public void BindToDataContext(object dataContext)
{
if (dataContext == null)
{
return;
}
try
{
var bindingSource = new DataContextChangeSynchronizer.BindingSource(SourcePropertyPath, dataContext);
var bindingTarget = new DataContextChangeSynchronizer.BindingTarget(Target, TargetProperty);
_changeSynchronizer = new DataContextChangeSynchronizer(bindingSource, bindingTarget, _typeConverterProvider);
if (BindingMode == BindingMode.TwoWay)
{
_changeSynchronizer.StartUpdatingTargetWhenSourceChanges();
_changeSynchronizer.StartUpdatingSourceWhenTargetChanges();
}
if (BindingMode == BindingMode.OneWay)
{
_changeSynchronizer.StartUpdatingTargetWhenSourceChanges();
}
if (BindingMode == BindingMode.OneWayToSource)
{
_changeSynchronizer.StartUpdatingSourceWhenTargetChanges();
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
public void BindToDataContext(object dataContext)
{
if (dataContext == null)
{
return;
}
try
{
var bindingSource = new DataContextChangeSynchronizer.BindingSource(SourcePropertyPath, dataContext);
var bindingTarget = new DataContextChangeSynchronizer.BindingTarget(Target, TargetProperty);
_changeSynchronizer = new DataContextChangeSynchronizer(bindingSource, bindingTarget, _typeConverterProvider);
if (BindingMode == BindingMode.TwoWay)
{
_changeSynchronizer.StartUpdatingTargetWhenSourceChanges();
_changeSynchronizer.StartUpdatingSourceWhenTargetChanges();
}
if (BindingMode == BindingMode.OneWay)
{
_changeSynchronizer.StartUpdatingTargetWhenSourceChanges();
}
if (BindingMode == BindingMode.OneWayToSource)
{
_changeSynchronizer.StartUpdatingSourceWhenTargetChanges();
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
public void SameTypesFromModelToUI()
{
var synchronizer = new DataContextChangeSynchronizer(new DataContextChangeSynchronizer.BindingSource(new PropertyPath("IntProp"), _viewModel), new DataContextChangeSynchronizer.BindingTarget(_guiObject, SamplePerspexObject.IntProperty), _repo);
synchronizer.StartUpdatingTargetWhenSourceChanges();
_viewModel.IntProp = 2;
Assert.Equal(2, _guiObject.Int);
}
public void DifferentTypesAndNonConvertibleValueFromUIToModel()
{
var synchronizer = new DataContextChangeSynchronizer(new DataContextChangeSynchronizer.BindingSource(new PropertyPath("IntProp"), _viewModel), new DataContextChangeSynchronizer.BindingTarget(_guiObject, SamplePerspexObject.StringProperty), _repo);
synchronizer.StartUpdatingSourceWhenTargetChanges();
_guiObject.String = "";
Assert.Equal(default(int), _viewModel.IntProp);
}
public void SameTypesFromUIToModel()
{
var synchronizer = new DataContextChangeSynchronizer(new DataContextChangeSynchronizer.BindingSource(new PropertyPath("IntProp"), _viewModel), new DataContextChangeSynchronizer.BindingTarget(_guiObject, SamplePerspexObject.IntProperty), _repo);
synchronizer.StartUpdatingSourceWhenTargetChanges();
const int someValue = 4;
_guiObject.Int = someValue;
Assert.Equal(someValue, _viewModel.IntProp);
}
public void Bind(object dataContext)
{
if (dataContext == null)
{
return;
}
try
{
if (this.BindingMode == BindingMode.TwoWay)
{
var changeSynchronizer = new DataContextChangeSynchronizer(
this.Target,
this.TargetProperty,
this.SourcePropertyPath,
dataContext,
this.typeConverterProvider);
changeSynchronizer.SubscribeUIToModel();
changeSynchronizer.SubscribeModelToUI();
}
if (this.BindingMode == BindingMode.OneWay)
{
var subscriptionHandler = new DataContextChangeSynchronizer(
this.Target,
this.TargetProperty,
this.SourcePropertyPath,
dataContext,
this.typeConverterProvider);
subscriptionHandler.SubscribeUIToModel();
}
if (this.BindingMode == BindingMode.OneWayToSource)
{
var subscriptionHandler = new DataContextChangeSynchronizer(this.Target, this.TargetProperty, this.SourcePropertyPath, dataContext, this.typeConverterProvider);
subscriptionHandler.SubscribeModelToUI();
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
public void GrokysTest()
{
var mainWindowViewModel = new MainWindowViewModel();
var contentControl = new ContentControl();
var synchronizer = new DataContextChangeSynchronizer(new DataContextChangeSynchronizer.BindingSource(new PropertyPath("Content"), mainWindowViewModel), new DataContextChangeSynchronizer.BindingTarget(contentControl, ContentControl.ContentProperty), _repo);
synchronizer.StartUpdatingTargetWhenSourceChanges();
var logInViewModel = new LogInViewModel();
mainWindowViewModel.Content = logInViewModel;
Assert.Equal(logInViewModel, contentControl.Content);
}
