public void SettingValueToBranch_ChangesTheUnderlyingProperty()
{
var level1 = new Level1();
var branch = new ObservablePropertyBranch(level1, new PropertyPath("Level2.Level3.Property"));
branch.Value = 3;
Assert.Equal(3, level1.Level2.Level3.Property);
}
public void SettingValueToUnderlyingProperty_ChangesTheValueInBranch()
{
var level1 = new Level1();
level1.Level2.Level3.Property = 3;
var branch = new ObservablePropertyBranch(level1, new PropertyPath("Level2.Level3.Property"));
Assert.Equal(3, branch.Value);
}
public void OnePathOnly()
{
var level1 = new Level1();
var branch = new ObservablePropertyBranch(level1, new PropertyPath("Text"));
var newValue = "Hey now";
branch.Value = newValue;
Assert.Equal(level1.Text, newValue);
}
public void GetValueOfMemberOfStruct()
{
var level1 = new Level1();
level1.DateTime = new DateTime(1, 2, 3, 4, 5, 6);
var branch = new ObservablePropertyBranch(level1, new PropertyPath("DateTime.Minute"));
var day = branch.Value;
Assert.Equal(day, branch.Value);
}
public void SettingValueProperty_RaisesChangeInBranch()
{
var level1 = new Level1();
var branch = new ObservablePropertyBranch(level1, new PropertyPath("Level2.Level3.Property"));
bool received = false;
ObservableExtensions.Subscribe(branch.Values, v => received = ((int)v == 3));
level1.Level2.Level3.Property = 3;
Assert.True(received);
}
public DataContextChangeSynchronizer(PerspexObject target, PerspexProperty targetProperty,
PropertyPath sourcePropertyPath, object source, ITypeConverterProvider typeConverterProvider)
{
Guard.ThrowIfNull(target, nameof(target));
Guard.ThrowIfNull(targetProperty, nameof(targetProperty));
Guard.ThrowIfNull(sourcePropertyPath, nameof(sourcePropertyPath));
Guard.ThrowIfNull(source, nameof(source));
Guard.ThrowIfNull(typeConverterProvider, nameof(typeConverterProvider));
this.bindingEndpoint = new TargetBindingEndpoint(target, targetProperty);
this.sourceEndpoint = new ObservablePropertyBranch(source, sourcePropertyPath);
this.targetPropertyTypeConverter = typeConverterProvider.GetTypeConverter(targetProperty.PropertyType);
}
public DataContextChangeSynchronizer(BindingSource bindingSource, BindingTarget bindingTarget, ITypeConverterProvider typeConverterProvider)
{
_bindingTarget = bindingTarget;
Guard.ThrowIfNull(bindingTarget.Object, nameof(bindingTarget.Object));
Guard.ThrowIfNull(bindingTarget.Property, nameof(bindingTarget.Property));
Guard.ThrowIfNull(bindingSource.SourcePropertyPath, nameof(bindingSource.SourcePropertyPath));
Guard.ThrowIfNull(bindingSource.Source, nameof(bindingSource.Source));
Guard.ThrowIfNull(typeConverterProvider, nameof(typeConverterProvider));
_bindingEndpoint = new TargetBindingEndpoint(bindingTarget.Object, bindingTarget.Property);
_sourceEndpoint = new ObservablePropertyBranch(bindingSource.Source, bindingSource.SourcePropertyPath);
_targetPropertyTypeConverter = typeConverterProvider.GetTypeConverter(bindingTarget.Property.PropertyType);
}
