FloatToBoolConverter();
if (stringToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)stringToBoolConverter.ConvertTo(prop, typeof(bool));
}
else if (floatToBoolConverter.CanConvertTo(prop, typeof(bool)))
{
result = (T)floatToBoolConverter.ConvertTo(prop, typeof(bool));
}
return(result);
}
