public SingleParameter(string name, double value, double min, double max, int index = -1, ValueBinding binder = null)
{
_name = name;
Value = value;
Min = min;
Max = max;
Index = index;
_binder = binder;
}
public void WhenSourceValueChangedAndIsNoValueThenTargetValueShouldNotBeChanged()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
sourceAdapter.ValueChangedCallback(SettingsConstants.NoValue);
Assert.IsFalse(targetAdapter.SetValueCalled);
}
public void WhenTargetValueChangesItShouldBePassedToSource()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
targetAdapter.ValueChangedCallback(5);
Assert.AreEqual(5, sourceAdapter.Value);
}
/// <summary>
/// Disconnected events from the bound property.
/// </summary>
public void Disconnect()
{
if (this.parentObject == null)
{
return;
}
ValueBinding.Disconnect();
parentObject = null;
}
protected override string?GetSortExpression()
{
if (string.IsNullOrEmpty(SortExpression))
{
return(ValueBinding?.GetProperty <OriginalStringBindingProperty>()?.Code ??
throw new DotvvmControlException(this, $"The 'ValueBinding' property must be set on the '{GetType()}' control!"));
}
else
{
return(SortExpression);
}
}
public void UpdateTargetShouldNotPassNoValueFromSourceToTarget()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
sourceAdapter.Value = SettingsConstants.NoValue;
binding.UpdateTarget();
Assert.IsFalse(targetAdapter.SetValueCalled);
}
public void UpdateTargetShouldPassValueFromSourceToTarget()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
sourceAdapter.Value = 5;
binding.UpdateTarget();
Assert.AreEqual(5, sourceAdapter.Value);
}
public void Binding()
{
IDisposable binding = new ValueBinding <int>(left, right);
left.Set(1);
Assert.Equal(1, right.Get());
right.Set(2);
Assert.Equal(2, left.Get());
binding.Dispose();
left.Set(3);
Assert.Equal(2, right.Get());
}
public void Binding()
{
IDisposable binding = new ValueBinding<int>(left, right);
left.Set(1);
Assert.Equal(1, right.Get());
right.Set(2);
Assert.Equal(2, left.Get());
binding.Dispose();
left.Set(3);
Assert.Equal(2, right.Get());
}
public override void setValueBinding(string name, ValueBinding binding)
{
throw new NotSupportedException();
}
public override void setValueBinding (string name, ValueBinding binding) {
throw new NotSupportedException ();
}
/// <summary>
/// Find a binding nested in the tree of property bidnings.
/// </summary>
public IBinding FindNestedBinding(string bindingName)
{
Argument.StringNotNullOrEmpty(() => bindingName);
return(ValueBinding.FindNestedBinding(bindingName));
}
