/// <summary>
/// Sets the value of corner radius.
/// </summary>
/// <param name="bindable">The view</param>
/// <param name="value">The corner radius</param>
public static void SetCornerRadius(BindableObject bindable, Thickness value)
{
if (value != ZeroThickness)
{
bindable.SetValue(CornerRadiusProperty, value);
}
else
{
bindable.ClearValue(CornerRadiusProperty);
}
}
/// <summary>
/// Sets the value of padding.
/// </summary>
/// <param name="bindable">The layout</param>
/// <param name="value">The padding</param>
public static void SetPadding(BindableObject bindable, Thickness value)
{
if (value != ZeroThickness)
{
bindable.SetValue(PaddingProperty, value);
}
else
{
bindable.ClearValue(PaddingProperty);
}
}
/// <summary>
/// Sets the value of margin.
/// </summary>
/// <param name="bindable">The view</param>
/// <param name="value">The margin</param>
public static void SetMargin(BindableObject bindable, Thickness value)
{
if (value != ZeroThickness)
{
bindable?.SetValue(MarginProperty, value);
}
else
{
bindable?.ClearValue(MarginProperty);
}
}
private static void OnSharedMaterialChanged(BindableObject sender, object oldValue, object newValue)
{
var body = ((Renderer <T>)sender).Body;
if (body != null)
{
body.sharedMaterial = (UnityEngine.Material)newValue;
if (sender.IsSet(MaterialProperty))
{
sender.ClearValue(s_materialPropertyKey);
}
}
}
private static void OnLocalRotationChanged(BindableObject sender, object oldValue, object newValue)
{
Forms.mainThread.Send(state =>
{
var rect = (Transform <T>)state;
if (rect.Body != null)
{
rect.Body.localRotation = rect.LocalRotation;
}
}, sender);
sender.ClearValue(LocalEulerAnglesProperty);
}
internal void UnApply(BindableObject target, bool fromStyle = false)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (PropertyName == null)
{
return;
}
if (TargetReference != null)
{
target = TargetReference;
}
object actual = target.GetValue(Property);
if (!Equals(actual, Value) && !(Value is Binding) && !(Value is DynamicResource))
{
//Do not reset default value if the value has been changed
_originalValues.Remove(target);
return;
}
object defaultValue;
if (_originalValues.TryGetValue(target, out defaultValue))
{
//reset default value, unapply bindings and dynamicResource
target.SetValue(Property, defaultValue);
_originalValues.Remove(target);
}
else
{
target.ClearValue(Property);
}
}
internal override void TearDown(BindableObject bindable)
{
bindable.ClearValue(_stateProperty);
bindable.PropertyChanged -= OnAttachedObjectPropertyChanged;
}
/// <summary>
/// Assigns value to a bindable property
/// </summary>
public static void AssignSingle(BindableObject target, object value, BindableProperty property, Func <object, object> converter = null)
{
#region NPatch assignment
var p = value as NPatch;
if (p != null)
{
var oldValue = target.GetValue(property);
value = p.Apply(oldValue);
if (!ReferenceEquals(value, oldValue))
{
target.SetValue(property, value);
}
return;
}
#endregion
#region UnsetValue assignment
if (IsUnsetValue(value))
{
target.ClearValue(property);
return;
}
#endregion
#region NElement assignment
var e = value as NElement;
if (e != null)
{
target.SetValue(property, e.Create());
return;
}
#endregion
#region NElement[] assignment
var ea = value as NElement[];
if (ea != null)
{
if (ea.Length == 0)
{
target.ClearValue(property);
}
else
{
target.SetValue(property, ea[0].Create());
}
return;
}
#endregion
if (converter != null)
{
value = converter(value);
}
target.SetValue(property, value);
}
internal override void TearDown(BindableObject bindable)
{
bindable.RemoveBinding(_boundProperty);
bindable.ClearValue(_boundProperty);
}
internal override void TearDown(BindableObject bindable)
{
bindable.RemoveBinding(_boundProperty);
bindable.ClearValue(_boundProperty);
}
internal override void TearDown(BindableObject bindable)
{
bindable.ClearValue(_stateProperty);
bindable.PropertyChanged -= OnAttachedObjectPropertyChanged;
}
